X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f2c2fa4d62b34608e21b04f8010149945aebda70..6df09f32fd0bbc2324a6a96683109e6c6cc47db5:/src/html/winpars.cpp

diff --git a/src/html/winpars.cpp b/src/html/winpars.cpp
index 3de90241e0..ac32fb27bf 100644
--- a/src/html/winpars.cpp
+++ b/src/html/winpars.cpp
@@ -1,49 +1,60 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        winpars.cpp
+// Name:        src/html/winpars.cpp
 // Purpose:     wxHtmlParser class (generic parser)
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "wx/wxprec.h"
 
-#include "wx/defs.h"
-#if wxUSE_HTML
-
-#ifdef __BORDLANDC__
-#pragma hdrstop
+#ifdef __BORLANDC__
+    #pragma hdrstop
 #endif
 
-#ifndef WXPRECOMP
-#include "wx/wx.h"
+#if wxUSE_HTML && wxUSE_STREAMS
+
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/dc.h"
+    #include "wx/log.h"
+    #include "wx/settings.h"
 #endif
 
 #include "wx/html/htmldefs.h"
 #include "wx/html/winpars.h"
 #include "wx/html/htmlwin.h"
+#include "wx/fontmap.h"
+#include "wx/uri.h"
 
 
 //-----------------------------------------------------------------------------
 // wxHtmlWinParser
 //-----------------------------------------------------------------------------
 
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinParser, wxHtmlParser)
 
 wxList wxHtmlWinParser::m_Modules;
 
-wxHtmlWinParser::wxHtmlWinParser(wxWindow *wnd) : wxHtmlParser()
+wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindowInterface *wndIface)
 {
-    m_Window = wnd;
+    m_tmpStrBuf = NULL;
+    m_tmpStrBufSize = 0;
+    m_windowInterface = wndIface;
     m_Container = NULL;
     m_DC = NULL;
     m_CharHeight = m_CharWidth = 0;
-    m_UseLink = FALSE;
+    m_UseLink = false;
+#if !wxUSE_UNICODE
+    m_nbsp = 0;
+    m_EncConv = NULL;
+    m_InputEnc = wxFONTENCODING_ISO8859_1;
+    m_OutputEnc = wxFONTENCODING_DEFAULT;
+#endif
+    m_whitespaceMode = Whitespace_Normal;
+    m_lastWordCell = NULL;
+    m_posColumn = 0;
 
     {
         int i, j, k, l, m;
@@ -52,91 +63,214 @@ wxHtmlWinParser::wxHtmlWinParser(wxWindow *wnd) : wxHtmlParser()
                 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;
-#ifdef __WXMSW__
-        static int default_sizes[7] = {7, 8, 10, 12, 16, 22, 30};
-#else
-        static int default_sizes[7] = {10, 12, 14, 16, 19, 24, 32};
+                            m_FontsFacesTable[i][j][k][l][m] = wxEmptyString;
+#if !wxUSE_UNICODE
+                            m_FontsEncTable[i][j][k][l][m] = wxFONTENCODING_DEFAULT;
 #endif
-        SetFonts("", "", default_sizes);
+                        }
+
+        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();
+    wxList::compatibility_iterator 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);
+}
+
+// build all HTML font sizes (1..7) from the given base size
+static void wxBuildFontSizes(int *sizes, int size)
+{
+    // using a fixed factor (1.2, from CSS2) is a bad idea as explained at
+    // http://www.w3.org/TR/CSS21/fonts.html#font-size-props but this is by far
+    // simplest thing to do so still do it like this for now
+    sizes[0] = int(size * 0.75); // exception to 1.2 rule, otherwise too small
+    sizes[1] = int(size * 0.83);
+    sizes[2] = size;
+    sizes[3] = int(size * 1.2);
+    sizes[4] = int(size * 1.44);
+    sizes[5] = int(size * 1.73);
+    sizes[6] = int(size * 2);
+}
 
+static int wxGetDefaultHTMLFontSize()
+{
+    // base the default font size on the size of the default system font but
+    // also ensure that we have a font of reasonable size, otherwise small HTML
+    // fonts are unreadable
+    int size = wxNORMAL_FONT->GetPointSize();
+    if ( size < 10 )
+        size = 10;
+    return size;
+}
 
-void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
+void wxHtmlWinParser::SetFonts(const wxString& normal_face,
+                               const wxString& fixed_face,
+                               const int *sizes)
 {
+    static int default_sizes[7] = { 0 };
+    if ( !sizes )
+    {
+        if ( !default_sizes[0] )
+            wxBuildFontSizes(default_sizes, wxGetDefaultHTMLFontSize());
+
+        sizes = default_sizes;
+    }
+
     int i, j, k, l, m;
 
-    for (i = 0; i < 7; i++) m_FontsSizes[i] = sizes[i];
+    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) {
+                        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::SetStandardFonts(int size,
+                                       const wxString& normal_face,
+                                       const wxString& fixed_face)
+{
+    if (size == -1)
+        size = wxGetDefaultHTMLFontSize();
+
+    int f_sizes[7];
+    wxBuildFontSizes(f_sizes, size);
+
+    wxString normal = normal_face;
+    if ( normal.empty() )
+        normal = wxNORMAL_FONT->GetFaceName();
 
+    SetFonts(normal, fixed_face, f_sizes);
+}
 
 void wxHtmlWinParser::InitParser(const wxString& source)
 {
     wxHtmlParser::InitParser(source);
-    wxASSERT_MSG(m_DC != NULL, _("no DC assigned to wxHtmlWinParser!!"));
+    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("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("", "");
+    
+    // we're not using GetCharWidth/Height() because of
+    // differences under X and win
+    wxCoord w,h;
+    m_DC->GetTextExtent( wxT("H"), &w, &h);
+    m_CharWidth = w;
+    m_CharHeight = h;
+
+    m_UseLink = false;
+    m_Link = wxHtmlLinkInfo( wxEmptyString );
     m_LinkColor.Set(0, 0, 0xFF);
     m_ActualColor.Set(0, 0, 0);
     m_Align = wxHTML_ALIGN_LEFT;
-    m_tmpLastWasSpace = FALSE;
+    m_ScriptMode = wxHTML_SCRIPT_NORMAL;
+    m_ScriptBaseline = 0;
+    m_tmpLastWasSpace = false;
+    m_lastWordCell = NULL;
 
+    // open the toplevel container that contains everything else and that
+    // is never closed (this makes parser's life easier):
     OpenContainer();
 
+    // then open the first container into which page's content will go:
     OpenContainer();
-    m_Container -> InsertCell(new wxHtmlColourCell(m_ActualColor));
-    m_Container -> InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
-}
 
+#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));
+    wxColour windowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW) ;
+
+    m_Container->InsertCell
+                 (
+                   new wxHtmlColourCell
+                       (
+                         m_windowInterface
+                            ? m_windowInterface->GetHTMLBackgroundColour()
+                            : windowColour,
+                         wxHTML_CLR_BACKGROUND
+                       )
+                  );
+
+    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();
 }
 
-
+#if WXWIN_COMPATIBILITY_2_6
+wxHtmlWindow *wxHtmlWinParser::GetWindow()
+{
+    if (!m_windowInterface)
+        return NULL;
+    return wxDynamicCast(m_windowInterface->GetHTMLWindow(), wxHtmlWindow);
+}
+#endif
 
 wxObject* wxHtmlWinParser::GetProduct()
 {
@@ -144,83 +278,248 @@ wxObject* wxHtmlWinParser::GetProduct()
 
     CloseContainer();
     OpenContainer();
-    GetContainer() -> SetIndent(m_CharHeight, wxHTML_INDENT_TOP);
+
     top = m_Container;
-    while (top -> GetParent()) top = top -> GetParent();
+    while (top->GetParent()) top = top->GetParent();
+    top->RemoveExtraSpacing(true, true);
+
     return top;
 }
 
+wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
+                                   const wxString& url) const
+{
+    if ( !m_windowInterface )
+        return wxHtmlParser::OpenURL(type, url);
 
+    wxString myurl(url);
+    wxHtmlOpeningStatus status;
+    for (;;)
+    {
+        wxString myfullurl(myurl);
+
+        // consider url as absolute path first
+        wxURI current(myurl);
+        myfullurl = current.BuildUnescapedURI();
+
+        // if not absolute then ...
+        if( current.IsReference() )
+        {
+            wxString basepath = GetFS()->GetPath();
+            wxURI base(basepath);
+
+            // ... try to apply base path if valid ...
+            if( !base.IsReference() )
+            {
+                wxURI path(myfullurl);
+                path.Resolve( base );
+                myfullurl = path.BuildUnescapedURI();
+            }
+            else
+            {
+                // ... or force such addition if not included already
+                if( !current.GetPath().Contains(base.GetPath()) )
+                {
+                    basepath += myurl;
+                    wxURI connected( basepath );
+                    myfullurl = connected.BuildUnescapedURI();
+                }
+            }
+        }
 
-wxList* wxHtmlWinParser::GetTempData()
-{
-    int i, j, k, l, m;
-    wxFont *f;
-    wxList *lst = wxHtmlParser::GetTempData();
+        wxString redirect;
+        status = m_windowInterface->OnHTMLOpeningURL(type, myfullurl, &redirect);
+        if ( status != wxHTML_REDIRECT )
+            break;
 
-    if (lst == NULL) lst = new wxList;
-    lst -> DeleteContents(TRUE);
+        myurl = redirect;
+    }
 
-    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++) {
-                        f = m_FontsTable[i][j][k][l][m];
-                        if (f) lst -> Append(f);
-                    }
-    return lst;
-}
+    if ( status == wxHTML_BLOCK )
+        return NULL;
+
+    int flags = wxFS_READ;
+    if (type == wxHTML_URL_IMAGE)
+        flags |= wxFS_SEEKABLE;
 
+    return GetFS()->OpenFile(myurl, flags);
+}
 
+#define NBSP_UNICODE_VALUE  (wxChar(160))
+#if !wxUSE_UNICODE
+    #define CUR_NBSP_VALUE m_nbsp
+#else
+    #define CUR_NBSP_VALUE NBSP_UNICODE_VALUE
+#endif
 
-void wxHtmlWinParser::AddText(const char* txt)
+void wxHtmlWinParser::AddText(const wxString& 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++;
-    }
+#if !wxUSE_UNICODE
+    if ( m_nbsp == 0 )
+        m_nbsp = GetEntitiesParser()->GetCharForCode(NBSP_UNICODE_VALUE);
+#endif
 
-    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++;
+    if ( m_whitespaceMode == Whitespace_Normal )
+    {
+        int templen = 0;
+
+        size_t lng = txt.length();
+        if (lng+1 > m_tmpStrBufSize)
+        {
+            delete[] m_tmpStrBuf;
+            m_tmpStrBuf = new wxChar[lng+1];
+            m_tmpStrBufSize = lng+1;
+        }
+        wxChar *temp = m_tmpStrBuf;
+
+        wxString::const_iterator i = txt.begin();
+        const wxString::const_iterator end = txt.end();
+
+        if (m_tmpLastWasSpace)
+        {
+            while ( (i < end) &&
+                    (*i == wxT('\n') || *i == wxT('\r') || *i == wxT(' ') ||
+                     *i == wxT('\t')) )
+            {
+                ++i;
+            }
+        }
+
+        while (i < end)
+        {
+            size_t x = 0;
+            const wxChar d = temp[templen++] = *i;
+            if ((d == wxT('\n')) || (d == wxT('\r')) || (d == wxT(' ')) || (d == wxT('\t')))
+            {
+                ++i, ++x;
+                while ( (i < end) &&
+                        (*i == wxT('\n') || *i == wxT('\r') ||
+                         *i == wxT(' ') || *i == wxT('\t')) )
+                {
+                    ++i;
+                    ++x;
+                }
+            }
+            else
+            {
+                ++i;
+            }
+
+            if (x)
+            {
+                temp[templen-1] = wxT(' ');
+                FlushWordBuf(temp, templen);
+                m_tmpLastWasSpace = true;
+            }
+        }
+
+        if (templen && (templen > 1 || temp[0] != wxT(' ')))
+        {
+            FlushWordBuf(temp, templen);
+            m_tmpLastWasSpace = false;
+        }
+    }
+    else // m_whitespaceMode == Whitespace_Pre
+    {
+        if ( txt.find(CUR_NBSP_VALUE) != wxString::npos )
+        {
+            // we need to substitute spaces for &nbsp; here just like we
+            // did in the Whitespace_Normal branch above
+            wxString txt2(txt);
+            txt2.Replace(CUR_NBSP_VALUE, ' ');
+            AddPreBlock(txt2);
         }
-        else i++;
-
-        if (x) {
-            temp[templen-1] = ' ';
-            temp[templen] = 0;
-            templen = 0;
-            c = new wxHtmlWordCell(temp, *(GetDC()));
-            if (m_UseLink) c -> SetLink(m_Link);
-            m_Container -> InsertCell(c);
-            m_tmpLastWasSpace = TRUE;
+        else
+        {
+            AddPreBlock(txt);
         }
+
+        // don't eat any whitespace in <pre> block
+        m_tmpLastWasSpace = false;
     }
-    if (templen) {
-        temp[templen] = 0;
-        c = new wxHtmlWordCell(temp, *(GetDC()));
-        if (m_UseLink) c -> SetLink(m_Link);
-        m_Container -> InsertCell(c);
-        m_tmpLastWasSpace = FALSE;
+}
+
+void wxHtmlWinParser::FlushWordBuf(wxChar *buf, int& len)
+{
+    buf[len] = 0;
+
+    for ( int i = 0; i < len; i++ )
+    {
+        if ( buf[i] == CUR_NBSP_VALUE )
+            buf[i] = ' ';
     }
+
+#if !wxUSE_UNICODE
+    if (m_EncConv)
+        m_EncConv->Convert(buf);
+#endif
+
+    AddWord(wxString(buf, len));
+
+    len = 0;
 }
 
+void wxHtmlWinParser::AddWord(wxHtmlWordCell *word)
+{
+    ApplyStateToCell(word);
+
+    m_Container->InsertCell(word);
+    word->SetPreviousWord(m_lastWordCell);
+    m_lastWordCell = word;
+}
+
+void wxHtmlWinParser::AddPreBlock(const wxString& text)
+{
+    if ( text.find('\t') != wxString::npos )
+    {
+        wxString text2;
+        text2.reserve(text.length());
+
+        const wxString::const_iterator end = text.end();
+        wxString::const_iterator copyFrom = text.begin();
+        size_t pos = 0;
+        int posColumn = m_posColumn;
+        for ( wxString::const_iterator i = copyFrom; i != end; ++i, ++pos )
+        {
+            if ( *i == '\t' )
+            {
+                if ( copyFrom != i )
+                    text2.append(copyFrom, i);
+
+                const unsigned SPACES_PER_TAB = 8;
+                const size_t expandTo = SPACES_PER_TAB - posColumn % SPACES_PER_TAB;
+                text2.append(expandTo, ' ');
+
+                posColumn += expandTo;
+                copyFrom = i + 1;
+            }
+            else
+            {
+                ++posColumn;
+            }
+        }
+        if ( copyFrom != text.end() )
+            text2.append(copyFrom, text.end());
+
+        AddWord(new wxHtmlWordWithTabsCell(text2, text, m_posColumn, *(GetDC())));
+
+        m_posColumn = posColumn;
+    }
+    else
+    {
+        // no special formatting needed
+        AddWord(text);
+        m_posColumn += text.length();
+    }
+}
 
 
 wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
 {
     m_Container = new wxHtmlContainerCell(m_Container);
-    m_Container -> SetAlignHor(m_Align);
-    m_tmpLastWasSpace = TRUE;
+    m_Container->SetAlignHor(m_Align);
+    m_posColumn = 0;
+    m_tmpLastWasSpace = true;
         /* to avoid space being first character in paragraph */
     return m_Container;
 }
@@ -229,7 +528,7 @@ wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
 
 wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
 {
-    m_tmpLastWasSpace = TRUE;
+    m_tmpLastWasSpace = true;
         /* to avoid space being first character in paragraph */
     return m_Container = c;
 }
@@ -238,15 +537,17 @@ wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
 
 wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
 {
-    m_Container = m_Container -> GetParent();
+    m_Container = m_Container->GetParent();
     return m_Container;
 }
 
 
 void wxHtmlWinParser::SetFontSize(int s)
 {
-    if (s < 1) s = 1;
-    else if (s > 7) s = 7;
+    if (s < 1)
+        s = 1;
+    else if (s > 7)
+        s = 7;
     m_FontSize = s;
 }
 
@@ -260,27 +561,157 @@ wxFont* wxHtmlWinParser::CreateCurrentFont()
         ff = GetFontFixed(),
         fs = GetFontSize() - 1 /*remap from <1;7> to <0;6>*/ ;
 
-    if (m_FontsTable[fb][fi][fu][ff][fs] == NULL) {
-        m_FontsTable[fb][fi][fu][ff][fs] =
-            new wxFont(
-                m_FontsSizes[fs] * m_PixelScale,
-                ff ? wxMODERN : wxSWISS,
-                fi ? wxITALIC : wxNORMAL,
-                fb ? wxBOLD : wxNORMAL,
-                fu ? TRUE : FALSE, ff ? m_FontFaceFixed : m_FontFaceNormal);
+    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(*(m_FontsTable[fb][fi][fu][ff][fs]));
-    return (m_FontsTable[fb][fi][fu][ff][fs]);
+    m_DC->SetFont(**fontptr);
+    return (*fontptr);
 }
 
 
 
 void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
 {
-    m_Link = 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
+}
+
+void wxHtmlWinParser::ApplyStateToCell(wxHtmlCell *cell)
+{
+    // set the link:
+    if (m_UseLink)
+        cell->SetLink(GetLink());
+
+    // apply current script mode settings:
+    cell->SetScriptMode(GetScriptMode(), GetScriptBaseline());
+}
+
+
+#if !wxUSE_UNICODE
+void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
+{
+    // the character used for non-breakable space may change:
+    m_nbsp = 0;
+
+    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;
+
+    availnorm = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceNormal);
+    availfix = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceFixed);
+
+    if (availnorm && availfix)
+    {
+        // exact match?
+        m_OutputEnc = enc;
+    }
+
+    else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false) &&
+             wxFontMapper::Get()->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, false) &&
+             altnorm == altfix)
+    {
+        // alternatives?
+        m_OutputEnc = altnorm;
+    }
+    else if (availnorm)
+    {
+        // at least normal face?
+        m_OutputEnc = enc;
+    }
+    else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false))
+    {
+        m_OutputEnc = altnorm;
+    }
+    else
+    {
+#ifndef __WXMAC__
+        // okay, let's convert to ISO_8859-1, available always
+        m_OutputEnc = wxFONTENCODING_DEFAULT;
+#else
+        m_OutputEnc = wxLocale::GetSystemEncoding() ;
+#endif
+    }
+
+    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 failure :-(
+        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
+
 
 
 
@@ -290,26 +721,28 @@ void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
 
 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;
+    return true;
 }
 
-
-
 void wxHtmlTagsModule::OnExit()
 {
+    wxHtmlWinParser::RemoveModule(this);
 }
-#endif
 
+#endif