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Pods/abseil/absl/strings/internal/str_format/extension.cc

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+//
+// Copyright 2017 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "absl/strings/internal/str_format/extension.h"
+
+#include <errno.h>
+#include <algorithm>
+#include <string>
+
+namespace absl {
+ABSL_NAMESPACE_BEGIN
+namespace str_format_internal {
+
+std::string FlagsToString(Flags v) {
+  std::string s;
+  s.append(FlagsContains(v, Flags::kLeft) ? "-" : "");
+  s.append(FlagsContains(v, Flags::kShowPos) ? "+" : "");
+  s.append(FlagsContains(v, Flags::kSignCol) ? " " : "");
+  s.append(FlagsContains(v, Flags::kAlt) ? "#" : "");
+  s.append(FlagsContains(v, Flags::kZero) ? "0" : "");
+  return s;
+}
+
+#ifdef ABSL_INTERNAL_NEED_REDUNDANT_CONSTEXPR_DECL
+
+#define ABSL_INTERNAL_X_VAL(id) \
+  constexpr absl::FormatConversionChar FormatConversionCharInternal::id;
+ABSL_INTERNAL_CONVERSION_CHARS_EXPAND_(ABSL_INTERNAL_X_VAL, )
+#undef ABSL_INTERNAL_X_VAL
+// NOLINTNEXTLINE(readability-redundant-declaration)
+constexpr absl::FormatConversionChar FormatConversionCharInternal::kNone;
+
+#define ABSL_INTERNAL_CHAR_SET_CASE(c) \
+  constexpr FormatConversionCharSet FormatConversionCharSetInternal::c;
+ABSL_INTERNAL_CONVERSION_CHARS_EXPAND_(ABSL_INTERNAL_CHAR_SET_CASE, )
+#undef ABSL_INTERNAL_CHAR_SET_CASE
+
+constexpr FormatConversionCharSet FormatConversionCharSetInternal::kStar;
+constexpr FormatConversionCharSet FormatConversionCharSetInternal::kIntegral;
+constexpr FormatConversionCharSet FormatConversionCharSetInternal::kFloating;
+constexpr FormatConversionCharSet FormatConversionCharSetInternal::kNumeric;
+constexpr FormatConversionCharSet FormatConversionCharSetInternal::kPointer;
+
+#endif  // ABSL_INTERNAL_NEED_REDUNDANT_CONSTEXPR_DECL
+
+bool FormatSinkImpl::PutPaddedString(string_view value, int width,
+                                     int precision, bool left) {
+  size_t space_remaining = 0;
+  if (width >= 0)
+    space_remaining = static_cast<size_t>(width);
+  size_t n = value.size();
+  if (precision >= 0) n = std::min(n, static_cast<size_t>(precision));
+  string_view shown(value.data(), n);
+  space_remaining = Excess(shown.size(), space_remaining);
+  if (!left) Append(space_remaining, ' ');
+  Append(shown);
+  if (left) Append(space_remaining, ' ');
+  return true;
+}
+
+}  // namespace str_format_internal
+ABSL_NAMESPACE_END
+}  // namespace absl