/**
* Creates and returns the next SassNode.
* The tpye of SassNode depends on the content of the SassToken.
* @return SassNode a SassNode of the appropriate type. Null when no more
* source to parse.
*/
private function getNode($node)
{
$token = $this->getToken();
if (empty($token)) {
return null;
}
switch (true) {
case SassDirectiveNode::isa($token):
return $this->parseDirective($token, $node);
break;
case SassCommentNode::isa($token):
return new SassCommentNode($token);
break;
case SassVariableNode::isa($token):
return new SassVariableNode($token);
break;
case SassPropertyNode::isa($token, $this->property_syntax):
return new SassPropertyNode($token, $this->property_syntax);
break;
case SassMixinDefinitionNode::isa($token):
if ($this->syntax === SassFile::SCSS) {
throw new SassException('Mixin {which} shortcut not allowed in SCSS', array('{which}' => 'definition'), $this);
}
return new SassMixinDefinitionNode($token);
break;
case SassMixinNode::isa($token):
if ($this->syntax === SassFile::SCSS) {
throw new SassException('Mixin {which} shortcut not allowed in SCSS', array('{which}' => 'include'), $this);
}
return new SassMixinNode($token);
break;
default:
return new SassRuleNode($token);
break;
}
// switch
}
/**
* Creates and returns the next SassNode.
* The tpye of SassNode depends on the content of the SassToken.
* @return SassNode a SassNode of the appropriate type. Null when no more
* source to parse.
*/
public function getNode($node)
{
$token = $this->getToken();
if (empty($token)) {
return null;
}
switch (true) {
case SassDirectiveNode::isa($token):
return $this->parseDirective($token, $node);
case SassCommentNode::isa($token):
return new SassCommentNode($token);
case SassVariableNode::isa($token):
return new SassVariableNode($token);
case SassPropertyNode::isa(array('token' => $token, 'syntax' => $this->property_syntax)):
return new SassPropertyNode($token, $this->property_syntax);
case SassFunctionDefinitionNode::isa($token):
return new SassFunctionDefinitionNode($token);
case SassMixinDefinitionNode::isa($token):
if ($this->syntax === SassFile::SCSS) {
if ($this->debug) {
throw new SassException('Mixin definition shortcut not allowed in SCSS', $this);
}
return;
} else {
return new SassMixinDefinitionNode($token);
}
case SassMixinNode::isa($token):
if ($this->syntax === SassFile::SCSS) {
if ($this->debug) {
throw new SassException('Mixin include shortcut not allowed in SCSS', $this);
}
return;
} else {
return new SassMixinNode($token);
}
default:
return new SassRuleNode($token);
break;
}
// switch
}
/**
* Parse a line and its children.
* @param array line to parse
* @param array remaining lines
* @param SassNode parent node
* @return SassNode a SassNode of the appropriate type
*/
private function parseLine($line, &$lines, $parent)
{
if (empty($line)) {
return null;
}
switch (true) {
case SassCommentNode::isa($line):
return $this->parseComment($line, $lines);
break;
case SassDirectiveNode::isa($line):
return $this->parseDirective($line, $lines, $parent);
break;
case SassMixinDefinitionNode::isa($line):
return $this->parseMixinDefinition($line);
break;
case SassMixinNode::isa($line):
return $this->parseMixin($line);
break;
case SassVariableNode::isa($line):
if ($this->hasChild($line, $Lines)) {
throw new SassException("Illegal nesting. Nesting not allowed beneath variables.\nLine {$line['number']}: " . (is_array($line['file']) ? join(DIRECTORY_SEPARATOR, $line['file']) : ''));
}
return $this->parseVariable($line);
break;
case SassPropertyNode::isa($line, $this->options['property_syntax']):
return $this->parseProperty($line);
break;
default:
return $this->parseRule($line, $lines);
break;
}
// switch
}
