Abseil Common Libraries (C++) (grcp 依赖)
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74 lines
2.7 KiB
74 lines
2.7 KiB
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// Copyright 2017 The Abseil 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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// https://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 "absl/strings/internal/str_format/extension.h" |
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#include <errno.h> |
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#include <algorithm> |
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#include <string> |
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namespace absl { |
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ABSL_NAMESPACE_BEGIN |
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namespace str_format_internal { |
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std::string FlagsToString(Flags v) { |
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std::string s; |
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s.append(FlagsContains(v, Flags::kLeft) ? "-" : ""); |
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s.append(FlagsContains(v, Flags::kShowPos) ? "+" : ""); |
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s.append(FlagsContains(v, Flags::kSignCol) ? " " : ""); |
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s.append(FlagsContains(v, Flags::kAlt) ? "#" : ""); |
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s.append(FlagsContains(v, Flags::kZero) ? "0" : ""); |
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return s; |
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} |
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#ifdef ABSL_INTERNAL_NEED_REDUNDANT_CONSTEXPR_DECL |
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#define ABSL_INTERNAL_X_VAL(id) \ |
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constexpr absl::FormatConversionChar FormatConversionCharInternal::id; |
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ABSL_INTERNAL_CONVERSION_CHARS_EXPAND_(ABSL_INTERNAL_X_VAL, ) |
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#undef ABSL_INTERNAL_X_VAL |
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// NOLINTNEXTLINE(readability-redundant-declaration) |
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constexpr absl::FormatConversionChar FormatConversionCharInternal::kNone; |
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#define ABSL_INTERNAL_CHAR_SET_CASE(c) \ |
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::c; |
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ABSL_INTERNAL_CONVERSION_CHARS_EXPAND_(ABSL_INTERNAL_CHAR_SET_CASE, ) |
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#undef ABSL_INTERNAL_CHAR_SET_CASE |
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::kStar; |
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::kIntegral; |
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::kFloating; |
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::kNumeric; |
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::kPointer; |
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#endif // ABSL_INTERNAL_NEED_REDUNDANT_CONSTEXPR_DECL |
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bool FormatSinkImpl::PutPaddedString(string_view value, int width, |
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int precision, bool left) { |
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size_t space_remaining = 0; |
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if (width >= 0) space_remaining = width; |
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size_t n = value.size(); |
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if (precision >= 0) n = std::min(n, static_cast<size_t>(precision)); |
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string_view shown(value.data(), n); |
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space_remaining = Excess(shown.size(), space_remaining); |
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if (!left) Append(space_remaining, ' '); |
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Append(shown); |
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if (left) Append(space_remaining, ' '); |
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return true; |
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} |
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} // namespace str_format_internal |
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ABSL_NAMESPACE_END |
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} // namespace absl
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