C++ class for reading and writing XML structures. No need for a C++ code parser or special pre compiler. Specify a schema entirly in native C++. The schema is verified when XML is read and exceptions are thrown when the XML to be parse is invalid.
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63 lines
2.2 KiB
63 lines
2.2 KiB
16 years ago
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/*! @file
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@id $Id$
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*/
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// 1 2 3 4 5 6 7 8
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// 45678901234567890123456789012345678901234567890123456789012345678901234567890
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// g++ -I../src ../src/xml.cxx address.cxx
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#include <xml-cxx/xml.hxx>
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#include <iostream>
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#include <sstream>
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#include <fstream>
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int main(int, char**) try {
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// Example template in factory instantiation
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xml::Factory addrTpl(xml::Node("address")
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<<(xml::Node("name").limits(1, 1)
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<<xml::String("first").limits(1, 1)
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<<xml::String("middle") // 0..n -> .limit(0, 0)
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<<xml::String("last").limits(1, 1))
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<<(xml::Node("location").max(1)
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<<xml::String("line").min(1))
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<<xml::String("email")
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<<xml::String("url")
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<<xml::String("country").max(1));
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// Example XML file to read
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std::stringstream ss("\
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<address>\
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<name>\
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<first>Marc</first>\
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<middle>Roman</middle>\
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<last>Wäckerlin</last>\
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</name>\
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<location>\
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<line>SwissSign AG</line>\
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<line>Pfingstweidstrasse 60b</line>\
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<line>8005 Zürich</line>\
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</location>\
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<country>Schweiz</country>\
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<email>marc@waeckerlin.org</email>\
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<email>marc.waeckerlin@swisssign.com</email>\
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<url>http://dev.swisssign.com/trac/libxml-cxx</url>\
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<url>http://marc.wäckerlin.ch</url>\
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<url>http://marc.waeckerlin.org</url>\
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<url>http://dev.swisssign.com</url>\
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<url>http://swissign.com</url>\
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<url>http://swissign.ch</url>\
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</address>");
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std::auto_ptr<xml::Node> author(addrTpl.read(ss));
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// write to stdout
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std::cout<<"Successfully read:"<<std::endl
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<<"------------------------------"<<std::endl
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<<*author<<std::endl
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<<"------------------------------"<<std::endl;
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// store in project's AUTHORS file
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std::ofstream ofs("../AUTHORS");
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ofs<<*author<<std::endl;
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return 0;
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} catch (std::exception& e) {
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std::cerr<<"**** Error: "<<e.what()<<std::endl;
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}
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