92 lines
3 KiB
C++
92 lines
3 KiB
C++
/*++
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Copyright (c) Microsoft Corporation
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Licensed under the MIT license.
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Module Name:
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- Row.hpp
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Abstract:
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- data structure for information associated with one row of screen buffer
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Author(s):
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- Michael Niksa (miniksa) 10-Apr-2014
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- Paul Campbell (paulcam) 10-Apr-2014
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Revision History:
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- From components of output.h/.c
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by Therese Stowell (ThereseS) 1990-1991
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- Pulled into its own file from textBuffer.hpp/cpp (AustDi, 2017)
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--*/
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#pragma once
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#include "AttrRow.hpp"
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#include "LineRendition.hpp"
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#include "OutputCell.hpp"
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#include "OutputCellIterator.hpp"
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#include "CharRow.hpp"
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#include "UnicodeStorage.hpp"
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class TextBuffer;
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class ROW final
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{
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public:
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ROW(const SHORT rowId, CharRowCell* buffer, const unsigned short rowWidth, const TextAttribute& fillAttribute, TextBuffer* const pParent);
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size_t size() const noexcept { return _charRow.size(); }
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void SetWrapForced(const bool wrap) noexcept { _wrapForced = wrap; }
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bool WasWrapForced() const noexcept { return _wrapForced; }
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void SetDoubleBytePadded(const bool doubleBytePadded) noexcept { _doubleBytePadded = doubleBytePadded; }
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bool WasDoubleBytePadded() const noexcept { return _doubleBytePadded; }
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const CharRow& GetCharRow() const noexcept { return _charRow; }
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CharRow& GetCharRow() noexcept { return _charRow; }
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const ATTR_ROW& GetAttrRow() const noexcept { return _attrRow; }
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ATTR_ROW& GetAttrRow() noexcept { return _attrRow; }
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LineRendition GetLineRendition() const noexcept { return _lineRendition; }
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void SetLineRendition(const LineRendition lineRendition) noexcept { _lineRendition = lineRendition; }
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SHORT GetId() const noexcept { return _id; }
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void SetId(const SHORT id) noexcept { _id = id; }
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bool Reset(const TextAttribute& Attr);
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void ClearColumn(const size_t column);
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std::wstring GetText() const { return _charRow.GetText(); }
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UnicodeStorage& GetUnicodeStorage() noexcept;
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const UnicodeStorage& GetUnicodeStorage() const noexcept;
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OutputCellIterator WriteCells(OutputCellIterator it, const size_t index, const std::optional<bool> wrap = std::nullopt, std::optional<size_t> limitRight = std::nullopt);
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#ifdef UNIT_TESTING
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friend constexpr bool operator==(const ROW& a, const ROW& b) noexcept;
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friend class RowTests;
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#endif
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private:
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CharRow _charRow;
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ATTR_ROW _attrRow;
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LineRendition _lineRendition;
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TextBuffer* _pParent; // non ownership pointer
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SHORT _id;
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// Occurs when the user runs out of text in a given row and we're forced to wrap the cursor to the next line
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bool _wrapForced;
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// Occurs when the user runs out of text to support a double byte character and we're forced to the next line
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bool _doubleBytePadded;
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};
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#ifdef UNIT_TESTING
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constexpr bool operator==(const ROW& a, const ROW& b) noexcept
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{
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// comparison is only used in the tests; this should suffice.
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return (a._pParent == b._pParent &&
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a._id == b._id);
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}
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#endif
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