src/html/styleparams.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/html/styleparams.cpp
   3 // Purpose:     wxHtml helper code for extracting style parameters
   4 // Author:      Nigel Paton
   5 // Copyright:   wxWidgets team
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 #include "wx/wxprec.h"
  10 #include "wx/tokenzr.h"
  11 #include "wx/html/htmltag.h"
  12 #include "wx/html/styleparams.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_HTML
  19
  20 wxHtmlStyleParams::wxHtmlStyleParams(const wxHtmlTag& tag)
  21 {
  22     wxString wd = tag.GetParam(wxT("STYLE"));
  23
  24     // Make sure no whitespace
  25     wd.Trim(true).Trim(false);
  26     if ( wd.empty() )
  27         return;
  28
  29     // Check for bracketed entries
  30     // Only support element properties and not pseudo-element or pseudo-classes
  31     if (wd.Find('{') == 0)
  32     {
  33         // Extract string up to end bracket
  34         int endBracket = wd.Find('}');
  35         if (endBracket != wxNOT_FOUND)
  36         {
  37             // Replace original string with bracketed options
  38             wd = wd.SubString(1, endBracket - 1);
  39             // Make sure no whitespace
  40             wd.Trim(true).Trim(false);
  41         }
  42         else
  43         {
  44             // Syntax problem change to blank string
  45             wd = "";
  46         }
  47     }
  48
  49     // Should now have a semi-colon delimited list of options
  50     // Each option is a name and a value separated by a colon
  51     // Split the list into names and values
  52     wxStringTokenizer tkz(wd, wxT(";"), wxTOKEN_STRTOK);
  53     while ( tkz.HasMoreTokens() )
  54     {
  55         wxString token = tkz.GetNextToken();
  56         // Split into name and value
  57         int colonIndex = token.Find(':');
  58         if ((colonIndex != wxNOT_FOUND) && // Not a name value pair
  59             (colonIndex != 0))             // No name
  60         {
  61             wxString tempString;
  62             // Extract and trim name
  63             tempString = token.SubString(0, colonIndex - 1);
  64             tempString.Trim(true).Trim(false);
  65             // Add to name list
  66             m_names.Add(tempString);
  67
  68             // Extract and trim values
  69             tempString = token.SubString(colonIndex + 1, token.Length() - 1);
  70             tempString.Trim(true).Trim(false);
  71             // Add to values list
  72             m_values.Add(tempString);
  73         }
  74     }
  75 }
  76
  77 #endif // wxUSE_HTML