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
                        }
#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(wxT(""), wxT(""), 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 !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)
{
    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	#ifdef __WXMSW__
	73	static int default_sizes[7] = {7, 8, 10, 12, 16, 22, 30};
	74	#elif defined(__WXMAC__)
	75	static int default_sizes[7] = {9, 12, 14, 18, 24, 30, 36};
	76	#else
	77	static int default_sizes[7] = {10, 12, 14, 16, 19, 24, 32};
	78	#endif
	79	SetFonts(wxT(""), wxT(""), default_sizes);
	80	}
	81
	82	// fill in wxHtmlParser's tables:
	83	wxNode *node = m_Modules.GetFirst();
	84	while (node)
	85	{
	86	wxHtmlTagsModule mod = (wxHtmlTagsModule) node->GetData();
	87	mod->FillHandlersTable(this);
	88	node = node->GetNext();
	89	}
	90	}
	91
	92	wxHtmlWinParser::~wxHtmlWinParser()
	93	{
	94	int i, j, k, l, m;
	95
	96	for (i = 0; i < 2; i++)
	97	for (j = 0; j < 2; j++)
	98	for (k = 0; k < 2; k++)
	99	for (l = 0; l < 2; l++)
	100	for (m = 0; m < 7; m++)
	101	{
	102	if (m_FontsTable[i][j][k][l][m] != NULL)
	103	delete m_FontsTable[i][j][k][l][m];
	104	}
	105	#if !wxUSE_UNICODE
	106	delete m_EncConv;
	107	#endif
	108	delete[] m_tmpStrBuf;
	109	}
	110
	111	void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
	112	{
	113	m_Modules.Append(module);
	114	}
	115
	116	void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
	117	{
	118	m_Modules.DeleteObject(module);
	119	}
	120
	121	void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
	122	{
	123	int i, j, k, l, m;
	124
	125	for (i = 0; i < 7; i++) m_FontsSizes[i] = sizes[i];
	126	m_FontFaceFixed = fixed_face;
	127	m_FontFaceNormal = normal_face;
	128
	129	#if !wxUSE_UNICODE
	130	SetInputEncoding(m_InputEnc);
	131	#endif
	132
	133	for (i = 0; i < 2; i++)
	134	for (j = 0; j < 2; j++)
	135	for (k = 0; k < 2; k++)
	136	for (l = 0; l < 2; l++)
	137	for (m = 0; m < 7; m++) {
	138	if (m_FontsTable[i][j][k][l][m] != NULL)
	139	{
	140	delete m_FontsTable[i][j][k][l][m];
	141	m_FontsTable[i][j][k][l][m] = NULL;
	142	}
	143	}
	144	}
	145
	146	void wxHtmlWinParser::InitParser(const wxString& source)
	147	{
	148	wxHtmlParser::InitParser(source);
	149	wxASSERT_MSG(m_DC != NULL, wxT("no DC assigned to wxHtmlWinParser!!"));
	150
	151	m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
	152	m_FontSize = 3; //default one
	153	CreateCurrentFont(); // we're selecting default font into
	154	m_DC->GetTextExtent( wxT("H"), &m_CharWidth, &m_CharHeight);
	155	/* NOTE : we're not using GetCharWidth/Height() because
	156	of differences under X and win
	157	*/
	158
	159	m_UseLink = FALSE;
	160	m_Link = wxHtmlLinkInfo( wxT(""), wxT("") );
	161	m_LinkColor.Set(0, 0, 0xFF);
	162	m_ActualColor.Set(0, 0, 0);
	163	m_Align = wxHTML_ALIGN_LEFT;
	164	m_tmpLastWasSpace = FALSE;
	165
	166	OpenContainer();
	167	OpenContainer();
	168
	169	#if !wxUSE_UNICODE
	170	wxString charset = ExtractCharsetInformation(source);
	171	if (!charset.empty())
	172	{
	173	wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(charset);
	174	if (enc != wxFONTENCODING_SYSTEM)
	175	SetInputEncoding(enc);
	176	}
	177	#endif
	178
	179	m_Container->InsertCell(new wxHtmlColourCell(m_ActualColor));
	180	m_Container->InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
	181	}
	182
	183	void wxHtmlWinParser::DoneParser()
	184	{
	185	m_Container = NULL;
	186	#if !wxUSE_UNICODE
	187	SetInputEncoding(wxFONTENCODING_ISO8859_1); // for next call
	188	#endif
	189	wxHtmlParser::DoneParser();
	190	}
	191
	192	wxObject* wxHtmlWinParser::GetProduct()
	193	{
	194	wxHtmlContainerCell *top;
	195
	196	CloseContainer();
	197	OpenContainer();
	198
	199	top = m_Container;
	200	while (top->GetParent()) top = top->GetParent();
	201	return top;
	202	}
	203
	204	wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
	205	const wxString& url) const
	206	{
	207	// FIXME - normalize the URL to full path before passing to
	208	// OnOpeningURL!!
	209	if ( m_Window )
	210	{
	211	wxString myurl(url);
	212	wxHtmlOpeningStatus status;
	213	for (;;)
	214	{
	215	wxString redirect;
	216	status = m_Window->OnOpeningURL(type, myurl, &redirect);
	217	if ( status != wxHTML_REDIRECT )
	218	break;
	219
	220	myurl = redirect;
	221	}
	222
	223	if ( status == wxHTML_BLOCK )
	224	return NULL;
	225
	226	return GetFS()->OpenFile(myurl);
	227	}
	228
	229	return wxHtmlParser::OpenURL(type, url);
	230	}
	231
	232	void wxHtmlWinParser::AddText(const wxChar* txt)
	233	{
	234	wxHtmlCell *c;
	235	size_t i = 0,
	236	x,
	237	lng = wxStrlen(txt);
	238	register wxChar d;
	239	int templen = 0;
	240	wxChar nbsp = GetEntitiesParser()->GetCharForCode(160 /* nbsp */);
	241
	242	if (lng+1 > m_tmpStrBufSize)
	243	{
	244	delete[] m_tmpStrBuf;
	245	m_tmpStrBuf = new wxChar[lng+1];
	246	m_tmpStrBufSize = lng+1;
	247	}
	248	wxChar *temp = m_tmpStrBuf;
	249
	250	if (m_tmpLastWasSpace)
	251	{
	252	while ((i < lng) &&
	253	((txt[i] == wxT('\n')) \|\| (txt[i] == wxT('\r')) \|\| (txt[i] == wxT(' ')) \|\|
	254	(txt[i] == wxT('\t')))) i++;
	255	}
	256
	257	while (i < lng)
	258	{
	259	x = 0;
	260	d = temp[templen++] = txt[i];
	261	if ((d == wxT('\n')) \|\| (d == wxT('\r')) \|\| (d == wxT(' ')) \|\| (d == wxT('\t')))
	262	{
	263	i++, x++;
	264	while ((i < lng) && ((txt[i] == wxT('\n')) \|\| (txt[i] == wxT('\r')) \|\|
	265	(txt[i] == wxT(' ')) \|\| (txt[i] == wxT('\t')))) i++, x++;
	266	}
	267	else i++;
	268
	269	if (x)
	270	{
	271	temp[templen-1] = wxT(' ');
	272	temp[templen] = 0;
	273	#if 0 // VS - WHY was this here?!
	274	if (templen == 1) continue;
	275	#endif
	276	templen = 0;
	277	#if !wxUSE_UNICODE
	278	if (m_EncConv)
	279	m_EncConv->Convert(temp);
	280	#endif
	281	size_t len = wxStrlen(temp);
	282	for (size_t j = 0; j < len; j++)
	283	if (temp[j] == nbsp)
	284	temp[j] = wxT(' ');
	285	c = new wxHtmlWordCell(temp, *(GetDC()));
	286	if (m_UseLink)
	287	c->SetLink(m_Link);
	288	m_Container->InsertCell(c);
	289	m_tmpLastWasSpace = TRUE;
	290	}
	291	}
	292
	293	if (templen && (templen > 1 \|\| temp[0] != wxT(' ')))
	294	{
	295	temp[templen] = 0;
	296	#if !wxUSE_UNICODE
	297	if (m_EncConv)
	298	m_EncConv->Convert(temp);
	299	#endif
	300	size_t len = wxStrlen(temp);
	301	for (size_t j = 0; j < len; j++)
	302	if (temp[j] == nbsp)
	303	temp[j] = wxT(' ');
	304	c = new wxHtmlWordCell(temp, *(GetDC()));
	305	if (m_UseLink)
	306	c->SetLink(m_Link);
	307	m_Container->InsertCell(c);
	308	m_tmpLastWasSpace = FALSE;
	309	}
	310	}
	311
	312
	313
	314	wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
	315	{
	316	m_Container = new wxHtmlContainerCell(m_Container);
	317	m_Container->SetAlignHor(m_Align);
	318	m_tmpLastWasSpace = TRUE;
	319	/* to avoid space being first character in paragraph */
	320	return m_Container;
	321	}
	322
	323
	324
	325	wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
	326	{
	327	m_tmpLastWasSpace = TRUE;
	328	/* to avoid space being first character in paragraph */
	329	return m_Container = c;
	330	}
	331
	332
	333
	334	wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
	335	{
	336	m_Container = m_Container->GetParent();
	337	return m_Container;
	338	}
	339
	340
	341	void wxHtmlWinParser::SetFontSize(int s)
	342	{
	343	if (s < 1) s = 1;
	344	else if (s > 7) s = 7;
	345	m_FontSize = s;
	346	}
	347
	348
	349
	350	wxFont* wxHtmlWinParser::CreateCurrentFont()
	351	{
	352	int fb = GetFontBold(),
	353	fi = GetFontItalic(),
	354	fu = GetFontUnderlined(),
	355	ff = GetFontFixed(),
	356	fs = GetFontSize() - 1 /remap from <1;7> to <0;6>/ ;
	357
	358	wxString face = ff ? m_FontFaceFixed : m_FontFaceNormal;
	359	wxString *faceptr = &(m_FontsFacesTable[fb][fi][fu][ff][fs]);
	360	wxFont **fontptr = &(m_FontsTable[fb][fi][fu][ff][fs]);
	361	#if !wxUSE_UNICODE
	362	wxFontEncoding *encptr = &(m_FontsEncTable[fb][fi][fu][ff][fs]);
	363	#endif
	364
	365	if (fontptr != NULL && (faceptr != face
	366	#if !wxUSE_UNICODE
	367	\|\| *encptr != m_OutputEnc
	368	#endif
	369	))
	370	{
	371	delete *fontptr;
	372	*fontptr = NULL;
	373	}
	374
	375	if (*fontptr == NULL)
	376	{
	377	*faceptr = face;
	378	*fontptr = new wxFont(
	379	(int) (m_FontsSizes[fs] * m_PixelScale),
	380	ff ? wxMODERN : wxSWISS,
	381	fi ? wxITALIC : wxNORMAL,
	382	fb ? wxBOLD : wxNORMAL,
	383	fu ? TRUE : FALSE, face
	384	#if wxUSE_UNICODE
	385	);
	386	#else
	387	, m_OutputEnc);
	388	*encptr = m_OutputEnc;
	389	#endif
	390	}
	391	m_DC->SetFont(**fontptr);
	392	return (*fontptr);
	393	}
	394
	395
	396
	397	void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
	398	{
	399	m_Link = link;
	400	m_UseLink = (link.GetHref() != wxEmptyString);
	401	}
	402
	403
	404	void wxHtmlWinParser::SetFontFace(const wxString& face)
	405	{
	406	if (GetFontFixed()) m_FontFaceFixed = face;
	407	else m_FontFaceNormal = face;
	408
	409	#if !wxUSE_UNICODE
	410	if (m_InputEnc != wxFONTENCODING_DEFAULT)
	411	SetInputEncoding(m_InputEnc);
	412	#endif
	413	}
	414
	415
	416
	417	#if !wxUSE_UNICODE
	418	void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
	419	{
	420	m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
	421	if (m_EncConv)
	422	{
	423	delete m_EncConv;
	424	m_EncConv = NULL;
	425	}
	426
	427	if (enc == wxFONTENCODING_DEFAULT) return;
	428
	429	wxFontEncoding altfix, altnorm;
	430	bool availfix, availnorm;
	431
	432	// exact match?
	433	availnorm = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceNormal);
	434	availfix = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceFixed);
	435	if (availnorm && availfix)
	436	m_OutputEnc = enc;
	437
	438	// alternatives?
	439	else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE) &&
	440	wxFontMapper::Get()->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, FALSE) &&
	441	altnorm == altfix)
	442	m_OutputEnc = altnorm;
	443
	444	// at least normal face?
	445	else if (availnorm)
	446	m_OutputEnc = enc;
	447	else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE))
	448	m_OutputEnc = altnorm;
	449
	450	// okay, let convert to ISO_8859-1, available always
	451	else
	452	m_OutputEnc = wxFONTENCODING_DEFAULT;
	453
	454	m_InputEnc = enc;
	455	if (m_OutputEnc == wxFONTENCODING_DEFAULT)
	456	GetEntitiesParser()->SetEncoding(wxFONTENCODING_SYSTEM);
	457	else
	458	GetEntitiesParser()->SetEncoding(m_OutputEnc);
	459
	460	if (m_InputEnc == m_OutputEnc) return;
	461
	462	m_EncConv = new wxEncodingConverter();
	463	if (!m_EncConv->Init(m_InputEnc,
	464	(m_OutputEnc == wxFONTENCODING_DEFAULT) ?
	465	wxFONTENCODING_ISO8859_1 : m_OutputEnc,
	466	wxCONVERT_SUBSTITUTE))
	467	{ // total failture :-(
	468	wxLogError(_("Failed to display HTML document in %s encoding"),
	469	wxFontMapper::GetEncodingName(enc).c_str());
	470	m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
	471	delete m_EncConv;
	472	m_EncConv = NULL;
	473	}
	474	}
	475	#endif
	476
	477
	478
	479
	480	//-----------------------------------------------------------------------------
	481	// wxHtmlWinTagHandler
	482	//-----------------------------------------------------------------------------
	483
	484	IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler, wxHtmlTagHandler)
	485
	486	//-----------------------------------------------------------------------------
	487	// wxHtmlTagsModule
	488	//-----------------------------------------------------------------------------
	489
	490	// NB: This is NOT winpars.cpp's initialization and shutdown code!!
	491	// This module is an ancestor for tag handlers modules defined
	492	// in m_*.cpp files with TAGS_MODULE_BEGIN...TAGS_MODULE_END construct.
	493	//
	494	// Do not add any winpars.cpp shutdown or initialization code to it,
	495	// create a new module instead!
	496
	497	IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule, wxModule)
	498
	499	bool wxHtmlTagsModule::OnInit()
	500	{
	501	wxHtmlWinParser::AddModule(this);
	502	return TRUE;
	503	}
	504
	505	void wxHtmlTagsModule::OnExit()
	506	{
	507	wxHtmlWinParser::RemoveModule(this);
	508	}
	509
	510	#endif
	511