src/html/m_pre.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/html/m_pre.cpp
   3 // Purpose:     wxHtml module for <PRE> ... </PRE> tag (code citation)
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1999 Vaclav Slavik
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #include "wx/wxprec.h"
  11
  12 #ifdef __BORLANDC__
  13     #pragma hdrstop
  14 #endif
  15
  16 #if wxUSE_HTML && wxUSE_STREAMS
  17
  18 #ifndef WX_PRECOMP
  19 #endif
  20
  21 #include "wx/html/forcelnk.h"
  22 #include "wx/html/m_templ.h"
  23
  24 #include "wx/html/htmlcell.h"
  25 #include "wx/tokenzr.h"
  26 #include "wx/encconv.h"
  27
  28 FORCE_LINK_ME(m_pre)
  29
  30 // replaces '\t', ' ' and '\n' with HTML markup:
  31 static wxString LINKAGEMODE HtmlizeLinebreaks(const wxString& str)
  32 {
  33     wxString out;
  34     out.reserve(str.length()); // we'll certainly need at least that
  35
  36     for ( wxString::const_iterator i = str.begin(); i != str.end(); ++i )
  37     {
  38         switch ( (*i).GetValue() )
  39         {
  40             case '<':
  41                 while ( i != str.end() && *i != '>')
  42                 {
  43                     out << *i++;
  44                 }
  45                 out << '>';
  46                 break;
  47             case '\n':
  48                 out << "<br>";
  49                 break;
  50             default:
  51                 out << *i;
  52                 break;
  53         }
  54     }
  55     return out;
  56 }
  57
  58
  59 //-----------------------------------------------------------------------------
  60 // The list handler:
  61 //-----------------------------------------------------------------------------
  62
  63
  64 TAG_HANDLER_BEGIN(PRE, "PRE")
  65     TAG_HANDLER_CONSTR(PRE) { }
  66
  67     TAG_HANDLER_PROC(tag)
  68     {
  69         wxHtmlContainerCell *c;
  70
  71         const int fixed = m_WParser->GetFontFixed();
  72         const int italic = m_WParser->GetFontItalic();
  73         const int underlined = m_WParser->GetFontUnderlined();
  74         const int bold = m_WParser->GetFontBold();
  75         const int fsize = m_WParser->GetFontSize();
  76         const wxHtmlWinParser::WhitespaceMode whitespace =
  77             m_WParser->GetWhitespaceMode();
  78
  79         c = m_WParser->GetContainer();
  80         m_WParser->SetWhitespaceMode(wxHtmlWinParser::Whitespace_Pre);
  81         m_WParser->SetFontUnderlined(false);
  82         m_WParser->SetFontBold(false);
  83         m_WParser->SetFontItalic(false);
  84         m_WParser->SetFontFixed(true);
  85         m_WParser->SetFontSize(3);
  86         c->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
  87
  88         m_WParser->CloseContainer();
  89         c = m_WParser->OpenContainer();
  90         c->SetWidthFloat(tag);
  91         c = m_WParser->OpenContainer();
  92         c->SetAlignHor(wxHTML_ALIGN_LEFT);
  93         c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
  94
  95         wxString srcMid = m_WParser->GetInnerSource(tag);
  96
  97         // setting Whitespace_Pre mode takes care of spaces and TABs, but
  98         // not linebreaks, so we have to translate them into <br> by
  99         // calling HtmlizeLinebreaks() here
 100         ParseInnerSource(HtmlizeLinebreaks(srcMid));
 101
 102         m_WParser->CloseContainer();
 103         m_WParser->CloseContainer();
 104         c = m_WParser->OpenContainer();
 105
 106         m_WParser->SetWhitespaceMode(whitespace);
 107         m_WParser->SetFontUnderlined(underlined);
 108         m_WParser->SetFontBold(bold);
 109         m_WParser->SetFontItalic(italic);
 110         m_WParser->SetFontFixed(fixed);
 111         m_WParser->SetFontSize(fsize);
 112         c->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 113
 114         return true;
 115     }
 116
 117 TAG_HANDLER_END(PRE)
 118
 119
 120
 121
 122
 123 TAGS_MODULE_BEGIN(Pre)
 124
 125     TAGS_MODULE_ADD(PRE)
 126
 127 TAGS_MODULE_END(Pre)
 128
 129 #endif