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m_pre.cpp
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2002-01-18
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/////////////////////////////////////////////////////////////////////////////
// Name: m_pre.cpp
// Purpose: wxHtml module for <PRE> ... </PRE> tag (code citation)
// Author: Vaclav Slavik
// RCS-ID: $Id: m_pre.cpp,v 1.21 2002/01/17 23:42:01 VS Exp $
// Copyright: (c) 1999 Vaclav Slavik
// Licence: wxWindows Licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation
#endif
#include "wx/wxprec.h"
#include "wx/defs.h"
#if wxUSE_HTML && wxUSE_STREAMS
#ifdef __BORDLANDC__
#pragma hdrstop
#endif
#ifndef WXPRECOMP
#endif
#include "wx/html/forcelnk.h"
#include "wx/html/m_templ.h"
#include "wx/html/htmlcell.h"
#include "wx/tokenzr.h"
#include "wx/encconv.h"
FORCE_LINK_ME(m_pre)
// replaces '\t', ' ' and '\n' with HTML markup:
static wxString LINKAGEMODE HtmlizeWhitespaces(const wxString& str)
{
wxString out;
size_t i = 0, j = 0, len = str.Len();
for (i = 0; i < len; i++)
{
switch (str[i])
{
case wxT('<'):
while (i < len && str[i] != wxT('>'))
out << str[i++];
out << wxT('>');
break;
case wxT(' '):
out << wxT(" ");
break;
case wxT('\n'):
out << wxT("<br>");
break;
case wxT('\t'):
for (j = 8 - i%8; j > 0; j--) out << wxT(" ");
break;
default:
out << str[i];
break;
}
}
return out;
}
//-----------------------------------------------------------------------------
// The list handler:
//-----------------------------------------------------------------------------
TAG_HANDLER_BEGIN(PRE, "PRE")
TAG_HANDLER_PROC(tag)
{
wxHtmlContainerCell *c;
int fixed = m_WParser->GetFontFixed(),
italic = m_WParser->GetFontItalic(),
underlined = m_WParser->GetFontUnderlined(),
bold = m_WParser->GetFontBold(),
fsize = m_WParser->GetFontSize();
c = m_WParser->GetContainer();
m_WParser->SetFontUnderlined(FALSE);
m_WParser->SetFontBold(FALSE);
m_WParser->SetFontItalic(FALSE);
m_WParser->SetFontFixed(TRUE);
m_WParser->SetFontSize(3);
c->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
m_WParser->CloseContainer();
c = m_WParser->OpenContainer();
c->SetAlignHor(wxHTML_ALIGN_LEFT);
c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
wxString srcMid =
m_WParser->GetSource()->Mid(tag.GetBeginPos(),
tag.GetEndPos1() - tag.GetBeginPos());
// It is safe to temporarily change the source being parsed,
// provided we restore the state back after parsing
m_Parser->SetSourceAndSaveState(HtmlizeWhitespaces(srcMid));
m_Parser->DoParsing();
m_Parser->RestoreState();
m_WParser->CloseContainer();
c = m_WParser->OpenContainer();
m_WParser->SetFontUnderlined(underlined);
m_WParser->SetFontBold(bold);
m_WParser->SetFontItalic(italic);
m_WParser->SetFontFixed(fixed);
m_WParser->SetFontSize(fsize);
c->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
return TRUE;
}
TAG_HANDLER_END(PRE)
TAGS_MODULE_BEGIN(Pre)
TAGS_MODULE_ADD(PRE)
TAGS_MODULE_END(Pre)
#endif