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// file : examples/cxx/hybrid/wildcard/envelope-pimpl.hxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : not copyrighted - public domain
#ifndef ENVELOPE_PIMPL_HXX
#define ENVELOPE_PIMPL_HXX
namespace email
{
// Customized envelope parser implementation. All wildcard events are
// routed to the _start_any_element, _end_any_element, _any_attribute,
// and _any_characters functions. We can dynamically select a parser
// from the _start_any_element after which all inner content will be
// automatically routed to this parser. At the end we will get a call
// to _end_any_element in which we can call post() and save the data.
//
class envelope_pimpl: public envelope_base_pimpl
{
public:
envelope_pimpl ()
: depth_ (0), text_p_ (0), binary_p_ (0)
{
}
// Additional parsers for the wildcard content.
//
void
text_parser (xml_schema::string_pskel& p)
{
text_p_ = &p;
}
void
binary_parser (binary_pskel& p)
{
binary_p_ = &p;
}
public:
virtual void
_pre ();
// If the XSD runtime library was configured with polymorphism
// support, then _start_any_element has a third argument which
// is a dynamic type id that comes from xsi:type or substitution
// groups.
//
#ifndef XSDE_POLYMORPHIC
virtual void
_start_any_element (const xml_schema::ro_string& ns,
const xml_schema::ro_string& name);
#else
virtual void
_start_any_element (const xml_schema::ro_string& ns,
const xml_schema::ro_string& name,
const char*);
#endif
virtual void
_end_any_element (const xml_schema::ro_string& ns,
const xml_schema::ro_string& name);
// If we need to be able to reset and reuse the parser after
// an error then we also need to override _reset() and reset
// the parsers that are used to handle wildcards.
//
virtual void
_reset ();
private:
std::size_t depth_;
// Parsers for the text and binary elements.
//
private:
xml_schema::string_pskel* text_p_;
binary_pskel* binary_p_;
};
}
#endif // ENVELOPE_PIMPL_HXX
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