src/html/winpars.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        winpars.cpp
// Purpose:     wxHtmlParser class (generic parser)
// Author:      Vaclav Slavik
// RCS-ID:      $Id$
// Copyright:   (c) 1999 Vaclav Slavik
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////


#ifdef __GNUG__
#pragma implementation
#endif

#include "wx/wxprec.h"

#include "wx/defs.h"
#if wxUSE_HTML && wxUSE_STREAMS

#ifdef __BORDLANDC__
#pragma hdrstop
#endif

#ifndef WXPRECOMP
#include "wx/wx.h"
#endif

#include "wx/html/htmldefs.h"
#include "wx/html/winpars.h"
#include "wx/html/htmlwin.h"
#include "wx/fontmap.h"
#include "wx/log.h"


//-----------------------------------------------------------------------------
// wxHtmlWinParser
//-----------------------------------------------------------------------------


wxList wxHtmlWinParser::m_Modules;

wxHtmlWinParser::wxHtmlWinParser(wxWindow *wnd) : wxHtmlParser()
{
    m_Window = wnd;
    m_Container = NULL;
    m_DC = NULL;
    m_CharHeight = m_CharWidth = 0;
    m_UseLink = FALSE;
    m_EncConv = NULL;
    m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;

    {
        int i, j, k, l, m;
        for (i = 0; i < 2; i++)
            for (j = 0; j < 2; j++)
                for (k = 0; k < 2; k++)
                    for (l = 0; l < 2; l++)
                        for (m = 0; m < 7; m++)
			            {
                            m_FontsTable[i][j][k][l][m] = NULL;
                            m_FontsFacesTable[i][j][k][l][m] = wxEmptyString;
                            m_FontsEncTable[i][j][k][l][m] = wxFONTENCODING_DEFAULT;
                        }
#ifdef __WXMSW__
        static int default_sizes[7] = {7, 8, 10, 12, 16, 22, 30};
#elif defined(__WXMAC__)
        static int default_sizes[7] = {9, 12, 14, 18, 24, 30, 36};
#else
        static int default_sizes[7] = {10, 12, 14, 16, 19, 24, 32};
#endif
        SetFonts("", "", default_sizes);
    }

    // fill in wxHtmlParser's tables:
    wxNode *node = m_Modules.GetFirst();
    while (node)
    {
        wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node->GetData();
        mod->FillHandlersTable(this);
        node = node->GetNext();
    }
}


wxHtmlWinParser::~wxHtmlWinParser()
{
    int i, j, k, l, m;

    for (i = 0; i < 2; i++)
        for (j = 0; j < 2; j++)
            for (k = 0; k < 2; k++)
                for (l = 0; l < 2; l++)
                    for (m = 0; m < 7; m++)
		            {
                        if (m_FontsTable[i][j][k][l][m] != NULL)
                            delete m_FontsTable[i][j][k][l][m];
                    }
    if (m_EncConv) delete m_EncConv;
}


void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
{
    m_Modules.Append(module);
}


void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
{
    m_Modules.DeleteObject(module);
}


void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
{
    int i, j, k, l, m;

    for (i = 0; i < 7; i++) m_FontsSizes[i] = sizes[i];
    m_FontFaceFixed = fixed_face;
    m_FontFaceNormal = normal_face;

    SetInputEncoding(m_InputEnc);

    for (i = 0; i < 2; i++)
        for (j = 0; j < 2; j++)
            for (k = 0; k < 2; k++)
                for (l = 0; l < 2; l++)
                    for (m = 0; m < 7; m++) {
                        if (m_FontsTable[i][j][k][l][m] != NULL)
			            {
                            delete m_FontsTable[i][j][k][l][m];
                            m_FontsTable[i][j][k][l][m] = NULL;
                        }
                    }
}


void wxHtmlWinParser::InitParser(const wxString& source)
{
    wxHtmlParser::InitParser(source);
    wxASSERT_MSG(m_DC != NULL, _T("no DC assigned to wxHtmlWinParser!!"));

    m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
    m_FontSize = 3; //default one
    CreateCurrentFont();           // we're selecting default font into
    m_DC->GetTextExtent("H", &m_CharWidth, &m_CharHeight);
                /* NOTE : we're not using GetCharWidth/Height() because
                   of differences under X and win
                 */

    m_UseLink = FALSE;
    m_Link = wxHtmlLinkInfo("", "");
    m_LinkColor.Set(0, 0, 0xFF);
    m_ActualColor.Set(0, 0, 0);
    m_Align = wxHTML_ALIGN_LEFT;
    m_tmpLastWasSpace = FALSE;

    OpenContainer();

    OpenContainer();
    m_Container->InsertCell(new wxHtmlColourCell(m_ActualColor));
    m_Container->InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
}


void wxHtmlWinParser::DoneParser()
{
    m_Container = NULL;
    SetInputEncoding(wxFONTENCODING_DEFAULT); // for next call
    wxHtmlParser::DoneParser();
}


wxObject* wxHtmlWinParser::GetProduct()
{
    wxHtmlContainerCell *top;

    CloseContainer();
    OpenContainer();

    top = m_Container;
    while (top->GetParent()) top = top->GetParent();
    return top;
}


void wxHtmlWinParser::AddText(const char* txt)
{
    wxHtmlCell *c;
    int i = 0, x, lng = strlen(txt);
    char temp[wxHTML_BUFLEN];
    register char d;
    int templen = 0;

    if (m_tmpLastWasSpace)
    {
        while ((i < lng) && ((txt[i] == '\n') || (txt[i] == '\r') || (txt[i] == ' ') || (txt[i] == '\t'))) i++;
    }

    while (i < lng)
    {
        x = 0;
        d = temp[templen++] = txt[i];
        if ((d == '\n') || (d == '\r') || (d == ' ') || (d == '\t'))
	    {
            i++, x++;
            while ((i < lng) && ((txt[i] == '\n') || (txt[i] == '\r') || (txt[i] == ' ') || (txt[i] == '\t'))) i++, x++;
        }
        else i++;

        if (x)
	    {
            temp[templen-1] = ' ';
            temp[templen] = 0;
            templen = 0;
            if (m_EncConv) m_EncConv->Convert(temp);
            c = new wxHtmlWordCell(temp, *(GetDC()));
            if (m_UseLink) c->SetLink(m_Link);
            m_Container->InsertCell(c);
            m_tmpLastWasSpace = TRUE;
        }
    }
    if (templen)
    {
        temp[templen] = 0;
        if (m_EncConv) m_EncConv->Convert(temp);
        c = new wxHtmlWordCell(temp, *(GetDC()));
        if (m_UseLink) c->SetLink(m_Link);
        m_Container->InsertCell(c);
        m_tmpLastWasSpace = FALSE;
    }
}


wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
{
    m_Container = new wxHtmlContainerCell(m_Container);
    m_Container->SetAlignHor(m_Align);
    m_tmpLastWasSpace = TRUE;
        /* to avoid space being first character in paragraph */
    return m_Container;
}


wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
{
    m_tmpLastWasSpace = TRUE;
        /* to avoid space being first character in paragraph */
    return m_Container = c;
}


wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
{
    m_Container = m_Container->GetParent();
    return m_Container;
}


void wxHtmlWinParser::SetFontSize(int s)
{
    if (s < 1) s = 1;
    else if (s > 7) s = 7;
    m_FontSize = s;
}


wxFont* wxHtmlWinParser::CreateCurrentFont()
{
    int fb = GetFontBold(),
        fi = GetFontItalic(),
        fu = GetFontUnderlined(),
        ff = GetFontFixed(),
        fs = GetFontSize() - 1 /*remap from <1;7> to <0;6>*/ ;

    wxString face = ff ? m_FontFaceFixed : m_FontFaceNormal;
    wxString *faceptr = &(m_FontsFacesTable[fb][fi][fu][ff][fs]);
    wxFont **fontptr = &(m_FontsTable[fb][fi][fu][ff][fs]);
    wxFontEncoding *encptr = &(m_FontsEncTable[fb][fi][fu][ff][fs]);

    if (*fontptr != NULL && (*faceptr != face || *encptr != m_OutputEnc))
    {
        delete *fontptr;
        *fontptr = NULL;
    }

    if (*fontptr == NULL)
    {
        *faceptr = face;
        *encptr = m_OutputEnc;
        *fontptr = new wxFont(
                       (int) (m_FontsSizes[fs] * m_PixelScale),
                       ff ? wxMODERN : wxSWISS,
                       fi ? wxITALIC : wxNORMAL,
                       fb ? wxBOLD : wxNORMAL,
                       fu ? TRUE : FALSE, face,
                       m_OutputEnc);
    }
    m_DC->SetFont(**fontptr);
    return (*fontptr);
}


void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
{
    m_Link = link;
    m_UseLink = (link.GetHref() != wxEmptyString);
}


void wxHtmlWinParser::SetFontFace(const wxString& face)
{
    if (GetFontFixed()) m_FontFaceFixed = face;
    else m_FontFaceNormal = face;

    if (m_InputEnc != wxFONTENCODING_DEFAULT)
        SetInputEncoding(m_InputEnc);
}


void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
{
    m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
    if (m_EncConv) {delete m_EncConv; m_EncConv = NULL;}

    if (enc == wxFONTENCODING_DEFAULT) return;

    wxFontEncoding altfix, altnorm;
    bool availfix, availnorm;

    // exact match?
    availnorm = wxTheFontMapper->IsEncodingAvailable(enc, m_FontFaceNormal);
    availfix = wxTheFontMapper->IsEncodingAvailable(enc, m_FontFaceFixed);
    if (availnorm && availfix)
        m_OutputEnc = enc;

    // alternatives?
    else if (wxTheFontMapper->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE) &&
             wxTheFontMapper->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, FALSE) &&
             altnorm == altfix)
        m_OutputEnc = altnorm;

    // at least normal face?
    else if (availnorm)
        m_OutputEnc = enc;
    else if (wxTheFontMapper->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE))
        m_OutputEnc = altnorm;

    // okay, let convert to ISO_8859-1, available always
    else
        m_OutputEnc = wxFONTENCODING_DEFAULT;

    m_InputEnc = enc;

    if (m_InputEnc == m_OutputEnc) return;

    m_EncConv = new wxEncodingConverter();
    if (!m_EncConv->Init(m_InputEnc,
                           (m_OutputEnc == wxFONTENCODING_DEFAULT) ?
                                      wxFONTENCODING_ISO8859_1 : m_OutputEnc,
                           wxCONVERT_SUBSTITUTE))
    { // total failture :-(
        wxLogError(_("Failed to display HTML document in %s encoding"),
	           wxFontMapper::GetEncodingName(enc).c_str());
        m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
        delete m_EncConv;
        m_EncConv = NULL;
    }
}


//-----------------------------------------------------------------------------
// wxHtmlWinTagHandler
//-----------------------------------------------------------------------------

IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler, wxHtmlTagHandler)


//-----------------------------------------------------------------------------
// wxHtmlTagsModule
//-----------------------------------------------------------------------------


IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule, wxModule)


bool wxHtmlTagsModule::OnInit()
{
    wxHtmlWinParser::AddModule(this);
    return TRUE;
}


void wxHtmlTagsModule::OnExit()
{
    wxHtmlWinParser::RemoveModule(this);
}
#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: winpars.cpp
	3	// Purpose: wxHtmlParser class (generic parser)
	4	// Author: Vaclav Slavik
	5	// RCS-ID: $Id$
	6	// Copyright: (c) 1999 Vaclav Slavik
	7	// Licence: wxWindows Licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10
	11	#ifdef __GNUG__
	12	#pragma implementation
	13	#endif
	14
	15	#include "wx/wxprec.h"
	16
	17	#include "wx/defs.h"
	18	#if wxUSE_HTML && wxUSE_STREAMS
	19
	20	#ifdef __BORDLANDC__
	21	#pragma hdrstop
	22	#endif
	23
	24	#ifndef WXPRECOMP
	25	#include "wx/wx.h"
	26	#endif
	27
	28	#include "wx/html/htmldefs.h"
	29	#include "wx/html/winpars.h"
	30	#include "wx/html/htmlwin.h"
	31	#include "wx/fontmap.h"
	32	#include "wx/log.h"
	33
	34
	35	//-----------------------------------------------------------------------------
	36	// wxHtmlWinParser
	37	//-----------------------------------------------------------------------------
	38
	39
	40	wxList wxHtmlWinParser::m_Modules;
	41
	42	wxHtmlWinParser::wxHtmlWinParser(wxWindow *wnd) : wxHtmlParser()
	43	{
	44	m_Window = wnd;
	45	m_Container = NULL;
	46	m_DC = NULL;
	47	m_CharHeight = m_CharWidth = 0;
	48	m_UseLink = FALSE;
	49	m_EncConv = NULL;
	50	m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
	51
	52	{
	53	int i, j, k, l, m;
	54	for (i = 0; i < 2; i++)
	55	for (j = 0; j < 2; j++)
	56	for (k = 0; k < 2; k++)
	57	for (l = 0; l < 2; l++)
	58	for (m = 0; m < 7; m++)
	59	{
	60	m_FontsTable[i][j][k][l][m] = NULL;
	61	m_FontsFacesTable[i][j][k][l][m] = wxEmptyString;
	62	m_FontsEncTable[i][j][k][l][m] = wxFONTENCODING_DEFAULT;
	63	}
	64	#ifdef __WXMSW__
	65	static int default_sizes[7] = {7, 8, 10, 12, 16, 22, 30};
	66	#elif defined(__WXMAC__)
	67	static int default_sizes[7] = {9, 12, 14, 18, 24, 30, 36};
	68	#else
	69	static int default_sizes[7] = {10, 12, 14, 16, 19, 24, 32};
	70	#endif
	71	SetFonts("", "", default_sizes);
	72	}
	73
	74	// fill in wxHtmlParser's tables:
	75	wxNode *node = m_Modules.GetFirst();
	76	while (node)
	77	{
	78	wxHtmlTagsModule mod = (wxHtmlTagsModule) node->GetData();
	79	mod->FillHandlersTable(this);
	80	node = node->GetNext();
	81	}
	82	}
	83
	84
	85	wxHtmlWinParser::~wxHtmlWinParser()
	86	{
	87	int i, j, k, l, m;
	88
	89	for (i = 0; i < 2; i++)
	90	for (j = 0; j < 2; j++)
	91	for (k = 0; k < 2; k++)
	92	for (l = 0; l < 2; l++)
	93	for (m = 0; m < 7; m++)
	94	{
	95	if (m_FontsTable[i][j][k][l][m] != NULL)
	96	delete m_FontsTable[i][j][k][l][m];
	97	}
	98	if (m_EncConv) delete m_EncConv;
	99	}
	100
	101
	102	void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
	103	{
	104	m_Modules.Append(module);
	105	}
	106
	107
	108
	109	void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
	110	{
	111	m_Modules.DeleteObject(module);
	112	}
	113
	114
	115
	116	void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
	117	{
	118	int i, j, k, l, m;
	119
	120	for (i = 0; i < 7; i++) m_FontsSizes[i] = sizes[i];
	121	m_FontFaceFixed = fixed_face;
	122	m_FontFaceNormal = normal_face;
	123
	124	SetInputEncoding(m_InputEnc);
	125
	126	for (i = 0; i < 2; i++)
	127	for (j = 0; j < 2; j++)
	128	for (k = 0; k < 2; k++)
	129	for (l = 0; l < 2; l++)
	130	for (m = 0; m < 7; m++) {
	131	if (m_FontsTable[i][j][k][l][m] != NULL)
	132	{
	133	delete m_FontsTable[i][j][k][l][m];
	134	m_FontsTable[i][j][k][l][m] = NULL;
	135	}
	136	}
	137	}
	138
	139
	140
	141	void wxHtmlWinParser::InitParser(const wxString& source)
	142	{
	143	wxHtmlParser::InitParser(source);
	144	wxASSERT_MSG(m_DC != NULL, _T("no DC assigned to wxHtmlWinParser!!"));
	145
	146	m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
	147	m_FontSize = 3; //default one
	148	CreateCurrentFont(); // we're selecting default font into
	149	m_DC->GetTextExtent("H", &m_CharWidth, &m_CharHeight);
	150	/* NOTE : we're not using GetCharWidth/Height() because
	151	of differences under X and win
	152	*/
	153
	154	m_UseLink = FALSE;
	155	m_Link = wxHtmlLinkInfo("", "");
	156	m_LinkColor.Set(0, 0, 0xFF);
	157	m_ActualColor.Set(0, 0, 0);
	158	m_Align = wxHTML_ALIGN_LEFT;
	159	m_tmpLastWasSpace = FALSE;
	160
	161	OpenContainer();
	162
	163	OpenContainer();
	164	m_Container->InsertCell(new wxHtmlColourCell(m_ActualColor));
	165	m_Container->InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
	166	}
	167
	168
	169
	170	void wxHtmlWinParser::DoneParser()
	171	{
	172	m_Container = NULL;
	173	SetInputEncoding(wxFONTENCODING_DEFAULT); // for next call
	174	wxHtmlParser::DoneParser();
	175	}
	176
	177
	178
	179	wxObject* wxHtmlWinParser::GetProduct()
	180	{
	181	wxHtmlContainerCell *top;
	182
	183	CloseContainer();
	184	OpenContainer();
	185
	186	top = m_Container;
	187	while (top->GetParent()) top = top->GetParent();
	188	return top;
	189	}
	190
	191
	192
	193	void wxHtmlWinParser::AddText(const char* txt)
	194	{
	195	wxHtmlCell *c;
	196	int i = 0, x, lng = strlen(txt);
	197	char temp[wxHTML_BUFLEN];
	198	register char d;
	199	int templen = 0;
	200
	201	if (m_tmpLastWasSpace)
	202	{
	203	while ((i < lng) && ((txt[i] == '\n') \|\| (txt[i] == '\r') \|\| (txt[i] == ' ') \|\| (txt[i] == '\t'))) i++;
	204	}
	205
	206	while (i < lng)
	207	{
	208	x = 0;
	209	d = temp[templen++] = txt[i];
	210	if ((d == '\n') \|\| (d == '\r') \|\| (d == ' ') \|\| (d == '\t'))
	211	{
	212	i++, x++;
	213	while ((i < lng) && ((txt[i] == '\n') \|\| (txt[i] == '\r') \|\| (txt[i] == ' ') \|\| (txt[i] == '\t'))) i++, x++;
	214	}
	215	else i++;
	216
	217	if (x)
	218	{
	219	temp[templen-1] = ' ';
	220	temp[templen] = 0;
	221	templen = 0;
	222	if (m_EncConv) m_EncConv->Convert(temp);
	223	c = new wxHtmlWordCell(temp, *(GetDC()));
	224	if (m_UseLink) c->SetLink(m_Link);
	225	m_Container->InsertCell(c);
	226	m_tmpLastWasSpace = TRUE;
	227	}
	228	}
	229	if (templen)
	230	{
	231	temp[templen] = 0;
	232	if (m_EncConv) m_EncConv->Convert(temp);
	233	c = new wxHtmlWordCell(temp, *(GetDC()));
	234	if (m_UseLink) c->SetLink(m_Link);
	235	m_Container->InsertCell(c);
	236	m_tmpLastWasSpace = FALSE;
	237	}
	238	}
	239
	240
	241
	242	wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
	243	{
	244	m_Container = new wxHtmlContainerCell(m_Container);
	245	m_Container->SetAlignHor(m_Align);
	246	m_tmpLastWasSpace = TRUE;
	247	/* to avoid space being first character in paragraph */
	248	return m_Container;
	249	}
	250
	251
	252
	253	wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
	254	{
	255	m_tmpLastWasSpace = TRUE;
	256	/* to avoid space being first character in paragraph */
	257	return m_Container = c;
	258	}
	259
	260
	261
	262	wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
	263	{
	264	m_Container = m_Container->GetParent();
	265	return m_Container;
	266	}
	267
	268
	269	void wxHtmlWinParser::SetFontSize(int s)
	270	{
	271	if (s < 1) s = 1;
	272	else if (s > 7) s = 7;
	273	m_FontSize = s;
	274	}
	275
	276
	277
	278	wxFont* wxHtmlWinParser::CreateCurrentFont()
	279	{
	280	int fb = GetFontBold(),
	281	fi = GetFontItalic(),
	282	fu = GetFontUnderlined(),
	283	ff = GetFontFixed(),
	284	fs = GetFontSize() - 1 /remap from <1;7> to <0;6>/ ;
	285
	286	wxString face = ff ? m_FontFaceFixed : m_FontFaceNormal;
	287	wxString *faceptr = &(m_FontsFacesTable[fb][fi][fu][ff][fs]);
	288	wxFont **fontptr = &(m_FontsTable[fb][fi][fu][ff][fs]);
	289	wxFontEncoding *encptr = &(m_FontsEncTable[fb][fi][fu][ff][fs]);
	290
	291	if (fontptr != NULL && (faceptr != face \|\| *encptr != m_OutputEnc))
	292	{
	293	delete *fontptr;
	294	*fontptr = NULL;
	295	}
	296
	297	if (*fontptr == NULL)
	298	{
	299	*faceptr = face;
	300	*encptr = m_OutputEnc;
	301	*fontptr = new wxFont(
	302	(int) (m_FontsSizes[fs] * m_PixelScale),
	303	ff ? wxMODERN : wxSWISS,
	304	fi ? wxITALIC : wxNORMAL,
	305	fb ? wxBOLD : wxNORMAL,
	306	fu ? TRUE : FALSE, face,
	307	m_OutputEnc);
	308	}
	309	m_DC->SetFont(**fontptr);
	310	return (*fontptr);
	311	}
	312
	313
	314
	315	void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
	316	{
	317	m_Link = link;
	318	m_UseLink = (link.GetHref() != wxEmptyString);
	319	}
	320
	321
	322	void wxHtmlWinParser::SetFontFace(const wxString& face)
	323	{
	324	if (GetFontFixed()) m_FontFaceFixed = face;
	325	else m_FontFaceNormal = face;
	326
	327	if (m_InputEnc != wxFONTENCODING_DEFAULT)
	328	SetInputEncoding(m_InputEnc);
	329	}
	330
	331
	332
	333	void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
	334	{
	335	m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
	336	if (m_EncConv) {delete m_EncConv; m_EncConv = NULL;}
	337
	338	if (enc == wxFONTENCODING_DEFAULT) return;
	339
	340	wxFontEncoding altfix, altnorm;
	341	bool availfix, availnorm;
	342
	343	// exact match?
	344	availnorm = wxTheFontMapper->IsEncodingAvailable(enc, m_FontFaceNormal);
	345	availfix = wxTheFontMapper->IsEncodingAvailable(enc, m_FontFaceFixed);
	346	if (availnorm && availfix)
	347	m_OutputEnc = enc;
	348
	349	// alternatives?
	350	else if (wxTheFontMapper->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE) &&
	351	wxTheFontMapper->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, FALSE) &&
	352	altnorm == altfix)
	353	m_OutputEnc = altnorm;
	354
	355	// at least normal face?
	356	else if (availnorm)
	357	m_OutputEnc = enc;
	358	else if (wxTheFontMapper->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE))
	359	m_OutputEnc = altnorm;
	360
	361	// okay, let convert to ISO_8859-1, available always
	362	else
	363	m_OutputEnc = wxFONTENCODING_DEFAULT;
	364
	365	m_InputEnc = enc;
	366
	367	if (m_InputEnc == m_OutputEnc) return;
	368
	369	m_EncConv = new wxEncodingConverter();
	370	if (!m_EncConv->Init(m_InputEnc,
	371	(m_OutputEnc == wxFONTENCODING_DEFAULT) ?
	372	wxFONTENCODING_ISO8859_1 : m_OutputEnc,
	373	wxCONVERT_SUBSTITUTE))
	374	{ // total failture :-(
	375	wxLogError(_("Failed to display HTML document in %s encoding"),
	376	wxFontMapper::GetEncodingName(enc).c_str());
	377	m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
	378	delete m_EncConv;
	379	m_EncConv = NULL;
	380	}
	381	}
	382
	383
	384
	385
	386
	387	//-----------------------------------------------------------------------------
	388	// wxHtmlWinTagHandler
	389	//-----------------------------------------------------------------------------
	390
	391	IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler, wxHtmlTagHandler)
	392
	393
	394
	395	//-----------------------------------------------------------------------------
	396	// wxHtmlTagsModule
	397	//-----------------------------------------------------------------------------
	398
	399
	400	IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule, wxModule)
	401
	402
	403	bool wxHtmlTagsModule::OnInit()
	404	{
	405	wxHtmlWinParser::AddModule(this);
	406	return TRUE;
	407	}
	408
	409
	410
	411	void wxHtmlTagsModule::OnExit()
	412	{
	413	wxHtmlWinParser::RemoveModule(this);
	414	}
	415	#endif
	416