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517278ac08
This CL consolidates the unicode code into utils. These are utility libraries, so the extra namespace doesn't add much. Change-Id: Id0de612b6be036392a3cb018bfe66733f2f1ebcb Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/127403 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
// Copyright 2023 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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#include "src/tint/utils/string_stream.h"
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namespace tint::utils {
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StringStream::StringStream() {
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sstream_.flags(sstream_.flags() | std::ios_base::showpoint | std::ios_base::fixed);
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sstream_.imbue(std::locale::classic());
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sstream_.precision(9);
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}
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StringStream::~StringStream() = default;
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utils::StringStream& operator<<(utils::StringStream& out, CodePoint code_point) {
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if (code_point < 0x7f) {
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// See https://en.cppreference.com/w/cpp/language/escape
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switch (code_point) {
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case '\a':
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return out << R"('\a')";
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case '\b':
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return out << R"('\b')";
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case '\f':
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return out << R"('\f')";
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case '\n':
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return out << R"('\n')";
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case '\r':
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return out << R"('\r')";
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case '\t':
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return out << R"('\t')";
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case '\v':
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return out << R"('\v')";
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}
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return out << "'" << static_cast<char>(code_point) << "'";
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}
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return out << "'U+" << std::hex << code_point.value << "'";
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}
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} // namespace tint::utils
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