Defines the context that the parser is operating in and so allows variables
to be scoped.
A new context is created for Mixins and imported files.
/**
* Parse this node.
* Set passed arguments and any optional arguments not passed to their
* defaults, then render the children of the mixin definition.
* @param SassContext the context in which this node is parsed
* @return array the parsed node
*/
public function parse($pcontext)
{
$mixin = $pcontext->getMixin($this->name);
$context = new SassContext($pcontext);
$argc = count($this->args);
$count = 0;
foreach ($mixin->args as $name => $value) {
if ($count < $argc) {
$context->setVariable($name, $this->evaluate($this->args[$count++], $context));
} elseif (!is_null($value)) {
$context->setVariable($name, $this->evaluate($value, $context));
} else {
throw new SassMixinNodeException("Mixin::{mname}: Required variable ({vname}) not given.\nMixin defined: {dfile}::{dline}\nMixin used", array('{vname}' => $name, '{mname}' => $this->name, '{dfile}' => $mixin->token->filename, '{dline}' => $mixin->token->line), $this);
}
}
// foreach
$children = array();
foreach ($mixin->children as $child) {
$child->parent = $this;
$children = array_merge($children, $child->parse($context));
}
// foreach
//$context->merge();
return $children;
}
/**
* Parse this node.
* Sets the variable in the current context.
* @param SassContext $context the context in which this node is parsed
* @return array the parsed node - an empty array
*/
public function parse($context)
{
if (!$this->isDefault || !$context->hasVariable($this->name)) {
$context->setVariable($this->name, $this->evaluate($this->value, $context));
}
$this->parseChildren($context);
// Parse any warnings
return array();
}
/**
* Parse this node.
* Set passed arguments and any optional arguments not passed to their
* defaults, then render the children of the return definition.
* @param SassContext the context in which this node is parsed
* @return array the parsed node
*/
public function parse($pcontext)
{
$return = $this;
$context = new SassContext($pcontext);
$children = array();
foreach ($context->getContent() as $child) {
$child->parent = $this->parent;
$children = array_merge($children, $child->parse($pcontext));
}
return $children;
}
/**
* Parse this node.
* Set passed arguments and any optional arguments not passed to their
* defaults, then render the children of the mixin definition.
* @param SassContext $pcontext the context in which this node is parsed
* @return array the parsed node
*/
public function parse($pcontext)
{
$mixin = $pcontext->getMixin($this->name);
$context = new SassContext($pcontext);
$context->content = $this->children;
$argc = count($this->args);
$count = 0;
$args = SassScriptFunction::extractArgs($this->args, false, $context);
list($arguments) = SassScriptFunction::fill_parameters($mixin->args, $args, $context, $this);
$context->setVariables($arguments);
$children = array();
foreach ($mixin->children as $child) {
/** @var $child SassNode */
$child->parent = $this;
$children = array_merge($children, $child->parse($context));
}
// $context->merge();
return $children;
}
/**
* Parse this node.
* Set any attributes passed and any optional arguments not passed to their
* defaults, then render the children of the mixin definition.
* @param SassContext the context in which this node is parsed
* @return array the parsed node
*/
public function parse($context)
{
$mixin = $context->getMixin($this->name);
$context = new SassContext($context);
foreach ($mixin->args as $n => $name) {
if (isset($this->args[$n])) {
$context->setVariable($name, $this->evaluate($this->args[$n], $context));
} elseif ($mixin->hasDefault($name)) {
$context->setVariable($name, $this->evaluate($mixin->getDefault($name), $context));
} else {
throw new SassMixinNodeException("Required variable - {$name} - not given when using Mixin::{$this->name}\nMixin used at Line {$this->line['number']}: " . (is_array($this->line['file']) ? join(DIRECTORY_SEPARATOR, $this->line['file']) : '') . "\nMixin defined at Line {$mixin->line['number']}: " . (is_array($mixin->line['file']) ? join(DIRECTORY_SEPARATOR, $mixin->line['file']) : ''));
}
}
// foreach
$children = array();
foreach ($mixin->children as $child) {
$child->parent = $this;
$children = array_merge($children, $child->parse($context));
}
// foreach
$context->merge();
return $children;
}
/**
* Parse this node.
* @param SassContext the context in which this node is parsed
* @return array parsed child nodes
*/
public function parse($context)
{
$children = array();
$from = $this->evaluate($this->from, $context);
$to = $this->evaluate($this->to, $context);
$step = $this->evaluate($this->step, $context) * ($to > $from ? 1 : -1);
if ($this->inclusive) {
$to += $from < $to ? 1 : -1;
}
$context = new SassContext($context);
for ($i = $from; $from < $to ? $i < $to : $i > $to; $i = $i + $step) {
$context->setVariable($this->variable, $i);
foreach ($this->children as $child) {
$children = array_merge($children, $child->parse($context));
}
// foreach
}
return $children;
}
/**
* Parse this node.
*
* @param
* SassContext the context in which this node is parsed
* @return array parsed child nodes
*/
public function parse($context)
{
$children = array();
$from = (double) $this->evaluate($this->from, $context)->value;
$to = (double) $this->evaluate($this->to, $context)->value;
$step = (double) $this->evaluate($this->step, $context)->value * ($to > $from ? 1 : -1);
if ($this->inclusive) {
$to += $from < $to ? 1 : -1;
}
$context = new SassContext($context);
for ($i = $from; $from < $to ? $i < $to : $i > $to; $i = $i + $step) {
$context->setVariable($this->variable, new SassNumber($i));
$children = array_merge($children, $this->parseChildren($context));
}
return $children;
}
/**
* Parse this node.
* Set passed arguments and any optional arguments not passed to their
* defaults, then render the children of the return definition.
* @param SassContext the context in which this node is parsed
* @return array the parsed node
*/
public function parse($pcontext)
{
$return = $this;
$context = new SassContext($pcontext);
return $context->getContent();
}
/**
* Returns the SassScript object for this variable.
* @param SassContext $context context of the variable
* @return SassLiteral the SassScript object for this variable
*/
public function evaluate($context)
{
return $context->getVariable($this->name);
}
/**
* Parse this node.
* Add this mixin to the current context.
* @param SassContext $context the context in which this node is parsed
* @return array the parsed node - an empty array
*/
public function parse($context)
{
$context->addMixin($this->name, $this);
return array();
}
