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44 lines
1.6 KiB
44 lines
1.6 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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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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*/
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#ifndef LIBTEXTCLASSIFIER_UTILS_STRINGS_SUBSTITUTE_H_
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#define LIBTEXTCLASSIFIER_UTILS_STRINGS_SUBSTITUTE_H_
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#include <string>
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#include <vector>
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#include "utils/strings/stringpiece.h"
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namespace libtextclassifier3 {
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namespace strings {
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// Formats a string with argument-binding.
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// Uses a format string that contains positional identifiers indicated by a
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// dollar sign ($) and a signle digit positional id to indicate which
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// substitution arguments to use at that location within the format string.
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// A '$$' sequence in the format string means output a literal '$' character.
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// Returns whether the substitution was successful.
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bool Substitute(const StringPiece format, const std::vector<StringPiece>& args,
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std::string* output);
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std::string Substitute(const StringPiece format,
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const std::vector<StringPiece>& args);
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} // namespace strings
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} // namespace libtextclassifier3
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#endif // LIBTEXTCLASSIFIER_UTILS_STRINGS_SUBSTITUTE_H_
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