]> git.saurik.com Git - wxWidgets.git/blobdiff - src/html/htmltag.cpp
projects / wxWidgets.git / blobdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | inline | side by side
check that the version of __sync_sub_and_fetch that returns a value is supported...
[wxWidgets.git] / src / html / htmltag.cpp
diff --git a/src/html/htmltag.cpp b/src/html/htmltag.cpp
index 1632ed698741fa115bffacb5c58c608a2a48d4ed..d06313704346adb64c43c29d227228e51654d96b 100644 (file)
--- a/src/html/htmltag.cpp
+++ b/src/html/htmltag.cpp
@@ -1,36 +1,33 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        htmltag.cpp
+// Name:        src/html/htmltag.cpp
 // Purpose:     wxHtmlTag class (represents single tag)
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik
 // Purpose:     wxHtmlTag class (represents single tag)
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 
+#include "wx/wxprec.h"
 
 
-#ifdef __GNUG__
-#pragma implementation
+#ifdef __BORLANDC__
+    #pragma hdrstop
 #endif
 
 #endif
 
-#include "wx/wxprec.h"
-
-#include "wx/defs.h"
 #if wxUSE_HTML
 
 #if wxUSE_HTML
 
-#ifdef __BORDLANDC__
-#pragma hdrstop
-#endif
+#include "wx/html/htmltag.h"
 
 
-#ifndef WXPRECOMP
+#ifndef WX_PRECOMP
+    #include "wx/colour.h"
+    #include "wx/wxcrtvararg.h"
 #endif
 
 #endif
 
-#include "wx/html/htmltag.h"
 #include "wx/html/htmlpars.h"
 #include "wx/html/htmlpars.h"
-#include "wx/colour.h"
+#include "wx/vector.h"
+
 #include <stdio.h> // for vsscanf
 #include <stdarg.h>
 
 #include <stdio.h> // for vsscanf
 #include <stdarg.h>
 
-
 //-----------------------------------------------------------------------------
 // wxHtmlTagsCache
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxHtmlTagsCache
 //-----------------------------------------------------------------------------
@@ -39,103 +36,219 @@ struct wxHtmlCacheItem
 {
     // this is "pos" value passed to wxHtmlTag's constructor.
     // it is position of '<' character of the tag
 {
     // this is "pos" value passed to wxHtmlTag's constructor.
     // it is position of '<' character of the tag
-    int Key;
+    wxString::const_iterator Key;
+
+    // Tag type
+    enum Type
+    {
+        Type_Normal, // normal tag with a matching ending tag
+        Type_NoMatchingEndingTag, // there's no ending tag for this tag
+        Type_EndingTag // this is ending tag </..>
+    };
+    Type type;
 
     // end positions for the tag:
     // end1 is '<' of ending tag,
     // end2 is '>' or both are
 
     // end positions for the tag:
     // end1 is '<' of ending tag,
     // end2 is '>' or both are
-    // -1 if there is no ending tag for this one...
-    // or -2 if this is ending tag  </...>
-    int End1, End2;
+    wxString::const_iterator End1, End2;
 
     // name of this tag
     wxChar *Name;
 };
 
 
     // name of this tag
     wxChar *Name;
 };
 
+// NB: this is an empty class and not typedef because of forward declaration
+class wxHtmlTagsCacheData : public wxVector<wxHtmlCacheItem>
+{
+};
 
 
-IMPLEMENT_CLASS(wxHtmlTagsCache,wxObject)
+bool wxIsCDATAElement(const wxChar *tag)
+{
+    return (wxStrcmp(tag, _T("SCRIPT")) == 0) ||
+           (wxStrcmp(tag, _T("STYLE")) == 0);
+}
 
 
-#define CACHE_INCREMENT  64
+bool wxIsCDATAElement(const wxString& tag)
+{
+    return (wxStrcmp(tag.wx_str(), wxSTRING_TEXT("SCRIPT")) == 0) ||
+           (wxStrcmp(tag.wx_str(), wxSTRING_TEXT("STYLE")) == 0);
+}
 
 wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
 {
 
 wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
 {
-    const wxChar *src = source.c_str();
-    int i, tg, pos, stpos;
-    int lng = source.Length();
-    wxChar dummy[256];
-
-    m_Cache = NULL;
-    m_CacheSize = 0;
+    m_Cache = new wxHtmlTagsCacheData;
     m_CachePos = 0;
 
     m_CachePos = 0;
 
-    pos = 0;
-    while (pos < lng) 
+    wxChar tagBuffer[256];
+
+    const wxString::const_iterator end = source.end();
+    for ( wxString::const_iterator pos = source.begin(); pos < end; ++pos )
     {
     {
-        if (src[pos] == wxT('<'))   // tag found:
+        if (*pos == wxT('<'))   // tag found:
         {
         {
-            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++;
-            dummy[0] = 0; i = 0;
-            while (pos < lng && 
-                   src[pos] != wxT('>') &&
-                   src[pos] != wxT(' ') && src[pos] != wxT('\r') && 
-                   src[pos] != wxT('\n') && src[pos] != wxT('\t')) 
+            // don't cache comment tags
+            if ( wxHtmlParser::SkipCommentTag(pos, source.end()) )
+                continue;
+
+            size_t tg = Cache().size();
+            Cache().push_back(wxHtmlCacheItem());
+
+            wxString::const_iterator stpos = pos++;
+            Cache()[tg].Key = stpos;
+
+            int i;
+            for ( i = 0;
+                  pos < end && i < (int)WXSIZEOF(tagBuffer) - 1 &&
+                  *pos != wxT('>') && !wxIsspace(*pos);
+                  ++i, ++pos )
             {
             {
-                dummy[i] = src[pos++];
-                if ((dummy[i] >= wxT('a')) && (dummy[i] <= wxT('z'))) dummy[i] -= (wxT('a') - wxT('A'));
-                i++;
+                tagBuffer[i] = (wxChar)wxToupper(*pos);
             }
             }
-            dummy[i] = 0;
-            m_Cache[tg].Name = new wxChar[i+1];
-            memcpy(m_Cache[tg].Name, dummy, (i+1)*sizeof(wxChar));
+            tagBuffer[i] = _T('\0');
 
 
-            while (pos < lng && src[pos] != wxT('>')) pos++;
+            Cache()[tg].Name = new wxChar[i+1];
+            memcpy(Cache()[tg].Name, tagBuffer, (i+1)*sizeof(wxChar));
 
 
-            if (src[stpos+1] == wxT('/')) // ending tag:
+            while (pos < end && *pos != wxT('>'))
+                ++pos;
+
+            if ((stpos+1) < end && *(stpos+1) == wxT('/')) // ending tag:
             {
             {
-                m_Cache[tg].End1 = m_Cache[tg].End2 = -2;
+                Cache()[tg].type = wxHtmlCacheItem::Type_EndingTag;
                 // find matching begin tag:
                 for (i = tg; i >= 0; i--)
                 // find matching begin tag:
                 for (i = tg; i >= 0; i--)
-                    if ((m_Cache[i].End1 == -1) && (wxStrcmp(m_Cache[i].Name, dummy+1) == 0)) 
+                {
+                    if ((Cache()[i].type == wxHtmlCacheItem::Type_NoMatchingEndingTag) && (wxStrcmp(Cache()[i].Name, tagBuffer+1) == 0))
                     {
                     {
-                        m_Cache[i].End1 = stpos;
-                        m_Cache[i].End2 = pos + 1;
+                        Cache()[i].type = wxHtmlCacheItem::Type_Normal;
+                        Cache()[i].End1 = stpos;
+                        Cache()[i].End2 = pos + 1;
                         break;
                     }
                         break;
                     }
+                }
             }
             }
-            else 
+            else
             {
             {
-                m_Cache[tg].End1 = m_Cache[tg].End2 = -1;
+                Cache()[tg].type = wxHtmlCacheItem::Type_NoMatchingEndingTag;
+
+                if (wxIsCDATAElement(tagBuffer))
+                {
+                    // store the orig pos in case we are missing the closing
+                    // tag (see below)
+                    const wxString::const_iterator old_pos = pos;
+                    bool foundCloseTag = false;
+
+                    // find next matching tag
+                    int tag_len = wxStrlen(tagBuffer);
+                    while (pos < end)
+                    {
+                        // find the ending tag
+                        while (pos + 1 < end &&
+                               (*pos != '<' || *(pos+1) != '/'))
+                            ++pos;
+                        if (*pos == '<')
+                            ++pos;
+
+                        // see if it matches
+                        int match_pos = 0;
+                        while (pos < end && match_pos < tag_len )
+                        {
+                            wxChar c = *pos;
+                            if ( c == '>' || c == '<' )
+                                break;
+
+                            // cast to wxChar needed to suppress warning in
+                            // Unicode build
+                            if ((wxChar)wxToupper(c) == tagBuffer[match_pos])
+                            {
+                                ++match_pos;
+                            }
+                            else if (c == wxT(' ') || c == wxT('\n') ||
+                                c == wxT('\r') || c == 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;
+                    }
+                }
             }
         }
             }
         }
-
-        pos++;
     }
 
     // ok, we're done, now we'll free .Name members of cache - we don't need it anymore:
     }
 
     // ok, we're done, now we'll free .Name members of cache - we don't need it anymore:
-    for (i = 0; i < m_CacheSize; i++) 
+    for ( wxHtmlTagsCacheData::iterator i = Cache().begin();
+          i != Cache().end(); ++i )
     {
     {
-        delete[] m_Cache[i].Name;
-        m_Cache[i].Name = NULL;
+        delete[] i->Name;
+        i->Name = NULL;
     }
 }
 
     }
 }
 
-void wxHtmlTagsCache::QueryTag(int at, int* end1, int* end2)
+wxHtmlTagsCache::~wxHtmlTagsCache()
+{
+    delete m_Cache;
+}
+
+void wxHtmlTagsCache::QueryTag(const wxString::const_iterator& at,
+                               const wxString::const_iterator& inputEnd,
+                               wxString::const_iterator *end1,
+                               wxString::const_iterator *end2,
+                               bool *hasEnding)
 {
 {
-    if (m_Cache == NULL) return;
-    if (m_Cache[m_CachePos].Key != at) 
+    if (Cache().empty())
+        return;
+
+    if (Cache()[m_CachePos].Key != at)
     {
     {
-        int delta = (at < m_Cache[m_CachePos].Key) ? -1 : 1;
-        do 
-        { 
-            m_CachePos += delta; 
+        int delta = (at < Cache()[m_CachePos].Key) ? -1 : 1;
+        do
+        {
+            m_CachePos += delta;
+
+            if ( m_CachePos < 0 || m_CachePos >= (int)Cache().size() )
+            {
+                if ( m_CachePos < 0 )
+                    m_CachePos = 0;
+                else
+                    m_CachePos = Cache().size() - 1;
+                // 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 = inputEnd;
+                *hasEnding = true;
+                return;
+            }
         }
         }
-        while (m_Cache[m_CachePos].Key != at);
+        while (Cache()[m_CachePos].Key != at);
     }
     }
-    *end1 = m_Cache[m_CachePos].End1;
-    *end2 = m_Cache[m_CachePos].End2;
+    *end1 = Cache()[m_CachePos].End1;
+    *end2 = Cache()[m_CachePos].End2;
+    *hasEnding = (Cache()[m_CachePos].type == wxHtmlCacheItem::Type_Normal);
 }
 
 
 }
 
 
@@ -145,12 +258,12 @@ void wxHtmlTagsCache::QueryTag(int at, int* end1, int* end2)
 // wxHtmlTag
 //-----------------------------------------------------------------------------
 
 // wxHtmlTag
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_CLASS(wxHtmlTag,wxObject)
-
 wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
 wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
-                     const wxString& source, int pos, int end_pos, 
+                     const wxString *source,
+                     const wxString::const_iterator& pos,
+                     const wxString::const_iterator& end_pos,
                      wxHtmlTagsCache *cache,
                      wxHtmlTagsCache *cache,
-                     wxHtmlEntitiesParser *entParser) : wxObject()
+                     wxHtmlEntitiesParser *entParser)
 {
     /* Setup DOM relations */
 
 {
     /* Setup DOM relations */
 
@@ -170,54 +283,53 @@ wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
         m_Prev = NULL;
 
     /* Find parameters and their values: */
         m_Prev = NULL;
 
     /* Find parameters and their values: */
-    
-    int i;
+
     wxChar c;
 
     // fill-in name, params and begin pos:
     wxChar c;
 
     // fill-in name, params and begin pos:
-    i = pos+1;
+    wxString::const_iterator i(pos+1);
 
     // find tag's name and convert it to uppercase:
 
     // find tag's name and convert it to uppercase:
-    while ((i < end_pos) && 
-           ((c = source[i++]) != wxT(' ') && c != wxT('\r') && 
+    while ((i < end_pos) &&
+           ((c = *(i++)) != wxT(' ') && c != wxT('\r') &&
              c != wxT('\n') && c != wxT('\t') &&
              c != wxT('\n') && c != wxT('\t') &&
-             c != wxT('>'))) 
+             c != wxT('>')))
     {
     {
-        if ((c >= wxT('a')) && (c <= wxT('z'))) 
+        if ((c >= wxT('a')) && (c <= wxT('z')))
             c -= (wxT('a') - wxT('A'));
         m_Name << c;
     }
 
     // if the tag has parameters, read them and "normalize" them,
             c -= (wxT('a') - wxT('A'));
         m_Name << c;
     }
 
     // if the tag has parameters, read them and "normalize" them,
-    // i.e. convert to uppercase, replace whitespaces by spaces and 
+    // i.e. convert to uppercase, replace whitespaces by spaces and
     // remove whitespaces around '=':
     // remove whitespaces around '=':
-    if (source[i-1] != wxT('>'))
+    if (*(i-1) != wxT('>'))
     {
         #define IS_WHITE(c) (c == wxT(' ') || c == wxT('\r') || \
                              c == wxT('\n') || c == wxT('\t'))
         wxString pname, pvalue;
         wxChar quote;
     {
         #define IS_WHITE(c) (c == wxT(' ') || c == wxT('\r') || \
                              c == wxT('\n') || c == wxT('\t'))
         wxString pname, pvalue;
         wxChar quote;
-        enum 
+        enum
         {
         {
-            ST_BEFORE_NAME = 1, 
+            ST_BEFORE_NAME = 1,
             ST_NAME,
             ST_BEFORE_EQ,
             ST_BEFORE_VALUE,
             ST_VALUE
         } state;
             ST_NAME,
             ST_BEFORE_EQ,
             ST_BEFORE_VALUE,
             ST_VALUE
         } state;
-    
+
         quote = 0;
         state = ST_BEFORE_NAME;
         while (i < end_pos)
         {
         quote = 0;
         state = ST_BEFORE_NAME;
         while (i < end_pos)
         {
-            c = source[i++];
+            c = *(i++);
 
 
-            if (c == wxT('>') && !(state == ST_VALUE && quote != 0)) 
+            if (c == wxT('>') && !(state == ST_VALUE && quote != 0))
             {
                 if (state == ST_BEFORE_EQ || state == ST_NAME)
                 {
                     m_ParamNames.Add(pname);
             {
                 if (state == ST_BEFORE_EQ || state == ST_NAME)
                 {
                     m_ParamNames.Add(pname);
-                    m_ParamValues.Add(wxEmptyString);
+                    m_ParamValues.Add(wxGetEmptyString());
                 }
                 else if (state == ST_VALUE && quote == 0)
                 {
                 }
                 else if (state == ST_VALUE && quote == 0)
                 {
@@ -252,7 +364,7 @@ wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
                     else if (!IS_WHITE(c))
                     {
                         m_ParamNames.Add(pname);
                     else if (!IS_WHITE(c))
                     {
                         m_ParamNames.Add(pname);
-                        m_ParamValues.Add(wxEmptyString);
+                        m_ParamValues.Add(wxGetEmptyString());
                         pname = c;
                         state = ST_NAME;
                     }
                         pname = c;
                         state = ST_NAME;
                     }
@@ -261,7 +373,7 @@ wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
                     if (!IS_WHITE(c))
                     {
                         if (c == wxT('"') || c == wxT('\''))
                     if (!IS_WHITE(c))
                     {
                         if (c == wxT('"') || c == wxT('\''))
-                            quote = c, pvalue = wxEmptyString;
+                            quote = c, pvalue = wxGetEmptyString();
                         else
                             quote = 0, pvalue = c;
                         state = ST_VALUE;
                         else
                             quote = 0, pvalue = c;
                         state = ST_VALUE;
@@ -289,14 +401,17 @@ wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
                     break;
             }
         }
                     break;
             }
         }
-        
+
         #undef IS_WHITE
         #undef IS_WHITE
-   }
-   m_Begin = i;
+    }
+    m_Begin = i;
+    cache->QueryTag(pos, source->end(), &m_End1, &m_End2, &m_hasEnding);
+    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;
+#if WXWIN_COMPATIBILITY_2_8
+    m_sourceStart = source->begin();
+#endif
 }
 
 wxHtmlTag::~wxHtmlTag()
 }
 
 wxHtmlTag::~wxHtmlTag()
@@ -313,15 +428,15 @@ wxHtmlTag::~wxHtmlTag()
 
 bool wxHtmlTag::HasParam(const wxString& par) const
 {
 
 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
+wxString wxHtmlTag::GetParam(const wxString& par, bool with_quotes) const
 {
 {
-    int index = m_ParamNames.Index(par, FALSE);
+    int index = m_ParamNames.Index(par, false);
     if (index == wxNOT_FOUND)
     if (index == wxNOT_FOUND)
-        return wxEmptyString;
-    if (with_commas)
+        return wxGetEmptyString();
+    if (with_quotes)
     {
         // VS: backward compatibility, seems to be never used by wxHTML...
         wxString s;
     {
         // VS: backward compatibility, seems to be never used by wxHTML...
         wxString s;
@@ -332,7 +447,17 @@ wxString wxHtmlTag::GetParam(const wxString& par, bool with_commas) const
         return m_ParamValues[index];
 }
 
         return m_ParamValues[index];
 }
 
-int wxHtmlTag::ScanParam(const wxString& par, wxChar *format, void *param) const
+int wxHtmlTag::ScanParam(const wxString& par,
+                         const char *format,
+                         void *param) const
+{
+    wxString parval = GetParam(par);
+    return wxSscanf(parval, format, param);
+}
+
+int wxHtmlTag::ScanParam(const wxString& par,
+                         const wchar_t *format,
+                         void *param) const
 {
     wxString parval = GetParam(par);
     return wxSscanf(parval, format, param);
 {
     wxString parval = GetParam(par);
     return wxSscanf(parval, format, param);
@@ -340,25 +465,16 @@ int wxHtmlTag::ScanParam(const wxString& par, wxChar *format, void *param) const
 
 bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
 {
 
 bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
 {
+    wxCHECK_MSG( clr, false, _T("invalid colour argument") );
+
     wxString str = GetParam(par);
     wxString str = GetParam(par);
-    
-    if (str.IsEmpty()) return FALSE;
-    if (str.GetChar(0) == wxT('#'))
-    {
-        unsigned long tmp;
-        if (ScanParam(par, wxT("#%lX"), &tmp) != 1)
-            return FALSE;
-        *clr = wxColour((unsigned char)((tmp & 0xFF0000) >> 16),
-                                           (unsigned char)((tmp & 0x00FF00) >> 8),
-                                           (unsigned char)(tmp & 0x0000FF));
-        return TRUE;
-    }
-    else
+
+    // handle colours defined in HTML 4.0 first:
+    if (str.length() > 1 && str[0] != _T('#'))
     {
     {
-        // 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; }
+        #define HTML_COLOUR(name, r, g, b)                        \
+            if (str.IsSameAs(wxSTRING_TEXT(name), false))         \
+                { clr->Set(r, g, b); return true; }
         HTML_COLOUR("black",   0x00,0x00,0x00)
         HTML_COLOUR("silver",  0xC0,0xC0,0xC0)
         HTML_COLOUR("gray",    0x80,0x80,0x80)
         HTML_COLOUR("black",   0x00,0x00,0x00)
         HTML_COLOUR("silver",  0xC0,0xC0,0xC0)
         HTML_COLOUR("gray",    0x80,0x80,0x80)
@@ -376,13 +492,21 @@ bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
         HTML_COLOUR("teal",    0x00,0x80,0x80)
         HTML_COLOUR("aqua",    0x00,0xFF,0xFF)
         #undef HTML_COLOUR
         HTML_COLOUR("teal",    0x00,0x80,0x80)
         HTML_COLOUR("aqua",    0x00,0xFF,0xFF)
         #undef HTML_COLOUR
-        return FALSE;
     }
     }
+
+    // then try to parse #rrggbb representations or set from other well
+    // known names (note that this doesn't strictly conform to HTML spec,
+    // but it doesn't do real harm -- but it *must* be done after the standard
+    // colors are handled above):
+    if (clr->Set(str))
+        return true;
+
+    return false;
 }
 
 bool wxHtmlTag::GetParamAsInt(const wxString& par, int *clr) const
 {
 }
 
 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;
     long i;
     bool succ = GetParam(par).ToLong(&i);
     *clr = (int)i;
@@ -391,7 +515,7 @@ bool wxHtmlTag::GetParamAsInt(const wxString& par, int *clr) const
 
 wxString wxHtmlTag::GetAllParams() 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();
     //     never used by wxHTML
     wxString s;
     size_t cnt = m_ParamNames.GetCount();
@@ -414,7 +538,7 @@ wxHtmlTag *wxHtmlTag::GetFirstSibling() const
     else
     {
         wxHtmlTag *cur = (wxHtmlTag*)this;
     else
     {
         wxHtmlTag *cur = (wxHtmlTag*)this;
-        while (cur->m_Prev) 
+        while (cur->m_Prev)
             cur = cur->m_Prev;
         return cur;
     }
             cur = cur->m_Prev;
         return cur;
     }
@@ -427,7 +551,7 @@ wxHtmlTag *wxHtmlTag::GetLastSibling() const
     else
     {
         wxHtmlTag *cur = (wxHtmlTag*)this;
     else
     {
         wxHtmlTag *cur = (wxHtmlTag*)this;
-        while (cur->m_Next) 
+        while (cur->m_Next)
             cur = cur->m_Next;
         return cur;
     }
             cur = cur->m_Next;
         return cur;
     }
@@ -439,7 +563,7 @@ wxHtmlTag *wxHtmlTag::GetNextTag() const
     if (m_Next) return m_Next;
     wxHtmlTag *cur = m_Parent;
     if (!cur) return NULL;
     if (m_Next) return m_Next;
     wxHtmlTag *cur = m_Parent;
     if (!cur) return NULL;
-    while (cur->m_Parent && !cur->m_Next) 
+    while (cur->m_Parent && !cur->m_Next)
         cur = cur->m_Parent;
     return cur->m_Next;
 }
         cur = cur->m_Parent;
     return cur->m_Next;
 }
wxWidgets (Impactor)