diff options
Diffstat (limited to 'third_party/abseil_cpp/absl/strings/substitute.cc')
-rw-r--r-- | third_party/abseil_cpp/absl/strings/substitute.cc | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/third_party/abseil_cpp/absl/strings/substitute.cc b/third_party/abseil_cpp/absl/strings/substitute.cc deleted file mode 100644 index 1f3c7409abb6..000000000000 --- a/third_party/abseil_cpp/absl/strings/substitute.cc +++ /dev/null @@ -1,171 +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. - -#include "absl/strings/substitute.h" - -#include <algorithm> - -#include "absl/base/internal/raw_logging.h" -#include "absl/strings/ascii.h" -#include "absl/strings/escaping.h" -#include "absl/strings/internal/resize_uninitialized.h" -#include "absl/strings/string_view.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace substitute_internal { - -void SubstituteAndAppendArray(std::string* output, absl::string_view format, - const absl::string_view* args_array, - size_t num_args) { - // Determine total size needed. - size_t size = 0; - for (size_t i = 0; i < format.size(); i++) { - if (format[i] == '$') { - if (i + 1 >= format.size()) { -#ifndef NDEBUG - ABSL_RAW_LOG(FATAL, - "Invalid absl::Substitute() format string: \"%s\".", - absl::CEscape(format).c_str()); -#endif - return; - } else if (absl::ascii_isdigit(format[i + 1])) { - int index = format[i + 1] - '0'; - if (static_cast<size_t>(index) >= num_args) { -#ifndef NDEBUG - ABSL_RAW_LOG( - FATAL, - "Invalid absl::Substitute() format string: asked for \"$" - "%d\", but only %d args were given. Full format string was: " - "\"%s\".", - index, static_cast<int>(num_args), absl::CEscape(format).c_str()); -#endif - return; - } - size += args_array[index].size(); - ++i; // Skip next char. - } else if (format[i + 1] == '$') { - ++size; - ++i; // Skip next char. - } else { -#ifndef NDEBUG - ABSL_RAW_LOG(FATAL, - "Invalid absl::Substitute() format string: \"%s\".", - absl::CEscape(format).c_str()); -#endif - return; - } - } else { - ++size; - } - } - - if (size == 0) return; - - // Build the string. - size_t original_size = output->size(); - strings_internal::STLStringResizeUninitialized(output, original_size + size); - char* target = &(*output)[original_size]; - for (size_t i = 0; i < format.size(); i++) { - if (format[i] == '$') { - if (absl::ascii_isdigit(format[i + 1])) { - const absl::string_view src = args_array[format[i + 1] - '0']; - target = std::copy(src.begin(), src.end(), target); - ++i; // Skip next char. - } else if (format[i + 1] == '$') { - *target++ = '$'; - ++i; // Skip next char. - } - } else { - *target++ = format[i]; - } - } - - assert(target == output->data() + output->size()); -} - -Arg::Arg(const void* value) { - static_assert(sizeof(scratch_) >= sizeof(value) * 2 + 2, - "fix sizeof(scratch_)"); - if (value == nullptr) { - piece_ = "NULL"; - } else { - char* ptr = scratch_ + sizeof(scratch_); - uintptr_t num = reinterpret_cast<uintptr_t>(value); - do { - *--ptr = absl::numbers_internal::kHexChar[num & 0xf]; - num >>= 4; - } while (num != 0); - *--ptr = 'x'; - *--ptr = '0'; - piece_ = absl::string_view(ptr, scratch_ + sizeof(scratch_) - ptr); - } -} - -// TODO(jorg): Don't duplicate so much code between here and str_cat.cc -Arg::Arg(Hex hex) { - char* const end = &scratch_[numbers_internal::kFastToBufferSize]; - char* writer = end; - uint64_t value = hex.value; - do { - *--writer = absl::numbers_internal::kHexChar[value & 0xF]; - value >>= 4; - } while (value != 0); - - char* beg; - if (end - writer < hex.width) { - beg = end - hex.width; - std::fill_n(beg, writer - beg, hex.fill); - } else { - beg = writer; - } - - piece_ = absl::string_view(beg, end - beg); -} - -// TODO(jorg): Don't duplicate so much code between here and str_cat.cc -Arg::Arg(Dec dec) { - assert(dec.width <= numbers_internal::kFastToBufferSize); - char* const end = &scratch_[numbers_internal::kFastToBufferSize]; - char* const minfill = end - dec.width; - char* writer = end; - uint64_t value = dec.value; - bool neg = dec.neg; - while (value > 9) { - *--writer = '0' + (value % 10); - value /= 10; - } - *--writer = '0' + value; - if (neg) *--writer = '-'; - - ptrdiff_t fillers = writer - minfill; - if (fillers > 0) { - // Tricky: if the fill character is ' ', then it's <fill><+/-><digits> - // But...: if the fill character is '0', then it's <+/-><fill><digits> - bool add_sign_again = false; - if (neg && dec.fill == '0') { // If filling with '0', - ++writer; // ignore the sign we just added - add_sign_again = true; // and re-add the sign later. - } - writer -= fillers; - std::fill_n(writer, fillers, dec.fill); - if (add_sign_again) *--writer = '-'; - } - - piece_ = absl::string_view(writer, end - writer); -} - -} // namespace substitute_internal -ABSL_NAMESPACE_END -} // namespace absl |