mirror of
https://github.com/encounter/dawn-cmake.git
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41e4d9a34c
This CL updates the clang format files to have a single shared format between Dawn and Tint. The major changes are tabs are 4 spaces, lines are 100 columns and namespaces are not indented. Bug: dawn:1339 Change-Id: I4208742c95643998d9fd14e77a9cc558071ded39 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87603 Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com>
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
// Copyright 2022 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_TINT_TEXT_UNICODE_H_
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#define SRC_TINT_TEXT_UNICODE_H_
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#include <cstddef>
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#include <cstdint>
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#include <ostream>
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#include <utility>
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namespace tint::text {
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/// CodePoint is a unicode code point.
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struct CodePoint {
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/// Constructor
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inline CodePoint() = default;
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/// Constructor
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/// @param v the code point value
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inline explicit CodePoint(uint32_t v) : value(v) {}
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/// @returns the code point value
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inline operator uint32_t() const { return value; }
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/// Assignment operator
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/// @param v the new value for the code point
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/// @returns this CodePoint
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inline CodePoint& operator=(uint32_t v) {
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value = v;
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return *this;
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}
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/// @returns true if this CodePoint is in the XID_Start set.
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/// @see https://unicode.org/reports/tr31/
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bool IsXIDStart() const;
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/// @returns true if this CodePoint is in the XID_Continue set.
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/// @see https://unicode.org/reports/tr31/
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bool IsXIDContinue() const;
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/// The code point value
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uint32_t value = 0;
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};
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/// Writes the CodePoint to the std::ostream.
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/// @param out the std::ostream to write to
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/// @param codepoint the CodePoint to write
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/// @returns out so calls can be chained
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std::ostream& operator<<(std::ostream& out, CodePoint codepoint);
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namespace utf8 {
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/// Decodes the first code point in the utf8 string.
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/// @param ptr the pointer to the first byte of the utf8 sequence
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/// @param len the maximum number of bytes to read
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/// @returns a pair of CodePoint and width in code units (bytes).
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/// If the next code point cannot be decoded then returns [0,0].
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std::pair<CodePoint, size_t> Decode(const uint8_t* ptr, size_t len);
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/// @returns true if all the utf-8 code points in the string are ASCII
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/// (code-points 0x00..0x7f).
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bool IsASCII(std::string_view);
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} // namespace utf8
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} // namespace tint::text
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#endif // SRC_TINT_TEXT_UNICODE_H_
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