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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91 lines
2.5 KiB
91 lines
2.5 KiB
/*! @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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#include <xml-cxx/xml.hxx> |
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#include <iostream> |
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#include <sstream> |
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//! Class with built in xml::Serialize as member, no inheritance |
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class A { |
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public: |
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A(): _ser("a") { |
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_ser.persist(a, "a"); |
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_ser.persist(txt, "txt"); |
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} |
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int a; |
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std::string txt; |
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xml::Serialize _ser; |
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}; |
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//! Class that inherits xml::Serialize |
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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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