Add <span> tag and limited support for CSS styles to wxHTML.

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

diff --git a/src/html/htmltag.cpp b/src/html/htmltag.cpp
index 4cd0412e95a3f5d47ff3723c0dd9e37aea669582..3f88bf3edcac34652354392019678d47634558de 100644 (file)
--- a/src/html/htmltag.cpp
+++ b/src/html/htmltag.cpp
@@ -23,6 +23,8 @@
 #endif
 
 #include "wx/html/htmlpars.h"
+#include "wx/html/styleparams.h"
+
 #include "wx/vector.h"
 
 #include <stdio.h> // for vsscanf
@@ -430,6 +432,32 @@ wxHtmlTag::wxHtmlTag(wxHtmlTag *parent,
 #if WXWIN_COMPATIBILITY_2_8
     m_sourceStart = source->begin();
 #endif
+
+    // Try to parse any style parameters that can be handled simply by
+    // converting them to the equivalent HTML 3 attributes: this is a far cry
+    // from perfect but better than nothing.
+    static const struct EquivAttr
+    {
+        const char *style;
+        const char *attr;
+    } equivAttrs[] =
+    {
+        { "text-align",         "ALIGN"         },
+        { "width",              "WIDTH"         },
+        { "vertical-align",     "VALIGN"        },
+        { "background",         "BGCOLOR"       },
+    };
+
+    wxHtmlStyleParams styleParams(*this);
+    for ( unsigned n = 0; n < WXSIZEOF(equivAttrs); n++ )
+    {
+        const EquivAttr& ea = equivAttrs[n];
+        if ( styleParams.HasParam(ea.style) && !HasParam(ea.attr) )
+        {
+            m_ParamNames.Add(ea.attr);
+            m_ParamValues.Add(styleParams.GetParam(ea.style));
+        }
+    }
 }
 
 wxHtmlTag::~wxHtmlTag()
@@ -481,12 +509,11 @@ int wxHtmlTag::ScanParam(const wxString& par,
     return wxSscanf(parval, format, param);
 }
 
-bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
+/* static */
+bool wxHtmlTag::ParseAsColour(const wxString& str, wxColour *clr)
 {
     wxCHECK_MSG( clr, false, wxT("invalid colour argument") );
 
-    wxString str = GetParam(par);
-
     // handle colours defined in HTML 4.0 first:
     if (str.length() > 1 && str[0] != wxT('#'))
     {
@@ -522,6 +549,12 @@ bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
     return false;
 }
 
+bool wxHtmlTag::GetParamAsColour(const wxString& par, wxColour *clr) const
+{
+    const wxString str = GetParam(par);
+    return !str.empty() && ParseAsColour(str, clr);
+}
+
 bool wxHtmlTag::GetParamAsInt(const wxString& par, int *clr) const
 {
     if ( !HasParam(par) )