ai_log.cpp

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00001 /* $Id: ai_log.cpp 17248 2009-08-21 20:21:05Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD 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, version 2.
00006  * OpenTTD 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.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "ai_log.hpp"
00013 #include "../../core/alloc_func.hpp"
00014 #include "../../company_func.h"
00015 #include "../../debug.h"
00016 #include "../../window_func.h"
00017 
00018 /* static */ void AILog::Info(const char *message)
00019 {
00020   AILog::Log(LOG_INFO, message);
00021 }
00022 
00023 /* static */ void AILog::Warning(const char *message)
00024 {
00025   AILog::Log(LOG_WARNING, message);
00026 }
00027 
00028 /* static */ void AILog::Error(const char *message)
00029 {
00030   AILog::Log(LOG_ERROR, message);
00031 }
00032 
00033 /* static */ void AILog::Log(AILog::AILogType level, const char *message)
00034 {
00035   if (AIObject::GetLogPointer() == NULL) {
00036     AIObject::GetLogPointer() = new LogData();
00037     LogData *log = (LogData *)AIObject::GetLogPointer();
00038 
00039     log->lines = CallocT<char *>(80);
00040     log->type = CallocT<AILog::AILogType>(80);
00041     log->count = 80;
00042     log->pos = log->count - 1;
00043     log->used = 0;
00044   }
00045   LogData *log = (LogData *)AIObject::GetLogPointer();
00046 
00047   /* Go to the next log-line */
00048   log->pos = (log->pos + 1) % log->count;
00049 
00050   if (log->used != log->count) log->used++;
00051 
00052   /* Free last message, and write new message */
00053   free(log->lines[log->pos]);
00054   log->lines[log->pos] = strdup(message);
00055   log->type[log->pos] = level;
00056 
00057   /* Cut string after first \n */
00058   char *p;
00059   while ((p = strchr(log->lines[log->pos], '\n')) != NULL) {
00060     *p = '\0';
00061     break;
00062   }
00063 
00064   char logc;
00065 
00066   switch (level) {
00067     case LOG_SQ_ERROR: logc = 'S'; break;
00068     case LOG_ERROR:    logc = 'E'; break;
00069     case LOG_SQ_INFO:  logc = 'P'; break;
00070     case LOG_WARNING:  logc = 'W'; break;
00071     case LOG_INFO:     logc = 'I'; break;
00072     default:           logc = '?'; break;
00073   }
00074 
00075   /* Also still print to debug window */
00076   DEBUG(ai, level, "[%d] [%c] %s", (uint)_current_company, logc, log->lines[log->pos]);
00077   InvalidateWindowData(WC_AI_DEBUG, 0, _current_company);
00078 }
00079 
00080 /* static */ void AILog::FreeLogPointer()
00081 {
00082   LogData *log = (LogData *)AIObject::GetLogPointer();
00083 
00084   for (int i = 0; i < log->count; i++) {
00085     free(log->lines[i]);
00086   }
00087 
00088   free(log->lines);
00089   free(log->type);
00090   delete log;
00091 }

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