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vlc/modules/control/http/util.c

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/*****************************************************************************
* util.c : Utility functions for HTTP interface
*****************************************************************************
* Copyright (C) 2001-2005 the VideoLAN team
* $Id$
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
* Laurent Aimar <fenrir@via.ecp.fr>
* Christophe Massiot <massiot@via.ecp.fr>
*
* 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.
*
* 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, USA.
*****************************************************************************/
#include "http.h"
/****************************************************************************
* File and directory functions
****************************************************************************/
/* ToUrl: create a good name for an url from filename */
char *E_(FileToUrl)( char *name, vlc_bool_t *pb_index )
{
char *url, *p;
url = p = malloc( strlen( name ) + 1 );
*pb_index = VLC_FALSE;
if( !url || !p )
{
return NULL;
}
#ifdef WIN32
while( *name == '\\' || *name == '/' )
#else
while( *name == '/' )
#endif
{
name++;
}
*p++ = '/';
strcpy( p, name );
#ifdef WIN32
/* convert '\\' into '/' */
name = p;
while( *name )
{
if( *name == '\\' )
*name = '/';
name++;
}
#endif
/* index.* -> / */
if( ( p = strrchr( url, '/' ) ) != NULL )
{
if( !strncmp( p, "/index.", 7 ) )
{
p[1] = '\0';
*pb_index = VLC_TRUE;
}
}
return url;
}
/* Load a file */
int E_(FileLoad)( FILE *f, char **pp_data, int *pi_data )
{
int i_read;
/* just load the file */
*pi_data = 0;
*pp_data = malloc( 1025 ); /* +1 for \0 */
while( ( i_read = fread( &(*pp_data)[*pi_data], 1, 1024, f ) ) == 1024 )
{
*pi_data += 1024;
*pp_data = realloc( *pp_data, *pi_data + 1025 );
}
if( i_read > 0 )
{
*pi_data += i_read;
}
(*pp_data)[*pi_data] = '\0';
return VLC_SUCCESS;
}
/* Parse a directory and recursively add files */
int E_(ParseDirectory)( intf_thread_t *p_intf, char *psz_root,
char *psz_dir )
{
intf_sys_t *p_sys = p_intf->p_sys;
char dir[MAX_DIR_SIZE];
#ifdef HAVE_SYS_STAT_H
struct stat stat_info;
#endif
DIR *p_dir;
struct dirent *p_dir_content;
vlc_acl_t *p_acl;
FILE *file;
char *user = NULL;
char *password = NULL;
int i_dirlen;
char sep;
#if defined( WIN32 )
sep = '\\';
#else
sep = '/';
#endif
#ifdef HAVE_SYS_STAT_H
if( stat( psz_dir, &stat_info ) == -1 || !S_ISDIR( stat_info.st_mode ) )
{
return VLC_EGENERIC;
}
#endif
if( ( p_dir = opendir( psz_dir ) ) == NULL )
{
msg_Err( p_intf, "cannot open dir (%s)", psz_dir );
return VLC_EGENERIC;
}
i_dirlen = strlen( psz_dir );
if( i_dirlen + 10 > MAX_DIR_SIZE )
{
msg_Warn( p_intf, "skipping too deep dir (%s)", psz_dir );
return 0;
}
msg_Dbg( p_intf, "dir=%s", psz_dir );
sprintf( dir, "%s%c.access", psz_dir, sep );
if( ( file = fopen( dir, "r" ) ) != NULL )
{
char line[1024];
int i_size;
msg_Dbg( p_intf, "find .access in dir=%s", psz_dir );
i_size = fread( line, 1, 1023, file );
if( i_size > 0 )
{
char *p;
while( i_size > 0 && ( line[i_size-1] == '\n' ||
line[i_size-1] == '\r' ) )
{
i_size--;
}
line[i_size] = '\0';
p = strchr( line, ':' );
if( p )
{
*p++ = '\0';
user = strdup( line );
password = strdup( p );
}
}
msg_Dbg( p_intf, "using user=%s password=%s (read=%d)",
user, password, i_size );
fclose( file );
}
sprintf( dir, "%s%c.hosts", psz_dir, sep );
p_acl = ACL_Create( p_intf, VLC_FALSE );
if( ACL_LoadFile( p_acl, dir ) )
{
ACL_Destroy( p_acl );
p_acl = NULL;
}
for( ;; )
{
/* parse psz_src dir */
if( ( p_dir_content = readdir( p_dir ) ) == NULL )
{
break;
}
if( ( p_dir_content->d_name[0] == '.' )
|| ( i_dirlen + strlen( p_dir_content->d_name ) > MAX_DIR_SIZE ) )
continue;
sprintf( dir, "%s%c%s", psz_dir, sep, p_dir_content->d_name );
if( E_(ParseDirectory)( p_intf, psz_root, dir ) )
{
httpd_file_sys_t *f = NULL;
httpd_handler_sys_t *h = NULL;
vlc_bool_t b_index;
char *psz_tmp, *psz_file, *psz_name, *psz_ext;
psz_tmp = vlc_fix_readdir_charset( p_intf, dir );
psz_file = E_(FromUTF8)( p_intf, psz_tmp );
free( psz_tmp );
psz_tmp = vlc_fix_readdir_charset( p_intf,
&dir[strlen( psz_root )] );
psz_name = E_(FileToUrl)( psz_tmp, &b_index );
free( psz_tmp );
psz_ext = strrchr( psz_file, '.' );
if( psz_ext != NULL )
{
int i;
psz_ext++;
for( i = 0; i < p_sys->i_handlers; i++ )
if( !strcmp( p_sys->pp_handlers[i]->psz_ext, psz_ext ) )
break;
if( i < p_sys->i_handlers )
{
f = malloc( sizeof( httpd_handler_sys_t ) );
h = (httpd_handler_sys_t *)f;
f->b_handler = VLC_TRUE;
h->p_association = p_sys->pp_handlers[i];
}
}
if( f == NULL )
{
f = malloc( sizeof( httpd_file_sys_t ) );
f->b_handler = VLC_FALSE;
}
f->p_intf = p_intf;
f->p_file = NULL;
f->p_redir = NULL;
f->p_redir2 = NULL;
f->file = psz_file;
f->name = psz_name;
f->b_html = strstr( &dir[strlen( psz_root )], ".htm" ) || strstr( &dir[strlen( psz_root )], ".xml" ) ? VLC_TRUE : VLC_FALSE;
if( !f->name )
{
msg_Err( p_intf , "unable to parse directory" );
closedir( p_dir );
free( f );
return( VLC_ENOMEM );
}
msg_Dbg( p_intf, "file=%s (url=%s)",
f->file, f->name );
if( !f->b_handler )
{
f->p_file = httpd_FileNew( p_sys->p_httpd_host,
f->name,
f->b_html ? ( strstr( &dir[strlen( psz_root )], ".xml" ) ? "text/xml; charset=UTF-8" : p_sys->psz_html_type ) :
NULL,
user, password, p_acl,
E_(HttpCallback), f );
if( f->p_file != NULL )
{
TAB_APPEND( p_sys->i_files, p_sys->pp_files, f );
}
}
else
{
h->p_handler = httpd_HandlerNew( p_sys->p_httpd_host,
f->name,
user, password, p_acl,
E_(HandlerCallback), h );
if( h->p_handler != NULL )
{
TAB_APPEND( p_sys->i_files, p_sys->pp_files,
(httpd_file_sys_t *)h );
}
}
/* for url that ends by / add
* - a redirect from rep to rep/
* - in case of index.* rep/index.html to rep/ */
if( f && f->name[strlen(f->name) - 1] == '/' )
{
char *psz_redir = strdup( f->name );
char *p;
psz_redir[strlen( psz_redir ) - 1] = '\0';
msg_Dbg( p_intf, "redir=%s -> %s", psz_redir, f->name );
f->p_redir = httpd_RedirectNew( p_sys->p_httpd_host, f->name, psz_redir );
free( psz_redir );
if( b_index && ( p = strstr( f->file, "index." ) ) )
{
asprintf( &psz_redir, "%s%s", f->name, p );
msg_Dbg( p_intf, "redir=%s -> %s", psz_redir, f->name );
f->p_redir2 = httpd_RedirectNew( p_sys->p_httpd_host,
f->name, psz_redir );
free( psz_redir );
}
}
}
}
if( user )
{
free( user );
}
if( password )
{
free( password );
}
ACL_Destroy( p_acl );
closedir( p_dir );
return VLC_SUCCESS;
}
/**************************************************************************
* Locale functions
**************************************************************************/
char *E_(FromUTF8)( intf_thread_t *p_intf, char *psz_utf8 )
{
intf_sys_t *p_sys = p_intf->p_sys;
if ( p_sys->iconv_from_utf8 != (vlc_iconv_t)-1 )
{
size_t i_in = strlen(psz_utf8);
size_t i_out = i_in * 2;
char *psz_local = malloc(i_out + 1);
char *psz_out = psz_local;
size_t i_ret;
char psz_tmp[i_in + 1];
char *psz_in = psz_tmp;
uint8_t *p = (uint8_t *)psz_tmp;
strcpy( psz_tmp, psz_utf8 );
/* Fix Unicode quotes. If we are here we are probably converting
* to an inferior charset not understanding Unicode quotes. */
while( *p )
{
if( p[0] == 0xe2 && p[1] == 0x80 && p[2] == 0x99 )
{
*p = '\'';
memmove( &p[1], &p[3], strlen(&p[3]) + 1 );
}
if( p[0] == 0xe2 && p[1] == 0x80 && p[2] == 0x9a )
{
*p = '"';
memmove( &p[1], &p[3], strlen(&p[3]) + 1 );
}
p++;
}
i_in = strlen( psz_tmp );
i_ret = vlc_iconv( p_sys->iconv_from_utf8, &psz_in, &i_in,
&psz_out, &i_out );
if( i_ret == (size_t)-1 || i_in )
{
msg_Warn( p_intf,
"failed to convert \"%s\" to desired charset (%s)",
psz_utf8, strerror(errno) );
free( psz_local );
return strdup( psz_utf8 );
}
*psz_out = '\0';
return psz_local;
}
else
return strdup( psz_utf8 );
}
char *E_(ToUTF8)( intf_thread_t *p_intf, char *psz_local )
{
intf_sys_t *p_sys = p_intf->p_sys;
if ( p_sys->iconv_to_utf8 != (vlc_iconv_t)-1 )
{
char *psz_in = psz_local;
size_t i_in = strlen(psz_in);
size_t i_out = i_in * 6;
char *psz_utf8 = malloc(i_out + 1);
char *psz_out = psz_utf8;
size_t i_ret = vlc_iconv( p_sys->iconv_to_utf8, &psz_in, &i_in,
&psz_out, &i_out );
if( i_ret == (size_t)-1 || i_in )
{
msg_Warn( p_intf,
"failed to convert \"%s\" to desired charset (%s)",
psz_local, strerror(errno) );
free( psz_utf8 );
return strdup( psz_local );
}
*psz_out = '\0';
return psz_utf8;
}
else
return strdup( psz_local );
}
/*************************************************************************
* Playlist stuff
*************************************************************************/
void E_(PlaylistListNode)( intf_thread_t *p_intf, playlist_t *p_pl,
playlist_item_t *p_node, char *name, mvar_t *s,
int i_depth )
{
if( p_node != NULL )
{
if( p_node->i_children == -1 )
{
char value[512];
char *psz;
mvar_t *itm = E_(mvar_New)( name, "set" );
sprintf( value, "%d", ( p_pl->status.p_item == p_node )? 1 : 0 );
E_(mvar_AppendNewVar)( itm, "current", value );
sprintf( value, "%d", p_node->input.i_id );
E_(mvar_AppendNewVar)( itm, "index", value );
psz = E_(FromUTF8)( p_intf, p_node->input.psz_name );
E_(mvar_AppendNewVar)( itm, "name", psz );
free( psz );
psz = E_(FromUTF8)( p_intf, p_node->input.psz_uri );
E_(mvar_AppendNewVar)( itm, "uri", psz );
free( psz );
sprintf( value, "Item");
E_(mvar_AppendNewVar)( itm, "type", value );
sprintf( value, "%d", i_depth );
E_(mvar_AppendNewVar)( itm, "depth", value );
E_(mvar_AppendVar)( s, itm );
}
else
{
char value[512];
char *psz;
int i_child;
mvar_t *itm = E_(mvar_New)( name, "set" );
psz = E_(FromUTF8)( p_intf, p_node->input.psz_name );
E_(mvar_AppendNewVar)( itm, "name", psz );
E_(mvar_AppendNewVar)( itm, "uri", psz );
free( psz );
sprintf( value, "Node" );
E_(mvar_AppendNewVar)( itm, "type", value );
sprintf( value, "%d", p_node->input.i_id );
E_(mvar_AppendNewVar)( itm, "index", value );
sprintf( value, "%d", p_node->i_children);
E_(mvar_AppendNewVar)( itm, "i_children", value );
sprintf( value, "%d", i_depth );
E_(mvar_AppendNewVar)( itm, "depth", value );
E_(mvar_AppendVar)( s, itm );
for (i_child = 0 ; i_child < p_node->i_children ; i_child++)
E_(PlaylistListNode)( p_intf, p_pl,
p_node->pp_children[i_child],
name, s, i_depth + 1);
}
}
}
/****************************************************************************
* Seek command parsing handling
****************************************************************************/
void E_(HandleSeek)( intf_thread_t *p_intf, char *p_value )
{
intf_sys_t *p_sys = p_intf->p_sys;
vlc_value_t val;
int i_stock = 0;
uint64_t i_length;
int i_value = 0;
int i_relative = 0;
#define POSITION_ABSOLUTE 12
#define POSITION_REL_FOR 13
#define POSITION_REL_BACK 11
#define VL_TIME_ABSOLUTE 0
#define VL_TIME_REL_FOR 1
#define VL_TIME_REL_BACK -1
if( p_sys->p_input )
{
var_Get( p_sys->p_input, "length", &val );
i_length = val.i_time;
while( p_value[0] != '\0' )
{
switch(p_value[0])
{
case '+':
{
i_relative = VL_TIME_REL_FOR;
p_value++;
break;
}
case '-':
{
i_relative = VL_TIME_REL_BACK;
p_value++;
break;
}
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
{
i_stock = strtol( p_value , &p_value , 10 );
break;
}
case '%': /* for percentage ie position */
{
i_relative += POSITION_ABSOLUTE;
i_value = i_stock;
i_stock = 0;
p_value[0] = '\0';
break;
}
case ':':
{
i_value = 60 * (i_value + i_stock) ;
i_stock = 0;
p_value++;
break;
}
case 'h': case 'H': /* hours */
{
i_value += 3600 * i_stock;
i_stock = 0;
/* other characters which are not numbers are not important */
while( ((p_value[0] < '0') || (p_value[0] > '9')) && (p_value[0] != '\0') )
{
p_value++;
}
break;
}
case 'm': case 'M': case '\'': /* minutes */
{
i_value += 60 * i_stock;
i_stock = 0;
p_value++;
while( ((p_value[0] < '0') || (p_value[0] > '9')) && (p_value[0] != '\0') )
{
p_value++;
}
break;
}
case 's': case 'S': case '"': /* seconds */
{
i_value += i_stock;
i_stock = 0;
while( ((p_value[0] < '0') || (p_value[0] > '9')) && (p_value[0] != '\0') )
{
p_value++;
}
break;
}
default:
{
p_value++;
break;
}
}
}
/* if there is no known symbol, I consider it as seconds. Otherwise, i_stock = 0 */
i_value += i_stock;
switch(i_relative)
{
case VL_TIME_ABSOLUTE:
{
if( (uint64_t)( i_value ) * 1000000 <= i_length )
val.i_time = (uint64_t)( i_value ) * 1000000;
else
val.i_time = i_length;
var_Set( p_sys->p_input, "time", val );
msg_Dbg( p_intf, "requested seek position: %dsec", i_value );
break;
}
case VL_TIME_REL_FOR:
{
var_Get( p_sys->p_input, "time", &val );
if( (uint64_t)( i_value ) * 1000000 + val.i_time <= i_length )
{
val.i_time = ((uint64_t)( i_value ) * 1000000) + val.i_time;
} else
{
val.i_time = i_length;
}
var_Set( p_sys->p_input, "time", val );
msg_Dbg( p_intf, "requested seek position forward: %dsec", i_value );
break;
}
case VL_TIME_REL_BACK:
{
var_Get( p_sys->p_input, "time", &val );
if( (int64_t)( i_value ) * 1000000 > val.i_time )
{
val.i_time = 0;
} else
{
val.i_time = val.i_time - ((uint64_t)( i_value ) * 1000000);
}
var_Set( p_sys->p_input, "time", val );
msg_Dbg( p_intf, "requested seek position backward: %dsec", i_value );
break;
}
case POSITION_ABSOLUTE:
{
val.f_float = __MIN( __MAX( ((float) i_value ) / 100.0 , 0.0 ) , 100.0 );
var_Set( p_sys->p_input, "position", val );
msg_Dbg( p_intf, "requested seek percent: %d", i_value );
break;
}
case POSITION_REL_FOR:
{
var_Get( p_sys->p_input, "position", &val );
val.f_float += __MIN( __MAX( ((float) i_value ) / 100.0 , 0.0 ) , 100.0 );
var_Set( p_sys->p_input, "position", val );
msg_Dbg( p_intf, "requested seek percent forward: %d", i_value );
break;
}
case POSITION_REL_BACK:
{
var_Get( p_sys->p_input, "position", &val );
val.f_float -= __MIN( __MAX( ((float) i_value ) / 100.0 , 0.0 ) , 100.0 );
var_Set( p_sys->p_input, "position", val );
msg_Dbg( p_intf, "requested seek percent backward: %d", i_value );
break;
}
default:
{
msg_Dbg( p_intf, "requested seek: what the f*** is going on here ?" );
break;
}
}
}
#undef POSITION_ABSOLUTE
#undef POSITION_REL_FOR
#undef POSITION_REL_BACK
#undef VL_TIME_ABSOLUTE
#undef VL_TIME_REL_FOR
#undef VL_TIME_REL_BACK
}
/****************************************************************************
* URI Parsing functions
****************************************************************************/
int E_(TestURIParam)( char *psz_uri, const char *psz_name )
{
char *p = psz_uri;
while( (p = strstr( p, psz_name )) )
{
/* Verify that we are dealing with a post/get argument */
if( (p == psz_uri || *(p - 1) == '&' || *(p - 1) == '\n')
&& p[strlen(psz_name)] == '=' )
{
return VLC_TRUE;
}
p++;
}
return VLC_FALSE;
}
char *E_(ExtractURIValue)( char *psz_uri, const char *psz_name,
char *psz_value, int i_value_max )
{
char *p = psz_uri;
while( (p = strstr( p, psz_name )) )
{
/* Verify that we are dealing with a post/get argument */
if( (p == psz_uri || *(p - 1) == '&' || *(p - 1) == '\n')
&& p[strlen(psz_name)] == '=' )
break;
p++;
}
if( p )
{
int i_len;
p += strlen( psz_name );
if( *p == '=' ) p++;
if( strchr( p, '&' ) )
{
i_len = strchr( p, '&' ) - p;
}
else
{
/* for POST method */
if( strchr( p, '\n' ) )
{
i_len = strchr( p, '\n' ) - p;
if( i_len && *(p+i_len-1) == '\r' ) i_len--;
}
else
{
i_len = strlen( p );
}
}
i_len = __MIN( i_value_max - 1, i_len );
if( i_len > 0 )
{
strncpy( psz_value, p, i_len );
psz_value[i_len] = '\0';
}
else
{
strncpy( psz_value, "", i_value_max );
}
p += i_len;
}
else
{
strncpy( psz_value, "", i_value_max );
}
return p;
}
void E_(DecodeEncodedURI)( char *psz )
{
char *dup = strdup( psz );
char *p = dup;
while( *p )
{
if( *p == '%' )
{
char val[3];
p++;
if( !*p )
{
break;
}
val[0] = *p++;
val[1] = *p++;
val[2] = '\0';
*psz++ = strtol( val, NULL, 16 );
}
else if( *p == '+' )
{
*psz++ = ' ';
p++;
}
else
{
*psz++ = *p++;
}
}
*psz++ = '\0';
free( dup );
}
/* Since the resulting string is smaller we can work in place, so it is
* permitted to have psz == new. new points to the first word of the
* string, the function returns the remaining string. */
char *E_(FirstWord)( char *psz, char *new )
{
vlc_bool_t b_end;
while( *psz == ' ' )
psz++;
while( *psz != '\0' && *psz != ' ' )
{
if( *psz == '\'' )
{
char c = *psz++;
while( *psz != '\0' && *psz != c )
{
if( *psz == '\\' && psz[1] != '\0' )
psz++;
*new++ = *psz++;
}
if( *psz == c )
psz++;
}
else
{
if( *psz == '\\' && psz[1] != '\0' )
psz++;
*new++ = *psz++;
}
}
b_end = !*psz;
*new++ = '\0';
if( !b_end )
return psz + 1;
else
return NULL;
}
/**********************************************************************
* Find_end_MRL: Find the end of the sentence :
* this function parses the string psz and find the end of the item
* and/or option with detecting the " and ' problems.
* returns NULL if an error is detected, otherwise, returns a pointer
* of the end of the sentence (after the last character)
**********************************************************************/
static char *Find_end_MRL( char *psz )
{
char *s_sent = psz;
switch( *s_sent )
{
case '\"':
{
s_sent++;
while( ( *s_sent != '\"' ) && ( *s_sent != '\0' ) )
{
if( *s_sent == '\'' )
{
s_sent = Find_end_MRL( s_sent );
if( s_sent == NULL )
{
return NULL;
}
} else
{
s_sent++;
}
}
if( *s_sent == '\"' )
{
s_sent++;
return s_sent;
} else /* *s_sent == '\0' , which means the number of " is incorrect */
{
return NULL;
}
break;
}
case '\'':
{
s_sent++;
while( ( *s_sent != '\'' ) && ( *s_sent != '\0' ) )
{
if( *s_sent == '\"' )
{
s_sent = Find_end_MRL( s_sent );
if( s_sent == NULL )
{
return NULL;
}
} else
{
s_sent++;
}
}
if( *s_sent == '\'' )
{
s_sent++;
return s_sent;
} else /* *s_sent == '\0' , which means the number of ' is incorrect */
{
return NULL;
}
break;
}
default: /* now we can look for spaces */
{
while( ( *s_sent != ' ' ) && ( *s_sent != '\0' ) )
{
if( ( *s_sent == '\'' ) || ( *s_sent == '\"' ) )
{
s_sent = Find_end_MRL( s_sent );
} else
{
s_sent++;
}
}
return s_sent;
}
}
}
/**********************************************************************
* parse_MRL: parse the MRL, find the mrl string and the options,
* create an item with all information in it, and return the item.
* return NULL if there is an error.
**********************************************************************/
playlist_item_t *E_(MRLParse)( intf_thread_t *p_intf, char *psz,
char *psz_name )
{
char **ppsz_options = NULL;
char *mrl;
char *s_mrl = psz;
int i_error = 0;
char *s_temp;
int i = 0;
int i_options = 0;
playlist_item_t * p_item = NULL;
/* In case there is spaces before the mrl */
while( ( *s_mrl == ' ' ) && ( *s_mrl != '\0' ) )
{
s_mrl++;
}
/* extract the mrl */
s_temp = strstr( s_mrl , " :" );
if( s_temp == NULL )
{
s_temp = s_mrl + strlen( s_mrl );
} else
{
while( (*s_temp == ' ') && (s_temp != s_mrl ) )
{
s_temp--;
}
s_temp++;
}
/* if the mrl is between " or ', we must remove them */
if( (*s_mrl == '\'') || (*s_mrl == '\"') )
{
mrl = (char *)malloc( (s_temp - s_mrl - 1) * sizeof( char ) );
strncpy( mrl , (s_mrl + 1) , s_temp - s_mrl - 2 );
mrl[ s_temp - s_mrl - 2 ] = '\0';
} else
{
mrl = (char *)malloc( (s_temp - s_mrl + 1) * sizeof( char ) );
strncpy( mrl , s_mrl , s_temp - s_mrl );
mrl[ s_temp - s_mrl ] = '\0';
}
s_mrl = s_temp;
/* now we can take care of the options */
while( (*s_mrl != '\0') && (i_error == 0) )
{
switch( *s_mrl )
{
case ' ':
{
s_mrl++;
break;
}
case ':': /* an option */
{
s_temp = Find_end_MRL( s_mrl );
if( s_temp == NULL )
{
i_error = 1;
}
else
{
i_options++;
ppsz_options = realloc( ppsz_options , i_options *
sizeof(char *) );
ppsz_options[ i_options - 1 ] =
malloc( (s_temp - s_mrl + 1) * sizeof(char) );
strncpy( ppsz_options[ i_options - 1 ] , s_mrl ,
s_temp - s_mrl );
/* don't forget to finish the string with a '\0' */
(ppsz_options[ i_options - 1 ])[ s_temp - s_mrl ] = '\0';
s_mrl = s_temp;
}
break;
}
default:
{
i_error = 1;
break;
}
}
}
if( i_error != 0 )
{
free( mrl );
}
else
{
/* now create an item */
p_item = playlist_ItemNew( p_intf, mrl, psz_name );
for( i = 0 ; i< i_options ; i++ )
{
playlist_ItemAddOption( p_item, ppsz_options[i] );
}
}
for( i = 0; i < i_options; i++ ) free( ppsz_options[i] );
if( i_options ) free( ppsz_options );
return p_item;
}
/**********************************************************************
* RealPath: parse ../, ~ and path stuff
**********************************************************************/
char *E_(RealPath)( intf_thread_t *p_intf, const char *psz_src )
{
char *psz_dir;
char *p;
int i_len = strlen(psz_src);
char sep;
#if defined( WIN32 )
sep = '\\';
#else
sep = '/';
#endif
psz_dir = malloc( i_len + 2 );
strcpy( psz_dir, psz_src );
/* Add a trailing sep to ease the .. step */
psz_dir[i_len] = sep;
psz_dir[i_len + 1] = '\0';
#ifdef WIN32
/* Convert all / to native separator */
p = psz_dir;
while( (p = strchr( p, '/' )) != NULL )
{
*p = sep;
}
#endif
/* Remove multiple separators and /./ */
p = psz_dir;
while( (p = strchr( p, sep )) != NULL )
{
if( p[1] == sep )
memmove( &p[1], &p[2], strlen(&p[2]) + 1 );
else if( p[1] == '.' && p[2] == sep )
memmove( &p[1], &p[3], strlen(&p[3]) + 1 );
else
p++;
}
if( psz_dir[0] == '~' )
{
char *dir = malloc( strlen(psz_dir)
+ strlen(p_intf->p_vlc->psz_userdir) );
/* This is incomplete : we should also support the ~cmassiot/ syntax. */
sprintf( dir, "%s%s", p_intf->p_vlc->psz_userdir, psz_dir + 1 );
free( psz_dir );
psz_dir = dir;
}
if( strlen(psz_dir) > 2 )
{
/* Fix all .. dir */
p = psz_dir + 3;
while( (p = strchr( p, sep )) != NULL )
{
if( p[-1] == '.' && p[-2] == '.' && p[-3] == sep )
{
char *q;
p[-3] = '\0';
if( (q = strrchr( psz_dir, sep )) != NULL )
{
memmove( q + 1, p + 1, strlen(p + 1) + 1 );
p = q + 1;
}
else
{
memmove( psz_dir, p, strlen(p) + 1 );
p = psz_dir + 3;
}
}
else
p++;
}
}
/* Remove trailing sep if there are at least 2 sep in the string
* (handles the C:\ stuff) */
p = strrchr( psz_dir, sep );
if( p != NULL && p[1] == '\0' && p != strchr( psz_dir, sep ) )
*p = '\0';
return psz_dir;
}