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#include "serializer.h"
#include <libxml++/document.h>
#include <libxml++/parsers/domparser.h>
#include <boost/lexical_cast.hpp>
#include <boost/bind.hpp>
#include <stdexcept>
#include <glibmm/ustring.h>
namespace Slicer {
class BadBooleanValue : public std::invalid_argument {
public:
BadBooleanValue(const Glib::ustring &) :
std::invalid_argument("Bad boolean value")
{
}
};
static const Glib::ustring TrueText("true");
static const Glib::ustring FalseText("false");
class XmlValueSource : public ValueSource {
public:
XmlValueSource(const Glib::ustring & s) :
value(s)
{
}
void set(bool & v) const override
{
if (value == TrueText) { v = true; return; }
if (value == FalseText) { v = false; return; }
throw BadBooleanValue(value);
}
void set(Ice::Byte & v) const override
{
v = boost::numeric_cast<Ice::Byte>(boost::lexical_cast<int>(value));
}
void set(Ice::Short & v) const override
{
v = boost::lexical_cast<Ice::Short>(value);
}
void set(Ice::Int & v) const override
{
v = boost::lexical_cast<Ice::Int>(value);
}
void set(Ice::Long & v) const override
{
v = boost::lexical_cast<Ice::Long>(value);
}
void set(Ice::Float & v) const override
{
v = boost::lexical_cast<Ice::Float>(value);
}
void set(Ice::Double & v) const override
{
v = boost::lexical_cast<Ice::Double>(value);
}
void set(std::string & v) const override
{
v = value.raw();
}
protected:
const Glib::ustring value;
};
class XmlContentValueSource : public XmlValueSource {
public:
XmlContentValueSource(const xmlpp::ContentNode * c) :
XmlValueSource(c->get_content())
{
}
};
class XmlAttributeValueSource : public XmlValueSource {
public:
XmlAttributeValueSource(const xmlpp::Attribute * a) :
XmlValueSource(a->get_value())
{
}
};
class XmlValueTarget : public ValueTarget {
public:
XmlValueTarget(boost::function<void(const Glib::ustring &)> a) :
apply(a)
{
}
virtual void get(const bool & value) const
{
if (value) {
apply(TrueText);
}
else {
apply(FalseText);
}
}
virtual void get(const Ice::Byte & value) const
{
apply(boost::lexical_cast<Glib::ustring>((int)value));
}
virtual void set(const Ice::Short & value) const
{
apply(boost::lexical_cast<Glib::ustring>(value));
}
virtual void get(const Ice::Int & value) const
{
apply(boost::lexical_cast<Glib::ustring>(value));
}
virtual void get(const Ice::Long & value) const
{
apply(boost::lexical_cast<Glib::ustring>(value));
}
virtual void get(const Ice::Float & value) const
{
apply(boost::lexical_cast<Glib::ustring>(value));
}
virtual void get(const Ice::Double & value) const
{
apply(boost::lexical_cast<Glib::ustring>(value));
}
virtual void get(const std::string & value) const
{
apply(value);
}
private:
const boost::function<void(const Glib::ustring &)> apply;
};
class XmlAttributeValueTarget : public XmlValueTarget {
public:
XmlAttributeValueTarget(xmlpp::Element * p, const std::string & n) :
XmlValueTarget(boost::bind(&xmlpp::Element::set_attribute, p, Glib::ustring(n), _1, Glib::ustring()))
{
}
};
class XmlContentValueTarget : public XmlValueTarget {
public:
XmlContentValueTarget(xmlpp::Element * p) :
XmlValueTarget(boost::bind(&xmlpp::Element::set_child_text, p, _1))
{
}
};
void
Xml::DocumentTreeIterate(const xmlpp::Node * node, ModelPartPtr mp)
{
while (node) {
if (auto element = dynamic_cast<const xmlpp::Element *>(node)) {
auto smp = mp->GetChild(element->get_name());
if (smp) {
auto typeAttr = element->get_attribute("slicer-typeid");
if (typeAttr) {
smp = smp->GetSubclassModelPart(typeAttr->get_value());
}
smp->Create();
auto attrs(element->get_attributes());
if (!attrs.empty()) {
DocumentTreeIterate(attrs.front(), smp);
}
DocumentTreeIterate(element->get_first_child(), smp);
smp->Complete();
}
}
else if (auto attribute = dynamic_cast<const xmlpp::Attribute *>(node)) {
auto smp = mp->GetChild("@" + attribute->get_name());
if (smp) {
smp->Create();
smp->SetValue(new XmlAttributeValueSource(attribute));
smp->Complete();
}
}
else if (auto content = dynamic_cast<const xmlpp::ContentNode *>(node)) {
mp->SetValue(new XmlContentValueSource(content));
}
node = node->get_next_sibling();
}
}
void
Xml::DocumentTreeIterate(const xmlpp::Document * doc, ModelPartPtr mp)
{
DocumentTreeIterate(doc->get_root_node(), mp);
}
void
Xml::ModelTreeIterate(xmlpp::Element * n, const std::string & name, ModelPartPtr mp)
{
if (name.empty()) {
return;
}
if (name[0] == '@') {
mp->GetValue(new XmlAttributeValueTarget(n, name.substr(1)));
}
else if (mp) {
auto element = n->add_child(name);
auto typeId = mp->GetTypeId();
if (typeId) {
element->set_attribute("slicer-typeid", *typeId);
mp = mp->GetSubclassModelPart(*typeId);
}
mp->GetValue(new XmlContentValueTarget(element));
mp->OnEachChild(boost::bind(&Xml::ModelTreeIterate, element, _1, _2));
}
}
void
Xml::ModelTreeIterateRoot(xmlpp::Document * doc, const std::string & name, ModelPartPtr mp)
{
auto root = doc->create_root_node(name);
mp->OnEachChild(boost::bind(&Xml::ModelTreeIterate, root, _1, _2));
}
void
Xml::Deserialize(const boost::filesystem::path & path, ModelPartPtr modelRoot)
{
xmlpp::DomParser dom(path.string());
auto doc = dom.get_document();
DocumentTreeIterate(doc, modelRoot);
}
void
Xml::Serialize(const boost::filesystem::path & path, ModelPartPtr modelRoot)
{
xmlpp::Document doc;
modelRoot->OnEachChild(boost::bind(&Xml::ModelTreeIterateRoot, &doc, _1, _2));
doc.write_to_file_formatted(path.string());
}
}
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