76 lines
2.9 KiB
C++
76 lines
2.9 KiB
C++
//
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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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#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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// NOLINTNEXTLINE(readability-redundant-declaration)
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::kStar;
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// NOLINTNEXTLINE(readability-redundant-declaration)
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::kIntegral;
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// NOLINTNEXTLINE(readability-redundant-declaration)
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::kFloating;
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// NOLINTNEXTLINE(readability-redundant-declaration)
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::kNumeric;
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// NOLINTNEXTLINE(readability-redundant-declaration)
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constexpr FormatConversionCharSet FormatConversionCharSetInternal::kPointer;
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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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