99 lines
3.7 KiB
C++
99 lines
3.7 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "utils/arguments_parser.h"
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#include <unordered_set>
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namespace latinime {
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namespace dicttoolkit {
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const int ArgumentSpec::UNLIMITED_COUNT = -1;
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bool ArgumentsParser::validateSpecs() const {
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std::unordered_set<std::string> argumentNameSet;
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for (size_t i = 0; i < mArgumentSpecs.size() ; ++i) {
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if (mArgumentSpecs[i].getMinCount() == 0 && mArgumentSpecs[i].getMaxCount() == 0) {
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AKLOGE("minCount = maxCount = 0 for %s.", mArgumentSpecs[i].getName().c_str());
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return false;
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}
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if (mArgumentSpecs[i].getMinCount() != mArgumentSpecs[i].getMaxCount()
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&& i != mArgumentSpecs.size() - 1) {
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AKLOGE("Variable length argument must be at the end.",
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mArgumentSpecs[i].getName().c_str()v );
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return false;
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}
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if (argumentNameSet.count(mArgumentSpecs[i].getName()) > 0) {
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AKLOGE("Multiple arguments have the same name \"%s\".",
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mArgumentSpecs[i].getName().c_str());
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return false;
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}
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argumentNameSet.insert(mArgumentSpecs[i].getName());
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}
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return true;
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}
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void ArgumentsParser::printUsage(const std::string &commandName,
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const std::string &description) const {
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printf("Usage: %s", commandName.c_str());
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for (const auto &option : mOptionSpecs) {
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const std::string &optionName = option.first;
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const OptionSpec &spec = option.second;
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printf(" [-%s", optionName.c_str());
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if (spec.takeValue()) {
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printf(" <%s>", spec.getValueName().c_str());
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}
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printf("]");
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}
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for (const auto &argSpec : mArgumentSpecs) {
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if (argSpec.getMinCount() == 0 && argSpec.getMaxCount() == 1) {
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printf(" [<%s>]", argSpec.getName().c_str());
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} else if (argSpec.getMinCount() == 1 && argSpec.getMaxCount() == 1) {
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printf(" <%s>", argSpec.getName().c_str());
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} else if (argSpec.getMinCount() == 0) {
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printf(" [<%s>...]", argSpec.getName().c_str());
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} else if (argSpec.getMinCount() == 1) {
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printf(" <%s>...", argSpec.getName().c_str());
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}
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}
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printf("\n%s\n\n", description.c_str());
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for (const auto &option : mOptionSpecs) {
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const std::string &optionName = option.first;
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const OptionSpec &spec = option.second;
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printf(" -%s", optionName.c_str());
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if (spec.takeValue()) {
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printf(" <%s>", spec.getValueName().c_str());
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}
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printf("\t\t\t%s", spec.getDescription().c_str());
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if (spec.takeValue() && !spec.getDefaultValue().empty()) {
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printf("\tdefault: %s", spec.getDefaultValue().c_str());
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}
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printf("\n");
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}
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for (const auto &argSpec : mArgumentSpecs) {
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printf(" <%s>\t\t\t%s\n", argSpec.getName().c_str(), argSpec.getDescription().c_str());
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}
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printf("\n\n");
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}
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const ArgumentsAndOptions ArgumentsParser::parseArguments(const int argc, char **argv) const {
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// TODO: Implement
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return ArgumentsAndOptions();
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}
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} // namespace dicttoolkit
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} // namespace latinime
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