diff -r 000000000000 -r 81b1f3006eb2 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	Tue Feb 06 00:33:35 2007 +0000
@@ -0,0 +1,404 @@
+/** 
+ * GMyth Library
+ *
+ * @file gmyth/gmyth_uri.c
+ * 
+ * @brief <p> 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 <rosfran.borges@indt.org.br>
+ *
+ *//*
+ * 
+ * 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 <glib.h>
+#include <string.h>
+#include <stdlib.h>
+
+#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; j<nchars; j++ ) {
+			if ( str[i] == chars[j] )
+				return i;
+		}
+	}
+
+	return -1;
+
+}
+
+static gchar*
+gmyth_uri_print_field( const GString* field )
+{
+	if ( field != NULL && field->str != 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;
+	
+}