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// file : examples/hybrid/dom.cxx
// copyright : not copyrighted - public domain
#include <libstudxml/parser.hxx>
#include <libstudxml/serializer.hxx>
#include "dom.hxx"
using namespace std;
using namespace xml;
static bool
whitespace (const string& s)
{
for (string::size_type i (0); i < s.size (); ++i)
{
char c (s[i]);
if (c != 0x20 && c != 0x0A && c != 0x0D && c != 0x09)
return false;
}
return true;
}
element::
element (parser& p, bool se)
{
if (se)
p.next_expect (parser::start_element);
name_ = p.qname ();
// Extract attributes.
//
const parser::attribute_map_type& m (p.attribute_map ());
for (parser::attribute_map_type::const_iterator i (m.begin ());
i != m.end ();
++i)
attributes_[i->first] = i->second.value;
// Parse content (nested elements or text).
//
while (p.peek () != parser::end_element)
{
switch (p.next ())
{
case parser::start_element:
{
if (!text_.empty ())
{
if (!whitespace (text_))
throw parsing (p, "element in simple content");
text_.clear ();
}
elements_.push_back (element (p, false));
p.next_expect (parser::end_element);
break;
}
case parser::characters:
{
if (!elements_.empty ())
{
if (!whitespace (p.value ()))
throw parsing (p, "characters in complex content");
break; // Ignore whitespaces.
}
text_ += p.value ();
break;
}
default:
break; // Ignore any other events.
}
}
if (se)
p.next_expect (parser::end_element);
}
void element::
serialize (serializer& s, bool se) const
{
if (se)
s.start_element (name_);
// Add attributes.
//
for (attributes_type::const_iterator i (attributes_.begin ());
i != attributes_.end ();
++i)
{
s.attribute (i->first, i->second);
}
// Serialize content (nested elements or text).
//
if (!elements_.empty ())
{
for (elements_type::const_iterator i (elements_.begin ());
i != elements_.end ();
++i)
{
i->serialize (s);
}
}
else if (!text_.empty ())
s.characters (text_);
if (se)
s.end_element ();
}
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