kopia lustrzana https://github.com/gopro/gpr
127 wiersze
3.3 KiB
C++
Executable File
127 wiersze
3.3 KiB
C++
Executable File
/*! @file argument_parser.cpp
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*
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* @brief Implement class to handle argument parsing
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*
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* (C) Copyright 2018 GoPro Inc (http://gopro.com/).
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*
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* Licensed under either:
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* - Apache License, Version 2.0, http://www.apache.org/licenses/LICENSE-2.0
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* - MIT license, http://opensource.org/licenses/MIT
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* at your option.
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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 "argument_parser.h"
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#include <stdio.h>
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using namespace std;
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#ifdef __GNUC__
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#define COMPILER "[GCC %d.%d.%d]", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__
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#elif __INTEL_COMPILER
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#define COMPILER "[ICC %d]", __INTEL_COMPILER
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#elif _MSC_VER
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#define COMPILER "[VS %d]", _MSC_VER
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#else
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#define COMPILER "[Unknown-CXX]"
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#endif
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#ifdef _WIN32
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#define OPERATING_SYSTEM "[Windows]"
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#elif __linux
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#define OPERATING_SYSTEM "[Linux]"
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#elif __CYGWIN__
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#define OPERATING_SYSTEM "[Cygwin]"
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#elif __APPLE__
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#define OPERATING_SYSTEM "[Mac OS X]"
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#else
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#define OPERATING_SYSTEM "[Unknown-OS]"
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#endif
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#define NUMBER_OF_BITS "[%d bit] ", (sizeof(void*) == 8 ? 64 : 32) ///< used for checking 64-bit O/S
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argument_parser::argument_parser(bool verbose)
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{
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}
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void argument_parser::set_options()
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{
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}
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int argument_parser::parse(int argc, char *argv [], const char* application_text, const char* prefix_text)
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{
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application_path = argv[0];
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argument_count = argc;
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for (int i = 0; i < argc; i++)
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arguments[i] = argv[i];
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set_options();
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program_options_lite::setDefaults(command_options);
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const list<const char*>& argv_unhandled = program_options_lite::scanArgv(command_options, argument_count, (const char**) arguments);
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for (list<const char*>::const_iterator it = argv_unhandled.begin(); it != argv_unhandled.end(); it++)
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{
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fprintf(stderr, "Unhandled argument ignored: `%s'\n", *it);
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}
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bool show_help = get_argument_count() == 1 || get_help();
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if( get_verbose() || show_help )
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{
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if( application_text )
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{
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fprintf( stderr, "%s", application_text );
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fprintf( stderr, OPERATING_SYSTEM );
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fprintf( stderr, COMPILER );
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fprintf( stderr, NUMBER_OF_BITS );
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fprintf( stderr, "\n" );
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}
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printf("Executable: %s \n", get_application_path() );
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printf("Arguments: ");
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for (int i = 1; i < get_argument_count(); i++)
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{
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printf("%s ", get_argument(i));
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}
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printf("\n");
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}
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if ( show_help )
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{
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print_help();
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return -1;
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}
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if( application_text )
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{
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if( prefix_text )
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fprintf( stderr, "%s %s", prefix_text, application_text );
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else
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fprintf( stderr, "%s", application_text );
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fprintf( stderr, OPERATING_SYSTEM );
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fprintf( stderr, COMPILER );
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fprintf( stderr, NUMBER_OF_BITS );
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fprintf( stderr, "\n" );
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}
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return 0;
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}
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void argument_parser::print_help()
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{
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doHelp(cout, command_options);
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}
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