/***************************************************************************
*
* Copyright 2001,2013 by Sean Conner.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
* Comments, questions and criticisms can be sent to: sean@conman.org
*
*************************************************************************/

#ifdef __GNUC__
#  define _GNU_SOURCE
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>

#include "../url.h"

/**********************************************************************/

static int    file_new        (url__t *,char const *);
static int    file_compare    (url__t const *const restrict,url__t const *const restrict);
static size_t file_makestring (url__t const *const restrict,char *restrict,size_t);
static void   file_free       (url__t *);

/***********************************************************************/

struct urlvector const g_filevec =
{
  file_new,
  file_compare,
  file_makestring,
  file_free
};

/********************************************************************/

static int file_new(url__t *restrict url,char const *surl)
{
  char   tmpbuf[BUFSIZ];
  size_t tmpsz;
  
  assert(url  != NULL);
  assert(surl != NULL);
  
  /*------------------------------------------------------------
  ; host portion of string - can be either one of 'localhost' or
  ; the host this library is running on, or nothing.  If the host
  ; specified isn't this host, it's an error
  ;------------------------------------------------------------*/
  
  tmpsz = UrlGetHost(tmpbuf,BUFSIZ,&surl);
  if (tmpsz)
  {
    if (strcmp(tmpbuf,"localhost") != 0)
      return(EINVAL);
  }
  
  /*------------------------------------------------------------
  ; the file portion.  It has to exist, otherwise, it's an error
  ;-------------------------------------------------------------*/
  
  tmpsz = UrlGetFile(tmpbuf,BUFSIZ,&surl);
  if (tmpsz)
    url->file.path = strdup(tmpbuf);
  else
    return(ENOMEM);
    
  return(0);
}

/**************************************************************************/

static int file_compare(
        url__t const *const restrict durl,
        url__t const *const restrict surl
)
{
  int rc;
  
  assert(durl != NULL);
  assert(durl->scheme == URL_FILE);
  assert(surl         != NULL);
  assert(surl->scheme <  URL_max);
  
  rc = durl->scheme - surl->scheme;
  if (rc != 0) return rc;
  return strcmp(durl->file.path,surl->file.path);
}

/**********************************************************************/

static size_t file_makestring(
        url__t const *const restrict url,
        char         *restrict       d,
        size_t                       sd
)
{
  assert(url            != NULL);
  assert(url->scheme    == URL_FILE);
  assert(url->file.path != NULL);
  
  return snprintf(d,sd,"file://%s",url->file.path);
}

/**************************************************************************/

static void file_free(url__t *url)
{
  assert(url         != NULL);
  assert(url->scheme == URL_FILE);
  
  free(url->file.path);
  free(url);
}

/*************************************************************************/

.