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/*
CmdLine plugin for Miranda IM
Copyright © 2007 Cristian Libotean
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 "commands.h"
inline char *STRNCPY(char *output, const char *input, size_t size)
{
char *res = strncpy(output, input, size);
output[size - 1] = 0;
return res;
}
LISTCOMMANDS ListCommands = NULL;
PCommand knownCommands = NULL;
int cKnownCommands = 0;
HMODULE hCmdLineDLL = NULL;
char *GetMirandaFolder(char *mimFolder, int size)
{
STRNCPY(mimFolder, sdCmdLine->mimFolder, size);
mimFolder[size - 1] = 0;
return mimFolder;
}
int ConnectToMiranda()
{
char pluginPath[1024];
GetMirandaFolder(pluginPath, sizeof(pluginPath));
strcat(pluginPath, "\\plugins\\cmdline.dll");
ListCommands = NULL;
hCmdLineDLL = LoadLibrary(pluginPath);
int failure = 1;
if (hCmdLineDLL)
{
ListCommands = (LISTCOMMANDS) GetProcAddress(hCmdLineDLL, "ListCommands");
}
if (ListCommands)
{
failure = 0;
}
return failure;
}
int DisconnectFromMiranda()
{
return FreeLibrary(hCmdLineDLL);
}
int GetKnownCommands()
{
ListCommands(&knownCommands, &cKnownCommands);
return (knownCommands == NULL);
}
int DestroyKnownCommands()
{
return 0;
}
PCommand GetCommand(char *command)
{
int i;
char lower[512];
STRNCPY(lower, command, sizeof(lower));
_strlwr(lower);
for (i = 0; i < cKnownCommands; i++)
{
if (strcmp(knownCommands[i].command, lower) == 0)
{
return &knownCommands[i];
}
}
//allow more parameters to trigger the help command - /h -h /? --help
if ((strcmp(lower, "/h") == 0) || (strcmp(lower, "-h") == 0) || (strcmp(lower, "/?") == 0) || (strcmp(lower, "--help") == 0))
{
for (i = 0; i < cKnownCommands; i++)
{
if (knownCommands[i].ID == MIMCMD_HELP)
{
return &knownCommands[i];
}
}
}
return NULL;
}
void HandleHelpCommand(PCommand helpCommand, char *argv[], int argc, PReply reply)
{
const int size = REPLY_SIZE;
if (argc >= 3)
{
PCommand command = GetCommand(argv[2]);
if (command)
{
reply->code = MIMRES_SUCCESS;
STRNCPY(reply->message, Translate(command->help), size);
}
else{
reply->code = MIMRES_NOTFOUND;
_snprintf(reply->message, size, Translate("No help for '%s'."), argv[2]);
reply->message[size -1 ] = 0;
}
}
else{
reply->code = MIMRES_SUCCESS;
STRNCPY(reply->message, Translate("Available commands: "), size);
int i;
for (i = 0; i < cKnownCommands - 1; i++)
{
strncat(reply->message, knownCommands[i].command, size);
strncat(reply->message, ", ", size);
}
strncat(reply->message, knownCommands[cKnownCommands - 1].command, size);
strncat(reply->message, ".", size);
}
}
PReply ParseCommand(char *argv[], int argc)
{
PCommand command = GetCommand(argv[1]);
if (command)
{
PReply reply = &sdCmdLine->reply;
if (command->ID == MIMCMD_HELP)
{
HandleHelpCommand(command, argv, argc, reply);
}
else{
ProcessConsoleCommand(command, argv, argc, reply);
}
return reply;
}
else{
return NULL;
}
}
void FillSharedDataStruct(PCommand command, char *arguments[], int count)
{
int i;
for (i = 0; i < count; i++)
{
STRNCPY(sdCmdLine->arguments[i], arguments[i], ARGUMENT_SIZE);
}
sdCmdLine->cArguments = count;
sdCmdLine->command = *command;
*sdCmdLine->reply.message = 0;
sdCmdLine->reply.code =-1;
}
void ProcessConsoleCommand(PCommand command, char *arguments[], int count, PReply reply)
{
const HANDLE events[] = {heServerDone, heServerClose, heServerBufferFull};
const int cEvents = sizeof(events) / sizeof(events[0]);
if (WaitForSingleObject(hmClient, INFINITE) == WAIT_OBJECT_0)
{//got the mutex, we're the only one who can talk to miranda now
FillSharedDataStruct(command, arguments, count);
SetEvent(heServerExec); //tell Miranda to process the request
int done = FALSE;
while (!done)
{
switch (WaitForMultipleObjects(cEvents, events, FALSE, INFINITE)) //wait until server either finished processing or miranda was closed
{
case WAIT_OBJECT_0: //done event
{
done = TRUE;
break; //nothing to do
}
case WAIT_OBJECT_0 + 1: //close event
default:
{
strcpy(sdCmdLine->reply.message, Translate("Miranda has been closed or an error has occured while waiting for the result, could not process request."));
done = TRUE;
break;
}
case WAIT_OBJECT_0 + 2: //buffer full event
{
lpprintf("%s", reply->message);
break;
}
}
}
reply->code = sdCmdLine->reply.code;
STRNCPY(reply->message, sdCmdLine->reply.message, REPLY_SIZE);
ReleaseMutex(hmClient); //let other possible clients talk to the server
}
else{
int err = GetLastError();
reply->code = -1;
*reply->message = 0;
}
}
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