* Created on 05.03.2003
*
* @author Stefan Langer (musk)
- * @version $Revision: 1.2 $
+ * @version $Revision: 1.3 $
*/
package net.sourceforge.phpeclipse.phpeditor.php;
*
*/
public class HTMLPartitionScanner implements IPartitionTokenScanner {
- private static final boolean DEBUG = false;
-
- private boolean fInString = false;
- private boolean fInDoubString = false;
- private IDocument fDocument = null;
- private int fOffset = -1;
- private String fContentType = IPHPPartitions.HTML;
- private String fPrevContentType = IPHPPartitions.HTML;
- private boolean partitionBorder = false;
- private int fTokenOffset;
- private int fEnd = -1;
- private int fLength;
- private int fCurrentLength;
- private int fFileType;
- private Map tokens = new HashMap();
-
- public HTMLPartitionScanner() {
- this(IPHPPartitions.PHP_FILE);
- }
-
- public HTMLPartitionScanner(int fileType) {
- this.tokens.put(IPHPPartitions.HTML, new Token(IPHPPartitions.HTML));
- this.tokens.put(
- IPHPPartitions.HTML_MULTILINE_COMMENT,
- new Token(IPHPPartitions.HTML_MULTILINE_COMMENT));
-
- this.tokens.put(IPHPPartitions.SMARTY, new Token(IPHPPartitions.SMARTY));
- this.tokens.put(
- IPHPPartitions.SMARTY_MULTILINE_COMMENT,
- new Token(IPHPPartitions.SMARTY_MULTILINE_COMMENT));
-
- this.tokens.put(IDocument.DEFAULT_CONTENT_TYPE, new Token(IDocument.DEFAULT_CONTENT_TYPE));
- fFileType = fileType;
- }
-
- private IToken getToken(String type) {
- fLength = fCurrentLength;
- if (DEBUG) {
-
- try {
- if (fLength <= 0) {
- int line = fDocument.getLineOfOffset(fOffset);
- System.err.println("Error at " + line + " offset:" + String.valueOf(fOffset - fDocument.getLineOffset(line)));
- }
- } catch (BadLocationException e) { // should never happen
- // TODO Write stacktrace to log
- e.printStackTrace();
- }
- }
- Assert.isTrue(fLength > 0, "Partition length <= 0!");
- fCurrentLength = 0;
- // String can never cross partition borders so reset string detection
- fInString = false;
- fInDoubString = false;
- IToken token = (IToken) this.tokens.get(type);
- Assert.isNotNull(token, "Token for type \"" + type + "\" not found!");
- if (DEBUG) {
- System.out.println("Partition: fTokenOffset=" + fTokenOffset + " fContentType=" + type + " fLength=" + fLength);
- }
- return token;
- }
-
- /* (non-Javadoc)
- * @see org.eclipse.jface.text.rules.IPartitionTokenScanner#setPartialRange(org.eclipse.jface.text.IDocument, int, int, java.lang.String, int)
- */
- public void setPartialRange(IDocument document, int offset, int length, String contentType, int partitionOffset) {
- if (DEBUG) {
- System.out.println("*****");
- System.out.println("PartialRange: contentType=" + contentType + " partitionOffset=" + partitionOffset);
- }
-
- try {
- if (partitionOffset > -1) {
- partitionBorder = false;
- // because of strings we have to parse the whole partition
- this.setRange(document, partitionOffset, offset - partitionOffset + length);
- // sometimes we get a wrong partition so we retrieve the partition
- // directly from the document
- fContentType = fDocument.getContentType(partitionOffset);
- } else
- this.setRange(document, offset, length);
-
- } catch (BadLocationException e) {
- // should never happen
- // TODO print stack trace to log
- // fall back just scan the whole document again
- this.setRange(document, 0, fDocument.getLength());
- }
-
- }
-
- /* (non-Javadoc)
- * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength()
- */
- public int getTokenLength() {
- return fLength;
- }
-
- /* (non-Javadoc)
- * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenOffset()
- */
- public int getTokenOffset() {
- return fTokenOffset;
- }
-
- /* (non-Javadoc)
- * @see org.eclipse.jface.text.rules.ITokenScanner#nextToken()
- */
- public IToken nextToken() {
- int c;
-
- // check if we are not allready at the end of the
- // file
- if ((c = read()) == ICharacterScanner.EOF) {
- partitionBorder = false;
- return Token.EOF;
- } else
- unread();
-
- if (partitionBorder) {
- fTokenOffset = fOffset;
- partitionBorder = false;
- }
-
- while ((c = read()) != ICharacterScanner.EOF) {
- switch (c) {
- case '<' :
- if ( checkPattern(new char[] { '!', '-', '-' })) { // return previouse partition
- if (fContentType != IPHPPartitions.HTML_MULTILINE_COMMENT && fCurrentLength > 4) {
- unread(4);
- IToken token = getToken(fContentType);
- fContentType = IPHPPartitions.HTML_MULTILINE_COMMENT;
- return token;
- } else
- fContentType = IPHPPartitions.HTML_MULTILINE_COMMENT;
-
- fTokenOffset = fOffset - 4;
- fCurrentLength = 4;
- }
- break;
- case '-' :
- if (fContentType == IPHPPartitions.HTML_MULTILINE_COMMENT
- && checkPattern(new char[] { '-', '>' })) {
- fContentType = IPHPPartitions.HTML;
- partitionBorder = true;
- return getToken(IPHPPartitions.HTML_MULTILINE_COMMENT);
- }
- break;
- case '{' : // SMARTY code starts here ?
- if (fFileType == IPHPPartitions.SMARTY_FILE) {
- if ((c = read()) == '*') {
- if (DEBUG) {
- System.out.println(
- "SMARTYDOC_TOKEN start "
- + fTokenOffset
- + " fContentType="
- + fContentType
- + " fLength="
- + fLength
- + " fOffset="
- + fOffset
- + " fCurrentLength="
- + fCurrentLength);
- }
- if (fContentType != IPHPPartitions.SMARTY_MULTILINE_COMMENT && fCurrentLength > 2) {
- // SMARTY doc code starts here
- unread(2);
- IToken token = getToken(fContentType);
- fContentType = IPHPPartitions.SMARTY_MULTILINE_COMMENT;
- return token;
- // } else if (fContentType == IPHPPartitionScannerConstants.HTML && fOffset == 2) {
- // fContentType = IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT;
- } else { // if (fContentType == IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT) {
- fContentType = IPHPPartitions.SMARTY_MULTILINE_COMMENT;
- fTokenOffset = fOffset - 2;
- fCurrentLength = 2;
- }
- break;
- }
- if (DEBUG) {
- System.out.println(
- "SMARTY_TOKEN start "
- + fTokenOffset
- + " fContentType="
- + fContentType
- + " fLength="
- + fLength
- + " fOffset="
- + fOffset);
- }
- if (c != ICharacterScanner.EOF) {
- unread();
- }
- if (fContentType != IPHPPartitions.SMARTY && fCurrentLength > 1) {
- unread(1);
- IToken token = getToken(fContentType);
- fContentType = IPHPPartitions.SMARTY;
- return token;
- // } else if (fContentType == IPHPPartitionScannerConstants.HTML && fOffset==1) {
- // fContentType = IPHPPartitionScannerConstants.SMARTY;
- } else {
- fContentType = IPHPPartitions.SMARTY;
- fTokenOffset = fOffset - 1;
- fCurrentLength = 1;
- }
- }
- break;
- case '}' : // SMARTY code ends here ?
- if (fFileType == IPHPPartitions.SMARTY_FILE && fContentType == IPHPPartitions.SMARTY) {
- if (DEBUG) {
- System.out.println(
- "SMARTY_TOKEN end "
- + fTokenOffset
- + " fContentType="
- + fContentType
- + " fLength="
- + fLength
- + " fOffset="
- + fOffset);
- }
- fContentType = IPHPPartitions.HTML;
- partitionBorder = true;
- return getToken(IPHPPartitions.SMARTY);
- }
- break;
-// case '/' :
-// if (!isInString(IPHPPartitions.PHP_PARTITIONING) && (c = read()) == '*') { // MULTINE COMMENT JAVASCRIPT, CSS, PHP
-// if (fContentType == IPHPPartitions.PHP_PARTITIONING && fCurrentLength > 2) {
-// unread(2);
-// IToken token = getToken(fContentType);
-// fContentType = IPHPPartitions.PHP_PHPDOC_COMMENT;
-// return token;
-// } else if (fContentType == IPHPPartitions.PHP_PHPDOC_COMMENT) {
-// fTokenOffset = fOffset - 2;
-// fCurrentLength = 2;
-// }
-//
-// } else if (!isInString(IPHPPartitions.PHP_PARTITIONING) && c != ICharacterScanner.EOF)
-// unread();
-// break;
- case '*' :
- if (fFileType == IPHPPartitions.SMARTY_FILE && (c = read()) == '}') {
- if (DEBUG) {
- System.out.println(
- "SMARTYDOC_TOKEN end "
- + fTokenOffset
- + " fContentType="
- + fContentType
- + " fLength="
- + fLength
- + " fOffset="
- + fOffset);
- }
- if (fContentType == IPHPPartitions.SMARTY_MULTILINE_COMMENT) {
- fContentType = IPHPPartitions.HTML;
- partitionBorder = true;
- return getToken(IPHPPartitions.SMARTY_MULTILINE_COMMENT);
- }
- }
- break;
- case '\'' :
- if (!fInDoubString)
- fInString = !fInString;
- break;
- case '"' :
- // toggle String mode
- if (!fInString)
- fInDoubString = !fInDoubString;
- break;
- }
- } // end of file reached but we have to return the
- // last partition.
- return getToken(fContentType);
- }
- /* (non-Javadoc)
- * @see org.eclipse.jface.text.rules.ITokenScanner#setRange(org.eclipse.jface.text.IDocument, int, int)
- */
- public void setRange(IDocument document, int offset, int length) {
- if (DEBUG) {
- System.out.println("SET RANGE: offset=" + offset + " length=" + length);
- }
-
- fDocument = document;
- fOffset = offset;
- fTokenOffset = offset;
- fCurrentLength = 0;
- fLength = 0;
- fEnd = fOffset + length;
- fInString = false;
- fInDoubString = false;
- fContentType = IPHPPartitions.HTML;
- // String[] prev = getPartitionStack(offset);
- }
-
- private int read() {
- try {
- if (fOffset < fEnd) {
- fCurrentLength++;
- return fDocument.getChar(fOffset++);
- }
- return ICharacterScanner.EOF;
- } catch (BadLocationException e) {
- // should never happen
- // TODO write stacktrace to log
- fOffset = fEnd;
- return ICharacterScanner.EOF;
- }
- }
-
- private void unread() {
- --fOffset;
- --fCurrentLength;
- }
-
- private void unread(int num) {
- fOffset -= num;
- fCurrentLength -= num;
- }
-
- private boolean checkPattern(char[] pattern) {
- return checkPattern(pattern, false);
- }
-
- /**
- * Check if next character sequence read from document is equals to
- * the provided pattern. Pattern is read from left to right until the
- * first character read doesn't match. If this happens all read characters are
- * unread.
- * @param pattern The pattern to check.
- * @return <code>true</code> if pattern is equals else returns <code>false</code>.
- */
- private boolean checkPattern(char[] pattern, boolean ignoreCase) {
- int prevOffset = fOffset;
- int prevLength = fCurrentLength;
- for (int i = 0; i < pattern.length; i++) {
- int c = read();
-
- if (c == ICharacterScanner.EOF || !letterEquals(c, pattern[i], ignoreCase)) {
- fOffset = prevOffset;
- fCurrentLength = prevLength;
- return false;
- }
- }
-
- return true;
- }
-
- private boolean letterEquals(int test, char letter, boolean ignoreCase) {
- if (test == letter)
- return true;
- else if (ignoreCase && Character.isLowerCase(letter) && test == Character.toUpperCase(letter))
- return true;
- else if (ignoreCase && Character.isUpperCase(letter) && test == Character.toLowerCase(letter))
- return true;
-
- return false;
- }
-
- /**
- * Checks wether the offset is in a <code>String</code> and the specified
- * contenttype is the current content type.
- * Strings are delimited, mutual exclusive, by a " or by a '.
- *
- * @param contentType The contenttype to check.
- * @return <code>true</code> if the current offset is in a string else
- * returns false.
- */
- private boolean isInString(String contentType) {
- if (fContentType == contentType)
- return (fInString || fInDoubString);
- else
- return false;
- }
-
- /**
- * Returns the previouse partition stack for the given offset.
- *
- * @param offset The offset to return the previouse partitionstack for.
- *
- * @return The stack as a string array.
- */
- private String[] getPartitionStack(int offset) {
- ArrayList types = new ArrayList();
- int tmpOffset = 0;
- try {
- ITypedRegion region = fDocument.getPartition(offset);
- tmpOffset = region.getOffset();
- while (tmpOffset - 1 > 0) {
- region = fDocument.getPartition(tmpOffset - 1);
- tmpOffset = region.getOffset();
- types.add(0, region.getType());
- }
- } catch (BadLocationException e) {
- if (DEBUG) {
- e.printStackTrace();
- }
- }
-
- String[] retVal = new String[types.size()];
-
- retVal = (String[]) types.toArray(retVal);
- return retVal;
- }
+ private static final boolean DEBUG = false;
+
+ private boolean fInString = false;
+
+ private boolean fInDoubString = false;
+
+ private IDocument fDocument = null;
+
+ private int fOffset = -1;
+
+ private String fContentType = IPHPPartitions.HTML;
+
+ private String fPrevContentType = IPHPPartitions.HTML;
+
+ private boolean partitionBorder = false;
+
+ private int fTokenOffset;
+
+ private int fEnd = -1;
+
+ private int fLength;
+
+ private int fCurrentLength;
+
+ private int fFileType;
+
+ private Map tokens = new HashMap();
+
+ public HTMLPartitionScanner() {
+ this(IPHPPartitions.PHP_FILE);
+ }
+
+ public HTMLPartitionScanner(int fileType) {
+ this.tokens.put(IPHPPartitions.HTML, new Token(IPHPPartitions.HTML));
+ this.tokens.put(IPHPPartitions.HTML_MULTILINE_COMMENT, new Token(
+ IPHPPartitions.HTML_MULTILINE_COMMENT));
+
+ this.tokens
+ .put(IPHPPartitions.SMARTY, new Token(IPHPPartitions.SMARTY));
+ this.tokens.put(IPHPPartitions.SMARTY_MULTILINE_COMMENT, new Token(
+ IPHPPartitions.SMARTY_MULTILINE_COMMENT));
+
+ this.tokens.put(IDocument.DEFAULT_CONTENT_TYPE, new Token(
+ IDocument.DEFAULT_CONTENT_TYPE));
+ fFileType = fileType;
+ }
+
+ private IToken getToken(String type) {
+ fLength = fCurrentLength;
+ if (DEBUG) {
+
+ try {
+ if (fLength <= 0) {
+ int line = fDocument.getLineOfOffset(fOffset);
+ System.err.println("Error at "
+ + line
+ + " offset:"
+ + String.valueOf(fOffset
+ - fDocument.getLineOffset(line)));
+ }
+ } catch (BadLocationException e) { // should never happen
+ // TODO Write stacktrace to log
+ e.printStackTrace();
+ }
+ }
+ Assert.isTrue(fLength > 0, "Partition length <= 0!");
+ fCurrentLength = 0;
+ // String can never cross partition borders so reset string detection
+ fInString = false;
+ fInDoubString = false;
+ IToken token = (IToken) this.tokens.get(type);
+ Assert.isNotNull(token, "Token for type \"" + type + "\" not found!");
+ if (DEBUG) {
+ System.out.println("Partition: fTokenOffset=" + fTokenOffset
+ + " fContentType=" + type + " fLength=" + fLength);
+ }
+ return token;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.eclipse.jface.text.rules.IPartitionTokenScanner#setPartialRange(org.eclipse.jface.text.IDocument,
+ * int, int, java.lang.String, int)
+ */
+ public void setPartialRange(IDocument document, int offset, int length,
+ String contentType, int partitionOffset) {
+ if (DEBUG) {
+ System.out.println("*****");
+ System.out.println("PartialRange: contentType=" + contentType
+ + " partitionOffset=" + partitionOffset);
+ }
+
+ try {
+ if (partitionOffset > -1) {
+ partitionBorder = false;
+ // because of strings we have to parse the whole partition
+ this.setRange(document, partitionOffset, offset
+ - partitionOffset + length);
+ // sometimes we get a wrong partition so we retrieve the
+ // partition
+ // directly from the document
+ fContentType = fDocument.getContentType(partitionOffset);
+ } else
+ this.setRange(document, offset, length);
+
+ } catch (BadLocationException e) {
+ // should never happen
+ // TODO print stack trace to log
+ // fall back just scan the whole document again
+ this.setRange(document, 0, fDocument.getLength());
+ }
+
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength()
+ */
+ public int getTokenLength() {
+ return fLength;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenOffset()
+ */
+ public int getTokenOffset() {
+ return fTokenOffset;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.eclipse.jface.text.rules.ITokenScanner#nextToken()
+ */
+ public IToken nextToken() {
+ int c;
+
+ // check if we are not allready at the end of the
+ // file
+ if ((c = read()) == ICharacterScanner.EOF) {
+ partitionBorder = false;
+ return Token.EOF;
+ } else
+ unread();
+
+ if (partitionBorder) {
+ fTokenOffset = fOffset;
+ partitionBorder = false;
+ }
+
+ while ((c = read()) != ICharacterScanner.EOF) {
+ switch (c) {
+ case '<':
+ if (checkPattern(new char[] { '!', '-', '-' })) { // return
+ // previouse
+ // partition
+ if (fContentType != IPHPPartitions.HTML_MULTILINE_COMMENT
+ && fCurrentLength > 4) {
+ unread(4);
+ IToken token = getToken(fContentType);
+ fContentType = IPHPPartitions.HTML_MULTILINE_COMMENT;
+ return token;
+ } else
+ fContentType = IPHPPartitions.HTML_MULTILINE_COMMENT;
+
+ fTokenOffset = fOffset - 4;
+ fCurrentLength = 4;
+ }
+ break;
+ case '-':
+ if (fContentType == IPHPPartitions.HTML_MULTILINE_COMMENT
+ && checkPattern(new char[] { '-', '>' })) {
+ fContentType = IPHPPartitions.HTML;
+ partitionBorder = true;
+ return getToken(IPHPPartitions.HTML_MULTILINE_COMMENT);
+ }
+ break;
+ case '{': // SMARTY code starts here ?
+ if (fFileType == IPHPPartitions.SMARTY_FILE) {
+ if ((c = read()) == '*') {
+ if (DEBUG) {
+ System.out.println("SMARTYDOC_TOKEN start "
+ + fTokenOffset + " fContentType="
+ + fContentType + " fLength=" + fLength
+ + " fOffset=" + fOffset
+ + " fCurrentLength=" + fCurrentLength);
+ }
+ if (fContentType != IPHPPartitions.SMARTY_MULTILINE_COMMENT
+ && fCurrentLength > 2) {
+ // SMARTY doc code starts here
+ unread(2);
+ IToken token = getToken(fContentType);
+ fContentType = IPHPPartitions.SMARTY_MULTILINE_COMMENT;
+ return token;
+ // } else if (fContentType ==
+ // IPHPPartitionScannerConstants.HTML && fOffset ==
+ // 2) {
+ // fContentType =
+ // IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT;
+ } else { // if (fContentType ==
+ // IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT)
+ // {
+ fContentType = IPHPPartitions.SMARTY_MULTILINE_COMMENT;
+ fTokenOffset = fOffset - 2;
+ fCurrentLength = 2;
+ }
+ break;
+ }
+ if (DEBUG) {
+ System.out.println("SMARTY_TOKEN start " + fTokenOffset
+ + " fContentType=" + fContentType + " fLength="
+ + fLength + " fOffset=" + fOffset);
+ }
+ if (c != ICharacterScanner.EOF) {
+ unread();
+ }
+ if (fContentType != IPHPPartitions.SMARTY
+ && fCurrentLength > 1) {
+ unread(1);
+ IToken token = getToken(fContentType);
+ fContentType = IPHPPartitions.SMARTY;
+ return token;
+ // } else if (fContentType ==
+ // IPHPPartitionScannerConstants.HTML && fOffset==1) {
+ // fContentType = IPHPPartitionScannerConstants.SMARTY;
+ } else {
+ fContentType = IPHPPartitions.SMARTY;
+ fTokenOffset = fOffset - 1;
+ fCurrentLength = 1;
+ }
+ }
+ break;
+ case '}': // SMARTY code ends here ?
+ if (fFileType == IPHPPartitions.SMARTY_FILE
+ && fContentType == IPHPPartitions.SMARTY) {
+ if (DEBUG) {
+ System.out.println("SMARTY_TOKEN end " + fTokenOffset
+ + " fContentType=" + fContentType + " fLength="
+ + fLength + " fOffset=" + fOffset);
+ }
+ fContentType = IPHPPartitions.HTML;
+ partitionBorder = true;
+ return getToken(IPHPPartitions.SMARTY);
+ }
+ break;
+ // case '/' :
+ // if (!isInString(IPHPPartitions.PHP_PARTITIONING) && (c = read())
+ // == '*') { // MULTINE COMMENT JAVASCRIPT, CSS, PHP
+ // if (fContentType == IPHPPartitions.PHP_PARTITIONING &&
+ // fCurrentLength > 2) {
+ // unread(2);
+ // IToken token = getToken(fContentType);
+ // fContentType = IPHPPartitions.PHP_PHPDOC_COMMENT;
+ // return token;
+ // } else if (fContentType == IPHPPartitions.PHP_PHPDOC_COMMENT) {
+ // fTokenOffset = fOffset - 2;
+ // fCurrentLength = 2;
+ // }
+ //
+ // } else if (!isInString(IPHPPartitions.PHP_PARTITIONING) && c !=
+ // ICharacterScanner.EOF)
+ // unread();
+ // break;
+ case '*':
+ if (fFileType == IPHPPartitions.SMARTY_FILE
+ && (c = read()) == '}') {
+ if (DEBUG) {
+ System.out.println("SMARTYDOC_TOKEN end "
+ + fTokenOffset + " fContentType="
+ + fContentType + " fLength=" + fLength
+ + " fOffset=" + fOffset);
+ }
+ if (fContentType == IPHPPartitions.SMARTY_MULTILINE_COMMENT) {
+ fContentType = IPHPPartitions.HTML;
+ partitionBorder = true;
+ return getToken(IPHPPartitions.SMARTY_MULTILINE_COMMENT);
+ }
+ }
+ break;
+ case '\'':
+ if (!fInDoubString)
+ fInString = !fInString;
+ break;
+ case '"':
+ // toggle String mode
+ if (!fInString)
+ fInDoubString = !fInDoubString;
+ break;
+ }
+ } // end of file reached but we have to return the
+ // last partition.
+ return getToken(fContentType);
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.eclipse.jface.text.rules.ITokenScanner#setRange(org.eclipse.jface.text.IDocument,
+ * int, int)
+ */
+ public void setRange(IDocument document, int offset, int length) {
+ if (DEBUG) {
+ System.out.println("SET RANGE: offset=" + offset + " length="
+ + length);
+ }
+
+ fDocument = document;
+ fOffset = offset;
+ fTokenOffset = offset;
+ fCurrentLength = 0;
+ fLength = 0;
+ fEnd = fOffset + length;
+ fInString = false;
+ fInDoubString = false;
+ fContentType = IPHPPartitions.HTML;
+ // String[] prev = getPartitionStack(offset);
+ }
+
+ private int read() {
+ try {
+ if (fOffset < fEnd) {
+ fCurrentLength++;
+ return fDocument.getChar(fOffset++);
+ }
+ return ICharacterScanner.EOF;
+ } catch (BadLocationException e) {
+ // should never happen
+ // TODO write stacktrace to log
+ fOffset = fEnd;
+ return ICharacterScanner.EOF;
+ }
+ }
+
+ private void unread() {
+ --fOffset;
+ --fCurrentLength;
+ }
+
+ private void unread(int num) {
+ fOffset -= num;
+ fCurrentLength -= num;
+ }
+
+ private boolean checkPattern(char[] pattern) {
+ return checkPattern(pattern, false);
+ }
+
+ /**
+ * Check if next character sequence read from document is equals to the
+ * provided pattern. Pattern is read from left to right until the first
+ * character read doesn't match. If this happens all read characters are
+ * unread.
+ *
+ * @param pattern
+ * The pattern to check.
+ * @return <code>true</code> if pattern is equals else returns
+ * <code>false</code>.
+ */
+ private boolean checkPattern(char[] pattern, boolean ignoreCase) {
+ int prevOffset = fOffset;
+ int prevLength = fCurrentLength;
+ for (int i = 0; i < pattern.length; i++) {
+ int c = read();
+
+ if (c == ICharacterScanner.EOF
+ || !letterEquals(c, pattern[i], ignoreCase)) {
+ fOffset = prevOffset;
+ fCurrentLength = prevLength;
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ private boolean letterEquals(int test, char letter, boolean ignoreCase) {
+ if (test == letter)
+ return true;
+ else if (ignoreCase && Character.isLowerCase(letter)
+ && test == Character.toUpperCase(letter))
+ return true;
+ else if (ignoreCase && Character.isUpperCase(letter)
+ && test == Character.toLowerCase(letter))
+ return true;
+
+ return false;
+ }
+
+ /**
+ * Checks wether the offset is in a <code>String</code> and the specified
+ * contenttype is the current content type. Strings are delimited, mutual
+ * exclusive, by a " or by a '.
+ *
+ * @param contentType
+ * The contenttype to check.
+ * @return <code>true</code> if the current offset is in a string else
+ * returns false.
+ */
+ private boolean isInString(String contentType) {
+ if (fContentType == contentType)
+ return (fInString || fInDoubString);
+ else
+ return false;
+ }
+
+ /**
+ * Returns the previouse partition stack for the given offset.
+ *
+ * @param offset
+ * The offset to return the previouse partitionstack for.
+ *
+ * @return The stack as a string array.
+ */
+ private String[] getPartitionStack(int offset) {
+ ArrayList types = new ArrayList();
+ int tmpOffset = 0;
+ try {
+ ITypedRegion region = fDocument.getPartition(offset);
+ tmpOffset = region.getOffset();
+ while (tmpOffset - 1 > 0) {
+ region = fDocument.getPartition(tmpOffset - 1);
+ tmpOffset = region.getOffset();
+ types.add(0, region.getType());
+ }
+ } catch (BadLocationException e) {
+ if (DEBUG) {
+ e.printStackTrace();
+ }
+ }
+
+ String[] retVal = new String[types.size()];
+
+ retVal = (String[]) types.toArray(retVal);
+ return retVal;
+ }
}
git://git.phpeclipse.com / phpeclipse.git / blobdiff