+++ /dev/null
-/*
- * Copyright (c) 2002-2004 Widespace, OU 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:
- * Igor Malinin - initial contribution
- *
- * $Id: PHPXMLPartitionScanner.java,v 1.3 2006-10-21 23:14:13 pombredanne Exp $
- */
-
-package net.sourceforge.phpeclipse.xml.ui.internal.text;
-
-import java.util.HashMap;
-import java.util.Map;
-
-//incastrix
-//import org.eclipse.jface.text.Assert;
-import org.eclipse.core.runtime.Assert;
-import org.eclipse.jface.text.BadLocationException;
-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;
-
-/**
- *
- *
- * @author Igor Malinin
- */
-public class PHPXMLPartitionScanner implements IPartitionTokenScanner {
- // public static final String XML_PI = "__xml_processing_instruction";
- public static final String XML_COMMENT = "__xml_comment";
-
- public static final String XML_DECL = "__xml_declaration";
-
- public static final String XML_TAG = "__xml_tag";
-
- public static final String XML_ATTRIBUTE = "__xml_attribute";
-
- public static final String XML_CDATA = "__xml_cdata";
-
- public static final String DTD_INTERNAL = "__dtd_internal";
-
- // public static final String DTD_INTERNAL_PI = "__dtd_internal_pi";
- public static final String DTD_INTERNAL_COMMENT = "__dtd_internal_comment";
-
- public static final String DTD_INTERNAL_DECL = "__dtd_internal_declaration";
-
- public static final String DTD_CONDITIONAL = "__dtd_conditional";
-
- public static final int STATE_DEFAULT = 0;
-
- public static final int STATE_TAG = 1;
-
- public static final int STATE_DECL = 2;
-
- public static final int STATE_CDATA = 4;
-
- public static final int STATE_INTERNAL = 8;
-
- protected IDocument document;
-
- protected int end;
-
- protected int offset;
-
- protected int length;
-
- protected int position;
-
- protected int state;
-
- protected boolean parsedtd;
-
- protected Map tokens = new HashMap();
-
- public PHPXMLPartitionScanner(boolean parsedtd) {
- this.parsedtd = parsedtd;
- }
-
- /*
- * @see org.eclipse.jface.text.rules.ITokenScanner#nextToken()
- */
- public IToken nextToken() {
- offset += length;
-
- switch (state) {
- case STATE_TAG:
- return nextTagToken();
-
- case STATE_DECL:
- return nextDeclToken();
-
- case STATE_CDATA:
- return nextCDATAToken();
- }
-
- switch (read()) {
- case ICharacterScanner.EOF:
- state = STATE_DEFAULT;
- return getToken(null);
-
- case '<':
- switch (read()) {
- case ICharacterScanner.EOF:
- if (parsedtd || isInternal()) {
- break;
- }
-
- state = STATE_DEFAULT;
- return getToken(XML_TAG);
-
- case '?': // <? <?PI
- unread();
- break;
- // return nextPIToken();
-
- case '!': // <! <!DEFINITION or <![CDATA[ or <!--COMMENT
- switch (read()) {
- case ICharacterScanner.EOF:
- state = STATE_DEFAULT;
- return getToken(XML_TAG);
-
- case '-': // <!- <!--COMMENT
- switch (read()) {
- case ICharacterScanner.EOF:
- return nextDeclToken();
-
- case '-': // <!--
- return nextCommentToken();
- }
-
- case '[': // <![ <![CDATA[ or <![%cond;[
- if (parsedtd) {
- return nextConditionalToken();
- }
-
- if (!isInternal()) {
- return nextCDATAToken();
- }
- }
-
- return nextDeclToken();
- }
-
- if (parsedtd || isInternal()) {
- break;
- }
-
- unread();
-
- return nextTagToken();
-
- case ']':
- if (isInternal()) {
- unread();
-
- state = STATE_DECL;
- length = 0;
- return nextToken();
- }
- break;
- default:
- unread();
- }
-
- loop: while (true) {
- switch (read()) {
- case ICharacterScanner.EOF:
- state = STATE_DEFAULT;
- return getToken(null);
-
- case '<':
- if (parsedtd || isInternal()) {
- switch (read()) {
- case ICharacterScanner.EOF:
- state = STATE_DEFAULT;
- return getToken(null);
-
- case '!':
- case '?':
- unread();
- break;
-
- default:
- continue loop;
- }
- }
-
- unread();
-
- state &= STATE_INTERNAL;
- return getToken(isInternal() ? DTD_INTERNAL : null);
-
- case ']':
- if (isInternal()) {
- unread();
-
- state = STATE_DECL;
- if (position == offset) {
- // nothing between
- length = 0;
- return nextToken();
- }
-
- return getToken(DTD_INTERNAL);
- }
- }
- }
- }
-
- private IToken nextTagToken() {
- int quot = read();
-
- switch (quot) {
- case ICharacterScanner.EOF:
- case '>':
- state = STATE_DEFAULT;
- return getToken(XML_TAG);
-
- case '"':
- case '\'':
- while (true) {
- int ch = read();
-
- if (ch == quot) {
- state = STATE_TAG;
- return getToken(XML_ATTRIBUTE);
- }
-
- switch (ch) {
- case '<':
- unread();
-
- case ICharacterScanner.EOF:
- state = STATE_DEFAULT;
- return getToken(XML_ATTRIBUTE);
- }
- }
- default:
- unread();
- }
-
- while (true) {
- switch (read()) {
- case '<':
- unread();
-
- case ICharacterScanner.EOF:
- case '>':
- state = STATE_DEFAULT;
- return getToken(XML_TAG);
-
- case '"':
- case '\'':
- unread();
-
- state = STATE_TAG;
- return getToken(XML_TAG);
- }
- }
- }
-
- private IToken nextDeclToken() {
- loop: while (true) {
- switch (read()) {
- case ICharacterScanner.EOF:
- state = STATE_DEFAULT;
- return getToken(isInternal() ? DTD_INTERNAL_DECL : XML_DECL);
-
- case '<':
- if (parsedtd || isInternal()) {
- switch (read()) {
- case ICharacterScanner.EOF:
- state = STATE_DEFAULT;
- return getToken(isInternal() ? DTD_INTERNAL : null);
-
- case '!':
- case '?':
- unread();
- break;
-
- default:
- continue loop;
- }
- }
-
- unread();
-
- case '>':
- state &= STATE_INTERNAL;
- return getToken(isInternal() ? DTD_INTERNAL_DECL : XML_DECL);
-
- case '[': // <!DOCTYPE xxx [dtd]>
- if (!isInternal()) {
- state = STATE_INTERNAL;
- return getToken(XML_DECL);
- }
- }
- }
- }
-
- private IToken nextCommentToken() {
- state &= STATE_INTERNAL;
-
- loop: while (true) {
- switch (read()) {
- case ICharacterScanner.EOF:
- break loop;
-
- case '-': // - -->
- switch (read()) {
- case ICharacterScanner.EOF:
- break loop;
-
- case '-': // -- -->
- switch (read()) {
- case ICharacterScanner.EOF:
- case '>':
- break loop;
- }
-
- unread();
- continue loop;
- }
- }
- }
-
- return getToken(isInternal() ? DTD_INTERNAL_COMMENT : XML_COMMENT);
- }
-
- private IToken nextCDATAToken() {
- state = STATE_DEFAULT;
-
- loop: while (true) {
- switch (read()) {
- case ICharacterScanner.EOF:
- break loop;
-
- case ']': // ] ]]>
- switch (read()) {
- case ICharacterScanner.EOF:
- break loop;
-
- case ']': // ]] ]]>
- switch (read()) {
- case ICharacterScanner.EOF:
- case '>': // ]]>
- break loop;
- }
-
- unread();
- unread();
- continue loop;
- }
- }
- }
-
- return getToken(XML_CDATA);
- }
-
- private IToken nextConditionalToken() {
- state = STATE_DEFAULT;
-
- int level = 1;
-
- loop: while (true) {
- switch (read()) {
- case ICharacterScanner.EOF:
- break loop;
-
- case '<': // - -->
- switch (read()) {
- case ICharacterScanner.EOF:
- break loop;
-
- case '!': // -- -->
- switch (read()) {
- case ICharacterScanner.EOF:
- break loop;
-
- case '[':
- ++level;
- continue loop;
- }
-
- unread();
- continue loop;
- }
-
- unread();
- continue loop;
-
- case ']': // - -->
- switch (read()) {
- case ICharacterScanner.EOF:
- break loop;
-
- case ']': // -- -->
- switch (read()) {
- case ICharacterScanner.EOF:
- case '>':
- if (--level == 0) {
- break loop;
- }
-
- continue loop;
- }
-
- unread();
- unread();
- continue loop;
- }
- }
- }
-
- return getToken(DTD_CONDITIONAL);
- }
-
- private IToken getToken(String type) {
- length = position - offset;
-
- if (length == 0) {
- return Token.EOF;
- }
-
- if (type == null) {
- return Token.UNDEFINED;
- }
-
- IToken token = (IToken) tokens.get(type);
- if (token == null) {
- token = new Token(type);
- tokens.put(type, token);
- }
-
- return token;
- }
-
- private boolean isInternal() {
- return (state & STATE_INTERNAL) != 0;
- }
-
- private int read() {
- if (position >= end) {
- return ICharacterScanner.EOF;
- }
-
- try {
- return document.getChar(position++);
- } catch (BadLocationException e) {
- --position;
- return ICharacterScanner.EOF;
- }
- }
-
- private void unread() {
- --position;
- }
-
- /*
- * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenOffset()
- */
- public int getTokenOffset() {
- Assert.isTrue(offset >= 0, Integer.toString(offset));
- return offset;
- }
-
- /*
- * @see org.eclipse.jface.text.rules.ITokenScanner#getTokenLength()
- */
- public int getTokenLength() {
- return length;
- }
-
- /*
- * @see org.eclipse.jface.text.rules.ITokenScanner#setRange(IDocument, int,
- * int)
- */
- public void setRange(IDocument document, int offset, int length) {
- this.document = document;
- this.end = offset + length;
-
- this.offset = offset;
- this.position = offset;
- this.length = 0;
-
- this.state = STATE_DEFAULT;
- }
-
- /*
- * @see org.eclipse.jface.text.rules.IPartitionTokenScanner
- */
- // public void setPartialRange(IDocument document, int offset, int length,
- // String contentType, int partitionOffset) {
- // state = STATE_DEFAULT;
- // if (partitionOffset > -1) {
- // int delta = offset - partitionOffset;
- // if (delta > 0) {
- // setRange(document, partitionOffset, length + delta);
- // return;
- // }
- // }
- // setRange(document, partitionOffset, length);
- // }
- /*
- * @see org.eclipse.jface.text.rules.IPartitionTokenScanner
- */
- public void setPartialRange(IDocument document, int offset, int length,
- String contentType, int partitionOffset) {
- // boolean flag = false;
- this.document = document;
- this.end = offset + length;
-
- // NB! Undocumented value: -1
- if (partitionOffset >= 0) {
- offset = partitionOffset;
- // flag = true;
- }
-
- this.offset = offset;
- this.position = offset;
- this.length = 0;
-
- // if (flag) {
- // state = STATE_DEFAULT;
- // return;
- // }
- if (contentType == XML_ATTRIBUTE) {
- state = STATE_TAG;
- return;
- }
-
- if (contentType == XML_TAG) {
- state = isContinuationPartition() ? STATE_TAG : STATE_DEFAULT;
- return;
- }
-
- if (contentType == XML_DECL) {
- state = isContinuationPartition() ? STATE_DECL : STATE_DEFAULT;
- return;
- }
-
- if (contentType == DTD_INTERNAL || contentType == DTD_INTERNAL_DECL
- || contentType == DTD_INTERNAL_COMMENT) {
- state = STATE_INTERNAL;
- return;
- }
-
- state = STATE_DEFAULT;
- }
-
- private boolean isContinuationPartition() {
- try {
- String type = document.getContentType(offset - 1);
-
- if (type != IDocument.DEFAULT_CONTENT_TYPE) {
- return true;
- }
- } catch (BadLocationException e) {
- }
-
- return false;
- }
-}
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