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 "winpars.h"
#endif

#include "wx/wxprec.h"

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

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WXPRECOMP
    #include "wx/intl.h"
    #include "wx/dc.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(wxHtmlWindow *wnd) : wxHtmlParser()
{
    m_tmpStrBuf = NULL;
    m_tmpStrBufSize = 0;
    m_Window = wnd;
    m_Container = NULL;
    m_DC = NULL;
    m_CharHeight = m_CharWidth = 0;
    m_UseLink = FALSE;
#if !wxUSE_UNICODE
    m_EncConv = NULL;
    m_InputEnc = wxFONTENCODING_ISO8859_1;
    m_OutputEnc = wxFONTENCODING_DEFAULT;
#endif

    {
        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;
#if !wxUSE_UNICODE
                            m_FontsEncTable[i][j][k][l][m] = wxFONTENCODING_DEFAULT;
#endif
                        }

        SetFonts(wxEmptyString, wxEmptyString, NULL);
    }

    // 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 !wxUSE_UNICODE
    delete m_EncConv;
#endif
    delete[] m_tmpStrBuf;
}

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)
{
    static int default_sizes[7] =
        {
            wxHTML_FONT_SIZE_1,
			wxHTML_FONT_SIZE_2,
			wxHTML_FONT_SIZE_3,
			wxHTML_FONT_SIZE_4,
			wxHTML_FONT_SIZE_5,
			wxHTML_FONT_SIZE_6,
			wxHTML_FONT_SIZE_7
        };

    if (sizes == NULL) sizes = default_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;

#if !wxUSE_UNICODE
    SetInputEncoding(m_InputEnc);
#endif

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

    OpenContainer();
    OpenContainer();

#if !wxUSE_UNICODE
    wxString charset = ExtractCharsetInformation(source);
    if (!charset.empty())
    {
        wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(charset);
        if (enc != wxFONTENCODING_SYSTEM)
          SetInputEncoding(enc);
    }
#endif

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

void wxHtmlWinParser::DoneParser()
{
    m_Container = NULL;
#if !wxUSE_UNICODE
    SetInputEncoding(wxFONTENCODING_ISO8859_1); // for next call
#endif
    wxHtmlParser::DoneParser();
}

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

    CloseContainer();
    OpenContainer();

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

wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
                                   const wxString& url) const
{
    // FIXME - normalize the URL to full path before passing to
    //         OnOpeningURL!!
    if ( m_Window )
    {
        wxString myurl(url);
        wxHtmlOpeningStatus status;
        for (;;)
        {
            wxString redirect;
            status = m_Window->OnOpeningURL(type, myurl, &redirect);
            if ( status != wxHTML_REDIRECT )
                break;

            myurl = redirect;
        }

        if ( status == wxHTML_BLOCK )
            return NULL;

        return GetFS()->OpenFile(myurl);
    }

    return wxHtmlParser::OpenURL(type, url);
}

void wxHtmlWinParser::AddText(const wxChar* txt)
{
    wxHtmlCell *c;
    size_t i = 0,
           x,
           lng = wxStrlen(txt);
    register wxChar d;
    int templen = 0;
    wxChar nbsp = GetEntitiesParser()->GetCharForCode(160 /* nbsp */);

    if (lng+1 > m_tmpStrBufSize)
    {
        delete[] m_tmpStrBuf;
        m_tmpStrBuf = new wxChar[lng+1];
        m_tmpStrBufSize = lng+1;
    }
    wxChar *temp = m_tmpStrBuf;

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

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

        if (x)
        {
            temp[templen-1] = wxT(' ');
            temp[templen] = 0;
#if 0 // VS - WHY was this here?!
            if (templen == 1) continue;
#endif
            templen = 0;
#if !wxUSE_UNICODE
            if (m_EncConv)
                m_EncConv->Convert(temp);
#endif
            size_t len = wxStrlen(temp);
            for (size_t j = 0; j < len; j++)
                if (temp[j] == nbsp)
                    temp[j] = wxT(' ');
            c = new wxHtmlWordCell(temp, *(GetDC()));
            if (m_UseLink)
                c->SetLink(m_Link);
            m_Container->InsertCell(c);
            m_tmpLastWasSpace = TRUE;
        }
    }

    if (templen && (templen > 1 || temp[0] != wxT(' ')))
    {
        temp[templen] = 0;
#if !wxUSE_UNICODE
        if (m_EncConv)
            m_EncConv->Convert(temp);
#endif
        size_t len = wxStrlen(temp);
        for (size_t j = 0; j < len; j++)
            if (temp[j] == nbsp)
                temp[j] = wxT(' ');
        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]);
#if !wxUSE_UNICODE
    wxFontEncoding *encptr = &(m_FontsEncTable[fb][fi][fu][ff][fs]);
#endif

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

    if (*fontptr == NULL)
    {
        *faceptr = face;
        *fontptr = new wxFont(
                       (int) (m_FontsSizes[fs] * m_PixelScale),
                       ff ? wxMODERN : wxSWISS,
                       fi ? wxITALIC : wxNORMAL,
                       fb ? wxBOLD : wxNORMAL,
                       fu ? TRUE : FALSE, face
#if wxUSE_UNICODE
                       );
#else
                       , m_OutputEnc);
        *encptr = m_OutputEnc;
#endif
    }
    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 !wxUSE_UNICODE
    if (m_InputEnc != wxFONTENCODING_DEFAULT)
        SetInputEncoding(m_InputEnc);
#endif
}


#if !wxUSE_UNICODE
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 = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceNormal);
    availfix = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceFixed);
    if (availnorm && availfix)
        m_OutputEnc = enc;

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

    // at least normal face?
    else if (availnorm)
        m_OutputEnc = enc;
    else if (wxFontMapper::Get()->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_OutputEnc == wxFONTENCODING_DEFAULT)
        GetEntitiesParser()->SetEncoding(wxFONTENCODING_SYSTEM);
    else
        GetEntitiesParser()->SetEncoding(m_OutputEnc);

    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;
    }
}
#endif


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

IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler, wxHtmlTagHandler)

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

// NB: This is *NOT* winpars.cpp's initialization and shutdown code!!
//     This module is an ancestor for tag handlers modules defined
//     in m_*.cpp files with TAGS_MODULE_BEGIN...TAGS_MODULE_END construct.
//
//     Do not add any winpars.cpp shutdown or initialization code to it,
//     create a new module instead!

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 "winpars.h"
	13	#endif
	14
	15	#include "wx/wxprec.h"
	16
	17	#include "wx/defs.h"
	18	#if wxUSE_HTML && wxUSE_STREAMS
	19
	20	#ifdef __BORLANDC__
	21	#pragma hdrstop
	22	#endif
	23
	24	#ifndef WXPRECOMP
	25	#include "wx/intl.h"
	26	#include "wx/dc.h"
	27	#endif
	28
	29	#include "wx/html/htmldefs.h"
	30	#include "wx/html/winpars.h"
	31	#include "wx/html/htmlwin.h"
	32	#include "wx/fontmap.h"
	33	#include "wx/log.h"
	34
	35
	36	//-----------------------------------------------------------------------------
	37	// wxHtmlWinParser
	38	//-----------------------------------------------------------------------------
	39
	40
	41	wxList wxHtmlWinParser::m_Modules;
	42
	43	wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindow *wnd) : wxHtmlParser()
	44	{
	45	m_tmpStrBuf = NULL;
	46	m_tmpStrBufSize = 0;
	47	m_Window = wnd;
	48	m_Container = NULL;
	49	m_DC = NULL;
	50	m_CharHeight = m_CharWidth = 0;
	51	m_UseLink = FALSE;
	52	#if !wxUSE_UNICODE
	53	m_EncConv = NULL;
	54	m_InputEnc = wxFONTENCODING_ISO8859_1;
	55	m_OutputEnc = wxFONTENCODING_DEFAULT;
	56	#endif
	57
	58	{
	59	int i, j, k, l, m;
	60	for (i = 0; i < 2; i++)
	61	for (j = 0; j < 2; j++)
	62	for (k = 0; k < 2; k++)
	63	for (l = 0; l < 2; l++)
	64	for (m = 0; m < 7; m++)
	65	{
	66	m_FontsTable[i][j][k][l][m] = NULL;
	67	m_FontsFacesTable[i][j][k][l][m] = wxEmptyString;
	68	#if !wxUSE_UNICODE
	69	m_FontsEncTable[i][j][k][l][m] = wxFONTENCODING_DEFAULT;
	70	#endif
	71	}
	72
	73	SetFonts(wxEmptyString, wxEmptyString, NULL);
	74	}
	75
	76	// fill in wxHtmlParser's tables:
	77	wxNode *node = m_Modules.GetFirst();
	78	while (node)
	79	{
	80	wxHtmlTagsModule mod = (wxHtmlTagsModule) node->GetData();
	81	mod->FillHandlersTable(this);
	82	node = node->GetNext();
	83	}
	84	}
	85
	86	wxHtmlWinParser::~wxHtmlWinParser()
	87	{
	88	int i, j, k, l, m;
	89
	90	for (i = 0; i < 2; i++)
	91	for (j = 0; j < 2; j++)
	92	for (k = 0; k < 2; k++)
	93	for (l = 0; l < 2; l++)
	94	for (m = 0; m < 7; m++)
	95	{
	96	if (m_FontsTable[i][j][k][l][m] != NULL)
	97	delete m_FontsTable[i][j][k][l][m];
	98	}
	99	#if !wxUSE_UNICODE
	100	delete m_EncConv;
	101	#endif
	102	delete[] m_tmpStrBuf;
	103	}
	104
	105	void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
	106	{
	107	m_Modules.Append(module);
	108	}
	109
	110	void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
	111	{
	112	m_Modules.DeleteObject(module);
	113	}
	114
	115	void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face,
	116	const int *sizes)
	117	{
	118	static int default_sizes[7] =
	119	{
	120	wxHTML_FONT_SIZE_1,
	121	wxHTML_FONT_SIZE_2,
	122	wxHTML_FONT_SIZE_3,
	123	wxHTML_FONT_SIZE_4,
	124	wxHTML_FONT_SIZE_5,
	125	wxHTML_FONT_SIZE_6,
	126	wxHTML_FONT_SIZE_7
	127	};
	128
	129	if (sizes == NULL) sizes = default_sizes;
	130
	131	int i, j, k, l, m;
	132
	133	for (i = 0; i < 7; i++) m_FontsSizes[i] = sizes[i];
	134	m_FontFaceFixed = fixed_face;
	135	m_FontFaceNormal = normal_face;
	136
	137	#if !wxUSE_UNICODE
	138	SetInputEncoding(m_InputEnc);
	139	#endif
	140
	141	for (i = 0; i < 2; i++)
	142	for (j = 0; j < 2; j++)
	143	for (k = 0; k < 2; k++)
	144	for (l = 0; l < 2; l++)
	145	for (m = 0; m < 7; m++) {
	146	if (m_FontsTable[i][j][k][l][m] != NULL)
	147	{
	148	delete m_FontsTable[i][j][k][l][m];
	149	m_FontsTable[i][j][k][l][m] = NULL;
	150	}
	151	}
	152	}
	153
	154	void wxHtmlWinParser::InitParser(const wxString& source)
	155	{
	156	wxHtmlParser::InitParser(source);
	157	wxASSERT_MSG(m_DC != NULL, wxT("no DC assigned to wxHtmlWinParser!!"));
	158
	159	m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
	160	m_FontSize = 3; //default one
	161	CreateCurrentFont(); // we're selecting default font into
	162	m_DC->GetTextExtent( wxT("H"), &m_CharWidth, &m_CharHeight);
	163	/* NOTE : we're not using GetCharWidth/Height() because
	164	of differences under X and win
	165	*/
	166
	167	m_UseLink = FALSE;
	168	m_Link = wxHtmlLinkInfo( wxT(""), wxT("") );
	169	m_LinkColor.Set(0, 0, 0xFF);
	170	m_ActualColor.Set(0, 0, 0);
	171	m_Align = wxHTML_ALIGN_LEFT;
	172	m_tmpLastWasSpace = FALSE;
	173
	174	OpenContainer();
	175	OpenContainer();
	176
	177	#if !wxUSE_UNICODE
	178	wxString charset = ExtractCharsetInformation(source);
	179	if (!charset.empty())
	180	{
	181	wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(charset);
	182	if (enc != wxFONTENCODING_SYSTEM)
	183	SetInputEncoding(enc);
	184	}
	185	#endif
	186
	187	m_Container->InsertCell(new wxHtmlColourCell(m_ActualColor));
	188	m_Container->InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
	189	}
	190
	191	void wxHtmlWinParser::DoneParser()
	192	{
	193	m_Container = NULL;
	194	#if !wxUSE_UNICODE
	195	SetInputEncoding(wxFONTENCODING_ISO8859_1); // for next call
	196	#endif
	197	wxHtmlParser::DoneParser();
	198	}
	199
	200	wxObject* wxHtmlWinParser::GetProduct()
	201	{
	202	wxHtmlContainerCell *top;
	203
	204	CloseContainer();
	205	OpenContainer();
	206
	207	top = m_Container;
	208	while (top->GetParent()) top = top->GetParent();
	209	return top;
	210	}
	211
	212	wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
	213	const wxString& url) const
	214	{
	215	// FIXME - normalize the URL to full path before passing to
	216	// OnOpeningURL!!
	217	if ( m_Window )
	218	{
	219	wxString myurl(url);
	220	wxHtmlOpeningStatus status;
	221	for (;;)
	222	{
	223	wxString redirect;
	224	status = m_Window->OnOpeningURL(type, myurl, &redirect);
	225	if ( status != wxHTML_REDIRECT )
	226	break;
	227
	228	myurl = redirect;
	229	}
	230
	231	if ( status == wxHTML_BLOCK )
	232	return NULL;
	233
	234	return GetFS()->OpenFile(myurl);
	235	}
	236
	237	return wxHtmlParser::OpenURL(type, url);
	238	}
	239
	240	void wxHtmlWinParser::AddText(const wxChar* txt)
	241	{
	242	wxHtmlCell *c;
	243	size_t i = 0,
	244	x,
	245	lng = wxStrlen(txt);
	246	register wxChar d;
	247	int templen = 0;
	248	wxChar nbsp = GetEntitiesParser()->GetCharForCode(160 /* nbsp */);
	249
	250	if (lng+1 > m_tmpStrBufSize)
	251	{
	252	delete[] m_tmpStrBuf;
	253	m_tmpStrBuf = new wxChar[lng+1];
	254	m_tmpStrBufSize = lng+1;
	255	}
	256	wxChar *temp = m_tmpStrBuf;
	257
	258	if (m_tmpLastWasSpace)
	259	{
	260	while ((i < lng) &&
	261	((txt[i] == wxT('\n')) \|\| (txt[i] == wxT('\r')) \|\| (txt[i] == wxT(' ')) \|\|
	262	(txt[i] == wxT('\t')))) i++;
	263	}
	264
	265	while (i < lng)
	266	{
	267	x = 0;
	268	d = temp[templen++] = txt[i];
	269	if ((d == wxT('\n')) \|\| (d == wxT('\r')) \|\| (d == wxT(' ')) \|\| (d == wxT('\t')))
	270	{
	271	i++, x++;
	272	while ((i < lng) && ((txt[i] == wxT('\n')) \|\| (txt[i] == wxT('\r')) \|\|
	273	(txt[i] == wxT(' ')) \|\| (txt[i] == wxT('\t')))) i++, x++;
	274	}
	275	else i++;
	276
	277	if (x)
	278	{
	279	temp[templen-1] = wxT(' ');
	280	temp[templen] = 0;
	281	#if 0 // VS - WHY was this here?!
	282	if (templen == 1) continue;
	283	#endif
	284	templen = 0;
	285	#if !wxUSE_UNICODE
	286	if (m_EncConv)
	287	m_EncConv->Convert(temp);
	288	#endif
	289	size_t len = wxStrlen(temp);
	290	for (size_t j = 0; j < len; j++)
	291	if (temp[j] == nbsp)
	292	temp[j] = wxT(' ');
	293	c = new wxHtmlWordCell(temp, *(GetDC()));
	294	if (m_UseLink)
	295	c->SetLink(m_Link);
	296	m_Container->InsertCell(c);
	297	m_tmpLastWasSpace = TRUE;
	298	}
	299	}
	300
	301	if (templen && (templen > 1 \|\| temp[0] != wxT(' ')))
	302	{
	303	temp[templen] = 0;
	304	#if !wxUSE_UNICODE
	305	if (m_EncConv)
	306	m_EncConv->Convert(temp);
	307	#endif
	308	size_t len = wxStrlen(temp);
	309	for (size_t j = 0; j < len; j++)
	310	if (temp[j] == nbsp)
	311	temp[j] = wxT(' ');
	312	c = new wxHtmlWordCell(temp, *(GetDC()));
	313	if (m_UseLink)
	314	c->SetLink(m_Link);
	315	m_Container->InsertCell(c);
	316	m_tmpLastWasSpace = FALSE;
	317	}
	318	}
	319
	320
	321
	322	wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
	323	{
	324	m_Container = new wxHtmlContainerCell(m_Container);
	325	m_Container->SetAlignHor(m_Align);
	326	m_tmpLastWasSpace = TRUE;
	327	/* to avoid space being first character in paragraph */
	328	return m_Container;
	329	}
	330
	331
	332
	333	wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
	334	{
	335	m_tmpLastWasSpace = TRUE;
	336	/* to avoid space being first character in paragraph */
	337	return m_Container = c;
	338	}
	339
	340
	341
	342	wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
	343	{
	344	m_Container = m_Container->GetParent();
	345	return m_Container;
	346	}
	347
	348
	349	void wxHtmlWinParser::SetFontSize(int s)
	350	{
	351	if (s < 1) s = 1;
	352	else if (s > 7) s = 7;
	353	m_FontSize = s;
	354	}
	355
	356
	357
	358	wxFont* wxHtmlWinParser::CreateCurrentFont()
	359	{
	360	int fb = GetFontBold(),
	361	fi = GetFontItalic(),
	362	fu = GetFontUnderlined(),
	363	ff = GetFontFixed(),
	364	fs = GetFontSize() - 1 /remap from <1;7> to <0;6>/ ;
	365
	366	wxString face = ff ? m_FontFaceFixed : m_FontFaceNormal;
	367	wxString *faceptr = &(m_FontsFacesTable[fb][fi][fu][ff][fs]);
	368	wxFont **fontptr = &(m_FontsTable[fb][fi][fu][ff][fs]);
	369	#if !wxUSE_UNICODE
	370	wxFontEncoding *encptr = &(m_FontsEncTable[fb][fi][fu][ff][fs]);
	371	#endif
	372
	373	if (fontptr != NULL && (faceptr != face
	374	#if !wxUSE_UNICODE
	375	\|\| *encptr != m_OutputEnc
	376	#endif
	377	))
	378	{
	379	delete *fontptr;
	380	*fontptr = NULL;
	381	}
	382
	383	if (*fontptr == NULL)
	384	{
	385	*faceptr = face;
	386	*fontptr = new wxFont(
	387	(int) (m_FontsSizes[fs] * m_PixelScale),
	388	ff ? wxMODERN : wxSWISS,
	389	fi ? wxITALIC : wxNORMAL,
	390	fb ? wxBOLD : wxNORMAL,
	391	fu ? TRUE : FALSE, face
	392	#if wxUSE_UNICODE
	393	);
	394	#else
	395	, m_OutputEnc);
	396	*encptr = m_OutputEnc;
	397	#endif
	398	}
	399	m_DC->SetFont(**fontptr);
	400	return (*fontptr);
	401	}
	402
	403
	404
	405	void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
	406	{
	407	m_Link = link;
	408	m_UseLink = (link.GetHref() != wxEmptyString);
	409	}
	410
	411
	412	void wxHtmlWinParser::SetFontFace(const wxString& face)
	413	{
	414	if (GetFontFixed()) m_FontFaceFixed = face;
	415	else m_FontFaceNormal = face;
	416
	417	#if !wxUSE_UNICODE
	418	if (m_InputEnc != wxFONTENCODING_DEFAULT)
	419	SetInputEncoding(m_InputEnc);
	420	#endif
	421	}
	422
	423
	424
	425	#if !wxUSE_UNICODE
	426	void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
	427	{
	428	m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
	429	if (m_EncConv)
	430	{
	431	delete m_EncConv;
	432	m_EncConv = NULL;
	433	}
	434
	435	if (enc == wxFONTENCODING_DEFAULT) return;
	436
	437	wxFontEncoding altfix, altnorm;
	438	bool availfix, availnorm;
	439
	440	// exact match?
	441	availnorm = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceNormal);
	442	availfix = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceFixed);
	443	if (availnorm && availfix)
	444	m_OutputEnc = enc;
	445
	446	// alternatives?
	447	else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE) &&
	448	wxFontMapper::Get()->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, FALSE) &&
	449	altnorm == altfix)
	450	m_OutputEnc = altnorm;
	451
	452	// at least normal face?
	453	else if (availnorm)
	454	m_OutputEnc = enc;
	455	else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE))
	456	m_OutputEnc = altnorm;
	457
	458	// okay, let convert to ISO_8859-1, available always
	459	else
	460	m_OutputEnc = wxFONTENCODING_DEFAULT;
	461
	462	m_InputEnc = enc;
	463	if (m_OutputEnc == wxFONTENCODING_DEFAULT)
	464	GetEntitiesParser()->SetEncoding(wxFONTENCODING_SYSTEM);
	465	else
	466	GetEntitiesParser()->SetEncoding(m_OutputEnc);
	467
	468	if (m_InputEnc == m_OutputEnc) return;
	469
	470	m_EncConv = new wxEncodingConverter();
	471	if (!m_EncConv->Init(m_InputEnc,
	472	(m_OutputEnc == wxFONTENCODING_DEFAULT) ?
	473	wxFONTENCODING_ISO8859_1 : m_OutputEnc,
	474	wxCONVERT_SUBSTITUTE))
	475	{ // total failture :-(
	476	wxLogError(_("Failed to display HTML document in %s encoding"),
	477	wxFontMapper::GetEncodingName(enc).c_str());
	478	m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
	479	delete m_EncConv;
	480	m_EncConv = NULL;
	481	}
	482	}
	483	#endif
	484
	485
	486
	487
	488	//-----------------------------------------------------------------------------
	489	// wxHtmlWinTagHandler
	490	//-----------------------------------------------------------------------------
	491
	492	IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler, wxHtmlTagHandler)
	493
	494	//-----------------------------------------------------------------------------
	495	// wxHtmlTagsModule
	496	//-----------------------------------------------------------------------------
	497
	498	// NB: This is NOT winpars.cpp's initialization and shutdown code!!
	499	// This module is an ancestor for tag handlers modules defined
	500	// in m_*.cpp files with TAGS_MODULE_BEGIN...TAGS_MODULE_END construct.
	501	//
	502	// Do not add any winpars.cpp shutdown or initialization code to it,
	503	// create a new module instead!
	504
	505	IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule, wxModule)
	506
	507	bool wxHtmlTagsModule::OnInit()
	508	{
	509	wxHtmlWinParser::AddModule(this);
	510	return TRUE;
	511	}
	512
	513	void wxHtmlTagsModule::OnExit()
	514	{
	515	wxHtmlWinParser::RemoveModule(this);
	516	}
	517
	518	#endif
	519