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/*
* Copyright (C) 2002-2021 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef DOSBOX_PROGRAMS_H
#define DOSBOX_PROGRAMS_H
#include "dosbox.h"
#include <functional>
#include <list>
#include <memory>
#include <string>
#include "std_filesystem.h"
#include "dos_inc.h"
#include "help_util.h"
#define WIKI_URL "https://github.com/dosbox-staging/dosbox-staging/wiki"
#define WIKI_ADD_UTILITIES_ARTICLE WIKI_URL "/Add-Utilities"
constexpr int autoexec_maxsize = 4096;
class CommandLine {
public:
CommandLine(int argc, char const *const argv[]);
CommandLine(const char *name, const char *cmdline);
const char *GetFileName() { return file_name.c_str(); }
bool FindExist(char const * const name,bool remove=false);
bool FindInt(char const * const name,int & value,bool remove=false);
bool FindString(char const * const name,std::string & value,bool remove=false);
bool FindCommand(unsigned int which,std::string & value);
bool FindStringBegin(char const * const begin,std::string & value, bool remove=false);
bool FindStringRemain(char const * const name,std::string & value);
bool FindStringRemainBegin(char const *const name, std::string &value);
bool GetStringRemain(std::string & value);
int GetParameterFromList(const char* const params[], std::vector<std::string> & output);
void FillVector(std::vector<std::string> & vector);
bool HasDirectory() const;
bool HasExecutableName() const;
unsigned int GetCount(void);
void Shift(unsigned int amount=1);
uint16_t Get_arglength();
private:
using cmd_it = std::list<std::string>::iterator;
std::list<std::string> cmds = {};
std::string file_name = "";
bool FindEntry(char const * const name,cmd_it & it,bool neednext=false);
};
class Program {
public:
Program();
Program(const Program &) = delete; // prevent copy
Program &operator=(const Program &) = delete; // prevent assignment
virtual ~Program()
{
delete cmd;
delete psp;
}
std::string temp_line = "";
CommandLine *cmd = nullptr;
DOS_PSP *psp = nullptr;
virtual void Run(void)=0;
bool GetEnvStr(const char *entry, std::string &result) const;
bool GetEnvNum(Bitu num, std::string &result) const;
Bitu GetEnvCount() const;
bool SetEnv(const char * entry,const char * new_string);
virtual void WriteOut(const char *format, const char * arguments);
virtual void WriteOut(const char *format, ...); // printf to DOS stdout
void WriteOut_NoParsing(const char *str); // write string to DOS stdout
bool SuppressWriteOut(const char *format); // prevent writing to DOS stdout
void InjectMissingNewline();
void ChangeToLongCmd();
bool HelpRequested();
static void ResetLastWrittenChar(char c);
void AddToHelpList();
protected:
HELP_Detail help_detail {};
};
using PROGRAMS_Creator = std::function<std::unique_ptr<Program>()>;
void PROGRAMS_Destroy([[maybe_unused]] Section* sec);
void PROGRAMS_MakeFile(char const * const name, PROGRAMS_Creator creator);
template<class P>
std::unique_ptr<Program> ProgramCreate() {
// ensure that P is derived from Program
static_assert(std::is_base_of_v<Program, P>, "class not derived from Program");
return std::make_unique<P>();
}
#endif
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