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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93 lines
2.5 KiB
93 lines
2.5 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 serialization.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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class B: public xml::Serialize {
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public:
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int a;
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std::string txt;
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protected:
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void initXmlMembers() {
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className("b");
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persist(a, "a");
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persist(txt, "txt");
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}
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};
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class B: public xml::Serialize {
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public:
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int a;
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std::string txt;
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protected:
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void initXmlMembers() {
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className("b");
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persist(a, "a");
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persist(txt, "txt");
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}
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};
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//! Class with external xml::Serialize
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class C {
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public:
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int a;
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std::string txt;
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};
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int main(int, char**) {
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{ // Serialization as a member
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std::stringstream ss("<a>\n"
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"\t<a>1234</a>\n"
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"\t<txt>Dies ist ein Serialisierungs-Test</txt>\n"
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"</a>");
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A a;
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a._ser.loadXml(ss);
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if (a.a==1234) a.a=4321;
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a._ser.saveXml(std::cout)<<std::endl;
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} { // Inherited Serialization
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std::stringstream ss("<b>\n"
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"\t<a>1234</a>\n"
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"\t<txt>Dies ist ein Serialisierungs-Test</txt>\n"
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"</b>");
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B b;
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b.loadXml(ss);
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if (b.a==1234) b.a=4321;
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b.saveXml(std::cout)<<std::endl;
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} { // External xml::Serialize: "ser" must live in no longer than "c"!
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std::stringstream ss("<c>\n"
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"\t<a>1234</a>\n"
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"\t<txt>Dies ist ein Serialisierungs-Test</txt>\n"
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"</c>");
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C c;
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xml::Serialize ser(xml::Serialize("c")
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.persist(c.a, "a")
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.persist(c.txt, "txt"));
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ser.loadXml(ss);
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if (c.a==1234) c.a=4321;
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ser.saveXml(std::cout)<<std::endl;
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} { // Use xml::Serialize to store anything, e.g. local variables
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// Important: "ser" must live in no longer than the variables!
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std::stringstream ss("<d>\n"
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"\t<a>1234</a>\n"
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"\t<txt>Dies ist ein Serialisierungs-Test</txt>\n"
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"</d>");
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int a;
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std::string txt;
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xml::Serialize ser(xml::Serialize("d")
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.persist(a, "a")
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.persist(txt, "txt"));
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ser.loadXml(ss);
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if (a==1234) a=4321;
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ser.saveXml(std::cout)<<std::endl;
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}
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return 0;
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}
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