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@@ -0,0 +1,3989 @@
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+<?php
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+/**
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+ * SCSSPHP
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+ *
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+ * @copyright 2012-2015 Leaf Corcoran
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+ *
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+ * @license http://opensource.org/licenses/MIT MIT
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+ *
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+ * @link http://leafo.github.io/scssphp
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+ */
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+namespace Leafo\ScssPhp;
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+
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+use Leafo\ScssPhp\Base\Range;
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+use Leafo\ScssPhp\Block;
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+use Leafo\ScssPhp\Colors;
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+use Leafo\ScssPhp\Compiler\Environment;
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+use Leafo\ScssPhp\Exception\CompilerException;
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+use Leafo\ScssPhp\Formatter\OutputBlock;
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+use Leafo\ScssPhp\Node;
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+use Leafo\ScssPhp\Type;
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+use Leafo\ScssPhp\Parser;
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+use Leafo\ScssPhp\Util;
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+/**
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+ * The scss compiler and parser.
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+ *
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+ * Converting SCSS to CSS is a three stage process. The incoming file is parsed
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+ * by `Parser` into a syntax tree, then it is compiled into another tree
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+ * representing the CSS structure by `Compiler`. The CSS tree is fed into a
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+ * formatter, like `Formatter` which then outputs CSS as a string.
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+ *
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+ * During the first compile, all values are *reduced*, which means that their
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+ * types are brought to the lowest form before being dump as strings. This
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+ * handles math equations, variable dereferences, and the like.
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+ *
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+ * The `compile` function of `Compiler` is the entry point.
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+ *
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+ * In summary:
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+ *
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+ * The `Compiler` class creates an instance of the parser, feeds it SCSS code,
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+ * then transforms the resulting tree to a CSS tree. This class also holds the
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+ * evaluation context, such as all available mixins and variables at any given
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+ * time.
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+ *
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+ * The `Parser` class is only concerned with parsing its input.
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+ *
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+ * The `Formatter` takes a CSS tree, and dumps it to a formatted string,
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+ * handling things like indentation.
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+ */
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+/**
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+ * SCSS compiler
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+ *
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+ * @author Leaf Corcoran <leafot@gmail.com>
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+ */
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+class Compiler
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+{
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+ const LINE_COMMENTS = 1;
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+ const DEBUG_INFO = 2;
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+ const WITH_RULE = 1;
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+ const WITH_MEDIA = 2;
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+ const WITH_SUPPORTS = 4;
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+ const WITH_ALL = 7;
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+ /**
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+ * @var array
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+ */
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+ protected static $operatorNames = array('+' => 'add', '-' => 'sub', '*' => 'mul', '/' => 'div', '%' => 'mod', '==' => 'eq', '!=' => 'neq', '<' => 'lt', '>' => 'gt', '<=' => 'lte', '>=' => 'gte', '<=>' => 'cmp');
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+ /**
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+ * @var array
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+ */
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+ protected static $namespaces = array('special' => '%', 'mixin' => '@', 'function' => '^');
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+ public static $true = array(Type::T_KEYWORD, 'true');
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+ public static $false = array(Type::T_KEYWORD, 'false');
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+ public static $null = array(Type::T_NULL);
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+ public static $nullString = array(Type::T_STRING, '', array());
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+ public static $defaultValue = array(Type::T_KEYWORD, '');
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+ public static $selfSelector = array(Type::T_SELF);
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+ public static $emptyList = array(Type::T_LIST, '', array());
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+ public static $emptyMap = array(Type::T_MAP, array(), array());
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+ public static $emptyString = array(Type::T_STRING, '"', array());
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+ public static $with = array(Type::T_KEYWORD, 'with');
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+ public static $without = array(Type::T_KEYWORD, 'without');
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+ protected $importPaths = array('');
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+ protected $importCache = array();
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+ protected $importedFiles = array();
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+ protected $userFunctions = array();
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+ protected $registeredVars = array();
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+ protected $registeredFeatures = array('extend-selector-pseudoclass' => false, 'at-error' => true, 'units-level-3' => false, 'global-variable-shadowing' => false);
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+ protected $encoding = null;
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+ protected $lineNumberStyle = null;
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+ protected $formatter = 'Leafo\\ScssPhp\\Formatter\\Nested';
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+ protected $rootEnv;
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+ protected $rootBlock;
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+ protected $env;
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+ protected $scope;
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+ protected $storeEnv;
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+ protected $charsetSeen;
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+ protected $sourceNames;
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+ private $indentLevel;
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+ private $commentsSeen;
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+ private $extends;
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+ private $extendsMap;
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+ private $parsedFiles;
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+ private $parser;
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+ private $sourceIndex;
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+ private $sourceLine;
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+ private $sourceColumn;
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+ private $stderr;
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+ private $shouldEvaluate;
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+ private $ignoreErrors;
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+ /**
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+ * Constructor
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+ */
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+ public function __construct()
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+ {
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+ $this->parsedFiles = array();
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+ $this->sourceNames = array();
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+ }
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+ /**
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+ * Compile scss
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+ *
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+ * @api
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+ *
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+ * @param string $code
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+ * @param string $path
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+ *
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+ * @return string
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+ */
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+ public function compile($code, $path = null)
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+ {
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+ $locale = setlocale(LC_NUMERIC, 0);
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+ setlocale(LC_NUMERIC, 'C');
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+ $this->indentLevel = -1;
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+ $this->commentsSeen = array();
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+ $this->extends = array();
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+ $this->extendsMap = array();
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+ $this->sourceIndex = null;
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+ $this->sourceLine = null;
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+ $this->sourceColumn = null;
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+ $this->env = null;
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+ $this->scope = null;
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+ $this->storeEnv = null;
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+ $this->charsetSeen = null;
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+ $this->shouldEvaluate = null;
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+ $this->stderr = fopen('php://stderr', 'w');
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+ $this->parser = $this->parserFactory($path);
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+ $tree = $this->parser->parse($code);
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+ $this->parser = null;
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+ $this->formatter = new $this->formatter();
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+ $this->rootBlock = null;
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+ $this->rootEnv = $this->pushEnv($tree);
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+ $this->injectVariables($this->registeredVars);
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+ $this->compileRoot($tree);
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+ $this->popEnv();
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+ $out = $this->formatter->format($this->scope);
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+ setlocale(LC_NUMERIC, $locale);
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+ return $out;
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+ }
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+ /**
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+ * Instantiate parser
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+ *
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+ * @param string $path
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+ *
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+ * @return \Leafo\ScssPhp\Parser
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+ */
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+ protected function parserFactory($path)
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+ {
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+ $parser = new Parser($path, count($this->sourceNames), $this->encoding);
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+ $this->sourceNames[] = $path;
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+ $this->addParsedFile($path);
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+ return $parser;
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+ }
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+ /**
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+ * Is self extend?
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+ *
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+ * @param array $target
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+ * @param array $origin
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+ *
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+ * @return boolean
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+ */
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+ protected function isSelfExtend($target, $origin)
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+ {
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+ foreach ($origin as $sel) {
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+ if (in_array($target, $sel)) {
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+ return true;
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+ }
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+ }
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+ return false;
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+ }
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+ /**
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+ * Push extends
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+ *
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+ * @param array $target
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+ * @param array $origin
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+ * @param \stdClass $block
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+ */
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+ protected function pushExtends($target, $origin, $block)
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+ {
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+ if ($this->isSelfExtend($target, $origin)) {
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+ return;
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+ }
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+ $i = count($this->extends);
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+ $this->extends[] = array($target, $origin, $block);
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+ foreach ($target as $part) {
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+ if (isset($this->extendsMap[$part])) {
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+ $this->extendsMap[$part][] = $i;
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+ } else {
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+ $this->extendsMap[$part] = array($i);
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+ }
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+ }
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+ }
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+ /**
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+ * Make output block
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+ *
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+ * @param string $type
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+ * @param array $selectors
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+ *
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+ * @return \Leafo\ScssPhp\Formatter\OutputBlock
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+ */
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+ protected function makeOutputBlock($type, $selectors = null)
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+ {
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+ $out = new OutputBlock();
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+ $out->type = $type;
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+ $out->lines = array();
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+ $out->children = array();
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+ $out->parent = $this->scope;
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+ $out->selectors = $selectors;
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+ $out->depth = $this->env->depth;
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+ return $out;
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+ }
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+ /**
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+ * Compile root
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+ *
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+ * @param \Leafo\ScssPhp\Block $rootBlock
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+ */
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+ protected function compileRoot(Block $rootBlock)
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+ {
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+ $this->rootBlock = $this->scope = $this->makeOutputBlock(Type::T_ROOT);
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+ $this->compileChildrenNoReturn($rootBlock->children, $this->scope);
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+ $this->flattenSelectors($this->scope);
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+ $this->missingSelectors();
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+ }
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+ /**
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+ * Report missing selectors
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+ */
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+ protected function missingSelectors()
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+ {
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+ foreach ($this->extends as $extend) {
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+ if (isset($extend[3])) {
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+ continue;
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+ }
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+ list($target, $origin, $block) = $extend;
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+ // ignore if !optional
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+ if ($block[2]) {
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+ continue;
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+ }
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+ $target = implode(' ', $target);
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+ $origin = $this->collapseSelectors($origin);
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+ $this->sourceLine = $block[Parser::SOURCE_LINE];
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+ $this->throwError("\"{$origin}\" failed to @extend \"{$target}\". The selector \"{$target}\" was not found.");
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+ }
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+ }
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+ /**
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+ * Flatten selectors
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+ *
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+ * @param \Leafo\ScssPhp\Formatter\OutputBlock $block
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+ * @param string $parentKey
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+ */
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+ protected function flattenSelectors(OutputBlock $block, $parentKey = null)
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+ {
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+ if ($block->selectors) {
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+ $selectors = array();
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+ foreach ($block->selectors as $s) {
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+ $selectors[] = $s;
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+ if (!is_array($s)) {
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+ continue;
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+ }
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+ // check extends
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+ if (!empty($this->extendsMap)) {
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+ $this->matchExtends($s, $selectors);
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+ // remove duplicates
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+ array_walk($selectors, function (&$value) {
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+ $value = serialize($value);
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+ });
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+ $selectors = array_unique($selectors);
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+ array_walk($selectors, function (&$value) {
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+ $value = unserialize($value);
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+ });
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+ }
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+ }
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+ $block->selectors = array();
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+ $placeholderSelector = false;
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+ foreach ($selectors as $selector) {
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+ if ($this->hasSelectorPlaceholder($selector)) {
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+ $placeholderSelector = true;
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+ continue;
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+ }
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+ $block->selectors[] = $this->compileSelector($selector);
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+ }
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+ if ($placeholderSelector && 0 === count($block->selectors) && null !== $parentKey) {
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+ unset($block->parent->children[$parentKey]);
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+ return;
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+ }
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+ }
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+ foreach ($block->children as $key => $child) {
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+ $this->flattenSelectors($child, $key);
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+ }
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+ }
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+ /**
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+ * Match extends
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+ *
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+ * @param array $selector
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+ * @param array $out
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+ * @param integer $from
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+ * @param boolean $initial
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+ */
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+ protected function matchExtends($selector, &$out, $from = 0, $initial = true)
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+ {
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+ foreach ($selector as $i => $part) {
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+ if ($i < $from) {
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+ continue;
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+ }
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+ if ($this->matchExtendsSingle($part, $origin)) {
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+ $before = array_slice($selector, 0, $i);
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+ $after = array_slice($selector, $i + 1);
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+ $s = count($before);
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+ foreach ($origin as $new) {
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+ $k = 0;
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+ // remove shared parts
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+ if ($initial) {
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+ while ($k < $s && isset($new[$k]) && $before[$k] === $new[$k]) {
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+ $k++;
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+ }
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+ }
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+ $result = array_merge($before, $k > 0 ? array_slice($new, $k) : $new, $after);
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+ if ($result === $selector) {
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+ continue;
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+ }
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+ $out[] = $result;
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+ // recursively check for more matches
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+ $this->matchExtends($result, $out, $i, false);
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+ // selector sequence merging
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+ if (!empty($before) && count($new) > 1) {
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+ $result2 = array_merge(array_slice($new, 0, -1), $k > 0 ? array_slice($before, $k) : $before, array_slice($new, -1), $after);
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+ $out[] = $result2;
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+ }
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+ }
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+ }
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+ }
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+ }
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+ /**
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+ * Match extends single
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+ *
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+ * @param array $rawSingle
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+ * @param array $outOrigin
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+ *
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+ * @return boolean
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+ */
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+ protected function matchExtendsSingle($rawSingle, &$outOrigin)
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+ {
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+ $counts = array();
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+ $single = array();
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+ foreach ($rawSingle as $part) {
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+ // matches Number
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+ if (!is_string($part)) {
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+ return false;
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+ }
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+ if (!preg_match('/^[\\[.:#%]/', $part) && count($single)) {
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+ $single[count($single) - 1] .= $part;
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+ } else {
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+ $single[] = $part;
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+ }
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+ }
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+ foreach ($single as $part) {
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+ if (isset($this->extendsMap[$part])) {
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+ foreach ($this->extendsMap[$part] as $idx) {
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+ $counts[$idx] = isset($counts[$idx]) ? $counts[$idx] + 1 : 1;
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+ }
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+ }
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+ }
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+ $outOrigin = array();
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+ $found = false;
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+ foreach ($counts as $idx => $count) {
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+ list($target, $origin, ) = $this->extends[$idx];
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+ // check count
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+ if ($count !== count($target)) {
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+ continue;
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+ }
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+ $this->extends[$idx][3] = true;
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+ $rem = array_diff($single, $target);
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+ foreach ($origin as $j => $new) {
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+ // prevent infinite loop when target extends itself
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+ if ($this->isSelfExtend($single, $origin)) {
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+ return false;
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+ }
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+ $combined = $this->combineSelectorSingle(end($new), $rem);
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+ if (count(array_diff($combined, $origin[$j][count($origin[$j]) - 1]))) {
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+ $origin[$j][count($origin[$j]) - 1] = $combined;
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+ }
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+ }
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+ $outOrigin = array_merge($outOrigin, $origin);
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+ $found = true;
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+ }
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+ return $found;
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+ }
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+ /**
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+ * Combine selector single
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+ *
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+ * @param array $base
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+ * @param array $other
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+ *
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+ * @return array
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+ */
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+ protected function combineSelectorSingle($base, $other)
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+ {
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+ $tag = array();
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+ $out = array();
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+ $wasTag = true;
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+ foreach (array($base, $other) as $single) {
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+ foreach ($single as $part) {
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+ if (preg_match('/^[\\[.:#]/', $part)) {
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|
+ $out[] = $part;
|
|
|
+ $wasTag = false;
|
|
|
+ } elseif (preg_match('/^[^_-]/', $part)) {
|
|
|
+ $tag[] = $part;
|
|
|
+ $wasTag = true;
|
|
|
+ } elseif ($wasTag) {
|
|
|
+ $tag[count($tag) - 1] .= $part;
|
|
|
+ } else {
|
|
|
+ $out[count($out) - 1] .= $part;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (count($tag)) {
|
|
|
+ array_unshift($out, $tag[0]);
|
|
|
+ }
|
|
|
+ return $out;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile media
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Block $media
|
|
|
+ */
|
|
|
+ protected function compileMedia(Block $media)
|
|
|
+ {
|
|
|
+ $this->pushEnv($media);
|
|
|
+ $mediaQuery = $this->compileMediaQuery($this->multiplyMedia($this->env));
|
|
|
+ if (!empty($mediaQuery)) {
|
|
|
+ $this->scope = $this->makeOutputBlock(Type::T_MEDIA, array($mediaQuery));
|
|
|
+ $parentScope = $this->mediaParent($this->scope);
|
|
|
+ $parentScope->children[] = $this->scope;
|
|
|
+ // top level properties in a media cause it to be wrapped
|
|
|
+ $needsWrap = false;
|
|
|
+ foreach ($media->children as $child) {
|
|
|
+ $type = $child[0];
|
|
|
+ if ($type !== Type::T_BLOCK && $type !== Type::T_MEDIA && $type !== Type::T_DIRECTIVE && $type !== Type::T_IMPORT) {
|
|
|
+ $needsWrap = true;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if ($needsWrap) {
|
|
|
+ $wrapped = new Block();
|
|
|
+ $wrapped->sourceIndex = $media->sourceIndex;
|
|
|
+ $wrapped->sourceLine = $media->sourceLine;
|
|
|
+ $wrapped->sourceColumn = $media->sourceColumn;
|
|
|
+ $wrapped->selectors = array();
|
|
|
+ $wrapped->comments = array();
|
|
|
+ $wrapped->parent = $media;
|
|
|
+ $wrapped->children = $media->children;
|
|
|
+ $media->children = array(array(Type::T_BLOCK, $wrapped));
|
|
|
+ }
|
|
|
+ $this->compileChildrenNoReturn($media->children, $this->scope);
|
|
|
+ $this->scope = $this->scope->parent;
|
|
|
+ }
|
|
|
+ $this->popEnv();
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Media parent
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Formatter\OutputBlock $scope
|
|
|
+ *
|
|
|
+ * @return \Leafo\ScssPhp\Formatter\OutputBlock
|
|
|
+ */
|
|
|
+ protected function mediaParent(OutputBlock $scope)
|
|
|
+ {
|
|
|
+ while (!empty($scope->parent)) {
|
|
|
+ if (!empty($scope->type) && $scope->type !== Type::T_MEDIA) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $scope = $scope->parent;
|
|
|
+ }
|
|
|
+ return $scope;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile directive
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Block $block
|
|
|
+ */
|
|
|
+ protected function compileDirective(Block $block)
|
|
|
+ {
|
|
|
+ $s = '@' . $block->name;
|
|
|
+ if (!empty($block->value)) {
|
|
|
+ $s .= ' ' . $this->compileValue($block->value);
|
|
|
+ }
|
|
|
+ if ($block->name === 'keyframes' || substr($block->name, -10) === '-keyframes') {
|
|
|
+ $this->compileKeyframeBlock($block, array($s));
|
|
|
+ } else {
|
|
|
+ $this->compileNestedBlock($block, array($s));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile at-root
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Block $block
|
|
|
+ */
|
|
|
+ protected function compileAtRoot(Block $block)
|
|
|
+ {
|
|
|
+ $env = $this->pushEnv($block);
|
|
|
+ $envs = $this->compactEnv($env);
|
|
|
+ $without = isset($block->with) ? $this->compileWith($block->with) : self::WITH_RULE;
|
|
|
+ // wrap inline selector
|
|
|
+ if ($block->selector) {
|
|
|
+ $wrapped = new Block();
|
|
|
+ $wrapped->sourceIndex = $block->sourceIndex;
|
|
|
+ $wrapped->sourceLine = $block->sourceLine;
|
|
|
+ $wrapped->sourceColumn = $block->sourceColumn;
|
|
|
+ $wrapped->selectors = $block->selector;
|
|
|
+ $wrapped->comments = array();
|
|
|
+ $wrapped->parent = $block;
|
|
|
+ $wrapped->children = $block->children;
|
|
|
+ $block->children = array(array(Type::T_BLOCK, $wrapped));
|
|
|
+ }
|
|
|
+ $this->env = $this->filterWithout($envs, $without);
|
|
|
+ $newBlock = $this->spliceTree($envs, $block, $without);
|
|
|
+ $saveScope = $this->scope;
|
|
|
+ $this->scope = $this->rootBlock;
|
|
|
+ $this->compileChild($newBlock, $this->scope);
|
|
|
+ $this->scope = $saveScope;
|
|
|
+ $this->env = $this->extractEnv($envs);
|
|
|
+ $this->popEnv();
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Splice parse tree
|
|
|
+ *
|
|
|
+ * @param array $envs
|
|
|
+ * @param \Leafo\ScssPhp\Block $block
|
|
|
+ * @param integer $without
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ private function spliceTree($envs, Block $block, $without)
|
|
|
+ {
|
|
|
+ $newBlock = null;
|
|
|
+ foreach ($envs as $e) {
|
|
|
+ if (!isset($e->block)) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ if ($e->block === $block) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ if (isset($e->block->type) && $e->block->type === Type::T_AT_ROOT) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ if ($e->block && $this->isWithout($without, $e->block)) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ $b = new Block();
|
|
|
+ $b->sourceIndex = $e->block->sourceIndex;
|
|
|
+ $b->sourceLine = $e->block->sourceLine;
|
|
|
+ $b->sourceColumn = $e->block->sourceColumn;
|
|
|
+ $b->selectors = array();
|
|
|
+ $b->comments = $e->block->comments;
|
|
|
+ $b->parent = null;
|
|
|
+ if ($newBlock) {
|
|
|
+ $type = isset($newBlock->type) ? $newBlock->type : Type::T_BLOCK;
|
|
|
+ $b->children = array(array($type, $newBlock));
|
|
|
+ $newBlock->parent = $b;
|
|
|
+ } elseif (count($block->children)) {
|
|
|
+ foreach ($block->children as $child) {
|
|
|
+ if ($child[0] === Type::T_BLOCK) {
|
|
|
+ $child[1]->parent = $b;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $b->children = $block->children;
|
|
|
+ }
|
|
|
+ if (isset($e->block->type)) {
|
|
|
+ $b->type = $e->block->type;
|
|
|
+ }
|
|
|
+ if (isset($e->block->name)) {
|
|
|
+ $b->name = $e->block->name;
|
|
|
+ }
|
|
|
+ if (isset($e->block->queryList)) {
|
|
|
+ $b->queryList = $e->block->queryList;
|
|
|
+ }
|
|
|
+ if (isset($e->block->value)) {
|
|
|
+ $b->value = $e->block->value;
|
|
|
+ }
|
|
|
+ $newBlock = $b;
|
|
|
+ }
|
|
|
+ $type = isset($newBlock->type) ? $newBlock->type : Type::T_BLOCK;
|
|
|
+ return array($type, $newBlock);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile @at-root's with: inclusion / without: exclusion into filter flags
|
|
|
+ *
|
|
|
+ * @param array $with
|
|
|
+ *
|
|
|
+ * @return integer
|
|
|
+ */
|
|
|
+ private function compileWith($with)
|
|
|
+ {
|
|
|
+ static $mapping = array('rule' => self::WITH_RULE, 'media' => self::WITH_MEDIA, 'supports' => self::WITH_SUPPORTS, 'all' => self::WITH_ALL);
|
|
|
+ // exclude selectors by default
|
|
|
+ $without = self::WITH_RULE;
|
|
|
+ if ($this->libMapHasKey(array($with, self::$with))) {
|
|
|
+ $without = self::WITH_ALL;
|
|
|
+ $list = $this->coerceList($this->libMapGet(array($with, self::$with)));
|
|
|
+ foreach ($list[2] as $item) {
|
|
|
+ $keyword = $this->compileStringContent($this->coerceString($item));
|
|
|
+ if (array_key_exists($keyword, $mapping)) {
|
|
|
+ $without &= ~$mapping[$keyword];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if ($this->libMapHasKey(array($with, self::$without))) {
|
|
|
+ $without = 0;
|
|
|
+ $list = $this->coerceList($this->libMapGet(array($with, self::$without)));
|
|
|
+ foreach ($list[2] as $item) {
|
|
|
+ $keyword = $this->compileStringContent($this->coerceString($item));
|
|
|
+ if (array_key_exists($keyword, $mapping)) {
|
|
|
+ $without |= $mapping[$keyword];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $without;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Filter env stack
|
|
|
+ *
|
|
|
+ * @param array $envs
|
|
|
+ * @param integer $without
|
|
|
+ *
|
|
|
+ * @return \Leafo\ScssPhp\Compiler\Environment
|
|
|
+ */
|
|
|
+ private function filterWithout($envs, $without)
|
|
|
+ {
|
|
|
+ $filtered = array();
|
|
|
+ foreach ($envs as $e) {
|
|
|
+ if ($e->block && $this->isWithout($without, $e->block)) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ $filtered[] = $e;
|
|
|
+ }
|
|
|
+ return $this->extractEnv($filtered);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Filter WITH rules
|
|
|
+ *
|
|
|
+ * @param integer $without
|
|
|
+ * @param \Leafo\ScssPhp\Block $block
|
|
|
+ *
|
|
|
+ * @return boolean
|
|
|
+ */
|
|
|
+ private function isWithout($without, Block $block)
|
|
|
+ {
|
|
|
+ if ($without & self::WITH_RULE && isset($block->selectors) || $without & self::WITH_MEDIA && isset($block->type) && $block->type === Type::T_MEDIA || $without & self::WITH_SUPPORTS && isset($block->type) && $block->type === Type::T_DIRECTIVE && isset($block->name) && $block->name === 'supports') {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile keyframe block
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Block $block
|
|
|
+ * @param array $selectors
|
|
|
+ */
|
|
|
+ protected function compileKeyframeBlock(Block $block, $selectors)
|
|
|
+ {
|
|
|
+ $env = $this->pushEnv($block);
|
|
|
+ $envs = $this->compactEnv($env);
|
|
|
+ $this->env = $this->extractEnv(array_filter($envs, function (Environment $e) {
|
|
|
+ return !isset($e->block->selectors);
|
|
|
+ }));
|
|
|
+ $this->scope = $this->makeOutputBlock($block->type, $selectors);
|
|
|
+ $this->scope->depth = 1;
|
|
|
+ $this->scope->parent->children[] = $this->scope;
|
|
|
+ $this->compileChildrenNoReturn($block->children, $this->scope);
|
|
|
+ $this->scope = $this->scope->parent;
|
|
|
+ $this->env = $this->extractEnv($envs);
|
|
|
+ $this->popEnv();
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile nested block
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Block $block
|
|
|
+ * @param array $selectors
|
|
|
+ */
|
|
|
+ protected function compileNestedBlock(Block $block, $selectors)
|
|
|
+ {
|
|
|
+ $this->pushEnv($block);
|
|
|
+ $this->scope = $this->makeOutputBlock($block->type, $selectors);
|
|
|
+ $this->scope->parent->children[] = $this->scope;
|
|
|
+ $this->compileChildrenNoReturn($block->children, $this->scope);
|
|
|
+ $this->scope = $this->scope->parent;
|
|
|
+ $this->popEnv();
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Recursively compiles a block.
|
|
|
+ *
|
|
|
+ * A block is analogous to a CSS block in most cases. A single SCSS document
|
|
|
+ * is encapsulated in a block when parsed, but it does not have parent tags
|
|
|
+ * so all of its children appear on the root level when compiled.
|
|
|
+ *
|
|
|
+ * Blocks are made up of selectors and children.
|
|
|
+ *
|
|
|
+ * The children of a block are just all the blocks that are defined within.
|
|
|
+ *
|
|
|
+ * Compiling the block involves pushing a fresh environment on the stack,
|
|
|
+ * and iterating through the props, compiling each one.
|
|
|
+ *
|
|
|
+ * @see Compiler::compileChild()
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Block $block
|
|
|
+ */
|
|
|
+ protected function compileBlock(Block $block)
|
|
|
+ {
|
|
|
+ $env = $this->pushEnv($block);
|
|
|
+ $env->selectors = $this->evalSelectors($block->selectors);
|
|
|
+ $out = $this->makeOutputBlock(null);
|
|
|
+ if (isset($this->lineNumberStyle) && count($env->selectors) && count($block->children)) {
|
|
|
+ $annotation = $this->makeOutputBlock(Type::T_COMMENT);
|
|
|
+ $annotation->depth = 0;
|
|
|
+ $file = $this->sourceNames[$block->sourceIndex];
|
|
|
+ $line = $block->sourceLine;
|
|
|
+ switch ($this->lineNumberStyle) {
|
|
|
+ case self::LINE_COMMENTS:
|
|
|
+ $annotation->lines[] = '/* line ' . $line . ', ' . $file . ' */';
|
|
|
+ break;
|
|
|
+ case self::DEBUG_INFO:
|
|
|
+ $annotation->lines[] = '@media -sass-debug-info{filename{font-family:"' . $file . '"}line{font-family:' . $line . '}}';
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $this->scope->children[] = $annotation;
|
|
|
+ }
|
|
|
+ $this->scope->children[] = $out;
|
|
|
+ if (count($block->children)) {
|
|
|
+ $out->selectors = $this->multiplySelectors($env);
|
|
|
+ $this->compileChildrenNoReturn($block->children, $out);
|
|
|
+ }
|
|
|
+ $this->formatter->stripSemicolon($out->lines);
|
|
|
+ $this->popEnv();
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile root level comment
|
|
|
+ *
|
|
|
+ * @param array $block
|
|
|
+ */
|
|
|
+ protected function compileComment($block)
|
|
|
+ {
|
|
|
+ $out = $this->makeOutputBlock(Type::T_COMMENT);
|
|
|
+ $out->lines[] = $block[1];
|
|
|
+ $this->scope->children[] = $out;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Evaluate selectors
|
|
|
+ *
|
|
|
+ * @param array $selectors
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function evalSelectors($selectors)
|
|
|
+ {
|
|
|
+ $this->shouldEvaluate = false;
|
|
|
+ $selectors = array_map(array($this, 'evalSelector'), $selectors);
|
|
|
+ // after evaluating interpolates, we might need a second pass
|
|
|
+ if ($this->shouldEvaluate) {
|
|
|
+ $buffer = $this->collapseSelectors($selectors);
|
|
|
+ $parser = $this->parserFactory(__METHOD__);
|
|
|
+ if ($parser->parseSelector($buffer, $newSelectors)) {
|
|
|
+ $selectors = array_map(array($this, 'evalSelector'), $newSelectors);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $selectors;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Evaluate selector
|
|
|
+ *
|
|
|
+ * @param array $selector
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function evalSelector($selector)
|
|
|
+ {
|
|
|
+ return array_map(array($this, 'evalSelectorPart'), $selector);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Evaluate selector part; replaces all the interpolates, stripping quotes
|
|
|
+ *
|
|
|
+ * @param array $part
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function evalSelectorPart($part)
|
|
|
+ {
|
|
|
+ foreach ($part as &$p) {
|
|
|
+ if (is_array($p) && ($p[0] === Type::T_INTERPOLATE || $p[0] === Type::T_STRING)) {
|
|
|
+ $p = $this->compileValue($p);
|
|
|
+ // force re-evaluation
|
|
|
+ if (strpos($p, '&') !== false || strpos($p, ',') !== false) {
|
|
|
+ $this->shouldEvaluate = true;
|
|
|
+ }
|
|
|
+ } elseif (is_string($p) && strlen($p) >= 2 && ($first = $p[0]) && ($first === '"' || $first === '\'') && substr($p, -1) === $first) {
|
|
|
+ $p = substr($p, 1, -1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $this->flattenSelectorSingle($part);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Collapse selectors
|
|
|
+ *
|
|
|
+ * @param array $selectors
|
|
|
+ *
|
|
|
+ * @return string
|
|
|
+ */
|
|
|
+ protected function collapseSelectors($selectors)
|
|
|
+ {
|
|
|
+ $parts = array();
|
|
|
+ foreach ($selectors as $selector) {
|
|
|
+ $output = '';
|
|
|
+ array_walk_recursive($selector, function ($value, $key) use(&$output) {
|
|
|
+ $output .= $value;
|
|
|
+ });
|
|
|
+ $parts[] = $output;
|
|
|
+ }
|
|
|
+ return implode(', ', $parts);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Flatten selector single; joins together .classes and #ids
|
|
|
+ *
|
|
|
+ * @param array $single
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function flattenSelectorSingle($single)
|
|
|
+ {
|
|
|
+ $joined = array();
|
|
|
+ foreach ($single as $part) {
|
|
|
+ if (empty($joined) || !is_string($part) || preg_match('/[\\[.:#%]/', $part)) {
|
|
|
+ $joined[] = $part;
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ if (is_array(end($joined))) {
|
|
|
+ $joined[] = $part;
|
|
|
+ } else {
|
|
|
+ $joined[count($joined) - 1] .= $part;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $joined;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile selector to string; self(&) should have been replaced by now
|
|
|
+ *
|
|
|
+ * @param array $selector
|
|
|
+ *
|
|
|
+ * @return string
|
|
|
+ */
|
|
|
+ protected function compileSelector($selector)
|
|
|
+ {
|
|
|
+ if (!is_array($selector)) {
|
|
|
+ return $selector;
|
|
|
+ }
|
|
|
+ return implode(' ', array_map(array($this, 'compileSelectorPart'), $selector));
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile selector part
|
|
|
+ *
|
|
|
+ * @param arary $piece
|
|
|
+ *
|
|
|
+ * @return string
|
|
|
+ */
|
|
|
+ protected function compileSelectorPart($piece)
|
|
|
+ {
|
|
|
+ foreach ($piece as &$p) {
|
|
|
+ if (!is_array($p)) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ switch ($p[0]) {
|
|
|
+ case Type::T_SELF:
|
|
|
+ $p = '&';
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ $p = $this->compileValue($p);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return implode($piece);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Has selector placeholder?
|
|
|
+ *
|
|
|
+ * @param array $selector
|
|
|
+ *
|
|
|
+ * @return boolean
|
|
|
+ */
|
|
|
+ protected function hasSelectorPlaceholder($selector)
|
|
|
+ {
|
|
|
+ if (!is_array($selector)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ foreach ($selector as $parts) {
|
|
|
+ foreach ($parts as $part) {
|
|
|
+ if (strlen($part) && '%' === $part[0]) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile children and return result
|
|
|
+ *
|
|
|
+ * @param array $stms
|
|
|
+ * @param \Leafo\ScssPhp\Formatter\OutputBlock $out
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function compileChildren($stms, OutputBlock $out)
|
|
|
+ {
|
|
|
+ foreach ($stms as $stm) {
|
|
|
+ $ret = $this->compileChild($stm, $out);
|
|
|
+ if (isset($ret)) {
|
|
|
+ return $ret;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile children and throw exception if unexpected @return
|
|
|
+ *
|
|
|
+ * @param array $stms
|
|
|
+ * @param \Leafo\ScssPhp\Formatter\OutputBlock $out
|
|
|
+ *
|
|
|
+ * @throws \Exception
|
|
|
+ */
|
|
|
+ protected function compileChildrenNoReturn($stms, OutputBlock $out)
|
|
|
+ {
|
|
|
+ foreach ($stms as $stm) {
|
|
|
+ $ret = $this->compileChild($stm, $out);
|
|
|
+ if (isset($ret)) {
|
|
|
+ $this->throwError('@return may only be used within a function');
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile media query
|
|
|
+ *
|
|
|
+ * @param array $queryList
|
|
|
+ *
|
|
|
+ * @return string
|
|
|
+ */
|
|
|
+ protected function compileMediaQuery($queryList)
|
|
|
+ {
|
|
|
+ $out = '@media';
|
|
|
+ $first = true;
|
|
|
+ foreach ($queryList as $query) {
|
|
|
+ $type = null;
|
|
|
+ $parts = array();
|
|
|
+ foreach ($query as $q) {
|
|
|
+ switch ($q[0]) {
|
|
|
+ case Type::T_MEDIA_TYPE:
|
|
|
+ if ($type) {
|
|
|
+ $type = $this->mergeMediaTypes($type, array_map(array($this, 'compileValue'), array_slice($q, 1)));
|
|
|
+ if (empty($type)) {
|
|
|
+ // merge failed
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ $type = array_map(array($this, 'compileValue'), array_slice($q, 1));
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Type::T_MEDIA_EXPRESSION:
|
|
|
+ if (isset($q[2])) {
|
|
|
+ $parts[] = '(' . $this->compileValue($q[1]) . $this->formatter->assignSeparator . $this->compileValue($q[2]) . ')';
|
|
|
+ } else {
|
|
|
+ $parts[] = '(' . $this->compileValue($q[1]) . ')';
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Type::T_MEDIA_VALUE:
|
|
|
+ $parts[] = $this->compileValue($q[1]);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if ($type) {
|
|
|
+ array_unshift($parts, implode(' ', array_filter($type)));
|
|
|
+ }
|
|
|
+ if (!empty($parts)) {
|
|
|
+ if ($first) {
|
|
|
+ $first = false;
|
|
|
+ $out .= ' ';
|
|
|
+ } else {
|
|
|
+ $out .= $this->formatter->tagSeparator;
|
|
|
+ }
|
|
|
+ $out .= implode(' and ', $parts);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $out;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Merge media types
|
|
|
+ *
|
|
|
+ * @param array $type1
|
|
|
+ * @param array $type2
|
|
|
+ *
|
|
|
+ * @return array|null
|
|
|
+ */
|
|
|
+ protected function mergeMediaTypes($type1, $type2)
|
|
|
+ {
|
|
|
+ if (empty($type1)) {
|
|
|
+ return $type2;
|
|
|
+ }
|
|
|
+ if (empty($type2)) {
|
|
|
+ return $type1;
|
|
|
+ }
|
|
|
+ $m1 = '';
|
|
|
+ $t1 = '';
|
|
|
+ if (count($type1) > 1) {
|
|
|
+ $m1 = strtolower($type1[0]);
|
|
|
+ $t1 = strtolower($type1[1]);
|
|
|
+ } else {
|
|
|
+ $t1 = strtolower($type1[0]);
|
|
|
+ }
|
|
|
+ $m2 = '';
|
|
|
+ $t2 = '';
|
|
|
+ if (count($type2) > 1) {
|
|
|
+ $m2 = strtolower($type2[0]);
|
|
|
+ $t2 = strtolower($type2[1]);
|
|
|
+ } else {
|
|
|
+ $t2 = strtolower($type2[0]);
|
|
|
+ }
|
|
|
+ if ($m1 === Type::T_NOT ^ $m2 === Type::T_NOT) {
|
|
|
+ if ($t1 === $t2) {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ return array($m1 === Type::T_NOT ? $m2 : $m1, $m1 === Type::T_NOT ? $t2 : $t1);
|
|
|
+ }
|
|
|
+ if ($m1 === Type::T_NOT && $m2 === Type::T_NOT) {
|
|
|
+ // CSS has no way of representing "neither screen nor print"
|
|
|
+ if ($t1 !== $t2) {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ return array(Type::T_NOT, $t1);
|
|
|
+ }
|
|
|
+ if ($t1 !== $t2) {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ // t1 == t2, neither m1 nor m2 are "not"
|
|
|
+ return array(empty($m1) ? $m2 : $m1, $t1);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile import; returns true if the value was something that could be imported
|
|
|
+ *
|
|
|
+ * @param array $rawPath
|
|
|
+ * @param array $out
|
|
|
+ * @param boolean $once
|
|
|
+ *
|
|
|
+ * @return boolean
|
|
|
+ */
|
|
|
+ protected function compileImport($rawPath, $out, $once = false)
|
|
|
+ {
|
|
|
+ if ($rawPath[0] === Type::T_STRING) {
|
|
|
+ $path = $this->compileStringContent($rawPath);
|
|
|
+ if ($path = $this->findImport($path)) {
|
|
|
+ if (!$once || !in_array($path, $this->importedFiles)) {
|
|
|
+ $this->importFile($path, $out);
|
|
|
+ $this->importedFiles[] = $path;
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ if ($rawPath[0] === Type::T_LIST) {
|
|
|
+ // handle a list of strings
|
|
|
+ if (count($rawPath[2]) === 0) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ foreach ($rawPath[2] as $path) {
|
|
|
+ if ($path[0] !== Type::T_STRING) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ foreach ($rawPath[2] as $path) {
|
|
|
+ $this->compileImport($path, $out);
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile child; returns a value to halt execution
|
|
|
+ *
|
|
|
+ * @param array $child
|
|
|
+ * @param \Leafo\ScssPhp\Formatter\OutputBlock $out
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function compileChild($child, OutputBlock $out)
|
|
|
+ {
|
|
|
+ $this->sourceIndex = isset($child[Parser::SOURCE_INDEX]) ? $child[Parser::SOURCE_INDEX] : null;
|
|
|
+ $this->sourceLine = isset($child[Parser::SOURCE_LINE]) ? $child[Parser::SOURCE_LINE] : -1;
|
|
|
+ $this->sourceColumn = isset($child[Parser::SOURCE_COLUMN]) ? $child[Parser::SOURCE_COLUMN] : -1;
|
|
|
+ switch ($child[0]) {
|
|
|
+ case Type::T_SCSSPHP_IMPORT_ONCE:
|
|
|
+ list(, $rawPath) = $child;
|
|
|
+ $rawPath = $this->reduce($rawPath);
|
|
|
+ if (!$this->compileImport($rawPath, $out, true)) {
|
|
|
+ $out->lines[] = '@import ' . $this->compileValue($rawPath) . ';';
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Type::T_IMPORT:
|
|
|
+ list(, $rawPath) = $child;
|
|
|
+ $rawPath = $this->reduce($rawPath);
|
|
|
+ if (!$this->compileImport($rawPath, $out)) {
|
|
|
+ $out->lines[] = '@import ' . $this->compileValue($rawPath) . ';';
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Type::T_DIRECTIVE:
|
|
|
+ $this->compileDirective($child[1]);
|
|
|
+ break;
|
|
|
+ case Type::T_AT_ROOT:
|
|
|
+ $this->compileAtRoot($child[1]);
|
|
|
+ break;
|
|
|
+ case Type::T_MEDIA:
|
|
|
+ $this->compileMedia($child[1]);
|
|
|
+ break;
|
|
|
+ case Type::T_BLOCK:
|
|
|
+ $this->compileBlock($child[1]);
|
|
|
+ break;
|
|
|
+ case Type::T_CHARSET:
|
|
|
+ if (!$this->charsetSeen) {
|
|
|
+ $this->charsetSeen = true;
|
|
|
+ $out->lines[] = '@charset ' . $this->compileValue($child[1]) . ';';
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Type::T_ASSIGN:
|
|
|
+ list(, $name, $value) = $child;
|
|
|
+ if ($name[0] === Type::T_VARIABLE) {
|
|
|
+ $flags = isset($child[3]) ? $child[3] : array();
|
|
|
+ $isDefault = in_array('!default', $flags);
|
|
|
+ $isGlobal = in_array('!global', $flags);
|
|
|
+ if ($isGlobal) {
|
|
|
+ $this->set($name[1], $this->reduce($value), false, $this->rootEnv);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $shouldSet = $isDefault && (($result = $this->get($name[1], false)) === null || $result === self::$null);
|
|
|
+ if (!$isDefault || $shouldSet) {
|
|
|
+ $this->set($name[1], $this->reduce($value));
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $compiledName = $this->compileValue($name);
|
|
|
+ // handle shorthand syntax: size / line-height
|
|
|
+ if ($compiledName === 'font') {
|
|
|
+ if ($value[0] === Type::T_EXPRESSION && $value[1] === '/') {
|
|
|
+ $value = $this->expToString($value);
|
|
|
+ } elseif ($value[0] === Type::T_LIST) {
|
|
|
+ foreach ($value[2] as &$item) {
|
|
|
+ if ($item[0] === Type::T_EXPRESSION && $item[1] === '/') {
|
|
|
+ $item = $this->expToString($item);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // if the value reduces to null from something else then
|
|
|
+ // the property should be discarded
|
|
|
+ if ($value[0] !== Type::T_NULL) {
|
|
|
+ $value = $this->reduce($value);
|
|
|
+ if ($value[0] === Type::T_NULL || $value === self::$nullString) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $compiledValue = $this->compileValue($value);
|
|
|
+ $out->lines[] = $this->formatter->property($compiledName, $compiledValue);
|
|
|
+ break;
|
|
|
+ case Type::T_COMMENT:
|
|
|
+ if ($out->type === Type::T_ROOT) {
|
|
|
+ $this->compileComment($child);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $out->lines[] = $child[1];
|
|
|
+ break;
|
|
|
+ case Type::T_MIXIN:
|
|
|
+ case Type::T_FUNCTION:
|
|
|
+ list(, $block) = $child;
|
|
|
+ $this->set(self::$namespaces[$block->type] . $block->name, $block);
|
|
|
+ break;
|
|
|
+ case Type::T_EXTEND:
|
|
|
+ list(, $selectors) = $child;
|
|
|
+ foreach ($selectors as $sel) {
|
|
|
+ $results = $this->evalSelectors(array($sel));
|
|
|
+ foreach ($results as $result) {
|
|
|
+ // only use the first one
|
|
|
+ $result = current($result);
|
|
|
+ $this->pushExtends($result, $out->selectors, $child);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Type::T_IF:
|
|
|
+ list(, $if) = $child;
|
|
|
+ if ($this->isTruthy($this->reduce($if->cond, true))) {
|
|
|
+ return $this->compileChildren($if->children, $out);
|
|
|
+ }
|
|
|
+ foreach ($if->cases as $case) {
|
|
|
+ if ($case->type === Type::T_ELSE || $case->type === Type::T_ELSEIF && $this->isTruthy($this->reduce($case->cond))) {
|
|
|
+ return $this->compileChildren($case->children, $out);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Type::T_EACH:
|
|
|
+ list(, $each) = $child;
|
|
|
+ $list = $this->coerceList($this->reduce($each->list));
|
|
|
+ $this->pushEnv();
|
|
|
+ foreach ($list[2] as $item) {
|
|
|
+ if (count($each->vars) === 1) {
|
|
|
+ $this->set($each->vars[0], $item, true);
|
|
|
+ } else {
|
|
|
+ list(, , $values) = $this->coerceList($item);
|
|
|
+ foreach ($each->vars as $i => $var) {
|
|
|
+ $this->set($var, isset($values[$i]) ? $values[$i] : self::$null, true);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $ret = $this->compileChildren($each->children, $out);
|
|
|
+ if ($ret) {
|
|
|
+ if ($ret[0] !== Type::T_CONTROL) {
|
|
|
+ $this->popEnv();
|
|
|
+ return $ret;
|
|
|
+ }
|
|
|
+ if ($ret[1]) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $this->popEnv();
|
|
|
+ break;
|
|
|
+ case Type::T_WHILE:
|
|
|
+ list(, $while) = $child;
|
|
|
+ while ($this->isTruthy($this->reduce($while->cond, true))) {
|
|
|
+ $ret = $this->compileChildren($while->children, $out);
|
|
|
+ if ($ret) {
|
|
|
+ if ($ret[0] !== Type::T_CONTROL) {
|
|
|
+ return $ret;
|
|
|
+ }
|
|
|
+ if ($ret[1]) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Type::T_FOR:
|
|
|
+ list(, $for) = $child;
|
|
|
+ $start = $this->reduce($for->start, true);
|
|
|
+ $start = $start[1];
|
|
|
+ $end = $this->reduce($for->end, true);
|
|
|
+ $end = $end[1];
|
|
|
+ $d = $start < $end ? 1 : -1;
|
|
|
+ while (true) {
|
|
|
+ if (!$for->until && $start - $d == $end || $for->until && $start == $end) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $this->set($for->var, new Node\Number($start, ''));
|
|
|
+ $start += $d;
|
|
|
+ $ret = $this->compileChildren($for->children, $out);
|
|
|
+ if ($ret) {
|
|
|
+ if ($ret[0] !== Type::T_CONTROL) {
|
|
|
+ return $ret;
|
|
|
+ }
|
|
|
+ if ($ret[1]) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Type::T_BREAK:
|
|
|
+ return array(Type::T_CONTROL, true);
|
|
|
+ case Type::T_CONTINUE:
|
|
|
+ return array(Type::T_CONTROL, false);
|
|
|
+ case Type::T_RETURN:
|
|
|
+ return $this->reduce($child[1], true);
|
|
|
+ case Type::T_NESTED_PROPERTY:
|
|
|
+ list(, $prop) = $child;
|
|
|
+ $prefixed = array();
|
|
|
+ $prefix = $this->compileValue($prop->prefix) . '-';
|
|
|
+ foreach ($prop->children as $child) {
|
|
|
+ switch ($child[0]) {
|
|
|
+ case Type::T_ASSIGN:
|
|
|
+ array_unshift($child[1][2], $prefix);
|
|
|
+ break;
|
|
|
+ case Type::T_NESTED_PROPERTY:
|
|
|
+ array_unshift($child[1]->prefix[2], $prefix);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $prefixed[] = $child;
|
|
|
+ }
|
|
|
+ $this->compileChildrenNoReturn($prefixed, $out);
|
|
|
+ break;
|
|
|
+ case Type::T_INCLUDE:
|
|
|
+ // including a mixin
|
|
|
+ list(, $name, $argValues, $content) = $child;
|
|
|
+ $mixin = $this->get(self::$namespaces['mixin'] . $name, false);
|
|
|
+ if (!$mixin) {
|
|
|
+ $this->throwError("Undefined mixin {$name}");
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $callingScope = $this->getStoreEnv();
|
|
|
+ // push scope, apply args
|
|
|
+ $this->pushEnv();
|
|
|
+ $this->env->depth--;
|
|
|
+ if (isset($content)) {
|
|
|
+ $content->scope = $callingScope;
|
|
|
+ $this->setRaw(self::$namespaces['special'] . 'content', $content, $this->env);
|
|
|
+ }
|
|
|
+ if (isset($mixin->args)) {
|
|
|
+ $this->applyArguments($mixin->args, $argValues);
|
|
|
+ }
|
|
|
+ $this->env->marker = 'mixin';
|
|
|
+ $this->compileChildrenNoReturn($mixin->children, $out);
|
|
|
+ $this->popEnv();
|
|
|
+ break;
|
|
|
+ case Type::T_MIXIN_CONTENT:
|
|
|
+ $content = $this->get(self::$namespaces['special'] . 'content', false, $this->getStoreEnv()) ?: $this->get(self::$namespaces['special'] . 'content', false, $this->env);
|
|
|
+ if (!$content) {
|
|
|
+ $this->throwError('Expected @content inside of mixin');
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $storeEnv = $this->storeEnv;
|
|
|
+ $this->storeEnv = $content->scope;
|
|
|
+ $this->compileChildrenNoReturn($content->children, $out);
|
|
|
+ $this->storeEnv = $storeEnv;
|
|
|
+ break;
|
|
|
+ case Type::T_DEBUG:
|
|
|
+ list(, $value) = $child;
|
|
|
+ $line = $this->sourceLine;
|
|
|
+ $value = $this->compileValue($this->reduce($value, true));
|
|
|
+ fwrite($this->stderr, "Line {$line} DEBUG: {$value}\n");
|
|
|
+ break;
|
|
|
+ case Type::T_WARN:
|
|
|
+ list(, $value) = $child;
|
|
|
+ $line = $this->sourceLine;
|
|
|
+ $value = $this->compileValue($this->reduce($value, true));
|
|
|
+ fwrite($this->stderr, "Line {$line} WARN: {$value}\n");
|
|
|
+ break;
|
|
|
+ case Type::T_ERROR:
|
|
|
+ list(, $value) = $child;
|
|
|
+ $line = $this->sourceLine;
|
|
|
+ $value = $this->compileValue($this->reduce($value, true));
|
|
|
+ $this->throwError("Line {$line} ERROR: {$value}\n");
|
|
|
+ break;
|
|
|
+ case Type::T_CONTROL:
|
|
|
+ $this->throwError('@break/@continue not permitted in this scope');
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ $this->throwError("unknown child type: {$child['0']}");
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Reduce expression to string
|
|
|
+ *
|
|
|
+ * @param array $exp
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function expToString($exp)
|
|
|
+ {
|
|
|
+ list(, $op, $left, $right, , $whiteLeft, $whiteRight) = $exp;
|
|
|
+ $content = array($this->reduce($left));
|
|
|
+ if ($whiteLeft) {
|
|
|
+ $content[] = ' ';
|
|
|
+ }
|
|
|
+ $content[] = $op;
|
|
|
+ if ($whiteRight) {
|
|
|
+ $content[] = ' ';
|
|
|
+ }
|
|
|
+ $content[] = $this->reduce($right);
|
|
|
+ return array(Type::T_STRING, '', $content);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Is truthy?
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function isTruthy($value)
|
|
|
+ {
|
|
|
+ return $value !== self::$false && $value !== self::$null;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Should $value cause its operand to eval
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return boolean
|
|
|
+ */
|
|
|
+ protected function shouldEval($value)
|
|
|
+ {
|
|
|
+ switch ($value[0]) {
|
|
|
+ case Type::T_EXPRESSION:
|
|
|
+ if ($value[1] === '/') {
|
|
|
+ return $this->shouldEval($value[2], $value[3]);
|
|
|
+ }
|
|
|
+ // fall-thru
|
|
|
+ case Type::T_VARIABLE:
|
|
|
+ case Type::T_FUNCTION_CALL:
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Reduce value
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ * @param boolean $inExp
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function reduce($value, $inExp = false)
|
|
|
+ {
|
|
|
+ list($type) = $value;
|
|
|
+ switch ($type) {
|
|
|
+ case Type::T_EXPRESSION:
|
|
|
+ list(, $op, $left, $right, $inParens) = $value;
|
|
|
+ $opName = isset(self::$operatorNames[$op]) ? self::$operatorNames[$op] : $op;
|
|
|
+ $inExp = $inExp || $this->shouldEval($left) || $this->shouldEval($right);
|
|
|
+ $left = $this->reduce($left, true);
|
|
|
+ if ($op !== 'and' && $op !== 'or') {
|
|
|
+ $right = $this->reduce($right, true);
|
|
|
+ }
|
|
|
+ // special case: looks like css shorthand
|
|
|
+ if ($opName == 'div' && !$inParens && !$inExp && isset($right[2]) && ($right[0] !== Type::T_NUMBER && $right[2] != '' || $right[0] === Type::T_NUMBER && !$right->unitless())) {
|
|
|
+ return $this->expToString($value);
|
|
|
+ }
|
|
|
+ $left = $this->coerceForExpression($left);
|
|
|
+ $right = $this->coerceForExpression($right);
|
|
|
+ $ltype = $left[0];
|
|
|
+ $rtype = $right[0];
|
|
|
+ $ucOpName = ucfirst($opName);
|
|
|
+ $ucLType = ucfirst($ltype);
|
|
|
+ $ucRType = ucfirst($rtype);
|
|
|
+ // this tries:
|
|
|
+ // 1. op[op name][left type][right type]
|
|
|
+ // 2. op[left type][right type] (passing the op as first arg
|
|
|
+ // 3. op[op name]
|
|
|
+ $fn = "op{$ucOpName}{$ucLType}{$ucRType}";
|
|
|
+ if (is_callable(array($this, $fn)) || ($fn = "op{$ucLType}{$ucRType}") && is_callable(array($this, $fn)) && ($passOp = true) || ($fn = "op{$ucOpName}") && is_callable(array($this, $fn)) && ($genOp = true)) {
|
|
|
+ $coerceUnit = false;
|
|
|
+ if (!isset($genOp) && $left[0] === Type::T_NUMBER && $right[0] === Type::T_NUMBER) {
|
|
|
+ $coerceUnit = true;
|
|
|
+ switch ($opName) {
|
|
|
+ case 'mul':
|
|
|
+ $targetUnit = $left[2];
|
|
|
+ foreach ($right[2] as $unit => $exp) {
|
|
|
+ $targetUnit[$unit] = (isset($targetUnit[$unit]) ? $targetUnit[$unit] : 0) + $exp;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case 'div':
|
|
|
+ $targetUnit = $left[2];
|
|
|
+ foreach ($right[2] as $unit => $exp) {
|
|
|
+ $targetUnit[$unit] = (isset($targetUnit[$unit]) ? $targetUnit[$unit] : 0) - $exp;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case 'mod':
|
|
|
+ $targetUnit = $left[2];
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ $targetUnit = $left->unitless() ? $right[2] : $left[2];
|
|
|
+ }
|
|
|
+ if (!$left->unitless() && !$right->unitless()) {
|
|
|
+ $left = $left->normalize();
|
|
|
+ $right = $right->normalize();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $shouldEval = $inParens || $inExp;
|
|
|
+ if (isset($passOp)) {
|
|
|
+ $out = $this->{$fn}($op, $left, $right, $shouldEval);
|
|
|
+ } else {
|
|
|
+ $out = $this->{$fn}($left, $right, $shouldEval);
|
|
|
+ }
|
|
|
+ if (isset($out)) {
|
|
|
+ if ($coerceUnit && $out[0] === Type::T_NUMBER) {
|
|
|
+ $out = $out->coerce($targetUnit);
|
|
|
+ }
|
|
|
+ return $out;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $this->expToString($value);
|
|
|
+ case Type::T_UNARY:
|
|
|
+ list(, $op, $exp, $inParens) = $value;
|
|
|
+ $inExp = $inExp || $this->shouldEval($exp);
|
|
|
+ $exp = $this->reduce($exp);
|
|
|
+ if ($exp[0] === Type::T_NUMBER) {
|
|
|
+ switch ($op) {
|
|
|
+ case '+':
|
|
|
+ return new Node\Number($exp[1], $exp[2]);
|
|
|
+ case '-':
|
|
|
+ return new Node\Number(-$exp[1], $exp[2]);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if ($op === 'not') {
|
|
|
+ if ($inExp || $inParens) {
|
|
|
+ if ($exp === self::$false || $exp === self::$null) {
|
|
|
+ return self::$true;
|
|
|
+ }
|
|
|
+ return self::$false;
|
|
|
+ }
|
|
|
+ $op = $op . ' ';
|
|
|
+ }
|
|
|
+ return array(Type::T_STRING, '', array($op, $exp));
|
|
|
+ case Type::T_VARIABLE:
|
|
|
+ list(, $name) = $value;
|
|
|
+ return $this->reduce($this->get($name));
|
|
|
+ case Type::T_LIST:
|
|
|
+ foreach ($value[2] as &$item) {
|
|
|
+ $item = $this->reduce($item);
|
|
|
+ }
|
|
|
+ return $value;
|
|
|
+ case Type::T_MAP:
|
|
|
+ foreach ($value[1] as &$item) {
|
|
|
+ $item = $this->reduce($item);
|
|
|
+ }
|
|
|
+ foreach ($value[2] as &$item) {
|
|
|
+ $item = $this->reduce($item);
|
|
|
+ }
|
|
|
+ return $value;
|
|
|
+ case Type::T_STRING:
|
|
|
+ foreach ($value[2] as &$item) {
|
|
|
+ if (is_array($item) || $item instanceof \ArrayAccess) {
|
|
|
+ $item = $this->reduce($item);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $value;
|
|
|
+ case Type::T_INTERPOLATE:
|
|
|
+ $value[1] = $this->reduce($value[1]);
|
|
|
+ return $value;
|
|
|
+ case Type::T_FUNCTION_CALL:
|
|
|
+ list(, $name, $argValues) = $value;
|
|
|
+ return $this->fncall($name, $argValues);
|
|
|
+ default:
|
|
|
+ return $value;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Function caller
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ * @param array $argValues
|
|
|
+ *
|
|
|
+ * @return array|null
|
|
|
+ */
|
|
|
+ private function fncall($name, $argValues)
|
|
|
+ {
|
|
|
+ // SCSS @function
|
|
|
+ if ($this->callScssFunction($name, $argValues, $returnValue)) {
|
|
|
+ return $returnValue;
|
|
|
+ }
|
|
|
+ // native PHP functions
|
|
|
+ if ($this->callNativeFunction($name, $argValues, $returnValue)) {
|
|
|
+ return $returnValue;
|
|
|
+ }
|
|
|
+ // for CSS functions, simply flatten the arguments into a list
|
|
|
+ $listArgs = array();
|
|
|
+ foreach ((array) $argValues as $arg) {
|
|
|
+ if (empty($arg[0])) {
|
|
|
+ $listArgs[] = $this->reduce($arg[1]);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return array(Type::T_FUNCTION, $name, array(Type::T_LIST, ',', $listArgs));
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Normalize name
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ *
|
|
|
+ * @return string
|
|
|
+ */
|
|
|
+ protected function normalizeName($name)
|
|
|
+ {
|
|
|
+ return str_replace('-', '_', $name);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Normalize value
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ public function normalizeValue($value)
|
|
|
+ {
|
|
|
+ $value = $this->coerceForExpression($this->reduce($value));
|
|
|
+ list($type) = $value;
|
|
|
+ switch ($type) {
|
|
|
+ case Type::T_LIST:
|
|
|
+ $value = $this->extractInterpolation($value);
|
|
|
+ if ($value[0] !== Type::T_LIST) {
|
|
|
+ return array(Type::T_KEYWORD, $this->compileValue($value));
|
|
|
+ }
|
|
|
+ foreach ($value[2] as $key => $item) {
|
|
|
+ $value[2][$key] = $this->normalizeValue($item);
|
|
|
+ }
|
|
|
+ return $value;
|
|
|
+ case Type::T_STRING:
|
|
|
+ return array($type, '"', array($this->compileStringContent($value)));
|
|
|
+ case Type::T_NUMBER:
|
|
|
+ return $value->normalize();
|
|
|
+ case Type::T_INTERPOLATE:
|
|
|
+ return array(Type::T_KEYWORD, $this->compileValue($value));
|
|
|
+ default:
|
|
|
+ return $value;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Add numbers
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opAddNumberNumber($left, $right)
|
|
|
+ {
|
|
|
+ return new Node\Number($left[1] + $right[1], $left[2]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Multiply numbers
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opMulNumberNumber($left, $right)
|
|
|
+ {
|
|
|
+ return new Node\Number($left[1] * $right[1], $left[2]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Subtract numbers
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opSubNumberNumber($left, $right)
|
|
|
+ {
|
|
|
+ return new Node\Number($left[1] - $right[1], $left[2]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Divide numbers
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opDivNumberNumber($left, $right)
|
|
|
+ {
|
|
|
+ if ($right[1] == 0) {
|
|
|
+ return array(Type::T_STRING, '', array($left[1] . $left[2] . '/' . $right[1] . $right[2]));
|
|
|
+ }
|
|
|
+ return new Node\Number($left[1] / $right[1], $left[2]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Mod numbers
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opModNumberNumber($left, $right)
|
|
|
+ {
|
|
|
+ return new Node\Number($left[1] % $right[1], $left[2]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Add strings
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opAdd($left, $right)
|
|
|
+ {
|
|
|
+ if ($strLeft = $this->coerceString($left)) {
|
|
|
+ if ($right[0] === Type::T_STRING) {
|
|
|
+ $right[1] = '';
|
|
|
+ }
|
|
|
+ $strLeft[2][] = $right;
|
|
|
+ return $strLeft;
|
|
|
+ }
|
|
|
+ if ($strRight = $this->coerceString($right)) {
|
|
|
+ if ($left[0] === Type::T_STRING) {
|
|
|
+ $left[1] = '';
|
|
|
+ }
|
|
|
+ array_unshift($strRight[2], $left);
|
|
|
+ return $strRight;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Boolean and
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ * @param boolean $shouldEval
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opAnd($left, $right, $shouldEval)
|
|
|
+ {
|
|
|
+ if (!$shouldEval) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if ($left !== self::$false and $left !== self::$null) {
|
|
|
+ return $this->reduce($right, true);
|
|
|
+ }
|
|
|
+ return $left;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Boolean or
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ * @param boolean $shouldEval
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opOr($left, $right, $shouldEval)
|
|
|
+ {
|
|
|
+ if (!$shouldEval) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if ($left !== self::$false and $left !== self::$null) {
|
|
|
+ return $left;
|
|
|
+ }
|
|
|
+ return $this->reduce($right, true);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compare colors
|
|
|
+ *
|
|
|
+ * @param string $op
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opColorColor($op, $left, $right)
|
|
|
+ {
|
|
|
+ $out = array(Type::T_COLOR);
|
|
|
+ foreach (array(1, 2, 3) as $i) {
|
|
|
+ $lval = isset($left[$i]) ? $left[$i] : 0;
|
|
|
+ $rval = isset($right[$i]) ? $right[$i] : 0;
|
|
|
+ switch ($op) {
|
|
|
+ case '+':
|
|
|
+ $out[] = $lval + $rval;
|
|
|
+ break;
|
|
|
+ case '-':
|
|
|
+ $out[] = $lval - $rval;
|
|
|
+ break;
|
|
|
+ case '*':
|
|
|
+ $out[] = $lval * $rval;
|
|
|
+ break;
|
|
|
+ case '%':
|
|
|
+ $out[] = $lval % $rval;
|
|
|
+ break;
|
|
|
+ case '/':
|
|
|
+ if ($rval == 0) {
|
|
|
+ $this->throwError('color: Can\'t divide by zero');
|
|
|
+ break 2;
|
|
|
+ }
|
|
|
+ $out[] = (int) ($lval / $rval);
|
|
|
+ break;
|
|
|
+ case '==':
|
|
|
+ return $this->opEq($left, $right);
|
|
|
+ case '!=':
|
|
|
+ return $this->opNeq($left, $right);
|
|
|
+ default:
|
|
|
+ $this->throwError("color: unknown op {$op}");
|
|
|
+ break 2;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (isset($left[4])) {
|
|
|
+ $out[4] = $left[4];
|
|
|
+ } elseif (isset($right[4])) {
|
|
|
+ $out[4] = $right[4];
|
|
|
+ }
|
|
|
+ return $this->fixColor($out);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compare color and number
|
|
|
+ *
|
|
|
+ * @param string $op
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opColorNumber($op, $left, $right)
|
|
|
+ {
|
|
|
+ $value = $right[1];
|
|
|
+ return $this->opColorColor($op, $left, array(Type::T_COLOR, $value, $value, $value));
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compare number and color
|
|
|
+ *
|
|
|
+ * @param string $op
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opNumberColor($op, $left, $right)
|
|
|
+ {
|
|
|
+ $value = $left[1];
|
|
|
+ return $this->opColorColor($op, array(Type::T_COLOR, $value, $value, $value), $right);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compare number1 == number2
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opEq($left, $right)
|
|
|
+ {
|
|
|
+ if (($lStr = $this->coerceString($left)) && ($rStr = $this->coerceString($right))) {
|
|
|
+ $lStr[1] = '';
|
|
|
+ $rStr[1] = '';
|
|
|
+ $left = $this->compileValue($lStr);
|
|
|
+ $right = $this->compileValue($rStr);
|
|
|
+ }
|
|
|
+ return $this->toBool($left === $right);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compare number1 != number2
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opNeq($left, $right)
|
|
|
+ {
|
|
|
+ if (($lStr = $this->coerceString($left)) && ($rStr = $this->coerceString($right))) {
|
|
|
+ $lStr[1] = '';
|
|
|
+ $rStr[1] = '';
|
|
|
+ $left = $this->compileValue($lStr);
|
|
|
+ $right = $this->compileValue($rStr);
|
|
|
+ }
|
|
|
+ return $this->toBool($left !== $right);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compare number1 >= number2
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opGteNumberNumber($left, $right)
|
|
|
+ {
|
|
|
+ return $this->toBool($left[1] >= $right[1]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compare number1 > number2
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opGtNumberNumber($left, $right)
|
|
|
+ {
|
|
|
+ return $this->toBool($left[1] > $right[1]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compare number1 <= number2
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opLteNumberNumber($left, $right)
|
|
|
+ {
|
|
|
+ return $this->toBool($left[1] <= $right[1]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compare number1 < number2
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opLtNumberNumber($left, $right)
|
|
|
+ {
|
|
|
+ return $this->toBool($left[1] < $right[1]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Three-way comparison, aka spaceship operator
|
|
|
+ *
|
|
|
+ * @param array $left
|
|
|
+ * @param array $right
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function opCmpNumberNumber($left, $right)
|
|
|
+ {
|
|
|
+ $n = $left[1] - $right[1];
|
|
|
+ return new Node\Number($n ? $n / abs($n) : 0, '');
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Cast to boolean
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param mixed $thing
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ public function toBool($thing)
|
|
|
+ {
|
|
|
+ return $thing ? self::$true : self::$false;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compiles a primitive value into a CSS property value.
|
|
|
+ *
|
|
|
+ * Values in scssphp are typed by being wrapped in arrays, their format is
|
|
|
+ * typically:
|
|
|
+ *
|
|
|
+ * array(type, contents [, additional_contents]*)
|
|
|
+ *
|
|
|
+ * The input is expected to be reduced. This function will not work on
|
|
|
+ * things like expressions and variables.
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return string
|
|
|
+ */
|
|
|
+ public function compileValue($value)
|
|
|
+ {
|
|
|
+ $value = $this->reduce($value);
|
|
|
+ list($type) = $value;
|
|
|
+ switch ($type) {
|
|
|
+ case Type::T_KEYWORD:
|
|
|
+ return $value[1];
|
|
|
+ case Type::T_COLOR:
|
|
|
+ // [1] - red component (either number for a %)
|
|
|
+ // [2] - green component
|
|
|
+ // [3] - blue component
|
|
|
+ // [4] - optional alpha component
|
|
|
+ list(, $r, $g, $b) = $value;
|
|
|
+ $r = round($r);
|
|
|
+ $g = round($g);
|
|
|
+ $b = round($b);
|
|
|
+ if (count($value) === 5 && $value[4] !== 1) {
|
|
|
+ // rgba
|
|
|
+ return 'rgba(' . $r . ', ' . $g . ', ' . $b . ', ' . $value[4] . ')';
|
|
|
+ }
|
|
|
+ $h = sprintf('#%02x%02x%02x', $r, $g, $b);
|
|
|
+ // Converting hex color to short notation (e.g. #003399 to #039)
|
|
|
+ if ($h[1] === $h[2] && $h[3] === $h[4] && $h[5] === $h[6]) {
|
|
|
+ $h = '#' . $h[1] . $h[3] . $h[5];
|
|
|
+ }
|
|
|
+ return $h;
|
|
|
+ case Type::T_NUMBER:
|
|
|
+ return $value->output($this);
|
|
|
+ case Type::T_STRING:
|
|
|
+ return $value[1] . $this->compileStringContent($value) . $value[1];
|
|
|
+ case Type::T_FUNCTION:
|
|
|
+ $args = !empty($value[2]) ? $this->compileValue($value[2]) : '';
|
|
|
+ return "{$value['1']}({$args})";
|
|
|
+ case Type::T_LIST:
|
|
|
+ $value = $this->extractInterpolation($value);
|
|
|
+ if ($value[0] !== Type::T_LIST) {
|
|
|
+ return $this->compileValue($value);
|
|
|
+ }
|
|
|
+ list(, $delim, $items) = $value;
|
|
|
+ if ($delim !== ' ') {
|
|
|
+ $delim .= ' ';
|
|
|
+ }
|
|
|
+ $filtered = array();
|
|
|
+ foreach ($items as $item) {
|
|
|
+ if ($item[0] === Type::T_NULL) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ $filtered[] = $this->compileValue($item);
|
|
|
+ }
|
|
|
+ return implode("{$delim}", $filtered);
|
|
|
+ case Type::T_MAP:
|
|
|
+ $keys = $value[1];
|
|
|
+ $values = $value[2];
|
|
|
+ $filtered = array();
|
|
|
+ for ($i = 0, $s = count($keys); $i < $s; $i++) {
|
|
|
+ $filtered[$this->compileValue($keys[$i])] = $this->compileValue($values[$i]);
|
|
|
+ }
|
|
|
+ array_walk($filtered, function (&$value, $key) {
|
|
|
+ $value = $key . ': ' . $value;
|
|
|
+ });
|
|
|
+ return '(' . implode(', ', $filtered) . ')';
|
|
|
+ case Type::T_INTERPOLATED:
|
|
|
+ // node created by extractInterpolation
|
|
|
+ list(, $interpolate, $left, $right) = $value;
|
|
|
+ list(, , $whiteLeft, $whiteRight) = $interpolate;
|
|
|
+ $left = count($left[2]) > 0 ? $this->compileValue($left) . $whiteLeft : '';
|
|
|
+ $right = count($right[2]) > 0 ? $whiteRight . $this->compileValue($right) : '';
|
|
|
+ return $left . $this->compileValue($interpolate) . $right;
|
|
|
+ case Type::T_INTERPOLATE:
|
|
|
+ // raw parse node
|
|
|
+ list(, $exp) = $value;
|
|
|
+ // strip quotes if it's a string
|
|
|
+ $reduced = $this->reduce($exp);
|
|
|
+ switch ($reduced[0]) {
|
|
|
+ case Type::T_STRING:
|
|
|
+ $reduced = array(Type::T_KEYWORD, $this->compileStringContent($reduced));
|
|
|
+ break;
|
|
|
+ case Type::T_NULL:
|
|
|
+ $reduced = array(Type::T_KEYWORD, '');
|
|
|
+ }
|
|
|
+ return $this->compileValue($reduced);
|
|
|
+ case Type::T_NULL:
|
|
|
+ return 'null';
|
|
|
+ default:
|
|
|
+ $this->throwError("unknown value type: {$type}");
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Flatten list
|
|
|
+ *
|
|
|
+ * @param array $list
|
|
|
+ *
|
|
|
+ * @return string
|
|
|
+ */
|
|
|
+ protected function flattenList($list)
|
|
|
+ {
|
|
|
+ return $this->compileValue($list);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Compile string content
|
|
|
+ *
|
|
|
+ * @param array $string
|
|
|
+ *
|
|
|
+ * @return string
|
|
|
+ */
|
|
|
+ protected function compileStringContent($string)
|
|
|
+ {
|
|
|
+ $parts = array();
|
|
|
+ foreach ($string[2] as $part) {
|
|
|
+ if (is_array($part) || $part instanceof \ArrayAccess) {
|
|
|
+ $parts[] = $this->compileValue($part);
|
|
|
+ } else {
|
|
|
+ $parts[] = $part;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return implode($parts);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Extract interpolation; it doesn't need to be recursive, compileValue will handle that
|
|
|
+ *
|
|
|
+ * @param array $list
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function extractInterpolation($list)
|
|
|
+ {
|
|
|
+ $items = $list[2];
|
|
|
+ foreach ($items as $i => $item) {
|
|
|
+ if ($item[0] === Type::T_INTERPOLATE) {
|
|
|
+ $before = array(Type::T_LIST, $list[1], array_slice($items, 0, $i));
|
|
|
+ $after = array(Type::T_LIST, $list[1], array_slice($items, $i + 1));
|
|
|
+ return array(Type::T_INTERPOLATED, $item, $before, $after);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $list;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Find the final set of selectors
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Compiler\Environment $env
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function multiplySelectors(Environment $env)
|
|
|
+ {
|
|
|
+ $envs = $this->compactEnv($env);
|
|
|
+ $selectors = array();
|
|
|
+ $parentSelectors = array(array());
|
|
|
+ while ($env = array_pop($envs)) {
|
|
|
+ if (empty($env->selectors)) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ $selectors = array();
|
|
|
+ foreach ($env->selectors as $selector) {
|
|
|
+ foreach ($parentSelectors as $parent) {
|
|
|
+ $selectors[] = $this->joinSelectors($parent, $selector);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $parentSelectors = $selectors;
|
|
|
+ }
|
|
|
+ return $selectors;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Join selectors; looks for & to replace, or append parent before child
|
|
|
+ *
|
|
|
+ * @param array $parent
|
|
|
+ * @param array $child
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function joinSelectors($parent, $child)
|
|
|
+ {
|
|
|
+ $setSelf = false;
|
|
|
+ $out = array();
|
|
|
+ foreach ($child as $part) {
|
|
|
+ $newPart = array();
|
|
|
+ foreach ($part as $p) {
|
|
|
+ if ($p === self::$selfSelector) {
|
|
|
+ $setSelf = true;
|
|
|
+ foreach ($parent as $i => $parentPart) {
|
|
|
+ if ($i > 0) {
|
|
|
+ $out[] = $newPart;
|
|
|
+ $newPart = array();
|
|
|
+ }
|
|
|
+ foreach ($parentPart as $pp) {
|
|
|
+ $newPart[] = $pp;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ $newPart[] = $p;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $out[] = $newPart;
|
|
|
+ }
|
|
|
+ return $setSelf ? $out : array_merge($parent, $child);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Multiply media
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Compiler\Environment $env
|
|
|
+ * @param array $childQueries
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function multiplyMedia(Environment $env = null, $childQueries = null)
|
|
|
+ {
|
|
|
+ if (!isset($env) || !empty($env->block->type) && $env->block->type !== Type::T_MEDIA) {
|
|
|
+ return $childQueries;
|
|
|
+ }
|
|
|
+ // plain old block, skip
|
|
|
+ if (empty($env->block->type)) {
|
|
|
+ return $this->multiplyMedia($env->parent, $childQueries);
|
|
|
+ }
|
|
|
+ $parentQueries = isset($env->block->queryList) ? $env->block->queryList : array(array(array(Type::T_MEDIA_VALUE, $env->block->value)));
|
|
|
+ if ($childQueries === null) {
|
|
|
+ $childQueries = $parentQueries;
|
|
|
+ } else {
|
|
|
+ $originalQueries = $childQueries;
|
|
|
+ $childQueries = array();
|
|
|
+ foreach ($parentQueries as $parentQuery) {
|
|
|
+ foreach ($originalQueries as $childQuery) {
|
|
|
+ $childQueries[] = array_merge($parentQuery, $childQuery);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $this->multiplyMedia($env->parent, $childQueries);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Convert env linked list to stack
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Compiler\Environment $env
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ private function compactEnv(Environment $env)
|
|
|
+ {
|
|
|
+ for ($envs = array(); $env; $env = $env->parent) {
|
|
|
+ $envs[] = $env;
|
|
|
+ }
|
|
|
+ return $envs;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Convert env stack to singly linked list
|
|
|
+ *
|
|
|
+ * @param array $envs
|
|
|
+ *
|
|
|
+ * @return \Leafo\ScssPhp\Compiler\Environment
|
|
|
+ */
|
|
|
+ private function extractEnv($envs)
|
|
|
+ {
|
|
|
+ for ($env = null; $e = array_pop($envs);) {
|
|
|
+ $e->parent = $env;
|
|
|
+ $env = $e;
|
|
|
+ }
|
|
|
+ return $env;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Push environment
|
|
|
+ *
|
|
|
+ * @param \Leafo\ScssPhp\Block $block
|
|
|
+ *
|
|
|
+ * @return \Leafo\ScssPhp\Compiler\Environment
|
|
|
+ */
|
|
|
+ protected function pushEnv(Block $block = null)
|
|
|
+ {
|
|
|
+ $env = new Environment();
|
|
|
+ $env->parent = $this->env;
|
|
|
+ $env->store = array();
|
|
|
+ $env->block = $block;
|
|
|
+ $env->depth = isset($this->env->depth) ? $this->env->depth + 1 : 0;
|
|
|
+ $this->env = $env;
|
|
|
+ return $env;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Pop environment
|
|
|
+ */
|
|
|
+ protected function popEnv()
|
|
|
+ {
|
|
|
+ $this->env = $this->env->parent;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get store environment
|
|
|
+ *
|
|
|
+ * @return \Leafo\ScssPhp\Compiler\Environment
|
|
|
+ */
|
|
|
+ protected function getStoreEnv()
|
|
|
+ {
|
|
|
+ return isset($this->storeEnv) ? $this->storeEnv : $this->env;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Set variable
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ * @param mixed $value
|
|
|
+ * @param boolean $shadow
|
|
|
+ * @param \Leafo\ScssPhp\Compiler\Environment $env
|
|
|
+ */
|
|
|
+ protected function set($name, $value, $shadow = false, Environment $env = null)
|
|
|
+ {
|
|
|
+ $name = $this->normalizeName($name);
|
|
|
+ if (!isset($env)) {
|
|
|
+ $env = $this->getStoreEnv();
|
|
|
+ }
|
|
|
+ if ($shadow) {
|
|
|
+ $this->setRaw($name, $value, $env);
|
|
|
+ } else {
|
|
|
+ $this->setExisting($name, $value, $env);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Set existing variable
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ * @param mixed $value
|
|
|
+ * @param \Leafo\ScssPhp\Compiler\Environment $env
|
|
|
+ */
|
|
|
+ protected function setExisting($name, $value, Environment $env)
|
|
|
+ {
|
|
|
+ $storeEnv = $env;
|
|
|
+ $hasNamespace = $name[0] === '^' || $name[0] === '@' || $name[0] === '%';
|
|
|
+ for (;;) {
|
|
|
+ if (array_key_exists($name, $env->store)) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if (!$hasNamespace && isset($env->marker)) {
|
|
|
+ $env = $storeEnv;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if (!isset($env->parent)) {
|
|
|
+ $env = $storeEnv;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $env = $env->parent;
|
|
|
+ }
|
|
|
+ $env->store[$name] = $value;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Set raw variable
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ * @param mixed $value
|
|
|
+ * @param \Leafo\ScssPhp\Compiler\Environment $env
|
|
|
+ */
|
|
|
+ protected function setRaw($name, $value, Environment $env)
|
|
|
+ {
|
|
|
+ $env->store[$name] = $value;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get variable
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ * @param boolean $shouldThrow
|
|
|
+ * @param \Leafo\ScssPhp\Compiler\Environment $env
|
|
|
+ *
|
|
|
+ * @return mixed
|
|
|
+ */
|
|
|
+ public function get($name, $shouldThrow = true, Environment $env = null)
|
|
|
+ {
|
|
|
+ $name = $this->normalizeName($name);
|
|
|
+ if (!isset($env)) {
|
|
|
+ $env = $this->getStoreEnv();
|
|
|
+ }
|
|
|
+ $hasNamespace = $name[0] === '^' || $name[0] === '@' || $name[0] === '%';
|
|
|
+ for (;;) {
|
|
|
+ if (array_key_exists($name, $env->store)) {
|
|
|
+ return $env->store[$name];
|
|
|
+ }
|
|
|
+ if (!$hasNamespace && isset($env->marker)) {
|
|
|
+ $env = $this->rootEnv;
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ if (!isset($env->parent)) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $env = $env->parent;
|
|
|
+ }
|
|
|
+ if ($shouldThrow) {
|
|
|
+ $this->throwError("Undefined variable \${$name}");
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Has variable?
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ * @param \Leafo\ScssPhp\Compiler\Environment $env
|
|
|
+ *
|
|
|
+ * @return boolean
|
|
|
+ */
|
|
|
+ protected function has($name, Environment $env = null)
|
|
|
+ {
|
|
|
+ return $this->get($name, false, $env) !== null;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Inject variables
|
|
|
+ *
|
|
|
+ * @param array $args
|
|
|
+ */
|
|
|
+ protected function injectVariables(array $args)
|
|
|
+ {
|
|
|
+ if (empty($args)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ $parser = $this->parserFactory(__METHOD__);
|
|
|
+ foreach ($args as $name => $strValue) {
|
|
|
+ if ($name[0] === '$') {
|
|
|
+ $name = substr($name, 1);
|
|
|
+ }
|
|
|
+ if (!$parser->parseValue($strValue, $value)) {
|
|
|
+ $value = $this->coerceValue($strValue);
|
|
|
+ }
|
|
|
+ $this->set($name, $value);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Set variables
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param array $variables
|
|
|
+ */
|
|
|
+ public function setVariables(array $variables)
|
|
|
+ {
|
|
|
+ $this->registeredVars = array_merge($this->registeredVars, $variables);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Unset variable
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ */
|
|
|
+ public function unsetVariable($name)
|
|
|
+ {
|
|
|
+ unset($this->registeredVars[$name]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Returns list of variables
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ public function getVariables()
|
|
|
+ {
|
|
|
+ return $this->registeredVars;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Adds to list of parsed files
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $path
|
|
|
+ */
|
|
|
+ public function addParsedFile($path)
|
|
|
+ {
|
|
|
+ if (isset($path) && file_exists($path)) {
|
|
|
+ $this->parsedFiles[realpath($path)] = filemtime($path);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Returns list of parsed files
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ public function getParsedFiles()
|
|
|
+ {
|
|
|
+ return $this->parsedFiles;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Add import path
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $path
|
|
|
+ */
|
|
|
+ public function addImportPath($path)
|
|
|
+ {
|
|
|
+ if (!in_array($path, $this->importPaths)) {
|
|
|
+ $this->importPaths[] = $path;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Set import paths
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string|array $path
|
|
|
+ */
|
|
|
+ public function setImportPaths($path)
|
|
|
+ {
|
|
|
+ $this->importPaths = (array) $path;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Set number precision
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param integer $numberPrecision
|
|
|
+ */
|
|
|
+ public function setNumberPrecision($numberPrecision)
|
|
|
+ {
|
|
|
+ Node\Number::$precision = $numberPrecision;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Set formatter
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $formatterName
|
|
|
+ */
|
|
|
+ public function setFormatter($formatterName)
|
|
|
+ {
|
|
|
+ $this->formatter = $formatterName;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Set line number style
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $lineNumberStyle
|
|
|
+ */
|
|
|
+ public function setLineNumberStyle($lineNumberStyle)
|
|
|
+ {
|
|
|
+ $this->lineNumberStyle = $lineNumberStyle;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Register function
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ * @param callable $func
|
|
|
+ * @param array $prototype
|
|
|
+ */
|
|
|
+ public function registerFunction($name, $func, $prototype = null)
|
|
|
+ {
|
|
|
+ $this->userFunctions[$this->normalizeName($name)] = array($func, $prototype);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Unregister function
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ */
|
|
|
+ public function unregisterFunction($name)
|
|
|
+ {
|
|
|
+ unset($this->userFunctions[$this->normalizeName($name)]);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Add feature
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ */
|
|
|
+ public function addFeature($name)
|
|
|
+ {
|
|
|
+ $this->registeredFeatures[$name] = true;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Import file
|
|
|
+ *
|
|
|
+ * @param string $path
|
|
|
+ * @param array $out
|
|
|
+ */
|
|
|
+ protected function importFile($path, $out)
|
|
|
+ {
|
|
|
+ // see if tree is cached
|
|
|
+ $realPath = realpath($path);
|
|
|
+ if (isset($this->importCache[$realPath])) {
|
|
|
+ $this->handleImportLoop($realPath);
|
|
|
+ $tree = $this->importCache[$realPath];
|
|
|
+ } else {
|
|
|
+ $code = file_get_contents($path);
|
|
|
+ $parser = $this->parserFactory($path);
|
|
|
+ $tree = $parser->parse($code);
|
|
|
+ $this->importCache[$realPath] = $tree;
|
|
|
+ }
|
|
|
+ $pi = pathinfo($path);
|
|
|
+ array_unshift($this->importPaths, $pi['dirname']);
|
|
|
+ $this->compileChildrenNoReturn($tree->children, $out);
|
|
|
+ array_shift($this->importPaths);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Return the file path for an import url if it exists
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $url
|
|
|
+ *
|
|
|
+ * @return string|null
|
|
|
+ */
|
|
|
+ public function findImport($url)
|
|
|
+ {
|
|
|
+ $urls = array();
|
|
|
+ // for "normal" scss imports (ignore vanilla css and external requests)
|
|
|
+ if (!preg_match('/\\.css$|^https?:\\/\\//', $url)) {
|
|
|
+ // try both normal and the _partial filename
|
|
|
+ $urls = array($url, preg_replace('/[^\\/]+$/', '_\\0', $url));
|
|
|
+ }
|
|
|
+ foreach ($this->importPaths as $dir) {
|
|
|
+ if (is_string($dir)) {
|
|
|
+ // check urls for normal import paths
|
|
|
+ foreach ($urls as $full) {
|
|
|
+ $full = $dir . (!empty($dir) && substr($dir, -1) !== '/' ? '/' : '') . $full;
|
|
|
+ if ($this->fileExists($file = $full . '.scss') || $this->fileExists($file = $full)) {
|
|
|
+ return $file;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } elseif (is_callable($dir)) {
|
|
|
+ // check custom callback for import path
|
|
|
+ $file = call_user_func($dir, $url);
|
|
|
+ if ($file !== null) {
|
|
|
+ return $file;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Set encoding
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $encoding
|
|
|
+ */
|
|
|
+ public function setEncoding($encoding)
|
|
|
+ {
|
|
|
+ $this->encoding = $encoding;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Ignore errors?
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param boolean $ignoreErrors
|
|
|
+ *
|
|
|
+ * @return \Leafo\ScssPhp\Compiler
|
|
|
+ */
|
|
|
+ public function setIgnoreErrors($ignoreErrors)
|
|
|
+ {
|
|
|
+ $this->ignoreErrors = $ignoreErrors;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Throw error (exception)
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param string $msg Message with optional sprintf()-style vararg parameters
|
|
|
+ *
|
|
|
+ * @throws \Leafo\ScssPhp\Exception\CompilerException
|
|
|
+ */
|
|
|
+ public function throwError($msg)
|
|
|
+ {
|
|
|
+ if ($this->ignoreErrors) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (func_num_args() > 1) {
|
|
|
+ $msg = call_user_func_array('sprintf', func_get_args());
|
|
|
+ }
|
|
|
+ $line = $this->sourceLine;
|
|
|
+ $msg = "{$msg}: line: {$line}";
|
|
|
+ throw new CompilerException($msg);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Handle import loop
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ *
|
|
|
+ * @throws \Exception
|
|
|
+ */
|
|
|
+ protected function handleImportLoop($name)
|
|
|
+ {
|
|
|
+ for ($env = $this->env; $env; $env = $env->parent) {
|
|
|
+ $file = $this->sourceNames[$env->block->sourceIndex];
|
|
|
+ if (realpath($file) === $name) {
|
|
|
+ $this->throwError('An @import loop has been found: %s imports %s', $file, basename($file));
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Does file exist?
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ *
|
|
|
+ * @return boolean
|
|
|
+ */
|
|
|
+ protected function fileExists($name)
|
|
|
+ {
|
|
|
+ return is_file($name);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Call SCSS @function
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ * @param array $args
|
|
|
+ * @param array $returnValue
|
|
|
+ *
|
|
|
+ * @return boolean Returns true if returnValue is set; otherwise, false
|
|
|
+ */
|
|
|
+ protected function callScssFunction($name, $argValues, &$returnValue)
|
|
|
+ {
|
|
|
+ $func = $this->get(self::$namespaces['function'] . $name, false);
|
|
|
+ if (!$func) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ $this->pushEnv();
|
|
|
+ // set the args
|
|
|
+ if (isset($func->args)) {
|
|
|
+ $this->applyArguments($func->args, $argValues);
|
|
|
+ }
|
|
|
+ // throw away lines and children
|
|
|
+ $tmp = new OutputBlock();
|
|
|
+ $tmp->lines = array();
|
|
|
+ $tmp->children = array();
|
|
|
+ $this->env->marker = 'function';
|
|
|
+ $ret = $this->compileChildren($func->children, $tmp);
|
|
|
+ $this->popEnv();
|
|
|
+ $returnValue = !isset($ret) ? self::$defaultValue : $ret;
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Call built-in and registered (PHP) functions
|
|
|
+ *
|
|
|
+ * @param string $name
|
|
|
+ * @param array $args
|
|
|
+ * @param array $returnValue
|
|
|
+ *
|
|
|
+ * @return boolean Returns true if returnValue is set; otherwise, false
|
|
|
+ */
|
|
|
+ protected function callNativeFunction($name, $args, &$returnValue)
|
|
|
+ {
|
|
|
+ // try a lib function
|
|
|
+ $name = $this->normalizeName($name);
|
|
|
+ if (isset($this->userFunctions[$name])) {
|
|
|
+ // see if we can find a user function
|
|
|
+ list($f, $prototype) = $this->userFunctions[$name];
|
|
|
+ } elseif (($f = $this->getBuiltinFunction($name)) && is_callable($f)) {
|
|
|
+ $libName = $f[1];
|
|
|
+ $prototype = isset(self::${$libName}) ? self::${$libName} : null;
|
|
|
+ } else {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ list($sorted, $kwargs) = $this->sortArgs($prototype, $args);
|
|
|
+ if ($name !== 'if' && $name !== 'call') {
|
|
|
+ foreach ($sorted as &$val) {
|
|
|
+ $val = $this->reduce($val, true);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $returnValue = call_user_func($f, $sorted, $kwargs);
|
|
|
+ if (!isset($returnValue)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ $returnValue = $this->coerceValue($returnValue);
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get built-in function
|
|
|
+ *
|
|
|
+ * @param string $name Normalized name
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function getBuiltinFunction($name)
|
|
|
+ {
|
|
|
+ $libName = 'lib' . preg_replace_callback('/_(.)/', function ($m) {
|
|
|
+ return ucfirst($m[1]);
|
|
|
+ }, ucfirst($name));
|
|
|
+ return array($this, $libName);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Sorts keyword arguments
|
|
|
+ *
|
|
|
+ * @param array $prototype
|
|
|
+ * @param array $args
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function sortArgs($prototype, $args)
|
|
|
+ {
|
|
|
+ $keyArgs = array();
|
|
|
+ $posArgs = array();
|
|
|
+ // separate positional and keyword arguments
|
|
|
+ foreach ($args as $arg) {
|
|
|
+ list($key, $value) = $arg;
|
|
|
+ $key = $key[1];
|
|
|
+ if (empty($key)) {
|
|
|
+ $posArgs[] = $value;
|
|
|
+ } else {
|
|
|
+ $keyArgs[$key] = $value;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (!isset($prototype)) {
|
|
|
+ return array($posArgs, $keyArgs);
|
|
|
+ }
|
|
|
+ // copy positional args
|
|
|
+ $finalArgs = array_pad($posArgs, count($prototype), null);
|
|
|
+ // overwrite positional args with keyword args
|
|
|
+ foreach ($prototype as $i => $names) {
|
|
|
+ foreach ((array) $names as $name) {
|
|
|
+ if (isset($keyArgs[$name])) {
|
|
|
+ $finalArgs[$i] = $keyArgs[$name];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return array($finalArgs, $keyArgs);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Apply argument values per definition
|
|
|
+ *
|
|
|
+ * @param array $argDef
|
|
|
+ * @param array $argValues
|
|
|
+ *
|
|
|
+ * @throws \Exception
|
|
|
+ */
|
|
|
+ protected function applyArguments($argDef, $argValues)
|
|
|
+ {
|
|
|
+ $storeEnv = $this->getStoreEnv();
|
|
|
+ $env = new Environment();
|
|
|
+ $env->store = $storeEnv->store;
|
|
|
+ $hasVariable = false;
|
|
|
+ $args = array();
|
|
|
+ foreach ($argDef as $i => $arg) {
|
|
|
+ list($name, $default, $isVariable) = $argDef[$i];
|
|
|
+ $args[$name] = array($i, $name, $default, $isVariable);
|
|
|
+ $hasVariable |= $isVariable;
|
|
|
+ }
|
|
|
+ $keywordArgs = array();
|
|
|
+ $deferredKeywordArgs = array();
|
|
|
+ $remaining = array();
|
|
|
+ // assign the keyword args
|
|
|
+ foreach ((array) $argValues as $arg) {
|
|
|
+ if (!empty($arg[0])) {
|
|
|
+ if (!isset($args[$arg[0][1]])) {
|
|
|
+ if ($hasVariable) {
|
|
|
+ $deferredKeywordArgs[$arg[0][1]] = $arg[1];
|
|
|
+ } else {
|
|
|
+ $this->throwError('Mixin or function doesn\'t have an argument named $%s.', $arg[0][1]);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ } elseif ($args[$arg[0][1]][0] < count($remaining)) {
|
|
|
+ $this->throwError('The argument $%s was passed both by position and by name.', $arg[0][1]);
|
|
|
+ break;
|
|
|
+ } else {
|
|
|
+ $keywordArgs[$arg[0][1]] = $arg[1];
|
|
|
+ }
|
|
|
+ } elseif (count($keywordArgs)) {
|
|
|
+ $this->throwError('Positional arguments must come before keyword arguments.');
|
|
|
+ break;
|
|
|
+ } elseif ($arg[2] === true) {
|
|
|
+ $val = $this->reduce($arg[1], true);
|
|
|
+ if ($val[0] === Type::T_LIST) {
|
|
|
+ foreach ($val[2] as $name => $item) {
|
|
|
+ if (!is_numeric($name)) {
|
|
|
+ $keywordArgs[$name] = $item;
|
|
|
+ } else {
|
|
|
+ $remaining[] = $item;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } elseif ($val[0] === Type::T_MAP) {
|
|
|
+ foreach ($val[1] as $i => $name) {
|
|
|
+ $name = $this->compileStringContent($this->coerceString($name));
|
|
|
+ $item = $val[2][$i];
|
|
|
+ if (!is_numeric($name)) {
|
|
|
+ $keywordArgs[$name] = $item;
|
|
|
+ } else {
|
|
|
+ $remaining[] = $item;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ $remaining[] = $val;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ $remaining[] = $arg[1];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ foreach ($args as $arg) {
|
|
|
+ list($i, $name, $default, $isVariable) = $arg;
|
|
|
+ if ($isVariable) {
|
|
|
+ $val = array(Type::T_LIST, ',', array(), $isVariable);
|
|
|
+ for ($count = count($remaining); $i < $count; $i++) {
|
|
|
+ $val[2][] = $remaining[$i];
|
|
|
+ }
|
|
|
+ foreach ($deferredKeywordArgs as $itemName => $item) {
|
|
|
+ $val[2][$itemName] = $item;
|
|
|
+ }
|
|
|
+ } elseif (isset($remaining[$i])) {
|
|
|
+ $val = $remaining[$i];
|
|
|
+ } elseif (isset($keywordArgs[$name])) {
|
|
|
+ $val = $keywordArgs[$name];
|
|
|
+ } elseif (!empty($default)) {
|
|
|
+ continue;
|
|
|
+ } else {
|
|
|
+ $this->throwError("Missing argument {$name}");
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $this->set($name, $this->reduce($val, true), true, $env);
|
|
|
+ }
|
|
|
+ $storeEnv->store = $env->store;
|
|
|
+ foreach ($args as $arg) {
|
|
|
+ list($i, $name, $default, $isVariable) = $arg;
|
|
|
+ if ($isVariable || isset($remaining[$i]) || isset($keywordArgs[$name]) || empty($default)) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ $this->set($name, $this->reduce($default, true), true);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Coerce a php value into a scss one
|
|
|
+ *
|
|
|
+ * @param mixed $value
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ private function coerceValue($value)
|
|
|
+ {
|
|
|
+ if (is_array($value) || $value instanceof \ArrayAccess) {
|
|
|
+ return $value;
|
|
|
+ }
|
|
|
+ if (is_bool($value)) {
|
|
|
+ return $this->toBool($value);
|
|
|
+ }
|
|
|
+ if ($value === null) {
|
|
|
+ $value = self::$null;
|
|
|
+ }
|
|
|
+ if (is_numeric($value)) {
|
|
|
+ return new Node\Number($value, '');
|
|
|
+ }
|
|
|
+ if ($value === '') {
|
|
|
+ return self::$emptyString;
|
|
|
+ }
|
|
|
+ return array(Type::T_KEYWORD, $value);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Coerce something to map
|
|
|
+ *
|
|
|
+ * @param array $item
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function coerceMap($item)
|
|
|
+ {
|
|
|
+ if ($item[0] === Type::T_MAP) {
|
|
|
+ return $item;
|
|
|
+ }
|
|
|
+ if ($item === self::$emptyList) {
|
|
|
+ return self::$emptyMap;
|
|
|
+ }
|
|
|
+ return array(Type::T_MAP, array($item), array(self::$null));
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Coerce something to list
|
|
|
+ *
|
|
|
+ * @param array $item
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function coerceList($item, $delim = ',')
|
|
|
+ {
|
|
|
+ if (isset($item) && $item[0] === Type::T_LIST) {
|
|
|
+ return $item;
|
|
|
+ }
|
|
|
+ if (isset($item) && $item[0] === Type::T_MAP) {
|
|
|
+ $keys = $item[1];
|
|
|
+ $values = $item[2];
|
|
|
+ $list = array();
|
|
|
+ for ($i = 0, $s = count($keys); $i < $s; $i++) {
|
|
|
+ $key = $keys[$i];
|
|
|
+ $value = $values[$i];
|
|
|
+ $list[] = array(Type::T_LIST, '', array(array(Type::T_KEYWORD, $this->compileStringContent($this->coerceString($key))), $value));
|
|
|
+ }
|
|
|
+ return array(Type::T_LIST, ',', $list);
|
|
|
+ }
|
|
|
+ return array(Type::T_LIST, $delim, !isset($item) ? array() : array($item));
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Coerce color for expression
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return array|null
|
|
|
+ */
|
|
|
+ protected function coerceForExpression($value)
|
|
|
+ {
|
|
|
+ if ($color = $this->coerceColor($value)) {
|
|
|
+ return $color;
|
|
|
+ }
|
|
|
+ return $value;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Coerce value to color
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return array|null
|
|
|
+ */
|
|
|
+ protected function coerceColor($value)
|
|
|
+ {
|
|
|
+ switch ($value[0]) {
|
|
|
+ case Type::T_COLOR:
|
|
|
+ return $value;
|
|
|
+ case Type::T_KEYWORD:
|
|
|
+ $name = strtolower($value[1]);
|
|
|
+ if (isset(Colors::$cssColors[$name])) {
|
|
|
+ $rgba = explode(',', Colors::$cssColors[$name]);
|
|
|
+ return isset($rgba[3]) ? array(Type::T_COLOR, (int) $rgba[0], (int) $rgba[1], (int) $rgba[2], (int) $rgba[3]) : array(Type::T_COLOR, (int) $rgba[0], (int) $rgba[1], (int) $rgba[2]);
|
|
|
+ }
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Coerce value to string
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return array|null
|
|
|
+ */
|
|
|
+ protected function coerceString($value)
|
|
|
+ {
|
|
|
+ if ($value[0] === Type::T_STRING) {
|
|
|
+ return $value;
|
|
|
+ }
|
|
|
+ return array(Type::T_STRING, '', array($this->compileValue($value)));
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Coerce value to a percentage
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return integer|float
|
|
|
+ */
|
|
|
+ protected function coercePercent($value)
|
|
|
+ {
|
|
|
+ if ($value[0] === Type::T_NUMBER) {
|
|
|
+ if (!empty($value[2]['%'])) {
|
|
|
+ return $value[1] / 100;
|
|
|
+ }
|
|
|
+ return $value[1];
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Assert value is a map
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ *
|
|
|
+ * @throws \Exception
|
|
|
+ */
|
|
|
+ public function assertMap($value)
|
|
|
+ {
|
|
|
+ $value = $this->coerceMap($value);
|
|
|
+ if ($value[0] !== Type::T_MAP) {
|
|
|
+ $this->throwError('expecting map');
|
|
|
+ }
|
|
|
+ return $value;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Assert value is a list
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ *
|
|
|
+ * @throws \Exception
|
|
|
+ */
|
|
|
+ public function assertList($value)
|
|
|
+ {
|
|
|
+ if ($value[0] !== Type::T_LIST) {
|
|
|
+ $this->throwError('expecting list');
|
|
|
+ }
|
|
|
+ return $value;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Assert value is a color
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ *
|
|
|
+ * @throws \Exception
|
|
|
+ */
|
|
|
+ public function assertColor($value)
|
|
|
+ {
|
|
|
+ if ($color = $this->coerceColor($value)) {
|
|
|
+ return $color;
|
|
|
+ }
|
|
|
+ $this->throwError('expecting color');
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Assert value is a number
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param array $value
|
|
|
+ *
|
|
|
+ * @return integer|float
|
|
|
+ *
|
|
|
+ * @throws \Exception
|
|
|
+ */
|
|
|
+ public function assertNumber($value)
|
|
|
+ {
|
|
|
+ if ($value[0] !== Type::T_NUMBER) {
|
|
|
+ $this->throwError('expecting number');
|
|
|
+ }
|
|
|
+ return $value[1];
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Make sure a color's components don't go out of bounds
|
|
|
+ *
|
|
|
+ * @param array $c
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function fixColor($c)
|
|
|
+ {
|
|
|
+ foreach (array(1, 2, 3) as $i) {
|
|
|
+ if ($c[$i] < 0) {
|
|
|
+ $c[$i] = 0;
|
|
|
+ }
|
|
|
+ if ($c[$i] > 255) {
|
|
|
+ $c[$i] = 255;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $c;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Convert RGB to HSL
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param integer $red
|
|
|
+ * @param integer $green
|
|
|
+ * @param integer $blue
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ public function toHSL($red, $green, $blue)
|
|
|
+ {
|
|
|
+ $min = min($red, $green, $blue);
|
|
|
+ $max = max($red, $green, $blue);
|
|
|
+ $l = $min + $max;
|
|
|
+ $d = $max - $min;
|
|
|
+ if ((int) $d === 0) {
|
|
|
+ $h = $s = 0;
|
|
|
+ } else {
|
|
|
+ if ($l < 255) {
|
|
|
+ $s = $d / $l;
|
|
|
+ } else {
|
|
|
+ $s = $d / (510 - $l);
|
|
|
+ }
|
|
|
+ if ($red == $max) {
|
|
|
+ $h = 60 * ($green - $blue) / $d;
|
|
|
+ } elseif ($green == $max) {
|
|
|
+ $h = 60 * ($blue - $red) / $d + 120;
|
|
|
+ } elseif ($blue == $max) {
|
|
|
+ $h = 60 * ($red - $green) / $d + 240;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return array(Type::T_HSL, fmod($h, 360), $s * 100, $l / 5.1);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Hue to RGB helper
|
|
|
+ *
|
|
|
+ * @param float $m1
|
|
|
+ * @param float $m2
|
|
|
+ * @param float $h
|
|
|
+ *
|
|
|
+ * @return float
|
|
|
+ */
|
|
|
+ private function hueToRGB($m1, $m2, $h)
|
|
|
+ {
|
|
|
+ if ($h < 0) {
|
|
|
+ $h += 1;
|
|
|
+ } elseif ($h > 1) {
|
|
|
+ $h -= 1;
|
|
|
+ }
|
|
|
+ if ($h * 6 < 1) {
|
|
|
+ return $m1 + ($m2 - $m1) * $h * 6;
|
|
|
+ }
|
|
|
+ if ($h * 2 < 1) {
|
|
|
+ return $m2;
|
|
|
+ }
|
|
|
+ if ($h * 3 < 2) {
|
|
|
+ return $m1 + ($m2 - $m1) * (2 / 3 - $h) * 6;
|
|
|
+ }
|
|
|
+ return $m1;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Convert HSL to RGB
|
|
|
+ *
|
|
|
+ * @api
|
|
|
+ *
|
|
|
+ * @param integer $hue H from 0 to 360
|
|
|
+ * @param integer $saturation S from 0 to 100
|
|
|
+ * @param integer $lightness L from 0 to 100
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ public function toRGB($hue, $saturation, $lightness)
|
|
|
+ {
|
|
|
+ if ($hue < 0) {
|
|
|
+ $hue += 360;
|
|
|
+ }
|
|
|
+ $h = $hue / 360;
|
|
|
+ $s = min(100, max(0, $saturation)) / 100;
|
|
|
+ $l = min(100, max(0, $lightness)) / 100;
|
|
|
+ $m2 = $l <= 0.5 ? $l * ($s + 1) : $l + $s - $l * $s;
|
|
|
+ $m1 = $l * 2 - $m2;
|
|
|
+ $r = $this->hueToRGB($m1, $m2, $h + 1 / 3) * 255;
|
|
|
+ $g = $this->hueToRGB($m1, $m2, $h) * 255;
|
|
|
+ $b = $this->hueToRGB($m1, $m2, $h - 1 / 3) * 255;
|
|
|
+ $out = array(Type::T_COLOR, $r, $g, $b);
|
|
|
+ return $out;
|
|
|
+ }
|
|
|
+ // Built in functions
|
|
|
+ //protected static $libCall = ['name', 'args...'];
|
|
|
+ protected function libCall($args, $kwargs)
|
|
|
+ {
|
|
|
+ $name = $this->compileStringContent($this->coerceString($this->reduce(array_shift($args), true)));
|
|
|
+ $args = array_map(function ($a) {
|
|
|
+ return array(null, $a, false);
|
|
|
+ }, $args);
|
|
|
+ if (count($kwargs)) {
|
|
|
+ foreach ($kwargs as $key => $value) {
|
|
|
+ $args[] = array(array(Type::T_VARIABLE, $key), $value, false);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $this->reduce(array(Type::T_FUNCTION_CALL, $name, $args));
|
|
|
+ }
|
|
|
+ protected static $libIf = array('condition', 'if-true', 'if-false');
|
|
|
+ protected function libIf($args)
|
|
|
+ {
|
|
|
+ list($cond, $t, $f) = $args;
|
|
|
+ if (!$this->isTruthy($this->reduce($cond, true))) {
|
|
|
+ return $this->reduce($f, true);
|
|
|
+ }
|
|
|
+ return $this->reduce($t, true);
|
|
|
+ }
|
|
|
+ protected static $libIndex = array('list', 'value');
|
|
|
+ protected function libIndex($args)
|
|
|
+ {
|
|
|
+ list($list, $value) = $args;
|
|
|
+ if ($value[0] === Type::T_MAP) {
|
|
|
+ return self::$null;
|
|
|
+ }
|
|
|
+ if ($list[0] === Type::T_MAP || $list[0] === Type::T_STRING || $list[0] === Type::T_KEYWORD || $list[0] === Type::T_INTERPOLATE) {
|
|
|
+ $list = $this->coerceList($list, ' ');
|
|
|
+ }
|
|
|
+ if ($list[0] !== Type::T_LIST) {
|
|
|
+ return self::$null;
|
|
|
+ }
|
|
|
+ $values = array();
|
|
|
+ foreach ($list[2] as $item) {
|
|
|
+ $values[] = $this->normalizeValue($item);
|
|
|
+ }
|
|
|
+ $key = array_search($this->normalizeValue($value), $values);
|
|
|
+ return false === $key ? self::$null : $key + 1;
|
|
|
+ }
|
|
|
+ protected static $libRgb = array('red', 'green', 'blue');
|
|
|
+ protected function libRgb($args)
|
|
|
+ {
|
|
|
+ list($r, $g, $b) = $args;
|
|
|
+ return array(Type::T_COLOR, $r[1], $g[1], $b[1]);
|
|
|
+ }
|
|
|
+ protected static $libRgba = array(array('red', 'color'), 'green', 'blue', 'alpha');
|
|
|
+ protected function libRgba($args)
|
|
|
+ {
|
|
|
+ if ($color = $this->coerceColor($args[0])) {
|
|
|
+ $num = !isset($args[1]) ? $args[3] : $args[1];
|
|
|
+ $alpha = $this->assertNumber($num);
|
|
|
+ $color[4] = $alpha;
|
|
|
+ return $color;
|
|
|
+ }
|
|
|
+ list($r, $g, $b, $a) = $args;
|
|
|
+ return array(Type::T_COLOR, $r[1], $g[1], $b[1], $a[1]);
|
|
|
+ }
|
|
|
+ // helper function for adjust_color, change_color, and scale_color
|
|
|
+ protected function alterColor($args, $fn)
|
|
|
+ {
|
|
|
+ $color = $this->assertColor($args[0]);
|
|
|
+ foreach (array(1, 2, 3, 7) as $i) {
|
|
|
+ if (isset($args[$i])) {
|
|
|
+ $val = $this->assertNumber($args[$i]);
|
|
|
+ $ii = $i === 7 ? 4 : $i;
|
|
|
+ // alpha
|
|
|
+ $color[$ii] = call_user_func($fn, isset($color[$ii]) ? $color[$ii] : 0, $val, $i);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (isset($args[4]) || isset($args[5]) || isset($args[6])) {
|
|
|
+ $hsl = $this->toHSL($color[1], $color[2], $color[3]);
|
|
|
+ foreach (array(4, 5, 6) as $i) {
|
|
|
+ if (isset($args[$i])) {
|
|
|
+ $val = $this->assertNumber($args[$i]);
|
|
|
+ $hsl[$i - 3] = call_user_func($fn, $hsl[$i - 3], $val, $i);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $rgb = $this->toRGB($hsl[1], $hsl[2], $hsl[3]);
|
|
|
+ if (isset($color[4])) {
|
|
|
+ $rgb[4] = $color[4];
|
|
|
+ }
|
|
|
+ $color = $rgb;
|
|
|
+ }
|
|
|
+ return $color;
|
|
|
+ }
|
|
|
+ protected static $libAdjustColor = array('color', 'red', 'green', 'blue', 'hue', 'saturation', 'lightness', 'alpha');
|
|
|
+ protected function libAdjustColor($args)
|
|
|
+ {
|
|
|
+ return $this->alterColor($args, function ($base, $alter, $i) {
|
|
|
+ return $base + $alter;
|
|
|
+ });
|
|
|
+ }
|
|
|
+ protected static $libChangeColor = array('color', 'red', 'green', 'blue', 'hue', 'saturation', 'lightness', 'alpha');
|
|
|
+ protected function libChangeColor($args)
|
|
|
+ {
|
|
|
+ return $this->alterColor($args, function ($base, $alter, $i) {
|
|
|
+ return $alter;
|
|
|
+ });
|
|
|
+ }
|
|
|
+ protected static $libScaleColor = array('color', 'red', 'green', 'blue', 'hue', 'saturation', 'lightness', 'alpha');
|
|
|
+ protected function libScaleColor($args)
|
|
|
+ {
|
|
|
+ return $this->alterColor($args, function ($base, $scale, $i) {
|
|
|
+ // 1, 2, 3 - rgb
|
|
|
+ // 4, 5, 6 - hsl
|
|
|
+ // 7 - a
|
|
|
+ switch ($i) {
|
|
|
+ case 1:
|
|
|
+ case 2:
|
|
|
+ case 3:
|
|
|
+ $max = 255;
|
|
|
+ break;
|
|
|
+ case 4:
|
|
|
+ $max = 360;
|
|
|
+ break;
|
|
|
+ case 7:
|
|
|
+ $max = 1;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ $max = 100;
|
|
|
+ }
|
|
|
+ $scale = $scale / 100;
|
|
|
+ if ($scale < 0) {
|
|
|
+ return $base * $scale + $base;
|
|
|
+ }
|
|
|
+ return ($max - $base) * $scale + $base;
|
|
|
+ });
|
|
|
+ }
|
|
|
+ protected static $libIeHexStr = array('color');
|
|
|
+ protected function libIeHexStr($args)
|
|
|
+ {
|
|
|
+ $color = $this->coerceColor($args[0]);
|
|
|
+ $color[4] = isset($color[4]) ? round(255 * $color[4]) : 255;
|
|
|
+ return sprintf('#%02X%02X%02X%02X', $color[4], $color[1], $color[2], $color[3]);
|
|
|
+ }
|
|
|
+ protected static $libRed = array('color');
|
|
|
+ protected function libRed($args)
|
|
|
+ {
|
|
|
+ $color = $this->coerceColor($args[0]);
|
|
|
+ return $color[1];
|
|
|
+ }
|
|
|
+ protected static $libGreen = array('color');
|
|
|
+ protected function libGreen($args)
|
|
|
+ {
|
|
|
+ $color = $this->coerceColor($args[0]);
|
|
|
+ return $color[2];
|
|
|
+ }
|
|
|
+ protected static $libBlue = array('color');
|
|
|
+ protected function libBlue($args)
|
|
|
+ {
|
|
|
+ $color = $this->coerceColor($args[0]);
|
|
|
+ return $color[3];
|
|
|
+ }
|
|
|
+ protected static $libAlpha = array('color');
|
|
|
+ protected function libAlpha($args)
|
|
|
+ {
|
|
|
+ if ($color = $this->coerceColor($args[0])) {
|
|
|
+ return isset($color[4]) ? $color[4] : 1;
|
|
|
+ }
|
|
|
+ // this might be the IE function, so return value unchanged
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ protected static $libOpacity = array('color');
|
|
|
+ protected function libOpacity($args)
|
|
|
+ {
|
|
|
+ $value = $args[0];
|
|
|
+ if ($value[0] === Type::T_NUMBER) {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ return $this->libAlpha($args);
|
|
|
+ }
|
|
|
+ // mix two colors
|
|
|
+ protected static $libMix = array('color-1', 'color-2', 'weight');
|
|
|
+ protected function libMix($args)
|
|
|
+ {
|
|
|
+ list($first, $second, $weight) = $args;
|
|
|
+ $first = $this->assertColor($first);
|
|
|
+ $second = $this->assertColor($second);
|
|
|
+ if (!isset($weight)) {
|
|
|
+ $weight = 0.5;
|
|
|
+ } else {
|
|
|
+ $weight = $this->coercePercent($weight);
|
|
|
+ }
|
|
|
+ $firstAlpha = isset($first[4]) ? $first[4] : 1;
|
|
|
+ $secondAlpha = isset($second[4]) ? $second[4] : 1;
|
|
|
+ $w = $weight * 2 - 1;
|
|
|
+ $a = $firstAlpha - $secondAlpha;
|
|
|
+ $w1 = (($w * $a === -1 ? $w : ($w + $a) / (1 + $w * $a)) + 1) / 2.0;
|
|
|
+ $w2 = 1.0 - $w1;
|
|
|
+ $new = array(Type::T_COLOR, $w1 * $first[1] + $w2 * $second[1], $w1 * $first[2] + $w2 * $second[2], $w1 * $first[3] + $w2 * $second[3]);
|
|
|
+ if ($firstAlpha != 1.0 || $secondAlpha != 1.0) {
|
|
|
+ $new[] = $firstAlpha * $weight + $secondAlpha * ($weight - 1);
|
|
|
+ }
|
|
|
+ return $this->fixColor($new);
|
|
|
+ }
|
|
|
+ protected static $libHsl = array('hue', 'saturation', 'lightness');
|
|
|
+ protected function libHsl($args)
|
|
|
+ {
|
|
|
+ list($h, $s, $l) = $args;
|
|
|
+ return $this->toRGB($h[1], $s[1], $l[1]);
|
|
|
+ }
|
|
|
+ protected static $libHsla = array('hue', 'saturation', 'lightness', 'alpha');
|
|
|
+ protected function libHsla($args)
|
|
|
+ {
|
|
|
+ list($h, $s, $l, $a) = $args;
|
|
|
+ $color = $this->toRGB($h[1], $s[1], $l[1]);
|
|
|
+ $color[4] = $a[1];
|
|
|
+ return $color;
|
|
|
+ }
|
|
|
+ protected static $libHue = array('color');
|
|
|
+ protected function libHue($args)
|
|
|
+ {
|
|
|
+ $color = $this->assertColor($args[0]);
|
|
|
+ $hsl = $this->toHSL($color[1], $color[2], $color[3]);
|
|
|
+ return new Node\Number($hsl[1], 'deg');
|
|
|
+ }
|
|
|
+ protected static $libSaturation = array('color');
|
|
|
+ protected function libSaturation($args)
|
|
|
+ {
|
|
|
+ $color = $this->assertColor($args[0]);
|
|
|
+ $hsl = $this->toHSL($color[1], $color[2], $color[3]);
|
|
|
+ return new Node\Number($hsl[2], '%');
|
|
|
+ }
|
|
|
+ protected static $libLightness = array('color');
|
|
|
+ protected function libLightness($args)
|
|
|
+ {
|
|
|
+ $color = $this->assertColor($args[0]);
|
|
|
+ $hsl = $this->toHSL($color[1], $color[2], $color[3]);
|
|
|
+ return new Node\Number($hsl[3], '%');
|
|
|
+ }
|
|
|
+ protected function adjustHsl($color, $idx, $amount)
|
|
|
+ {
|
|
|
+ $hsl = $this->toHSL($color[1], $color[2], $color[3]);
|
|
|
+ $hsl[$idx] += $amount;
|
|
|
+ $out = $this->toRGB($hsl[1], $hsl[2], $hsl[3]);
|
|
|
+ if (isset($color[4])) {
|
|
|
+ $out[4] = $color[4];
|
|
|
+ }
|
|
|
+ return $out;
|
|
|
+ }
|
|
|
+ protected static $libAdjustHue = array('color', 'degrees');
|
|
|
+ protected function libAdjustHue($args)
|
|
|
+ {
|
|
|
+ $color = $this->assertColor($args[0]);
|
|
|
+ $degrees = $this->assertNumber($args[1]);
|
|
|
+ return $this->adjustHsl($color, 1, $degrees);
|
|
|
+ }
|
|
|
+ protected static $libLighten = array('color', 'amount');
|
|
|
+ protected function libLighten($args)
|
|
|
+ {
|
|
|
+ $color = $this->assertColor($args[0]);
|
|
|
+ $amount = Util::checkRange('amount', new Range(0, 100), $args[1], '%');
|
|
|
+ return $this->adjustHsl($color, 3, $amount);
|
|
|
+ }
|
|
|
+ protected static $libDarken = array('color', 'amount');
|
|
|
+ protected function libDarken($args)
|
|
|
+ {
|
|
|
+ $color = $this->assertColor($args[0]);
|
|
|
+ $amount = Util::checkRange('amount', new Range(0, 100), $args[1], '%');
|
|
|
+ return $this->adjustHsl($color, 3, -$amount);
|
|
|
+ }
|
|
|
+ protected static $libSaturate = array('color', 'amount');
|
|
|
+ protected function libSaturate($args)
|
|
|
+ {
|
|
|
+ $value = $args[0];
|
|
|
+ if ($value[0] === Type::T_NUMBER) {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ $color = $this->assertColor($value);
|
|
|
+ $amount = 100 * $this->coercePercent($args[1]);
|
|
|
+ return $this->adjustHsl($color, 2, $amount);
|
|
|
+ }
|
|
|
+ protected static $libDesaturate = array('color', 'amount');
|
|
|
+ protected function libDesaturate($args)
|
|
|
+ {
|
|
|
+ $color = $this->assertColor($args[0]);
|
|
|
+ $amount = 100 * $this->coercePercent($args[1]);
|
|
|
+ return $this->adjustHsl($color, 2, -$amount);
|
|
|
+ }
|
|
|
+ protected static $libGrayscale = array('color');
|
|
|
+ protected function libGrayscale($args)
|
|
|
+ {
|
|
|
+ $value = $args[0];
|
|
|
+ if ($value[0] === Type::T_NUMBER) {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ return $this->adjustHsl($this->assertColor($value), 2, -100);
|
|
|
+ }
|
|
|
+ protected static $libComplement = array('color');
|
|
|
+ protected function libComplement($args)
|
|
|
+ {
|
|
|
+ return $this->adjustHsl($this->assertColor($args[0]), 1, 180);
|
|
|
+ }
|
|
|
+ protected static $libInvert = array('color');
|
|
|
+ protected function libInvert($args)
|
|
|
+ {
|
|
|
+ $value = $args[0];
|
|
|
+ if ($value[0] === Type::T_NUMBER) {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ $color = $this->assertColor($value);
|
|
|
+ $color[1] = 255 - $color[1];
|
|
|
+ $color[2] = 255 - $color[2];
|
|
|
+ $color[3] = 255 - $color[3];
|
|
|
+ return $color;
|
|
|
+ }
|
|
|
+ // increases opacity by amount
|
|
|
+ protected static $libOpacify = array('color', 'amount');
|
|
|
+ protected function libOpacify($args)
|
|
|
+ {
|
|
|
+ $color = $this->assertColor($args[0]);
|
|
|
+ $amount = $this->coercePercent($args[1]);
|
|
|
+ $color[4] = (isset($color[4]) ? $color[4] : 1) + $amount;
|
|
|
+ $color[4] = min(1, max(0, $color[4]));
|
|
|
+ return $color;
|
|
|
+ }
|
|
|
+ protected static $libFadeIn = array('color', 'amount');
|
|
|
+ protected function libFadeIn($args)
|
|
|
+ {
|
|
|
+ return $this->libOpacify($args);
|
|
|
+ }
|
|
|
+ // decreases opacity by amount
|
|
|
+ protected static $libTransparentize = array('color', 'amount');
|
|
|
+ protected function libTransparentize($args)
|
|
|
+ {
|
|
|
+ $color = $this->assertColor($args[0]);
|
|
|
+ $amount = $this->coercePercent($args[1]);
|
|
|
+ $color[4] = (isset($color[4]) ? $color[4] : 1) - $amount;
|
|
|
+ $color[4] = min(1, max(0, $color[4]));
|
|
|
+ return $color;
|
|
|
+ }
|
|
|
+ protected static $libFadeOut = array('color', 'amount');
|
|
|
+ protected function libFadeOut($args)
|
|
|
+ {
|
|
|
+ return $this->libTransparentize($args);
|
|
|
+ }
|
|
|
+ protected static $libUnquote = array('string');
|
|
|
+ protected function libUnquote($args)
|
|
|
+ {
|
|
|
+ $str = $args[0];
|
|
|
+ if ($str[0] === Type::T_STRING) {
|
|
|
+ $str[1] = '';
|
|
|
+ }
|
|
|
+ return $str;
|
|
|
+ }
|
|
|
+ protected static $libQuote = array('string');
|
|
|
+ protected function libQuote($args)
|
|
|
+ {
|
|
|
+ $value = $args[0];
|
|
|
+ if ($value[0] === Type::T_STRING && !empty($value[1])) {
|
|
|
+ return $value;
|
|
|
+ }
|
|
|
+ return array(Type::T_STRING, '"', array($value));
|
|
|
+ }
|
|
|
+ protected static $libPercentage = array('value');
|
|
|
+ protected function libPercentage($args)
|
|
|
+ {
|
|
|
+ return new Node\Number($this->coercePercent($args[0]) * 100, '%');
|
|
|
+ }
|
|
|
+ protected static $libRound = array('value');
|
|
|
+ protected function libRound($args)
|
|
|
+ {
|
|
|
+ $num = $args[0];
|
|
|
+ $num[1] = round($num[1]);
|
|
|
+ return $num;
|
|
|
+ }
|
|
|
+ protected static $libFloor = array('value');
|
|
|
+ protected function libFloor($args)
|
|
|
+ {
|
|
|
+ $num = $args[0];
|
|
|
+ $num[1] = floor($num[1]);
|
|
|
+ return $num;
|
|
|
+ }
|
|
|
+ protected static $libCeil = array('value');
|
|
|
+ protected function libCeil($args)
|
|
|
+ {
|
|
|
+ $num = $args[0];
|
|
|
+ $num[1] = ceil($num[1]);
|
|
|
+ return $num;
|
|
|
+ }
|
|
|
+ protected static $libAbs = array('value');
|
|
|
+ protected function libAbs($args)
|
|
|
+ {
|
|
|
+ $num = $args[0];
|
|
|
+ $num[1] = abs($num[1]);
|
|
|
+ return $num;
|
|
|
+ }
|
|
|
+ protected function libMin($args)
|
|
|
+ {
|
|
|
+ $numbers = $this->getNormalizedNumbers($args);
|
|
|
+ $min = null;
|
|
|
+ foreach ($numbers as $key => $number) {
|
|
|
+ if (null === $min || $number[1] <= $min[1]) {
|
|
|
+ $min = array($key, $number[1]);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $args[$min[0]];
|
|
|
+ }
|
|
|
+ protected function libMax($args)
|
|
|
+ {
|
|
|
+ $numbers = $this->getNormalizedNumbers($args);
|
|
|
+ $max = null;
|
|
|
+ foreach ($numbers as $key => $number) {
|
|
|
+ if (null === $max || $number[1] >= $max[1]) {
|
|
|
+ $max = array($key, $number[1]);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $args[$max[0]];
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Helper to normalize args containing numbers
|
|
|
+ *
|
|
|
+ * @param array $args
|
|
|
+ *
|
|
|
+ * @return array
|
|
|
+ */
|
|
|
+ protected function getNormalizedNumbers($args)
|
|
|
+ {
|
|
|
+ $unit = null;
|
|
|
+ $originalUnit = null;
|
|
|
+ $numbers = array();
|
|
|
+ foreach ($args as $key => $item) {
|
|
|
+ if ($item[0] !== Type::T_NUMBER) {
|
|
|
+ $this->throwError('%s is not a number', $item[0]);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $number = $item->normalize();
|
|
|
+ if (null === $unit) {
|
|
|
+ $unit = $number[2];
|
|
|
+ $originalUnit = $item->unitStr();
|
|
|
+ } elseif ($unit !== $number[2]) {
|
|
|
+ $this->throwError('Incompatible units: "%s" and "%s".', $originalUnit, $item->unitStr());
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ $numbers[$key] = $number;
|
|
|
+ }
|
|
|
+ return $numbers;
|
|
|
+ }
|
|
|
+ protected static $libLength = array('list');
|
|
|
+ protected function libLength($args)
|
|
|
+ {
|
|
|
+ $list = $this->coerceList($args[0]);
|
|
|
+ return count($list[2]);
|
|
|
+ }
|
|
|
+ //protected static $libListSeparator = ['list...'];
|
|
|
+ protected function libListSeparator($args)
|
|
|
+ {
|
|
|
+ if (count($args) > 1) {
|
|
|
+ return 'comma';
|
|
|
+ }
|
|
|
+ $list = $this->coerceList($args[0]);
|
|
|
+ if (count($list[2]) <= 1) {
|
|
|
+ return 'space';
|
|
|
+ }
|
|
|
+ if ($list[1] === ',') {
|
|
|
+ return 'comma';
|
|
|
+ }
|
|
|
+ return 'space';
|
|
|
+ }
|
|
|
+ protected static $libNth = array('list', 'n');
|
|
|
+ protected function libNth($args)
|
|
|
+ {
|
|
|
+ $list = $this->coerceList($args[0]);
|
|
|
+ $n = $this->assertNumber($args[1]);
|
|
|
+ if ($n > 0) {
|
|
|
+ $n--;
|
|
|
+ } elseif ($n < 0) {
|
|
|
+ $n += count($list[2]);
|
|
|
+ }
|
|
|
+ return isset($list[2][$n]) ? $list[2][$n] : self::$defaultValue;
|
|
|
+ }
|
|
|
+ protected static $libSetNth = array('list', 'n', 'value');
|
|
|
+ protected function libSetNth($args)
|
|
|
+ {
|
|
|
+ $list = $this->coerceList($args[0]);
|
|
|
+ $n = $this->assertNumber($args[1]);
|
|
|
+ if ($n > 0) {
|
|
|
+ $n--;
|
|
|
+ } elseif ($n < 0) {
|
|
|
+ $n += count($list[2]);
|
|
|
+ }
|
|
|
+ if (!isset($list[2][$n])) {
|
|
|
+ $this->throwError('Invalid argument for "n"');
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ $list[2][$n] = $args[2];
|
|
|
+ return $list;
|
|
|
+ }
|
|
|
+ protected static $libMapGet = array('map', 'key');
|
|
|
+ protected function libMapGet($args)
|
|
|
+ {
|
|
|
+ $map = $this->assertMap($args[0]);
|
|
|
+ $key = $this->compileStringContent($this->coerceString($args[1]));
|
|
|
+ for ($i = count($map[1]) - 1; $i >= 0; $i--) {
|
|
|
+ if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) {
|
|
|
+ return $map[2][$i];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return self::$null;
|
|
|
+ }
|
|
|
+ protected static $libMapKeys = array('map');
|
|
|
+ protected function libMapKeys($args)
|
|
|
+ {
|
|
|
+ $map = $this->assertMap($args[0]);
|
|
|
+ $keys = $map[1];
|
|
|
+ return array(Type::T_LIST, ',', $keys);
|
|
|
+ }
|
|
|
+ protected static $libMapValues = array('map');
|
|
|
+ protected function libMapValues($args)
|
|
|
+ {
|
|
|
+ $map = $this->assertMap($args[0]);
|
|
|
+ $values = $map[2];
|
|
|
+ return array(Type::T_LIST, ',', $values);
|
|
|
+ }
|
|
|
+ protected static $libMapRemove = array('map', 'key');
|
|
|
+ protected function libMapRemove($args)
|
|
|
+ {
|
|
|
+ $map = $this->assertMap($args[0]);
|
|
|
+ $key = $this->compileStringContent($this->coerceString($args[1]));
|
|
|
+ for ($i = count($map[1]) - 1; $i >= 0; $i--) {
|
|
|
+ if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) {
|
|
|
+ array_splice($map[1], $i, 1);
|
|
|
+ array_splice($map[2], $i, 1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $map;
|
|
|
+ }
|
|
|
+ protected static $libMapHasKey = array('map', 'key');
|
|
|
+ protected function libMapHasKey($args)
|
|
|
+ {
|
|
|
+ $map = $this->assertMap($args[0]);
|
|
|
+ $key = $this->compileStringContent($this->coerceString($args[1]));
|
|
|
+ for ($i = count($map[1]) - 1; $i >= 0; $i--) {
|
|
|
+ if ($key === $this->compileStringContent($this->coerceString($map[1][$i]))) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ protected static $libMapMerge = array('map-1', 'map-2');
|
|
|
+ protected function libMapMerge($args)
|
|
|
+ {
|
|
|
+ $map1 = $this->assertMap($args[0]);
|
|
|
+ $map2 = $this->assertMap($args[1]);
|
|
|
+ return array(Type::T_MAP, array_merge($map1[1], $map2[1]), array_merge($map1[2], $map2[2]));
|
|
|
+ }
|
|
|
+ protected static $libKeywords = array('args');
|
|
|
+ protected function libKeywords($args)
|
|
|
+ {
|
|
|
+ $this->assertList($args[0]);
|
|
|
+ $keys = array();
|
|
|
+ $values = array();
|
|
|
+ foreach ($args[0][2] as $name => $arg) {
|
|
|
+ $keys[] = array(Type::T_KEYWORD, $name);
|
|
|
+ $values[] = $arg;
|
|
|
+ }
|
|
|
+ return array(Type::T_MAP, $keys, $values);
|
|
|
+ }
|
|
|
+ protected function listSeparatorForJoin($list1, $sep)
|
|
|
+ {
|
|
|
+ if (!isset($sep)) {
|
|
|
+ return $list1[1];
|
|
|
+ }
|
|
|
+ switch ($this->compileValue($sep)) {
|
|
|
+ case 'comma':
|
|
|
+ return ',';
|
|
|
+ case 'space':
|
|
|
+ return '';
|
|
|
+ default:
|
|
|
+ return $list1[1];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ protected static $libJoin = array('list1', 'list2', 'separator');
|
|
|
+ protected function libJoin($args)
|
|
|
+ {
|
|
|
+ list($list1, $list2, $sep) = $args;
|
|
|
+ $list1 = $this->coerceList($list1, ' ');
|
|
|
+ $list2 = $this->coerceList($list2, ' ');
|
|
|
+ $sep = $this->listSeparatorForJoin($list1, $sep);
|
|
|
+ return array(Type::T_LIST, $sep, array_merge($list1[2], $list2[2]));
|
|
|
+ }
|
|
|
+ protected static $libAppend = array('list', 'val', 'separator');
|
|
|
+ protected function libAppend($args)
|
|
|
+ {
|
|
|
+ list($list1, $value, $sep) = $args;
|
|
|
+ $list1 = $this->coerceList($list1, ' ');
|
|
|
+ $sep = $this->listSeparatorForJoin($list1, $sep);
|
|
|
+ return array(Type::T_LIST, $sep, array_merge($list1[2], array($value)));
|
|
|
+ }
|
|
|
+ protected function libZip($args)
|
|
|
+ {
|
|
|
+ foreach ($args as $arg) {
|
|
|
+ $this->assertList($arg);
|
|
|
+ }
|
|
|
+ $lists = array();
|
|
|
+ $firstList = array_shift($args);
|
|
|
+ foreach ($firstList[2] as $key => $item) {
|
|
|
+ $list = array(Type::T_LIST, '', array($item));
|
|
|
+ foreach ($args as $arg) {
|
|
|
+ if (isset($arg[2][$key])) {
|
|
|
+ $list[2][] = $arg[2][$key];
|
|
|
+ } else {
|
|
|
+ break 2;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $lists[] = $list;
|
|
|
+ }
|
|
|
+ return array(Type::T_LIST, ',', $lists);
|
|
|
+ }
|
|
|
+ protected static $libTypeOf = array('value');
|
|
|
+ protected function libTypeOf($args)
|
|
|
+ {
|
|
|
+ $value = $args[0];
|
|
|
+ switch ($value[0]) {
|
|
|
+ case Type::T_KEYWORD:
|
|
|
+ if ($value === self::$true || $value === self::$false) {
|
|
|
+ return 'bool';
|
|
|
+ }
|
|
|
+ if ($this->coerceColor($value)) {
|
|
|
+ return 'color';
|
|
|
+ }
|
|
|
+ // fall-thru
|
|
|
+ case Type::T_FUNCTION:
|
|
|
+ return 'string';
|
|
|
+ case Type::T_LIST:
|
|
|
+ if (isset($value[3]) && $value[3]) {
|
|
|
+ return 'arglist';
|
|
|
+ }
|
|
|
+ // fall-thru
|
|
|
+ default:
|
|
|
+ return $value[0];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ protected static $libUnit = array('number');
|
|
|
+ protected function libUnit($args)
|
|
|
+ {
|
|
|
+ $num = $args[0];
|
|
|
+ if ($num[0] === Type::T_NUMBER) {
|
|
|
+ return array(Type::T_STRING, '"', array($num->unitStr()));
|
|
|
+ }
|
|
|
+ return '';
|
|
|
+ }
|
|
|
+ protected static $libUnitless = array('number');
|
|
|
+ protected function libUnitless($args)
|
|
|
+ {
|
|
|
+ $value = $args[0];
|
|
|
+ return $value[0] === Type::T_NUMBER && $value->unitless();
|
|
|
+ }
|
|
|
+ protected static $libComparable = array('number-1', 'number-2');
|
|
|
+ protected function libComparable($args)
|
|
|
+ {
|
|
|
+ list($number1, $number2) = $args;
|
|
|
+ if (!isset($number1[0]) || $number1[0] !== Type::T_NUMBER || !isset($number2[0]) || $number2[0] !== Type::T_NUMBER) {
|
|
|
+ $this->throwError('Invalid argument(s) for "comparable"');
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ $number1 = $number1->normalize();
|
|
|
+ $number2 = $number2->normalize();
|
|
|
+ return $number1[2] === $number2[2] || $number1->unitless() || $number2->unitless();
|
|
|
+ }
|
|
|
+ protected static $libStrIndex = array('string', 'substring');
|
|
|
+ protected function libStrIndex($args)
|
|
|
+ {
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $stringContent = $this->compileStringContent($string);
|
|
|
+ $substring = $this->coerceString($args[1]);
|
|
|
+ $substringContent = $this->compileStringContent($substring);
|
|
|
+ $result = strpos($stringContent, $substringContent);
|
|
|
+ return $result === false ? self::$null : new Node\Number($result + 1, '');
|
|
|
+ }
|
|
|
+ protected static $libStrInsert = array('string', 'insert', 'index');
|
|
|
+ protected function libStrInsert($args)
|
|
|
+ {
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $stringContent = $this->compileStringContent($string);
|
|
|
+ $insert = $this->coerceString($args[1]);
|
|
|
+ $insertContent = $this->compileStringContent($insert);
|
|
|
+ list(, $index) = $args[2];
|
|
|
+ $string[2] = array(substr_replace($stringContent, $insertContent, $index - 1, 0));
|
|
|
+ return $string;
|
|
|
+ }
|
|
|
+ protected static $libStrLength = array('string');
|
|
|
+ protected function libStrLength($args)
|
|
|
+ {
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $stringContent = $this->compileStringContent($string);
|
|
|
+ return new Node\Number(strlen($stringContent), '');
|
|
|
+ }
|
|
|
+ protected static $libStrSlice = array('string', 'start-at', 'end-at');
|
|
|
+ protected function libStrSlice($args)
|
|
|
+ {
|
|
|
+ if (isset($args[2]) && $args[2][1] == 0) {
|
|
|
+ return self::$nullString;
|
|
|
+ }
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $stringContent = $this->compileStringContent($string);
|
|
|
+ $start = (int) $args[1][1];
|
|
|
+ if ($start > 0) {
|
|
|
+ $start--;
|
|
|
+ }
|
|
|
+ $end = (int) $args[2][1];
|
|
|
+ $length = $end < 0 ? $end + 1 : ($end > 0 ? $end - $start : $end);
|
|
|
+ $string[2] = $length ? array(substr($stringContent, $start, $length)) : array(substr($stringContent, $start));
|
|
|
+ return $string;
|
|
|
+ }
|
|
|
+ protected static $libToLowerCase = array('string');
|
|
|
+ protected function libToLowerCase($args)
|
|
|
+ {
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $stringContent = $this->compileStringContent($string);
|
|
|
+ $string[2] = array(mb_strtolower($stringContent));
|
|
|
+ return $string;
|
|
|
+ }
|
|
|
+ protected static $libToUpperCase = array('string');
|
|
|
+ protected function libToUpperCase($args)
|
|
|
+ {
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $stringContent = $this->compileStringContent($string);
|
|
|
+ $string[2] = array(mb_strtoupper($stringContent));
|
|
|
+ return $string;
|
|
|
+ }
|
|
|
+ protected static $libFeatureExists = array('feature');
|
|
|
+ protected function libFeatureExists($args)
|
|
|
+ {
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $name = $this->compileStringContent($string);
|
|
|
+ return $this->toBool(array_key_exists($name, $this->registeredFeatures) ? $this->registeredFeatures[$name] : false);
|
|
|
+ }
|
|
|
+ protected static $libFunctionExists = array('name');
|
|
|
+ protected function libFunctionExists($args)
|
|
|
+ {
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $name = $this->compileStringContent($string);
|
|
|
+ // user defined functions
|
|
|
+ if ($this->has(self::$namespaces['function'] . $name)) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ $name = $this->normalizeName($name);
|
|
|
+ if (isset($this->userFunctions[$name])) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ // built-in functions
|
|
|
+ $f = $this->getBuiltinFunction($name);
|
|
|
+ return $this->toBool(is_callable($f));
|
|
|
+ }
|
|
|
+ protected static $libGlobalVariableExists = array('name');
|
|
|
+ protected function libGlobalVariableExists($args)
|
|
|
+ {
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $name = $this->compileStringContent($string);
|
|
|
+ return $this->has($name, $this->rootEnv);
|
|
|
+ }
|
|
|
+ protected static $libMixinExists = array('name');
|
|
|
+ protected function libMixinExists($args)
|
|
|
+ {
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $name = $this->compileStringContent($string);
|
|
|
+ return $this->has(self::$namespaces['mixin'] . $name);
|
|
|
+ }
|
|
|
+ protected static $libVariableExists = array('name');
|
|
|
+ protected function libVariableExists($args)
|
|
|
+ {
|
|
|
+ $string = $this->coerceString($args[0]);
|
|
|
+ $name = $this->compileStringContent($string);
|
|
|
+ return $this->has($name);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Workaround IE7's content counter bug.
|
|
|
+ *
|
|
|
+ * @param array $args
|
|
|
+ */
|
|
|
+ protected function libCounter($args)
|
|
|
+ {
|
|
|
+ $list = array_map(array($this, 'compileValue'), $args);
|
|
|
+ return array(Type::T_STRING, '', array('counter(' . implode(',', $list) . ')'));
|
|
|
+ }
|
|
|
+ protected static $libRandom = array('limit');
|
|
|
+ protected function libRandom($args)
|
|
|
+ {
|
|
|
+ if (isset($args[0])) {
|
|
|
+ $n = $this->assertNumber($args[0]);
|
|
|
+ if ($n < 1) {
|
|
|
+ $this->throwError('limit must be greater than or equal to 1');
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ return new Node\Number(mt_rand(1, $n), '');
|
|
|
+ }
|
|
|
+ return new Node\Number(mt_rand(1, mt_getrandmax()), '');
|
|
|
+ }
|
|
|
+ protected function libUniqueId()
|
|
|
+ {
|
|
|
+ static $id;
|
|
|
+ if (!isset($id)) {
|
|
|
+ $id = mt_rand(0, pow(36, 8));
|
|
|
+ }
|
|
|
+ $id += mt_rand(0, 10) + 1;
|
|
|
+ return array(Type::T_STRING, '', array('u' . str_pad(base_convert($id, 10, 36), 8, '0', STR_PAD_LEFT)));
|
|
|
+ }
|
|
|
+ protected static $libInspect = array('value');
|
|
|
+ protected function libInspect($args)
|
|
|
+ {
|
|
|
+ if ($args[0] === self::$null) {
|
|
|
+ return array(Type::T_KEYWORD, 'null');
|
|
|
+ }
|
|
|
+ return $args[0];
|
|
|
+ }
|
|
|
+}
|
dflaven