diff -r 000000000000 -r 28c358053693 branches/gmyth-0.1b/src/gmyth_uri.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/branches/gmyth-0.1b/src/gmyth_uri.c Wed Feb 14 23:06:17 2007 +0000 @@ -0,0 +1,404 @@ +/** + * GMyth Library + * + * @file gmyth/gmyth_uri.c + * + * @brief

GMythURI utils + * - Extracts and parses a URI char string, in according with the RFC 2396 + * [http://www.ietf.org/rfc/rfc2396.txt] + * + * Copyright (C) 2006 INdT - Instituto Nokia de Tecnologia. + * @author Rosfran Borges + * + *//* + * + * This program 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 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 Lesser General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "gmyth_uri.h" + +#include +#include +#include + +#include "gmyth_debug.h" + +static void gmyth_uri_class_init (GMythURIClass *klass); +static void gmyth_uri_init (GMythURI *object); + +static void gmyth_uri_dispose (GObject *object); +static void gmyth_uri_finalize (GObject *object); + +G_DEFINE_TYPE(GMythURI, gmyth_uri, G_TYPE_OBJECT) + +static void +gmyth_uri_parser_setup_and_new( GMythURI *uri, const gchar *value ); + +static void +gmyth_uri_class_init (GMythURIClass *klass) +{ + GObjectClass *gobject_class; + + gobject_class = (GObjectClass *) klass; + + gobject_class->dispose = gmyth_uri_dispose; + gobject_class->finalize = gmyth_uri_finalize; +} + +static void +gmyth_uri_init (GMythURI *gmyth_uri) +{ +} + +static void +gmyth_uri_dispose (GObject *object) +{ + GMythURI *gmyth_uri = GMYTH_URI(object); + + if ( gmyth_uri->host != NULL ) { + g_string_free( gmyth_uri->host, TRUE ); + gmyth_uri->host = NULL; + } + + if ( gmyth_uri->protocol != NULL ) { + g_string_free( gmyth_uri->protocol, TRUE ); + gmyth_uri->protocol = NULL; + } + + if ( gmyth_uri->path != NULL ) { + g_string_free( gmyth_uri->path, TRUE ); + gmyth_uri->path = NULL; + } + + if ( gmyth_uri->fragment != NULL ) { + g_string_free( gmyth_uri->fragment, TRUE ); + gmyth_uri->fragment = NULL; + } + + if ( gmyth_uri->user != NULL ) { + g_string_free( gmyth_uri->user, TRUE ); + gmyth_uri->user = NULL; + } + + if ( gmyth_uri->password != NULL ) { + g_string_free( gmyth_uri->password, TRUE ); + gmyth_uri->password = NULL; + } + + if ( gmyth_uri->query != NULL ) { + g_string_free( gmyth_uri->query, TRUE ); + gmyth_uri->query = NULL; + } + + G_OBJECT_CLASS (gmyth_uri_parent_class)->dispose (object); +} + +static void +gmyth_uri_finalize (GObject *object) +{ + //GMythURI *gmyth_uri = GMYTH_URI(object); + + g_signal_handlers_destroy (object); + + G_OBJECT_CLASS (gmyth_uri_parent_class)->finalize (object); +} + +/** Creates a new instance of GMythURI. + * + * @return a new instance of GMythURI. + */ +GMythURI * +gmyth_uri_new (void) +{ + GMythURI *gmyth_uri = GMYTH_URI (g_object_new (GMYTH_URI_TYPE, NULL)); + + return gmyth_uri; +} + +/** Creates a new instance of GMythURI. + * + * @return a new instance of GMythURI. + */ +GMythURI * +gmyth_uri_new_with_value (const gchar *value) +{ + GMythURI *gmyth_uri = GMYTH_URI (g_object_new (GMYTH_URI_TYPE, NULL)); + + gmyth_uri_parser_setup_and_new (gmyth_uri, value); + + return gmyth_uri; +} + +static gint +gmyth_strstr (const gchar *haystack, const gchar *needle) +{ + + gchar *strPos; + + if (haystack == NULL || needle == NULL) + return -1; + strPos = strstr(haystack, needle); + if (strPos == NULL) + return -1; + + return (strPos - haystack); + +} + +static gboolean +gmyth_uri_isabsolute (const GMythURI *uri) +{ + gboolean ret = FALSE; + + g_return_val_if_fail( uri != NULL && uri->uri != NULL && uri->protocol != NULL, FALSE ); + + if ( gmyth_strstr( uri->uri->str, GMYTH_URI_PROTOCOL_DELIM ) == 0 || strlen(uri->protocol->str) > 0 ) + ret = TRUE; + + return ret; +} + +static gint +gmyth_strrchr( const gchar *str, const gchar *chars, const gint nchars ) +{ + + gint strLen; + gint i, j; + + if ( str == NULL || chars == NULL ) + return -1; + + strLen = strlen( str ); + for ( i= (strLen-1); 0 <= i; i-- ) { + for ( j=0; jstr != NULL && strlen(field->str) > 0 ) + return field->str; + else + return ""; +} + +static void +gmyth_uri_parser_setup_and_new( GMythURI *uri, const gchar *value ) +{ + + gint uriLen; + gint currIdx; + gint protoIdx; + gint atIdx; + gint colonIdx; + gint shashIdx; + gint eIdx; + gchar *host; + gint eblacketIdx; + gint hostLen; + gint sharpIdx; + /* + gint questionIdx; + gint queryLen; + */ + + uriLen = strlen(value); + uri->uri = g_string_new( value ); + + currIdx = 0; + + /*** Protocol ****/ + protoIdx = gmyth_strstr (value, GMYTH_URI_PROTOCOL_DELIM); + if (0 < protoIdx) { + uri->protocol = g_string_new_len (value, protoIdx); + currIdx += protoIdx + strlen( GMYTH_URI_PROTOCOL_DELIM ); + } + + /*** User (Password) ****/ + atIdx = gmyth_strstr( value+currIdx, GMYTH_URI_USER_DELIM ); + if ( 0 < atIdx ) { + colonIdx = gmyth_strstr( value+currIdx, GMYTH_URI_COLON_DELIM ); + + if (0 < colonIdx && colonIdx < atIdx) { + uri->user = g_string_new_len (value+currIdx, colonIdx); + uri->password = g_string_new_len (value+currIdx+colonIdx+1, atIdx - (colonIdx+1)); + } + else + uri->user = g_string_new_len (value+currIdx, atIdx - currIdx); + currIdx += atIdx + 1; + } + + /*** Host (Port) ****/ + shashIdx = gmyth_strstr( value+currIdx, GMYTH_URI_SLASH_DELIM ); + if (0 < shashIdx) + uri->host = g_string_new_len (value+currIdx, shashIdx); + else if ( gmyth_uri_isabsolute(uri) == TRUE ) + uri->host = g_string_new_len (value+currIdx, strlen (value) - currIdx); + + host = gmyth_uri_get_host(uri); + colonIdx = gmyth_strrchr (host, GMYTH_URI_COLON_DELIM, 1); + eblacketIdx = gmyth_strrchr (host, GMYTH_URI_EBLACET_DELIM, 1); + if ( ( 0 < colonIdx ) && ( eblacketIdx < colonIdx ) ) { + GString *portStr = NULL; + GString *hostStr = g_string_new (host != NULL ? host : ""); + + hostLen = hostStr->len; + /**** host ****/ + uri->host = g_string_erase (uri->host, 0, hostLen); + uri->host = g_string_insert_len (uri->host, 0, hostStr->str, colonIdx); + if (0 < hostLen) { + if (host[0] == '[' && host[hostLen-1] == ']') + uri->host = g_string_new_len (hostStr->str+1, colonIdx-2); + } + /**** port ****/ + portStr = g_string_new_len (hostStr->str+colonIdx+1, hostLen-colonIdx-1); + uri->port = (gint)g_ascii_strtoull( portStr->str, NULL, 10 ); + g_string_free (portStr, TRUE); + g_string_free (hostStr, TRUE); + } + else { + const gchar* protocol = gmyth_uri_get_protocol(uri); + uri->port = GMYTH_URI_KNKOWN_PORT; + if ( strcmp(protocol, GMYTH_URI_PROTOCOL_HTTP) == 0 ) + uri->port = GMYTH_URI_DEFAULT_HTTP_PORT; + if ( strcmp(protocol, GMYTH_URI_PROTOCOL_FTP) == 0 ) + uri->port = GMYTH_URI_DEFAULT_FTP_PORT; + } + + if (shashIdx > 0) currIdx += shashIdx; + + /* + Handle relative URL + */ + if (gmyth_uri_isabsolute(uri) == FALSE) + { + + if (shashIdx != 0) + { + /* Add slash delimiter at the beginning of the URL, + if it doesn't exist + */ + uri->path = g_string_new( GMYTH_URI_SLASH_DELIM ); + } + uri->path = g_string_append( uri->path, value ); + + } else { + /* First set path simply to the rest of URI */ + uri->path = g_string_new_len (value+currIdx, uriLen-currIdx ); + } + + gmyth_debug( "uri value: %s", value ); + uri->query = g_string_new ( g_strstr_len( value, strlen(value), GMYTH_URI_E_DELIM ) ); + + eIdx = gmyth_strstr( value+currIdx, GMYTH_URI_E_DELIM ); + + if ( 0 < eIdx ) { + uri->query = g_string_new ( g_strstr_len( value, strlen(value), GMYTH_URI_E_DELIM ) ); + gmyth_debug( "query = %s", uri->query->str ); + } + + /**** Path (Query/Fragment) ****/ + sharpIdx = gmyth_strstr(value+currIdx, GMYTH_URI_SHARP_DELIM); + if (0 < sharpIdx) { + uri->path = g_string_append_len( uri->path, value+currIdx, sharpIdx); + uri->fragment = g_string_new_len (value+currIdx+sharpIdx+1, uriLen-(currIdx+sharpIdx+1)); + } + + gmyth_debug( "[%s] GMythURI: host = %s, port = %d, path = %s, query = %s, fragment = %s, "\ + "user = %s, password = %s.\n", __FUNCTION__, gmyth_uri_print_field( uri->host ), uri->port, + gmyth_uri_print_field( uri->path ), gmyth_uri_print_field( uri->query ), gmyth_uri_print_field( uri->fragment ), + gmyth_uri_print_field ( uri->user ), gmyth_uri_print_field( uri->password ) ); + +} + +gboolean +gmyth_uri_is_equals( GMythURI* uri1, GMythURI* uri2 ) +{ + return ( g_ascii_strcasecmp( gmyth_uri_get_host( uri1 ), gmyth_uri_get_host( uri2 ) ) == 0 && + gmyth_uri_get_port( uri1 ) == gmyth_uri_get_port( uri2 ) ); +} + +gboolean +gmyth_uri_is_livetv( GMythURI* uri ) +{ + gboolean ret = FALSE; + + g_return_val_if_fail( uri != NULL && uri->uri != NULL && uri->uri->str != NULL, FALSE ); + + ret = ( g_strstr_len( uri->uri->str, strlen( uri->uri->str ), "/?" ) != NULL ); + + if ( ret ) + gmyth_debug( "This URI is a LiveTV recording..." ); + + return ret; + +} + +gchar* +gmyth_uri_get_channel_name( GMythURI* uri ) +{ + gchar* channel = NULL; + + g_return_val_if_fail( uri != NULL && uri->uri != NULL && uri->uri->str != NULL, FALSE ); + + gchar *channel_query = g_strstr_len( gmyth_uri_get_query( uri ), strlen( gmyth_uri_get_query( uri ) ), "channel" ); + + if ( channel_query != NULL ) + { + gmyth_debug( "TV Channel is in the following URI segment: %s", channel_query ); + + gchar **chan_key_value = g_strsplit( gmyth_uri_get_query( uri ), "=", 2 ); + + /* gmyth_debug( "Channel tuple is [ %s, %s ]", chan_key_value[0], chan_key_value[1] ); */ + + if ( chan_key_value[1] != NULL ) + { + channel = g_strdup( chan_key_value[1] ); + } + + if ( chan_key_value != NULL ) + g_strfreev( chan_key_value ); + } + + gmyth_debug( "Got channel decimal value from the URI: %s", channel ); + + return channel; + +} + +gint +gmyth_uri_get_channel_num( GMythURI* uri ) +{ + gchar *channel_name = gmyth_uri_get_channel_name( uri ); + + if ( channel_name != NULL ) + { + return g_ascii_strtoull( channel_name, NULL, 10 ); + } + + return -1; + +}