73 lines
2.7 KiB
C++
73 lines
2.7 KiB
C++
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/**********************************************************************
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* Copyright (c) 2002, Leo Seib, Hannover
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*
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* Project:SQLiteDataset C++ Dynamic Library
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* Module: StringHelper class realisation file
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* Author: Leo Seib E-Mail: lev@almaty.pointstrike.net
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* Begin: 5/04/2002
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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**********************************************************************/
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#include "stringhelper.h"
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str_helper::str_helper() {work_str = "";}
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str_helper::str_helper(const char *s){work_str = s;}
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string str_helper::get_str() {return work_str;}
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void str_helper::set_str(const char *s) {work_str = s; };
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string str_helper::before(string s, bool &is_found) {
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is_found = false;
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int pos = work_str.find(s);
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int idx = pos+s.length();
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is_found = pos >= 0;
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if (idx == (int) work_str.length())
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return work_str.substr(0,pos);
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else
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if ((pos >= 0) && (!( (work_str[idx]>48 && work_str[idx]<58) || (work_str[idx]>64 && work_str[idx]<91) || (work_str[idx]>97 && work_str[idx]<123) || work_str[idx]==95 )))
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return work_str.substr(0,pos);
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else //return (string)NULL;
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{ string tmp("");
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return tmp;
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}
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}
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string str_helper::after(string s) {return work_str.substr(work_str.find(s)+s.length(),work_str.length());}
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string str_helper::replace(string pattern, string by_what) {
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bool is_found;
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string bf = before(pattern,is_found);
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string aft("");
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string result("");
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while (is_found) {
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aft = after(pattern);
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result = bf + by_what + aft;
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work_str.assign(result);
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bf = before(pattern,is_found);
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}
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if (result.length()==0) result = work_str.c_str();
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return result;
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}
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