45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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// This file is copied from
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// https://github.com/apache/impala/blob/branch-2.9.0/be/src/exprs/string-functions.h
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// and modified by Doris
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#pragma once
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#include <re2/re2.h>
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#include <iomanip>
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#include <locale>
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#include <sstream>
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#include <string_view>
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#include "gutil/strings/numbers.h"
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#include "vec/common/string_ref.h"
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namespace doris {
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class StringFunctions {
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public:
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static bool set_re2_options(const doris::StringRef& match_parameter, std::string* error_str,
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re2::RE2::Options* opts);
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// The caller owns the returned regex. Returns nullptr if the pattern could not be compiled.
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static bool compile_regex(const StringRef& pattern, std::string* error_str,
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const StringRef& match_parameter, std::unique_ptr<re2::RE2>& re);
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};
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} // namespace doris
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