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Fixes and updates
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@@ -16,7 +16,7 @@ import javax.swing.text.Segment;
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* @version 1.0
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*/
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public abstract class TokenMakerBase implements TokenMaker {
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/**
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* The first token in the returned linked list.
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*/
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@@ -34,20 +34,18 @@ public abstract class TokenMakerBase implements TokenMaker {
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*/
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private TokenFactory tokenFactory;
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/**
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* Highlights occurrences of the current token in the editor, if it is
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* relevant.
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* Highlights occurrences of the current token in the editor, if it is relevant.
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*/
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private OccurrenceMarker occurrenceMarker;
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/**
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* "0" implies this is the "main" language being highlighted. Positive
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* values imply various "secondary" or "embedded" languages, such as CSS
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* or JavaScript in HTML. While this value is non-zero, tokens will be
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* generated with this language index so they can (possibly) be painted
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* differently, so "embedded" languages can be rendered with a special
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* background.
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* "0" implies this is the "main" language being highlighted. Positive values
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* imply various "secondary" or "embedded" languages, such as CSS or JavaScript
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* in HTML. While this value is non-zero, tokens will be generated with this
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* language index so they can (possibly) be painted differently, so "embedded"
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* languages can be rendered with a special background.
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*/
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private int languageIndex;
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/**
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* Constructor.
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*/
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@@ -55,7 +53,7 @@ public abstract class TokenMakerBase implements TokenMaker {
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firstToken = currentToken = previousToken = null;
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tokenFactory = new DefaultTokenFactory();
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}
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/**
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* {@inheritDoc}
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*/
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@@ -72,26 +70,20 @@ public abstract class TokenMakerBase implements TokenMaker {
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}
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currentToken.setLanguageIndex(languageIndex);
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}
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/**
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* Adds the token specified to the current linked list of tokens.
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*
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* @param segment
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* <code>Segment</code> to get text from.
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* @param start
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* Start offset in <code>segment</code> of token.
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* @param end
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* End offset in <code>segment</code> of token.
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* @param tokenType
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* The token's type.
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* @param startOffset
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* The offset in the document at which this token
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* occurs.
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* @param segment <code>Segment</code> to get text from.
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* @param start Start offset in <code>segment</code> of token.
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* @param end End offset in <code>segment</code> of token.
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* @param tokenType The token's type.
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* @param startOffset The offset in the document at which this token occurs.
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*/
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public void addToken(Segment segment, int start, int end, int tokenType, int startOffset) {
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addToken(segment.array, start, end, tokenType, startOffset);
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}
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/**
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* {@inheritDoc}
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*/
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@@ -99,23 +91,16 @@ public abstract class TokenMakerBase implements TokenMaker {
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public void addToken(char[] array, int start, int end, int tokenType, int startOffset) {
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addToken(array, start, end, tokenType, startOffset, false);
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}
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/**
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* Adds the token specified to the current linked list of tokens.
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*
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* @param array
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* The character array.
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* @param start
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* The starting offset in the array.
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* @param end
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* The ending offset in the array.
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* @param tokenType
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* The token's type.
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* @param startOffset
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* The offset in the document at which this token
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* occurs.
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* @param hyperlink
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* Whether this token is a hyperlink.
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* @param array The character array.
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* @param start The starting offset in the array.
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* @param end The ending offset in the array.
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* @param tokenType The token's type.
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* @param startOffset The offset in the document at which this token occurs.
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* @param hyperlink Whether this token is a hyperlink.
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*/
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public void addToken(char[] array, int start, int end, int tokenType, int startOffset, boolean hyperlink) {
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if (firstToken == null) {
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@@ -130,59 +115,56 @@ public abstract class TokenMakerBase implements TokenMaker {
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currentToken.setLanguageIndex(languageIndex);
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currentToken.setHyperlink(hyperlink);
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}
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/**
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* Returns the occurrence marker to use for this token maker. Subclasses
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* can override to use different implementations.
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* Returns the occurrence marker to use for this token maker. Subclasses can
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* override to use different implementations.
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*
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* @return The occurrence marker to use.
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*/
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protected OccurrenceMarker createOccurrenceMarker() {
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return new DefaultOccurrenceMarker();
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}
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/**
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* Returns the closest {@link TokenTypes "standard" token type} for a given
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* "internal" token type (e.g. one whose value is <code>< 0</code>).
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* <p>
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*
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* The default implementation returns <code>type</code> always, which
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* denotes that a mapping from internal token types to standard token types
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* is not defined; subclasses can override.
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* The default implementation returns <code>type</code> always, which denotes
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* that a mapping from internal token types to standard token types is not
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* defined; subclasses can override.
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*
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* @param type
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* The token type.
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* @param type The token type.
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* @return The closest "standard" token type.
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*/
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@Override
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public int getClosestStandardTokenTypeForInternalType(int type) {
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return type;
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}
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/**
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* Returns whether this programming language uses curly braces
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* ('<code>{</code>' and '<code>}</code>') to denote code blocks.
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* Returns whether this programming language uses curly braces ('<code>{</code>'
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* and '<code>}</code>') to denote code blocks.
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*
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* The default implementation returns <code>false</code>; subclasses can
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* override this method if necessary.
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*
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* @param languageIndex
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* The language index at the offset in question.
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* Since some <code>TokenMaker</code>s effectively have nested
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* languages (such as JavaScript in HTML), this parameter tells
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* the
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* <code>TokenMaker</code> what sub-language to look at.
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* @param languageIndex The language index at the offset in question. Since some
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* <code>TokenMaker</code>s effectively have nested
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* languages (such as JavaScript in HTML), this parameter
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* tells the <code>TokenMaker</code> what sub-language to
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* look at.
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* @return Whether curly braces denote code blocks.
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*/
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@Override
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public boolean getCurlyBracesDenoteCodeBlocks(int languageIndex) {
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return false;
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}
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/**
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* Returns an action to handle "insert break" key presses (i.e. Enter).
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* The default implementation returns <code>null</code>. Subclasses
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* can override.
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* Returns an action to handle "insert break" key presses (i.e. Enter). The
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* default implementation returns <code>null</code>. Subclasses can override.
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*
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* @return The default implementation always returns <code>null</code>.
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*/
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@@ -190,7 +172,7 @@ public abstract class TokenMakerBase implements TokenMaker {
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public Action getInsertBreakAction() {
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return null;
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}
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/**
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* Returns the current language index.
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*
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@@ -200,7 +182,7 @@ public abstract class TokenMakerBase implements TokenMaker {
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protected int getLanguageIndex() {
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return languageIndex;
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}
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/**
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* {@inheritDoc}
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*/
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@@ -213,7 +195,7 @@ public abstract class TokenMakerBase implements TokenMaker {
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}
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return t.getType();
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}
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/**
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* {@inheritDoc}
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*/
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@@ -221,24 +203,22 @@ public abstract class TokenMakerBase implements TokenMaker {
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public String[] getLineCommentStartAndEnd(int languageIndex) {
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return null;
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}
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/**
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* Returns whether tokens of the specified type should have "mark
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* occurrences" enabled for the current programming language. The default
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* implementation returns true if <tt>type</tt> is {@link Token#IDENTIFIER}.
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* Subclasses can override this method to support other token types, such
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* as {@link Token#VARIABLE}.
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* Returns whether tokens of the specified type should have "mark occurrences"
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* enabled for the current programming language. The default implementation
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* returns true if <tt>type</tt> is {@link Token#IDENTIFIER}. Subclasses can
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* override this method to support other token types, such as
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* {@link Token#VARIABLE}.
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*
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* @param type
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* The token type.
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* @return Whether tokens of this type should have "mark occurrences"
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* enabled.
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* @param type The token type.
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* @return Whether tokens of this type should have "mark occurrences" enabled.
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*/
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@Override
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public boolean getMarkOccurrencesOfTokenType(int type) {
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return type == Token.IDENTIFIER;
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}
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/**
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* {@inheritDoc}
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*/
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@@ -249,34 +229,33 @@ public abstract class TokenMakerBase implements TokenMaker {
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}
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return occurrenceMarker;
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}
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/**
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* The default implementation returns <code>false</code> always. Languages
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* that wish to better support auto-indentation can override this method.
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* The default implementation returns <code>false</code> always. Languages that
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* wish to better support auto-indentation can override this method.
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*
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* @param token
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* The token the previous line ends with.
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* @param token The token the previous line ends with.
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* @return Whether the next line should be indented.
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*/
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@Override
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public boolean getShouldIndentNextLineAfter(Token token) {
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return false;
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}
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/**
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* Returns whether a character could be part of an "identifier" token
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* in a specific language. The default implementation returns
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* <code>true</code> for letters, numbers, and certain symbols.
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* Returns whether a character could be part of an "identifier" token in a
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* specific language. The default implementation returns <code>true</code> for
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* letters, numbers, and certain symbols.
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*/
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@Override
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public boolean isIdentifierChar(int languageIndex, char ch) {
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return Character.isLetterOrDigit(ch) || ch == '_' || ch == '$';
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}
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/**
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* The default implementation returns <code>false</code> always.
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* Subclasses that are highlighting a markup language should override this
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* method to return <code>true</code>.
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* The default implementation returns <code>false</code> always. Subclasses that
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* are highlighting a markup language should override this method to return
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* <code>true</code>.
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*
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* @return <code>false</code> always.
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*/
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@@ -284,29 +263,27 @@ public abstract class TokenMakerBase implements TokenMaker {
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public boolean isMarkupLanguage() {
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return false;
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}
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/**
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* Deletes the linked list of tokens so we can begin anew. This should
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* never have to be called by the programmer, as it is automatically
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* called whenever the user calls
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* {@link #getLastTokenTypeOnLine(Segment, int)} or
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* Deletes the linked list of tokens so we can begin anew. This should never
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* have to be called by the programmer, as it is automatically called whenever
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* the user calls {@link #getLastTokenTypeOnLine(Segment, int)} or
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* {@link #getTokenList(Segment, int, int)}.
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*/
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protected void resetTokenList() {
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firstToken = currentToken = previousToken = null;
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tokenFactory.resetAllTokens();
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}
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/**
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* Sets the language index to assign to tokens moving forward. This
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* property is used to designate tokens as being in "secondary" languages
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* (such as CSS or JavaScript in HTML).
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* Sets the language index to assign to tokens moving forward. This property is
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* used to designate tokens as being in "secondary" languages (such as CSS or
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* JavaScript in HTML).
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*
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* @param languageIndex
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* The new language index. A value of
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* <code>0</code> denotes the "main" language, any positive value
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* denotes a specific secondary language. Negative values will
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* be treated as <code>0</code>.
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* @param languageIndex The new language index. A value of <code>0</code>
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* denotes the "main" language, any positive value denotes
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* a specific secondary language. Negative values will be
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* treated as <code>0</code>.
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* @see #getLanguageIndex()
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*/
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protected void setLanguageIndex(int languageIndex) {
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