//**************************************************************************************
// Filename:	CConverter.h
// Copyright © 1998 _tk_. All rights reserved.
//
// Description:	
//
//**************************************************************************************
// Revision History:
// Sunday, September 13, 1998 - Original
//**************************************************************************************

#pragma once

#include "CycloneConstants.h"
#include "ConverterConstants.h"

enum
{
	kEncodingsBaseResID	= 1100,
	kVariantsStartResID	= 3000,
	kFormatsStartResID	= 5000
};




const Size kMinimumBufferSize	= 32;

class LArray;

class CConverter
{
public:

static		OSStatus			DoConvertToUnicode( TextEncoding unicodeEncoding, TextEncoding fromEncoding, Handle srcH,
									 				Handle destH, ByteCount &inputRead, ByteCount &unicodeLen);

static		OSStatus			DoConvertToEncoding(	TextEncoding unicodeEncoding, TextEncoding	toEncoding, Handle srcH,
													Handle destH, ByteCount &inputRead, ByteCount &outputLen);
static		OSStatus			ConvertFromOneEncodingToAnother(TextEncoding inputEncoding, TextEncoding outputEncoding, Handle srcH, Handle destH);
static		OSStatus			ConvertClipboard(TextEncoding inputEncoding, TextEncoding outputEncoding, UInt16 lineBreak);
static		bool				IsTwoByteUnicode( TextEncoding inEnc );

//static		UniChar				GuessByteOrder(UniCharPtr uniTextPtr, UniCharCount uniTextLen);
//static		void				InvertByteOrder(UniCharPtr uniTextPtr, UniCharCount uniTextLen);
static		Boolean				ImportTextToUnicode(FSSpec *inOriginalDocSpec, TextEncoding inOriginalEncoding, Handle &outHandle);
static		Boolean				ExportUnicodeToEncodingText(Handle origHandle, Str255 defaultName, TextEncoding	textEncoding);
static		Boolean				OpenConvertSave(TextEncoding inputEncoding, TextEncoding outputEncoding, FSSpec *inOrigSpec);
static		Boolean				AskForConversionType(TextEncoding &inputEncoding, TextEncoding &outputEncoding, UInt16 &outLineBreak, Str255 inName);

static		Boolean				GetAllEncodingMappings();
static		void				DisposeAllEncodingMappings();
static		Boolean				GetEncodingName(TextEncoding inEncoding, TextEncodingNameSelector inSelector, Str255 outName);
static		Boolean				FindEncodingName(TextEncodingBase inBase, TextEncodingBase standardSelector, Str255 outName);
static		Boolean				FindEncodingVariantName(TextEncodingBase inBase, TextEncodingVariant inVariant, Str255 outName);
static		Boolean				FindEncodingFormatName(TextEncodingBase inBase, TextEncodingFormat inVariant, Str255 outName);

static		SInt32				EncodingBinarySearch(TextEncoding inEncoding, TextEncoding *mapPtr, UInt32 itemCount);
static		SInt32				EncodingBinarySearchByBase(TextEncoding inEncoding, TextEncoding *mapPtr, UInt32 itemCount);
static		void				VerifyAndCleanBaseName(Str255 ioName, TextEncoding inEncoding);
static		void				GetSpecifiedEncodingsRange(LArray *inEncArr, TextEncoding inStandard, UInt32 &outStart, UInt32 &outEnd);
static		void				FindIndexRange(LArray *inEncArr, UInt32 &outStart, UInt32 &outEnd);

static		Boolean				SniffFileContent(const FSRef &inRef, TextEncoding &suggestedEncoding);
static		bool				SniffClipboardContent(TextEncoding &suggestedEncoding);
static		bool				SniffContent( TextPtr inputBuffer, ByteCount inputBufferLength, TextEncoding &suggestedEncoding );
static		LArray*				sAllTextEncodingsArr;

static		void				AutoCorrectBreaks(TextPtr buf, ByteCount &len, ByteCount buffSize, TextEncoding inEncoding);
static		void				ChangeBreaks(TextPtr buf, ByteCount &len, ByteCount buffSize, TextEncoding inEncoding, UInt16 inBreak);

static		void				ChangeToMac(TextPtr outBuf, ByteCount &inLen);
static		void				UniChangeToUnicode(TextPtr outBuf, ByteCount &inLen);
static		void				ChangeToUnix(TextPtr outBuf, ByteCount &inLen);
static		void				ChangeToWindows(TextPtr outBuf, ByteCount &inLen, ByteCount buffSize);

static		void				UniChangeToMac(TextPtr outBuf, ByteCount &inLen);
static		void				UniChangeToUnix(TextPtr outBuf, ByteCount &inLen);
static		void				UniChangeToWindows(TextPtr outBuf, ByteCount &inLen, ByteCount buffSize);


static		void				ResizeOutputHandle( Handle h, char** outputPtr, ByteCount resizeBy );


};