X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/04dbb6467be8f564f380bd9a1106fbdecbd26a98..65dc921d3f1080b8b5c6ca49d2cce228d6924480:/src/html/htmltag.cpp

diff --git a/src/html/htmltag.cpp b/src/html/htmltag.cpp
index 05cdc2aba5..0b0b894f5b 100644
--- a/src/html/htmltag.cpp
+++ b/src/html/htmltag.cpp
@@ -9,7 +9,7 @@
 
 
 #ifdef __GNUG__
-#pragma implementation
+#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
 
@@ -26,6 +26,7 @@
 
 #include "wx/html/htmltag.h"
 #include "wx/html/htmlpars.h"
+#include "wx/colour.h"
 #include <stdio.h> // for vsscanf
 #include <stdarg.h>
 
@@ -56,19 +57,25 @@ 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 i, tg, pos, stpos;
+    int tg, stpos;
     int lng = source.Length();
-    wxChar dummy[256];
+    wxChar tagBuffer[256];
 
     m_Cache = NULL;
     m_CacheSize = 0;
     m_CachePos = 0;
 
-    pos = 0;
-    while (pos < lng) 
+    int pos = 0;
+    while (pos < lng)
     {
         if (src[pos] == wxT('<'))   // tag found:
         {
@@ -76,19 +83,19 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
                 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')) 
+
+            int i;
+            for ( i = 0;
+                  pos < lng && i < (int)WXSIZEOF(tagBuffer) - 1 &&
+                  src[pos] != wxT('>') && !wxIsspace(src[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] = wxToupper(src[pos]);
             }
-            dummy[i] = 0;
+            tagBuffer[i] = _T('\0');
+
             m_Cache[tg].Name = new wxChar[i+1];
-            memcpy(m_Cache[tg].Name, dummy, (i+1)*sizeof(wxChar));
+            memcpy(m_Cache[tg].Name, tagBuffer, (i+1)*sizeof(wxChar));
 
             while (pos < lng && src[pos] != wxT('>')) pos++;
 
@@ -97,16 +104,57 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
                 m_Cache[tg].End1 = m_Cache[tg].End2 = -2;
                 // 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 ((m_Cache[i].End1 == -1) && (wxStrcmp(m_Cache[i].Name, tagBuffer+1) == 0))
                     {
                         m_Cache[i].End1 = stpos;
                         m_Cache[i].End2 = pos + 1;
                         break;
                     }
             }
-            else 
+            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] != '<') {
+                            if (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;
+                            stpos = pos;
+                            break;
+                        }
+                        else {
+                            ++pos;
+                        }
+                    }
+                }
             }
         }
 
@@ -114,7 +162,7 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
     }
 
     // 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 (int i = 0; i < m_CacheSize; i++)
     {
         delete[] m_Cache[i].Name;
         m_Cache[i].Name = NULL;
@@ -124,12 +172,12 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
 void wxHtmlTagsCache::QueryTag(int at, int* end1, int* end2)
 {
     if (m_Cache == NULL) return;
-    if (m_Cache[m_CachePos].Key != at) 
+    if (m_Cache[m_CachePos].Key != at)
     {
         int delta = (at < m_Cache[m_CachePos].Key) ? -1 : 1;
-        do 
-        { 
-            m_CachePos += delta; 
+        do
+        {
+            m_CachePos += delta;
         }
         while (m_Cache[m_CachePos].Key != at);
     }
@@ -146,33 +194,49 @@ void wxHtmlTagsCache::QueryTag(int at, int* end1, int* end2)
 
 IMPLEMENT_CLASS(wxHtmlTag,wxObject)
 
-wxHtmlTag::wxHtmlTag(const wxString& source, int pos, int end_pos, 
+wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
+                     const wxString& source, int pos, int end_pos,
                      wxHtmlTagsCache *cache,
                      wxHtmlEntitiesParser *entParser) : wxObject()
 {
+    /* Setup DOM relations */
+
+    m_Next = NULL;
+    m_FirstChild = m_LastChild = NULL;
+    m_Parent = parent;
+    if (parent)
+    {
+        m_Prev = m_Parent->m_LastChild;
+        if (m_Prev == NULL)
+            m_Parent->m_FirstChild = this;
+        else
+            m_Prev->m_Next = this;
+        m_Parent->m_LastChild = this;
+    }
+    else
+        m_Prev = NULL;
+
+    /* Find parameters and their values: */
+
     int i;
     wxChar c;
 
     // fill-in name, params and begin pos:
     i = pos+1;
-    if (source[i] == wxT('/')) 
-        { m_Ending = TRUE; i++; }
-    else 
-        m_Ending = FALSE;
 
     // 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 = source[i++]) != wxT(' ') && c != wxT('\r') &&
              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,
-    // i.e. convert to uppercase, replace whitespaces by spaces and 
+    // i.e. convert to uppercase, replace whitespaces by spaces and
     // remove whitespaces around '=':
     if (source[i-1] != wxT('>'))
     {
@@ -180,22 +244,22 @@ wxHtmlTag::wxHtmlTag(const wxString& source, int pos, int end_pos,
                              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;
-    
+
         quote = 0;
         state = ST_BEFORE_NAME;
         while (i < end_pos)
         {
             c = source[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)
                 {
@@ -272,7 +336,7 @@ wxHtmlTag::wxHtmlTag(const wxString& source, int pos, int end_pos,
                     break;
             }
         }
-        
+
         #undef IS_WHITE
    }
    m_Begin = i;
@@ -282,6 +346,18 @@ wxHtmlTag::wxHtmlTag(const wxString& source, int pos, int end_pos,
    if (m_End2 > end_pos) m_End2 = end_pos;
 }
 
+wxHtmlTag::~wxHtmlTag()
+{
+    wxHtmlTag *t1, *t2;
+    t1 = m_FirstChild;
+    while (t1)
+    {
+        t2 = t1->GetNextSibling();
+        delete t1;
+        t1 = t2;
+    }
+}
+
 bool wxHtmlTag::HasParam(const wxString& par) const
 {
     return (m_ParamNames.Index(par, FALSE) != wxNOT_FOUND);
@@ -303,7 +379,9 @@ wxString wxHtmlTag::GetParam(const wxString& par, bool with_commas) const
         return m_ParamValues[index];
 }
 
-int wxHtmlTag::ScanParam(const wxString& par, wxChar *format, void *param) const
+int wxHtmlTag::ScanParam(const wxString& par,
+                         const wxChar *format,
+                         void *param) const
 {
     wxString parval = GetParam(par);
     return wxSscanf(parval, format, param);
@@ -312,7 +390,7 @@ int wxHtmlTag::ScanParam(const wxString& par, wxChar *format, void *param) const
 bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
 {
     wxString str = GetParam(par);
-    
+
     if (str.IsEmpty()) return FALSE;
     if (str.GetChar(0) == wxT('#'))
     {
@@ -347,8 +425,9 @@ bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
         HTML_COLOUR("teal",    0x00,0x80,0x80)
         HTML_COLOUR("aqua",    0x00,0xFF,0xFF)
         #undef HTML_COLOUR
-        return FALSE;
     }
+
+    return FALSE;
 }
 
 bool wxHtmlTag::GetParamAsInt(const wxString& par, int *clr) const
@@ -362,7 +441,7 @@ 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 compatiblity only,
     //     never used by wxHTML
     wxString s;
     size_t cnt = m_ParamNames.GetCount();
@@ -378,4 +457,41 @@ wxString wxHtmlTag::GetAllParams() const
     return s;
 }
 
+wxHtmlTag *wxHtmlTag::GetFirstSibling() const
+{
+    if (m_Parent)
+        return m_Parent->m_FirstChild;
+    else
+    {
+        wxHtmlTag *cur = (wxHtmlTag*)this;
+        while (cur->m_Prev)
+            cur = cur->m_Prev;
+        return cur;
+    }
+}
+
+wxHtmlTag *wxHtmlTag::GetLastSibling() const
+{
+    if (m_Parent)
+        return m_Parent->m_LastChild;
+    else
+    {
+        wxHtmlTag *cur = (wxHtmlTag*)this;
+        while (cur->m_Next)
+            cur = cur->m_Next;
+        return cur;
+    }
+}
+
+wxHtmlTag *wxHtmlTag::GetNextTag() const
+{
+    if (m_FirstChild) return m_FirstChild;
+    if (m_Next) return m_Next;
+    wxHtmlTag *cur = m_Parent;
+    if (!cur) return NULL;
+    while (cur->m_Parent && !cur->m_Next)
+        cur = cur->m_Parent;
+    return cur->m_Next;
+}
+
 #endif