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