54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#include "NSPRLogModulesParser.h"
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#include "mozilla/Tokenizer.h"
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const char kDelimiters[] = ", ";
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const char kAdditionalWordChars[] = "_-";
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namespace mozilla {
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void
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NSPRLogModulesParser(const char* aLogModules,
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function<void(const char*, LogLevel, int32_t)> aCallback)
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{
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if (!aLogModules) {
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return;
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}
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Tokenizer parser(aLogModules, kDelimiters, kAdditionalWordChars);
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nsAutoCString moduleName;
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// Format: LOG_MODULES="Foo:2,Bar, Baz:5"
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while (parser.ReadWord(moduleName)) {
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// Next should be :<level>, default to Error if not provided.
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LogLevel logLevel = LogLevel::Error;
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int32_t levelValue = 0;
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if (parser.CheckChar(':')) {
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// Check if a negative value is provided.
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int32_t multiplier = 1;
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if (parser.CheckChar([](const char aChar) { return aChar == '-'; })) {
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multiplier = -1;
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}
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// NB: If a level isn't provided after the ':' we assume the default
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// Error level is desired. This differs from NSPR which will stop
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// processing the log module string in this case.
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if (parser.ReadInteger(&levelValue)) {
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logLevel = ToLogLevel(levelValue * multiplier);
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}
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}
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aCallback(moduleName.get(), logLevel, levelValue);
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// Skip ahead to the next token.
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parser.SkipWhites();
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}
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}
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} // namespace mozilla
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