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mime.c

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/***************************************************************************
                                   mime.c
                             -------------------
    begin                : Sun Dec 09 2001
    copyright            : (C) 2001-2002 by Christian Hoenig & Gunter Ohrner
    email                : pdepp@CustomCDROM.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "common.h"

#include <errno.h>
#include <string.h>

#include "mime.h"

#include "char_xhash.h"
#include "conftable.h"
#include "logger.h"
#include "misc.h"
#include "xmalloc.h"

CharHashTab mime_tab;

int mimeInit(const char* mime_types_file)
{
  FILE* mime_file;

  mime_tab = cxhInit(26);

  mime_file = fopen(mime_types_file, "r");
  if (mime_file == NULL)
  {
    logerr(MIME_TABLE, ERROR, errno, "mime type file could not be opened");
    return -1;
  }

  while(!feof(mime_file))
  {
    int cont = true;
    int tok_start, tok_end = -1;
    char* line = getLine(mime_file);
    char* type;
    size_t type_len;
    if (line == NULL) continue;

    // empty line?
    if (getNextValue(&tok_start, &tok_end, tok_end+1, line) < 0)
      cont = false;
    // comment?
    if (line[tok_start] == '#')
      cont = false; // found comment
    if (cont != true)
    {
      pd_free(line);
      continue;
    }
    type_len = tok_end - tok_start + 1;
    type = (char*) pd_malloc(type_len + 1);
    strncpy(type, line + tok_start, type_len);
    type[type_len] = '\0';

    while(getNextValue(&tok_start, &tok_end, tok_end+2, line) >= 0)
    {
      char old_sep;
      if (line[tok_start] == '#')
        break; // found comment
      // file extension found
      old_sep = line[tok_end+1];
      line[tok_end+1] = '\0';
      cxhInsert(mime_tab, line+tok_start, type);
      line[tok_end+1] = old_sep; // getNV checks for end-of-string
    }
    pd_free(type);
    pd_free(line);
  }

  fclose(mime_file);
  return 0;
}

char* mimeLookup(const char* file_ext)
{
  return cxhGet(mime_tab, file_ext);
}

int mimeTerminate()
{
  cxhTerminate(mime_tab);
  return 0;
}

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