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