]> git.saurik.com Git - wxWidgets.git/blobdiff - src/html/htmltag.cpp
Rebake after recguard.h added to bakefiles
[wxWidgets.git] / src / html / htmltag.cpp
index 47ac16a2e424894e2761630c74690dd673d567a8..1ac1e8d09e8b45dc7a0272b7e697914148409f82 100644 (file)
@@ -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 "htmltag.h"
 #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;
@@ -84,7 +90,7 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
                   src[pos] != wxT('>') && !wxIsspace(src[pos]);
                   i++, pos++ )
             {
-                tagBuffer[i] = wxToupper(src[pos]);
+                tagBuffer[i] = (wxChar)wxToupper(src[pos]);
             }
             tagBuffer[i] = _T('\0');
 
@@ -108,6 +114,64 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
             else
             {
                 m_Cache[tg].End1 = m_Cache[tg].End2 = -1;
+
+                if (wxIsCDATAElement(tagBuffer))
+                {
+                    // store the orig pos in case we are missing the closing
+                    // tag (see below)
+                    wxInt32 old_pos = pos;
+                    bool foundCloseTag = false;
+
+                    // 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;
+                            foundCloseTag = true;
+                            break;
+                        }
+                        else // keep looking for the closing tag
+                        {
+                            ++pos;
+                        }
+                    }
+                    if (!foundCloseTag)
+                    {
+                        // we didn't find closing tag; this means the markup
+                        // is incorrect and the best thing we can do is to
+                        // ignore the unclosed tag and continue parsing as if
+                        // it didn't exist:
+                        pos = old_pos;
+                    }
+                }
             }
         }
 
@@ -130,6 +194,16 @@ void wxHtmlTagsCache::QueryTag(int at, int* end1, int* end2)
         int delta = (at < m_Cache[m_CachePos].Key) ? -1 : 1;
         do
         {
+            if ( m_CachePos < 0 || m_CachePos == m_CacheSize )
+            {
+                // something is very wrong with HTML, give up by returning an
+                // impossibly large value which is going to be ignored by the
+                // caller
+                *end1 =
+                *end2 = INT_MAX;
+                return;
+            }
+
             m_CachePos += delta;
         }
         while (m_Cache[m_CachePos].Key != at);
@@ -291,12 +365,12 @@ wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
         }
 
         #undef IS_WHITE
-   }
-   m_Begin = i;
+    }
+    m_Begin = i;
 
-   cache->QueryTag(pos, &m_End1, &m_End2);
-   if (m_End1 > end_pos) m_End1 = end_pos;
-   if (m_End2 > end_pos) m_End2 = end_pos;
+    cache->QueryTag(pos, &m_End1, &m_End2);
+    if (m_End1 > end_pos) m_End1 = end_pos;
+    if (m_End2 > end_pos) m_End2 = end_pos;
 }
 
 wxHtmlTag::~wxHtmlTag()
@@ -313,12 +387,12 @@ 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 +418,23 @@ bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
 {
     wxString str = GetParam(par);
 
-    if (str.IsEmpty()) return FALSE;
+    if (str.empty()) 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 +454,12 @@ 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;
@@ -394,7 +468,7 @@ bool wxHtmlTag::GetParamAsInt(const wxString& par, int *clr) const
 
 wxString wxHtmlTag::GetAllParams() const
 {
-    // VS: this function is for backward compatiblity only,
+    // VS: this function is for backward compatibility only,
     //     never used by wxHTML
     wxString s;
     size_t cnt = m_ParamNames.GetCount();
@@ -447,4 +521,13 @@ wxHtmlTag *wxHtmlTag::GetNextTag() const
     return cur->m_Next;
 }
 
+#if WXWIN_COMPATIBILITY_2_2
+
+bool wxHtmlTag::IsEnding() const
+{
+    return false;
+}
+
+#endif // WXWIN_COMPATIBILITY_2_2
+
 #endif