-typedef struct
-{
- 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_url_t;
-
-/*****************************************************************************
- * 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;
-
- 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 );
-
- p = strstr( psz_parse, ":/" );
- if( p != NULL )
- {
- /* we have a protocol */
-
- /* skip :// */
- *p++ = '\0';
- if( p[1] == '/' )
- p += 2;
- url->psz_protocol = psz_parse;
- psz_parse = p;
- }
- p = strchr( psz_parse, '@' );
- if( p != NULL )
- {
- /* We have a login */
- url->psz_username = psz_parse;
- *p++ = '\0';
-
- psz_parse = strchr( psz_parse, ':' );
- if( psz_parse != NULL )
- {
- /* We have a password */
- *psz_parse++ = '\0';
- url->psz_password = psz_parse;
- }
-
- psz_parse = p;
- }
-
- p = strchr( psz_parse, '/' );
- if( !p || psz_parse < p )
- {
- char *p2;
-
- /* We have a host[:port] */
- url->psz_host = strdup( psz_parse );
- if( p )
- {
- url->psz_host[p - psz_parse] = '\0';
- }
-
- 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++ = '\0';
- 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 != '\0' )
- {
- p = strchr( url->psz_path, option );
- if( p )
- {
- *p++ = '\0';
- url->psz_option = p;
- }
- }
- }
-}
-
-/*****************************************************************************
- * vlc_UrlClean:
- *****************************************************************************
- *
- *****************************************************************************/
-static inline void vlc_UrlClean( vlc_url_t *url )
-{
- if( url->psz_buffer ) free( url->psz_buffer );
- if( url->psz_host ) 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;
-}
-
-/*****************************************************************************
- * vlc_UrlEncode:
- *****************************************************************************
- * perform URL encoding
- * (you do NOT want to do URL decoding - it is not reversible - do NOT do it)
- *****************************************************************************/
-static inline char *vlc_UrlEncode( const char *psz_url )
-{
- char *psz_enc, *out;
- const char *in;
-
- psz_enc = (char *)malloc( 3 * strlen( psz_url ) + 1 );
- if( psz_enc == NULL )
- return NULL;
-
- out = psz_enc;
- for( in = psz_url; *in; in++ )
- {
- char c = *in;
-
- if( ( c <= 32 ) || ( c == '%' ) || ( c == '?' ) || ( c == '&' )
- || ( c == '+' ) )
- {
- *out++ = '%';
- *out++ = ( ( c >> 4 ) >= 0xA ) ? 'A' + ( c >> 4 ) - 0xA
- : '0' + ( c >> 4 );
- *out++ = ( ( c & 0xf ) >= 0xA ) ? 'A' + ( c & 0xf ) - 0xA
- : '0' + ( c & 0xf );
- }
- else
- *out++ = c;
- }
- *out++ = '\0';
-
- return (char *)realloc( psz_enc, out - psz_enc );
-}
-
-/*****************************************************************************
- * vlc_UrlIsNotEncoded:
- *****************************************************************************
- * check if given string is not a valid URL and must hence be encoded
- *****************************************************************************/
-#include <ctype.h>
-
-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( c == ' ' )
- return 1;
- }
- return 0; /* looks fine - but maybe it is not encoded */
-}
-
-/*****************************************************************************
- * vlc_b64_encode:
- *****************************************************************************
- *
- *****************************************************************************/
-static inline char *vlc_b64_encode( char *src )
-{
- static const char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
- char *dst = (char *)malloc( strlen( src ) * 4 / 3 + 12 );
- char *ret = dst;
- unsigned i_bits = 0;
- unsigned i_shift = 0;
-
- for( ;; )
- {
- if( *src )
- {
- i_bits = ( i_bits << 8 )|( *src++ );
- i_shift += 8;
- }
- else if( i_shift > 0 )
- {
- i_bits <<= 6 - i_shift;
- i_shift = 6;
- }
- else
- {
- *dst++ = '=';
- break;
- }
-
- while( i_shift >= 6 )
- {
- i_shift -= 6;
- *dst++ = b64[(i_bits >> i_shift)&0x3f];
- }
- }
-
- *dst++ = '\0';
-
- return ret;
-}
-