hack to _really_ fix crashes in comctl32.dll when processing HDN_GETDISPINFO

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

diff --git a/src/html/htmltag.cpp b/src/html/htmltag.cpp
index 9d17c87eabe540d825cb8d8162ecdd6ffd61418d..e74bb142be4d77e3dc20acd895b572a928b53a2b 100644 (file)
--- a/src/html/htmltag.cpp
+++ b/src/html/htmltag.cpp
@@ -4,12 +4,12 @@
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
-#ifdef __GNUG__
-#pragma implementation
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+#pragma implementation "htmltag.h"
 #endif
 
 #include "wx/wxprec.h"
@@ -17,7 +17,7 @@
 #include "wx/defs.h"
 #if wxUSE_HTML
 
-#ifdef __BORDLANDC__
+#ifdef __BORLANDC__
 #pragma hdrstop
 #endif
 
@@ -57,10 +57,15 @@ IMPLEMENT_CLASS(wxHtmlTagsCache,wxObject)
 
 #define CACHE_INCREMENT  64
 
+bool wxIsCDATAElement(const wxChar *tag)
+{
+    return (wxStrcmp(tag, _T("SCRIPT")) == 0) ||
+           (wxStrcmp(tag, _T("STYLE")) == 0);
+}
+
 wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
 {
     const wxChar *src = source.c_str();
-    int tg, stpos;
     int lng = source.Length();
     wxChar tagBuffer[256];
 
@@ -75,8 +80,9 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
         {
             if (m_CacheSize % CACHE_INCREMENT == 0)
                 m_Cache = (wxHtmlCacheItem*) realloc(m_Cache, (m_CacheSize + CACHE_INCREMENT) * sizeof(wxHtmlCacheItem));
-            tg = m_CacheSize++;
-            m_Cache[tg].Key = stpos = pos++;
+            int tg = m_CacheSize++;
+            int stpos = pos++;
+            m_Cache[tg].Key = stpos;
 
             int i;
             for ( i = 0;
@@ -108,6 +114,48 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
             else
             {
                 m_Cache[tg].End1 = m_Cache[tg].End2 = -1;
+
+                if (wxIsCDATAElement(tagBuffer))
+                {
+                    // find next matching tag
+                    int tag_len = wxStrlen(tagBuffer);
+                    while (pos < lng)
+                    {
+                        // find the ending tag
+                        while (pos + 1 < lng &&
+                               (src[pos] != '<' || src[pos+1] != '/'))
+                            ++pos;
+                        if (src[pos] == '<')
+                            ++pos;
+                        
+                        // see if it matches
+                        int match_pos = 0;
+                        while (pos < lng && match_pos < tag_len && src[pos] != '>' && src[pos] != '<') {
+                            // cast to wxChar needed to suppress warning in
+                            // Unicode build
+                            if ((wxChar)wxToupper(src[pos]) == tagBuffer[match_pos]) {
+                                ++match_pos;
+                            }  
+                            else if (src[pos] == wxT(' ') || src[pos] == wxT('\n') ||
+                                src[pos] == wxT('\r') || src[pos] == wxT('\t')) {
+                                // need to skip over these
+                            }
+                            else {
+                                match_pos = 0;
+                            }
+                            ++pos;
+                        }
+
+                        // found a match
+                        if (match_pos == tag_len) {
+                            pos = pos - tag_len - 3;
+                            break;
+                        }
+                        else {
+                            ++pos;
+                        }
+                    }
+                }
             }
         }
 
@@ -313,12 +361,12 @@ wxHtmlTag::~wxHtmlTag()
 
 bool wxHtmlTag::HasParam(const wxString& par) const
 {
-    return (m_ParamNames.Index(par, FALSE) != wxNOT_FOUND);
+    return (m_ParamNames.Index(par, false) != wxNOT_FOUND);
 }
 
 wxString wxHtmlTag::GetParam(const wxString& par, bool with_commas) const
 {
-    int index = m_ParamNames.Index(par, FALSE);
+    int index = m_ParamNames.Index(par, false);
     if (index == wxNOT_FOUND)
         return wxEmptyString;
     if (with_commas)
@@ -344,23 +392,23 @@ bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
 {
     wxString str = GetParam(par);
 
-    if (str.IsEmpty()) return FALSE;
+    if (str.IsEmpty()) return false;
     if (str.GetChar(0) == wxT('#'))
     {
         unsigned long tmp;
         if (ScanParam(par, wxT("#%lX"), &tmp) != 1)
-            return FALSE;
+            return false;
         *clr = wxColour((unsigned char)((tmp & 0xFF0000) >> 16),
-                                           (unsigned char)((tmp & 0x00FF00) >> 8),
-                                           (unsigned char)(tmp & 0x0000FF));
-        return TRUE;
+                        (unsigned char)((tmp & 0x00FF00) >> 8),
+                        (unsigned char)(tmp & 0x0000FF));
+        return true;
     }
     else
     {
         // Handle colours defined in HTML 4.0:
         #define HTML_COLOUR(name,r,g,b)                 \
-            if (str.IsSameAs(wxT(name), FALSE))         \
-                { *clr = wxColour(r,g,b); return TRUE; }
+            if (str.IsSameAs(wxT(name), false))         \
+                { *clr = wxColour(r,g,b); return true; }
         HTML_COLOUR("black",   0x00,0x00,0x00)
         HTML_COLOUR("silver",  0xC0,0xC0,0xC0)
         HTML_COLOUR("gray",    0x80,0x80,0x80)
@@ -380,12 +428,12 @@ bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
         #undef HTML_COLOUR
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxHtmlTag::GetParamAsInt(const wxString& par, int *clr) const
 {
-    if (!HasParam(par)) return FALSE;
+    if (!HasParam(par)) return false;
     long i;
     bool succ = GetParam(par).ToLong(&i);
     *clr = (int)i;