* Created on 05.03.2003
*
* @author Stefan Langer (musk)
- * @version $Revision: 1.10 $
+ * @version $Revision: 1.13 $
*/
package net.sourceforge.phpeclipse.phpeditor.php;
/**
*
*/
-public class PHPPartitionScanner implements IPartitionTokenScanner
-{
-// private final int HTML = 0;
-// private final int PHP = 1;
-// private final int JS = 2;
-// private final int CSS = 4;
-// private final int COMMENT = 5;
-// private final int HTMLCOMMENT = 6;
-
- private IDocument fDocument = null;
- private int fOffset = -1;
-// private int fLastOffset = -1;
- private String fContentType = IPHPPartitionScannerConstants.HTML;
-
- private boolean partitionBorder = false;
- private int fTokenOffset;
- private int fEnd = -1;
- private int fLength;
- //private int fState = HTML;
- private Map tokens = new HashMap();
-
- public PHPPartitionScanner()
- {
- this.tokens.put(
- IPHPPartitionScannerConstants.PHP,
- new Token(IPHPPartitionScannerConstants.PHP));
- this.tokens.put(
- IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT,
- new Token(IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT));
- this.tokens.put(
- IPHPPartitionScannerConstants.HTML,
- new Token(IPHPPartitionScannerConstants.HTML));
- this.tokens.put(
- IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT,
- new Token(IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT));
- }
+public class PHPPartitionScanner implements IPartitionTokenScanner {
+ private static final boolean DEBUG = false;
+ private IDocument fDocument = null;
+ private int fOffset = -1;
+ private String fContentType = IPHPPartitionScannerConstants.HTML;
+ private String fPrevContentType;
+
+ private boolean partitionBorder = false;
+ private int fTokenOffset;
+ private int fEnd = -1;
+ private int fLength;
+ private Map tokens = new HashMap();
+
+ public PHPPartitionScanner() {
+ this.tokens.put(
+ IPHPPartitionScannerConstants.PHP,
+ new Token(IPHPPartitionScannerConstants.PHP));
+ this.tokens.put(
+ IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT,
+ new Token(IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT));
+ this.tokens.put(
+ IPHPPartitionScannerConstants.HTML,
+ new Token(IPHPPartitionScannerConstants.HTML));
+ this.tokens.put(
+ IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT,
+ new Token(IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT));
+ this.tokens.put(
+ IDocument.DEFAULT_CONTENT_TYPE,
+ new Token(IDocument.DEFAULT_CONTENT_TYPE));
+ }
- private IToken getToken(String type)
- {
- fLength = fOffset-fTokenOffset;
- IToken token = (IToken)this.tokens.get(type);
- Assert.isNotNull(token, "Token for type \"" + type + "\" not found!");
- return token;
+ private IToken getToken(String type) {
+ fLength = fOffset - fTokenOffset;
+ 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="
+ + fContentType
+ + " 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(
+ /* (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)
-{
- this.setRange(document, offset, length);
- if(this.tokens.containsKey(contentType))
- fContentType = contentType;
- if (partitionOffset > -1)
- {
- partitionBorder = false;
- fTokenOffset = partitionOffset;
+ int partitionOffset) {
+ this.setRange(document, offset, length);
+ if (DEBUG) {
+ System.out.println(
+ "PartialRange: contentType="
+ + contentType
+ + " partitionOffset="
+ + partitionOffset);
}
-}
- /* (non-Javadoc)
- * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength()
- */
- public int getTokenLength()
- {
- return fLength;
+ if (this.tokens.containsKey(contentType))
+ fContentType = contentType;
+ // TODO Calculate previouse contenttype
+ if (partitionOffset > -1) {
+ partitionBorder = false;
+ fTokenOffset = partitionOffset;
}
+ }
+
+ /* (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();
- /* (non-Javadoc)
- * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenOffset()
- */
- public int getTokenOffset()
- {
- return fTokenOffset;
+ if (partitionBorder) {
+ fTokenOffset = fOffset;
+ partitionBorder = false;
}
- /* (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();
+ while ((c = read()) != ICharacterScanner.EOF) {
+ switch (c) {
+ case '<' :
+ if (fContentType
+ != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT
+ && checkPattern(new char[] { '?', 'p', 'h', 'p' }, true)) {
+ if (fContentType != IPHPPartitionScannerConstants.PHP
+ && fOffset - 5 > 0) {
+ fOffset -= 5;
+ IToken token = getToken(fContentType);
+ // save previouse contenttype
+ fPrevContentType = fContentType;
+
+ fContentType = IPHPPartitionScannerConstants.PHP;
+
+ return token;
+ } else
+ fContentType = IPHPPartitionScannerConstants.PHP;
+
+ // remember offset of this partition
+ fTokenOffset = fOffset - 5;
+ } else if (fContentType != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT
+ && (checkPattern(new char[] { '?', ' ' }, false)
+ || checkPattern(new char[] { '?', '\r' }, false)
+ || checkPattern(new char[] { '?', '\n' }, false))) {
+ if (fContentType != IPHPPartitionScannerConstants.PHP
+ && fOffset - 3 > 0) {
+ fOffset -= 3;
+ IToken token = getToken(fContentType);
+ // save previouse contenttype
+ fPrevContentType = fContentType;
+
+ fContentType = IPHPPartitionScannerConstants.PHP;
+
+ return token;
+ } else
+ fContentType = IPHPPartitionScannerConstants.PHP;
+
+ // remember offset of this partition
+ fTokenOffset = fOffset - 3;
+ } else if (checkPattern(new char[] { '!', '-', '-' })) {
+ // return previouse partition
+ if (fContentType
+ != IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT
+ && fOffset - 4 > 0) {
+ fOffset -= 4;
+ IToken token = getToken(fContentType);
+
+ fContentType =
+ IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT;
+ return token;
+ } else
+ fContentType =
+ IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT;
- if (partitionBorder)
- {
- fTokenOffset = fOffset;
- partitionBorder = false;
- }
-
- while ((c = read()) != ICharacterScanner.EOF)
- {
- switch (c)
- {
- case '<' :
- if (fContentType != IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT && checkPattern(new char[] { '?', 'p', 'h', 'p' }, true))
- {
-
- if (fContentType != IPHPPartitionScannerConstants.PHP
- && fOffset - 5 > 0)
- {
- fOffset -= 5;
- IToken token = getToken(fContentType);
- fContentType = IPHPPartitionScannerConstants.PHP;
-
- return token;
- }
- else
- fContentType = IPHPPartitionScannerConstants.PHP;
-
- // remember offset of this partition
- fTokenOffset = fOffset - 5;
- }
- else if (checkPattern(new char[] { '!', '-', '-' }))
- {
- // return previouse partition
- if (fContentType
- != IPHPPartitionScannerConstants
- .HTML_MULTILINE_COMMENT
- && fOffset - 4 > 0)
- {
- fOffset -= 4;
- IToken token = getToken(fContentType);
- fContentType =
- IPHPPartitionScannerConstants
- .HTML_MULTILINE_COMMENT;
- return token;
- }
- else
- fContentType =
- IPHPPartitionScannerConstants
- .HTML_MULTILINE_COMMENT;
-
- fTokenOffset = fOffset - 4;
- }
- break;
- case '?' :
- if (fContentType == IPHPPartitionScannerConstants.PHP)
- {
- if ((c = read()) == '>')
- {
- fContentType = IPHPPartitionScannerConstants.HTML;
- partitionBorder = true;
- return getToken(IPHPPartitionScannerConstants.PHP);
- }
- else if(c != ICharacterScanner.EOF)
- unread();
- }
- break;
- case '-' :
- if (fContentType
- == IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT
- && checkPattern(new char[] { '-', '>' }))
- {
- fContentType = IPHPPartitionScannerConstants.HTML;
- partitionBorder = true;
- return getToken(
- IPHPPartitionScannerConstants
- .HTML_MULTILINE_COMMENT);
- }
- break;
- case '/' :
- if ((c=read()) == '*')
- { // MULTINE COMMENT JAVASCRIPT, CSS, PHP
- if (fContentType == IPHPPartitionScannerConstants.PHP
- && fOffset - 2 > 0)
- {
- fOffset -= 2;
- IToken token = getToken(fContentType);
- fContentType =
- IPHPPartitionScannerConstants
- .PHP_MULTILINE_COMMENT;
-
- return token;
- }
- else if (
- fContentType
- == IPHPPartitionScannerConstants
- .PHP_MULTILINE_COMMENT)
- {
-
- fTokenOffset = fOffset - 2;
- }
-
- }
- else if(c != ICharacterScanner.EOF)
- unread();
- break;
- case '*' :
- if ((c = read()) == '/')
- {
- if (fContentType
- == IPHPPartitionScannerConstants
- .PHP_MULTILINE_COMMENT)
- {
- fContentType = IPHPPartitionScannerConstants.PHP;
- partitionBorder = true;
- return getToken(
- IPHPPartitionScannerConstants
- .PHP_MULTILINE_COMMENT);
- }
- else if (
- fContentType
- == IPHPPartitionScannerConstants
- .CSS_MULTILINE_COMMENT)
- {
- }
- else if (
- fContentType
- == IPHPPartitionScannerConstants
- .JS_MULTILINE_COMMENT)
- {
- }
- }
- else if(c != ICharacterScanner.EOF)
- unread();
- break;
+ fTokenOffset = fOffset - 4;
+ }
+ break;
+ case '?' :
+ if (fContentType == IPHPPartitionScannerConstants.PHP) {
+ if ((c = read()) == '>') {
+ // TODO Actually calculate the previouse contenttype from the document
+ if (fPrevContentType != null)
+ fContentType = fPrevContentType;
+ else
+ fContentType = IPHPPartitionScannerConstants.HTML;
+ partitionBorder = true;
+ return getToken(IPHPPartitionScannerConstants.PHP);
+ } else if (c != ICharacterScanner.EOF)
+ unread();
+ }
+ break;
+ case '-' :
+ if (fContentType
+ == IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT
+ && checkPattern(new char[] { '-', '>' })) {
+ fContentType = IPHPPartitionScannerConstants.HTML;
+ partitionBorder = true;
+ return getToken(
+ IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT);
+ }
+ break;
+ case '/' :
+ if ((c = read()) == '*') { // MULTINE COMMENT JAVASCRIPT, CSS, PHP
+ if (fContentType == IPHPPartitionScannerConstants.PHP
+ && fOffset - 2 > 0) {
+ fOffset -= 2;
+ IToken token = getToken(fContentType);
+
+ fContentType =
+ IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT;
+
+ return token;
+ } else if (
+ fContentType
+ == IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT) {
+
+ fTokenOffset = fOffset - 2;
}
- }
- // 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)
- {
- fDocument = document;
- fOffset = offset;
- fTokenOffset = offset;
- fLength = 0;
- fEnd = fOffset + length;
- //partitionBorder = false;
- }
+ } else if (c != ICharacterScanner.EOF)
+ unread();
+ break;
+ case '*' :
+ if ((c = read()) == '/') {
+ if (fContentType
+ == IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT) {
+ fContentType = IPHPPartitionScannerConstants.PHP;
+ partitionBorder = true;
- private int read()
- {
- try
- {
- if (fOffset < fEnd)
- {
- return fDocument.getChar(fOffset++);
+ return getToken(
+ IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT);
+ } else if (
+ fContentType
+ == IPHPPartitionScannerConstants.CSS_MULTILINE_COMMENT) {
+ } else if (
+ fContentType
+ == IPHPPartitionScannerConstants.JS_MULTILINE_COMMENT) {
}
- return ICharacterScanner.EOF;
- }
- catch (BadLocationException e)
- {
- // should never happen
- // TODO write stacktrace to log
- fOffset = fEnd;
- return ICharacterScanner.EOF;
- }
+ } else if (c != ICharacterScanner.EOF)
+ unread();
+ break;
+ }
}
- private void unread()
- {
- --fOffset;
+ // 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);
}
- private boolean checkPattern(char[] pattern)
- {
- return checkPattern(pattern, false);
+ fDocument = document;
+ fOffset = offset;
+ fTokenOffset = offset;
+ fLength = 0;
+ fEnd = fOffset + length;
+ //partitionBorder = false;
+ }
+
+ private int read() {
+ try {
+ if (fOffset < fEnd) {
+ return fDocument.getChar(fOffset++);
+ }
+ return ICharacterScanner.EOF;
+ } catch (BadLocationException e) {
+ // should never happen
+ // TODO write stacktrace to log
+ fOffset = fEnd;
+ return ICharacterScanner.EOF;
}
+ }
- /**
- * 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;
- for (int i = 0; i < pattern.length; i++)
- {
- int c = read();
-
- if(c == ICharacterScanner.EOF || !letterEquals(c, pattern[i], ignoreCase))
- {
- fOffset = prevOffset;
- return false;
- }
- }
+ private void unread() {
+ --fOffset;
+ }
- 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;
+ 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;
+ for (int i = 0; i < pattern.length; i++) {
+ int c = read();
+
+ if (c == ICharacterScanner.EOF
+ || !letterEquals(c, pattern[i], ignoreCase)) {
+ fOffset = prevOffset;
+ 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;
+ }
+
}
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