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143 lines
3.9 KiB
C++
143 lines
3.9 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef ENCONV_H
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#define ENCONV_H
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#include "nlsxp.h"
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typedef struct _NLS_AUTO_DETECT_RESULT
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{
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const char* fEncoding;
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uint32 fFeatures;
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uint32 fFlaws;
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uint32 fErrors;
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} NLS_AUTO_DETECT_RESULT;
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#ifndef NLS_CPLUSPLUS
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typedef struct _EncodingConverter EncodingConverter;
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typedef struct _EncondingConverterList EncondingConverterList;
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#else
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typedef struct OpaqueCCCDataObject *CCCDataObject;
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//
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// Forward Delclartion of libnls private classes
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//
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class TEncodingRegistry;
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class TEncodingConverter;
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class TEncodingEntry;
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#ifdef NLS_MAC
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#pragma export on
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#endif
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class NLSCNVAPI_PUBLIC_CLASS EncodingConverter
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{
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public:
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/*
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* Constructor/destructor
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*/
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EncodingConverter(const char *from_charset, const char *to_charset);
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~EncodingConverter();
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size_t convert(const byte *inputBuffer, size_t inputBufferLength,
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byte * outputBuffer, size_t outputBufferLength);
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NLS_ErrorCode status();
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void reset();
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/* If output buffer was two small, remainder can be retrieved */
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size_t remainderSize();
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size_t nextBuffer(byte * buffer, size_t bufferSize);
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/* If conversion was incomplete there will be bytes leftover*/
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size_t leftoverSize();
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size_t leftover(byte * outputBuffer, size_t outputBufferLength);
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static nlsBool exists(const char *from_charset, const char *to_charset);
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static const char* normalizedEncodingName(const char* encoding);
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static const char* normalizedJavaName(const char* javaName);
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static const char* javaEncodingName(const char* encoding);
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static size_t resultBufferSize(const byte *buffer, size_t length,
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const char *from_charset, const char *to_charset);
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static void registerStaticLibrary(NLS_StaticConverterRegistry ImportStaticEntryList);
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/* Data directory set & get */
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static const char* getDataDirectory();
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static void setDataDirectory(const char* path);
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static NLS_ErrorCode initializeEncodingRegistry(void);
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static TEncodingRegistry* getEncodingRegistry(void);
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static void deleteEncodingRegistry(void);
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private:
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int16 intermidiateCSIDForUnicodeConversion(int16 csid);
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size_t unicodeStringLength(UniChar *ustr);
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NLS_ErrorCode fStatus;
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const char* fFromCharset;
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const char* fToCharset;
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CCCDataObject fObj;
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CCCDataObject fPreUniConvObj;
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CCCDataObject fPostUniConvObj;
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size_t fLeftOverSize;
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size_t fLeftOverAllocatedSize;
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byte* fLeftOverBuffer;
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size_t fRemSize;
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size_t fRemAllocatedSize;
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byte* fRemBuffer;
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TEncodingConverter *fEngine;
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static char* fgConverterPath;
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static const char* kDefaultConverterPath;
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static TEncodingRegistry* fgRegistry;
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};
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class NLSCNVAPI_PUBLIC_CLASS EncondingConverterList
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{
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public:
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/*
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* Constructor/destructor
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*/
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EncondingConverterList(const char *from_charset, const char *to_charset);
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~EncondingConverterList();
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size_t count();
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void index(size_t number, char *from_charset, char *to_charset);
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private:
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NLS_ErrorCode fStatus;
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const char* fFromCharset;
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const char* fToCharset;
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size_t fCount;
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const char** fFromArray;
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const char** fToArray;
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TEncodingRegistry* fRegistry;
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};
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#ifdef NLS_MAC
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#pragma export off
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#endif
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#endif /* #ifndef NLS_CPLUSPLUS */
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#endif /* #ifndef ENCONV_H */
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