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/*******************************************************************************
* processoptions.h
*
* This module contains all defines, typedefs, and prototypes for the
* C++ interface of processoptions.cpp.
*
* ---------------------------------------------------------------------------
* Persistence of Vision Ray Tracer ('POV-Ray') version 3.7.
* Copyright 1991-2013 Persistence of Vision Raytracer Pty. Ltd.
*
* POV-Ray is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* POV-Ray 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* ---------------------------------------------------------------------------
* POV-Ray 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/public/povray/3.x/source/base/processoptions.h $
* $Revision: #1 $
* $Change: 6069 $
* $DateTime: 2013/11/06 11:59:40 $
* $Author: chrisc $
*******************************************************************************/
#ifndef PROCESSOPTIONS_H
#define PROCESSOPTIONS_H
#include "configbase.h"
#include "povms.h"
#include "textstream.h"
namespace pov_base
{
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);
static bool Matches(const char *, const char *);
static bool IsTrue(const char *);
static bool IsFalse(const char *);
static int POVMSAttr_GetUTF8String(POVMSAttributePtr, POVMSType, char *, int *);
static int POVMSAttr_SetUTF8String(POVMSAttributePtr, POVMSType, const char *);
static int POVMSUtil_SetUTF8String(POVMSObjectPtr, POVMSType, const char *);
static size_t ConvertUTF8ToUCS2(const char *, UCS2 *);
static size_t ConvertUCS2ToUTF8(const UCS2 *, char *);
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 *);
char *Parse_Raw_INI_String(ITextStream *file);
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);
};
}
#endif
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