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/* ScummVM - Graphic Adventure Engine
*
* ScummVM 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
#include "sword25/kernel/log.h"
#include "base/version.h"
#include "common/config-manager.h"
#include "common/fs.h"
namespace Sword25 {
// Constants
static const char *BF_LOG_FILENAME = "log.txt";
static const size_t LOG_BUFFERSIZE = 1024 * 16;
// Logging will take place only when it's activated
#ifdef BS_ACTIVATE_LOGGING
Common::WriteStream *BS_Log::_LogFile = NULL;
bool BS_Log::_LineBegin = true;
const char *BS_Log::_Prefix = NULL;
const char *BS_Log::_File = NULL;
int BS_Log::_Line = 0;
bool BS_Log::_AutoNewline = false;
Common::Array<BS_Log::LOG_LISTENER_CALLBACK> BS_Log::_LogListener;
bool BS_Log::_CreateLog() {
// Open the log file
Common::FSNode dataDir(ConfMan.get("path"));
Common::FSNode file = dataDir.getChild(BF_LOG_FILENAME);
// Open the file for saving
_LogFile = file.createWriteStream();
if (_LogFile) {
// Add a title into the log file
Log("Broken Sword 2.5 Engine - Build: %s - %s - VersionID: %s\n", __DATE__, __TIME__, gScummVMFullVersion);
Log("-----------------------------------------------------------------------------------------------------\n");
return true;
}
// Log file could not be created
return false;
}
void BS_Log::_CloseLog() {
delete _LogFile;
_LogFile = NULL;
}
void BS_Log::Log(const char *Format, ...) {
char Message[LOG_BUFFERSIZE];
// Create the message
va_list ArgList;
va_start(ArgList, Format);
vsnprintf(Message, sizeof(Message), Format, ArgList);
// Log the message
_WriteLog(Message);
_FlushLog();
}
void BS_Log::LogPrefix(const char *Prefix, const char *Format, ...) {
char Message[LOG_BUFFERSIZE];
char ExtFormat[LOG_BUFFERSIZE];
// If the issue has ceased at the beginning of a new line, the new issue to begin with the prefix
ExtFormat[0] = 0;
if (_LineBegin) {
snprintf(ExtFormat, sizeof(ExtFormat), "%s%s: ", ExtFormat, Prefix);
_LineBegin = false;
}
// Format String pass line by line and each line with the initial prefix
for (;;) {
const char *NextLine = strstr(Format, "\n");
if (!NextLine || *(NextLine + strlen("\n")) == 0) {
snprintf(ExtFormat, sizeof(ExtFormat), "%s%s", ExtFormat, Format);
if (NextLine) _LineBegin = true;
break;
} else {
strncat(ExtFormat, Format, (NextLine - Format) + strlen("\n"));
snprintf(ExtFormat, sizeof(ExtFormat), "%s%s: ", ExtFormat, Prefix);
}
Format = NextLine + strlen("\n");
}
// Create message
va_list ArgList;
va_start(ArgList, Format);
vsnprintf(Message, sizeof(Message), ExtFormat, ArgList);
// Log the message
_WriteLog(Message);
_FlushLog();
}
void BS_Log::LogDecorated(const char *Format, ...) {
// Nachricht erzeugen
char Message[LOG_BUFFERSIZE];
va_list ArgList;
va_start(ArgList, Format);
vsnprintf(Message, sizeof(Message), Format, ArgList);
// Zweiten Prefix erzeugen, falls gew�nscht
char SecondaryPrefix[1024];
if (_File && _Line)
snprintf(SecondaryPrefix, sizeof(SecondaryPrefix), "(file: %s, line: %d) - ", _File, _Line);
// Nachricht zeilenweise ausgeben und an jeden Zeilenanfang das Pr�fix setzen
char *MessageWalker = Message;
for (;;) {
char *NextLine = strstr(MessageWalker, "\n");
if (NextLine) {
*NextLine = 0;
if (_LineBegin) {
_WriteLog(_Prefix);
if (_File && _Line)
_WriteLog(SecondaryPrefix);
}
_WriteLog(MessageWalker);
_WriteLog("\n");
MessageWalker = NextLine + sizeof("\n") - 1;
_LineBegin = true;
} else {
if (_LineBegin) {
_WriteLog(_Prefix);
if (_File && _Line)
_WriteLog(SecondaryPrefix);
}
_WriteLog(MessageWalker);
_LineBegin = false;
break;
}
}
// Falls gew�nscht, wird ans Ende der Nachricht automatisch ein Newline angeh�ngt.
if (_AutoNewline) {
_WriteLog("\n");
_LineBegin = true;
}
// Pseudoparameter zur�cksetzen
_Prefix = NULL;
_File = 0;
_Line = 0;
_AutoNewline = false;
_FlushLog();
}
int BS_Log::_WriteLog(const char *Message) {
if (!_LogFile) if (!_CreateLog()) return false;
Common::Array<LOG_LISTENER_CALLBACK>::iterator Iter = _LogListener.begin();
for (; Iter != _LogListener.end(); ++Iter)
(*Iter)(Message);
_LogFile->writeString(Message);
return true;
}
void BS_Log::_FlushLog() {
_LogFile->flush();
}
void (*BS_LogPtr)(const char *, ...) = BS_Log::Log;
void BS_Log_C(const char *Message) {
BS_LogPtr(Message);
}
#else
void BS_Log_C(const char *Message) {};
#endif
} // End of namespace Sword25
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