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68 lines
2.2 KiB
C++
68 lines
2.2 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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#pragma once
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#include "utils/Status.h"
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#include <string>
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#include <vector>
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namespace milvus {
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namespace server {
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class StringHelpFunctions {
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private:
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StringHelpFunctions() = default;
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public:
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static void
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TrimStringBlank(std::string& string);
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static void
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TrimStringQuote(std::string& string, const std::string& qoute);
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// split string by delimeter ','
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// a,b,c a | b | c
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// a,b, a | b |
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// ,b,c | b | c
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// ,b, | b |
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// ,, | |
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// a a
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static Status
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SplitStringByDelimeter(const std::string& str, const std::string& delimeter, std::vector<std::string>& result);
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// assume the table has two columns, quote='\"', delimeter=','
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// a,b a | b
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// "aa,gg,yy",b aa,gg,yy | b
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// aa"dd,rr"kk,pp aadd,rrkk | pp
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// "aa,bb" aa,bb
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// 55,1122\"aa,bb\",yyy,\"kkk\" 55 | 1122aa,bb | yyy | kkk
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// "55,1122"aa,bb",yyy,"kkk" illegal
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static Status
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SplitStringByQuote(const std::string& str, const std::string& delimeter, const std::string& quote,
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std::vector<std::string>& result);
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// std regex match function
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// regex grammar reference: http://www.cplusplus.com/reference/regex/ECMAScript/
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static bool
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IsRegexMatch(const std::string& target_str, const std::string& pattern);
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};
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} // namespace server
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} // namespace milvus
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