gecko-dev/toolkit/xre/nsConsoleWriter.cpp

96 lines
2.3 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsAppRunner.h"
#include "prio.h"
#include "prprf.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<nsIFile> 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;
uint32_t mcount;
rv = csrv->GetMessageArray(&mcount, &messages);
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;
nsAutoCString nativemsg;
for (uint32_t i = 0; i < mcount; ++i) {
rv = messages[i]->GetMessageMoz(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);
}