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example-xpath.cpp

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00001 
00002  //
00003  // XML storage classes
00004  //
00005  // example-xpath.cpp
00006  //
00007  // Copyright (c) 2008 Martin Fuchs <martin-fuchs@gmx.net>
00008  //
00009 
00010 
00011 /*
00012 
00013   All rights reserved.
00014 
00015   Redistribution and use in source and binary forms, with or without
00016   modification, are permitted provided that the following conditions are met:
00017 
00018   * Redistributions of source code must retain the above copyright
00019     notice, this list of conditions and the following disclaimer.
00020   * Redistributions in binary form must reproduce the above copyright
00021     notice, this list of conditions and the following disclaimer in
00022     the documentation and/or other materials provided with the
00023     distribution.
00024 
00025   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00026   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00028   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00029   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00030   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00031   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00032   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00033   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00034   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00035   POSSIBILITY OF SUCH DAMAGE.
00036 
00037 */
00038 
00039 #include <xmlstorage.h>
00040 using namespace XMLStorage;
00041 
00042 #include <iostream>
00043 using namespace std;
00044 
00045 
00046 void test_write()
00047 {
00048     XMLWriter out("example-xpath.xml");
00049 
00050     out.create("Test");
00051       out.create("Child");
00052       out.set_content("Wert1");
00053       out.back();
00054 
00055       out.create("Child");
00056       out["id"] = XMLInt(1234);
00057       out["txt"] = "abc";
00058       out.set_content("Wert2");
00059       out.back();
00060 
00061       out.create("Child");
00062       out.set_content("Wert3");
00063       out.back();
00064     out.back();
00065 }
00066 
00067 
00068 void test_read()
00069 {
00070     XMLDoc doc;
00071 
00072      // Einlesen des XML-Files
00073     doc.read_file("example-xpath.xml");
00074 
00075     XMLPos pos(&doc);
00076 
00077     cout << "matching 'Test/Child': " << pos.count("Test/Child") << endl;
00078     cout << "matching 'Test/Child[@id=\"1234\"]': " << pos.count("Test/Child[@id=\"1234\"]") << endl;
00079 
00080     XMLDoc target_doc;
00081     pos.filter("Test/Child[@id=\"1234\" and @txt=\"abc\"]", target_doc);
00082     target_doc.write(cout);
00083 
00084     pos.go("Test/Child[ 3 ]");
00085     cout << "content: " << pos->get_content() << endl;
00086 }
00087 
00088 
00089 int main()
00090 {
00091     test_write();
00092     test_read();
00093 
00094     return 0;
00095 }

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