X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4f9297b0eead20a0bfee71df18e0d8f0cbc402fb..af237ae405f7598c7893d6f46caaf72e64ff8fcf:/src/html/m_pre.cpp diff --git a/src/html/m_pre.cpp b/src/html/m_pre.cpp index 2cf0d2142c..1a0ef36813 100644 --- a/src/html/m_pre.cpp +++ b/src/html/m_pre.cpp @@ -1,28 +1,22 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: m_pre.cpp +// Name: src/html/m_pre.cpp // Purpose: wxHtml module for
 ... 
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 -#include "wx/wx.h" -#endif +#if wxUSE_HTML && wxUSE_STREAMS +#ifndef WX_PRECOMP +#endif #include "wx/html/forcelnk.h" #include "wx/html/m_templ.h" @@ -33,124 +27,100 @@ FORCE_LINK_ME(m_pre) - -//----------------------------------------------------------------------------- -// wxHtmlCodeCell -//----------------------------------------------------------------------------- - -class wxHtmlPRECell : public wxHtmlCell +// replaces '\t', ' ' and '\n' with HTML markup: +static wxString LINKAGEMODE HtmlizeLinebreaks(const wxString& str) { - private: - wxString** m_Text; - // list of wxString objects. - int m_LinesCnt; - // number of lines - int m_LineHeight; - // height of single line of text - - public: - wxHtmlPRECell(const wxString& s, wxDC& dc); - ~wxHtmlPRECell(); - void Draw(wxDC& dc, int x, int y, int view_y1, int view_y2); -}; - - -wxHtmlPRECell::wxHtmlPRECell(const wxString& s, wxDC& dc) : wxHtmlCell() -{ - wxStringTokenizer tokenizer(s, "\n"); - wxString tmp; - long int x, z; - int i; - - m_LineHeight = dc.GetCharHeight(); - m_LinesCnt = 0; - m_Text = NULL; - m_Width = m_Height = 0; - - i = 0; - while (tokenizer.HasMoreTokens()) + 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 ) { - if (i % 10 == 0) m_Text = (wxString**) realloc(m_Text, sizeof(wxString*) * (i + 10)); - tmp = tokenizer.NextToken(); - tmp.Replace(wxT("©"), wxT("(c)"), TRUE); - tmp.Replace(wxT(" "), wxT(" "), TRUE); - tmp.Replace(wxT("""), wxT("\""), TRUE); - tmp.Replace(wxT("<"), wxT("<"), TRUE); - tmp.Replace(wxT(">"), wxT(">"), TRUE); - tmp.Replace(wxT("&"), wxT("&"), TRUE); - tmp.Replace(wxT("\t"), wxT(" "), TRUE); - tmp.Replace(wxT("\r"), wxT(""), TRUE); - m_Text[i++] = new wxString(tmp); - - dc.GetTextExtent(tmp, &x, &z, &z); - if (x > m_Width) m_Width = x; - m_Height += m_LineHeight; - m_LinesCnt++; + 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
. + // 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 << "
"; + break; + + default: + out << *i; + break; + } } -} - - -wxHtmlPRECell::~wxHtmlPRECell() -{ - for (int i = 0; i < m_LinesCnt; i++) delete m_Text[i]; - free(m_Text); + return out; } -void wxHtmlPRECell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2) -{ - for (int i = 0; i < m_LinesCnt; i++) - dc.DrawText(*(m_Text[i]), x + m_PosX, y + m_PosY + m_LineHeight * i); - - wxHtmlCell::Draw(dc, x, y, view_y1, view_y2); -} - - - - //----------------------------------------------------------------------------- // 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->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_VERTICAL); + c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP); - 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())); + wxString srcMid = m_WParser->GetInnerSource(tag); - { - wxString cit; - wxEncodingConverter *encconv = m_WParser->GetEncodingConverter(); - cit = m_WParser->GetSource()->Mid(tag.GetBeginPos(), - tag.GetEndPos1() - tag.GetBeginPos()); - if (encconv) - c->InsertCell(new wxHtmlPRECell(encconv->Convert(cit), - *(m_WParser->GetDC()))); - else - c->InsertCell(new wxHtmlPRECell(cit, - *(m_WParser->GetDC()))); - } + // setting Whitespace_Pre mode takes care of spaces and TABs, but + // not linebreaks, so we have to translate them into
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); @@ -158,9 +128,7 @@ TAG_HANDLER_BEGIN(PRE, "PRE") m_WParser->SetFontSize(fsize); c->InsertCell(new wxHtmlFontCell(m_WParser->CreateCurrentFont())); - m_WParser->CloseContainer(); - m_WParser->OpenContainer(); - return TRUE; + return true; } TAG_HANDLER_END(PRE)