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

Class ColorValueOptimizer

java.lang.Object

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

com.google.common.css.compiler.passes.ColorValueOptimizer

All Implemented Interfaces:

AtRuleHandler, CssCompilerPass, CssTreeVisitor

public class ColorValueOptimizer
extends DefaultTreeVisitor
implements CssCompilerPass

Compiler pass that optimizes color values. It shrinks 6-digit hex values to 3-digit where possible, and converts rgb(r, g, b) to hex.

Constructor Summary

Constructors

Constructor	Description
ColorValueOptimizer(MutatingVisitController visitController)

Method Summary

Modifier and Type	Method	Description
boolean	enterFunctionNode(CssFunctionNode function)	Called before visiting a CssFunctionNode's sub trees
boolean	enterValueNode(CssValueNode node)	Called before visiting a CssValueNode that is not a CssCompositeValueNode
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, enterIdSelector, enterImportBlock, enterImportRule, enterKey, enterKeyBlock, enterKeyframeRuleset, enterKeyframesRule, enterMediaRule, enterMediaTypeListDelimiter, enterMixin, enterMixinDefinition, enterPageRule, enterPageSelector, enterPropertyValue, enterProvideNode, enterPseudoClass, enterPseudoElement, enterRequireNode, enterRuleset, enterSelector, enterSelectorBlock, enterTree, enterUnknownAtRule, 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

ColorValueOptimizer

public ColorValueOptimizer(MutatingVisitController visitController)

Method Detail

enterFunctionNode

public boolean enterFunctionNode(CssFunctionNode function)

Description copied from interface: CssTreeVisitor

Called before visiting a CssFunctionNode's sub trees

Specified by:

enterFunctionNode in interface CssTreeVisitor

Overrides:

enterFunctionNode in class DefaultTreeVisitor

enterValueNode

public boolean enterValueNode(CssValueNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssValueNode that is not a CssCompositeValueNode

Specified by:

enterValueNode in interface CssTreeVisitor

Overrides:

enterValueNode in class DefaultTreeVisitor

runPass

public void runPass()

Specified by:

runPass in interface CssCompilerPass