| 1 | /*
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| 2 | * Copyright 1999-2002,2004 The Apache Software Foundation.
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 |
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| 17 | /*
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| 18 | * $Id: DOMCount.cpp,v 1.39 2004/09/08 13:55:31 peiyongz Exp $
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| 19 | */
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| 20 |
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| 21 | // ---------------------------------------------------------------------------
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| 22 | // Includes
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| 23 | // ---------------------------------------------------------------------------
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| 24 | #include <xercesc/util/PlatformUtils.hpp>
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| 25 | #include <xercesc/parsers/AbstractDOMParser.hpp>
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| 26 | #include <xercesc/dom/DOMImplementation.hpp>
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| 27 | #include <xercesc/dom/DOMImplementationLS.hpp>
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| 28 | #include <xercesc/dom/DOMImplementationRegistry.hpp>
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| 29 | #include <xercesc/dom/DOMBuilder.hpp>
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| 30 | #include <xercesc/dom/DOMException.hpp>
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| 31 | #include <xercesc/dom/DOMDocument.hpp>
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| 32 | #include <xercesc/dom/DOMNodeList.hpp>
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| 33 | #include <xercesc/dom/DOMError.hpp>
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| 34 | #include <xercesc/dom/DOMLocator.hpp>
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| 35 | #include <xercesc/dom/DOMNamedNodeMap.hpp>
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| 36 | #include <xercesc/dom/DOMAttr.hpp>
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| 37 | #include "DOMCount.hpp"
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| 38 | #include <string.h>
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| 39 | #include <stdlib.h>
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| 40 |
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| 41 | #if defined(XERCES_NEW_IOSTREAMS)
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| 42 | #include <fstream>
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| 43 | #else
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| 44 | #include <fstream.h>
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| 45 | #endif
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| 46 |
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| 47 |
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| 48 | // ---------------------------------------------------------------------------
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| 49 | // This is a simple program which invokes the DOMParser to build a DOM
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| 50 | // tree for the specified input file. It then walks the tree and counts
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| 51 | // the number of elements. The element count is then printed.
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| 52 | // ---------------------------------------------------------------------------
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| 53 | static void usage()
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| 54 | {
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| 55 | XERCES_STD_QUALIFIER cout << "\nUsage:\n"
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| 56 | " DOMCount [options] <XML file | List file>\n\n"
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| 57 | "This program invokes the DOMBuilder, builds the DOM tree,\n"
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| 58 | "and then prints the number of elements found in each XML file.\n\n"
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| 59 | "Options:\n"
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| 60 | " -l Indicate the input file is a List File that has a list of xml files.\n"
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| 61 | " Default to off (Input file is an XML file).\n"
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| 62 | " -v=xxx Validation scheme [always | never | auto*].\n"
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| 63 | " -n Enable namespace processing. Defaults to off.\n"
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| 64 | " -s Enable schema processing. Defaults to off.\n"
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| 65 | " -f Enable full schema constraint checking. Defaults to off.\n"
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| 66 | " -locale=ll_CC specify the locale, default: en_US.\n"
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| 67 | " -p Print out names of elements and attributes encountered.\n"
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| 68 | " -? Show this help.\n\n"
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| 69 | " * = Default if not provided explicitly.\n"
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| 70 | << XERCES_STD_QUALIFIER endl;
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| 71 | }
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| 72 |
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| 73 |
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| 74 |
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| 75 | // ---------------------------------------------------------------------------
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| 76 | //
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| 77 | // Recursively Count up the total number of child Elements under the specified Node.
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| 78 | // Process attributes of the node, if any.
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| 79 | //
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| 80 | // ---------------------------------------------------------------------------
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| 81 | static int countChildElements(DOMNode *n, bool printOutEncounteredEles)
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| 82 | {
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| 83 | DOMNode *child;
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| 84 | int count = 0;
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| 85 | if (n) {
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| 86 | if (n->getNodeType() == DOMNode::ELEMENT_NODE)
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| 87 | {
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| 88 | if(printOutEncounteredEles) {
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| 89 | char *name = XMLString::transcode(n->getNodeName());
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| 90 | XERCES_STD_QUALIFIER cout <<"----------------------------------------------------------"<<XERCES_STD_QUALIFIER endl;
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| 91 | XERCES_STD_QUALIFIER cout <<"Encountered Element : "<< name << XERCES_STD_QUALIFIER endl;
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| 92 |
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| 93 | XMLString::release(&name);
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| 94 |
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| 95 | if(n->hasAttributes()) {
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| 96 | // get all the attributes of the node
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| 97 | DOMNamedNodeMap *pAttributes = n->getAttributes();
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| 98 | int nSize = pAttributes->getLength();
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| 99 | XERCES_STD_QUALIFIER cout <<"\tAttributes" << XERCES_STD_QUALIFIER endl;
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| 100 | XERCES_STD_QUALIFIER cout <<"\t----------" << XERCES_STD_QUALIFIER endl;
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| 101 | for(int i=0;i<nSize;++i) {
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| 102 | DOMAttr *pAttributeNode = (DOMAttr*) pAttributes->item(i);
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| 103 | // get attribute name
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| 104 | char *name = XMLString::transcode(pAttributeNode->getName());
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| 105 |
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| 106 | XERCES_STD_QUALIFIER cout << "\t" << name << "=";
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| 107 | XMLString::release(&name);
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| 108 |
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| 109 | // get attribute type
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| 110 | name = XMLString::transcode(pAttributeNode->getValue());
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| 111 | XERCES_STD_QUALIFIER cout << name << XERCES_STD_QUALIFIER endl;
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| 112 | XMLString::release(&name);
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| 113 | }
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| 114 | }
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| 115 | }
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| 116 | ++count;
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| 117 | }
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| 118 | for (child = n->getFirstChild(); child != 0; child=child->getNextSibling())
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| 119 | count += countChildElements(child, printOutEncounteredEles);
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| 120 | }
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| 121 | return count;
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| 122 | }
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| 123 |
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| 124 | // ---------------------------------------------------------------------------
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| 125 | //
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| 126 | // main
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| 127 | //
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| 128 | // ---------------------------------------------------------------------------
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| 129 | int main(int argC, char* argV[])
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| 130 | {
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| 131 |
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| 132 | // Check command line and extract arguments.
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| 133 | if (argC < 2)
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| 134 | {
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| 135 | usage();
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| 136 | return 1;
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| 137 | }
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| 138 |
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| 139 | const char* xmlFile = 0;
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| 140 | AbstractDOMParser::ValSchemes valScheme = AbstractDOMParser::Val_Auto;
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| 141 | bool doNamespaces = false;
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| 142 | bool doSchema = false;
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| 143 | bool schemaFullChecking = false;
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| 144 | bool doList = false;
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| 145 | bool errorOccurred = false;
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| 146 | bool recognizeNEL = false;
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| 147 | bool printOutEncounteredEles = false;
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| 148 | char localeStr[64];
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| 149 | memset(localeStr, 0, sizeof localeStr);
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| 150 |
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| 151 | int argInd;
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| 152 | for (argInd = 1; argInd < argC; argInd++)
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| 153 | {
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| 154 | // Break out on first parm not starting with a dash
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| 155 | if (argV[argInd][0] != '-')
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| 156 | break;
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| 157 |
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| 158 | // Watch for special case help request
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| 159 | if (!strcmp(argV[argInd], "-?"))
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| 160 | {
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| 161 | usage();
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| 162 | return 2;
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| 163 | }
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| 164 | else if (!strncmp(argV[argInd], "-v=", 3)
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| 165 | || !strncmp(argV[argInd], "-V=", 3))
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| 166 | {
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| 167 | const char* const parm = &argV[argInd][3];
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| 168 |
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| 169 | if (!strcmp(parm, "never"))
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| 170 | valScheme = AbstractDOMParser::Val_Never;
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| 171 | else if (!strcmp(parm, "auto"))
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| 172 | valScheme = AbstractDOMParser::Val_Auto;
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| 173 | else if (!strcmp(parm, "always"))
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| 174 | valScheme = AbstractDOMParser::Val_Always;
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| 175 | else
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| 176 | {
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| 177 | XERCES_STD_QUALIFIER cerr << "Unknown -v= value: " << parm << XERCES_STD_QUALIFIER endl;
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| 178 | return 2;
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| 179 | }
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| 180 | }
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| 181 | else if (!strcmp(argV[argInd], "-n")
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| 182 | || !strcmp(argV[argInd], "-N"))
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| 183 | {
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| 184 | doNamespaces = true;
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| 185 | }
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| 186 | else if (!strcmp(argV[argInd], "-s")
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| 187 | || !strcmp(argV[argInd], "-S"))
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| 188 | {
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| 189 | doSchema = true;
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| 190 | }
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| 191 | else if (!strcmp(argV[argInd], "-f")
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| 192 | || !strcmp(argV[argInd], "-F"))
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| 193 | {
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| 194 | schemaFullChecking = true;
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| 195 | }
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| 196 | else if (!strcmp(argV[argInd], "-l")
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| 197 | || !strcmp(argV[argInd], "-L"))
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| 198 | {
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| 199 | doList = true;
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| 200 | }
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| 201 | else if (!strcmp(argV[argInd], "-special:nel"))
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| 202 | {
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| 203 | // turning this on will lead to non-standard compliance behaviour
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| 204 | // it will recognize the unicode character 0x85 as new line character
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| 205 | // instead of regular character as specified in XML 1.0
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| 206 | // do not turn this on unless really necessary
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| 207 |
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| 208 | recognizeNEL = true;
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| 209 | }
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| 210 | else if (!strcmp(argV[argInd], "-p")
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| 211 | || !strcmp(argV[argInd], "-P"))
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| 212 | {
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| 213 | printOutEncounteredEles = true;
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| 214 | }
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| 215 | else if (!strncmp(argV[argInd], "-locale=", 8))
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| 216 | {
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| 217 | // Get out the end of line
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| 218 | strcpy(localeStr, &(argV[argInd][8]));
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| 219 | }
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| 220 | else
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| 221 | {
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| 222 | XERCES_STD_QUALIFIER cerr << "Unknown option '" << argV[argInd]
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| 223 | << "', ignoring it\n" << XERCES_STD_QUALIFIER endl;
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| 224 | }
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| 225 | }
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| 226 |
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| 227 | //
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| 228 | // There should be only one and only one parameter left, and that
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| 229 | // should be the file name.
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| 230 | //
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| 231 | if (argInd != argC - 1)
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| 232 | {
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| 233 | usage();
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| 234 | return 1;
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| 235 | }
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| 236 |
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| 237 | // Initialize the XML4C system
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| 238 | try
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| 239 | {
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| 240 | if (strlen(localeStr))
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| 241 | {
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| 242 | XMLPlatformUtils::Initialize(localeStr);
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| 243 | }
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| 244 | else
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| 245 | {
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| 246 | XMLPlatformUtils::Initialize();
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| 247 | }
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| 248 |
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| 249 | if (recognizeNEL)
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| 250 | {
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| 251 | XMLPlatformUtils::recognizeNEL(recognizeNEL);
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| 252 | }
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| 253 | }
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| 254 |
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| 255 | catch (const XMLException& toCatch)
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| 256 | {
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| 257 | XERCES_STD_QUALIFIER cerr << "Error during initialization! :\n"
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| 258 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
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| 259 | return 1;
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| 260 | }
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| 261 |
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| 262 | // Instantiate the DOM parser.
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| 263 | static const XMLCh gLS[] = { chLatin_L, chLatin_S, chNull };
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| 264 | DOMImplementation *impl = DOMImplementationRegistry::getDOMImplementation(gLS);
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| 265 | DOMBuilder *parser = ((DOMImplementationLS*)impl)->createDOMBuilder(DOMImplementationLS::MODE_SYNCHRONOUS, 0);
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| 266 |
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| 267 | parser->setFeature(XMLUni::fgDOMNamespaces, doNamespaces);
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| 268 | parser->setFeature(XMLUni::fgXercesSchema, doSchema);
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| 269 | parser->setFeature(XMLUni::fgXercesSchemaFullChecking, schemaFullChecking);
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| 270 |
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| 271 | if (valScheme == AbstractDOMParser::Val_Auto)
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| 272 | {
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| 273 | parser->setFeature(XMLUni::fgDOMValidateIfSchema, true);
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| 274 | }
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| 275 | else if (valScheme == AbstractDOMParser::Val_Never)
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| 276 | {
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| 277 | parser->setFeature(XMLUni::fgDOMValidation, false);
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| 278 | }
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| 279 | else if (valScheme == AbstractDOMParser::Val_Always)
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| 280 | {
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| 281 | parser->setFeature(XMLUni::fgDOMValidation, true);
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| 282 | }
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| 283 |
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| 284 | // enable datatype normalization - default is off
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| 285 | parser->setFeature(XMLUni::fgDOMDatatypeNormalization, true);
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| 286 |
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| 287 | // And create our error handler and install it
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| 288 | DOMCountErrorHandler errorHandler;
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| 289 | parser->setErrorHandler(&errorHandler);
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| 290 |
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| 291 | //
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| 292 | // Get the starting time and kick off the parse of the indicated
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| 293 | // file. Catch any exceptions that might propogate out of it.
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| 294 | //
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| 295 | unsigned long duration;
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| 296 |
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| 297 | bool more = true;
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| 298 | XERCES_STD_QUALIFIER ifstream fin;
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| 299 |
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| 300 | // the input is a list file
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| 301 | if (doList)
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| 302 | fin.open(argV[argInd]);
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| 303 |
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| 304 | if (fin.fail()) {
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| 305 | XERCES_STD_QUALIFIER cerr <<"Cannot open the list file: " << argV[argInd] << XERCES_STD_QUALIFIER endl;
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| 306 | return 2;
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| 307 | }
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| 308 |
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| 309 | while (more)
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| 310 | {
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| 311 | char fURI[1000];
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| 312 | //initialize the array to zeros
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| 313 | memset(fURI,0,sizeof(fURI));
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| 314 |
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| 315 | if (doList) {
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| 316 | if (! fin.eof() ) {
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| 317 | fin.getline (fURI, sizeof(fURI));
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| 318 | if (!*fURI)
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| 319 | continue;
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| 320 | else {
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| 321 | xmlFile = fURI;
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| 322 | XERCES_STD_QUALIFIER cerr << "==Parsing== " << xmlFile << XERCES_STD_QUALIFIER endl;
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| 323 | }
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| 324 | }
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| 325 | else
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| 326 | break;
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| 327 | }
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| 328 | else {
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| 329 | xmlFile = argV[argInd];
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| 330 | more = false;
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| 331 | }
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| 332 |
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| 333 | //reset error count first
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| 334 | errorHandler.resetErrors();
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| 335 |
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| 336 | XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *doc = 0;
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| 337 |
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| 338 | try
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| 339 | {
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| 340 | // reset document pool
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| 341 | parser->resetDocumentPool();
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| 342 |
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| 343 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
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| 344 | doc = parser->parseURI(xmlFile);
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| 345 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
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| 346 | duration = endMillis - startMillis;
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| 347 | }
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| 348 |
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| 349 | catch (const XMLException& toCatch)
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| 350 | {
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| 351 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: '" << xmlFile << "'\n"
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| 352 | << "Exception message is: \n"
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| 353 | << StrX(toCatch.getMessage()) << "\n" << XERCES_STD_QUALIFIER endl;
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| 354 | errorOccurred = true;
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| 355 | continue;
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| 356 | }
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| 357 | catch (const DOMException& toCatch)
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| 358 | {
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| 359 | const unsigned int maxChars = 2047;
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| 360 | XMLCh errText[maxChars + 1];
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| 361 |
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| 362 | XERCES_STD_QUALIFIER cerr << "\nDOM Error during parsing: '" << xmlFile << "'\n"
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| 363 | << "DOMException code is: " << toCatch.code << XERCES_STD_QUALIFIER endl;
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| 364 |
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| 365 | if (DOMImplementation::loadDOMExceptionMsg(toCatch.code, errText, maxChars))
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| 366 | XERCES_STD_QUALIFIER cerr << "Message is: " << StrX(errText) << XERCES_STD_QUALIFIER endl;
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| 367 |
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| 368 | errorOccurred = true;
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| 369 | continue;
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| 370 | }
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| 371 | catch (...)
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| 372 | {
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| 373 | XERCES_STD_QUALIFIER cerr << "\nUnexpected exception during parsing: '" << xmlFile << "'\n";
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| 374 | errorOccurred = true;
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| 375 | continue;
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| 376 | }
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| 377 |
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| 378 | //
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| 379 | // Extract the DOM tree, get the list of all the elements and report the
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| 380 | // length as the count of elements.
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| 381 | //
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| 382 | if (errorHandler.getSawErrors())
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| 383 | {
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| 384 | XERCES_STD_QUALIFIER cout << "\nErrors occurred, no output available\n" << XERCES_STD_QUALIFIER endl;
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| 385 | errorOccurred = true;
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| 386 | }
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| 387 | else
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| 388 | {
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| 389 | unsigned int elementCount = 0;
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| 390 | if (doc) {
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| 391 | elementCount = countChildElements((DOMNode*)doc->getDocumentElement(), printOutEncounteredEles);
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| 392 | // test getElementsByTagName and getLength
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| 393 | XMLCh xa[] = {chAsterisk, chNull};
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| 394 | if (elementCount != doc->getElementsByTagName(xa)->getLength()) {
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| 395 | XERCES_STD_QUALIFIER cout << "\nErrors occurred, element count is wrong\n" << XERCES_STD_QUALIFIER endl;
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| 396 | errorOccurred = true;
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| 397 | }
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| 398 | }
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| 399 |
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| 400 | // Print out the stats that we collected and time taken.
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| 401 | XERCES_STD_QUALIFIER cout << xmlFile << ": " << duration << " ms ("
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| 402 | << elementCount << " elems)." << XERCES_STD_QUALIFIER endl;
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| 403 | }
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| 404 | }
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| 405 |
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| 406 | //
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| 407 | // Delete the parser itself. Must be done prior to calling Terminate, below.
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| 408 | //
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| 409 | parser->release();
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| 410 |
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|---|
| 411 | // And call the termination method
|
|---|
| 412 | XMLPlatformUtils::Terminate();
|
|---|
| 413 |
|
|---|
| 414 | if (doList)
|
|---|
| 415 | fin.close();
|
|---|
| 416 |
|
|---|
| 417 | if (errorOccurred)
|
|---|
| 418 | return 4;
|
|---|
| 419 | else
|
|---|
| 420 | return 0;
|
|---|
| 421 | }
|
|---|
| 422 |
|
|---|
| 423 |
|
|---|
| 424 |
|
|---|
| 425 |
|
|---|
| 426 |
|
|---|
| 427 | DOMCountErrorHandler::DOMCountErrorHandler() :
|
|---|
| 428 |
|
|---|
| 429 | fSawErrors(false)
|
|---|
| 430 | {
|
|---|
| 431 | }
|
|---|
| 432 |
|
|---|
| 433 | DOMCountErrorHandler::~DOMCountErrorHandler()
|
|---|
| 434 | {
|
|---|
| 435 | }
|
|---|
| 436 |
|
|---|
| 437 |
|
|---|
| 438 | // ---------------------------------------------------------------------------
|
|---|
| 439 | // DOMCountHandlers: Overrides of the DOM ErrorHandler interface
|
|---|
| 440 | // ---------------------------------------------------------------------------
|
|---|
| 441 | bool DOMCountErrorHandler::handleError(const DOMError& domError)
|
|---|
| 442 | {
|
|---|
| 443 | fSawErrors = true;
|
|---|
| 444 | if (domError.getSeverity() == DOMError::DOM_SEVERITY_WARNING)
|
|---|
| 445 | XERCES_STD_QUALIFIER cerr << "\nWarning at file ";
|
|---|
| 446 | else if (domError.getSeverity() == DOMError::DOM_SEVERITY_ERROR)
|
|---|
| 447 | XERCES_STD_QUALIFIER cerr << "\nError at file ";
|
|---|
| 448 | else
|
|---|
| 449 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at file ";
|
|---|
| 450 |
|
|---|
| 451 | XERCES_STD_QUALIFIER cerr << StrX(domError.getLocation()->getURI())
|
|---|
| 452 | << ", line " << domError.getLocation()->getLineNumber()
|
|---|
| 453 | << ", char " << domError.getLocation()->getColumnNumber()
|
|---|
| 454 | << "\n Message: " << StrX(domError.getMessage()) << XERCES_STD_QUALIFIER endl;
|
|---|
| 455 |
|
|---|
| 456 | return true;
|
|---|
| 457 | }
|
|---|
| 458 |
|
|---|
| 459 | void DOMCountErrorHandler::resetErrors()
|
|---|
| 460 | {
|
|---|
| 461 | fSawErrors = false;
|
|---|
| 462 | }
|
|---|
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