Gabriele Cosmo
54 lines
1.8 KiB
Plaintext
54 lines
1.8 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_tokenize
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#define tools_tokenize
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#include <string>
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#include <vector>
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namespace tools {
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inline bool double_quotes_get_token(const std::string& a_cmd,std::string::size_type a_begIdx,
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std::string::size_type& a_endIdx,std::string& a_token) {
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while ( a_cmd[a_begIdx] == ' ') ++a_begIdx; // Loop checking, 23.06.2015, I. Hrivnacova
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if ( a_cmd[a_begIdx] == '"' ) {
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a_endIdx = a_cmd.find('"', a_begIdx+1);
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if ( a_endIdx == std::string::npos ) a_endIdx = a_cmd.length();
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a_token = a_cmd.substr(a_begIdx+1, (a_endIdx-1)-a_begIdx);
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++a_endIdx;
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}
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else {
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a_endIdx = a_cmd.find(' ', a_begIdx);
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if ( a_endIdx == std::string::npos ) a_endIdx = a_cmd.length();
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a_token = a_cmd.substr(a_begIdx, a_endIdx-a_begIdx);
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}
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return ( a_token.length() > 0 );
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}
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// From a string, double_quotes_tokenize permits to get arguments
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// by taking into account strings enclosed by double quotes and potentially
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// containing spaces (for example to specify a file path containing spaces).
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// Example:
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// if a_cmd is the string: aa bbb "ccc ddd" ee "fff gg"
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// Returned a_args string list will be:
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// "aa", "bb", "ccc ddd", "ee", "fff gg"
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// Algorithm from Geant4/G4AnalysisUtilities.cc/Tokenize() done by Ivana Hrivnacova.
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inline void double_quotes_tokenize(const std::string& a_cmd, std::vector<std::string>& a_args) {
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std::string::size_type begIdx = 0;
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std::string::size_type endIdx = 0;
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std::string token;
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do {
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if ( double_quotes_get_token(a_cmd, begIdx, endIdx, token) ) {
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a_args.push_back(token);
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}
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begIdx = endIdx + 1;
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}
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while ( endIdx < a_cmd.length() ); // Loop checking, 23.06.2015, I. Hrivnacova
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}
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}
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#endif
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