[wxWidgets.git] / src / common / encconv.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        encconv.cpp
// Purpose:     wxEncodingConverter class for converting between different
//              font encodings
// Author:      Vaclav Slavik
// Copyright:   (c) 1999 Vaclav Slavik
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "encconv.h"
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
  #pragma hdrstop
#endif

#include "wx/encconv.h"

#include <stdlib.h>

// conversion tables, generated by scripts in $(WXWIN)/misc/unictabl:
#ifdef __BORLANDC__
#include "../common/unictabl.inc"
#else
#include "unictabl.inc" 
#endif


static wxUint16* LINKAGEMODE GetEncTable(wxFontEncoding enc)
{
    for (int i = 0; encodings_list[i].table != NULL; i++)
    {
        if (encodings_list[i].encoding == enc) 
            return encodings_list[i].table;
    }
    return NULL;
}

typedef struct {
    wxUint16 u;
    wxUint8  c;
} CharsetItem;


static int LINKAGEMODE CompareCharsetItems(const void *i1, const void *i2)
{
    return ( ((CharsetItem*)i1) -> u - ((CharsetItem*)i2) -> u );
}


static CharsetItem* LINKAGEMODE BuildReverseTable(wxUint16 *tbl)
{
    CharsetItem *rev = new CharsetItem[128];
    
    for (int i = 0; i < 128; i++)
        rev[i].c = 128 + i, rev[i].u = tbl[i];

    qsort(rev, 128, sizeof(CharsetItem), CompareCharsetItems);
    
    return rev;
}


wxEncodingConverter::wxEncodingConverter()
{
    m_Table = NULL;
    m_UnicodeInput = m_UnicodeOutput = FALSE;
    m_JustCopy = FALSE;
}


bool wxEncodingConverter::Init(wxFontEncoding input_enc, wxFontEncoding output_enc, int method)
{
    unsigned i;
    wxUint16 *in_tbl = NULL, *out_tbl = NULL;

    if (m_Table) {delete[] m_Table; m_Table = NULL;}

#if !wxUSE_UNICODE
    if (input_enc == wxFONTENCODING_UNICODE || output_enc == wxFONTENCODING_UNICODE) return FALSE;
#endif

    if (input_enc == output_enc) {m_JustCopy = TRUE; return TRUE;}
    
    m_UnicodeOutput = (output_enc == wxFONTENCODING_UNICODE);
    m_JustCopy = FALSE;
    
    if (input_enc == wxFONTENCODING_UNICODE)
    {
        if ((out_tbl = GetEncTable(output_enc)) == NULL) return FALSE;

        m_Table = new wxChar[65536];
        for (i = 0; i < 128; i++)  m_Table[i] = (wxChar)i; // 7bit ASCII
        for (i = 128; i < 65536; i++)  m_Table[i] = (wxChar)'?'; 
                // FIXME - this should be character that means `unicode to charset' impossible, not '?'

        if (method == wxCONVERT_SUBSTITUTE)
        {
            for (i = 0; i < encoding_unicode_fallback_count; i++)
                m_Table[encoding_unicode_fallback[i].c] = (wxChar) encoding_unicode_fallback[i].s;
        }

        for (i = 0; i < 128; i++)
            m_Table[out_tbl[i]] = (wxChar)(128 + i);

        m_UnicodeInput = TRUE;
        return TRUE;
    }
    
    else
    {
        if ((in_tbl = GetEncTable(input_enc)) == NULL) return FALSE;
        if (output_enc != wxFONTENCODING_UNICODE)
            if ((out_tbl = GetEncTable(output_enc)) == NULL) return FALSE;

        m_UnicodeInput = FALSE;
        
        m_Table = new wxChar[256];
        for (i = 0; i < 128; i++)  m_Table[i] = (wxChar)i; // 7bit ASCII
        
        if (output_enc == wxFONTENCODING_UNICODE)
        {
            for (i = 0; i < 128; i++)  m_Table[128 + i] = (wxChar)in_tbl[i]; // wxChar is 2byte now
            return TRUE;
        }
        else 
        {
            CharsetItem *rev = BuildReverseTable(out_tbl);
            CharsetItem *item, key;
            
            for (i = 0; i < 128; i++)  
            {
                key.u = in_tbl[i];
                item = (CharsetItem*) bsearch(&key, rev, 128, sizeof(CharsetItem), CompareCharsetItems);
                if (item == NULL && method == wxCONVERT_SUBSTITUTE)
                    item = (CharsetItem*) bsearch(&key, encoding_unicode_fallback, 
                                encoding_unicode_fallback_count, sizeof(CharsetItem), CompareCharsetItems);
                if (item)
                    m_Table[128 + i] = (wxChar)item -> c;
                else
                    m_Table[128 + i] = 128 + i; // don't know => don't touch
            }
            
            delete[] rev;
            return TRUE;
        }
    }
}


void wxEncodingConverter::Convert(const wxChar* input, wxChar* output)
{
    if (m_JustCopy)
    {
        wxStrcpy(output, input);
        return;
    }
    
    wxASSERT_MSG(m_Table != NULL, wxT("You must call wxEncodingConverter::Init() before actually converting!"));
    
    const wxChar *i;
    wxChar *o;
    
    if (m_UnicodeInput)
        for (i = input, o = output; *i != 0; i++, o++)
            *o = (wxChar)(m_Table[(wxUint16)*i]);
    else
        for (i = input, o = output; *i != 0; i++, o++)
            *o = (wxChar)(m_Table[(wxUint8)*i]);
    *o = 0;
}


#if wxUSE_UNICODE // otherwise wxChar === char

void wxEncodingConverter::Convert(const char* input, wxChar* output)
{
    wxASSERT_MSG(!m_UnicodeInput, wxT("You cannot convert from unicode if input is const char*!"));

    const char *i;
    wxChar *o;

    if (m_JustCopy)
    {
        for (i = input, o = output; *i != 0;)
            *(o++) = (wxChar)(*(i++));
        *o = 0;
        return;
    }
    
    wxASSERT_MSG(m_Table != NULL, wxT("You must call wxEncodingConverter::Init() before actually converting!"));
       
    for (i = input, o = output; *i != 0;)
        *(o++) = (wxChar)(m_Table[(wxUint8)*(i++)]);
    *o = 0;
}


void wxEncodingConverter::Convert(const wxChar* input, char* output)
{
    wxASSERT_MSG(!m_UnicodeOutput, wxT("You cannot convert to unicode if output is const char*!"));

    const wxChar *i;
    char *o;

    if (m_JustCopy)
    {
        for (i = input, o = output; *i != 0;)
            *(o++) = (char)(*(i++));
        *o = 0;
        return;
    }
    
    wxASSERT_MSG(m_Table != NULL, wxT("You must call wxEncodingConverter::Init() before actually converting!"));
       
    if (m_UnicodeInput)
        for (i = input, o = output; *i != 0; i++, o++)
            *o = (char)(m_Table[(wxUint16)*i]);
    else
        for (i = input, o = output; *i != 0; i++, o++)
            *o = (char)(m_Table[(wxUint8)*i]);
    *o = 0;
}


void wxEncodingConverter::Convert(const char* input, char* output)
{
    wxASSERT_MSG(!m_UnicodeOutput, wxT("You cannot convert to unicode if output is const char*!"));
    wxASSERT_MSG(!m_UnicodeInput, wxT("You cannot convert from unicode if input is const char*!"));

    const char *i;
    char *o;

    if (m_JustCopy)
    {
        strcpy(output, input);
        return;
    }
    
    wxASSERT_MSG(m_Table != NULL, wxT("You must call wxEncodingConverter::Init() before actually converting!"));
       
    for (i = input, o = output; *i != 0;)
        *(o++) = (char)(m_Table[(wxUint8)*(i++)]);
    *o = 0;
}

#endif // wxUSE_UNICODE


wxString wxEncodingConverter::Convert(const wxString& input)
{
    if (m_JustCopy) return input;
    
    wxString s;
    const wxChar *i;
    
    wxASSERT_MSG(m_Table != NULL, wxT("You must call wxEncodingConverter::Init() before actually converting!"));
    
    if (m_UnicodeInput)
        for (i = input.c_str(); *i != 0; i++)
            s << (wxChar)(m_Table[(wxUint16)*i]);
    else
        for (i = input.c_str(); *i != 0; i++)
            s << (wxChar)(m_Table[(wxUint8)*i]);
    return s;
}


// Following tables describe classes of encoding equivalence.
// 

#define STOP wxFONTENCODING_SYSTEM

#define NUM_OF_PLATFORMS  4 /*must conform to enum wxPLATFORM_XXXX !!!*/
#define ENC_PER_PLATFORM  5
           // max no. of encodings for one language used on one platform
           // Anybody thinks 5 is not enough? ;-)

static wxFontEncoding 
    EquivalentEncodings[][NUM_OF_PLATFORMS][ENC_PER_PLATFORM+1] = {

    // *** Please put more common encodings as first! ***

    // West European
    {
        /* unix    */ {wxFONTENCODING_ISO8859_1, wxFONTENCODING_ISO8859_15, STOP},
        /* windows */ {wxFONTENCODING_CP1252, STOP},
        /* os2     */ {STOP},
        /* mac     */ {STOP}   
    },

    // Central European
    {
        /* unix    */ {wxFONTENCODING_ISO8859_2, STOP},
        /* windows */ {wxFONTENCODING_CP1250, STOP},
        /* os2     */ {STOP},
        /* mac     */ {STOP}   
    },
    
    // Baltic
    {
        /* unix    */ {wxFONTENCODING_ISO8859_13, STOP},
        /* windows */ {wxFONTENCODING_CP1257, STOP},
        /* os2     */ {STOP},
        /* mac     */ {STOP}   
    },

    // Hebrew
    {
        /* unix    */ {wxFONTENCODING_ISO8859_8, STOP},
        /* windows */ {wxFONTENCODING_CP1255, STOP},
        /* os2     */ {STOP},
        /* mac     */ {STOP}   
    },

    // Greek
    {
        /* unix    */ {wxFONTENCODING_ISO8859_7, STOP},
        /* windows */ {wxFONTENCODING_CP1253, STOP},
        /* os2     */ {STOP},
        /* mac     */ {STOP}   
    },

    // Arabic
    {
        /* unix    */ {wxFONTENCODING_ISO8859_6, STOP},
        /* windows */ {wxFONTENCODING_CP1256, STOP},
        /* os2     */ {STOP},
        /* mac     */ {STOP}   
    },

    // Turkish
    {
        /* unix    */ {wxFONTENCODING_ISO8859_9, STOP},
        /* windows */ {wxFONTENCODING_CP1254, STOP},
        /* os2     */ {STOP},
        /* mac     */ {STOP}   
    },

    // Cyrillic
    {
        /* unix    */ {wxFONTENCODING_ISO8859_13, wxFONTENCODING_ISO8859_4,
                       wxFONTENCODING_ISO8859_15, wxFONTENCODING_ISO8859_1, STOP},
        /* windows */ {wxFONTENCODING_CP1257, wxFONTENCODING_CP1252, STOP},
        /* os2     */ {STOP},
        /* mac     */ {STOP}   
    },

    // Russia and other KOI-8 users:
    {
        /* unix    */ {wxFONTENCODING_KOI8, wxFONTENCODING_ISO8859_5, STOP},
        /* windows */ {wxFONTENCODING_CP1251, STOP},
        /* os2     */ {STOP},
        /* mac     */ {STOP}   
    },

    {{STOP},{STOP},{STOP},{STOP}} /* Terminator */
    /* no, _not_ Arnold! */
};


wxFontEncodingArray wxEncodingConverter::GetPlatformEquivalents(wxFontEncoding enc, int platform)
{
    if (platform == wxPLATFORM_CURRENT)
    {
#if defined(__WXMSW__)
        platform = wxPLATFORM_WINDOWS;
#elif defined(__WXGTK__) || defined(__WXMOTIF__)
        platform = wxPLATFORM_UNIX;
#elif defined(__WXOS2__)
        platform = wxPLATFORM_OS2;
#elif defined(__WXMAC__)
        platform = wxPLATFORM_MAC;
#endif
    }
    
    int i, clas, e ;
    wxFontEncoding *f;
    wxFontEncodingArray arr;

    clas = 0;
    while (EquivalentEncodings[clas][0][0] != STOP)
    {
        for (i = 0; i < NUM_OF_PLATFORMS; i++)
            for (e = 0; EquivalentEncodings[clas][i][e] != STOP; e++)
                if (EquivalentEncodings[clas][i][e] == enc)
                {
                    for (f = EquivalentEncodings[clas][platform]; *f != STOP; f++)
                        if (*f == enc) arr.Add(enc);
                    for (f = EquivalentEncodings[clas][platform]; *f != STOP; f++)
                        if (arr.Index(*f) == wxNOT_FOUND) arr.Add(*f);
                    i = NUM_OF_PLATFORMS/*hack*/; break; 
                }
        clas++;
    }
    
    return arr;
}


wxFontEncodingArray wxEncodingConverter::GetAllEquivalents(wxFontEncoding enc)
{
    int i, clas, e, j ;
    wxFontEncoding *f;
    wxFontEncodingArray arr;
    
    arr = GetPlatformEquivalents(enc); // we want them to be first items in array

    clas = 0;
    while (EquivalentEncodings[clas][0][0] != STOP)
    {
        for (i = 0; i < NUM_OF_PLATFORMS; i++)
            for (e = 0; EquivalentEncodings[clas][i][e] != STOP; e++)
                if (EquivalentEncodings[clas][i][e] == enc)
                {
                    for (j = 0; j < NUM_OF_PLATFORMS; j++)
                        for (f = EquivalentEncodings[clas][j]; *f != STOP; f++) 
                            if (arr.Index(*f) == wxNOT_FOUND) arr.Add(*f);                            
                    i = NUM_OF_PLATFORMS/*hack*/; break; 
                }
        clas++;
    }
    
    return arr;
}
Commit	Line	Data
c958260b VS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: encconv.cpp
	3	// Purpose: wxEncodingConverter class for converting between different
	4	// font encodings
	5	// Author: Vaclav Slavik
	6	// Copyright: (c) 1999 Vaclav Slavik
	7	// Licence: wxWindows Licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifdef __GNUG__
	11	#pragma implementation "encconv.h"
	12	#endif
	13
	14	// For compilers that support precompilation, includes "wx.h".
	15	#include "wx/wxprec.h"
	16
	17	#ifdef __BORLANDC__
	18	#pragma hdrstop
	19	#endif
	20
	21	#include "wx/encconv.h"
	22
	23	#include <stdlib.h>
	24
94fc5183 VS	25	// conversion tables, generated by scripts in $(WXWIN)/misc/unictabl:
	26	#ifdef __BORLANDC__
	27	#include "../common/unictabl.inc"
	28	#else
c958260b	29	#include "unictabl.inc"
94fc5183	30	#endif
c958260b VS	31
c958260b VS	32
eda22ec3	33	static wxUint16* LINKAGEMODE GetEncTable(wxFontEncoding enc)
c958260b VS	34	{
	35	for (int i = 0; encodings_list[i].table != NULL; i++)
	36	{
	37	if (encodings_list[i].encoding == enc)
	38	return encodings_list[i].table;
	39	}
	40	return NULL;
	41	}
	42
	43	typedef struct {
	44	wxUint16 u;
	45	wxUint8 c;
	46	} CharsetItem;
	47
	48
	49
eda22ec3	50	static int LINKAGEMODE CompareCharsetItems(const void i1, const void i2)
c958260b VS	51	{
	52	return ( ((CharsetItem)i1) -> u - ((CharsetItem)i2) -> u );
	53	}
	54
	55
eda22ec3	56	static CharsetItem* LINKAGEMODE BuildReverseTable(wxUint16 *tbl)
c958260b VS	57	{
	58	CharsetItem *rev = new CharsetItem[128];
	59
	60	for (int i = 0; i < 128; i++)
	61	rev[i].c = 128 + i, rev[i].u = tbl[i];
	62
	63	qsort(rev, 128, sizeof(CharsetItem), CompareCharsetItems);
	64
	65	return rev;
	66	}
	67
	68
	69
	70	wxEncodingConverter::wxEncodingConverter()
	71	{
	72	m_Table = NULL;
47e55c2f	73	m_UnicodeInput = m_UnicodeOutput = FALSE;
c958260b VS	74	m_JustCopy = FALSE;
	75	}
	76
	77
	78
	79	bool wxEncodingConverter::Init(wxFontEncoding input_enc, wxFontEncoding output_enc, int method)
	80	{
	81	unsigned i;
	82	wxUint16 in_tbl = NULL, out_tbl = NULL;
	83
	84	if (m_Table) {delete[] m_Table; m_Table = NULL;}
	85
	86	#if !wxUSE_UNICODE
	87	if (input_enc == wxFONTENCODING_UNICODE \|\| output_enc == wxFONTENCODING_UNICODE) return FALSE;
	88	#endif
	89
	90	if (input_enc == output_enc) {m_JustCopy = TRUE; return TRUE;}
	91
47e55c2f	92	m_UnicodeOutput = (output_enc == wxFONTENCODING_UNICODE);
c958260b VS	93	m_JustCopy = FALSE;
	94
	95	if (input_enc == wxFONTENCODING_UNICODE)
	96	{
	97	if ((out_tbl = GetEncTable(output_enc)) == NULL) return FALSE;
	98
	99	m_Table = new wxChar[65536];
	100	for (i = 0; i < 128; i++) m_Table[i] = (wxChar)i; // 7bit ASCII
	101	for (i = 128; i < 65536; i++) m_Table[i] = (wxChar)'?';
	102	// FIXME - this should be character that means `unicode to charset' impossible, not '?'
	103
	104	if (method == wxCONVERT_SUBSTITUTE)
	105	{
	106	for (i = 0; i < encoding_unicode_fallback_count; i++)
	107	m_Table[encoding_unicode_fallback[i].c] = (wxChar) encoding_unicode_fallback[i].s;
	108	}
	109
	110	for (i = 0; i < 128; i++)
	111	m_Table[out_tbl[i]] = (wxChar)(128 + i);
	112
	113	m_UnicodeInput = TRUE;
	114	return TRUE;
	115	}
	116
	117	else
	118	{
	119	if ((in_tbl = GetEncTable(input_enc)) == NULL) return FALSE;
	120	if (output_enc != wxFONTENCODING_UNICODE)
	121	if ((out_tbl = GetEncTable(output_enc)) == NULL) return FALSE;
	122
	123	m_UnicodeInput = FALSE;
	124
	125	m_Table = new wxChar[256];
	126	for (i = 0; i < 128; i++) m_Table[i] = (wxChar)i; // 7bit ASCII
	127
	128	if (output_enc == wxFONTENCODING_UNICODE)
	129	{
	130	for (i = 0; i < 128; i++) m_Table[128 + i] = (wxChar)in_tbl[i]; // wxChar is 2byte now
	131	return TRUE;
	132	}
	133	else
	134	{
	135	CharsetItem *rev = BuildReverseTable(out_tbl);
	136	CharsetItem *item, key;
	137
	138	for (i = 0; i < 128; i++)
	139	{
	140	key.u = in_tbl[i];
	141	item = (CharsetItem*) bsearch(&key, rev, 128, sizeof(CharsetItem), CompareCharsetItems);
	142	if (item == NULL && method == wxCONVERT_SUBSTITUTE)
	143	item = (CharsetItem*) bsearch(&key, encoding_unicode_fallback,
	144	encoding_unicode_fallback_count, sizeof(CharsetItem), CompareCharsetItems);
	145	if (item)
	146	m_Table[128 + i] = (wxChar)item -> c;
	147	else
	148	m_Table[128 + i] = 128 + i; // don't know => don't touch
	149	}
	150
	151	delete[] rev;
	152	return TRUE;
	153	}
	154	}
	155	}
	156
157
47e55c2f	158
c958260b VS	159	void wxEncodingConverter::Convert(const wxChar* input, wxChar* output)
	160	{
	161	if (m_JustCopy)
	162	{
	163	wxStrcpy(output, input);
	164	return;
	165	}
	166
	167	wxASSERT_MSG(m_Table != NULL, wxT("You must call wxEncodingConverter::Init() before actually converting!"));
	168
	169	const wxChar *i;
	170	wxChar *o;
	171
	172	if (m_UnicodeInput)
	173	for (i = input, o = output; *i != 0; i++, o++)
	174	o = (wxChar)(m_Table[(wxUint16)i]);
	175	else
	176	for (i = input, o = output; *i != 0; i++, o++)
	177	o = (wxChar)(m_Table[(wxUint8)i]);
	178	*o = 0;
	179	}
	180
	181
47e55c2f VS	182	#if wxUSE_UNICODE // otherwise wxChar === char
	183
	184	void wxEncodingConverter::Convert(const char* input, wxChar* output)
	185	{
	186	wxASSERT_MSG(!m_UnicodeInput, wxT("You cannot convert from unicode if input is const char*!"));
	187
	188	const char *i;
	189	wxChar *o;
	190
	191	if (m_JustCopy)
	192	{
	193	for (i = input, o = output; *i != 0;)
	194	(o++) = (wxChar)((i++));
	195	*o = 0;
	196	return;
	197	}
	198
	199	wxASSERT_MSG(m_Table != NULL, wxT("You must call wxEncodingConverter::Init() before actually converting!"));
	200
	201	for (i = input, o = output; *i != 0;)
	202	(o++) = (wxChar)(m_Table[(wxUint8)(i++)]);
	203	*o = 0;
	204	}
	205
	206
	207
	208	void wxEncodingConverter::Convert(const wxChar* input, char* output)
	209	{
	210	wxASSERT_MSG(!m_UnicodeOutput, wxT("You cannot convert to unicode if output is const char*!"));
	211
	212	const wxChar *i;
	213	char *o;
	214
	215	if (m_JustCopy)
	216	{
	217	for (i = input, o = output; *i != 0;)
	218	(o++) = (char)((i++));
	219	*o = 0;
	220	return;
	221	}
	222
	223	wxASSERT_MSG(m_Table != NULL, wxT("You must call wxEncodingConverter::Init() before actually converting!"));
	224
	225	if (m_UnicodeInput)
	226	for (i = input, o = output; *i != 0; i++, o++)
	227	o = (char)(m_Table[(wxUint16)i]);
	228	else
	229	for (i = input, o = output; *i != 0; i++, o++)
	230	o = (char)(m_Table[(wxUint8)i]);
	231	*o = 0;
	232	}
	233
	234
	235
	236	void wxEncodingConverter::Convert(const char* input, char* output)
	237	{
	238	wxASSERT_MSG(!m_UnicodeOutput, wxT("You cannot convert to unicode if output is const char*!"));
	239	wxASSERT_MSG(!m_UnicodeInput, wxT("You cannot convert from unicode if input is const char*!"));
	240
	241	const char *i;
	242	char *o;
	243
	244	if (m_JustCopy)
	245	{
246	strcpy(output, input);
247	return;
248	}
249
250	wxASSERT_MSG(m_Table != NULL, wxT("You must call wxEncodingConverter::Init() before actually converting!"));
251
252	for (i = input, o = output; *i != 0;)
253	(o++) = (char)(m_Table[(wxUint8)(i++)]);
254	*o = 0;
255	}
256
257	#endif // wxUSE_UNICODE
258
c958260b VS	259
	260	wxString wxEncodingConverter::Convert(const wxString& input)
	261	{
	262	if (m_JustCopy) return input;
	263
	264	wxString s;
	265	const wxChar *i;
	266
	267	wxASSERT_MSG(m_Table != NULL, wxT("You must call wxEncodingConverter::Init() before actually converting!"));
	268
	269	if (m_UnicodeInput)
	270	for (i = input.c_str(); *i != 0; i++)
	271	s << (wxChar)(m_Table[(wxUint16)*i]);
	272	else
	273	for (i = input.c_str(); *i != 0; i++)
	274	s << (wxChar)(m_Table[(wxUint8)*i]);
	275	return s;
	276	}
	277
	278
	279
	280
47e55c2f VS	281
	282
	283
c958260b VS	284	// Following tables describe classes of encoding equivalence.
	285	//
	286
	287	#define STOP wxFONTENCODING_SYSTEM
	288
	289	#define NUM_OF_PLATFORMS 4 /must conform to enum wxPLATFORM_XXXX !!!/
617eb021	290	#define ENC_PER_PLATFORM 5
c958260b	291	// max no. of encodings for one language used on one platform
617eb021	292	// Anybody thinks 5 is not enough? ;-)
c958260b VS	293
	294	static wxFontEncoding
	295	EquivalentEncodings[][NUM_OF_PLATFORMS][ENC_PER_PLATFORM+1] = {
	296
47e55c2f VS	297	// * Please put more common encodings as first! *
	298
	299	// West European
c958260b VS	300	{
	301	/* unix */ {wxFONTENCODING_ISO8859_1, wxFONTENCODING_ISO8859_15, STOP},
	302	/* windows */ {wxFONTENCODING_CP1252, STOP},
	303	/* os2 */ {STOP},
	304	/* mac */ {STOP}
	305	},
	306
47e55c2f	307	// Central European
c958260b VS	308	{
	309	/* unix */ {wxFONTENCODING_ISO8859_2, STOP},
	310	/* windows */ {wxFONTENCODING_CP1250, STOP},
	311	/* os2 */ {STOP},
	312	/* mac */ {STOP}
	313	},
47e55c2f VS	314
	315	// Baltic
	316	{
	317	/* unix */ {wxFONTENCODING_ISO8859_13, STOP},
	318	/* windows */ {wxFONTENCODING_CP1257, STOP},
	319	/* os2 */ {STOP},
	320	/* mac */ {STOP}
	321	},
	322
	323	// Hebrew
	324	{
	325	/* unix */ {wxFONTENCODING_ISO8859_8, STOP},
	326	/* windows */ {wxFONTENCODING_CP1255, STOP},
	327	/* os2 */ {STOP},
	328	/* mac */ {STOP}
	329	},
	330
	331	// Greek
	332	{
	333	/* unix */ {wxFONTENCODING_ISO8859_7, STOP},
	334	/* windows */ {wxFONTENCODING_CP1253, STOP},
	335	/* os2 */ {STOP},
	336	/* mac */ {STOP}
	337	},
	338
	339	// Arabic
	340	{
	341	/* unix */ {wxFONTENCODING_ISO8859_6, STOP},
	342	/* windows */ {wxFONTENCODING_CP1256, STOP},
	343	/* os2 */ {STOP},
	344	/* mac */ {STOP}
	345	},
	346
	347	// Turkish
	348	{
	349	/* unix */ {wxFONTENCODING_ISO8859_9, STOP},
	350	/* windows */ {wxFONTENCODING_CP1254, STOP},
	351	/* os2 */ {STOP},
	352	/* mac */ {STOP}
	353	},
	354
	355	// Cyrillic
	356	{
617eb021 VS	357	/* unix */ {wxFONTENCODING_ISO8859_13, wxFONTENCODING_ISO8859_4,
	358	wxFONTENCODING_ISO8859_15, wxFONTENCODING_ISO8859_1, STOP},
	359	/* windows */ {wxFONTENCODING_CP1257, wxFONTENCODING_CP1252, STOP},
3b61656e VS	360	/* os2 */ {STOP},
	361	/* mac */ {STOP}
	362	},
	363
	364	// Russia and other KOI-8 users:
	365	{
	366	/* unix */ {wxFONTENCODING_KOI8, wxFONTENCODING_ISO8859_5, STOP},
47e55c2f VS	367	/* windows */ {wxFONTENCODING_CP1251, STOP},
	368	/* os2 */ {STOP},
	369	/* mac */ {STOP}
	370	},
c958260b VS	371
	372	{{STOP},{STOP},{STOP},{STOP}} /* Terminator */
	373	/* no, _not_ Arnold! */
	374	};
	375
	376
	377
	378
	379	wxFontEncodingArray wxEncodingConverter::GetPlatformEquivalents(wxFontEncoding enc, int platform)
	380	{
	381	if (platform == wxPLATFORM_CURRENT)
	382	{
	383	#if defined(__WXMSW__)
	384	platform = wxPLATFORM_WINDOWS;
	385	#elif defined(__WXGTK__) \|\| defined(__WXMOTIF__)
	386	platform = wxPLATFORM_UNIX;
	387	#elif defined(__WXOS2__)
	388	platform = wxPLATFORM_OS2;
	389	#elif defined(__WXMAC__)
	390	platform = wxPLATFORM_MAC;
	391	#endif
	392	}
	393
	394	int i, clas, e ;
	395	wxFontEncoding *f;
	396	wxFontEncodingArray arr;
	397
	398	clas = 0;
	399	while (EquivalentEncodings[clas][0][0] != STOP)
	400	{
	401	for (i = 0; i < NUM_OF_PLATFORMS; i++)
	402	for (e = 0; EquivalentEncodings[clas][i][e] != STOP; e++)
	403	if (EquivalentEncodings[clas][i][e] == enc)
	404	{
47e55c2f VS	405	for (f = EquivalentEncodings[clas][platform]; *f != STOP; f++)
	406	if (*f == enc) arr.Add(enc);
	407	for (f = EquivalentEncodings[clas][platform]; *f != STOP; f++)
c958260b VS	408	if (arr.Index(f) == wxNOT_FOUND) arr.Add(f);
	409	i = NUM_OF_PLATFORMS/hack/; break;
	410	}
	411	clas++;
	412	}
	413
	414	return arr;
	415	}
	416
	417
	418
	419	wxFontEncodingArray wxEncodingConverter::GetAllEquivalents(wxFontEncoding enc)
	420	{
	421	int i, clas, e, j ;
	422	wxFontEncoding *f;
	423	wxFontEncodingArray arr;
47e55c2f VS	424
47e55c2f VS	425	arr = GetPlatformEquivalents(enc); // we want them to be first items in array
c958260b VS	426
	427	clas = 0;
	428	while (EquivalentEncodings[clas][0][0] != STOP)
	429	{
	430	for (i = 0; i < NUM_OF_PLATFORMS; i++)
	431	for (e = 0; EquivalentEncodings[clas][i][e] != STOP; e++)
	432	if (EquivalentEncodings[clas][i][e] == enc)
	433	{
	434	for (j = 0; j < NUM_OF_PLATFORMS; j++)
	435	for (f = EquivalentEncodings[clas][j]; *f != STOP; f++)
	436	if (arr.Index(f) == wxNOT_FOUND) arr.Add(f);
	437	i = NUM_OF_PLATFORMS/hack/; break;
	438	}
	439	clas++;
	440	}
	441
	442	return arr;
	443	}