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67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 NSPRLogModulesParser(
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const char* aLogModules,
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const std::function<void(const char*, LogLevel, int32_t)>& aCallback) {
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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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Tokenizer::Token rustModSep =
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parser.AddCustomToken("::", Tokenizer::CASE_SENSITIVE);
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auto readModuleName = [&](nsAutoCString& moduleName) -> bool {
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moduleName.Truncate();
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nsDependentCSubstring sub;
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parser.Record();
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// If the name doesn't include at least one word, we've reached the end.
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if (!parser.ReadWord(sub)) {
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return false;
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}
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// We will exit this loop if when any of the condition fails
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while (parser.Check(rustModSep) && parser.ReadWord(sub)) {
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}
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// Claim will include characters of the last sucessfully read item
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parser.Claim(moduleName, Tokenizer::INCLUDE_LAST);
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return true;
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};
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// Format: LOG_MODULES="Foo:2,Bar, Baz:5,rust_crate::mod::file:5"
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while (readModuleName(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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// 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.ReadSignedInteger(&levelValue)) {
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logLevel = ToLogLevel(levelValue);
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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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