added missing return on error

[wxWidgets.git] / src / html / winpars.cpp

diff --git a/src/html/winpars.cpp b/src/html/winpars.cpp
index 88bf5cc52972a224a80d393462bbafedba3e369c..121b76e3aa2903fdb80b15c3c5fa7375c2d8d608 100644 (file)
--- a/src/html/winpars.cpp
+++ b/src/html/winpars.cpp
@@ -12,29 +12,30 @@
 #pragma implementation
 #endif
 
 #pragma implementation
 #endif
 

-#include <wx/wxprec.h>
+#include "wx/wxprec.h"

 
 #include "wx/defs.h"
 
 #include "wx/defs.h"

-#if wxUSE_HTML
+#if wxUSE_HTML && wxUSE_STREAMS

 
 #ifdef __BORDLANDC__
 #pragma hdrstop
 #endif
 
 #ifndef WXPRECOMP
 
 #ifdef __BORDLANDC__
 #pragma hdrstop
 #endif
 
 #ifndef WXPRECOMP

-#include <wx/wx.h>
+#include "wx/wx.h"

 #endif
 
 #include "wx/html/htmldefs.h"
 #include "wx/html/winpars.h"
 #include "wx/html/htmlwin.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
 //-----------------------------------------------------------------------------
 
 
 
 //-----------------------------------------------------------------------------
 // wxHtmlWinParser
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinParser,wxHtmlParser)

 
 wxList wxHtmlWinParser::m_Modules;
 
 
 wxList wxHtmlWinParser::m_Modules;
 


@@ -45,6 +46,8 @@ wxHtmlWinParser::wxHtmlWinParser(wxWindow *wnd) : wxHtmlParser()
     m_DC = NULL;
     m_CharHeight = m_CharWidth = 0;
     m_UseLink = FALSE;
     m_DC = NULL;
     m_CharHeight = m_CharWidth = 0;
     m_UseLink = FALSE;

+    m_EncConv = NULL;
+    m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;

 
     {
         int i, j, k, l, m;
 
     {
         int i, j, k, l, m;


@@ -52,26 +55,49 @@ wxHtmlWinParser::wxHtmlWinParser(wxWindow *wnd) : wxHtmlParser()
             for (j = 0; j < 2; j++)
                 for (k = 0; k < 2; k++)
                     for (l = 0; l < 2; l++)
             for (j = 0; j < 2; j++)
                 for (k = 0; k < 2; k++)
                     for (l = 0; l < 2; l++)

-                        for (m = 0; m < 7; m++)
+                        for (m = 0; m < 7; m++) 
+                                   {

                             m_FontsTable[i][j][k][l][m] = NULL;
                             m_FontsTable[i][j][k][l][m] = NULL;

+                            m_FontsFacesTable[i][j][k][l][m] = wxEmptyString;
+                            m_FontsEncTable[i][j][k][l][m] = wxFONTENCODING_DEFAULT;
+                        }

 #ifdef __WXMSW__
 #ifdef __WXMSW__

-        int default_sizes[7] = {7, 8, 10, 12, 16, 22, 30};
+        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
 #else

-        int default_sizes[7] = {10, 12, 14, 16, 19, 24, 32};
+        static int default_sizes[7] = {10, 12, 14, 16, 19, 24, 32};

 #endif
 #endif

-        SetFonts("", wxSLANT, "", wxSLANT, default_sizes);
+        SetFonts("", "", default_sizes);

     }
 
     // fill in wxHtmlParser's tables:
     wxNode *node = m_Modules.GetFirst();
     }
 
     // fill in wxHtmlParser's tables:
     wxNode *node = m_Modules.GetFirst();

-    while (node){
-        wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node -> GetData();
-        mod -> FillHandlersTable(this);
-        node = node -> GetNext();
+    while (node) 
+    {
+        wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node->GetData();
+        mod->FillHandlersTable(this);
+        node = node->GetNext();

     }
 }
 
 
     }
 }
 
 

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

 
 void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
 {
 
 void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
 {


@@ -80,13 +106,34 @@ void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
 
 
 
 
 
 

-void wxHtmlWinParser::SetFonts(wxString normal_face, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, int *sizes)
+void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)

 {
 {

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

-    m_ItalicModeFixed = fixed_italic_mode;
-    m_ItalicModeNormal = normal_italic_mode;
+    
+    SetInputEncoding(m_InputEnc);
+
+    for (i = 0; i < 2; i++)
+        for (j = 0; j < 2; j++)
+            for (k = 0; k < 2; k++)
+                for (l = 0; l < 2; l++)
+                    for (m = 0; m < 7; m++) {
+                        if (m_FontsTable[i][j][k][l][m] != NULL) 
+                                   {
+                            delete m_FontsTable[i][j][k][l][m];
+                            m_FontsTable[i][j][k][l][m] = NULL;
+                        }
+                    }

 }
 
 
 }
 
 


@@ -94,27 +141,28 @@ void wxHtmlWinParser::SetFonts(wxString normal_face, int normal_italic_mode, wxS
 void wxHtmlWinParser::InitParser(const wxString& source)
 {
     wxHtmlParser::InitParser(source);
 void wxHtmlWinParser::InitParser(const wxString& source)
 {
     wxHtmlParser::InitParser(source);

-    wxASSERT_MSG(m_DC != NULL, _("no DC assigned to wxHtmlWinParser!!"));
+    wxASSERT_MSG(m_DC != NULL, _T("no DC assigned to wxHtmlWinParser!!"));

 
     m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
 
     m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;

-    m_FontSize = 0;
+    m_FontSize = 3; //default one

     CreateCurrentFont();           // we're selecting default font into
     CreateCurrentFont();           // we're selecting default font into

-    m_DC -> GetTextExtent("H", &m_CharWidth, &m_CharHeight);
+    m_DC->GetTextExtent("H", &m_CharWidth, &m_CharHeight);

                 /* NOTE : we're not using GetCharWidth/Height() because
                 /* NOTE : we're not using GetCharWidth/Height() because

-                   of differences under X and win 
+                   of differences under X and win

                  */
 
                  */
 

-    m_Link = "";
+    m_UseLink = FALSE;
+    m_Link = wxHtmlLinkInfo("", "");

     m_LinkColor.Set(0, 0, 0xFF);
     m_ActualColor.Set(0, 0, 0);
     m_LinkColor.Set(0, 0, 0xFF);
     m_ActualColor.Set(0, 0, 0);

-    m_Align = HTML_ALIGN_LEFT;
+    m_Align = wxHTML_ALIGN_LEFT;

     m_tmpLastWasSpace = FALSE;
 
     OpenContainer();
 
     OpenContainer();
     m_tmpLastWasSpace = FALSE;
 
     OpenContainer();
 
     OpenContainer();

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

 }
 
 
 }
 
 


@@ -122,6 +170,7 @@ void wxHtmlWinParser::InitParser(const wxString& source)
 void wxHtmlWinParser::DoneParser()
 {
     m_Container = NULL;
 void wxHtmlWinParser::DoneParser()
 {
     m_Container = NULL;

+    SetInputEncoding(wxFONTENCODING_DEFAULT); // for next call

     wxHtmlParser::DoneParser();
 }
 
     wxHtmlParser::DoneParser();
 }
 


@@ -133,72 +182,57 @@ wxObject* wxHtmlWinParser::GetProduct()
 
     CloseContainer();
     OpenContainer();
 
     CloseContainer();
     OpenContainer();

-    GetContainer() -> SetIndent(m_CharHeight, HTML_INDENT_TOP);
+

     top = m_Container;
     top = m_Container;

-    while (top -> GetParent()) top = top -> GetParent();
+    while (top->GetParent()) top = top->GetParent();

     return top;
 }
 
 
 
     return top;
 }
 
 
 

-wxList* wxHtmlWinParser::GetTempData()
-{
-    int i, j, k, l, m;
-    wxFont *f;
-    wxList *lst = wxHtmlParser::GetTempData();
-
-    if (lst == NULL) lst = new wxList;
-    lst -> DeleteContents(TRUE);
-
-    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;
-}
-
-
-

 void wxHtmlWinParser::AddText(const char* txt)
 {
     wxHtmlCell *c;
     int i = 0, x, lng = strlen(txt);
 void wxHtmlWinParser::AddText(const char* txt)
 {
     wxHtmlCell *c;
     int i = 0, x, lng = strlen(txt);

-    char temp[HTML_BUFLEN];
+    char temp[wxHTML_BUFLEN];

     register char d;
     int templen = 0;
 
     register char d;
     int templen = 0;
 

-    if (m_tmpLastWasSpace) {
+    if (m_tmpLastWasSpace) 
+    {

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

-    while (i < lng) {
+    while (i < lng) 
+    {

         x = 0;
         d = temp[templen++] = txt[i];
         x = 0;
         d = temp[templen++] = txt[i];

-        if ((d == '\n') || (d == '\r') || (d == ' ') || (d == '\t')) {
+        if ((d == '\n') || (d == '\r') || (d == ' ') || (d == '\t')) 
+           {

             i++, x++;
             while ((i < lng) && ((txt[i] == '\n') || (txt[i] == '\r') || (txt[i] == ' ') || (txt[i] == '\t'))) i++, x++;
         }
         else i++;
 
             i++, x++;
             while ((i < lng) && ((txt[i] == '\n') || (txt[i] == '\r') || (txt[i] == ' ') || (txt[i] == '\t'))) i++, x++;
         }
         else i++;
 

-        if (x) {
+        if (x) 
+           {

             temp[templen-1] = ' ';
             temp[templen] = 0;
             templen = 0;
             temp[templen-1] = ' ';
             temp[templen] = 0;
             templen = 0;

+            if (m_EncConv) m_EncConv->Convert(temp);

             c = new wxHtmlWordCell(temp, *(GetDC()));
             c = new wxHtmlWordCell(temp, *(GetDC()));

-            if (m_UseLink) c -> SetLink(m_Link);
-            m_Container -> InsertCell(c);
+            if (m_UseLink) c->SetLink(m_Link);
+            m_Container->InsertCell(c);

             m_tmpLastWasSpace = TRUE;
         }
     }
             m_tmpLastWasSpace = TRUE;
         }
     }

-    if (templen) {
+    if (templen) 
+    {

         temp[templen] = 0;
         temp[templen] = 0;

+        if (m_EncConv) m_EncConv->Convert(temp);

         c = new wxHtmlWordCell(temp, *(GetDC()));
         c = new wxHtmlWordCell(temp, *(GetDC()));

-        if (m_UseLink) c -> SetLink(m_Link);
-        m_Container -> InsertCell(c);
+        if (m_UseLink) c->SetLink(m_Link);
+        m_Container->InsertCell(c);

         m_tmpLastWasSpace = FALSE;
     }
 }
         m_tmpLastWasSpace = FALSE;
     }
 }


@@ -208,7 +242,7 @@ void wxHtmlWinParser::AddText(const char* txt)
 wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
 {
     m_Container = new wxHtmlContainerCell(m_Container);
 wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
 {
     m_Container = new wxHtmlContainerCell(m_Container);

-    m_Container -> SetAlignHor(m_Align);
+    m_Container->SetAlignHor(m_Align);

     m_tmpLastWasSpace = TRUE;
         /* to avoid space being first character in paragraph */
     return m_Container;
     m_tmpLastWasSpace = TRUE;
         /* to avoid space being first character in paragraph */
     return m_Container;


@@ -227,11 +261,19 @@ wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
 
 wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
 {
 
 wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
 {

-    m_Container = m_Container -> GetParent();
+    m_Container = m_Container->GetParent();

     return m_Container;
 }
 
 
     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()
 {
 
 wxFont* wxHtmlWinParser::CreateCurrentFont()
 {


@@ -239,24 +281,108 @@ wxFont* wxHtmlWinParser::CreateCurrentFont()
         fi = GetFontItalic(),
         fu = GetFontUnderlined(),
         ff = GetFontFixed(),
         fi = GetFontItalic(),
         fu = GetFontUnderlined(),
         ff = GetFontFixed(),

-        fs = GetFontSize() + 2 /*remap from <-2;4> to <0;7>*/ ;
-
-    if (m_FontsTable[fb][fi][fu][ff][fs] == NULL) {
-        m_FontsTable[fb][fi][fu][ff][fs] =
-            //wxTheFontList -> FindOrCreateFont(
-            new wxFont(
-            m_FontsSizes[fs],
-            ff ? wxMODERN : wxSWISS,
-                fi ? (ff ? m_ItalicModeFixed : m_ItalicModeNormal) : wxNORMAL,
-                fb ? wxBOLD : wxNORMAL,
-                fu ? TRUE : FALSE, ff ? m_FontFaceFixed : m_FontFaceNormal);
+        fs = GetFontSize() - 1 /*remap from <1;7> to <0;6>*/ ;
+
+    wxString face = ff ? m_FontFaceFixed : m_FontFaceNormal;
+    wxString *faceptr = &(m_FontsFacesTable[fb][fi][fu][ff][fs]);
+    wxFont **fontptr = &(m_FontsTable[fb][fi][fu][ff][fs]);
+    wxFontEncoding *encptr = &(m_FontsEncTable[fb][fi][fu][ff][fs]);
+
+    if (*fontptr != NULL && (*faceptr != face || *encptr != m_OutputEnc)) 
+    {
+        delete *fontptr;
+        *fontptr = NULL;
+    }
+
+    if (*fontptr == NULL) 
+    {
+        *faceptr = face;
+        *encptr = m_OutputEnc;
+        *fontptr = new wxFont(
+                       (int) (m_FontsSizes[fs] * m_PixelScale),
+                       ff ? wxMODERN : wxSWISS,
+                       fi ? wxITALIC : wxNORMAL,
+                       fb ? wxBOLD : wxNORMAL,
+                       fu ? TRUE : FALSE, face,
+                       m_OutputEnc);

     }
     }

-    m_DC -> SetFont(*(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_UseLink = (link.GetHref() != wxEmptyString);
+}
+
+
+void wxHtmlWinParser::SetFontFace(const wxString& face) 
+{
+    if (GetFontFixed()) m_FontFaceFixed = face; 
+    else m_FontFaceNormal = face;
+
+    if (m_InputEnc != wxFONTENCODING_DEFAULT)
+        SetInputEncoding(m_InputEnc);
+}
+
+
+
+void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
+{
+    m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
+    if (m_EncConv) {delete m_EncConv; m_EncConv = NULL;}
+
+    if (enc == wxFONTENCODING_DEFAULT) return;
+
+    wxFontEncoding altfix, altnorm;
+    bool availfix, availnorm;
+    
+    // exact match?    
+    availnorm = wxTheFontMapper->IsEncodingAvailable(enc, m_FontFaceNormal);
+    availfix = wxTheFontMapper->IsEncodingAvailable(enc, m_FontFaceFixed);
+    if (availnorm && availfix) 
+        m_OutputEnc = enc;
+    
+    // alternatives?
+    else if (wxTheFontMapper->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE) &&
+             wxTheFontMapper->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, FALSE) &&
+             altnorm == altfix)
+        m_OutputEnc = altnorm;
+    
+    // at least normal face?
+    else if (availnorm)
+        m_OutputEnc = enc;
+    else if (wxTheFontMapper->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, FALSE))
+        m_OutputEnc = altnorm;
+        
+    // okay, let convert to ISO_8859-1, available always
+    else
+        m_OutputEnc = wxFONTENCODING_DEFAULT;
+        
+    m_InputEnc = enc;
+    
+    if (m_InputEnc == m_OutputEnc) return;
+
+    m_EncConv = new wxEncodingConverter();
+    if (!m_EncConv->Init(m_InputEnc, 
+                           (m_OutputEnc == wxFONTENCODING_DEFAULT) ?
+                                      wxFONTENCODING_ISO8859_1 : m_OutputEnc,
+                           wxCONVERT_SUBSTITUTE))  
+    { // total failture :-(
+        wxLogError(_("Failed to display HTML document in %s encoding"), 
+                  wxFontMapper::GetEncodingName(enc).c_str());
+        m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
+        delete m_EncConv;
+        m_EncConv = NULL;
+    }
+}
+
+
+
+

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


@@ -284,6 +410,7 @@ bool wxHtmlTagsModule::OnInit()
 
 void wxHtmlTagsModule::OnExit()
 {
 
 void wxHtmlTagsModule::OnExit()
 {

+    wxHtmlWinParser::RemoveModule(this);

 }
 }

+#endif

 
 

-#endif
\ No newline at end of file