vlc_url.h
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:6k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * vlc_url.h: URL related macros
- *****************************************************************************
- * Copyright (C) 2002-2006 the VideoLAN team
- * $Id: e5b29eba2364921cd6491800d40fea7115431a46 $
- *
- * Authors: Christophe Massiot <massiot@via.ecp.fr>
- * Rémi Denis-Courmont <rem # videolan.org>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifndef VLC_URL_H
- # define VLC_URL_H
- /**
- * file
- * This file defines functions for manipulating URL in vlc
- */
- struct vlc_url_t
- {
- char *psz_protocol;
- char *psz_username;
- char *psz_password;
- char *psz_host;
- int i_port;
- char *psz_path;
- char *psz_option;
- char *psz_buffer; /* to be freed */
- };
- VLC_EXPORT( char *, decode_URI_duplicate, ( const char *psz ) );
- VLC_EXPORT( char *, decode_URI, ( char *psz ) );
- VLC_EXPORT( char *, encode_URI_component, ( const char *psz ) );
- VLC_EXPORT( char *, make_URI, ( const char *path ) );
- /*****************************************************************************
- * vlc_UrlParse:
- *****************************************************************************
- * option : if != 0 then path is split at this char
- *
- * format [protocol://[login[:password]@]][host[:port]]/path[OPTIONoption]
- *****************************************************************************/
- static inline void vlc_UrlParse( vlc_url_t *url, const char *psz_url,
- char option )
- {
- char *psz_dup;
- char *psz_parse;
- char *p;
- char *p2;
- url->psz_protocol = NULL;
- url->psz_username = NULL;
- url->psz_password = NULL;
- url->psz_host = NULL;
- url->i_port = 0;
- url->psz_path = NULL;
- url->psz_option = NULL;
- if( psz_url == NULL )
- {
- url->psz_buffer = NULL;
- return;
- }
- url->psz_buffer = psz_parse = psz_dup = strdup( psz_url );
- /* Search a valid protocol */
- p = strstr( psz_parse, ":/" );
- if( p != NULL )
- {
- for( p2 = psz_parse; p2 < p; p2++ )
- {
- #define I(i,a,b) ( (a) <= (i) && (i) <= (b) )
- if( !I(*p2, 'a', 'z' ) && !I(*p2, 'A', 'Z') && !I(*p2, '0', '9') && *p2 != '+' && *p2 != '-' && *p2 != '.' )
- {
- p = NULL;
- break;
- }
- #undef I
- }
- }
- if( p != NULL )
- {
- /* we have a protocol */
- /* skip :// */
- *p++ = ' ';
- if( p[1] == '/' )
- p += 2;
- url->psz_protocol = psz_parse;
- psz_parse = p;
- }
- p = strchr( psz_parse, '@' );
- p2 = strchr( psz_parse, '/' );
- if( p != NULL && ( p2 != NULL ? p < p2 : 1 ) )
- {
- /* We have a login */
- url->psz_username = psz_parse;
- *p++ = ' ';
- psz_parse = strchr( psz_parse, ':' );
- if( psz_parse != NULL )
- {
- /* We have a password */
- *psz_parse++ = ' ';
- url->psz_password = psz_parse;
- decode_URI( url->psz_password );
- }
- decode_URI( url->psz_username );
- psz_parse = p;
- }
- p = strchr( psz_parse, '/' );
- if( !p || psz_parse < p )
- {
- /* We have a host[:port] */
- url->psz_host = strdup( psz_parse );
- if( p )
- {
- url->psz_host[p - psz_parse] = ' ';
- }
- if( *url->psz_host == '[' )
- {
- /* Ipv6 address */
- p2 = strchr( url->psz_host, ']' );
- if( p2 )
- {
- p2 = strchr( p2, ':' );
- }
- }
- else
- {
- p2 = strchr( url->psz_host, ':' );
- }
- if( p2 )
- {
- *p2++ = ' ';
- url->i_port = atoi( p2 );
- }
- }
- psz_parse = p;
- /* Now parse psz_path and psz_option */
- if( psz_parse )
- {
- url->psz_path = psz_parse;
- if( option != ' ' )
- {
- p = strchr( url->psz_path, option );
- if( p )
- {
- *p++ = ' ';
- url->psz_option = p;
- }
- }
- }
- }
- /*****************************************************************************
- * vlc_UrlClean:
- *****************************************************************************/
- static inline void vlc_UrlClean( vlc_url_t *url )
- {
- free( url->psz_buffer );
- free( url->psz_host );
- url->psz_protocol = NULL;
- url->psz_username = NULL;
- url->psz_password = NULL;
- url->psz_host = NULL;
- url->i_port = 0;
- url->psz_path = NULL;
- url->psz_option = NULL;
- url->psz_buffer = NULL;
- }
- static inline char *vlc_UrlEncode( const char *psz_url )
- {
- /* FIXME: do not encode / : ? and & _when_ not needed */
- return encode_URI_component( psz_url );
- }
- #include <ctype.h>
- /** Check whether a given string is not a valid URL and must hence be
- * encoded */
- static inline int vlc_UrlIsNotEncoded( const char *psz_url )
- {
- const char *ptr;
- for( ptr = psz_url; *ptr; ptr++ )
- {
- char c = *ptr;
- if( c == '%' )
- {
- if( !isxdigit( ptr[1] ) || !isxdigit( ptr[2] ) )
- return 1; /* not encoded */
- ptr += 2;
- }
- else
- if( ( (unsigned char)( c - 'a' ) < 26 )
- || ( (unsigned char)( c - 'A' ) < 26 )
- || ( (unsigned char)( c - '0' ) < 10 )
- || ( strchr( "-_.", c ) != NULL ) )
- return 1;
- }
- return 0; /* looks fine - but maybe it is not encoded */
- }
- #endif