zduke/source/doomlayer/c_dispatch.h

/*
** c_dispatch.h
**
**---------------------------------------------------------------------------
** Copyright 1998-2001 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
**    notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
**    notice, this list of conditions and the following disclaimer in the
**    documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
**    derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/

#ifndef __C_DISPATCH_H__
#define __C_DISPATCH_H__

#include "doomtype.h"

class FConfigFile;

#define HASH_SIZE	251				// I think this is prime

void C_ExecCmdLineParams ();

// Add commands to the console as if they were typed in. Can handle wait
// and semicolon-separated commands. This function may modify the source
// string, but the string will be restored to its original state before
// returning. Therefore, commands passed must not be in read-only memory.
void AddCommandString (char *text, int keynum=0, long clockdue=0);

// Executes all commands added with AddCommandString() that are set
// to execute on the specified clock or earlier. The game loop calls this
// periodically.
void C_DispatchCommands (long clock);

// Process a single console command. Does not handle wait. Executes immediately.
void C_DoCommand (const char *cmd, int keynum=0);

int C_ExecFile (const char *cmd, bool usePullin);

// Write out alias commands to a file for all current aliases.
void C_ArchiveAliases (FConfigFile *f);

void C_SetAlias (const char *name, const char *cmd);

// build a single string out of multiple strings
char *BuildString (int argc, char **argv);

// Class that can parse command lines
class FCommandLine
{
public:
	FCommandLine (const char *commandline);
	~FCommandLine ();
	int argc ();
	char *operator[] (int i);
	const char *args () { return cmd; }

private:
	const char *cmd;
	int _argc;
	char **_argv;
	long argsize;
};

typedef void (*CCmdRun) (FCommandLine &argv, int key);

class FConsoleCommand
{
public:
	FConsoleCommand (const char *name, CCmdRun RunFunc);
	virtual ~FConsoleCommand ();
	virtual bool IsAlias ();
	void PrintCommand () { Printf ("%s\n", m_Name); }

	virtual void Run (FCommandLine &args, int key);

	FConsoleCommand *m_Next, **m_Prev;
	char *m_Name;

protected:
	FConsoleCommand ();
	bool AddToHash (FConsoleCommand **table);

	CCmdRun m_RunFunc;

};

#define CCMD(n) \
	void Cmd_##n (FCommandLine &, int key); \
	FConsoleCommand Cmd_##n##_ (#n, Cmd_##n); \
	void Cmd_##n (FCommandLine &argv, int key)

const int KEY_DBLCLICKED = 0x8000;

class FConsoleAlias : public FConsoleCommand
{
public:
	FConsoleAlias (const char *name, const char *command, bool noSave);
	~FConsoleAlias ();
	void Run (FCommandLine &args, int key);
	bool IsAlias ();
	void PrintAlias ();
	void Archive (FConfigFile *f);
	void Realias (const char *command, bool noSave);
	void SafeDelete ();
protected:
	char *m_Command[2];
	bool bRunning;
	bool bKill;
};

#include "function.h"

extern unsigned int MakeKey (const char *s);

#endif //__C_DISPATCH_H__