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d2bd18735e
* `[[nodiscard]]` and `[[maybe_unused]]` must come before `virtual` and `static` qualifiers * MSVC and Clang disagree on how `gsl::suppress` should look; fortunately, GSL provides a macro to paper over the difference * Clang throws "pessimizing move" warnings when you `std::move` a temporary, as it makes copy elision impossible * The fuzzing logic was using an unspecified template expansion `CFuzzLogic<>` before the type had been declared * LibraryResources was emitting most of the `.util` section with read-write permissions and some of it with read-only Refs #15952
98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT license.
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#include "precomp.h"
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#include "OutputCellView.hpp"
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// Routine Description:
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// - Constructs a read-only view of data formatted as a single output buffer cell
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// Arguments:
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// - view - String data for the text displayed on screen
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// - dbcsAttr - Describes column width information (double byte character data)
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// - textAttr - Describes color and formatting data
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// - behavior - Describes where to retrieve color/format data. From this view? From defaults? etc.
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OutputCellView::OutputCellView(const std::wstring_view view,
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const DbcsAttribute dbcsAttr,
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const TextAttribute textAttr,
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const TextAttributeBehavior behavior) noexcept :
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_view(view),
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_dbcsAttr(dbcsAttr),
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_textAttr(textAttr),
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_behavior(behavior)
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{
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}
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// Routine Description:
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// - Returns reference to view over text data
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// Return Value:
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// - Reference to UTF-16 character data
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// C26445 - suppressed to enable the `TextBufferTextIterator::operator->` method which needs a non-temporary memory location holding the wstring_view.
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// TODO: GH 2681 - remove this suppression by reconciling the probably bad design of the iterators that leads to this being required.
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GSL_SUPPRESS(26445)
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const std::wstring_view& OutputCellView::Chars() const noexcept
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{
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return _view;
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}
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// Routine Description:
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// - Reports how many columns we expect the Chars() text data to consume
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// Return Value:
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// - Count of column cells on the screen
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til::CoordType OutputCellView::Columns() const noexcept
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{
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return DbcsAttr() == DbcsAttribute::Leading ? 2 : 1;
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}
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// Routine Description:
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// - Retrieves character cell width data
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// Return Value:
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// - DbcsAttribute data
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DbcsAttribute OutputCellView::DbcsAttr() const noexcept
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{
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return _dbcsAttr;
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}
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// Routine Description:
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// - Retrieves text color/formatting information
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// Return Value:
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// - TextAttribute with encoded formatting data
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TextAttribute OutputCellView::TextAttr() const noexcept
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{
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return _textAttr;
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}
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// Routine Description:
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// - Retrieves behavior for inserting this cell into the buffer. See enum for details.
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// Return Value:
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// - TextAttributeBehavior enum value
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TextAttributeBehavior OutputCellView::TextAttrBehavior() const noexcept
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{
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return _behavior;
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}
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// Routine Description:
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// - Compares two views
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// Arguments:
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// - it - Other view to compare to this one
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// Return Value:
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// - True if all contents/references are equal. False otherwise.
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bool OutputCellView::operator==(const OutputCellView& it) const noexcept
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{
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return _view == it._view &&
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_dbcsAttr == it._dbcsAttr &&
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_textAttr == it._textAttr &&
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_behavior == it._behavior;
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}
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// Routine Description:
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// - Compares two views for inequality
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// Arguments:
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// - it - Other view to compare tot his one.
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// Return Value:
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// - True if any contents or references are inequal. False if they're all equal.
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bool OutputCellView::operator!=(const OutputCellView& it) const noexcept
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{
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return !(*this == it);
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}
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