150 lines
5.0 KiB
C++
150 lines
5.0 KiB
C++
/***********************************************************************
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* ftermbuffer.cpp - Buffer for virtual terminal strings *
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2017-2020 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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* as published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* The Final Cut is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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#include <algorithm>
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#include <string>
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#include <vector>
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#include "final/fc.h"
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#include "final/fcolorpair.h"
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#include "final/fstring.h"
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#include "final/fstyle.h"
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#include "final/ftermbuffer.h"
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#include "final/fvterm.h"
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#include "final/ftypes.h"
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namespace finalcut
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{
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//----------------------------------------------------------------------
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// class FTermBuffer
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//----------------------------------------------------------------------
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FTermBuffer::~FTermBuffer() // destructor
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{ }
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// public methods of FTermBuffer
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//----------------------------------------------------------------------
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const FString FTermBuffer::toString() const
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{
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std::wstring wide_string{};
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wide_string.reserve(data.size());
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std::transform ( data.begin()
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, data.end()
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, std::back_inserter(wide_string)
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, [] (const FChar& fchar)
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{
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return fchar.ch;
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}
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);
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return FString(wide_string);
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}
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//----------------------------------------------------------------------
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int FTermBuffer::write (const FString& string)
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{
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assert ( ! string.isNull() );
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const int len = int(string.getLength());
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for (auto&& c : string)
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{
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FChar nc; // next character
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nc = FVTerm::getAttribute();
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nc.ch = c;
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getColumnWidth(nc); // add column width
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nc.attr.bit.no_changes = false;
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nc.attr.bit.printed = false;
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data.push_back(nc);
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}
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return len;
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}
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//----------------------------------------------------------------------
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int FTermBuffer::write (wchar_t ch)
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{
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FChar nc = FVTerm::getAttribute(); // next character
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nc.ch = ch;
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getColumnWidth(nc); // add column width
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nc.attr.bit.no_changes = false;
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nc.attr.bit.printed = false;
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data.push_back(nc);
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return 1;
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}
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//----------------------------------------------------------------------
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void FTermBuffer::write (const FStyle& style)
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{
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FAttribute attr = style.getStyle();
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if ( attr == 0 )
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FVTerm::setNormal();
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else if ( (attr & fc::Bold) != 0 )
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FVTerm::setBold();
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else if ( (attr & fc::Dim) != 0 )
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FVTerm::setDim();
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else if ( (attr & fc::Italic) != 0 )
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FVTerm::setItalic();
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else if ( (attr & fc::Underline) != 0 )
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FVTerm::setUnderline();
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else if ( (attr & fc::Blink) != 0 )
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FVTerm::setBlink();
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else if ( (attr & fc::Reverse) != 0 )
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FVTerm::setReverse();
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else if ( (attr & fc::Standout) != 0 )
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FVTerm::setStandout();
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else if ( (attr & fc::Invisible) != 0 )
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FVTerm::setInvisible();
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else if ( (attr & fc::Protected) != 0 )
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FVTerm::setProtected();
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else if ( (attr & fc::CrossedOut) != 0 )
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FVTerm::setCrossedOut();
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else if ( (attr & fc::DoubleUnderline) != 0 )
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FVTerm::setDoubleUnderline();
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else if ( (attr & fc::Transparent) != 0 )
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FVTerm::setTransparent();
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else if ( (attr & fc::ColorOverlay) != 0 )
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FVTerm::setColorOverlay();
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else if ( (attr & fc::InheritBackground) != 0 )
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FVTerm::setInheritBackground();
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}
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//----------------------------------------------------------------------
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void FTermBuffer::write (const FColorPair& pair)
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{
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FVTerm::setColor(pair.getForegroundColor(), pair.getBackgroundColor());
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}
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// FTermBuffer non-member operators
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//----------------------------------------------------------------------
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FTermBuffer::FCharVector& operator << ( FTermBuffer::FCharVector& termString
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, const FTermBuffer& buf )
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{
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if ( ! buf.data.empty() )
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termString.assign(buf.data.begin(), buf.data.end());
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return termString;
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}
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} // namespace finalcut
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