c34026b101
note: done using ```sh git grep -l "2010-2024 Google" | xargs sed -i 's/2010-2024 Google/2010-2025 Google/' ```
47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
// Copyright 2010-2025 Google LLC
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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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#ifndef OR_TOOLS_UTIL_STRING_UTIL_H_
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#define OR_TOOLS_UTIL_STRING_UTIL_H_
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#include <string>
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#include "absl/strings/str_cat.h"
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namespace operations_research {
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// Crops a multi-line string horizontally and vertically, as needed. Skipped
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// lines (to spare vertical space) are replaced by "... [42 LINES CROPPED] ..."
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// and non-skipped but cropped lines (to spare horizontal space) are replaced
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// by "%prefix% ..[35 CHARS CROPPED].. %suffix%" where %prefix% and %suffix% are
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// equally-sized (possibly off-by-one) substrings of the line, to fit in the
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// required width.
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//
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// WARNING: The code is intended to be used for debugging and visual aid.
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// While it shouldn't crash, it makes a few shortcuts and can violate the
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// requirements (eg. some lines may be longer than max_line_length).
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std::string CropMultiLineString(const std::string& s, int max_line_length,
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int max_num_lines);
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// Helper to display a object with a DebugString method in a absl::StrJoin.
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struct DebugStringFormatter {
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template <typename T>
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void operator()(std::string* out, const T& t) const {
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absl::StrAppend(out, t.DebugString());
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}
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};
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} // namespace operations_research
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#endif // OR_TOOLS_UTIL_STRING_UTIL_H_
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