/////////////////////////////////////////////////////////////////////////////
-// Name: m_pre.cpp
+// Name: src/html/m_pre.cpp
// Purpose: wxHtml module for <PRE> ... </PRE> tag (code citation)
// Author: Vaclav Slavik
-// RCS-ID: $Id$
// Copyright: (c) 1999 Vaclav Slavik
-// Licence: wxWindows Licence
+// 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
+#ifdef __BORLANDC__
+ #pragma hdrstop
#endif
-#ifndef WXPRECOMP
+#if wxUSE_HTML && wxUSE_STREAMS
+
+#ifndef WX_PRECOMP
#endif
#include "wx/html/forcelnk.h"
FORCE_LINK_ME(m_pre)
+// replaces '\t', ' ' and '\n' with HTML markup:
+static wxString LINKAGEMODE HtmlizeLinebreaks(const wxString& str)
+{
+ wxString out;
+ out.reserve(str.length()); // we'll certainly need at least that
+
+ const wxString::const_iterator end = str.end();
+ for ( wxString::const_iterator i = str.begin(); i != end; ++i )
+ {
+ switch ( (*i).GetValue() )
+ {
+ case '<':
+ while ( i != end && *i != '>' )
+ {
+ out << *i++;
+ }
+ out << '>';
+ if ( i == end )
+ return out;
+ break;
+
+ // We need to translate any line break into exactly one <br>.
+ // Quoting HTML spec: "A line break is defined to be a carriage
+ // return (
), a line feed (
), or a carriage
+ // return/line feed pair."
+ case '\r':
+ {
+ wxString::const_iterator j(i + 1);
+ if ( j != end && *j == '\n' )
+ i = j;
+ }
+ // fall through
+ case '\n':
+ out << "<br>";
+ break;
+
+ default:
+ out << *i;
+ break;
+ }
+ }
+
+ return out;
+}
+
+
//-----------------------------------------------------------------------------
// The list handler:
//-----------------------------------------------------------------------------
TAG_HANDLER_BEGIN(PRE, "PRE")
+ TAG_HANDLER_CONSTR(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();
+ const int fixed = m_WParser->GetFontFixed();
+ const int italic = m_WParser->GetFontItalic();
+ const int underlined = m_WParser->GetFontUnderlined();
+ const int bold = m_WParser->GetFontBold();
+ const int fsize = m_WParser->GetFontSize();
+ const wxHtmlWinParser::WhitespaceMode whitespace =
+ m_WParser->GetWhitespaceMode();
c = m_WParser->GetContainer();
- m_WParser->SetFontUnderlined(FALSE);
- m_WParser->SetFontBold(FALSE);
- m_WParser->SetFontItalic(FALSE);
- m_WParser->SetFontFixed(TRUE);
+ m_WParser->SetWhitespaceMode(wxHtmlWinParser::Whitespace_Pre);
+ 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->SetWidthFloat(tag);
+ c = m_WParser->OpenContainer();
c->SetAlignHor(wxHTML_ALIGN_LEFT);
+ c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
- wxString src, srcMid;
-
- src = *m_WParser->GetSource();
- srcMid = src.Mid(tag.GetBeginPos(),
- tag.GetEndPos1() - tag.GetBeginPos());
- srcMid.Replace(wxT("\t"), wxT(" "));
- srcMid.Replace(wxT(" "), wxT(" "));
- srcMid.Replace(wxT("\n"), wxT("<br>"));
+ wxString srcMid = m_WParser->GetInnerSource(tag);
- // It is safe to temporarily change the source being parsed,
- // provided we restore the state back after parsing
- m_Parser->SetSource(srcMid);
- m_Parser->DoParsing();
- m_Parser->SetSource(src);
+ // setting Whitespace_Pre mode takes care of spaces and TABs, but
+ // not linebreaks, so we have to translate them into <br> by
+ // calling HtmlizeLinebreaks() here
+ ParseInnerSource(HtmlizeLinebreaks(srcMid));
+ m_WParser->CloseContainer();
m_WParser->CloseContainer();
c = m_WParser->OpenContainer();
+ m_WParser->SetWhitespaceMode(whitespace);
m_WParser->SetFontUnderlined(underlined);
m_WParser->SetFontBold(bold);
m_WParser->SetFontItalic(italic);
m_WParser->SetFontSize(fsize);
c->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
- return TRUE;
+ return true;
}
TAG_HANDLER_END(PRE)