80da24ecf8
We were using std::basic_string_view as a stand-in for std::span so that
we could change over all at once when C++20 dropped with full span
support. That day's not here yet, but as of 54a7fce3e we're using GSL 3,
whose span is C++20-compliant.
This commit replaces every instance of basic_string_view that was not
referring to an actual string with a span of the appropriate type.
I moved the `const` qualifier into span's `T` because while
`basic_string_view.at()` returns `const T&`, `span.at()` returns `T&`
(without the const). I wanted to maintain the invariant that members of
the span were immutable.
* Mechanical Changes
* `sv.at(x)` -> `gsl::at(sp, x)`
* `sv.c{begin,end}` -> `sp.{begin,end}` (span's iterators are const)
I had to replace a `std::basic_string<>` with a `std::vector<>` in
ConImeInfo, and I chose to replace a manual array walk in
ScreenInfoUiaProviderBase with a ranged-for. Please review those
specifically.
This will almost certainly cause a code size regression in Windows
because I'm blowing out all the PGO counts. Whoops.
Related: #3956, #975.
73 lines
2.1 KiB
C++
73 lines
2.1 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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- AttrRow.hpp
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Abstract:
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- contains data structure for the attributes of 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 "TextAttributeRun.hpp"
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#include "AttrRowIterator.hpp"
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class ATTR_ROW final
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{
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public:
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using const_iterator = typename AttrRowIterator;
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ATTR_ROW(const UINT cchRowWidth, const TextAttribute attr);
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void Reset(const TextAttribute attr);
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TextAttribute GetAttrByColumn(const size_t column) const;
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TextAttribute GetAttrByColumn(const size_t column,
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size_t* const pApplies) const;
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size_t GetNumberOfRuns() const noexcept;
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size_t FindAttrIndex(const size_t index,
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size_t* const pApplies) const;
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bool SetAttrToEnd(const UINT iStart, const TextAttribute attr);
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void ReplaceAttrs(const TextAttribute& toBeReplacedAttr, const TextAttribute& replaceWith) noexcept;
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void Resize(const size_t newWidth);
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[[nodiscard]] HRESULT InsertAttrRuns(const gsl::span<const TextAttributeRun> newAttrs,
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const size_t iStart,
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const size_t iEnd,
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const size_t cBufferWidth);
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static std::vector<TextAttributeRun> PackAttrs(const std::vector<TextAttribute>& attrs);
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const_iterator begin() const noexcept;
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const_iterator end() const noexcept;
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const_iterator cbegin() const noexcept;
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const_iterator cend() const noexcept;
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friend bool operator==(const ATTR_ROW& a, const ATTR_ROW& b) noexcept;
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friend class AttrRowIterator;
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private:
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std::vector<TextAttributeRun> _list;
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size_t _cchRowWidth;
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#ifdef UNIT_TESTING
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friend class AttrRowTests;
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#endif
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};
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