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ug_markup.h

/*
 *
 *   Copyright (C) 2005-2009 by Raymond Huang
 *   plushuang at users.sourceforge.net
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *  ---
 *
 *  In addition, as a special exception, the copyright holders give
 *  permission to link the code of portions of this program with the
 *  OpenSSL library under certain conditions as described in each
 *  individual source file, and distribute linked combinations
 *  including the two.
 *  You must obey the GNU Lesser General Public License in all respects
 *  for all of the code used other than OpenSSL.  If you modify
 *  file(s) with this exception, you may extend this exception to your
 *  version of the file(s), but you are not obligated to do so.  If you
 *  do not wish to do so, delete this exception statement from your
 *  version.  If you delete this exception statement from all source
 *  files in the program, then also delete it here.
 *
 */

// utilities for g_markup_xxx

#ifndef UG_MARKUP_H
#define UG_MARKUP_H

#include <stdio.h>
#include <glib.h>

#ifdef __cplusplus
extern "C" {
#endif


typedef     struct      UgMarkupT                     UgMarkup;
typedef     enum  UgMarkupStateT                UgMarkupState;

// UgInMarkupFunc : how to parse  data in markup.
// UgToMarkupFunc : how to output data to markup.
typedef void      (*UgInMarkupFunc) (gpointer data, GMarkupParseContext* context);
typedef void      (*UgToMarkupFunc) (gpointer data, UgMarkup* markup);

//    If you want to skip max 3 level element_start()
//    g_markup_parse_context_push (context, &ug_markup_skip_parser, GINT_TO_POINTER (3));
extern      GMarkupParser           ug_markup_skip_parser;  // GINT_TO_POINTER (n_max_level)

enum UgMarkupStateT
{
      UG_MARKUP_ELEMENT_START,      // 0 :  element is not ended.   eg. <element
      UG_MARKUP_ELEMENT_END,        // 1 :  element was ended.      eg. <element/> or </element>
      UG_MARKUP_ELEMENT_TEXT,       // 2 :  element follows text.   eg. <element>text
};

struct UgMarkupT
{
      UgMarkupState     output_state;

      gboolean    formating;
      guint       level;

      FILE*       file;
};

UgMarkup*   ug_markup_new ();
void        ug_markup_free (UgMarkup* markup);

// input
gboolean    ug_markup_input               (const gchar* filename, const GMarkupParser* parser, gpointer data);

// output
gboolean    ug_markup_output_start  (UgMarkup* markup, const gchar* filename, gboolean formating);
void        ug_markup_output_end    (UgMarkup* markup);

void  ug_markup_output_element_start      (UgMarkup* markup, const gchar* printf_format, ...);
void  ug_markup_output_element_end  (UgMarkup* markup, const gchar* element_name);

// If text_len == -1, text is null-terminated.
void  ug_markup_output_text   (UgMarkup* markup, const gchar* text, gint text_len);


#ifdef __cplusplus
}
#endif

#endif  // End of UG_MARKUP_H

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