diff options
Diffstat (limited to 'thirdparty/bullet/src/Bullet3Common/b3CommandLineArgs.h')
-rw-r--r-- | thirdparty/bullet/src/Bullet3Common/b3CommandLineArgs.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/thirdparty/bullet/src/Bullet3Common/b3CommandLineArgs.h b/thirdparty/bullet/src/Bullet3Common/b3CommandLineArgs.h new file mode 100644 index 0000000000..38df8e2600 --- /dev/null +++ b/thirdparty/bullet/src/Bullet3Common/b3CommandLineArgs.h @@ -0,0 +1,101 @@ +#ifndef COMMAND_LINE_ARGS_H +#define COMMAND_LINE_ARGS_H + +/****************************************************************************** + * Command-line parsing + ******************************************************************************/ +#include <map> +#include <algorithm> +#include <string> +#include <cstring> +#include <sstream> +class b3CommandLineArgs +{ +protected: + + std::map<std::string, std::string> pairs; + +public: + + // Constructor + b3CommandLineArgs(int argc, char **argv) + { + addArgs(argc,argv); + } + + void addArgs(int argc, char**argv) + { + for (int i = 1; i < argc; i++) + { + std::string arg = argv[i]; + + if ((arg.length() < 2) || (arg[0] != '-') || (arg[1] != '-')) { + continue; + } + + std::string::size_type pos; + std::string key, val; + if ((pos = arg.find( '=')) == std::string::npos) { + key = std::string(arg, 2, arg.length() - 2); + val = ""; + } else { + key = std::string(arg, 2, pos - 2); + val = std::string(arg, pos + 1, arg.length() - 1); + } + + //only add new keys, don't replace existing + if(pairs.find(key) == pairs.end()) + { + pairs[key] = val; + } + } + } + + bool CheckCmdLineFlag(const char* arg_name) + { + std::map<std::string, std::string>::iterator itr; + if ((itr = pairs.find(arg_name)) != pairs.end()) { + return true; + } + return false; + } + + template <typename T> + bool GetCmdLineArgument(const char *arg_name, T &val); + + int ParsedArgc() + { + return pairs.size(); + } +}; + +template <typename T> +inline bool b3CommandLineArgs::GetCmdLineArgument(const char *arg_name, T &val) +{ + std::map<std::string, std::string>::iterator itr; + if ((itr = pairs.find(arg_name)) != pairs.end()) { + std::istringstream strstream(itr->second); + strstream >> val; + return true; + } + return false; +} + +template <> +inline bool b3CommandLineArgs::GetCmdLineArgument<char*>(const char* arg_name, char* &val) +{ + std::map<std::string, std::string>::iterator itr; + if ((itr = pairs.find(arg_name)) != pairs.end()) { + + std::string s = itr->second; + val = (char*) malloc(sizeof(char) * (s.length() + 1)); + std::strcpy(val, s.c_str()); + return true; + } else { + val = NULL; + } + return false; +} + + +#endif //COMMAND_LINE_ARGS_H |