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ArgParseStandalone.h
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ArgParseStandalone.h
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// Copyright 2014-2018 Matthew Krafczyk
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// This file was created from individual ArgParse source objects
#ifndef ARGPARSE_STANDALONE_HDR
#define ARGPARSE_STANDALONE_HDR
#ifndef ARGPARSE_ArgParse_HDR
#define ARGPARSE_ArgParse_HDR
#ifdef ARGPARSE_VERSION
#error "Please only include one version of ArgParse."
#endif
#define ARGPARSE_VERSION 0.8.2
#ifndef ARGPARSE_Message_HDR
#define ARGPARSE_Message_HDR
#include <string>
#include <cstring>
namespace ArgParse {
const char* basename(const char* filename);
}
namespace ArgParse {
int _vscprintf (const char* format, va_list pargs);
const std::string& GetMessage();
extern int DebugLevel;
extern bool Color;
void SetMessage(const std::string& message);
void SetMessage(const char* format, ...);
void SetSTDOUTChannel(FILE* stdout_channel);
void SetSTDERRChannel(FILE* stderr_channel);
void MessageStandardPrint(const char* format, ...);
void MessageErrorPrint(const char* format, ...);
}
#define ARGPARSE_TNRM "\x1B[0m"
#define ARGPARSE_TRED "\x1B[31m"
#define ARGPARSE_TGRN "\x1B[32m"
#define ARGPARSE_TYEL "\x1B[33m"
#define ARGPARSE_TBLU "\x1B[34m"
#define ARGPARSE_TMAG "\x1B[35m"
#define ARGPARSE_TCYN "\x1B[36m"
#define ARGPARSE_TWHT "\x1B[37m"
#define ARGPARSE_TMSG ARGPARSE_TGRN
#define ARGPARSE_TERR ARGPARSE_TRED
#define ARGPARSE_TWRN ARGPARSE_TYEL
#define ARGPARSE_TDBG ARGPARSE_TBLU
#define ArgParseMessagePrint(format, ...) ArgParse::MessageStandardPrint(format, ##__VA_ARGS__)
#define ArgParseMessageWarning(format, ...) if(ArgParse::Color) { ArgParse::MessageStandardPrint("%s%s-W (%s:%i):%s " format, ARGPARSE_TWRN, __PRETTY_FUNCTION__, ArgParse::basename(__FILE__), __LINE__, ARGPARSE_TNRM, ##__VA_ARGS__); } else { ArgParse::MessageStandardPrint("%s-W (%s:%i): " format, __PRETTY_FUNCTION__, ArgParse::basename(__FILE__), __LINE__, ##__VA_ARGS__); }
#define ArgParseMessageDebug(format, ...) if(ArgParse::Color) { ArgParse::MessageStandardPrint("%s%s-D (%s:%i):%s " format, ARGPARSE_TDBG, __PRETTY_FUNCTION__, ArgParse::basename(__FILE__), __LINE__, ARGPARSE_TNRM, ##__VA_ARGS__); } else { ArgParse::MessageStandardPrint("%s-D (%s:%i): " format, __PRETTY_FUNCTION__, ArgParse::basename(__FILE__), __LINE__, ##__VA_ARGS__); }
#define ArgParseMessageError(format, ...) if(ArgParse::Color) { ArgParse::MessageErrorPrint("%s%s-E (%s:%i):%s " format, ARGPARSE_TERR, __PRETTY_FUNCTION__, ArgParse::basename(__FILE__), __LINE__, ARGPARSE_TNRM, ##__VA_ARGS__); } else { ArgParse::MessageErrorPrint("%s-E (%s:%i): " format, __PRETTY_FUNCTION__, ArgParse::basename(__FILE__), __LINE__, ##__VA_ARGS__); }
#endif
#ifndef ARGPARSE_Argument_HDR
#define ARGPARSE_Argument_HDR
#include <vector>
#include <string>
#ifndef ARGPARSE_ArgObject_HDR
#define ARGPARSE_ArgObject_HDR
#include <string>
namespace ArgParse {
class ArgObject {
public:
//Accept management
typedef int Accept_t;
static const Accept_t No;
static const Accept_t WithSingleArg;
static const Accept_t WithMultipleArg;
static const Accept_t WithoutArg;
static const Accept_t GroupName;
static const char* TranslateAccept(const Accept_t i);
//Pass management
typedef int Pass_t;
static const Pass_t NotAccepted;
static const Pass_t Accepted;
static const Pass_t Error;
static const char* TranslatePass(const Pass_t i);
//Mode management
typedef int Mode_t;
static const Mode_t Single;
static const Mode_t Multiple;
static const Mode_t None;
static const char* TranslateMode(const Mode_t i);
//Required management
typedef bool Req_t;
static const Req_t Required;
static const Req_t Optional;
static const char* TranslateReq(const Req_t i);
//Ready types
typedef int State_t;
static const State_t NotReady;
static const State_t Defined;
static const State_t NotDefined;
static const State_t Ready;
static const char* TranslateState(const State_t i);
ArgObject(const std::string& help_text, const bool required) {
this->help_text = help_text;
this->required = required;
}
virtual ~ArgObject();
virtual bool IsConfigured() const __attribute__((warn_unused_result)) {
return true;
}
virtual Accept_t AcceptsArgument(const std::string& arg __attribute__((unused))) const __attribute__((warn_unused_result)) {
return ArgObject::No;
}
virtual Pass_t PassArgument(const std::string& arg __attribute__((unused)), const std::string& opt __attribute__((unused)), const bool with_opt __attribute__((unused))) __attribute__((warn_unused_result)) {
return ArgObject::NotAccepted;
}
virtual size_t AmountOfData() const {
return 0;
}
virtual int State(bool quiet __attribute__((unused)) = false) const __attribute__((warn_unused_result)) {
return ArgObject::NotReady;
}
virtual std::string GetHelpText() const {
return "Empty ArgObject";
}
virtual Mode_t GetMode() const {
return None;
}
bool GetRequired() const {
return required;
}
const std::string& GetHelp() const {
return help_text;
}
private:
bool required;
std::string help_text;
};
}
#endif
namespace ArgParse {
class Argument : public ArgObject {
public:
Argument(const std::string& call_name, const std::string& help_text, const Req_t required, bool* was_defined = nullptr);
virtual ~Argument();
static std::vector<std::string> GetCallNames(const std::string& combined_names);
std::string GetName(size_t i=0) const;
size_t GetNum() {
return call_names.size();
}
//ArgObject functions
ArgObject::State_t State(bool quiet = false) const __attribute__((warn_unused_result));
virtual std::string GetHelpText() const;
void PrepareHelpText(std::stringstream& ss) const;
virtual void AppendType(std::stringstream& ss) const;
std::string GetHelpTextWithMessage(const std::string& message) const;
protected:
bool DoesAnArgumentMatch(size_t& position, const std::string& arg) const __attribute__((warn_unused_result));
bool WasDefined() const {
return *defined;
}
void SetDefined(bool status) {
*defined = status;
}
private:
Req_t IsRequired() const {
return GetRequired();
}
std::vector<std::string> call_names;
bool* defined;
bool responsible_for_defined;
};
}
#endif
#ifndef ARGPARSE_ArgGroup_HDR
#define ARGPARSE_ArgGroup_HDR
#ifndef ARGPARSE_ArgObjContainer_HDR
#define ARGPARSE_ArgObjContainer_HDR
#ifndef ARGPARSE_ArgScalar_HDR
#define ARGPARSE_ArgScalar_HDR
#include <sstream>
namespace ArgParse {
template<class T>
class ArgScalar : public Argument {
public:
ArgScalar(const std::string& call_name, const std::string& help_text, T* value, const Req_t required, bool* was_defined = nullptr);
~ArgScalar() {}
virtual int SetValue(const std::string& optarg) __attribute__((warn_unused_result));
virtual ArgObject::Accept_t AcceptsArgument(const std::string& arg __attribute__((unused))) const __attribute__((warn_unused_result));
virtual int PassArgument(const std::string& arg, const std::string& opt, const bool with_opt) __attribute__((warn_unused_result));
virtual size_t AmountOfData() const;
virtual std::string GetHelpText() const;
virtual void AppendType(std::stringstream& ss) const {
ss << "Scalar : ";
}
virtual ArgObject::Mode_t GetMode() const {
return ArgObject::Single;
}
private:
T* value;
};
template<class T>
ArgScalar<T>::ArgScalar(const std::string& call_name, const std::string& help_text, T* value, const Req_t required, bool* was_defined) : Argument(call_name, help_text, required, was_defined) {
this->value = value;
}
template<class T>
int ArgScalar<T>::SetValue(const std::string& optarg) {
std::stringstream ss(optarg);
if(!(ss >> *value)) {
ArgParseMessageError("There was an error reading values from the string stream.\n");
return -1;
}
if(ss.eof()) {
SetDefined(true);
return 0;
} else {
ArgParseMessageError("String stream has some sort of error.\n");
return -2;
}
}
template<class T>
ArgObject::Accept_t ArgScalar<T>::AcceptsArgument(const std::string& arg) const {
if(DebugLevel > 1) {
MessageStandardPrint("Testing the argument (%s)\n", arg.c_str());
}
size_t pos;
bool result = DoesAnArgumentMatch(pos, arg);
if(!result) {
return ArgObject::No;
}
return ArgObject::WithSingleArg;
}
template<class T>
int ArgScalar<T>::PassArgument(const std::string& arg, const std::string& opt, const bool with_opt) {
size_t pos;
bool result = DoesAnArgumentMatch(pos, arg);
if(!result) {
return ArgObject::NotAccepted;
}
if(!with_opt) {
ArgParseMessageError("A non-boolean argument must have a value!\n");
SetMessage("A non-boolean argument must have a value!\n");
return ArgObject::Error;
}
if(SetValue(opt) < 0) {
ArgParseMessageError("There was a problem setting the value of the option! Arg(%s) Opt(%s)\n", arg.c_str(), opt.c_str());
return ArgObject::Error;
}
SetDefined(true);
return ArgObject::Accepted;
}
template<class T>
size_t ArgScalar<T>::AmountOfData() const {
if(!WasDefined()) {
return 0;
}
return 1;
}
template<class T>
std::string ArgScalar<T>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a generic type : ");
}
template<>
int ArgScalar<bool>::SetValue(const std::string& optarg);
template<>
ArgObject::Accept_t ArgScalar<bool>::AcceptsArgument(const std::string& arg) const;
template<>
int ArgScalar<bool>::PassArgument(const std::string& arg, const std::string& opt, const bool with_opt);
template<>
std::string ArgScalar<bool>::GetHelpText() const;
template<>
std::string ArgScalar<std::string>::GetHelpText() const;
template<>
std::string ArgScalar<char>::GetHelpText() const;
template<>
std::string ArgScalar<unsigned char>::GetHelpText() const;
template<>
std::string ArgScalar<short>::GetHelpText() const;
template<>
std::string ArgScalar<unsigned short>::GetHelpText() const;
template<>
std::string ArgScalar<int>::GetHelpText() const;
template<>
std::string ArgScalar<unsigned int>::GetHelpText() const;
template<>
std::string ArgScalar<long>::GetHelpText() const;
template<>
std::string ArgScalar<unsigned long>::GetHelpText() const;
template<>
std::string ArgScalar<long long>::GetHelpText() const;
template<>
std::string ArgScalar<unsigned long long>::GetHelpText() const;
template<>
std::string ArgScalar<float>::GetHelpText() const;
template<>
std::string ArgScalar<double>::GetHelpText() const;
template<>
std::string ArgScalar<long double>::GetHelpText() const;
}
#endif
#ifndef ARGPARSE_ArgVector_HDR
#define ARGPARSE_ArgVector_HDR
#include <sstream>
namespace ArgParse {
template<class T>
class ArgVector : public Argument {
public:
ArgVector(const std::string& call_name, const std::string& help_text, std::vector<T>* value, const Req_t required, bool* was_defined = nullptr);
~ArgVector() {}
virtual int SetValue(const std::string& optarg) __attribute__((warn_unused_result));
virtual ArgObject::Accept_t AcceptsArgument(const std::string& arg __attribute__((unused))) const __attribute__((warn_unused_result));
virtual int PassArgument(const std::string& arg, const std::string& opt, const bool with_opt) __attribute__((warn_unused_result));
virtual size_t AmountOfData() const;
virtual std::string GetHelpText() const;
virtual void AppendType(std::stringstream& ss) const {
ss << "Vector : ";
}
virtual ArgObject::Mode_t GetMode() const {
return ArgObject::Multiple;
}
private:
std::vector<T>* value;
};
template<class T>
ArgVector<T>::ArgVector(const std::string& call_name, const std::string& help_text, std::vector<T>* value, const Req_t required, bool* was_defined) : Argument(call_name, help_text, required, was_defined) {
this->value = value;
}
template<class T>
int ArgVector<T>::SetValue(const std::string& optarg) {
std::stringstream ss(optarg);
T temp_val;
if(!(ss >> temp_val)) {
ArgParseMessageError("There was an error reading values from the string stream.\n");
return -1;
}
if(ss.eof()) {
SetDefined(true);
this->value->push_back(temp_val);
return 0;
} else {
ArgParseMessageError("String stream has some sort of error.\n");
return -2;
}
}
template<class T>
ArgObject::Accept_t ArgVector<T>::AcceptsArgument(const std::string& arg) const {
if(DebugLevel > 1) {
MessageStandardPrint("Testing the argument (%s)\n", arg.c_str());
}
size_t pos;
bool result = DoesAnArgumentMatch(pos, arg);
if(!result) {
return ArgObject::No;
}
return ArgObject::WithMultipleArg;
}
template<class T>
int ArgVector<T>::PassArgument(const std::string& arg, const std::string& opt, const bool with_opt) {
size_t pos;
bool result = DoesAnArgumentMatch(pos, arg);
if(!result) {
return ArgObject::NotAccepted;
}
if(!with_opt) {
ArgParseMessageError("A non-boolean argument must have a value!\n");
SetMessage("A non-boolean argument must have a value!\n");
return ArgObject::Error;
}
if(SetValue(opt) < 0) {
ArgParseMessageError("There was a problem setting the value of the option! Arg(%s) Opt(%s)\n", arg.c_str(), opt.c_str());
return ArgObject::Error;
}
return ArgObject::Accepted;
}
template<class T>
size_t ArgVector<T>::AmountOfData() const {
if(!WasDefined()) {
return 0;
}
return this->value->size();
}
template<class T>
std::string ArgVector<T>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a generic type : ");
}
template<>
int ArgVector<bool>::SetValue(const std::string& optarg);
template<>
ArgObject::Accept_t ArgVector<bool>::AcceptsArgument(const std::string& arg) const;
template<>
int ArgVector<bool>::PassArgument(const std::string& arg, const std::string& opt, const bool with_opt);
template<>
std::string ArgVector<bool>::GetHelpText() const;
template<>
std::string ArgVector<std::string>::GetHelpText() const;
template<>
std::string ArgVector<char>::GetHelpText() const;
template<>
std::string ArgVector<unsigned char>::GetHelpText() const;
template<>
std::string ArgVector<short>::GetHelpText() const;
template<>
std::string ArgVector<unsigned short>::GetHelpText() const;
template<>
std::string ArgVector<int>::GetHelpText() const;
template<>
std::string ArgVector<unsigned int>::GetHelpText() const;
template<>
std::string ArgVector<long>::GetHelpText() const;
template<>
std::string ArgVector<unsigned long>::GetHelpText() const;
template<>
std::string ArgVector<long long>::GetHelpText() const;
template<>
std::string ArgVector<unsigned long long>::GetHelpText() const;
template<>
std::string ArgVector<float>::GetHelpText() const;
template<>
std::string ArgVector<double>::GetHelpText() const;
template<>
std::string ArgVector<long double>::GetHelpText() const;
}
#endif
namespace ArgParse {
//Need to forward declare this..
class ArgGroup;
class ArgObjContainer {
public:
ArgObjContainer(ArgObjContainer* parent = nullptr) {
this->parent = parent;
}
virtual ~ArgObjContainer();
template<class T>
void AddArgument(const std::string& call_name, const std::string& help_text, T* argument, const ArgObject::Req_t required = ArgObject::Optional, bool* was_defined = nullptr) {
Argument* the_argument = (Argument*) new ArgScalar<T>(call_name, help_text, argument, required, was_defined);
AddArgument(the_argument);
}
template<class T>
void AddArgument(const std::string& call_name, const std::string& help_text, std::vector<T>* argument, const ArgObject::Req_t required = ArgObject::Optional, bool* was_defined = nullptr) {
Argument* the_argument = (Argument*) new ArgVector<T>(call_name, help_text, argument, required, was_defined);
AddArgument(the_argument);
}
ArgGroup* AddArgGroup(const std::string& title, const std::string& help_text, const ArgObject::Mode_t mode = ArgObject::None, const ArgObject::Req_t required = ArgObject::Optional);
ArgGroup* AddInclusiveArgGroup(const std::string& title, const std::string& help_text, const ArgObject::Mode_t mode = ArgObject::None, const ArgObject::Req_t required = ArgObject::Optional);
ArgGroup* AddExclusiveArgGroup(const std::string& title, const std::string& help_text, const ArgObject::Mode_t mode = ArgObject::None, const ArgObject::Req_t required = ArgObject::Optional);
private:
void CheckName(const std::string& call_name, ArgObjContainer* parent);
void AddArgument(Argument* argument);
void AddArgGroupObject(ArgGroup* arggroup);
void AddArgObject(ArgObject* object);
protected:
ArgObjContainer* parent;
std::vector<ArgObject*> objects;
};
}
#endif
namespace ArgParse {
class ArgGroup : public ArgObject , public ArgObjContainer {
public:
ArgGroup(const std::string& title, const std::string& help_text, const ArgObject::Mode_t mode = ArgObject::None, const ArgObject::Req_t required = ArgObject::Optional, ArgObjContainer* parent = nullptr) : ArgObject(help_text, required) , ArgObjContainer(parent) {
this->mode = mode;
this->title = title;
}
~ArgGroup() {
}
virtual bool IsConfigured() const __attribute__((warn_unused_result));
virtual size_t AmountOfData() const;
virtual ArgObject::Accept_t AcceptsArgument(const std::string& arg) const __attribute__((warn_unused_result));
virtual ArgObject::Pass_t PassArgument(const std::string& arg, const std::string& opt, const bool with_opt) __attribute__((warn_unused_result));
virtual ArgObject::State_t State(bool quiet = false) const __attribute__((warn_unused_result));
virtual std::string GetHelpText() const;
virtual bool CheckSubObjects() const __attribute__((warn_unused_result));
virtual bool CheckDataConsistency() const __attribute__((warn_unused_result));
std::string GetGroupHelpText(const std::string& name) const;
const std::string& GetTitle() const {
return this->title;
}
virtual ArgObject::Mode_t GetMode() const {
return this->mode;
}
private:
ArgObject::Mode_t mode;
std::string title;
};
}
#endif
#ifndef ARGPARSE_ArgParser_HDR
#define ARGPARSE_ArgParser_HDR
#include <vector>
#include <string>
namespace ArgParse {
class ArgParser : public ArgObjContainer {
public:
ArgParser(const std::string& help_intro);
~ArgParser();
void PrintHelp();
bool HelpPrinted() const {
return help_printed;
}
int ParseArgs(int& argc, char**& argv) __attribute__((warn_unused_result));
std::string ArgsToString(int& argc, char**& argv);
static int EatArgument(int& argc, char**& argv, const int i = 1) __attribute__((warn_unused_result));
static bool SplitArg(std::string& arg, std::string& opt, const std::string argument);
int ObjectIdxAcceptingArgument(const std::string& arg __attribute__((unused))) const __attribute__((warn_unused_result));
private:
std::string help_intro;
bool help_printed;
};
}
#endif
#endif
namespace ArgParse {
template<>
int ArgScalar<bool>::SetValue(const std::string& optarg) {
if (optarg != "") {
ArgParseMessageError("Trying to set the value of a bool with a non-empty string!\n");
return -1;
}
*value = true;
SetDefined(true);
return 0;
}
template<>
ArgObject::Accept_t ArgScalar<bool>::AcceptsArgument(const std::string& arg) const {
if(DebugLevel > 1) {
MessageStandardPrint("Testing the argument (%s)\n", arg.c_str());
}
size_t pos;
bool result = DoesAnArgumentMatch(pos, arg);
if(!result) {
return ArgObject::No;
}
return ArgObject::WithoutArg;
}
template<>
int ArgScalar<bool>::PassArgument(const std::string& arg, const std::string& opt, const bool with_opt) {
size_t pos;
bool result = DoesAnArgumentMatch(pos, arg);
if(!result) {
return ArgObject::NotAccepted;
}
if(with_opt) {
ArgParseMessageError("A boolean argument cannot accept a value!\n");
SetMessage("A boolean argument cannot accept a value!\n");
return ArgObject::Error;
}
if(opt.size() != 0) {
ArgParseMessageError("You told me you didn't pass an option, but you did!\n");
SetMessage("You told me you didn't pass an option, but you did!\n");
return ArgObject::Error;
}
if(SetValue("") < 0) {
return ArgObject::Error;
}
return ArgObject::Accepted;
}
template<>
std::string ArgScalar<bool>::GetHelpText() const {
return GetHelpTextWithMessage("Takes no argument : ");
}
template<>
std::string ArgScalar<std::string>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a string : ");
}
template<>
std::string ArgScalar<char>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a character : ");
}
template<>
std::string ArgScalar<unsigned char>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an unsigned character : ");
}
template<>
std::string ArgScalar<short>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a short : ");
}
template<>
std::string ArgScalar<unsigned short>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an unsigned short : ");
}
template<>
std::string ArgScalar<int>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an integer : ");
}
template<>
std::string ArgScalar<unsigned int>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an unsigned integer : ");
}
template<>
std::string ArgScalar<long>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a long : ");
}
template<>
std::string ArgScalar<unsigned long>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an unsigned long : ");
}
template<>
std::string ArgScalar<long long>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a long long : ");
}
template<>
std::string ArgScalar<unsigned long long>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an unsigned long long : ");
}
template<>
std::string ArgScalar<float>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a float : ");
}
template<>
std::string ArgScalar<double>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a double : ");
}
template<>
std::string ArgScalar<long double>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a long double : ");
}
}
#include <cstdarg>
namespace ArgParse {
std::string currentMessage = "";
FILE* STDOUT_Channel = stdout;
FILE* STDERR_Channel = stderr;
int DebugLevel = -1;
bool Color = true;
const std::string& GetMessage() {
return currentMessage;
}
void SetMessage(const std::string& message) {
currentMessage = message;
}
int _vscprintf (const char* format, va_list pargs) {
int retval;
va_list argcopy;
va_copy(argcopy, pargs);
retval = vsnprintf(nullptr, 0, format, argcopy);
va_end(argcopy);
return retval;
}
void SetMessage(const char* format, ...) {
va_list argptr;
va_start(argptr, format);
int the_length = _vscprintf(format, argptr)+1;
char buffer[the_length];
vsprintf(buffer, format, argptr);
va_end(argptr);
currentMessage = buffer;
}
void SetSTDOUTChannel(FILE* stdout_channel) {
STDOUT_Channel = stdout_channel;
}
void SetSTDERRChannel(FILE* stderr_channel) {
STDERR_Channel = stderr_channel;
}
void MessageStandardPrint(const char* format, ...) {
if(STDOUT_Channel != nullptr) {
va_list argptr;
va_start(argptr, format);
vfprintf(STDOUT_Channel, format, argptr);
va_end(argptr);
}
}
void MessageErrorPrint(const char* format, ...) {
if(STDERR_Channel != nullptr) {
va_list argptr;
va_start(argptr, format);
vfprintf(STDERR_Channel, format, argptr);
va_end(argptr);
}
}
}
namespace ArgParse {
template<>
int ArgVector<bool>::SetValue(const std::string& optarg) {
if (optarg != "") {
ArgParseMessageError("Trying to set the value of a bool with a non-empty string!\n");
return -1;
}
value->push_back(true);
SetDefined(true);
return 0;
}
template<>
ArgObject::Accept_t ArgVector<bool>::AcceptsArgument(const std::string& arg) const {
if(DebugLevel > 1) {
MessageStandardPrint("Testing the argument (%s)\n", arg.c_str());
}
size_t pos;
bool result = DoesAnArgumentMatch(pos, arg);
if(!result) {
return ArgObject::No;
}
return ArgObject::WithoutArg;
}
template<>
int ArgVector<bool>::PassArgument(const std::string& arg, const std::string& opt, const bool with_opt) {
size_t pos;
bool result = DoesAnArgumentMatch(pos, arg);
if(!result) {
return ArgObject::NotAccepted;
}
if(with_opt) {
ArgParseMessageError("A boolean argument cannot accept a value!\n");
SetMessage("A boolean argument cannot accept a value!\n");
return ArgObject::Error;
}
if(opt.size() != 0) {
ArgParseMessageError("You told me you didn't pass an option, but you did!\n");
SetMessage("You told me you didn't pass an option, but you did!\n");
return ArgObject::Error;
}
if(SetValue("") < 0) {
return ArgObject::Error;
}
return ArgObject::Accepted;
}
template<>
std::string ArgVector<bool>::GetHelpText() const {
return GetHelpTextWithMessage("Takes no argument : ");
}
template<>
std::string ArgVector<std::string>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a string : ");
}
template<>
std::string ArgVector<char>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a character : ");
}
template<>
std::string ArgVector<unsigned char>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an unsigned character : ");
}
template<>
std::string ArgVector<short>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a short : ");
}
template<>
std::string ArgVector<unsigned short>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an unsigned short : ");
}
template<>
std::string ArgVector<int>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an integer : ");
}
template<>
std::string ArgVector<unsigned int>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an unsigned integer : ");
}
template<>
std::string ArgVector<long>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a long : ");
}
template<>
std::string ArgVector<unsigned long>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an unsigned long : ");
}
template<>
std::string ArgVector<long long>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a long long : ");
}
template<>
std::string ArgVector<unsigned long long>::GetHelpText() const {
return GetHelpTextWithMessage("Takes an unsigned long long : ");
}
template<>
std::string ArgVector<float>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a float : ");
}
template<>
std::string ArgVector<double>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a double : ");
}
template<>
std::string ArgVector<long double>::GetHelpText() const {
return GetHelpTextWithMessage("Takes a long double : ");
}
}
#include <sstream>
#include <cerrno>
#include <climits>
#include <cmath>
namespace ArgParse {
Argument::Argument(const std::string& call_name, const std::string& help_text, const Req_t required, bool* was_defined) : ArgObject(help_text, required) {
this->call_names = GetCallNames(call_name);
if(was_defined == nullptr) {
this->defined = new bool;
this->responsible_for_defined = true;
*(this->defined) = false;
} else {
this->responsible_for_defined = false;
this->defined = was_defined;
}
}
Argument::~Argument() {
if(this->responsible_for_defined) {
delete this->defined;
}
}
std::vector<std::string> Argument::GetCallNames(const std::string& combined_names) {
std::vector<std::string> answer;
const size_t buffer_size = combined_names.size()+1;