libraries
/
libxml-cxx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

closes #1

Browse Source
master
Marc Wäckerlin 16 years ago
parent f17c1d5995
commit 2860cdf5ec
7 changed files with 277 additions and 52 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 5
      doc/examples/contain_serialization.cxx
  2. 3
      doc/examples/makefile.am
  3. 46
      doc/examples/optional_serialization.cxx
  4. 94
      src/xml-cxx/xml.hxx
  5. 58
      src/xml.cxx
  6. 5
      test/makefile.am
  7. 118
      test/optional_serialization_test.cxx

5
doc/examples/contain_serialization.cxx
Unescape View File

@ -35,10 +35,6 @@ class B: public xml::Serialize {
}
};
std::ostream& fn(std::ostream& os) {
os<<std::endl<<"HALLO"<<std::endl;
}
int main(int, char**) {
{ // Serialization as a member
std::stringstream ss("<b>\n"
@ -56,7 +52,6 @@ int main(int, char**) {
std::cout<<"Text B: "<<b.txt<<std::endl;
std::cout<<"Text A: "<<b.a.txt<<std::endl;
b.saveXml(std::cout)<<std::endl;
std::cout<<fn;
}
return 0;
}

3
doc/examples/makefile.am
Unescape View File

@ -8,7 +8,7 @@ AM_LDFLAGS = -L${top_builddir}/src -lxml-cxx
noinst_PROGRAMS = address node_macros serialization \
contain_serialization inherit_serialization \
list_serialization
list_serialization optional_serialization
address_SOURCES = address.cxx
node_macros_SOURCES = node_macros.cxx
@ -16,5 +16,6 @@ serialization_SOURCES = serialization.cxx
contain_serialization_SOURCES = contain_serialization.cxx
inherit_serialization_SOURCES = inherit_serialization.cxx
list_serialization_SOURCES = list_serialization.cxx
optional_serialization_SOURCES = optional_serialization.cxx
MAINTAINERCLEANFILES = makefile.in

46
doc/examples/optional_serialization.cxx
Unescape View File

@ -0,0 +1,46 @@
/*! @file
@id $Id$
*/
// 1 2 3 4 5 6 7 8
// 45678901234567890123456789012345678901234567890123456789012345678901234567890
#include <xml-cxx/xml.hxx>
#include <iostream>
#include <sstream>
class A: public xml::Serialize {
public:
xml::Optional<int> a;
xml::Optional<std::string> txt;
protected:
void initXmlMembers() {
className("A");
persist(a, "a");
persist(txt, "txt");
}
};
class B: public xml::Serialize {
public:
xml::Optional<A> a;
xml::Optional<int> i;
xml::Optional<std::string> txt;
protected:
void initXmlMembers() {
className("B");
persist(a, "a");
persist(i, "i");
persist(txt, "txt");
}
};
int main(int, char**) {
{ // Serialization as a member
std::stringstream ss("<B/>");
B b;
b.loadXml(ss);
b.saveXml(std::cout)<<std::endl;
}
return 0;
}

94
src/xml-cxx/xml.hxx
Unescape View File

@ -165,9 +165,9 @@ class MethodTrace {
- most standard containers, but in their xml-form,
e.g. xml::List instead of @c std::list
(xml::List inherits @c std::list)
- Optional values through xml::Optional
- @c std::bitset, @c std::priority_queue, @c std::queue and
@c std::stack are not implemented
- Optional values are not yet implemented
- Polymorfic serialisation is not yet implemented
@page rationale Rationale - Limitations of other libraries
@ -787,6 +787,9 @@ namespace xml {
virtual Node& text(const std::string& txt) throw(tag_expected,
type_mismatch);
virtual Node& append(const Node& o) throw(cannot_have_children);
virtual Node& remove(Node& n) throw(access_error);
virtual Node& remove(const std::string& n) throw(access_error);
virtual Node& remove(size_type n) throw(out_of_range);
virtual Node& set(const Attributes& o) throw();
Node& clear() throw ();
std::string name() const throw();
@ -954,6 +957,7 @@ namespace xml {
private:
friend class stream_error;
friend class Serialize;
template<class T> friend class Optional;
template<class T> friend class Container;
template<class T> friend class AssociativeContainer;
template<class T> friend class AssociativeMap;
@ -1098,9 +1102,9 @@ namespace xml {
Serialize(const Serialize& other) throw();
virtual ~Serialize();
Serialize& operator=(const Serialize& other) throw();
Serialize& className(const std::string& name) throw();
virtual Serialize& persist(Serialize& member,
const std::string& name) throw();
virtual Serialize& className(const std::string& name) throw();
Serialize& persist(Serialize& member,
const std::string& name) throw();
Serialize& persist(bool& member,
const std::string& name) throw();
Serialize& persist(char& member,
@ -1136,6 +1140,7 @@ namespace xml {
static void registerFromNode(FromNodeFunc fromNodeFunc);
static void registerToNode(ToNodeFunc toNodeFunc);
static void registerClear(ClearFunc clearFunc);
virtual void clear() throw();
protected:
virtual void initXmlMembers();
void checkInit(const Serialize* const ser=0) const {
@ -1145,11 +1150,15 @@ namespace xml {
if (!_xmlFactory) const_cast<Serialize*>(this)->initXmlMembers();
}
}
virtual void clear() throw();
/*! @todo Why does @c protected: not work here?!? Children can't
access the members if they are protected! */
public:
//! @cond INTERNAL
template<typename TYPE> friend bool assignFromNode(Any member,
const xml::Node& node);
template<typename TYPE> friend bool assigntoNode(Any member,
const xml::Node& node);
virtual bool optional() const throw();
void clear(Any member) throw();
void reset() throw();
void copy(const Serialize& o) throw();
@ -1162,8 +1171,8 @@ namespace xml {
_xmlFactory = schema;
return *this;
}
void fromNode(Any member, const xml::Node& node);
void toNode(const Any member, xml::Node& node) const;
virtual void fromNode(Any member, const xml::Node& node);
virtual void toNode(const Any member, xml::Node& node) const;
std::map<std::string, Any> _xmlNames;
xml::Factory _xmlFactory;
static std::set<FromNodeFunc> _fromNode;
@ -1174,54 +1183,71 @@ namespace xml {
template <class TYPE> class Optional: public Serialize {
public:
Optional() throw() {}
Optional(const Optional& o) throw(): _member(new TYPE(*o._member)) {}
Optional(const TYPE& mem) throw(): _member(new TYPE(mem)) {}
Optional() throw(): _valid(false) {}
Optional(const Optional& o) throw():
_member(o._member), _valid(o.valid) {
}
Optional(const TYPE& mem) throw():
_member(mem), _valid(true) {
}
virtual ~Optional() throw() {}
Optional& operator=(const Optional& o) throw() {
_member = new TYPE(*o._member);
_member = o._member;
_valid = o._valid;
return *this;
}
Optional& operator=(const TYPE& mem) throw() {
_member = new TYPE(mem);
_member = mem;
_valid = true;
return *this;
}
operator bool() const throw() {
return _member.get();
return _valid;
}
const TYPE& operator*() const throw() {
return *_member;
return _member;
}
TYPE& operator*() throw() {
return *_member;
return _member;
}
const TYPE*const operator->() const throw() {
return _member.get();
return &_member;
}
TYPE*const operator->() throw() {
return _member.get();
return &_member;
}
Optional& reset() throw() {
_member.reset();
virtual void clear() throw() {
_valid = false;
}
virtual Optional& className(const std::string& name) throw() {
if (!_xmlFactory) {
Serialize::className(name);
persist(_member, name);
// make the child the root, and it's optional
_xmlFactory = (*_xmlFactory)[0];
_xmlFactory->limits(0, 1);
}
return *this;
}
protected:
virtual void clear() throw() {
_member.reset();
virtual bool optional() const throw() {
return true;
}
virtual std::ostream& saveXml(std::ostream& os,
const std::string& name = std::string())
const throw() {
if (!_member.get()) return os;
checkInit();
xml::Node node(*_xmlFactory);
if (name.size()) node.name(name);
toNode(*_member, node);
os<<node;
return os;
virtual void fromNode(Any member, const xml::Node& node) {
_valid = true;
Serialize::fromNode(Any(&_member), node);
}
virtual void toNode(const Any member, xml::Node& node) const {
if (!_valid) {
node.parent().remove(node);
return;
}
const Any mem(&const_cast<Optional*>(this)->_member);
Serialize::toNode(mem, node);
}
private:
std::auto_ptr<TYPE> _member;
TYPE _member;
bool _valid;
};
//! @addtogroup serialization
@ -1400,17 +1426,13 @@ namespace xml {
if (name.size()) factory->name(name);
std::auto_ptr<xml::Node> node(factory.read(is));
CONTAINER_TYPE::clear();
LOG("READING: "<<*node);
for (xml::Node::size_type i(0); i<node->children(); ++i) {
typename CONTAINER_TYPE::key_type key;
typename CONTAINER_TYPE::mapped_type data;
LOG("READING Key: "<<(*node)[i]<<"Value:"<<(*node)[1+i]);
Serialize::fromNode(&key, (*node)[i]); // reads into tmp
Serialize::fromNode(&data, (*node)[++i]); // key&value
insert(typename CONTAINER_TYPE::value_type(key, data));
LOG("READ");
}
LOG("DONE");
return is;
}
virtual std::ostream& saveXml(std::ostream& os,

58
src/xml.cxx
Unescape View File

@ -9,6 +9,7 @@
#include <iostream>
#include <sstream>
#include <cstdlib>
#include <algorithm>
unsigned int MethodTrace::_level(0);
@ -310,6 +311,25 @@ namespace xml {
_contents.push_back(o.clone(this).release());
return *this;
}
//! Removes a given child node.
Node& Node::remove(Node& n) throw(access_error) {
Contents::iterator it(std::find(_contents.begin(), _contents.end(), &n));
if (it==_contents.end()) throw access_error(*this, n.name());
_contents.erase(it);
return *this;
}
//! Removes the first child node of a given name.
Node& Node::remove(const std::string& n) throw(access_error) {
Node* t(find(n));
if (!t) throw access_error(*this, n);
return remove(*t);
}
//! Removes the child node of a given position.
Node& Node::remove(size_type n) throw(out_of_range) {
if (n>=children()) throw out_of_range(*this, n);
_contents.erase(_contents.begin()+n);
return *this;
}
//! Set a list of attributes.
/*! Existing attributes with the same name are overwritten. */
Node& Node::set(const Attributes& o) throw() {
@ -1020,13 +1040,21 @@ namespace xml {
}
Serialize& Serialize::persist(Serialize& ser,
const std::string& name) throw() {
ser.checkInit();
_xmlNames[name] = &ser;
xml::Node schema(*_xmlFactory);
xml::Node node(xml::Node(name).limits(1,1));
for (xml::Node::size_type i(0); i<ser._xmlFactory->children(); ++i)
node<<(*ser._xmlFactory)[i];
_xmlFactory = schema<<node;
if (ser.optional()) {
_xmlNames[name] = &ser;
ser.className(name);
*_xmlFactory<<*ser._xmlFactory;
std::stringstream ss;
} else {
ser.checkInit();
_xmlNames[name] = &ser;
xml::Node schema(*_xmlFactory);
xml::Node node(xml::Node(name).limits(1,1));
for (xml::Node::size_type i(0); i<ser._xmlFactory->children(); ++i)
node<<(*ser._xmlFactory)[i];
_xmlFactory = schema<<node;
return *this;
}
return *this;
}
Serialize& Serialize::persist(bool& member,
@ -1123,13 +1151,13 @@ namespace xml {
void Serialize::registerClear(Serialize::ClearFunc clearFunc) {
_clear.insert(clearFunc);
}
void Serialize::initXmlMembers() {}
void Serialize::clear() throw() {
for (std::map<std::string, Any>::const_iterator
it(_xmlNames.begin());
it!=_xmlNames.end(); ++it)
clear(it->second);
}
void Serialize::initXmlMembers() {}
void Serialize::reset() throw() {
_xmlFactory.reset();
_xmlNames.clear();
@ -1156,6 +1184,10 @@ namespace xml {
if ((**it)(member)) return; // found match
throw type_not_registered(member.type().name());
}
bool Serialize::optional() const throw() {
return false;
}
std::set<Serialize::FromNodeFunc> Serialize::_fromNode;
std::set<Serialize::ToNodeFunc> Serialize::_toNode;
std::set<Serialize::ClearFunc> Serialize::_clear;
@ -1201,6 +1233,10 @@ namespace xml {
template<> bool assignFromNode<Serialize>(Any member,
const xml::Node& node) {
if (!any_cast<Serialize>(&member)) return false;
if (any_cast<Serialize>(member)->optional()) {
(*any_cast<Serialize>(member)).fromNode(member, node);
return true;
}
//! @todo improve this (inefficient)
std::stringstream ss; // simple but inefficient: rewrite and reread
ss<<node;
@ -1214,6 +1250,10 @@ namespace xml {
template<> bool assignToNode<Serialize>(const Any member,
xml::Node& node) {
if (!any_cast<Serialize>(&member)) return false;
if (any_cast<Serialize>(member)->optional()) {
any_cast<Serialize>(member)->toNode(member, node);
return true;
}
std::stringstream ss;
any_cast<Serialize>(member)->saveXml(ss, node.name());
xml::Factory factory(node);
@ -1238,7 +1278,7 @@ namespace xml {
}
template<> bool clearMember<Serialize>(Any member) {
if (!any_cast<Serialize>(&member)) return false;
any_cast<std::string>(member)->clear();
any_cast<Serialize>(member)->clear();
return true;
}
// Init To and From Node ---------------------------------------------------

5
test/makefile.am
Unescape View File

@ -7,12 +7,15 @@ AM_CXXFLAGS += -I ${top_srcdir}/src
AM_LDFLAGS = -L${top_builddir}/src
LDADD = -lcppunit -lxml-cxx
check_PROGRAMS = xml_test serialization_test container_serialization_test
check_PROGRAMS = xml_test serialization_test \
container_serialization_test optional_serialization_test
TESTS=${check_PROGRAMS}
xml_test_SOURCES = xml_test.cxx
serialization_test_SOURCES = serialization_test.cxx
container_serialization_test_SOURCES = container_serialization_test.cxx
optional_serialization_test_SOURCES = optional_serialization_test.cxx
CLEANFILES =
MAINTAINERCLEANFILES = makefile.in

118
test/optional_serialization_test.cxx
Unescape View File

@ -0,0 +1,118 @@
/*! @file
@id $Id: serialization_test.cxx 31 2009-04-28 07:36:07Z $
*/
// 1 2 3 4 5 6 7 8
// 45678901234567890123456789012345678901234567890123456789012345678901234567890
#include <xml-cxx/xml.hxx>
#include <cppunit/TestFixture.h>
#include <cppunit/ui/text/TestRunner.h>
#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/extensions/TestFactoryRegistry.h>
#include <cppunit/XmlOutputter.h>
#include <fstream>
class A: public xml::Serialize {
public:
xml::Optional<int> _int;
protected:
void initXmlMembers() {
className("A");
persist(_int, "int");
}
};
class B: public xml::Serialize {
public:
xml::Optional<long> _long;
xml::Optional<short> _short;
protected:
void initXmlMembers() {
className("B");
persist(_long, "long");
persist(_short, "short");
}
};
class B1: public B {
public:
xml::Optional<A> _a1;
xml::Optional<A> _a2;
xml::Optional<A> _a3;
protected:
void initXmlMembers() {
B::initXmlMembers();
className("B1");
persist(_a1, "a1");
persist(_a2, "a2");
persist(_a3, "a3");
}
};
class OptionalSerializationTest: public CppUnit::TestFixture {
public:
void checkOptional() {
std::string with("<A>\n"
"\t<int>13</int>\n"
"</A>");
std::string without("<A/>");
A a;
CPPUNIT_ASSERT_EQUAL(std::string("<A>\n"
"\t<int/>\n"
"</A>"), a.schema());
std::stringstream ss1a(with);
CPPUNIT_ASSERT_NO_THROW(a.loadXml(ss1a));
CPPUNIT_ASSERT_EQUAL(true, (bool)a._int);
CPPUNIT_ASSERT_EQUAL(13, *a._int);
std::stringstream ss1b;
CPPUNIT_ASSERT_NO_THROW(a.saveXml(ss1b));
CPPUNIT_ASSERT_EQUAL(with, ss1b.str());
std::stringstream ss2a(without);
CPPUNIT_ASSERT_NO_THROW(a.loadXml(ss2a));
CPPUNIT_ASSERT_EQUAL(false, (bool)a._int);
std::stringstream ss2b;
CPPUNIT_ASSERT_NO_THROW(a.saveXml(ss2b));
CPPUNIT_ASSERT_EQUAL(without, ss2b.str());
}
void checkMoreOptional() {
std::string first("<B1>\n"
"\t<short>13</short>\n"
"\t<a2/>\n"
"\t<a3>\n"
"\t\t<int>42</int>\n"
"\t</a3>\n"
"</B1>");
B1 b;
std::stringstream ifirst(first);
CPPUNIT_ASSERT_NO_THROW(b.loadXml(ifirst));
CPPUNIT_ASSERT_EQUAL(false, (bool)b._long);
CPPUNIT_ASSERT_EQUAL(true, (bool)b._short);
CPPUNIT_ASSERT_EQUAL((short)13, *b._short);
CPPUNIT_ASSERT_EQUAL(false, (bool)b._a1);
CPPUNIT_ASSERT_EQUAL(true, (bool)b._a2);
CPPUNIT_ASSERT_EQUAL(false, (bool)b._a2->_int);
CPPUNIT_ASSERT_EQUAL(true, (bool)b._a3);
CPPUNIT_ASSERT_EQUAL(true, (bool)b._a3->_int);
CPPUNIT_ASSERT_EQUAL(42, *b._a3->_int);
std::stringstream ofirst;
CPPUNIT_ASSERT_NO_THROW(b.saveXml(ofirst));
CPPUNIT_ASSERT_EQUAL(first, ofirst.str());
}
CPPUNIT_TEST_SUITE(OptionalSerializationTest);
CPPUNIT_TEST(checkOptional);
CPPUNIT_TEST(checkMoreOptional);
CPPUNIT_TEST_SUITE_END();
};
CPPUNIT_TEST_SUITE_REGISTRATION(OptionalSerializationTest);
int main(int argc, char** argv) try {
std::ofstream ofs((*argv+std::string(".xml")).c_str());
CppUnit::TextUi::TestRunner runner;
//runner.setOutputter(new CppUnit::XmlOutputter(&runner.result(), ofs));
runner.addTest(CppUnit::TestFactoryRegistry::getRegistry().makeTest());
return runner.run() ? 0 : 1;
} catch (std::exception& e) {
std::cerr<<"***Exception: "<<e.what()<<std::endl;
return 1;
}
Write Preview
Loading…
Cancel
Save