Abseil Common Libraries (C++) (grcp 依赖)
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85 lines
2.2 KiB
85 lines
2.2 KiB
7 years ago
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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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// 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 "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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namespace str_format_internal {
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namespace {
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// clang-format off
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#define ABSL_LENGTH_MODS_EXPAND_ \
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X_VAL(h) X_SEP \
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X_VAL(hh) X_SEP \
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X_VAL(l) X_SEP \
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X_VAL(ll) X_SEP \
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X_VAL(L) X_SEP \
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X_VAL(j) X_SEP \
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X_VAL(z) X_SEP \
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X_VAL(t) X_SEP \
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X_VAL(q)
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// clang-format on
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} // namespace
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const LengthMod::Spec LengthMod::kSpecs[] = {
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#define X_VAL(id) { LengthMod::id, #id, strlen(#id) }
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#define X_SEP ,
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ABSL_LENGTH_MODS_EXPAND_, {LengthMod::none, "", 0}
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#undef X_VAL
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#undef X_SEP
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};
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const ConversionChar::Spec ConversionChar::kSpecs[] = {
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#define X_VAL(id) { ConversionChar::id, #id[0] }
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#define X_SEP ,
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ABSL_CONVERSION_CHARS_EXPAND_(X_VAL, X_SEP),
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{ConversionChar::none, '\0'},
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#undef X_VAL
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#undef X_SEP
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};
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std::string Flags::ToString() const {
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std::string s;
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s.append(left ? "-" : "");
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s.append(show_pos ? "+" : "");
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s.append(sign_col ? " " : "");
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s.append(alt ? "#" : "");
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s.append(zero ? "0" : "");
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return s;
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}
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const size_t LengthMod::kNumValues;
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const size_t ConversionChar::kNumValues;
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bool FormatSinkImpl::PutPaddedString(string_view v, int w, int p, bool l) {
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size_t space_remaining = 0;
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if (w >= 0) space_remaining = w;
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size_t n = v.size();
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if (p >= 0) n = std::min(n, static_cast<size_t>(p));
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string_view shown(v.data(), n);
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space_remaining = Excess(shown.size(), space_remaining);
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if (!l) Append(space_remaining, ' ');
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Append(shown);
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if (l) 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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} // namespace absl
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