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// file : xsde/cxx/parser/context.hxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#ifndef XSDE_CXX_PARSER_CONTEXT_HXX
#define XSDE_CXX_PARSER_CONTEXT_HXX
#include <xsde/cxx/config.hxx>
#include <stddef.h> // size_t
#include <xsde/c/expat/expat.h>
#ifndef XSDE_EXCEPTIONS
# include <xsde/cxx/sys-error.hxx>
#endif
#ifdef XSDE_PARSER_VALIDATION
# include <xsde/cxx/schema-error.hxx>
#endif
namespace xsde
{
namespace cxx
{
namespace parser
{
struct parser_base;
struct parser_state
{
parser_state ();
// Depth is maintained only when we don't have a parser for a
// document fragment or if we are handling a wildcard in which
// case the any flag should be set.
//
parser_base* parser_;
size_t depth_;
bool any_;
};
class context
{
public:
context (XML_Parser xml_parser);
public:
XML_Parser
xml_parser ();
// Error handling via codes.
//
public:
// Application error.
//
#ifndef XSDE_EXCEPTIONS
public:
int
app_error () const;
void
app_error (int);
#endif
// Schema error.
//
#ifdef XSDE_PARSER_VALIDATION
public:
typedef cxx::schema_error::value schema_error_t;
schema_error_t
schema_error () const;
void
schema_error (schema_error_t);
#endif
// System error.
//
#ifndef XSDE_EXCEPTIONS
public:
typedef cxx::sys_error::value sys_error_t;
sys_error_t
sys_error () const;
void
sys_error (sys_error_t);
#endif
// Implementation details.
//
#if defined(XSDE_PARSER_VALIDATION) || !defined(XSDE_EXCEPTIONS)
public:
enum error_type_t
{
error_none = 0,
error_app,
error_schema,
error_sys
};
error_type_t
error_type () const;
protected:
error_type_t error_type_;
union
{
#ifndef XSDE_EXCEPTIONS
int app;
#endif
#ifdef XSDE_PARSER_VALIDATION
schema_error_t schema;
#endif
#ifndef XSDE_EXCEPTIONS
sys_error_t sys;
#endif
} error_code_;
#endif // XSDE_PARSER_VALIDATION || !XSDE_EXCEPTIONS
public:
parser_state current_;
protected:
XML_Parser xml_parser_;
};
}
}
}
#include <xsde/cxx/parser/context.ixx>
#endif // XSDE_CXX_PARSER_CONTEXT_HXX
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