diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 149 |
1 files changed, 82 insertions, 67 deletions
diff --git a/src/main.cpp b/src/main.cpp index 55f956e..cfefed8 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,11 +1,30 @@ +/*
+ * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Author "Loïc Collignon" <loic.collignon@iot.bzh>
+ * Author "Romain Forlot" <romain.forlot@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <libgen.h>
#include <exception>
#include <fstream>
#include <iostream>
#include <string>
#include <numeric>
#include <iterator>
-#include <boost/program_options.hpp>
-#include <boost/filesystem.hpp>
#include <json.hpp>
#include "openxc/message_set.hpp"
@@ -286,98 +305,94 @@ nlohmann::json read_json(const std::string& file) throw std::runtime_error(ss.str());
}
+// function that show the help information
+void showhelpinfo(char *s)
+{
+std::cout<<"Usage: "<<s<<" <-m inpout.json> [-o configuration-generated.cpp]"<< std::endl;
+std::cout<<"option: "<<"-m input.json : JSON file describing CAN messages and signals"<< std::endl;
+std::cout<<" "<<"-h header.cpp : header source file insert at the beginning of generated file"<< std::endl;
+std::cout<<" "<<"-f footer.cpp : footer source file append to generated file."<< std::endl;
+std::cout<<" "<<"-o configuration-generated.cpp : output source file. Name has to be configuration-generated.cpp"<< std::endl;
+}
+
/// @brief Entry point.
/// @param[in] argc Argument's count.
/// @param[in] argv Argument's array.
/// @return Exit code, zero if success.
-int main(int argc, char** argv)
+int main(int argc, char *argv[])
{
- //std::ios::sync_with_stdio(false);
-
try
{
- std::string appName = boost::filesystem::basename(argv[0]);
+ std::string appName = argv[0];
std::string message_set_file;
std::string output_file;
std::string header_file;
std::string footer_file;
- namespace bpo = boost::program_options;
- bpo::options_description desc("Options");
- desc.add_options()
- ("help,h", "Display this help.")
- ("message-set,m", bpo::value<std::string>(&message_set_file)->required(), "The message set definition file.")
- ("output,o", bpo::value<std::string>(&output_file), "An output file, if not specified stdout is used.")
- ("header,h", bpo::value<std::string>(&header_file), "A file to copy at the top of the generated output.")
- ("footer,f", bpo::value<std::string>(&footer_file), "A file to copy at the end of the generated output.");
-
- bpo::variables_map vm;
- try
+ char tmp;
+ /*if the program is ran witout options ,it will show the usgage and exit*/
+ if(argc == 1)
{
- bpo::store(bpo::parse_command_line(argc, argv, desc), vm);
-
- if (vm.count("help"))
+ showhelpinfo(argv[0]);
+ exit(1);
+ }
+ /*use function getopt to get the arguments with option."hu:p:s:v" indicate
+ that option h,v are the options without arguments while u,p,s are the
+ options with arguments*/
+ while((tmp=getopt(argc,argv,"m:h:f:o:"))!=-1)
+ {
+ switch(tmp)
{
- std::cout << desc << std::endl;
- return EXIT_SUCCESS;
+ case 'h':
+ header_file = optarg;
+ break;
+ case 'f':
+ footer_file = optarg;
+ break;
+ case 'm':
+ message_set_file = optarg;
+ break;
+ case 'o':
+ output_file = optarg;
+ break;
+ default:
+ showhelpinfo(argv[0]);
+ break;
}
+ }
- bpo::notify(vm);
-
- std::stringstream header;
- header << read_file(header_file);
-
- std::string footer = read_file(footer_file);
- openxc::message_set message_set;
- message_set.from_json(read_json(message_set_file));
-
- boost::filesystem::path message_set_path(message_set_file);
- message_set_path.remove_filename();
- for(const auto& s : message_set.extra_sources())
- {
- boost::filesystem::path extra_source(s);
- if (!extra_source.is_complete()) extra_source = message_set_path / extra_source;
- header << "\n// >>>>> " << s << " >>>>>\n" << read_file(extra_source.string()) << "\n// <<<<< " << s << " <<<<<\n";
- }
+ std::stringstream header;
+ header << read_file(header_file);
- std::ofstream out;
- if (output_file.size())
- {
- out.open(output_file);
- if(!out)
- {
- std::stringstream ss;
- ss << "Can't open the ouput file (" << output_file << ") for writing!";
- throw std::runtime_error(ss.str());
- }
- }
-
- generate(header.str(), footer, message_set, output_file.size() ? out : std::cout);
+ std::string footer = read_file(footer_file);
+ openxc::message_set message_set;
+ message_set.from_json(read_json(message_set_file));
- }
- catch (bpo::required_option& e)
+ std::string message_set_path = dirname(strdup(message_set_file.c_str()));
+ for(const auto& s : message_set.extra_sources())
{
- std::cerr << "ERROR: Argument required - " << e.what() << std::endl;
- std::cout << desc << std::endl;
- return EXIT_COMMAND_LINE_ERROR;
+ std::string extra_source = s;
+ extra_source = message_set_path + "/" + extra_source;
+ header << "\n// >>>>> " << s << " >>>>>\n" << read_file(extra_source) << "\n// <<<<< " << s << " <<<<<\n";
}
- catch (bpo::error& e)
- {
- std::cerr << "ERROR: Command line error - " << e.what() << std::endl;
- std::cout << desc << std::endl;
- return EXIT_COMMAND_LINE_ERROR;
- }
- catch(std::exception& e)
+
+ std::ofstream out;
+ if (output_file.size())
{
- std::cerr << "ERROR: " << e.what() << std::endl;
- return EXIT_PROGRAM_ERROR;
+ out.open(output_file);
+ if(!out)
+ {
+ std::stringstream ss;
+ ss << "Can't open the ouput file (" << output_file << ") for writing!";
+ throw std::runtime_error(ss.str());
+ }
}
+ generate(header.str(), footer, message_set, output_file.size() ? out : std::cout);
}
catch (std::exception& e)
{
std::cerr << "ERROR: Unhandled exception - " << e.what() << std::endl;
return EXIT_UNKNOWN_ERROR;
}
-
return EXIT_SUCCESS;
}
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