RetroZilla/toolkit/xre/nsConsoleWriter.cpp

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2015-10-21 05:03:22 +02:00
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Mozilla Toolkit.
*
* The Initial Developer of the Original Code is
* Benjamin Smedberg <benjamin@smedbergs.us>
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsAppRunner.h"
#include "prio.h"
#include "prprf.h"
#include "prtime.h"
#include "prenv.h"
#include "nsCRT.h"
#include "nsNativeCharsetUtils.h"
#include "nsString.h"
#include "nsXREDirProvider.h"
#include "nsXULAppAPI.h"
#include "nsIConsoleService.h"
#include "nsIConsoleMessage.h"
void
WriteConsoleLog()
{
nsresult rv;
nsCOMPtr<nsILocalFile> lfile;
char* logFileEnv = PR_GetEnv("XRE_CONSOLE_LOG");
if (logFileEnv && *logFileEnv) {
rv = XRE_GetFileFromPath(logFileEnv, getter_AddRefs(lfile));
if (NS_FAILED(rv))
return;
}
else {
if (!gLogConsoleErrors)
return;
rv = gDirServiceProvider->GetUserAppDataDirectory(getter_AddRefs(lfile));
if (NS_FAILED(rv))
return;
lfile->AppendNative(NS_LITERAL_CSTRING("console.log"));
}
PRFileDesc *file;
rv = lfile->OpenNSPRFileDesc(PR_WRONLY | PR_APPEND | PR_CREATE_FILE,
0660, &file);
if (NS_FAILED(rv))
return;
nsCOMPtr<nsIConsoleService> csrv
(do_GetService(NS_CONSOLESERVICE_CONTRACTID));
if (!csrv) {
PR_Close(file);
return;
}
nsIConsoleMessage** messages;
PRUint32 mcount;
rv = csrv->GetMessageArray(&messages, &mcount);
if (NS_FAILED(rv)) {
PR_Close(file);
return;
}
if (mcount) {
PRExplodedTime etime;
PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &etime);
char datetime[512];
PR_FormatTimeUSEnglish(datetime, sizeof(datetime),
"%Y-%m-%d %H:%M:%S", &etime);
PR_fprintf(file, NS_LINEBREAK
"*** Console log: %s ***" NS_LINEBREAK,
datetime);
}
// From this point on, we have to release all the messages, and free
// the memory allocated for the messages array. XPCOM arrays suck.
nsXPIDLString msg;
nsCAutoString nativemsg;
for (PRUint32 i = 0; i < mcount; ++i) {
rv = messages[i]->GetMessage(getter_Copies(msg));
if (NS_SUCCEEDED(rv)) {
NS_CopyUnicodeToNative(msg, nativemsg);
PR_fprintf(file, "%s" NS_LINEBREAK, nativemsg.get());
}
NS_IF_RELEASE(messages[i]);
}
PR_Close(file);
NS_Free(messages);
}