50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
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// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2018, Parallax Software, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#ifndef STA_TOKEN_PARSER_H
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#define STA_TOKEN_PARSER_H
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#include "DisallowCopyAssign.hh"
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namespace sta {
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// Iterate over the tokens in str separated by character sep.
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// Similar in functionality to strtok, but does not leave the string
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// side-effected. This is preferable to using strtok because it leaves
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// string terminators where the separators were.
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// Using STL string functions to parse tokens is messy and extremely slow
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// on the RogueWave/Solaris implementation, apparently because of mutexes
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// on temporary strings.
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class TokenParser
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{
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public:
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TokenParser(const char *str, const char *delimiters);
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bool hasNext();
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char *next();
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private:
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DISALLOW_COPY_AND_ASSIGN(TokenParser);
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const char *delimiters_;
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char *token_;
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char *token_end_;
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char token_delimiter_;
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bool first_;
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};
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} // namespace
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#endif
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