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     size_t len = str.Len();
  37     for (size_t i = 0; i < len; i++)
  38     {
  39         switch ( str[i].GetValue() )
  40         {
  41             case '<':
  42                 while (i < len && str[i] != '>')
  43                 {
  44                     out << str[i++];
  45                 }
  46                 out << '>';
  47                 break;
  48             case '\n':
  49                 out << "<br>";
  50                 break;
  51             default:
  52                 out << str[i];
  53                 break;
  54         }
  55     }
  56     return out;
  57 }
  58
  59
  60 //-----------------------------------------------------------------------------
  61 // The list handler:
  62 //-----------------------------------------------------------------------------
  63
  64
  65 TAG_HANDLER_BEGIN(PRE, "PRE")
  66     TAG_HANDLER_CONSTR(PRE) { }
  67
  68     TAG_HANDLER_PROC(tag)
  69     {
  70         wxHtmlContainerCell *c;
  71
  72         const int fixed = m_WParser->GetFontFixed();
  73         const int italic = m_WParser->GetFontItalic();
  74         const int underlined = m_WParser->GetFontUnderlined();
  75         const int bold = m_WParser->GetFontBold();
  76         const int fsize = m_WParser->GetFontSize();
  77         const wxHtmlWinParser::WhitespaceMode whitespace =
  78             m_WParser->GetWhitespaceMode();
  79
  80         c = m_WParser->GetContainer();
  81         m_WParser->SetWhitespaceMode(wxHtmlWinParser::Whitespace_Pre);
  82         m_WParser->SetFontUnderlined(false);
  83         m_WParser->SetFontBold(false);
  84         m_WParser->SetFontItalic(false);
  85         m_WParser->SetFontFixed(true);
  86         m_WParser->SetFontSize(3);
  87         c->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
  88
  89         m_WParser->CloseContainer();
  90         c = m_WParser->OpenContainer();
  91         c->SetWidthFloat(tag);
  92         c = m_WParser->OpenContainer();
  93         c->SetAlignHor(wxHTML_ALIGN_LEFT);
  94         c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
  95
  96         wxString srcMid = m_WParser->GetInnerSource(tag);
  97
  98         // setting Whitespace_Pre mode takes care of spaces and TABs, but
  99         // not linebreaks, so we have to translate them into <br> by
 100         // calling HtmlizeLinebreaks() here
 101         ParseInnerSource(HtmlizeLinebreaks(srcMid));
 102
 103         m_WParser->CloseContainer();
 104         m_WParser->CloseContainer();
 105         c = m_WParser->OpenContainer();
 106
 107         m_WParser->SetWhitespaceMode(whitespace);
 108         m_WParser->SetFontUnderlined(underlined);
 109         m_WParser->SetFontBold(bold);
 110         m_WParser->SetFontItalic(italic);
 111         m_WParser->SetFontFixed(fixed);
 112         m_WParser->SetFontSize(fsize);
 113         c->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
 114
 115         return true;
 116     }
 117
 118 TAG_HANDLER_END(PRE)
 119
 120
 121
 122
 123
 124 TAGS_MODULE_BEGIN(Pre)
 125
 126     TAGS_MODULE_ADD(PRE)
 127
 128 TAGS_MODULE_END(Pre)
 129
 130 #endif