| /******************************************************************************* |
| * Copyright (c) 2011, 2012 Red Hat, Inc. |
| * All rights reserved. |
| * This program is 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: |
| * Red Hat, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpmn2.modeler.core.validation; |
| |
| public class SyntaxCheckerUtils { |
| public static final boolean isNCName(String name) { |
| if (name==null || name.isEmpty()) |
| return false; |
| |
| int nameLength = name.length(); |
| |
| // Check first character |
| char c = name.charAt(0); |
| |
| if (c == '_' || isLetter(c)) { |
| // Check the rest of the characters |
| for (int i = 1; i < nameLength; i++) { |
| c = name.charAt(i); |
| if (!isNCNameChar(c)) { |
| return false; |
| } |
| } |
| |
| // All characters have been checked |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public static final String toNCName(String name) { |
| if (name==null || name.isEmpty()) |
| return "_"; //$NON-NLS-1$ |
| |
| StringBuffer ncname = new StringBuffer(); |
| int nameLength = name.length(); |
| |
| // Check first character |
| char c = name.charAt(0); |
| |
| if (c == '_' || isLetter(c)) |
| ncname.append(c); |
| else |
| ncname.append('_'); |
| // Check the rest of the characters |
| for (int i = 1; i < nameLength; i++) { |
| c = name.charAt(i); |
| // if (Character.isWhitespace(c)) |
| // continue; |
| if (!isNCNameChar(c)) { |
| c = '_'; |
| } |
| ncname.append(c); |
| } |
| return ncname.toString(); |
| } |
| |
| public static final boolean isNCNameChar(char c) { |
| return _isAsciiBaseChar(c) || _isAsciiDigit(c) || c == '.' || c == '-' || c == '_' || _isNonAsciiBaseChar(c) |
| || _isNonAsciiDigit(c) || isIdeographic(c) || isCombiningChar(c) || isExtender(c); |
| } |
| |
| public static final boolean isJavaIdentifier(String name) { |
| if (name==null || name.isEmpty()) |
| return false; |
| |
| int nameLength = name.length(); |
| |
| // Check first character |
| char c = name.charAt(0); |
| |
| if (Character.isJavaIdentifierStart(c)) { |
| // Check the rest of the characters |
| for (int i = 1; i < nameLength; i++) { |
| c = name.charAt(i); |
| if (!Character.isJavaIdentifierPart(c)) { |
| return false; |
| } |
| } |
| |
| // All characters have been checked |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public static final String toJavaIdentifier(String name) { |
| if (name==null || name.isEmpty()) |
| return "_"; //$NON-NLS-1$ |
| |
| StringBuffer ncname = new StringBuffer(); |
| int nameLength = name.length(); |
| |
| // Check first character |
| char c = name.charAt(0); |
| |
| if (Character.isJavaIdentifierStart(c)) |
| ncname.append(c); |
| else |
| ncname.append('_'); |
| // Check the rest of the characters |
| for (int i = 1; i < nameLength; i++) { |
| c = name.charAt(i); |
| if (!Character.isJavaIdentifierPart(c)) { |
| c = '_'; |
| } |
| ncname.append(c); |
| } |
| return ncname.toString(); |
| } |
| |
| public static final boolean isLetter(char c) { |
| return _isAsciiBaseChar(c) || _isNonAsciiBaseChar(c) || isIdeographic(c); |
| } |
| |
| public static final String toXMLString(String string) { |
| if (string==null || string.isEmpty()) |
| return ""; //$NON-NLS-1$ |
| |
| StringBuffer xmlString = new StringBuffer(); |
| int stringLength = string.length(); |
| |
| for (int i = 0; i < stringLength; i++) { |
| char c = string.charAt(i); |
| if (c == '"') |
| xmlString.append("""); //$NON-NLS-1$ |
| else if (c == '&') |
| xmlString.append("&"); //$NON-NLS-1$ |
| else if (c == '\'') |
| xmlString.append("'"); //$NON-NLS-1$ |
| else if (c == '<') |
| xmlString.append("<"); //$NON-NLS-1$ |
| else if (c == '>') |
| xmlString.append(">"); //$NON-NLS-1$ |
| else |
| xmlString.append(c); |
| } |
| return xmlString.toString(); |
| } |
| |
| public static final String fromXMLString(String xmlString) { |
| if (xmlString==null || xmlString.isEmpty()) |
| return ""; //$NON-NLS-1$ |
| |
| StringBuffer string = new StringBuffer(); |
| int stringLength = xmlString.length(); |
| |
| for (int i = 0; i < stringLength; i++) { |
| char c = xmlString.charAt(i); |
| if (c == '&') { |
| int si = xmlString.indexOf(';', i); |
| if (si>0) { |
| String ss = xmlString.substring(i, si); |
| if (""".equals(ss)) //$NON-NLS-1$ |
| c = '"'; |
| else if ("&".equals(ss)) //$NON-NLS-1$ |
| c = '&'; |
| else if ("&apos".equals(ss)) //$NON-NLS-1$ |
| c = '\''; |
| else if ("<".equals(ss)) //$NON-NLS-1$ |
| c = '<'; |
| else if (">".equals(ss)) //$NON-NLS-1$ |
| c = '>'; |
| else |
| si = -1; |
| if (si>0) |
| i = si; |
| } |
| } |
| string.append(c); |
| } |
| return string.toString(); |
| } |
| |
| private static final boolean _isAsciiBaseChar(char c) { |
| return _charInRange(c, 0x0041, 0x005A) || _charInRange(c, 0x0061, 0x007A); |
| } |
| |
| private static final boolean _isNonAsciiBaseChar(char c) { |
| return _charInRange(c, 0x00C0, 0x00D6) || _charInRange(c, 0x00D8, 0x00F6) || _charInRange(c, 0x00F8, 0x00FF) |
| || _charInRange(c, 0x0100, 0x0131) || _charInRange(c, 0x0134, 0x013E) |
| || _charInRange(c, 0x0141, 0x0148) || _charInRange(c, 0x014A, 0x017E) |
| || _charInRange(c, 0x0180, 0x01C3) || _charInRange(c, 0x01CD, 0x01F0) |
| || _charInRange(c, 0x01F4, 0x01F5) || _charInRange(c, 0x01FA, 0x0217) |
| || _charInRange(c, 0x0250, 0x02A8) || _charInRange(c, 0x02BB, 0x02C1) || c == 0x0386 |
| || _charInRange(c, 0x0388, 0x038A) || c == 0x038C || _charInRange(c, 0x038E, 0x03A1) |
| || _charInRange(c, 0x03A3, 0x03CE) || _charInRange(c, 0x03D0, 0x03D6) || c == 0x03DA || c == 0x03DC |
| || c == 0x03DE || c == 0x03E0 || _charInRange(c, 0x03E2, 0x03F3) || _charInRange(c, 0x0401, 0x040C) |
| || _charInRange(c, 0x040E, 0x044F) || _charInRange(c, 0x0451, 0x045C) |
| || _charInRange(c, 0x045E, 0x0481) || _charInRange(c, 0x0490, 0x04C4) |
| || _charInRange(c, 0x04C7, 0x04C8) || _charInRange(c, 0x04CB, 0x04CC) |
| || _charInRange(c, 0x04D0, 0x04EB) || _charInRange(c, 0x04EE, 0x04F5) |
| || _charInRange(c, 0x04F8, 0x04F9) || _charInRange(c, 0x0531, 0x0556) || c == 0x0559 |
| || _charInRange(c, 0x0561, 0x0586) || _charInRange(c, 0x05D0, 0x05EA) |
| || _charInRange(c, 0x05F0, 0x05F2) || _charInRange(c, 0x0621, 0x063A) |
| || _charInRange(c, 0x0641, 0x064A) || _charInRange(c, 0x0671, 0x06B7) |
| || _charInRange(c, 0x06BA, 0x06BE) || _charInRange(c, 0x06C0, 0x06CE) |
| || _charInRange(c, 0x06D0, 0x06D3) || c == 0x06D5 || _charInRange(c, 0x06E5, 0x06E6) |
| || _charInRange(c, 0x0905, 0x0939) || c == 0x093D || _charInRange(c, 0x0958, 0x0961) |
| || _charInRange(c, 0x0985, 0x098C) || _charInRange(c, 0x098F, 0x0990) |
| || _charInRange(c, 0x0993, 0x09A8) || _charInRange(c, 0x09AA, 0x09B0) || c == 0x09B2 |
| || _charInRange(c, 0x09B6, 0x09B9) || _charInRange(c, 0x09DC, 0x09DD) |
| || _charInRange(c, 0x09DF, 0x09E1) || _charInRange(c, 0x09F0, 0x09F1) |
| || _charInRange(c, 0x0A05, 0x0A0A) || _charInRange(c, 0x0A0F, 0x0A10) |
| || _charInRange(c, 0x0A13, 0x0A28) || _charInRange(c, 0x0A2A, 0x0A30) |
| || _charInRange(c, 0x0A32, 0x0A33) || _charInRange(c, 0x0A35, 0x0A36) |
| || _charInRange(c, 0x0A38, 0x0A39) || _charInRange(c, 0x0A59, 0x0A5C) || c == 0x0A5E |
| || _charInRange(c, 0x0A72, 0x0A74) || _charInRange(c, 0x0A85, 0x0A8B) || c == 0x0A8D |
| || _charInRange(c, 0x0A8F, 0x0A91) || _charInRange(c, 0x0A93, 0x0AA8) |
| || _charInRange(c, 0x0AAA, 0x0AB0) || _charInRange(c, 0x0AB2, 0x0AB3) |
| || _charInRange(c, 0x0AB5, 0x0AB9) || c == 0x0ABD || c == 0x0AE0 || _charInRange(c, 0x0B05, 0x0B0C) |
| || _charInRange(c, 0x0B0F, 0x0B10) || _charInRange(c, 0x0B13, 0x0B28) |
| || _charInRange(c, 0x0B2A, 0x0B30) || _charInRange(c, 0x0B32, 0x0B33) |
| || _charInRange(c, 0x0B36, 0x0B39) || c == 0x0B3D || _charInRange(c, 0x0B5C, 0x0B5D) |
| || _charInRange(c, 0x0B5F, 0x0B61) || _charInRange(c, 0x0B85, 0x0B8A) |
| || _charInRange(c, 0x0B8E, 0x0B90) || _charInRange(c, 0x0B92, 0x0B95) |
| || _charInRange(c, 0x0B99, 0x0B9A) || c == 0x0B9C || _charInRange(c, 0x0B9E, 0x0B9F) |
| || _charInRange(c, 0x0BA3, 0x0BA4) || _charInRange(c, 0x0BA8, 0x0BAA) |
| || _charInRange(c, 0x0BAE, 0x0BB5) || _charInRange(c, 0x0BB7, 0x0BB9) |
| || _charInRange(c, 0x0C05, 0x0C0C) || _charInRange(c, 0x0C0E, 0x0C10) |
| || _charInRange(c, 0x0C12, 0x0C28) || _charInRange(c, 0x0C2A, 0x0C33) |
| || _charInRange(c, 0x0C35, 0x0C39) || _charInRange(c, 0x0C60, 0x0C61) |
| || _charInRange(c, 0x0C85, 0x0C8C) || _charInRange(c, 0x0C8E, 0x0C90) |
| || _charInRange(c, 0x0C92, 0x0CA8) || _charInRange(c, 0x0CAA, 0x0CB3) |
| || _charInRange(c, 0x0CB5, 0x0CB9) || c == 0x0CDE || _charInRange(c, 0x0CE0, 0x0CE1) |
| || _charInRange(c, 0x0D05, 0x0D0C) || _charInRange(c, 0x0D0E, 0x0D10) |
| || _charInRange(c, 0x0D12, 0x0D28) || _charInRange(c, 0x0D2A, 0x0D39) |
| || _charInRange(c, 0x0D60, 0x0D61) || _charInRange(c, 0x0E01, 0x0E2E) || c == 0x0E30 |
| || _charInRange(c, 0x0E32, 0x0E33) || _charInRange(c, 0x0E40, 0x0E45) |
| || _charInRange(c, 0x0E81, 0x0E82) || c == 0x0E84 || _charInRange(c, 0x0E87, 0x0E88) || c == 0x0E8A |
| || c == 0x0E8D || _charInRange(c, 0x0E94, 0x0E97) || _charInRange(c, 0x0E99, 0x0E9F) |
| || _charInRange(c, 0x0EA1, 0x0EA3) || c == 0x0EA5 || c == 0x0EA7 || _charInRange(c, 0x0EAA, 0x0EAB) |
| || _charInRange(c, 0x0EAD, 0x0EAE) || c == 0x0EB0 || _charInRange(c, 0x0EB2, 0x0EB3) || c == 0x0EBD |
| || _charInRange(c, 0x0EC0, 0x0EC4) || _charInRange(c, 0x0F40, 0x0F47) |
| || _charInRange(c, 0x0F49, 0x0F69) || _charInRange(c, 0x10A0, 0x10C5) |
| || _charInRange(c, 0x10D0, 0x10F6) || c == 0x1100 || _charInRange(c, 0x1102, 0x1103) |
| || _charInRange(c, 0x1105, 0x1107) || c == 0x1109 || _charInRange(c, 0x110B, 0x110C) |
| || _charInRange(c, 0x110E, 0x1112) || c == 0x113C || c == 0x113E || c == 0x1140 || c == 0x114C |
| || c == 0x114E || c == 0x1150 || _charInRange(c, 0x1154, 0x1155) || c == 0x1159 |
| || _charInRange(c, 0x115F, 0x1161) || c == 0x1163 || c == 0x1165 || c == 0x1167 || c == 0x1169 |
| || _charInRange(c, 0x116D, 0x116E) || _charInRange(c, 0x1172, 0x1173) || c == 0x1175 || c == 0x119E |
| || c == 0x11A8 || c == 0x11AB || _charInRange(c, 0x11AE, 0x11AF) || _charInRange(c, 0x11B7, 0x11B8) |
| || c == 0x11BA || _charInRange(c, 0x11BC, 0x11C2) || c == 0x11EB || c == 0x11F0 || c == 0x11F9 |
| || _charInRange(c, 0x1E00, 0x1E9B) || _charInRange(c, 0x1EA0, 0x1EF9) |
| || _charInRange(c, 0x1F00, 0x1F15) || _charInRange(c, 0x1F18, 0x1F1D) |
| || _charInRange(c, 0x1F20, 0x1F45) || _charInRange(c, 0x1F48, 0x1F4D) |
| || _charInRange(c, 0x1F50, 0x1F57) || c == 0x1F59 || c == 0x1F5B || c == 0x1F5D |
| || _charInRange(c, 0x1F5F, 0x1F7D) || _charInRange(c, 0x1F80, 0x1FB4) |
| || _charInRange(c, 0x1FB6, 0x1FBC) || c == 0x1FBE || _charInRange(c, 0x1FC2, 0x1FC4) |
| || _charInRange(c, 0x1FC6, 0x1FCC) || _charInRange(c, 0x1FD0, 0x1FD3) |
| || _charInRange(c, 0x1FD6, 0x1FDB) || _charInRange(c, 0x1FE0, 0x1FEC) |
| || _charInRange(c, 0x1FF2, 0x1FF4) || _charInRange(c, 0x1FF6, 0x1FFC) || c == 0x2126 |
| || _charInRange(c, 0x212A, 0x212B) || c == 0x212E || _charInRange(c, 0x2180, 0x2182) |
| || _charInRange(c, 0x3041, 0x3094) || _charInRange(c, 0x30A1, 0x30FA) |
| || _charInRange(c, 0x3105, 0x312C) || _charInRange(c, 0xAC00, 0xD7A3); |
| } |
| |
| public static final boolean isIdeographic(char c) { |
| return _charInRange(c, 0x4E00, 0x9FA5) || c == 0x3007 || _charInRange(c, 0x3021, 0x3029); |
| } |
| |
| public static final boolean isCombiningChar(char c) { |
| return _charInRange(c, 0x0300, 0x0345) || _charInRange(c, 0x0360, 0x0361) || _charInRange(c, 0x0483, 0x0486) |
| || _charInRange(c, 0x0591, 0x05A1) || _charInRange(c, 0x05A3, 0x05B9) |
| || _charInRange(c, 0x05BB, 0x05BD) || c == 0x05BF || _charInRange(c, 0x05C1, 0x05C2) || c == 0x05C4 |
| || _charInRange(c, 0x064B, 0x0652) || c == 0x0670 || _charInRange(c, 0x06D6, 0x06DC) |
| || _charInRange(c, 0x06DD, 0x06DF) || _charInRange(c, 0x06E0, 0x06E4) |
| || _charInRange(c, 0x06E7, 0x06E8) || _charInRange(c, 0x06EA, 0x06ED) |
| || _charInRange(c, 0x0901, 0x0903) || c == 0x093C || _charInRange(c, 0x093E, 0x094C) || c == 0x094D |
| || _charInRange(c, 0x0951, 0x0954) || _charInRange(c, 0x0962, 0x0963) |
| || _charInRange(c, 0x0981, 0x0983) || c == 0x09BC || c == 0x09BE || c == 0x09BF |
| || _charInRange(c, 0x09C0, 0x09C4) || _charInRange(c, 0x09C7, 0x09C8) |
| || _charInRange(c, 0x09CB, 0x09CD) || c == 0x09D7 || _charInRange(c, 0x09E2, 0x09E3) || c == 0x0A02 |
| || c == 0x0A3C || c == 0x0A3E || c == 0x0A3F || _charInRange(c, 0x0A40, 0x0A42) |
| || _charInRange(c, 0x0A47, 0x0A48) || _charInRange(c, 0x0A4B, 0x0A4D) |
| || _charInRange(c, 0x0A70, 0x0A71) || _charInRange(c, 0x0A81, 0x0A83) || c == 0x0ABC |
| || _charInRange(c, 0x0ABE, 0x0AC5) || _charInRange(c, 0x0AC7, 0x0AC9) |
| || _charInRange(c, 0x0ACB, 0x0ACD) || _charInRange(c, 0x0B01, 0x0B03) || c == 0x0B3C |
| || _charInRange(c, 0x0B3E, 0x0B43) || _charInRange(c, 0x0B47, 0x0B48) |
| || _charInRange(c, 0x0B4B, 0x0B4D) || _charInRange(c, 0x0B56, 0x0B57) |
| || _charInRange(c, 0x0B82, 0x0B83) || _charInRange(c, 0x0BBE, 0x0BC2) |
| || _charInRange(c, 0x0BC6, 0x0BC8) || _charInRange(c, 0x0BCA, 0x0BCD) || c == 0x0BD7 |
| || _charInRange(c, 0x0C01, 0x0C03) || _charInRange(c, 0x0C3E, 0x0C44) |
| || _charInRange(c, 0x0C46, 0x0C48) || _charInRange(c, 0x0C4A, 0x0C4D) |
| || _charInRange(c, 0x0C55, 0x0C56) || _charInRange(c, 0x0C82, 0x0C83) |
| || _charInRange(c, 0x0CBE, 0x0CC4) || _charInRange(c, 0x0CC6, 0x0CC8) |
| || _charInRange(c, 0x0CCA, 0x0CCD) || _charInRange(c, 0x0CD5, 0x0CD6) |
| || _charInRange(c, 0x0D02, 0x0D03) || _charInRange(c, 0x0D3E, 0x0D43) |
| || _charInRange(c, 0x0D46, 0x0D48) || _charInRange(c, 0x0D4A, 0x0D4D) || c == 0x0D57 || c == 0x0E31 |
| || _charInRange(c, 0x0E34, 0x0E3A) || _charInRange(c, 0x0E47, 0x0E4E) || c == 0x0EB1 |
| || _charInRange(c, 0x0EB4, 0x0EB9) || _charInRange(c, 0x0EBB, 0x0EBC) |
| || _charInRange(c, 0x0EC8, 0x0ECD) || _charInRange(c, 0x0F18, 0x0F19) || c == 0x0F35 || c == 0x0F37 |
| || c == 0x0F39 || c == 0x0F3E || c == 0x0F3F || _charInRange(c, 0x0F71, 0x0F84) |
| || _charInRange(c, 0x0F86, 0x0F8B) || _charInRange(c, 0x0F90, 0x0F95) || c == 0x0F97 |
| || _charInRange(c, 0x0F99, 0x0FAD) || _charInRange(c, 0x0FB1, 0x0FB7) || c == 0x0FB9 |
| || _charInRange(c, 0x20D0, 0x20DC) || c == 0x20E1 || _charInRange(c, 0x302A, 0x302F) || c == 0x3099 |
| || c == 0x309A; |
| } |
| |
| public static final boolean isDigit(char c) { |
| return _isAsciiDigit(c) || _isNonAsciiDigit(c); |
| } |
| |
| private static final boolean _isAsciiDigit(char c) { |
| return _charInRange(c, 0x0030, 0x0039); |
| } |
| |
| private static final boolean _isNonAsciiDigit(char c) { |
| return _charInRange(c, 0x0660, 0x0669) || _charInRange(c, 0x06F0, 0x06F9) || _charInRange(c, 0x0966, 0x096F) |
| || _charInRange(c, 0x09E6, 0x09EF) || _charInRange(c, 0x0A66, 0x0A6F) |
| || _charInRange(c, 0x0AE6, 0x0AEF) || _charInRange(c, 0x0B66, 0x0B6F) |
| || _charInRange(c, 0x0BE7, 0x0BEF) || _charInRange(c, 0x0C66, 0x0C6F) |
| || _charInRange(c, 0x0CE6, 0x0CEF) || _charInRange(c, 0x0D66, 0x0D6F) |
| || _charInRange(c, 0x0E50, 0x0E59) || _charInRange(c, 0x0ED0, 0x0ED9) |
| || _charInRange(c, 0x0F20, 0x0F29); |
| } |
| |
| public static final boolean isExtender(char c) { |
| return c == 0x00B7 || c == 0x02D0 || c == 0x02D1 || c == 0x0387 || c == 0x0640 || c == 0x0E46 || c == 0x0EC6 |
| || c == 0x3005 || _charInRange(c, 0x3031, 0x3035) || _charInRange(c, 0x309D, 0x309E) |
| || _charInRange(c, 0x30FC, 0x30FE); |
| } |
| |
| private static final boolean _charInRange(char c, int start, int end) { |
| return c >= start && c <= end; |
| } |
| } |