]> git.saurik.com Git - wxWidgets.git/blobdiff - src/html/htmltag.cpp
FreeBSD compilation fix
[wxWidgets.git] / src / html / htmltag.cpp
index 1cfeb5a5b663259e13194fd2ccd281dc7bb57679..05cdc2aba53c108ac87e3e898b17123ea2fea8aa 100644 (file)
 #endif
 
 #ifndef WXPRECOMP
-#include "wx/wx.h"
 #endif
 
 #include "wx/html/htmltag.h"
+#include "wx/html/htmlpars.h"
 #include <stdio.h> // for vsscanf
 #include <stdarg.h>
 
@@ -71,7 +71,7 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
     while (pos < lng) 
     {
         if (src[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++;
@@ -81,7 +81,7 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
                    src[pos] != wxT('>') &&
                    src[pos] != wxT(' ') && src[pos] != wxT('\r') && 
                    src[pos] != wxT('\n') && src[pos] != wxT('\t')) 
-                   {
+            {
                 dummy[i] = src[pos++];
                 if ((dummy[i] >= wxT('a')) && (dummy[i] <= wxT('z'))) dummy[i] -= (wxT('a') - wxT('A'));
                 i++;
@@ -93,19 +93,19 @@ wxHtmlTagsCache::wxHtmlTagsCache(const wxString& source)
             while (pos < lng && src[pos] != wxT('>')) pos++;
 
             if (src[stpos+1] == wxT('/')) // ending tag:
-           {
+            {
                 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)) 
-                           {
+                    {
                         m_Cache[i].End1 = stpos;
                         m_Cache[i].End2 = pos + 1;
                         break;
                     }
             }
             else 
-               {
+            {
                 m_Cache[tg].End1 = m_Cache[tg].End2 = -1;
             }
         }
@@ -121,15 +121,17 @@ 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) 
     {
         int delta = (at < m_Cache[m_CachePos].Key) ? -1 : 1;
-        do {m_CachePos += delta;} while (m_Cache[m_CachePos].Key != at);
+        do 
+        { 
+            m_CachePos += delta; 
+        }
+        while (m_Cache[m_CachePos].Key != at);
     }
     *end1 = m_Cache[m_CachePos].End1;
     *end2 = m_Cache[m_CachePos].End2;
@@ -144,59 +146,135 @@ void wxHtmlTagsCache::QueryTag(int at, int* end1, int* end2)
 
 IMPLEMENT_CLASS(wxHtmlTag,wxObject)
 
-wxHtmlTag::wxHtmlTag(const wxString& source, int pos, int end_pos, wxHtmlTagsCache* cache) : wxObject()
+wxHtmlTag::wxHtmlTag(const wxString& source, int pos, int end_pos, 
+                     wxHtmlTagsCache *cache,
+                     wxHtmlEntitiesParser *entParser) : wxObject()
 {
     int i;
-    char c;
+    wxChar c;
 
     // fill-in name, params and begin pos:
-    m_Name = m_Params = wxEmptyString;
     i = pos+1;
-    if (source[i] == '/') { m_Ending = TRUE; i++; }
-    else m_Ending = FALSE;
+    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++]) != ' ' && c != '\r' && c != '\n' && c != '\t' &&
-                c != '>')) 
-       {
-        if ((c >= 'a') && (c <= 'z')) c -= ('a' - 'A');
-        m_Name += c;
+           ((c = source[i++]) != wxT(' ') && c != wxT('\r') && 
+             c != wxT('\n') && c != wxT('\t') &&
+             c != wxT('>'))) 
+    {
+        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 
     // remove whitespaces around '=':
-    if (source[i-1] != '>')
-        while ((i < end_pos) && ((c = source[i++]) != '>')) 
-           {
-            if ((c >= 'a') && (c <= 'z')) c -= ('a' - 'A');
-            if (c == '\r' || c == '\n' || c == '\t') c = ' '; // make future parsing a bit simpler
-            m_Params += c;
-            if (c == '"') 
-               {
-                // remove spaces around the '=' character:
-                if (m_Params.Length() > 1 && 
-                    m_Params[m_Params.Length()-2] == ' ')
+    if (source[i-1] != wxT('>'))
+    {
+        #define IS_WHITE(c) (c == wxT(' ') || c == wxT('\r') || \
+                             c == wxT('\n') || c == wxT('\t'))
+        wxString pname, pvalue;
+        wxChar quote;
+        enum 
+        {
+            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 (state == ST_BEFORE_EQ || state == ST_NAME)
                 {
-                    m_Params.RemoveLast();
-                    while (m_Params.Length() > 0 && m_Params.Last() == ' ') 
-                        m_Params.RemoveLast();
-                    m_Params += '"';
+                    m_ParamNames.Add(pname);
+                    m_ParamValues.Add(wxEmptyString);
                 }
-                while ((i < end_pos) && (source[i++] == ' ')) {}
-                if (i < end_pos) i--;
-            
-                // ...and copy the value to m_Params:
-                while ((i < end_pos) && ((c = source[i++]) != '"')) m_Params += c;
-                m_Params += c;
+                else if (state == ST_VALUE && quote == 0)
+                {
+                    m_ParamNames.Add(pname);
+                    if (entParser)
+                        m_ParamValues.Add(entParser->Parse(pvalue));
+                    else
+                        m_ParamValues.Add(pvalue);
+                }
+                break;
             }
-            else if (c == '\'') 
-               {
-                while ((i < end_pos) && ((c = source[i++]) != '\'')) m_Params += c;
-                m_Params += c;
+            switch (state)
+            {
+                case ST_BEFORE_NAME:
+                    if (!IS_WHITE(c))
+                    {
+                        pname = c;
+                        state = ST_NAME;
+                    }
+                    break;
+                case ST_NAME:
+                    if (IS_WHITE(c))
+                        state = ST_BEFORE_EQ;
+                    else if (c == wxT('='))
+                        state = ST_BEFORE_VALUE;
+                    else
+                        pname << c;
+                    break;
+                case ST_BEFORE_EQ:
+                    if (c == wxT('='))
+                        state = ST_BEFORE_VALUE;
+                    else if (!IS_WHITE(c))
+                    {
+                        m_ParamNames.Add(pname);
+                        m_ParamValues.Add(wxEmptyString);
+                        pname = c;
+                        state = ST_NAME;
+                    }
+                    break;
+                case ST_BEFORE_VALUE:
+                    if (!IS_WHITE(c))
+                    {
+                        if (c == wxT('"') || c == wxT('\''))
+                            quote = c, pvalue = wxEmptyString;
+                        else
+                            quote = 0, pvalue = c;
+                        state = ST_VALUE;
+                    }
+                    break;
+                case ST_VALUE:
+                    if ((quote != 0 && c == quote) ||
+                        (quote == 0 && IS_WHITE(c)))
+                    {
+                        m_ParamNames.Add(pname);
+                        if (quote == 0)
+                        {
+                            // VS: backward compatibility, no real reason,
+                            //     but wxHTML code relies on this... :(
+                            pvalue.MakeUpper();
+                        }
+                        if (entParser)
+                            m_ParamValues.Add(entParser->Parse(pvalue));
+                        else
+                            m_ParamValues.Add(pvalue);
+                        state = ST_BEFORE_NAME;
+                    }
+                    else
+                        pvalue << c;
+                    break;
             }
         }
+        
+        #undef IS_WHITE
+   }
    m_Begin = i;
 
    cache->QueryTag(pos, &m_End1, &m_End2);
@@ -204,111 +282,100 @@ wxHtmlTag::wxHtmlTag(const wxString& source, int pos, int end_pos, wxHtmlTagsCac
    if (m_End2 > end_pos) m_End2 = end_pos;
 }
 
-    
-
 bool wxHtmlTag::HasParam(const wxString& par) const
 {
-    const wxChar *st = m_Params, *p = par;
-    const wxChar *st2, *p2;
+    return (m_ParamNames.Index(par, FALSE) != wxNOT_FOUND);
+}
 
-    if (*st == 0) return FALSE;
-    if (*p == 0) return FALSE;
-    for (st2 = st, p2 = p; ; st2++) 
+wxString wxHtmlTag::GetParam(const wxString& par, bool with_commas) const
+{
+    int index = m_ParamNames.Index(par, FALSE);
+    if (index == wxNOT_FOUND)
+        return wxEmptyString;
+    if (with_commas)
     {
-        if (*p2 == 0) return TRUE;
-        if (*st2 == 0) return FALSE;
-        if (*p2 != *st2) p2 = p;
-        if (*p2 == *st2) p2++;
-        if (*st2 == ' ') p2 = p;
-        else if (*st2 == '=') 
-           {
-            p2 = p;
-            while (*st2 != ' ') 
-               {
-                if (*st2 == '"') 
-                       {
-                    st2++;
-                    while (*st2 != '"') st2++;
-                }
-                st2++;
-                if (*st2 == 0) return FALSE;
-            }
-        }
+        // VS: backward compatibility, seems to be never used by wxHTML...
+        wxString s;
+        s << wxT('"') << m_ParamValues[index] << wxT('"');
+        return s;
     }
+    else
+        return m_ParamValues[index];
 }
 
+int wxHtmlTag::ScanParam(const wxString& par, wxChar *format, void *param) const
+{
+    wxString parval = GetParam(par);
+    return wxSscanf(parval, format, param);
+}
 
-
-wxString wxHtmlTag::GetParam(const wxString& par, bool with_commas) const
+bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
 {
-    const wxChar *st = m_Params, *p = par;
-    const wxChar *st2, *p2;
-    bool comma;
-    char comma_char;
-
-    if (*st == 0) return "";
-    if (*p == 0) return "";
-    for (st2 = st, p2 = p; ; st2++) 
+    wxString str = GetParam(par);
+    
+    if (str.IsEmpty()) return FALSE;
+    if (str.GetChar(0) == wxT('#'))
     {
-        if (*p2 == 0)  // found
-           {
-            wxString fnd = "";
-            st2++; // '=' character
-            comma = FALSE;
-           comma_char = '\0';
-            if (!with_commas && (*(st2) == '"')) 
-               {
-               st2++;
-                       comma = TRUE; 
-                       comma_char = '"';
-               }
-           else if (!with_commas && (*(st2) == '\'')) 
-               {
-               st2++; 
-               comma = TRUE;
-                       comma_char = '\'';
-           }
-           
-            while (*st2 != 0) 
-               {
-                if (comma && *st2 == comma_char) comma = FALSE;
-                else if ((*st2 == ' ') && (!comma)) break;
-                fnd += (*(st2++));
-            }
-            if (!with_commas && (*(st2-1) == comma_char)) fnd.RemoveLast();
-            return fnd;
-        }
-        if (*st2 == 0) return "";
-        if (*p2 != *st2) p2 = p;
-        if (*p2 == *st2) p2++;
-        if (*st2 == ' ') p2 = p;
-        else if (*st2 == '=') 
-           {
-            p2 = p;
-            while (*st2 != ' ') 
-               {
-                if (*st2 == '"') 
-                       {
-                    st2++;
-                    while (*st2 != '"') st2++;
-                }
-                else if (*st2 == '\'') 
-                       {
-                    st2++;
-                    while (*st2 != '\'') st2++;
-                }
-                st2++;
-            }
-        }
+        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:
+        #define HTML_COLOUR(name,r,g,b)                 \
+            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)
+        HTML_COLOUR("white",   0xFF,0xFF,0xFF)
+        HTML_COLOUR("maroon",  0x80,0x00,0x00)
+        HTML_COLOUR("red",     0xFF,0x00,0x00)
+        HTML_COLOUR("purple",  0x80,0x00,0x80)
+        HTML_COLOUR("fuchsia", 0xFF,0x00,0xFF)
+        HTML_COLOUR("green",   0x00,0x80,0x00)
+        HTML_COLOUR("lime",    0x00,0xFF,0x00)
+        HTML_COLOUR("olive",   0x80,0x80,0x00)
+        HTML_COLOUR("yellow",  0xFF,0xFF,0x00)
+        HTML_COLOUR("navy",    0x00,0x00,0x80)
+        HTML_COLOUR("blue",    0x00,0x00,0xFF)
+        HTML_COLOUR("teal",    0x00,0x80,0x80)
+        HTML_COLOUR("aqua",    0x00,0xFF,0xFF)
+        #undef HTML_COLOUR
+        return FALSE;
     }
 }
 
+bool wxHtmlTag::GetParamAsInt(const wxString& par, int *clr) const
+{
+    if (!HasParam(par)) return FALSE;
+    long i;
+    bool succ = GetParam(par).ToLong(&i);
+    *clr = (int)i;
+    return succ;
+}
 
-
-int wxHtmlTag::ScanParam(const wxString& par, wxChar *format, void *param) const
+wxString wxHtmlTag::GetAllParams() const
 {
-    wxString parval = GetParam(par);
-    return wxSscanf((const wxChar*)parval, format, param);
+    // VS: this function is for backward compatiblity only, 
+    //     never used by wxHTML
+    wxString s;
+    size_t cnt = m_ParamNames.GetCount();
+    for (size_t i = 0; i < cnt; i++)
+    {
+        s << m_ParamNames[i];
+        s << wxT('=');
+        if (m_ParamValues[i].Find(wxT('"')) != wxNOT_FOUND)
+            s << wxT('\'') << m_ParamValues[i] << wxT('\'');
+        else
+            s << wxT('"') << m_ParamValues[i] << wxT('"');
+    }
+    return s;
 }
 
 #endif