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Diffstat (limited to 'third_party/abseil_cpp/absl/strings/internal/str_format/output.h')
-rw-r--r-- | third_party/abseil_cpp/absl/strings/internal/str_format/output.h | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/third_party/abseil_cpp/absl/strings/internal/str_format/output.h b/third_party/abseil_cpp/absl/strings/internal/str_format/output.h deleted file mode 100644 index 8030dae00f4f..000000000000 --- a/third_party/abseil_cpp/absl/strings/internal/str_format/output.h +++ /dev/null @@ -1,96 +0,0 @@ -// 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. -// -// Output extension hooks for the Format library. -// `internal::InvokeFlush` calls the appropriate flush function for the -// specified output argument. -// `BufferRawSink` is a simple output sink for a char buffer. Used by SnprintF. -// `FILERawSink` is a std::FILE* based sink. Used by PrintF and FprintF. - -#ifndef ABSL_STRINGS_INTERNAL_STR_FORMAT_OUTPUT_H_ -#define ABSL_STRINGS_INTERNAL_STR_FORMAT_OUTPUT_H_ - -#include <cstdio> -#include <ostream> -#include <string> - -#include "absl/base/port.h" -#include "absl/strings/string_view.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace str_format_internal { - -// RawSink implementation that writes into a char* buffer. -// It will not overflow the buffer, but will keep the total count of chars -// that would have been written. -class BufferRawSink { - public: - BufferRawSink(char* buffer, size_t size) : buffer_(buffer), size_(size) {} - - size_t total_written() const { return total_written_; } - void Write(string_view v); - - private: - char* buffer_; - size_t size_; - size_t total_written_ = 0; -}; - -// RawSink implementation that writes into a FILE*. -// It keeps track of the total number of bytes written and any error encountered -// during the writes. -class FILERawSink { - public: - explicit FILERawSink(std::FILE* output) : output_(output) {} - - void Write(string_view v); - - size_t count() const { return count_; } - int error() const { return error_; } - - private: - std::FILE* output_; - int error_ = 0; - size_t count_ = 0; -}; - -// Provide RawSink integration with common types from the STL. -inline void AbslFormatFlush(std::string* out, string_view s) { - out->append(s.data(), s.size()); -} -inline void AbslFormatFlush(std::ostream* out, string_view s) { - out->write(s.data(), s.size()); -} - -inline void AbslFormatFlush(FILERawSink* sink, string_view v) { - sink->Write(v); -} - -inline void AbslFormatFlush(BufferRawSink* sink, string_view v) { - sink->Write(v); -} - -// This is a SFINAE to get a better compiler error message when the type -// is not supported. -template <typename T> -auto InvokeFlush(T* out, string_view s) -> decltype(AbslFormatFlush(out, s)) { - AbslFormatFlush(out, s); -} - -} // namespace str_format_internal -ABSL_NAMESPACE_END -} // namespace absl - -#endif // ABSL_STRINGS_INTERNAL_STR_FORMAT_OUTPUT_H_ |