Crash fix under VC++

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

diff --git a/src/html/htmlpars.cpp b/src/html/htmlpars.cpp
index 8c9eca91d3603888d2462e826c3838ffb1990349..296138bb67fc018b8d908a8dd42dd2e9f05c9b44 100644 (file)
--- a/src/html/htmlpars.cpp
+++ b/src/html/htmlpars.cpp
@@ -4,11 +4,11 @@
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "htmlpars.h"
 #endif
 
@@ -35,6 +35,16 @@
 #include "wx/dynarray.h"
 #include "wx/arrimpl.cpp"
 
+#ifdef __WXWINCE__
+    #include "wx/msw/wince/missing.h"       // for bsearch()
+#endif
+
+// DLL options compatibility check:
+#include "wx/app.h"
+WX_CHECK_BUILD_OPTIONS("wxHTML")
+
+const wxChar *wxTRACE_HTML_DEBUG = _T("htmldebug");
+
 //-----------------------------------------------------------------------------
 // wxHtmlParser helpers
 //-----------------------------------------------------------------------------
@@ -109,7 +119,7 @@ wxObject* wxHtmlParser::Parse(const wxString& source)
 void wxHtmlParser::InitParser(const wxString& source)
 {
     SetSource(source);
-    m_stopParsing = FALSE;
+    m_stopParsing = false;
 }
 
 void wxHtmlParser::DoneParser()
@@ -194,7 +204,7 @@ void wxHtmlParser::CreateDOMSubTree(wxHtmlTag *cur,
 
             // add another tag to the tree:
             else if (i < end_pos-1 && m_Source.GetChar(i+1) != wxT('/'))
-               {
+            {
                 wxHtmlTag *chd;
                 if (cur)
                     chd = new wxHtmlTag(cur, m_Source,
@@ -227,7 +237,7 @@ void wxHtmlParser::CreateDOMSubTree(wxHtmlTag *cur,
                 }
                 else
                     i = chd->GetBeginPos();
-                
+
                 textBeginning = i;
             }
 
@@ -320,7 +330,7 @@ void wxHtmlParser::DoParsing(int begin_pos, int end_pos)
 void wxHtmlParser::AddTag(const wxHtmlTag& tag)
 {
     wxHtmlTagHandler *h;
-    bool inner = FALSE;
+    bool inner = false;
 
     h = (wxHtmlTagHandler*) m_HandlersHash.Get(tag.GetName());
     if (h)
@@ -375,7 +385,12 @@ void wxHtmlParser::PopTagHandler()
     wxList::compatibility_iterator first;
 
     if ( !m_HandlersStack ||
-         (first = m_HandlersStack->GetFirst()) == NULL )
+#if wxUSE_STL
+         !(first = m_HandlersStack->GetFirst())
+#else // !wxUSE_STL
+         ((first = m_HandlersStack->GetFirst()) == NULL)
+#endif // wxUSE_STL/!wxUSE_STL
+        )
     {
         wxLogWarning(_("Warning: attempt to remove HTML tag handler from empty stack."));
         return;
@@ -409,7 +424,7 @@ void wxHtmlParser::SetSourceAndSaveState(const wxString& src)
 
 bool wxHtmlParser::RestoreState()
 {
-    if (!m_SavedStates) return FALSE;
+    if (!m_SavedStates) return false;
 
     DestroyDOMTree();
 
@@ -423,7 +438,7 @@ bool wxHtmlParser::RestoreState()
     m_Source = s->m_source;
 
     delete s;
-    return TRUE;
+    return true;
 }
 
 //-----------------------------------------------------------------------------
@@ -476,7 +491,7 @@ wxString wxHtmlEntitiesParser::Parse(const wxString& input)
     const wxChar *c, *last;
     const wxChar *in_str = input.c_str();
     wxString output;
-    
+
     output.reserve(input.length());
 
     for (c = in_str, last = in_str; *c != wxT('\0'); c++)
@@ -486,11 +501,11 @@ wxString wxHtmlEntitiesParser::Parse(const wxString& input)
             if (c - last > 0)
                 output.append(last, c - last);
             if (++c == wxT('\0')) break;
-        
+
             wxString entity;
             const wxChar *ent_s = c;
             wxChar entity_char;
-        
+
             for (; (*c >= wxT('a') && *c <= wxT('z')) ||
                    (*c >= wxT('A') && *c <= wxT('Z')) ||
                    (*c >= wxT('0') && *c <= wxT('9')) ||
@@ -504,7 +519,9 @@ wxString wxHtmlEntitiesParser::Parse(const wxString& input)
             else
             {
                 output.append(ent_s-1, c-ent_s+2);
-                wxLogDebug(wxT("Unrecognized HTML entity: '%s'"), entity.c_str());
+                wxLogTrace(wxTRACE_HTML_DEBUG,
+                           wxT("Unrecognized HTML entity: '%s'"),
+                           entity.c_str());
             }
         }
     }
@@ -840,10 +857,11 @@ wxChar wxHtmlEntitiesParser::GetEntityChar(const wxString& entity)
         return GetCharForCode(code);
 }
 
-wxFSFile *wxHtmlParser::OpenURL(wxHtmlURLType WXUNUSED(type), 
+wxFSFile *wxHtmlParser::OpenURL(wxHtmlURLType WXUNUSED(type),
                                 const wxString& url) const
 {
-    return GetFS()->OpenFile(url);
+    return m_FS ? m_FS->OpenFile(url) : NULL;
+
 }
 
 
@@ -854,9 +872,14 @@ wxFSFile *wxHtmlParser::OpenURL(wxHtmlURLType WXUNUSED(type),
 class wxMetaTagParser : public wxHtmlParser
 {
 public:
+    wxMetaTagParser() { }
+
     wxObject* GetProduct() { return NULL; }
+
 protected:
     virtual void AddText(const wxChar* WXUNUSED(txt)) {}
+
+    DECLARE_NO_COPY_CLASS(wxMetaTagParser)
 };
 
 class wxMetaTagHandler : public wxHtmlTagHandler
@@ -868,6 +891,8 @@ public:
 
 private:
     wxString *m_retval;
+
+    DECLARE_NO_COPY_CLASS(wxMetaTagHandler)
 };
 
 bool wxMetaTagHandler::HandleTag(const wxHtmlTag& tag)
@@ -875,21 +900,21 @@ bool wxMetaTagHandler::HandleTag(const wxHtmlTag& tag)
     if (tag.GetName() == _T("BODY"))
     {
         m_Parser->StopParsing();
-        return FALSE;
+        return false;
     }
 
     if (tag.HasParam(_T("HTTP-EQUIV")) &&
         tag.GetParam(_T("HTTP-EQUIV")).IsSameAs(_T("Content-Type"), false) &&
         tag.HasParam(_T("CONTENT")))
     {
-        wxString content = tag.GetParam(_T("CONTENT"));
+        wxString content = tag.GetParam(_T("CONTENT")).Lower();
         if (content.Left(19) == _T("text/html; charset="))
         {
             *m_retval = content.Mid(19);
             m_Parser->StopParsing();
         }
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -897,11 +922,14 @@ bool wxMetaTagHandler::HandleTag(const wxHtmlTag& tag)
 wxString wxHtmlParser::ExtractCharsetInformation(const wxString& markup)
 {
     wxString charset;
-    wxMetaTagParser parser;
-    parser.AddTagHandler(new wxMetaTagHandler(&charset));
-    parser.Parse(markup);
+    wxMetaTagParser *parser = new wxMetaTagParser();
+    if(parser)
+    {
+        parser->AddTagHandler(new wxMetaTagHandler(&charset));
+        parser->Parse(markup);
+        delete parser;
+    }
     return charset;
 }
 
-
 #endif