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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/name_value_pairs_parser.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/process_util.h"
#include "base/string_tokenizer.h"
#include "base/string_util.h"
#include "base/threading/thread_restrictions.h"
namespace chromeos { // NOLINT
namespace {
const char kQuoteChars[] = "\"";
} // namespace
NameValuePairsParser::NameValuePairsParser(NameValueMap* map)
: map_(map) {
}
void NameValuePairsParser::AddNameValuePair(const std::string& key,
const std::string& value) {
(*map_)[key] = value;
VLOG(1) << "name: " << key << ", value: " << value;
}
bool NameValuePairsParser::ParseNameValuePairs(const std::string& in_string,
const std::string& eq,
const std::string& delim) {
// Set up the pair tokenizer.
StringTokenizer pair_toks(in_string, delim);
pair_toks.set_quote_chars(kQuoteChars);
// Process token pairs.
while (pair_toks.GetNext()) {
std::string pair(pair_toks.token());
if (pair.find(eq) == 0) {
LOG(WARNING) << "Empty key: '" << pair << "'. Aborting.";
return false;
}
StringTokenizer keyvalue(pair, eq);
std::string key,value;
if (keyvalue.GetNext()) {
TrimString(keyvalue.token(), kQuoteChars, &key);
if (keyvalue.GetNext()) {
TrimString(keyvalue.token(), kQuoteChars, &value);
if (keyvalue.GetNext()) {
LOG(WARNING) << "Multiple key tokens: '" << pair << "'. Aborting.";
return false;
}
}
}
if (key.empty()) {
LOG(WARNING) << "Invalid token pair: '" << pair << "'. Aborting.";
return false;
}
AddNameValuePair(key, value);
}
return true;
}
bool NameValuePairsParser::GetSingleValueFromTool(int argc,
const char* argv[],
const std::string& key) {
CommandLine command_line(argc, argv);
std::string output_string;
// TODO(stevenjb,satorux): Make this non blocking: crosbug.com/5603.
base::ThreadRestrictions::ScopedAllowIO allow_io_for_thread_join;
if (argc < 1 || !base::GetAppOutput(command_line, &output_string)) {
LOG(WARNING) << "Error excuting: " << command_line.command_line_string();
return false;
}
TrimWhitespaceASCII(output_string, TRIM_ALL, &output_string);
AddNameValuePair(key, output_string);
return true;
}
bool NameValuePairsParser::ParseNameValuePairsFromTool(
int argc,
const char* argv[],
const std::string& eq,
const std::string& delim) {
CommandLine command_line(argc, argv);
std::string output_string;
// TODO(stevenjb,satorux): Make this non blocking: crosbug.com/5603.
base::ThreadRestrictions::ScopedAllowIO allow_io_for_thread_join;
if (argc < 1 || !base::GetAppOutput(command_line, &output_string)) {
LOG(WARNING) << "Error excuting: " << command_line.command_line_string();
return false;
}
if (!ParseNameValuePairs(output_string, eq, delim)) {
LOG(WARNING) << "Error parsing values while excuting: "
<< command_line.command_line_string();
return false;
}
return true;
}
} // namespace chromeos
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