---

Tag.c

Go to the documentation of this file.

/*
 *    gui - [gega user interface] the flexible solution for user interface problems
 *    Copyright (C) 2002  Gergely Gati
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; version 2 of the License.
 *
 *    This program 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 General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *    Gergely Gati
 *      email:           g.gati@freemail.hu
 *      AIM screenname:  GatiGergely
 *      ICQ number:      93131690
 *
 */
#include "debug.h"
#include "macros.h"
#include "Tag.h"

tag *tag_GetNextTag(tag *TagList)
{
    tag *Tag = TagList;

  debug_Begin();

  if(Tag!=NULL)
  {
    if(Tag->Name<16)
    {
        while ((Tag != NULL) && (Tag->Name < 16))
        {
            switch (Tag->Name)
            {
                case TAG_END:
                {
                    Tag = NULL;
                }
                break;

                case TAG_MORE:
                {
                    Tag = (tag *)Tag->Data;
                }
                break;

                case TAG_SKIP:
                {
                    Tag += Tag->Data + 1;
                }
                break;

                case TAG_IGNORE:
                {
                    Tag++;
                }
                break;

                default:
                {
                  Tag++;
              }
              break;
            }
        }
    }
    else Tag++;
  }

  debug_End();

    return (Tag);
}

tag *tag_FindTag(tag *TagList, u32 TagName)
{
    tag *Tag;

  debug_Begin();

    for (Tag = TagList; Tag != NULL; Tag = tag_GetNextTag(Tag))
    {
        if (Tag->Name == TagName) break;
    }

  debug_End();

    return (Tag);
}

u32 tag_GetTagData(tag *TagList, u32 TagName, u32 DefaultTagData)
{
    tag *Tag;
    u32 ret=0L;

  debug_Begin();

    if (TagList!=NULL && (Tag = tag_FindTag(TagList, TagName)))
    {
        ret = Tag->Data;
    }
    else
    {
        ret = DefaultTagData;
    }

  debug_End();

  return (ret);
}

u32 tag_GetTagDataChg(tag *TagList, u32 TagName, u32 DefaultTagData)
{
    tag *Tag;
    u32 ret=0L;

  debug_Begin();

    if (TagList!=NULL && (Tag = tag_FindTag(TagList, TagName)))
    {
      Tag->Name=TAG_IGNORE;
        ret = Tag->Data;
    }
    else
    {
        ret = DefaultTagData;
    }

  debug_End();

  return (ret);
}


int tag_CountTags(tag *TagList)
{
    tag *Tag;
    int TagCount;

  debug_Begin();

    for (TagCount=0, Tag = TagList; Tag != NULL; Tag = tag_GetNextTag(Tag), TagCount++);

  debug_End();

    return (TagCount);
}

---