X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5b5d025c1dec1c1a5abf4decb367a05e40f0c26c..835165d576b66441987b78519e6ef1fe74ea795a:/include/wx/encconv.h?ds=sidebyside diff --git a/include/wx/encconv.h b/include/wx/encconv.h index 05dbfeaf40..5447fb5980 100644 --- a/include/wx/encconv.h +++ b/include/wx/encconv.h @@ -1,42 +1,47 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: encconv.h +// Name: wx/encconv.h // Purpose: wxEncodingConverter class for converting between different // font encodings // Author: Vaclav Slavik // Copyright: (c) 1999 Vaclav Slavik -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __ENCCONV_H__ -#define __ENCCONV_H__ - -#ifdef __GNUG__ -#pragma interface "encconv.h" -#endif +#ifndef _WX_ENCCONV_H_ +#define _WX_ENCCONV_H_ #include "wx/defs.h" -#include "wx/font.h" -#include "wx/dynarray.h" +#include "wx/object.h" +#include "wx/fontenc.h" +#include "wx/dynarray.h" +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- -enum { +enum +{ wxCONVERT_STRICT, wxCONVERT_SUBSTITUTE }; -enum { +enum +{ wxPLATFORM_CURRENT = -1, - + wxPLATFORM_UNIX = 0, wxPLATFORM_WINDOWS, wxPLATFORM_OS2, - wxPLATFORM_MAC, + wxPLATFORM_MAC }; -WX_DEFINE_ARRAY(wxFontEncoding, wxFontEncodingArray); +// ---------------------------------------------------------------------------- +// types +// ---------------------------------------------------------------------------- +WX_DEFINE_ARRAY_INT(wxFontEncoding, wxFontEncodingArray); //-------------------------------------------------------------------------------- // wxEncodingConverter @@ -44,54 +49,53 @@ WX_DEFINE_ARRAY(wxFontEncoding, wxFontEncodingArray); // 8bit encodings/charsets. It can also convert from/to Unicode //-------------------------------------------------------------------------------- -class WXDLLEXPORT wxEncodingConverter : public wxObject +class WXDLLIMPEXP_BASE wxEncodingConverter : public wxObject { public: - + wxEncodingConverter(); - ~wxEncodingConverter() { if (m_Table) delete[] m_Table; } - - // Initialize convertion. Both output or input encoding may - // be wxFONTENCODING_UNICODE, but only if wxUSE_UNICODE is set to 1. + virtual ~wxEncodingConverter() { if (m_Table) delete[] m_Table; } + + // Initialize conversion. Both output or input encoding may + // be wxFONTENCODING_UNICODE. // // All subsequent calls to Convert() will interpret it's argument // as a string in input_enc encoding and will output string in // output_enc encoding. // - // You must call this method before calling Convert. You may call + // You must call this method before calling Convert. You may call // it more than once in order to switch to another conversion // // Method affects behaviour of Convert() in case input character // cannot be converted because it does not exist in output encoding: - // wxCONVERT_STRICT -- - // follow behaviour of GNU Recode - just copy unconvertable - // characters to output and don't change them (it's integer + // wxCONVERT_STRICT -- + // follow behaviour of GNU Recode - just copy unconvertable + // characters to output and don't change them (it's integer // value will stay the same) // wxCONVERT_SUBSTITUTE -- - // try some (lossy) substitutions - e.g. replace + // try some (lossy) substitutions - e.g. replace // unconvertable latin capitals with acute by ordinary // capitals, replace en-dash or em-dash by '-' etc. // both modes gurantee that output string will have same length // as input string // - // Returns FALSE if given conversion is impossible, TRUE otherwise + // Returns false if given conversion is impossible, true otherwise // (conversion may be impossible either if you try to convert - // to Unicode with non-Unicode build of wxWindows or if input + // to Unicode with non-Unicode build of wxWidgets or if input // or output encoding is not supported.) bool Init(wxFontEncoding input_enc, wxFontEncoding output_enc, int method = wxCONVERT_STRICT); - + // Convert input string according to settings passed to Init. // Note that you must call Init before using Convert! - void Convert(const wxChar* input, wxChar* output); - void Convert(wxChar* str) { Convert(str, str); } - wxString Convert(const wxString& input); - -#if wxUSE_UNICODE // otherwise wxChar === char - void Convert(const char* input, wxChar* output); - void Convert(const wxChar* input, char* output); - void Convert(const char* input, char* output); - void Convert(char* str) { Convert(str, str); } -#endif + bool Convert(const char* input, char* output) const; + bool Convert(char* str) const { return Convert(str, str); } + wxString Convert(const wxString& input) const; + + bool Convert(const char* input, wchar_t* output) const; + bool Convert(const wchar_t* input, char* output) const; + bool Convert(const wchar_t* input, wchar_t* output) const; + bool Convert(wchar_t* str) const { return Convert(str, str); } + // Return equivalent(s) for given font that are used // under given platform. wxPLATFORM_CURRENT means the plaform // this binary was compiled for @@ -109,8 +113,8 @@ class WXDLLEXPORT wxEncodingConverter : public wxObject // that you loose special chars like quotation marks or em-dashes // but you shouldn't loose any diacritics and language-specific // characters when converting between equivalent encodings). - // - // Convert() method is not limited to converting between + // + // Convert() method is not limited to converting between // equivalent encodings, it can convert between arbitrary // two encodings! // @@ -123,34 +127,27 @@ class WXDLLEXPORT wxEncodingConverter : public wxObject // encoding is native for this platform or not) static wxFontEncodingArray GetPlatformEquivalents(wxFontEncoding enc, int platform = wxPLATFORM_CURRENT); - // Similar to GetPlatformEquivalent, but this one will return ALL + // Similar to GetPlatformEquivalent, but this one will return ALL // equivalent encodings, regardless the platform, including itself. static wxFontEncodingArray GetAllEquivalents(wxFontEncoding enc); + // Return true if [any text in] one multibyte encoding can be + // converted to another one losslessly. + // + // Do not call this with wxFONTENCODING_UNICODE, it doesn't make + // sense (always works in one sense and always depends on the text + // to convert in the other) + static bool CanConvert(wxFontEncoding encIn, wxFontEncoding encOut) + { + return GetAllEquivalents(encIn).Index(encOut) != wxNOT_FOUND; + } + private: - - wxChar *m_Table; + wchar_t *m_Table; bool m_UnicodeInput, m_UnicodeOutput; bool m_JustCopy; - -}; - - -#endif // __ENCCONV_H__ - - - - - - - - - - - - - - - + wxDECLARE_NO_COPY_CLASS(wxEncodingConverter); +}; +#endif // _WX_ENCCONV_H_