projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| dd0ef332 VS |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/unichar.cpp | |
| 3 | // Purpose: wxUniChar and wxUniCharRef classes | |
| 4 | // Author: Vaclav Slavik | |
| 5 | // Created: 2007-03-19 | |
| 6 | // RCS-ID: $Id$ | |
| 7 | // Copyright: (c) 2007 REA Elektronik GmbH | |
| 8 | // Licence: wxWindows licence | |
| 9 | /////////////////////////////////////////////////////////////////////////////// | |
| 10 | ||
| 11 | // =========================================================================== | |
| 12 | // headers | |
| 13 | // =========================================================================== | |
| 14 | ||
| 15 | // For compilers that support precompilation, includes "wx.h". | |
| 16 | #include "wx/wxprec.h" | |
| 17 | ||
| 18 | #ifdef __BORLANDC__ | |
| 19 | #pragma hdrstop | |
| 20 | #endif | |
| 21 | ||
| 0cb6a6e4 VZ |
22 | #ifndef WX_PRECOMP |
| 23 | #include "wx/strconv.h" // wxConvLibc | |
| 24 | #endif | |
| 25 | ||
| dd0ef332 | 26 | #include "wx/unichar.h" |
| 467175ab | 27 | #include "wx/stringops.h" |
| 81727065 | 28 | |
| dd0ef332 VS |
29 | // =========================================================================== |
| 30 | // implementation | |
| 31 | // =========================================================================== | |
| 32 | ||
| 81727065 VS |
33 | // --------------------------------------------------------------------------- |
| 34 | // wxUniChar | |
| 35 | // --------------------------------------------------------------------------- | |
| 36 | ||
| dd0ef332 | 37 | /* static */ |
| d1b7ed67 | 38 | wxUniChar::value_type wxUniChar::From8bit(char c) |
| dd0ef332 VS |
39 | { |
| 40 | // all supported charsets have the first 128 characters same as ASCII: | |
| 41 | if ( (unsigned char)c < 0x80 ) | |
| 42 | return c; | |
| 43 | ||
| 44 | wchar_t buf[2]; | |
| 45 | if ( wxConvLibc.ToWChar(buf, 2, &c, 1) != 2 ) | |
| 46 | return wxT('?'); // FIXME-UTF8: what to use as failure character? | |
| 47 | return buf[0]; | |
| 48 | } | |
| 49 | ||
| 50 | /* static */ | |
| d1b7ed67 | 51 | char wxUniChar::To8bit(wxUniChar::value_type c) |
| dd0ef332 VS |
52 | { |
| 53 | // all supported charsets have the first 128 characters same as ASCII: | |
| 54 | if ( c < 0x80 ) | |
| 55 | return c; | |
| 56 | ||
| 57 | wchar_t in = c; | |
| 58 | char buf[2]; | |
| 59 | if ( wxConvLibc.FromWChar(buf, 2, &in, 1) != 2 ) | |
| 60 | return '?'; // FIXME-UTF8: what to use as failure character? | |
| 61 | return buf[0]; | |
| 62 | } | |
| 81727065 VS |
63 | |
| 64 | ||
| 65 | // --------------------------------------------------------------------------- | |
| 66 | // wxUniCharRef | |
| 67 | // --------------------------------------------------------------------------- | |
| 68 | ||
| 69 | #if wxUSE_UNICODE_UTF8 | |
| 467175ab VS |
70 | wxUniChar wxUniCharRef::UniChar() const |
| 71 | { | |
| 72 | return wxStringOperations::DecodeChar(m_pos); | |
| 73 | } | |
| 74 | ||
| 81727065 VS |
75 | wxUniCharRef& wxUniCharRef::operator=(const wxUniChar& c) |
| 76 | { | |
| 467175ab VS |
77 | wxStringOperations::Utf8CharBuffer utf(wxStringOperations::EncodeChar(c)); |
| 78 | size_t lenOld = wxStringOperations::GetUtf8CharLength(*m_pos); | |
| 79 | size_t lenNew = wxStringOperations::GetUtf8CharLength(utf[0]); | |
| 81727065 VS |
80 | |
| 81 | if ( lenNew == lenOld ) | |
| 82 | { | |
| 83 | iterator pos(m_pos); | |
| 84 | for ( size_t i = 0; i < lenNew; ++i, ++pos ) | |
| 85 | *pos = utf[i]; | |
| 86 | } | |
| 87 | else | |
| 88 | { | |
| 89 | size_t idx = m_pos - m_str.begin(); | |
| 90 | ||
| 91 | m_str.replace(m_pos, m_pos + lenOld, utf, lenNew); | |
| 92 | ||
| 93 | // this is needed to keep m_pos valid: | |
| 94 | m_pos = m_str.begin() + idx; | |
| 95 | } | |
| 96 | ||
| 97 | return *this; | |
| 98 | } | |
| 99 | #endif // wxUSE_UNICODE_UTF8 |