X-Git-Url: http://secure.phpeclipse.com diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/FastJavaPartitionScanner.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/FastJavaPartitionScanner.java deleted file mode 100644 index a4239ba..0000000 --- a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/FastJavaPartitionScanner.java +++ /dev/null @@ -1,634 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package net.sourceforge.phpdt.internal.ui.text; - -import net.sourceforge.phpeclipse.ui.text.rules.AbstractPartitioner; - -//incastrix -//import org.eclipse.jface.text.Assert; -import org.eclipse.core.runtime.Assert; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.rules.ICharacterScanner; -import org.eclipse.jface.text.rules.IPartitionTokenScanner; -import org.eclipse.jface.text.rules.IToken; -import org.eclipse.jface.text.rules.Token; - -/** - * This scanner recognizes the JavaDoc comments, Java multi line comments, Java - * single line comments, Java strings. - */ -public class FastJavaPartitionScanner implements IPartitionTokenScanner, - IPHPPartitions { - - // states - private static final int PHP = 0; - - private static final int SINGLE_LINE_COMMENT = 1; - - private static final int MULTI_LINE_COMMENT = 2; - - private static final int PHPDOC = 3; - - private static final int STRING_DQ = 4; - - private static final int STRING_SQ = 5; - - private static final int STRING_HEREDOC = 6; - - // beginning of prefixes and postfixes - private static final int NONE = 0; - - private static final int BACKSLASH = 1; // postfix for STRING_DQ and - // CHARACTER - - private static final int SLASH = 2; // prefix for SINGLE_LINE or MULTI_LINE - // or - - // JAVADOC - - private static final int SLASH_STAR = 3; // prefix for MULTI_LINE_COMMENT - // or - - // JAVADOC - - private static final int SLASH_STAR_STAR = 4; // prefix for - // MULTI_LINE_COMMENT - - // or JAVADOC - - private static final int STAR = 5; // postfix for MULTI_LINE_COMMENT or - - // JAVADOC - - private static final int CARRIAGE_RETURN = 6; // postfix for STRING_DQ, - - // CHARACTER and - // SINGLE_LINE_COMMENT - - // private static final int HEREDOC = 7; - - /** The scanner. */ - private final BufferedDocumentScanner fScanner = new BufferedDocumentScanner( - 1000); // faster - - // implementation - - /** The offset of the last returned token. */ - private int fTokenOffset; - - /** The length of the last returned token. */ - private int fTokenLength; - - /** The state of the scanner. */ - private int fState; - - /** The last significant characters read. */ - private int fLast; - - /** The amount of characters already read on first call to nextToken(). */ - private int fPrefixLength; - - // emulate JavaPartitionScanner - private boolean fEmulate = false; - - private int fJavaOffset; - - private int fJavaLength; - - private final IToken[] fTokens = new IToken[] { new Token(null), - new Token(PHP_SINGLELINE_COMMENT), - new Token(PHP_MULTILINE_COMMENT), new Token(PHP_PHPDOC_COMMENT), - new Token(PHP_STRING_DQ), new Token(PHP_STRING_SQ), - new Token(PHP_STRING_HEREDOC) }; - - public FastJavaPartitionScanner(boolean emulate) { - fEmulate = emulate; - } - - public FastJavaPartitionScanner() { - this(false); - } - - /* - * @see org.eclipse.jface.text.rules.ITokenScanner#nextToken() - */ - public IToken nextToken() { - - // emulate JavaPartitionScanner - if (fEmulate) { - if (fJavaOffset != -1 - && fTokenOffset + fTokenLength != fJavaOffset + fJavaLength) { - fTokenOffset += fTokenLength; - return fTokens[PHP]; - } else { - fJavaOffset = -1; - fJavaLength = 0; - } - } - - fTokenOffset += fTokenLength; - fTokenLength = fPrefixLength; - - while (true) { - final int ch = fScanner.read(); - - // characters - switch (ch) { - case ICharacterScanner.EOF: - if (fTokenLength > 0) { - fLast = NONE; // ignore last - return preFix(fState, PHP, NONE, 0); - - } else { - fLast = NONE; - fPrefixLength = 0; - return Token.EOF; - } - - case '\r': - // emulate JavaPartitionScanner - if (!fEmulate && fLast != CARRIAGE_RETURN) { - fLast = CARRIAGE_RETURN; - fTokenLength++; - continue; - - } else { - - switch (fState) { - case SINGLE_LINE_COMMENT: - // case CHARACTER: - // case STRING_DQ: - // case STRING_SQ: - if (fTokenLength > 0) { - IToken token = fTokens[fState]; - - // emulate JavaPartitionScanner - if (fEmulate) { - fTokenLength++; - fLast = NONE; - fPrefixLength = 0; - } else { - fLast = CARRIAGE_RETURN; - fPrefixLength = 1; - } - - fState = PHP; - return token; - - } else { - consume(); - continue; - } - - default: - consume(); - continue; - } - } - - case '\n': - switch (fState) { - case SINGLE_LINE_COMMENT: - // case CHARACTER: - // case STRING_DQ: - // case STRING_SQ: - // assert(fTokenLength > 0); - return postFix(fState); - - default: - consume(); - continue; - } - - case '?': - if (fState == SINGLE_LINE_COMMENT) { - int nextch = fScanner.read(); - if (nextch == '>') { - //

This is an example.

- fTokenLength--; - fScanner.unread(); - fScanner.unread(); - return postFix(fState); - } else { - // bug #1404228: Crash on - if (nextch != ICharacterScanner.EOF) { - fScanner.unread(); - } - } - } - - default: - if (!fEmulate && fLast == CARRIAGE_RETURN) { - switch (fState) { - case SINGLE_LINE_COMMENT: - // case CHARACTER: - // case STRING_DQ: - // case STRING_SQ: - int last; - int newState; - switch (ch) { - case '/': - last = SLASH; - newState = PHP; - break; - - case '*': - last = STAR; - newState = PHP; - break; - - case '\'': - last = NONE; - newState = STRING_SQ; - break; - - case '"': - last = NONE; - newState = STRING_DQ; - break; - - case '\r': - last = CARRIAGE_RETURN; - newState = PHP; - break; - - case '\\': - last = BACKSLASH; - newState = PHP; - break; - - default: - last = NONE; - newState = PHP; - break; - } - - fLast = NONE; // ignore fLast - return preFix(fState, newState, last, 1); - - default: - break; - } - } - } - - // states - switch (fState) { - case PHP: - switch (ch) { - case '#': - if (fTokenLength > 0) { - return preFix(PHP, SINGLE_LINE_COMMENT, NONE, 1); - } else { - preFix(PHP, SINGLE_LINE_COMMENT, NONE, 1); - fTokenOffset += fTokenLength; - fTokenLength = fPrefixLength; - break; - } - case '/': - if (fLast == SLASH) { - if (fTokenLength - getLastLength(fLast) > 0) { - return preFix(PHP, SINGLE_LINE_COMMENT, NONE, 2); - } else { - preFix(PHP, SINGLE_LINE_COMMENT, NONE, 2); - fTokenOffset += fTokenLength; - fTokenLength = fPrefixLength; - break; - } - - } else { - fTokenLength++; - fLast = SLASH; - break; - } - - case '*': - if (fLast == SLASH) { - if (fTokenLength - getLastLength(fLast) > 0) - return preFix(PHP, MULTI_LINE_COMMENT, SLASH_STAR, - 2); - else { - preFix(PHP, MULTI_LINE_COMMENT, SLASH_STAR, 2); - fTokenOffset += fTokenLength; - fTokenLength = fPrefixLength; - break; - } - - } else { - consume(); - break; - } - - case '\'': - fLast = NONE; // ignore fLast - if (fTokenLength > 0) - return preFix(PHP, STRING_SQ, NONE, 1); - else { - preFix(PHP, STRING_SQ, NONE, 1); - fTokenOffset += fTokenLength; - fTokenLength = fPrefixLength; - break; - } - - case '"': - fLast = NONE; // ignore fLast - if (fTokenLength > 0) - return preFix(PHP, STRING_DQ, NONE, 1); - else { - preFix(PHP, STRING_DQ, NONE, 1); - fTokenOffset += fTokenLength; - fTokenLength = fPrefixLength; - break; - } - - default: - consume(); - break; - } - break; - - case SINGLE_LINE_COMMENT: - consume(); - break; - - case PHPDOC: - switch (ch) { - case '/': - switch (fLast) { - case SLASH_STAR_STAR: - return postFix(MULTI_LINE_COMMENT); - - case STAR: - return postFix(PHPDOC); - - default: - consume(); - break; - } - break; - - case '*': - fTokenLength++; - fLast = STAR; - break; - - default: - consume(); - break; - } - break; - - case MULTI_LINE_COMMENT: - switch (ch) { - case '*': - if (fLast == SLASH_STAR) { - fLast = SLASH_STAR_STAR; - fTokenLength++; - fState = PHPDOC; - } else { - fTokenLength++; - fLast = STAR; - } - break; - - case '/': - if (fLast == STAR) { - return postFix(MULTI_LINE_COMMENT); - } else { - consume(); - break; - } - - default: - consume(); - break; - } - break; - - case STRING_DQ: - switch (ch) { - case '\\': - fLast = (fLast == BACKSLASH) ? NONE : BACKSLASH; - fTokenLength++; - break; - - case '\"': - if (fLast != BACKSLASH) { - return postFix(STRING_DQ); - - } else { - consume(); - break; - } - - default: - consume(); - break; - } - break; - case STRING_SQ: - switch (ch) { - case '\\': - fLast = (fLast == BACKSLASH) ? NONE : BACKSLASH; - fTokenLength++; - break; - - case '\'': - if (fLast != BACKSLASH) { - return postFix(STRING_SQ); - - } else { - consume(); - break; - } - - default: - consume(); - break; - } - break; - // case CHARACTER: - // switch (ch) { - // case '\\': - // fLast= (fLast == BACKSLASH) ? NONE : BACKSLASH; - // fTokenLength++; - // break; - // - // case '\'': - // if (fLast != BACKSLASH) { - // return postFix(CHARACTER); - // - // } else { - // consume(); - // break; - // } - // - // default: - // consume(); - // break; - // } - // break; - } - } - } - - private static final int getLastLength(int last) { - switch (last) { - default: - return -1; - - case NONE: - return 0; - - case CARRIAGE_RETURN: - case BACKSLASH: - case SLASH: - case STAR: - return 1; - - case SLASH_STAR: - return 2; - - case SLASH_STAR_STAR: - return 3; - } - } - - private final void consume() { - fTokenLength++; - fLast = NONE; - } - - private final IToken postFix(int state) { - fTokenLength++; - fLast = NONE; - fState = PHP; - fPrefixLength = 0; - return fTokens[state]; - } - - private final IToken preFix(int state, int newState, int last, - int prefixLength) { - // emulate JavaPartitionScanner - if (fEmulate && state == PHP - && (fTokenLength - getLastLength(fLast) > 0)) { - fTokenLength -= getLastLength(fLast); - fJavaOffset = fTokenOffset; - fJavaLength = fTokenLength; - fTokenLength = 1; - fState = newState; - fPrefixLength = prefixLength; - fLast = last; - return fTokens[state]; - - } else { - fTokenLength -= getLastLength(fLast); - fLast = last; - fPrefixLength = prefixLength; - IToken token = fTokens[state]; - fState = newState; - return token; - } - } - - private static int getState(String contentType) { - - if (contentType == null) - return PHP; - - else if (contentType.equals(PHP_SINGLELINE_COMMENT)) - return SINGLE_LINE_COMMENT; - - else if (contentType.equals(PHP_MULTILINE_COMMENT)) - return MULTI_LINE_COMMENT; - - else if (contentType.equals(PHP_PHPDOC_COMMENT)) - return PHPDOC; - - else if (contentType.equals(PHP_STRING_DQ)) - return STRING_DQ; - - else if (contentType.equals(PHP_STRING_SQ)) - return STRING_SQ; - - else if (contentType.equals(PHP_STRING_HEREDOC)) - return STRING_HEREDOC; - - // else if (contentType.equals(JAVA_CHARACTER)) - // return CHARACTER; - - else - return PHP; - } - - /* - * @see IPartitionTokenScanner#setPartialRange(IDocument, int, int, String, - * int) - */ - public void setPartialRange(IDocument document, int offset, int length, - String contentType, int partitionOffset) { - fScanner.setRange(document, offset, length); - setRange(document, offset, length); - fTokenOffset = partitionOffset; - fTokenLength = 0; - fPrefixLength = offset - partitionOffset; - fLast = NONE; - - if (offset == partitionOffset) { - // restart at beginning of partition - fState = PHP; - } else { - fState = getState(contentType); - } - - // emulate JavaPartitionScanner - if (fEmulate) { - fJavaOffset = -1; - fJavaLength = 0; - } - } - - /* - * @see ITokenScanner#setRange(IDocument, int, int) - */ - public void setRange(IDocument document, int offset, int length) { - fScanner.setRange(document, offset, length); - fTokenOffset = offset; - fTokenLength = 0; - fPrefixLength = 0; - fLast = NONE; - fState = PHP; - - // emulate JavaPartitionScanner - if (fEmulate) { - fJavaOffset = -1; - fJavaLength = 0; - } - } - - /* - * @see ITokenScanner#getTokenLength() - */ - public int getTokenLength() { - return fTokenLength; - } - - /* - * @see ITokenScanner#getTokenOffset() - */ - public int getTokenOffset() { - if (AbstractPartitioner.DEBUG) { - Assert.isTrue(fTokenOffset >= 0, Integer.toString(fTokenOffset)); - } - return fTokenOffset; - } - -} \ No newline at end of file