Gabriele Cosmo
65 lines
1.5 KiB
Plaintext
65 lines
1.5 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_svalues
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#define tools_svalues
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// See also snums.
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#include "sto"
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#include <vector>
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namespace tools {
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template <class T>
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inline bool values(const std::string& a_string,const std::string& a_sep,bool a_take_empty,std::vector<T>& a_values){
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// same logic as words() function.
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a_values.clear();
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if(a_string.empty()) return true;
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std::string::size_type lim = (a_take_empty?0:1);
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if(a_sep.empty()) {
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T value;
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if(!to<T>(a_string,value)) {
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a_values.clear();
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return false;
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}
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a_values.push_back(value);
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} else {
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std::string::size_type l = a_string.length();
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std::string::size_type llimiter = a_sep.length();
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std::string::size_type pos = 0;
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while(true) {
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std::string::size_type index = a_string.find(a_sep,pos);
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if(index==std::string::npos){ // Last word.
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if((l-pos)>=lim) {
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T value;
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if(!to<T>(a_string.substr(pos,l-pos),value)) {
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a_values.clear();
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return false;
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}
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a_values.push_back(value);
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}
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break;
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} else {
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// abcxxxef
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// 0 3 67
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if((index-pos)>=lim) {
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T value;
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if(!to<T>(a_string.substr(pos,index-pos),value)) {
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a_values.clear();
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return false;
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}
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a_values.push_back(value);
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}
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pos = index + llimiter;
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}
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}
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}
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return true;
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}
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}
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#endif
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