X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2b5f62a0b2db198609b45dec622a018dae37008e..a738f87caeafd5e51fc029a6228c540e942505b7:/src/html/winpars.cpp

diff --git a/src/html/winpars.cpp b/src/html/winpars.cpp
index d11a8ea9fd..1769f56c26 100644
--- a/src/html/winpars.cpp
+++ b/src/html/winpars.cpp
@@ -1,59 +1,57 @@
 /////////////////////////////////////////////////////////////////////////////
-// 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 "winpars.h"
-#endif
-
 #include "wx/wxprec.h"
 
-#include "wx/defs.h"
-#if wxUSE_HTML && wxUSE_STREAMS
-
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
-#ifndef WXPRECOMP
+#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/log.h"
+#include "wx/uri.h"
 
 
 //-----------------------------------------------------------------------------
 // wxHtmlWinParser
 //-----------------------------------------------------------------------------
 
+IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinParser, wxHtmlParser)
 
 wxList wxHtmlWinParser::m_Modules;
 
-wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindow *wnd) : wxHtmlParser()
+wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindowInterface *wndIface)
 {
     m_tmpStrBuf = NULL;
     m_tmpStrBufSize = 0;
-    m_Window = wnd;
+    m_windowInterface = wndIface;
     m_Container = NULL;
     m_DC = NULL;
     m_CharHeight = m_CharWidth = 0;
-    m_UseLink = FALSE;
+    m_UseLink = false;
 #if !wxUSE_UNICODE
     m_EncConv = NULL;
     m_InputEnc = wxFONTENCODING_ISO8859_1;
     m_OutputEnc = wxFONTENCODING_DEFAULT;
 #endif
+    m_lastWordCell = NULL;
 
     {
         int i, j, k, l, m;
@@ -69,18 +67,12 @@ wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindow *wnd) : wxHtmlParser()
                             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);
+
+        SetFonts(wxEmptyString, wxEmptyString, NULL);
     }
 
     // fill in wxHtmlParser's tables:
-    wxNode *node = m_Modules.GetFirst();
+    wxList::compatibility_iterator node = m_Modules.GetFirst();
     while (node)
     {
         wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node->GetData();
@@ -118,11 +110,50 @@ void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
     m_Modules.DeleteObject(module);
 }
 
-void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
+// 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(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;
 
@@ -143,6 +174,23 @@ void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face, const
                     }
 }
 
+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);
@@ -151,22 +199,32 @@ void wxHtmlWinParser::InitParser(const wxString& source)
     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("") );
+    
+    // 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();
 
-#if 0 //!wxUSE_UNICODE
+#if !wxUSE_UNICODE
     wxString charset = ExtractCharsetInformation(source);
     if (!charset.empty())
     {
@@ -177,6 +235,19 @@ void wxHtmlWinParser::InitParser(const wxString& source)
 #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()));
 }
 
@@ -189,6 +260,15 @@ void wxHtmlWinParser::DoneParser()
     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()
 {
     wxHtmlContainerCell *top;
@@ -198,47 +278,77 @@ wxObject* wxHtmlWinParser::GetProduct()
 
     top = m_Container;
     while (top->GetParent()) top = top->GetParent();
+    top->RemoveExtraSpacing(true, true);
+
     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 )
+    if ( !m_windowInterface )
+        return wxHtmlParser::OpenURL(type, url);
+
+    wxString myurl(url);
+    wxHtmlOpeningStatus status;
+    for (;;)
     {
-        wxString myurl(url);
-        wxHtmlOpeningStatus status;
-        for (;;)
-        {
-            wxString redirect;
-            status = m_Window->OnOpeningURL(type, myurl, &redirect);
-            if ( status != wxHTML_REDIRECT )
-                break;
+        wxString myfullurl(myurl);
 
-            myurl = redirect;
+        // 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();
+                }
+            }
         }
 
-        if ( status == wxHTML_BLOCK )
-            return NULL;
+        wxString redirect;
+        status = m_windowInterface->OnHTMLOpeningURL(type, myfullurl, &redirect);
+        if ( status != wxHTML_REDIRECT )
+            break;
 
-        return GetFS()->OpenFile(myurl);
+        myurl = redirect;
     }
 
-    return wxHtmlParser::OpenURL(type, url);
+    if ( status == wxHTML_BLOCK )
+        return NULL;
+
+    int flags = wxFS_READ;
+    if (type == wxHTML_URL_IMAGE)
+        flags |= wxFS_SEEKABLE;
+
+    return GetFS()->OpenFile(myurl, flags);
 }
 
-void wxHtmlWinParser::AddText(const wxChar* txt)
+void wxHtmlWinParser::AddText(const wxString& txt)
 {
-    wxHtmlCell *c;
-    size_t i = 0,
-           x,
-           lng = wxStrlen(txt);
     register wxChar d;
     int templen = 0;
     wxChar nbsp = GetEntitiesParser()->GetCharForCode(160 /* nbsp */);
 
+    size_t lng = txt.length();
     if (lng+1 > m_tmpStrBufSize)
     {
         delete[] m_tmpStrBuf;
@@ -247,66 +357,74 @@ void wxHtmlWinParser::AddText(const wxChar* txt)
     }
     wxChar *temp = m_tmpStrBuf;
 
+    wxString::const_iterator i = txt.begin();
+    wxString::const_iterator end = txt.end();
+
     if (m_tmpLastWasSpace)
     {
-        while ((i < lng) &&
-               ((txt[i] == wxT('\n')) || (txt[i] == wxT('\r')) || (txt[i] == wxT(' ')) ||
-                (txt[i] == wxT('\t')))) i++;
+        while ( (i < end) &&
+                (*i == wxT('\n') || *i == wxT('\r') || *i == wxT(' ') ||
+                 *i == wxT('\t')) )
+        {
+            ++i;
+        }
     }
 
-    while (i < lng)
+    while (i < end)
     {
-        x = 0;
-        d = temp[templen++] = txt[i];
+        size_t x = 0;
+        d = temp[templen++] = *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++;
+            ++i, ++x;
+            while ( (i < end) &&
+                    (*i == wxT('\n') || *i == wxT('\r') ||
+                     *i == wxT(' ') || *i == wxT('\t')) )
+            {
+                ++i;
+                ++x;
+            }
         }
-        else i++;
+        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;
+            DoAddText(temp, templen, nbsp);
+            m_tmpLastWasSpace = true;
         }
     }
 
     if (templen && (templen > 1 || temp[0] != wxT(' ')))
     {
-        temp[templen] = 0;
+        DoAddText(temp, templen, nbsp);
+        m_tmpLastWasSpace = false;
+    }
+}
+
+void wxHtmlWinParser::DoAddText(wxChar *temp, int& templen, wxChar nbsp)
+{
+    temp[templen] = 0;
+    templen = 0;
 #if !wxUSE_UNICODE
-        if (m_EncConv)
-            m_EncConv->Convert(temp);
+    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;
+    size_t len = wxStrlen(temp);
+    for (size_t j = 0; j < len; j++)
+    {
+        if (temp[j] == nbsp)
+            temp[j] = wxT(' ');
     }
+
+    wxHtmlCell *c = new wxHtmlWordCell(temp, *(GetDC()));
+
+    ApplyStateToCell(c);
+
+    m_Container->InsertCell(c);
+    ((wxHtmlWordCell*)c)->SetPreviousWord(m_lastWordCell);
+    m_lastWordCell = (wxHtmlWordCell*)c;
 }
 
 
@@ -315,7 +433,7 @@ wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
 {
     m_Container = new wxHtmlContainerCell(m_Container);
     m_Container->SetAlignHor(m_Align);
-    m_tmpLastWasSpace = TRUE;
+    m_tmpLastWasSpace = true;
         /* to avoid space being first character in paragraph */
     return m_Container;
 }
@@ -324,7 +442,7 @@ 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;
 }
@@ -380,7 +498,7 @@ wxFont* wxHtmlWinParser::CreateCurrentFont()
                        ff ? wxMODERN : wxSWISS,
                        fi ? wxITALIC : wxNORMAL,
                        fb ? wxBOLD : wxNORMAL,
-                       fu ? TRUE : FALSE, face
+                       fu ? true : false, face
 #if wxUSE_UNICODE
                        );
 #else
@@ -400,7 +518,6 @@ void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
     m_UseLink = (link.GetHref() != wxEmptyString);
 }
 
-
 void wxHtmlWinParser::SetFontFace(const wxString& face)
 {
     if (GetFontFixed()) m_FontFaceFixed = face;
@@ -412,6 +529,15 @@ void wxHtmlWinParser::SetFontFace(const wxString& face)
 #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
@@ -436,20 +562,26 @@ void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
         m_OutputEnc = enc;
 
     // alternatives?
-    else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE) &&
-             wxFontMapper::Get()->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, FALSE) &&
+    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))
+    else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false))
         m_OutputEnc = altnorm;
 
-    // okay, let convert to ISO_8859-1, available always
     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)
@@ -464,7 +596,7 @@ void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
                            (m_OutputEnc == wxFONTENCODING_DEFAULT) ?
                                       wxFONTENCODING_ISO8859_1 : m_OutputEnc,
                            wxCONVERT_SUBSTITUTE))
-    { // total failture :-(
+    { // total failure :-(
         wxLogError(_("Failed to display HTML document in %s encoding"),
                    wxFontMapper::GetEncodingName(enc).c_str());
         m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
@@ -499,7 +631,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule, wxModule)
 bool wxHtmlTagsModule::OnInit()
 {
     wxHtmlWinParser::AddModule(this);
-    return TRUE;
+    return true;
 }
 
 void wxHtmlTagsModule::OnExit()
@@ -508,4 +640,3 @@ void wxHtmlTagsModule::OnExit()
 }
 
 #endif
-