98 lines
2.0 KiB
C++
98 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set ts=8 sts=4 et sw=4 tw=99: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Debug Logging support. */
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#include "XPCLog.h"
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#include "mozilla/Logging.h"
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#include "prprf.h"
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#include "mozilla/mozalloc.h"
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#include <string.h>
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#include <stdarg.h>
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// this all only works for DEBUG...
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#ifdef DEBUG
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#define SPACE_COUNT 200
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#define LINE_LEN 200
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#define INDENT_FACTOR 2
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#define CAN_RUN (g_InitState == 1 || (g_InitState == 0 && Init()))
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static char* g_Spaces;
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static int g_InitState = 0;
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static int g_Indent = 0;
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static PRLogModuleInfo* g_LogMod = nullptr;
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static bool Init()
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{
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g_LogMod = PR_NewLogModule("xpclog");
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g_Spaces = new char[SPACE_COUNT+1];
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if (!g_LogMod || !g_Spaces || !MOZ_LOG_TEST(g_LogMod,LogLevel::Error)) {
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g_InitState = 1;
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XPC_Log_Finish();
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return false;
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}
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memset(g_Spaces, ' ', SPACE_COUNT);
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g_Spaces[SPACE_COUNT] = 0;
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g_InitState = 1;
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return true;
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}
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void
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XPC_Log_Finish()
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{
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if (g_InitState == 1) {
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delete [] g_Spaces;
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// we'd like to properly cleanup the LogModule, but nspr owns that
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g_LogMod = nullptr;
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}
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g_InitState = -1;
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}
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void
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XPC_Log_print(const char* fmt, ...)
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{
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va_list ap;
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char line[LINE_LEN];
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va_start(ap, fmt);
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PR_vsnprintf(line, sizeof(line)-1, fmt, ap);
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va_end(ap);
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if (g_Indent)
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PR_LogPrint("%s%s",g_Spaces+SPACE_COUNT-(INDENT_FACTOR*g_Indent),line);
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else
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PR_LogPrint("%s",line);
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}
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bool
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XPC_Log_Check(int i)
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{
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return CAN_RUN && MOZ_LOG_TEST(g_LogMod,LogLevel::Error);
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}
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void
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XPC_Log_Indent()
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{
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if (INDENT_FACTOR*(++g_Indent) > SPACE_COUNT)
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g_Indent-- ;
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}
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void
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XPC_Log_Outdent()
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{
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if (--g_Indent < 0)
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g_Indent++;
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}
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void
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XPC_Log_Clear_Indent()
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{
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g_Indent = 0;
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}
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#endif
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