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147 lines
7.4 KiB
C++
147 lines
7.4 KiB
C++
// Created on: 1996-09-26
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// Created by: Arnaud BOUZY
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Resource_Unicode_HeaderFile
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#define _Resource_Unicode_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_CString.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_PCharacter.hxx>
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#include <Standard_Integer.hxx>
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#include <Resource_FormatType.hxx>
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class TCollection_ExtendedString;
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//! This class provides functions used to convert a non-ASCII C string
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//! given in ANSI, EUC, GB or SJIS format, to a
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//! Unicode string of extended characters, and vice versa.
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class Resource_Unicode
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Converts non-ASCII CString <fromstr> in SJIS format
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//! to Unicode ExtendedString <tostr>.
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Standard_EXPORT static void ConvertSJISToUnicode (const Standard_CString fromstr, TCollection_ExtendedString& tostr);
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//! Converts non-ASCII CString <fromstr> in EUC format
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//! to Unicode ExtendedString <tostr>.
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Standard_EXPORT static void ConvertEUCToUnicode (const Standard_CString fromstr, TCollection_ExtendedString& tostr);
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//! Converts non-ASCII CString <fromstr> in GB format
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//! to Unicode ExtendedString <tostr>.
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Standard_EXPORT static void ConvertGBToUnicode (const Standard_CString fromstr, TCollection_ExtendedString& tostr);
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//! Converts non-ASCII CString <fromstr> in GBK format
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//! to Unicode ExtendedString <tostr>.
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Standard_EXPORT static Standard_Boolean ConvertGBKToUnicode (const Standard_CString fromstr, TCollection_ExtendedString& tostr);
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//! Converts non-ASCII CString <fromstr> in Big5 format
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//! to Unicode ExtendedString <tostr>.
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Standard_EXPORT static Standard_Boolean ConvertBig5ToUnicode (const Standard_CString fromstr, TCollection_ExtendedString& tostr);
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//! Converts Unicode ExtendedString <fromstr> to non-ASCII
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//! CString <tostr> in SJIS format, limited to <maxsize>
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//! characters. To translate the whole <fromstr>, use more
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//! than twice the length of <fromstr>. Returns true if
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//! <maxsize> has not been reached before end of conversion.
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Standard_EXPORT static Standard_Boolean ConvertUnicodeToSJIS (const TCollection_ExtendedString& fromstr, Standard_PCharacter& tostr, const Standard_Integer maxsize);
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//! Converts Unicode ExtendedString <fromstr> to non-ASCII
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//! CString <tostr> in EUC format, limited to <maxsize>
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//! characters. To translate the whole <fromstr>, use more
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//! than twice the length of <fromstr>. Returns true if
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//! <maxsize> has not been reached before end of conversion.
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Standard_EXPORT static Standard_Boolean ConvertUnicodeToEUC (const TCollection_ExtendedString& fromstr, Standard_PCharacter& tostr, const Standard_Integer maxsize);
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//! Converts Unicode ExtendedString <fromstr> to non-ASCII
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//! CString <tostr> in GB format, limited to <maxsize>
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//! characters. To translate the whole <fromstr>, use more
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//! than twice the length of <fromstr>. Returns true if
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//! <maxsize> has not been reached before end of conversion.
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Standard_EXPORT static Standard_Boolean ConvertUnicodeToGB (const TCollection_ExtendedString& fromstr, Standard_PCharacter& tostr, const Standard_Integer maxsize);
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//! Converts Unicode ExtendedString <fromstr> to non-ASCII
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//! CString <tostr> in ANSI format, limited to <maxsize>
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//! characters. To translate the whole <fromstr>, use more
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//! than twice the length of <fromstr>. Returns true if
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//! <maxsize> has not been reached before end of conversion.
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Standard_EXPORT static Standard_Boolean ConvertUnicodeToANSI (const TCollection_ExtendedString& fromstr, Standard_PCharacter& tostr, const Standard_Integer maxsize);
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//! Defines the current conversion format as typecode.
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//! This conversion format will then be used by the
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//! functions ConvertFormatToUnicode and
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//! ConvertUnicodeToFormat to convert the strings.
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Standard_EXPORT static void SetFormat (const Resource_FormatType typecode);
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//! Returns the current conversion format (either
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//! ANSI, EUC, GB or SJIS).
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//! The current converting format must be defined in
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//! advance with the SetFormat function.
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Standard_EXPORT static Resource_FormatType GetFormat();
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//! Reads converting format from resource "FormatType"
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//! in Resource Manager "CharSet"
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Standard_EXPORT static void ReadFormat();
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//! Converts the non-ASCII C string (as specified by GetFormat()) to the Unicode string of extended characters.
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static void ConvertFormatToUnicode (const Standard_CString theFromStr,
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TCollection_ExtendedString& theToStr)
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{
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return ConvertFormatToUnicode (Resource_Unicode::GetFormat(), theFromStr, theToStr);
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}
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//! Converts the non-ASCII C string in specified format to the Unicode string of extended characters.
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//! @param theFormat [in] source encoding
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//! @param theFromStr [in] text to convert
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//! @param theToStr [out] destination string
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Standard_EXPORT static void ConvertFormatToUnicode (const Resource_FormatType theFormat,
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const Standard_CString theFromStr,
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TCollection_ExtendedString& theToStr);
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//! Converts the Unicode string of extended characters to the non-ASCII string according to specified format.
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//! You need more than twice the length of the source string to complete the conversion.
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//! The function returns true if conversion is complete, i.e. the maximum number of characters is not reached before the end of conversion.
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//! @param theFormat [in] destination encoding
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//! @param theFromStr [in] text to convert
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//! @param theToStr [out] destination buffer
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//! @param theMaxSize [in] destination buffer length
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Standard_EXPORT static Standard_Boolean ConvertUnicodeToFormat (const Resource_FormatType theFormat,
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const TCollection_ExtendedString& theFromStr,
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Standard_PCharacter& theToStr,
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const Standard_Integer theMaxSize);
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//! Converts the Unicode string of extended characters to the non-ASCII string according to the format returned by the function GetFormat.
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//! @param theFromStr [in] text to convert
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//! @param theToStr [out] destination buffer
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//! @param theMaxSize [in] destination buffer length
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static Standard_Boolean ConvertUnicodeToFormat (const TCollection_ExtendedString& theFromStr,
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Standard_PCharacter& theToStr,
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const Standard_Integer theMaxSize)
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{
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return ConvertUnicodeToFormat (Resource_Unicode::GetFormat(), theFromStr, theToStr, theMaxSize);
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}
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};
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#endif // _Resource_Unicode_HeaderFile
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