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

16 years ago
/*! @file
@id $Id$
*/
// 1 2 3 4 5 6 7 8
// 45678901234567890123456789012345678901234567890123456789012345678901234567890
// g++ -I../../src ../../src/xml.cxx address.cxx
16 years ago
#include <xml-cxx/xml.hxx>
#include <iostream>
#include <sstream>
#include <fstream>
int main(int, char**) try {
// Example template in factory instantiation
xml::Factory addrTpl(xml::Node("address")
<<(xml::Node("name").limits(1, 1)
<<xml::String("first").limits(1, 1)
<<xml::String("middle") // 0..n -> .limit(0, 0)
<<xml::String("last").limits(1, 1))
<<(xml::Node("location").max(1)
<<xml::String("line").min(1))
<<xml::String("email")
<<xml::String("url")
<<xml::String("country").max(1));
// Example XML file to read
std::stringstream ss("\
<address>\
<name>\
<first>Marc</first>\
<middle>Roman</middle>\
<last>Wäckerlin</last>\
</name>\
<location>\
<line>SwissSign AG</line>\
<line>Pfingstweidstrasse 60b</line>\
<line>8005 Zürich</line>\
</location>\
<country>Schweiz</country>\
<email>marc@waeckerlin.org</email>\
<email>marc.waeckerlin@swisssign.com</email>\
<url>http://dev.swisssign.com/trac/libxml-cxx</url>\
<url>http://marc.wäckerlin.ch</url>\
<url>http://marc.waeckerlin.org</url>\
<url>http://dev.swisssign.com</url>\
<url>http://swissign.com</url>\
<url>http://swissign.ch</url>\
</address>");
std::auto_ptr<xml::Node> author(addrTpl.read(ss));
// write to stdout
std::cout<<"Successfully read:"<<std::endl
<<"------------------------------"<<std::endl
<<*author<<std::endl
<<"------------------------------"<<std::endl;
// store in project's AUTHORS file
std::ofstream ofs("../AUTHORS");
ofs<<*author<<std::endl;
return 0;
} catch (std::exception& e) {
std::cerr<<"**** Error: "<<e.what()<<std::endl;
}