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

Class CompactPrintingVisitor

java.lang.Object

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

com.google.common.css.compiler.passes.CompactPrintingVisitor

All Implemented Interfaces:

AtRuleHandler, CssTreeVisitor

Direct Known Subclasses:

TemplateCompactPrintingVisitor

public class CompactPrintingVisitor
extends DefaultTreeVisitor

A compact-printer for CssTree instances. TODO(oana): Change this pass to stop visiting when definitions are encountered. The same goes for its test.

Field Summary

Fields

Modifier and Type	Field	Description
protected CodeBuffer	buffer
protected VisitController	visitController

Constructor Summary

Constructors

Constructor	Description
CompactPrintingVisitor(VisitController visitController, CodeBuffer buffer)

Method Summary

Modifier and Type	Method	Description
protected void	appendValueNode(CssValueNode node)	Appends the given value node to the buffer.
boolean	enterArgumentNode(CssValueNode node)	Called before visiting a CssFunctionNode's sub trees
boolean	enterAttributeSelector(CssAttributeSelectorNode node)	Called before visiting a CssAttributeSelectorNode's sub trees
boolean	enterBlock(CssBlockNode block)	Called before visiting a CssBlockNode's sub trees
boolean	enterCharSet(CssCharSetNode node)	Called before visiting a CssCharSetNode's sub trees
boolean	enterClassSelector(CssClassSelectorNode node)	Called before visiting a CssClassSelectorNode's sub trees
boolean	enterCombinator(CssCombinatorNode combinator)	Called before visiting a CssCombinatorNode's sub trees
boolean	enterCompositeValueNode(CssCompositeValueNode node)	Called before visiting a CssValueNode that is a CssCompositeValueNode
boolean	enterCompositeValueNodeOperator(CssCompositeValueNode parent)	Called between values in a CssCompositeValueNode
boolean	enterConditionalBlock(CssConditionalBlockNode node)	Called before visiting a CssConditionalBlockNode's sub trees
boolean	enterDeclaration(CssDeclarationNode declaration)	Called before visiting a CssDeclarationNode's sub trees
boolean	enterDeclarationBlock(CssDeclarationBlockNode block)	Called before visiting a CssDeclarationBlockNode's sub trees
boolean	enterDefinition(CssDefinitionNode node)
boolean	enterFontFace(CssFontFaceNode node)	Called before visiting a CssFontFaceNode's sub trees
boolean	enterFunctionNode(CssFunctionNode node)	Called before visiting a CssFunctionNode's sub trees
boolean	enterIdSelector(CssIdSelectorNode node)	Called before visiting a CssIdSelectorNode's sub trees
boolean	enterImportRule(CssImportRuleNode node)	Called before visiting a CssImportRuleNode's sub trees
boolean	enterKey(CssKeyNode node)	Called before visiting a CssKeyNode's sub trees
boolean	enterKeyframesRule(CssKeyframesNode node)	Called before visiting a CssKeyframesNode's sub trees
boolean	enterMediaRule(CssMediaRuleNode node)	Called before visiting a CssMediaRuleNode's sub trees
boolean	enterMediaTypeListDelimiter(CssNodesListNode<? extends CssNode> node)	Called between adjacent nodes in a media type list
boolean	enterPageRule(CssPageRuleNode node)	Called before visiting a CssPageRuleNode's sub trees
boolean	enterPageSelector(CssPageSelectorNode node)	Called before visiting a CssPageSelectorNode's sub trees
boolean	enterPseudoClass(CssPseudoClassNode node)	Called before visiting a CssPseudoClassNode's sub trees
boolean	enterPseudoElement(CssPseudoElementNode node)	Called before visiting a CssPseudoElementNode's sub trees
boolean	enterSelector(CssSelectorNode selector)	Called before visiting a CssSelectorNode's sub trees
boolean	enterUnknownAtRule(CssUnknownAtRuleNode node)	Called before visiting a CssUnknownAtRuleNode's sub trees
boolean	enterValueNode(CssValueNode node)	Called before visiting a CssValueNode that is not a CssCompositeValueNode
java.lang.String	getCompactPrintedString()	Returns the CSS compacted printed output.
void	leaveCharSet(CssCharSetNode node)	Called after visiting a CssCharSetNode's sub trees
void	leaveCombinator(CssCombinatorNode combinator)	Called after visiting a CssCombinatorNode's sub trees
void	leaveCompositeValueNode(CssCompositeValueNode node)	Called after visiting a CssValueNode that is a CssCompositeValueNode
void	leaveDeclaration(CssDeclarationNode declaration)	Called after visiting a CssDeclarationNode's sub trees
void	leaveDeclarationBlock(CssDeclarationBlockNode block)	Called after visiting a CssDeclarationBlockNode's sub trees
void	leaveFunctionNode(CssFunctionNode node)	Called after visiting a CssFunctionNode's sub trees.
void	leaveImportRule(CssImportRuleNode node)	Called after visiting a CssImportRuleNode's sub trees
void	leaveKey(CssKeyNode key)	Called after visiting a CssKeyNode's sub trees
void	leaveKeyBlock(CssKeyListNode block)	Called after visiting a CssKeyListNode's sub trees
void	leaveKeyframesRule(CssKeyframesNode node)	Called after visiting a CssKeyframesNode's sub trees
void	leaveMediaRule(CssMediaRuleNode node)	Called after visiting a CssMediaRuleNode's sub trees
void	leavePseudoClass(CssPseudoClassNode node)	Called after visiting a CssPseudoClassNode's sub trees
void	leaveSelector(CssSelectorNode selector)	Called after visiting a CssSelectorNode's sub trees
void	leaveSelectorBlock(CssSelectorListNode node)	Called after visiting a CssSelectorListNode's sub trees
void	leaveUnknownAtRule(CssUnknownAtRuleNode node)	Called after visiting a CssUnknownAtRuleNode's sub trees
void	leaveValueNode(CssValueNode node)	Called after visiting a CssValueNode that is not a CssCompositeValueNode

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

enterComponent, enterConditionalRule, enterForLoop, enterImportBlock, enterKeyBlock, enterKeyframeRuleset, enterMixin, enterMixinDefinition, enterPropertyValue, enterProvideNode, enterRequireNode, enterRuleset, enterSelectorBlock, enterTree, leaveArgumentNode, leaveAttributeSelector, leaveBlock, leaveClassSelector, leaveComponent, leaveCompositeValueNodeOperator, leaveConditionalBlock, leaveConditionalRule, leaveDefinition, leaveFontFace, leaveForLoop, leaveIdSelector, leaveImportBlock, leaveKeyframeRuleset, leaveMediaTypeListDelimiter, leaveMixin, leaveMixinDefinition, leavePageRule, leavePageSelector, leavePropertyValue, leaveProvideNode, leavePseudoElement, leaveRequireNode, leaveRuleset, leaveTree

Methods inherited from class java.lang.Object

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

Field Detail

visitController

protected final VisitController visitController

buffer

protected final CodeBuffer buffer

Constructor Detail

CompactPrintingVisitor

public CompactPrintingVisitor(VisitController visitController,
                              CodeBuffer buffer)

Method Detail

enterDefinition

public boolean enterDefinition(CssDefinitionNode node)

Specified by:

enterDefinition in interface AtRuleHandler

Overrides:

enterDefinition in class DefaultTreeVisitor

Parameters:

node - node

Returns:

true if the contents of the rule should be visited, false otherwise. AtRuleHandler.leaveDefinition(CssDefinitionNode) will still be called.

enterImportRule

public boolean enterImportRule(CssImportRuleNode node)

Description copied from interface: AtRuleHandler

Called before visiting a CssImportRuleNode's sub trees

Specified by:

enterImportRule in interface AtRuleHandler

Overrides:

enterImportRule in class DefaultTreeVisitor

Parameters:

node - node

leaveImportRule

public void leaveImportRule(CssImportRuleNode node)

Description copied from interface: AtRuleHandler

Called after visiting a CssImportRuleNode's sub trees

Specified by:

leaveImportRule in interface AtRuleHandler

Overrides:

leaveImportRule in class DefaultTreeVisitor

Parameters:

node - node

enterMediaRule

public boolean enterMediaRule(CssMediaRuleNode node)

Description copied from interface: AtRuleHandler

Called before visiting a CssMediaRuleNode's sub trees

Specified by:

enterMediaRule in interface AtRuleHandler

Overrides:

enterMediaRule in class DefaultTreeVisitor

Parameters:

node - node

leaveMediaRule

public void leaveMediaRule(CssMediaRuleNode node)

Description copied from interface: AtRuleHandler

Called after visiting a CssMediaRuleNode's sub trees

Specified by:

leaveMediaRule in interface AtRuleHandler

Overrides:

leaveMediaRule in class DefaultTreeVisitor

Parameters:

node - node

enterPageRule

public boolean enterPageRule(CssPageRuleNode node)

Description copied from interface: AtRuleHandler

Called before visiting a CssPageRuleNode's sub trees

Specified by:

enterPageRule in interface AtRuleHandler

Overrides:

enterPageRule in class DefaultTreeVisitor

Parameters:

node - node

enterPageSelector

public boolean enterPageSelector(CssPageSelectorNode node)

Description copied from interface: AtRuleHandler

Called before visiting a CssPageSelectorNode's sub trees

Specified by:

enterPageSelector in interface AtRuleHandler

Overrides:

enterPageSelector in class DefaultTreeVisitor

Parameters:

node - node

enterFontFace

public boolean enterFontFace(CssFontFaceNode node)

Description copied from interface: AtRuleHandler

Called before visiting a CssFontFaceNode's sub trees

Specified by:

enterFontFace in interface AtRuleHandler

Overrides:

enterFontFace in class DefaultTreeVisitor

Parameters:

node - node

enterCharSet

public boolean enterCharSet(CssCharSetNode node)

Description copied from interface: AtRuleHandler

Called before visiting a CssCharSetNode's sub trees

Specified by:

enterCharSet in interface AtRuleHandler

Overrides:

enterCharSet in class DefaultTreeVisitor

Parameters:

node - node

leaveCharSet

public void leaveCharSet(CssCharSetNode node)

Description copied from interface: AtRuleHandler

Called after visiting a CssCharSetNode's sub trees

Specified by:

leaveCharSet in interface AtRuleHandler

Overrides:

leaveCharSet in class DefaultTreeVisitor

Parameters:

node - node

enterSelector

public boolean enterSelector(CssSelectorNode selector)

Description copied from interface: CssTreeVisitor

Called before visiting a CssSelectorNode's sub trees

Specified by:

enterSelector in interface CssTreeVisitor

Overrides:

enterSelector in class DefaultTreeVisitor

leaveSelector

public void leaveSelector(CssSelectorNode selector)

Description copied from interface: CssTreeVisitor

Called after visiting a CssSelectorNode's sub trees

Specified by:

leaveSelector in interface CssTreeVisitor

Overrides:

leaveSelector in class DefaultTreeVisitor

enterClassSelector

public boolean enterClassSelector(CssClassSelectorNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssClassSelectorNode's sub trees

Specified by:

enterClassSelector in interface CssTreeVisitor

Overrides:

enterClassSelector in class DefaultTreeVisitor

enterIdSelector

public boolean enterIdSelector(CssIdSelectorNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssIdSelectorNode's sub trees

Specified by:

enterIdSelector in interface CssTreeVisitor

Overrides:

enterIdSelector in class DefaultTreeVisitor

enterPseudoClass

public boolean enterPseudoClass(CssPseudoClassNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssPseudoClassNode's sub trees

Specified by:

enterPseudoClass in interface CssTreeVisitor

Overrides:

enterPseudoClass in class DefaultTreeVisitor

leavePseudoClass

public void leavePseudoClass(CssPseudoClassNode node)

Description copied from interface: CssTreeVisitor

Called after visiting a CssPseudoClassNode's sub trees

Specified by:

leavePseudoClass in interface CssTreeVisitor

Overrides:

leavePseudoClass in class DefaultTreeVisitor

enterPseudoElement

public boolean enterPseudoElement(CssPseudoElementNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssPseudoElementNode's sub trees

Specified by:

enterPseudoElement in interface CssTreeVisitor

Overrides:

enterPseudoElement in class DefaultTreeVisitor

enterAttributeSelector

public boolean enterAttributeSelector(CssAttributeSelectorNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssAttributeSelectorNode's sub trees

Specified by:

enterAttributeSelector in interface CssTreeVisitor

Overrides:

enterAttributeSelector in class DefaultTreeVisitor

enterCombinator

public boolean enterCombinator(CssCombinatorNode combinator)

Description copied from interface: CssTreeVisitor

Called before visiting a CssCombinatorNode's sub trees

Specified by:

enterCombinator in interface CssTreeVisitor

Overrides:

enterCombinator in class DefaultTreeVisitor

leaveCombinator

public void leaveCombinator(CssCombinatorNode combinator)

Description copied from interface: CssTreeVisitor

Called after visiting a CssCombinatorNode's sub trees

Specified by:

leaveCombinator in interface CssTreeVisitor

Overrides:

leaveCombinator in class DefaultTreeVisitor

leaveSelectorBlock

public void leaveSelectorBlock(CssSelectorListNode node)

Description copied from interface: CssTreeVisitor

Called after visiting a CssSelectorListNode's sub trees

Specified by:

leaveSelectorBlock in interface CssTreeVisitor

Overrides:

leaveSelectorBlock in class DefaultTreeVisitor

enterDeclarationBlock

public boolean enterDeclarationBlock(CssDeclarationBlockNode block)

Description copied from interface: CssTreeVisitor

Called before visiting a CssDeclarationBlockNode's sub trees

Specified by:

enterDeclarationBlock in interface CssTreeVisitor

Overrides:

enterDeclarationBlock in class DefaultTreeVisitor

leaveDeclarationBlock

public void leaveDeclarationBlock(CssDeclarationBlockNode block)

Description copied from interface: CssTreeVisitor

Called after visiting a CssDeclarationBlockNode's sub trees

Specified by:

leaveDeclarationBlock in interface CssTreeVisitor

Overrides:

leaveDeclarationBlock in class DefaultTreeVisitor

enterBlock

public boolean enterBlock(CssBlockNode block)

Description copied from interface: CssTreeVisitor

Called before visiting a CssBlockNode's sub trees

Specified by:

enterBlock in interface CssTreeVisitor

Overrides:

enterBlock in class DefaultTreeVisitor

enterDeclaration

public boolean enterDeclaration(CssDeclarationNode declaration)

Description copied from interface: CssTreeVisitor

Called before visiting a CssDeclarationNode's sub trees

Specified by:

enterDeclaration in interface CssTreeVisitor

Overrides:

enterDeclaration in class DefaultTreeVisitor

leaveDeclaration

public void leaveDeclaration(CssDeclarationNode declaration)

Description copied from interface: CssTreeVisitor

Called after visiting a CssDeclarationNode's sub trees

Specified by:

leaveDeclaration in interface CssTreeVisitor

Overrides:

leaveDeclaration in class DefaultTreeVisitor

enterCompositeValueNode

public boolean enterCompositeValueNode(CssCompositeValueNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssValueNode that is a CssCompositeValueNode

Specified by:

enterCompositeValueNode in interface CssTreeVisitor

Overrides:

enterCompositeValueNode in class DefaultTreeVisitor

leaveCompositeValueNode

public void leaveCompositeValueNode(CssCompositeValueNode node)

Description copied from interface: CssTreeVisitor

Called after visiting a CssValueNode that is a CssCompositeValueNode

Specified by:

leaveCompositeValueNode in interface CssTreeVisitor

Overrides:

leaveCompositeValueNode 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

leaveValueNode

public void leaveValueNode(CssValueNode node)

Description copied from interface: CssTreeVisitor

Called after visiting a CssValueNode that is not a CssCompositeValueNode

Specified by:

leaveValueNode in interface CssTreeVisitor

Overrides:

leaveValueNode in class DefaultTreeVisitor

enterCompositeValueNodeOperator

public boolean enterCompositeValueNodeOperator(CssCompositeValueNode parent)

Description copied from interface: CssTreeVisitor

Called between values in a CssCompositeValueNode

Specified by:

enterCompositeValueNodeOperator in interface CssTreeVisitor

Overrides:

enterCompositeValueNodeOperator in class DefaultTreeVisitor

enterFunctionNode

public boolean enterFunctionNode(CssFunctionNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssFunctionNode's sub trees

Specified by:

enterFunctionNode in interface CssTreeVisitor

Overrides:

enterFunctionNode in class DefaultTreeVisitor

leaveFunctionNode

public void leaveFunctionNode(CssFunctionNode node)

Description copied from interface: CssTreeVisitor

Called after visiting a CssFunctionNode's sub trees.

Specified by:

leaveFunctionNode in interface CssTreeVisitor

Overrides:

leaveFunctionNode in class DefaultTreeVisitor

enterArgumentNode

public boolean enterArgumentNode(CssValueNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssFunctionNode's sub trees

Specified by:

enterArgumentNode in interface CssTreeVisitor

Overrides:

enterArgumentNode in class DefaultTreeVisitor

enterConditionalBlock

public boolean enterConditionalBlock(CssConditionalBlockNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssConditionalBlockNode's sub trees

Specified by:

enterConditionalBlock in interface CssTreeVisitor

Overrides:

enterConditionalBlock in class DefaultTreeVisitor

enterUnknownAtRule

public boolean enterUnknownAtRule(CssUnknownAtRuleNode node)

Description copied from interface: AtRuleHandler

Called before visiting a CssUnknownAtRuleNode's sub trees

Specified by:

enterUnknownAtRule in interface AtRuleHandler

Overrides:

enterUnknownAtRule in class DefaultTreeVisitor

Parameters:

node - node

enterMediaTypeListDelimiter

public boolean enterMediaTypeListDelimiter(CssNodesListNode<? extends CssNode> node)

Description copied from interface: AtRuleHandler

Called between adjacent nodes in a media type list

Specified by:

enterMediaTypeListDelimiter in interface AtRuleHandler

Overrides:

enterMediaTypeListDelimiter in class DefaultTreeVisitor

Parameters:

node - node

leaveUnknownAtRule

public void leaveUnknownAtRule(CssUnknownAtRuleNode node)

Description copied from interface: AtRuleHandler

Called after visiting a CssUnknownAtRuleNode's sub trees

Specified by:

leaveUnknownAtRule in interface AtRuleHandler

Overrides:

leaveUnknownAtRule in class DefaultTreeVisitor

enterKeyframesRule

public boolean enterKeyframesRule(CssKeyframesNode node)

Description copied from interface: AtRuleHandler

Called before visiting a CssKeyframesNode's sub trees

Specified by:

enterKeyframesRule in interface AtRuleHandler

Overrides:

enterKeyframesRule in class DefaultTreeVisitor

Parameters:

node - node

leaveKeyframesRule

public void leaveKeyframesRule(CssKeyframesNode node)

Description copied from interface: AtRuleHandler

Called after visiting a CssKeyframesNode's sub trees

Specified by:

leaveKeyframesRule in interface AtRuleHandler

Overrides:

leaveKeyframesRule in class DefaultTreeVisitor

Parameters:

node - node

enterKey

public boolean enterKey(CssKeyNode node)

Description copied from interface: CssTreeVisitor

Called before visiting a CssKeyNode's sub trees

Specified by:

enterKey in interface CssTreeVisitor

Overrides:

enterKey in class DefaultTreeVisitor

leaveKey

public void leaveKey(CssKeyNode key)

Description copied from interface: CssTreeVisitor

Called after visiting a CssKeyNode's sub trees

Specified by:

leaveKey in interface CssTreeVisitor

Overrides:

leaveKey in class DefaultTreeVisitor

leaveKeyBlock

public void leaveKeyBlock(CssKeyListNode block)

Description copied from interface: CssTreeVisitor

Called after visiting a CssKeyListNode's sub trees

Specified by:

leaveKeyBlock in interface CssTreeVisitor

Overrides:

leaveKeyBlock in class DefaultTreeVisitor

getCompactPrintedString

public java.lang.String getCompactPrintedString()

Returns the CSS compacted printed output.

appendValueNode

protected void appendValueNode(CssValueNode node)

Appends the given value node to the buffer.

Subclasses can modify this to provide a different serialization for particular types of value nodes.

Parameters:

node - the node to append