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/****************************************************************************
* processoptions.h
*
* This module contains all defines, typedefs, and prototypes for the
* C++ interface of processoptions.cpp.
*
* from Persistence of Vision(tm) Ray Tracer version 3.6.
* Copyright 1991-2003 Persistence of Vision Team
* Copyright 2003-2004 Persistence of Vision Raytracer Pty. Ltd.
*---------------------------------------------------------------------------
* NOTICE: This source code file is provided so that users may experiment
* with enhancements to POV-Ray and to port the software to platforms other
* than those supported by the POV-Ray developers. There are strict rules
* regarding how you are permitted to use this file. These rules are contained
* in the distribution and derivative versions licenses which should have been
* provided with this file.
*
* These licences may be found online, linked from the end-user license
* agreement that is located at http://www.povray.org/povlegal.html
*---------------------------------------------------------------------------
* This program is based on the popular DKB raytracer version 2.12.
* DKBTrace was originally written by David K. Buck.
* DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
*---------------------------------------------------------------------------
* $File: //depot/povray/3.6-release/source/base/processoptions.h $
* $Revision: #2 $
* $Change: 2939 $
* $DateTime: 2004/07/04 13:43:26 $
* $Author: root $
* $Log$
*****************************************************************************/
#ifndef PROCESSOPTIONS_H
#define PROCESSOPTIONS_H
#include "configbase.h"
#include "povms.h"
#include "textstream.h"
BEGIN_POV_BASE_NAMESPACE
class ProcessOptions
{
public:
struct INI_Parser_Table
{
const char *keyword;
POVMSType key;
POVMSType type;
};
struct Cmd_Parser_Table
{
const char *command;
POVMSType key;
POVMSType type;
POVMSType is_switch;
};
ProcessOptions(INI_Parser_Table *, Cmd_Parser_Table *);
~ProcessOptions();
int ParseFile(const char *, POVMSObjectPtr);
int ParseString(const char *, POVMSObjectPtr, bool singleswitch = false);
int WriteFile(const char *, POVMSObjectPtr);
int WriteFile(OTextStream *, POVMSObjectPtr);
protected:
virtual int ReadSpecialOptionHandler(INI_Parser_Table *, char *, POVMSObjectPtr);
virtual int ReadSpecialSwitchHandler(Cmd_Parser_Table *, char *, POVMSObjectPtr, bool);
virtual int WriteSpecialOptionHandler(INI_Parser_Table *, POVMSObjectPtr, OTextStream *);
virtual bool WriteOptionFilter(INI_Parser_Table *);
virtual bool ProcessUnknownSwitch(char *, char *, POVMSObjectPtr);
virtual int ProcessUnknownString(char *, POVMSObjectPtr);
virtual ITextStream *OpenFileForRead(const char *, POVMSObjectPtr) = 0;
virtual OTextStream *OpenFileForWrite(const char *, POVMSObjectPtr) = 0;
virtual void ParseError(const char *, ...);
virtual void ParseErrorAt(ITextStream *, const char *, ...);
virtual void WriteError(const char *, ...);
private:
INI_Parser_Table *parse_ini_table;
Cmd_Parser_Table *parse_cmd_table;
int Output_INI_Option(INI_Parser_Table *, POVMSObjectPtr, OTextStream *);
int Parse_INI_Specification(const char *, char *&, char *&);
int Parse_INI_Skip_Space(ITextStream *, bool);
int Parse_INI_Skip_Line(ITextStream *);
int Parse_INI_Option(ITextStream *, POVMSObjectPtr);
int Parse_INI_Switch(ITextStream *, int, POVMSObjectPtr);
char *Parse_INI_String(ITextStream *, int endchr = -1, bool smartmode = false);
bool Parse_INI_String_Smartmode(ITextStream *);
int Parse_CL(char *, POVMSObjectPtr, bool);
void Parse_CL_Skip_Space(const char *&);
int Parse_CL_Switch(const char *&, int , POVMSObjectPtr, bool);
int Parse_CL_Option(const char *&, POVMSObjectPtr, bool);
char *Parse_CL_String(const char *&, int endchr = -1);
int Process_INI_Option(INI_Parser_Table *, char *, POVMSObjectPtr);
int Process_Switch(Cmd_Parser_Table *, char *, POVMSObjectPtr, bool);
bool Matches(const char *, const char *);
bool IsTrue(const char *);
bool IsFalse(const char *);
};
END_POV_BASE_NAMESPACE
#endif
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