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

Class EliminateConditionalNodes

java.lang.Object

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

com.google.common.css.compiler.passes.EliminateConditionalNodes

All Implemented Interfaces:

AtRuleHandler, CssCompilerPass, CssTreeVisitor

public class EliminateConditionalNodes
extends DefaultTreeVisitor
implements CssCompilerPass

A compiler pass that eliminates the conditional blocks for which the boolean expression does not evaluate to true.

Constructor Summary

Constructors

Constructor	Description
EliminateConditionalNodes(MutatingVisitController visitController, java.util.Set<java.lang.String> trueConditions)

Method Summary

Modifier and Type	Method	Description
boolean	enterConditionalBlock(CssConditionalBlockNode block)	Called before visiting a CssConditionalBlockNode'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, 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, enterRuleset, 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

EliminateConditionalNodes

public EliminateConditionalNodes(MutatingVisitController visitController,
                                 java.util.Set<java.lang.String> trueConditions)

Method Detail

enterConditionalBlock

public boolean enterConditionalBlock(CssConditionalBlockNode block)

Description copied from interface: CssTreeVisitor

Called before visiting a CssConditionalBlockNode's sub trees

Specified by:

enterConditionalBlock in interface CssTreeVisitor

Overrides:

enterConditionalBlock in class DefaultTreeVisitor

runPass

public void runPass()

Specified by:

runPass in interface CssCompilerPass