Package com.google.common.css.compiler.passes

Class EliminateUselessRulesetNodes

java.lang.Object

com.google.common.css.compiler.ast.DefaultTreeVisitor

com.google.common.css.compiler.passes.EliminateUselessRulesetNodes

All Implemented Interfaces:

AtRuleHandler, CssCompilerPass, CssTreeVisitor

public class EliminateUselessRulesetNodes
extends DefaultTreeVisitor
implements CssCompilerPass

Compiler pass that removes useless ruleset nodes from the AST.

Constructor Summary

Constructors

Constructor	Description
EliminateUselessRulesetNodes(CssTree tree)

Method Summary

Modifier and Type	Method	Description
boolean	enterRuleset(CssRulesetNode node)	Called before visiting a CssRulesetNode's sub trees.
void	runPass()

Methods inherited from class com.google.common.css.compiler.ast.DefaultTreeVisitor

enterArgumentNode, enterAttributeSelector, enterBlock, enterCharSet, enterClassSelector, enterCombinator, enterComponent, enterCompositeValueNode, enterCompositeValueNodeOperator, enterConditionalBlock, enterConditionalRule, enterDeclaration, enterDeclarationBlock, enterDefinition, enterFontFace, enterForLoop, enterFunctionNode, enterIdSelector, enterImportBlock, enterImportRule, enterKey, enterKeyBlock, enterKeyframeRuleset, enterKeyframesRule, enterMediaRule, enterMediaTypeListDelimiter, enterMixin, enterMixinDefinition, enterPageRule, enterPageSelector, enterPropertyValue, enterProvideNode, enterPseudoClass, enterPseudoElement, enterRequireNode, enterSelector, enterSelectorBlock, enterTree, enterUnknownAtRule, enterValueNode, leaveArgumentNode, leaveAttributeSelector, leaveBlock, leaveCharSet, leaveClassSelector, leaveCombinator, leaveComponent, leaveCompositeValueNode, leaveCompositeValueNodeOperator, leaveConditionalBlock, leaveConditionalRule, leaveDeclaration, leaveDeclarationBlock, leaveDefinition, leaveFontFace, leaveForLoop, leaveFunctionNode, leaveIdSelector, leaveImportBlock, leaveImportRule, leaveKey, leaveKeyBlock, leaveKeyframeRuleset, leaveKeyframesRule, leaveMediaRule, leaveMediaTypeListDelimiter, leaveMixin, leaveMixinDefinition, leavePageRule, leavePageSelector, leavePropertyValue, leaveProvideNode, leavePseudoClass, leavePseudoElement, leaveRequireNode, leaveRuleset, leaveSelector, leaveSelectorBlock, leaveTree, leaveUnknownAtRule, leaveValueNode

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EliminateUselessRulesetNodes

public EliminateUselessRulesetNodes(CssTree tree)

Method Detail

enterRuleset

public boolean enterRuleset(CssRulesetNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssRulesetNode's sub trees.

Specified by:

enterRuleset in interface CssTreeVisitor

Overrides:

enterRuleset in class DefaultTreeVisitor

Returns:

whether ruleset children should be visited

runPass

public void runPass()

Specified by:

runPass in interface CssCompilerPass