Package com.itextpdf.styledxmlparser.css.parse.syntax

Class CssParserStateController

  • public final class CssParserStateController
extends java.lang.Object
    State machine that will parse content into a style sheet.

    • Field Detail

      • LOGGER

        private static final org.slf4j.Logger LOGGER

      • SUPPORTED_RULES

        private static final java.util.Set<java.lang.String> SUPPORTED_RULES
        Set of the supported rules.

      • CONDITIONAL_GROUP_RULES

        private static final java.util.Set<java.lang.String> CONDITIONAL_GROUP_RULES
        Set of conditional group rules.

      • currentState

        private IParserState currentState
        The current state.

      • isCurrentRuleSupported

        private boolean isCurrentRuleSupported
        Indicates if the current rule is supported.

      • previousActiveState

        private IParserState previousActiveState
        The previous active state (excluding comments).

      • buffer

        private final java.lang.StringBuilder buffer
        A buffer to store temporary results.

      • currentSelector

        private java.lang.String currentSelector
        The current selector.

      • styleSheet

        private final CssStyleSheet styleSheet
        The style sheet.

      • nestedAtRules

        private final java.util.Stack<CssNestedAtRule> nestedAtRules
        The nested At-rules.

      • storedPropertiesWithoutSelector

        private final java.util.Stack<java.util.List<CssDeclaration>> storedPropertiesWithoutSelector
        The stored properties without selector.

      • commentStartState

        private final IParserState commentStartState
        The comment start state.

      • commendEndState

        private final IParserState commendEndState
        The commend end state.

      • commendInnerState

        private final IParserState commendInnerState
        The commend inner state.

      • unknownState

        private final IParserState unknownState
        The unknown state.

      • ruleState

        private final IParserState ruleState
        The rule state.

      • propertiesState

        private final IParserState propertiesState
        The properties state.

      • conditionalGroupAtRuleBlockState

        private final IParserState conditionalGroupAtRuleBlockState
        The conditional group at rule block state.

      • atRuleBlockState

        private final IParserState atRuleBlockState
        The At-rule block state.

      • resourceResolver

        private final ResourceResolver resourceResolver
        The resource resolver.

    • Method Detail

      • process

        public void process​(char ch)
        Process a character using the current state.
        Parameters:
        ch - the character

      • getParsingResult

        public CssStyleSheet getParsingResult()
        Gets the resulting style sheet.
        Returns:
        the resulting style sheet

      • appendToBuffer

        void appendToBuffer​(char ch)
        Appends a character to the buffer.
        Parameters:
        ch - the character

      • getBufferContents

        java.lang.String getBufferContents()
        Gets the contents of the buffer.
        Returns:
        the buffer contents

      • resetBuffer

        void resetBuffer()
        Resets the buffer.

      • enterPreviousActiveState

        void enterPreviousActiveState()
        Enter the previous active state.

      • enterCommentStartState

        void enterCommentStartState()
        Enter the comment start state.

      • enterCommentEndState

        void enterCommentEndState()
        Enter the comment end state.

      • enterCommentInnerState

        void enterCommentInnerState()
        Enter the comment inner state.

      • enterRuleState

        void enterRuleState()
        Enter the rule state.

      • enterUnknownStateIfNestedBlocksFinished

        void enterUnknownStateIfNestedBlocksFinished()
        Enter the unknown state if nested blocks are finished.

      • enterRuleStateBasedOnItsType

        void enterRuleStateBasedOnItsType()
        Enter the rule state, based on whether the current state is unsupported or conditional.

      • enterUnknownState

        void enterUnknownState()
        Enter the unknown state.

      • enterAtRuleBlockState

        void enterAtRuleBlockState()
        Enter the At-rule block state.

      • enterConditionalGroupAtRuleBlockState

        void enterConditionalGroupAtRuleBlockState()
        Enter the conditional group At-rule block state.

      • enterPropertiesState

        void enterPropertiesState()
        Enter the properties state.

      • storeCurrentSelector

        void storeCurrentSelector()
        Store the current selector.

      • storeCurrentProperties

        void storeCurrentProperties()
        Store the current properties.

      • storeCurrentPropertiesWithoutSelector

        void storeCurrentPropertiesWithoutSelector()
        Store the current properties without selector.

      • storeSemicolonAtRule

        void storeSemicolonAtRule()
        Store the semicolon At-rule.

      • finishAtRuleBlock

        void finishAtRuleBlock()
        Finish the At-rule block.

      • pushBlockPrecedingAtRule

        void pushBlockPrecedingAtRule()
        Push the block preceding At-rule.

      • saveActiveState

        private void saveActiveState()
        Save the active state.

      • setState

        private void setState​(IParserState state)
        Sets the current state.
        Parameters:
        state - the new state

      • processProperties

        private void processProperties​(java.lang.String selector,
                               java.lang.String properties)
        Processes the properties.
        Parameters:
        selector - the selector
        properties - the properties

      • processProperties

        private void processProperties​(java.lang.String properties)
        Processes the properties.
        Parameters:
        properties - the properties

      • normalizeDeclarationURIs

        private void normalizeDeclarationURIs​(java.util.List<CssDeclaration> declarations)
        Normalizes the declaration URIs.
        Parameters:
        declarations - the declarations

      • normalizeSingleDeclarationURI

        private void normalizeSingleDeclarationURI​(CssDeclaration declaration)

      • processSemicolonAtRule

        private void processSemicolonAtRule​(java.lang.String ruleStr)
        Processes the semicolon At-rule.
        Parameters:
        ruleStr - the rule str

      • processFinishedAtRuleBlock

        private void processFinishedAtRuleBlock​(CssNestedAtRule atRule)
        Processes the finished At-rule block.
        Parameters:
        atRule - the at rule

      • isCurrentRuleSupported

        private boolean isCurrentRuleSupported()
        Checks if is current rule is supported.
        Returns:
        true, if the current rule is supported

      • currentAtRuleIsConditionalGroupRule

        private boolean currentAtRuleIsConditionalGroupRule()
        Checks if the current At-rule is a conditional group rule (or if it's unsupported).
        Returns:
        true, if the current At-rule is unsupported or conditional