1 /*****************************************************************************
2 * vlc_url.h: URL related macros
3 *****************************************************************************
4 * Copyright (C) 2002-2006 the VideoLAN team
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
8 * RĂ©mi Denis-Courmont <rem # videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
30 * This file defines functions for manipulating URL in vlc
45 char *psz_buffer; /* to be freed */
48 VLC_EXPORT( char *, unescape_URI_duplicate, ( const char *psz ) );
49 VLC_EXPORT( void, unescape_URI, ( char *psz ) );
50 VLC_EXPORT( char *, decode_URI_duplicate, ( const char *psz ) );
51 VLC_EXPORT( char *, decode_URI, ( char *psz ) );
52 VLC_EXPORT( char *, encode_URI_component, ( const char *psz ) );
53 VLC_EXPORT( char *, make_URI, ( const char *path ) );
55 /*****************************************************************************
57 *****************************************************************************
58 * option : if != 0 then path is split at this char
60 * format [protocol://[login[:password]@]][host[:port]]/path[OPTIONoption]
61 *****************************************************************************/
62 static inline void vlc_UrlParse( vlc_url_t *url, const char *psz_url,
70 url->psz_protocol = NULL;
71 url->psz_username = NULL;
72 url->psz_password = NULL;
76 url->psz_option = NULL;
80 url->psz_buffer = NULL;
83 url->psz_buffer = psz_parse = psz_dup = strdup( psz_url );
85 /* Search a valid protocol */
86 p = strstr( psz_parse, ":/" );
89 for( p2 = psz_parse; p2 < p; p2++ )
91 #define I(i,a,b) ( (a) <= (i) && (i) <= (b) )
92 if( !I(*p2, 'a', 'z' ) && !I(*p2, 'A', 'Z') && !I(*p2, '0', '9') && *p2 != '+' && *p2 != '-' && *p2 != '.' )
103 /* we have a protocol */
109 url->psz_protocol = psz_parse;
112 p = strchr( psz_parse, '@' );
113 p2 = strchr( psz_parse, '/' );
114 if( p != NULL && ( p2 != NULL ? p < p2 : 1 ) )
116 /* We have a login */
117 url->psz_username = psz_parse;
120 psz_parse = strchr( psz_parse, ':' );
121 if( psz_parse != NULL )
123 /* We have a password */
125 url->psz_password = psz_parse;
126 decode_URI( url->psz_password );
128 decode_URI( url->psz_username );
132 p = strchr( psz_parse, '/' );
133 if( !p || psz_parse < p )
135 /* We have a host[:port] */
136 url->psz_host = strdup( psz_parse );
139 url->psz_host[p - psz_parse] = '\0';
142 if( *url->psz_host == '[' )
145 p2 = strchr( url->psz_host, ']' );
148 p2 = strchr( p2, ':' );
153 p2 = strchr( url->psz_host, ':' );
158 url->i_port = atoi( p2 );
163 /* Now parse psz_path and psz_option */
166 url->psz_path = psz_parse;
169 p = strchr( url->psz_path, option );
179 /*****************************************************************************
181 *****************************************************************************/
182 static inline void vlc_UrlClean( vlc_url_t *url )
184 free( url->psz_buffer );
185 free( url->psz_host );
187 url->psz_protocol = NULL;
188 url->psz_username = NULL;
189 url->psz_password = NULL;
190 url->psz_host = NULL;
192 url->psz_path = NULL;
193 url->psz_option = NULL;
195 url->psz_buffer = NULL;
198 static inline char *vlc_UrlEncode( const char *psz_url )
200 /* FIXME: do not encode / : ? and & _when_ not needed */
201 return encode_URI_component( psz_url );
206 /** Check whether a given string is not a valid URL and must hence be
208 static inline int vlc_UrlIsNotEncoded( const char *psz_url )
212 for( ptr = psz_url; *ptr; ptr++ )
218 if( !isxdigit( ptr[1] ) || !isxdigit( ptr[2] ) )
219 return 1; /* not encoded */
223 if( ( (unsigned char)( c - 'a' ) < 26 )
224 || ( (unsigned char)( c - 'A' ) < 26 )
225 || ( (unsigned char)( c - '0' ) < 10 )
226 || ( strchr( "-_.", c ) != NULL ) )
229 return 0; /* looks fine - but maybe it is not encoded */