--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/libgaim/protocols/msn/command.c Sun Apr 15 02:10:37 2007 +0000
@@ -0,0 +1,193 @@
+/**
+ * @file command.c MSN command functions
+ *
+ * gaim
+ *
+ * Gaim is the legal property of its developers, whose names are too numerous
+ * to list here. Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include "msn.h"
+#include "command.h"
+
+/*local Function prototype*/
+int msn_get_payload_position(char *str);
+int msn_set_payload_len(MsnCommand *cmd);
+
+static gboolean
+is_num(char *str)
+{
+ char *c;
+ for (c = str; *c; c++) {
+ if (!(g_ascii_isdigit(*c)))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/*
+ * check the command is the command with payload content
+ * if it is return TRUE
+ * else return FALSE
+ */
+static gboolean
+msn_check_payload_cmd(char *str)
+{
+ if( (!strcmp(str,"ADL")) ||
+ (!strcmp(str,"GCF")) ||
+ (!strcmp(str,"SG")) ||
+ (!strcmp(str,"MSG")) ||
+ (!strcmp(str,"RML")) ||
+ (!strcmp(str,"UBX")) ||
+ (!strcmp(str,"UBN")) ||
+ (!strcmp(str,"UUM")) ||
+ (!strcmp(str,"UBM")) ||
+ (!strcmp(str,"FQY")) ||
+ (!strcmp(str,"UUN")) ||
+ (!strcmp(str,"UUX"))){
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/*get the payload positon*/
+int msn_get_payload_position(char *str)
+{
+ /*because MSG has "MSG hotmail hotmail [payload length]"*/
+ if(!(strcmp(str,"MSG"))|| (!strcmp(str,"UBX")) ){
+ return 2;
+ }
+ /*Yahoo User Message UBM
+ * Format UBM email@yahoo.com 32 1 [payload length]*/
+ if(!(strcmp(str,"UBM"))|| (!strcmp(str,"UUM")) ){
+ return 3;
+ }
+
+ return 1;
+}
+
+/*
+ * set command Payload length
+ */
+int
+msn_set_payload_len(MsnCommand *cmd)
+{
+ char * param;
+
+ if(msn_check_payload_cmd(cmd->command)){
+ param = cmd->params[msn_get_payload_position(cmd->command)];
+#if 0
+ if(!(strcmp(cmd->command,"MSG"))){
+ param = cmd->params[2];
+ }else{
+ param = cmd->params[1];
+ }
+#endif
+ cmd->payload_len = is_num(param) ? atoi(param) : 0;
+ }else{
+ cmd->payload_len = 0;
+ }
+ return 0;
+}
+
+MsnCommand *
+msn_command_from_string(const char *string)
+{
+ MsnCommand *cmd;
+ char *tmp;
+ char *param_start;
+ char *param;
+ int c;
+
+ g_return_val_if_fail(string != NULL, NULL);
+
+ tmp = g_strdup(string);
+ param_start = strchr(tmp, ' ');
+
+ cmd = g_new0(MsnCommand, 1);
+ cmd->command = tmp;
+
+ if (param_start)
+ {
+ *param_start++ = '\0';
+ cmd->params = g_strsplit(param_start, " ", 0);
+
+ for (c = 0; cmd->params[c]; c++);
+ cmd->param_count = c;
+
+ param = cmd->params[0];
+
+ cmd->trId = is_num(param) ? atoi(param) : 0;
+ }
+ else
+ cmd->trId = 0;
+ }
+ /*add payload Length checking*/
+ msn_set_payload_len(cmd);
+ gaim_debug_info("MaYuan","get payload len:%d\n",cmd->payload_len);
+
+ msn_command_ref(cmd);
+
+ return cmd;
+}
+
+void
+msn_command_destroy(MsnCommand *cmd)
+{
+ g_return_if_fail(cmd != NULL);
+
+ if (cmd->ref_count > 0)
+ {
+ msn_command_unref(cmd);
+ return;
+ }
+
+ if (cmd->payload != NULL)
+ g_free(cmd->payload);
+
+ g_free(cmd->command);
+ g_strfreev(cmd->params);
+ g_free(cmd);
+}
+
+MsnCommand *
+msn_command_ref(MsnCommand *cmd)
+{
+ g_return_val_if_fail(cmd != NULL, NULL);
+
+ cmd->ref_count++;
+ return cmd;
+}
+
+MsnCommand *
+msn_command_unref(MsnCommand *cmd)
+{
+ g_return_val_if_fail(cmd != NULL, NULL);
+ g_return_val_if_fail(cmd->ref_count > 0, NULL);
+
+ cmd->ref_count--;
+
+ if (cmd->ref_count == 0)
+ {
+ msn_command_destroy(cmd);
+ return NULL;
+ }
+
+ return cmd;
+}