/**
* Visits a ruleset node
*
* @param ILess_Node_Ruleset $node The node
* @param ILess_Visitor_Arguments $arguments The arguments
*/
public function visitRuleset(ILess_Node_Ruleset $node, ILess_Visitor_Arguments $arguments)
{
$paths = array();
if (!$node->root) {
$selectors = array();
foreach ($node->selectors as $selector) {
if ($selector->getIsOutput()) {
$selectors[] = $selector;
}
}
if (!count($selectors)) {
$node->selectors = array();
$node->rules = array();
} else {
$context = end($this->contexts);
$paths = $node->joinSelectors($context, $selectors);
}
$node->paths = $paths;
}
$this->contexts[] = $paths;
}
/**
* Generates the CSS
*
* @param ILess_Environment $env
* @return string
*/
public function generateCSS(ILess_Environment $env)
{
$output = new ILess_Output_Mapped($this->contentsMap, $this);
// catch the output
$this->root->generateCSS($env, $output);
// prepare sources
foreach ($this->contentsMap as $filename => $contents) {
// match md5 hash in square brackets _[#HASH#]_
// see ILess_Parser_Core::parseString()
if (preg_match('/(\\[__[0-9a-f]{32}__\\])+$/', $filename)) {
$filename = substr($filename, 0, -38);
}
$this->sources[$this->normalizeFilename($filename)] = $contents;
}
$sourceMapUrl = null;
if ($url = $this->getOption('url')) {
$sourceMapUrl = $url;
} elseif ($path = $this->getOption('filename')) {
$sourceMapUrl = $this->normalizeFilename($path);
// naming conventions, make it foobar.css.map
if (!preg_match('/\\.map$/', $sourceMapUrl)) {
$sourceMapUrl = sprintf('%s.map', $sourceMapUrl);
}
}
$sourceMapContent = $this->generateJson();
// write map to a file
if ($file = $this->getOption('write_to')) {
// FIXME: should this happen here?
$this->saveMap($file, $sourceMapContent);
} else {
$sourceMapUrl = sprintf('data:application/json,%s', ILess_Util::encodeURIComponent($sourceMapContent));
}
if ($sourceMapUrl) {
$output->add(sprintf('/*# sourceMappingURL=%s */', $sourceMapUrl));
}
return $output->toString();
}
/**
* @covers getType
*/
public function testGetType()
{
$r = new ILess_Node_Ruleset(array(new ILess_Node_Element(' ', 'foobar')), array());
$this->assertEquals('Ruleset', $r->getType());
}
/**
* @see ILess_Node
*/
public function compile(ILess_Environment $env, $arguments = null, $important = null)
{
if ($this->skip) {
return array();
}
if ($this->getOption('inline')) {
// FIXME: this section is marked as "todo" in less.js project
// see: lib/less/tree/import.js
// original comment: todo needs to reference css file not import
// $this->root is string here!
$contents = new ILess_Node_Anonymous($this->root, 0, new ILess_FileInfo(array('filename' => $this->importedFilename)), true);
return $this->features ? new ILess_Node_Media(array($contents), $this->features->value) : array($contents);
} elseif ($this->css) {
$features = $this->features ? $this->features->compile($env) : null;
$import = new ILess_Node_Import($this->compilePath($env), $features, $this->options, $this->index);
if (!$import->css && $import->hasError()) {
throw $import->getError();
}
return $import;
} else {
$ruleset = new ILess_Node_Ruleset(array(), $this->root ? $this->root->rules : array());
$ruleset->compileImports($env);
return $this->features ? new ILess_Node_Media($ruleset->rules, $this->features->value) : $ruleset->rules;
}
}
/**
* Compile parameters
*
* @param ILess_Environment $env The environment
* @param ILess_Environment $mixinEnv The mixin environment
* @param array $arguments Array of arguments
* @param array $compiledArguments The compiled arguments
*/
public function compileParams(ILess_Environment $env, ILess_Environment $mixinEnv, $arguments = array(), array &$compiledArguments = array())
{
$frame = new ILess_Node_Ruleset(array(), array());
$params = $this->params;
// create a copy of mixin environment
$mixinEnv = ILess_Environment::createCopy($mixinEnv, array_merge(array($frame), $mixinEnv->frames));
for ($i = 0; $i < count($arguments); $i++) {
$arg = $arguments[$i];
if ($name = $arg['name']) {
$isNamedFound = false;
foreach ($params as $j => $param) {
if (!isset($compiledArguments[$j]) && $name === $params[$j]['name']) {
$compiledArguments[$j] = $arg['value']->compile($env);
array_unshift($frame->rules, new ILess_Node_Rule($name, $arg['value']->compile($env)));
$isNamedFound = true;
break;
}
}
if ($isNamedFound) {
array_splice($arguments, $i, 1);
$i--;
continue;
} else {
throw new ILess_Exception_Compiler(sprintf('The named argument for `%s` %s was not found.', $this->name, $arguments[$i]['name']));
}
}
}
$argIndex = 0;
foreach ($params as $i => $param) {
if (array_key_exists($i, $compiledArguments)) {
continue;
}
$arg = null;
if (array_key_exists($argIndex, $arguments)) {
$arg = $arguments[$argIndex];
}
if (isset($param['name']) && ($name = $param['name'])) {
if (isset($param['variadic']) && $arguments) {
$varArgs = array();
for ($j = $argIndex, $count = count($arguments); $j < $count; $j++) {
$varArgs[] = $arguments[$j]['value']->compile($env);
}
$expression = new ILess_Node_Expression($varArgs);
array_unshift($frame->rules, new ILess_Node_Rule($name, $expression->compile($env)));
} else {
$val = $arg && $arg['value'] ? $arg['value'] : false;
if ($val) {
$val = $val->compile($env);
} elseif (isset($param['value'])) {
$val = $param['value']->compile($mixinEnv);
$frame->resetCache();
} else {
throw new ILess_Exception_Compiler(sprintf('Wrong number of arguments for `%s` (%s for %s)', $this->name, count($arguments), $this->arity));
}
array_unshift($frame->rules, new ILess_Node_Rule($name, $val));
$compiledArguments[$i] = $val;
}
}
if (isset($param['variadic']) && $arguments) {
for ($j = $argIndex, $count = count($arguments); $j < $count; $j++) {
$compiledArguments[$j] = $arguments[$j]['value']->compile($env);
}
}
$argIndex++;
}
ksort($compiledArguments);
return $frame;
}
/**
* Visits a ruleset node
*
* @param ILess_Node_Ruleset $node The node
* @param ILess_Visitor_Arguments $arguments The arguments
* @return array|ILess_Node_Ruleset
*/
public function visitRuleset(ILess_Node_Ruleset $node, ILess_Visitor_Arguments $arguments)
{
$arguments->visitDeeper = false;
$rulesets = array();
if ($node->firstRoot) {
$this->checkPropertiesInRoot($node->rules);
}
if (!$node->root) {
$paths = array();
foreach ($node->paths as $p) {
if ($p[0]->elements[0]->combinator->value === ' ') {
$p[0]->elements[0]->combinator = new ILess_Node_Combinator('');
}
if ($p[0]->getIsReferenced() && $p[0]->getIsOutput()) {
$paths[] = $p;
}
}
$node->paths = $paths;
// Compile rules and rulesets
for ($i = 0, $count = count($node->rules); $i < $count;) {
$rule = $node->rules[$i];
//if ($rule instanceof ILess_Node_Rule || $rule instanceof ILess_Node_Ruleset) {
//if ($rule instanceof ILess_Node_Ruleset) {
if (ILess_Node::propertyExists($rule, 'rules')) {
// visit because we are moving them out from being a child
$rulesets[] = $this->visit($rule);
array_splice($node->rules, $i, 1);
$count--;
continue;
}
$i++;
}
// accept the visitor to remove rules and refactor itself
// then we can decide now whether we want it or not
if ($count > 0) {
$node->accept($this);
$count = count($node->rules);
if ($count > 0) {
if ($count > 1) {
$this->mergeRules($node->rules);
$this->removeDuplicateRules($node->rules);
}
// now decide whether we keep the ruleset
if (count($node->paths) > 0) {
array_splice($rulesets, 0, 0, array($node));
}
}
} else {
$node->rules = array();
}
} else {
$node->accept($this);
$arguments->visitDeeper = false;
if ($node->firstRoot || count($node->rules) > 0) {
array_splice($rulesets, 0, 0, array($node));
}
}
if (count($rulesets) === 1) {
return $rulesets[0];
}
return $rulesets;
}
