diff options
Diffstat (limited to 'bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/StringParser.java')
| -rw-r--r-- | bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/StringParser.java | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/StringParser.java b/bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/StringParser.java deleted file mode 100644 index 799b74beb8..0000000000 --- a/bundles/org.eclipse.wst.dtd.core/saxparser/org/eclipse/wst/dtd/core/internal/saxparser/StringParser.java +++ /dev/null @@ -1,485 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2008 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ - -package org.eclipse.wst.dtd.core.internal.saxparser; - -/** - * Reader for processing/parsing xml string - * - * @version - */ -public class StringParser { - String fData = null; - int fEndOffset; - int fMostRecentChar; - int fCurrentOffset; - boolean fCalledCharPropInit = false; - - public StringParser(String data) { - fData = data; - fCurrentOffset = 0; - fEndOffset = fData.length(); - fMostRecentChar = fEndOffset == 0 ? -1 : fData.charAt(0); - } - - public String getString(int offset, int length) { - if (length == 0) - return ""; //$NON-NLS-1$ - return fData.substring(offset, offset + length); - } - - public String getData() { - return fData; - } - - public String getRemainingString() { - return fData.substring(getCurrentOffset()); - } - - public int getCurrentOffset() { - return fCurrentOffset; - } - - // - // - public int loadNextChar() { - if (++fCurrentOffset >= fEndOffset) { - fMostRecentChar = -1; - } - else { - fMostRecentChar = fData.charAt(fCurrentOffset); - } - return fMostRecentChar; - } - - public int loadPreviousChar() { - if (--fCurrentOffset < 0) - fMostRecentChar = -1; - else - fMostRecentChar = fData.charAt(fCurrentOffset); - return fMostRecentChar; - } - - // - // - public boolean lookingAtChar(char chr, boolean skipPastChar) { - int ch = fMostRecentChar; - if (ch != chr) { - return false; - } - if (skipPastChar) { - if (++fCurrentOffset >= fEndOffset) { - fMostRecentChar = -1; - } - else { - fMostRecentChar = fData.charAt(fCurrentOffset); - } - } - return true; - } - - // - // - // - public boolean lookingAtValidChar(boolean skipPastChar) { - int ch = fMostRecentChar; - if (ch < 0xD800) { - if (ch < 0x20 && ch != 0x09 && ch != 0x0A && ch != 0x0D) { - return false; - } - if (skipPastChar) { - if (++fCurrentOffset >= fEndOffset) { - fMostRecentChar = -1; - } - else { - fMostRecentChar = fData.charAt(fCurrentOffset); - } - } - return true; - } - if (ch > 0xFFFD) { - return false; - } - if (ch < 0xDC00) { - if (fCurrentOffset + 1 >= fEndOffset) { - return false; - } - ch = fData.charAt(fCurrentOffset + 1); - if (ch < 0xDC00 || ch >= 0xE000) { - return false; - } - else if (!skipPastChar) { - return true; - } - else { - fCurrentOffset++; - } - } - else if (ch < 0xE000) { - return false; - } - if (skipPastChar) { - if (++fCurrentOffset >= fEndOffset) { - fMostRecentChar = -1; - } - else { - fMostRecentChar = fData.charAt(fCurrentOffset); - } - } - return true; - } - - // - // - // - public boolean lookingAtSpace(boolean skipPastChar) { - int ch = fMostRecentChar; - if (ch > 0x20) - return false; - if (ch == 0x20 || ch == 0x0A || ch == 0x0D || ch == 0x09) { - if (skipPastChar) { - loadNextChar(); - } - return true; - } - return false; - } - - // - // - // - public void skipToChar(char chr, boolean skipPastChar) { - // - // REVISIT - this will skip invalid characters without reporting them. - // - int ch = fMostRecentChar; - while (true) { - if (ch == chr) { - if (skipPastChar) { - loadNextChar(); - } - return; - } - if (ch == -1) { - return; - } - ch = loadNextChar(); - } - } - - /** - * skips to the last occurrence of the specified character. - * if <code>skipPastChar</code> is true, the parser is - * incremented past the last occurrence of the character. - * This method starts at the end of the character data, and - * moves backwards to find the last occurrence of the character - */ - public void skipToLastOfChar(char chr, boolean skipPastChar) { - int ch = -1; - - // Move the cursor to the end offset to scan backwards. - fCurrentOffset = fEndOffset; - - do { - ch = loadPreviousChar(); - - if(ch == -1) - return; - - if (ch == chr) { - if(skipPastChar) - loadNextChar(); - return; - } - - } while(true); - } - - // - // - // - public void skipPastSpaces() { - int ch = fMostRecentChar; - if (ch == -1) { - // changeReaders().skipPastSpaces(); - return; - } - while (true) { - if (ch > 0x20 || (ch != 0x20 && ch != 0x0A && ch != 0x09 && ch != 0x0D)) { - fMostRecentChar = ch; - return; - } - if (++fCurrentOffset >= fEndOffset) { - return; - } - ch = fData.charAt(fCurrentOffset); - } - } - - // - // - // - - public void skipPastNameAndPEReference(char fastcheck) { - int ch = fMostRecentChar; - - if (ch != '%') { - if (ch < 0x80) { - if (ch == -1 || XMLCharacterProperties.fgAsciiInitialNameChar[ch] == 0) - return; - } - else { - if (!fCalledCharPropInit) { - XMLCharacterProperties.initCharFlags(); - fCalledCharPropInit = true; - } - if ((XMLCharacterProperties.fgCharFlags[ch] & XMLCharacterProperties.E_InitialNameCharFlag) == 0) - return; - } - } - while (true) { - ch = loadNextChar(); - if (fastcheck == ch) - return; - if (ch == '%' || ch == ';') { - continue; - } - - if (ch < 0x80) { - if (ch == -1 || XMLCharacterProperties.fgAsciiNameChar[ch] == 0) - return; - } - else { - if (!fCalledCharPropInit) { - XMLCharacterProperties.initCharFlags(); - fCalledCharPropInit = true; - } - if ((XMLCharacterProperties.fgCharFlags[ch] & XMLCharacterProperties.E_NameCharFlag) == 0) - return; - } - } - } - - public void skipPastName(char fastcheck) { - int ch = fMostRecentChar; - // System.out.println("skippastName ch: " +ch); - - if (ch < 0x80) { - if (ch == -1 || XMLCharacterProperties.fgAsciiInitialNameChar[ch] == 0) - return; - } - else { - if (!fCalledCharPropInit) { - XMLCharacterProperties.initCharFlags(); - fCalledCharPropInit = true; - } - if ((XMLCharacterProperties.fgCharFlags[ch] & XMLCharacterProperties.E_InitialNameCharFlag) == 0) - return; - } - - while (true) { - ch = loadNextChar(); - if (fastcheck == ch) - return; - if (ch < 0x80) { - if (ch == -1 || XMLCharacterProperties.fgAsciiNameChar[ch] == 0) - return; - } - else { - if (!fCalledCharPropInit) { - XMLCharacterProperties.initCharFlags(); - fCalledCharPropInit = true; - } - if ((XMLCharacterProperties.fgCharFlags[ch] & XMLCharacterProperties.E_NameCharFlag) == 0) - return; - } - } - } - - // - // - // - - public void skipPastNmtoken(char fastcheck) { - int ch = fMostRecentChar; - while (true) { - if (fastcheck == ch) - return; - if (ch < 0x80) { - if (ch == -1 || XMLCharacterProperties.fgAsciiNameChar[ch] == 0) - return; - } - else { - if (!fCalledCharPropInit) { - XMLCharacterProperties.initCharFlags(); - fCalledCharPropInit = true; - } - if ((XMLCharacterProperties.fgCharFlags[ch] & XMLCharacterProperties.E_NameCharFlag) == 0) - return; - } - ch = loadNextChar(); - } - } - - public void skipPastNmtokenAndPEReference(char fastcheck) { - int ch = fMostRecentChar; - while (true) { - if (fastcheck == ch) - return; - if (ch == '%' || ch == ';') { - ch = loadNextChar(); - continue; - } - if (ch < 0x80) { - if (ch == -1 || XMLCharacterProperties.fgAsciiNameChar[ch] == 0) - return; - } - else { - if (!fCalledCharPropInit) { - XMLCharacterProperties.initCharFlags(); - fCalledCharPropInit = true; - } - if ((XMLCharacterProperties.fgCharFlags[ch] & XMLCharacterProperties.E_NameCharFlag) == 0) - return; - } - ch = loadNextChar(); - } - } - - // - // - // - public boolean skippedString(char[] s) { - int ch = fMostRecentChar; - if (ch != s[0]) { - return false; - } - if (fCurrentOffset + s.length > fEndOffset) - return false; - for (int i = 1; i < s.length; i++) { - if (fData.charAt(fCurrentOffset + i) != s[i]) - return false; - } - fCurrentOffset += (s.length - 1); - loadNextChar(); - return true; - } - - // - // - // - public int scanInvalidChar() throws Exception { - int ch = fMostRecentChar; - loadNextChar(); - return ch; - } - - // - // - // - /* - * public int scanCharRef(boolean hex) throws Exception { int ch = - * fMostRecentChar; if (ch == -1) // return - * changeReaders().scanCharRef(hex); return ch; int num = 0; if (hex) { if - * (ch > 'f' || XMLCharacterProperties.fgAsciiXDigitChar[ch] == 0) return - * XMLEntityHandler.CHARREF_RESULT_INVALID_CHAR; num = ch - (ch < 'A' ? - * '0' : (ch < 'a' ? 'A' : 'a') - 10); } else { if (ch < '0' || ch > '9') - * return XMLEntityHandler.CHARREF_RESULT_INVALID_CHAR; num = ch - '0'; } - * boolean toobig = false; while (true) { ch = loadNextChar(); if (ch == - * -1) return XMLEntityHandler.CHARREF_RESULT_SEMICOLON_REQUIRED; if (hex) { - * if (ch > 'f' || XMLCharacterProperties.fgAsciiXDigitChar[ch] == 0) - * break; } else { if (ch < '0' || ch > '9') break; } if (hex) { int dig = - * ch - (ch < 'A' ? '0' : (ch < 'a' ? 'A' : 'a') - 10); num = (num << 4) + - * dig; } else { int dig = ch - '0'; num = (num * 10) + dig; } if (num > - * 0x10FFFF) { toobig = true; num = 0; } } if (ch != ';') return - * XMLEntityHandler.CHARREF_RESULT_SEMICOLON_REQUIRED; loadNextChar(); if - * (toobig) return XMLEntityHandler.CHARREF_RESULT_OUT_OF_RANGE; return - * num; } - */ - // - // - // - /* - * public int scanStringLiteral() throws Exception { boolean single; if - * (!(single = lookingAtChar('\'', true)) && !lookingAtChar('\"', true)) { - * return XMLEntityHandler.STRINGLIT_RESULT_QUOTE_REQUIRED; } int offset = - * fCurrentOffset; char qchar = single ? '\'' : '\"'; while - * (!lookingAtChar(qchar, false)) { if (!lookingAtValidChar(true)) { - * return XMLEntityHandler.STRINGLIT_RESULT_INVALID_CHAR; } } // int - * stringIndex = addString(offset, fCurrentOffset - offset); int - * stringIndex = addString(offset, fCurrentOffset - offset); - * lookingAtChar(qchar, true); // move past qchar return stringIndex; } - */ - - // - // - public boolean scanAttValue(char qchar) { - boolean result = true; - while (true) { - if (lookingAtChar(qchar, false)) { - break; - } - if (lookingAtChar(' ', true)) { - continue; - } - if (!lookingAtValidChar(true)) { - result = false; - } - } - lookingAtChar(qchar, true); - return result; - } - - // - // [9] EntityValue ::= '"' ([^%&"] | PEReference | Reference)* '"' - // | "'" ([^%&'] | PEReference | Reference)* "'" - // - // The values in the following table are defined as: - // - // 0 - not special - // 1 - quote character - // 2 - reference - // 3 - peref - // 4 - invalid - // - public static final byte fgAsciiEntityValueChar[] = {4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 4, 4, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 1, 0, 0, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, // '\"', - // '%', - // '&', - // '\'' - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - - /* - * public int scanEntityValue(int qchar, boolean createString) throws - * Exception { int offset = fCurrentOffset; int ch = fMostRecentChar; - * while (true) { if (ch == -1) { changeReaders(); // do not call next - * reader, our caller may need to change the parameters return - * XMLEntityHandler.ENTITYVALUE_RESULT_END_OF_INPUT; } if (ch < 0x80) { - * switch (fgAsciiEntityValueChar[ch]) { case 1: // quote char if (ch == - * qchar) { if (!createString) return - * XMLEntityHandler.ENTITYVALUE_RESULT_FINISHED; int length = - * fCurrentOffset - offset; int result = length == 0 ? - * StringPool.EMPTY_STRING : addString(offset, length); loadNextChar(); - * return result; } // the other quote character is not special // fall - * through case 0: // non-special char if (++fCurrentOffset >= fEndOffset) { - * if (oweTrailingSpace) { oweTrailingSpace = false; ch = fMostRecentChar = ' '; } - * else { ch = fMostRecentChar = -1; } } else { ch = fMostRecentChar = - * fData.charAt(fCurrentOffset); } continue; case 2: // reference return - * XMLEntityHandler.ENTITYVALUE_RESULT_REFERENCE; case 3: // peref return - * XMLEntityHandler.ENTITYVALUE_RESULT_PEREF; case 4: // invalid return - * XMLEntityHandler.ENTITYVALUE_RESULT_INVALID_CHAR; } } else if (ch < - * 0xD800) { ch = loadNextChar(); } else if (ch >= 0xE000 && (ch <= 0xFFFD || - * (ch >= 0x10000 && ch <= 0x10FFFF))) { // // REVISIT - needs more code - * to check surrogates. // ch = loadNextChar(); } else { return - * XMLEntityHandler.ENTITYVALUE_RESULT_INVALID_CHAR; } } } - */ - - -} |