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Add utils::count_words and utils::trim_comment

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This commit is contained in:
Richard Berger
2020-05-15 15:46:38 -04:00
parent 807130c771
commit db46521d64
4 changed files with 58 additions and 0 deletions
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22
src/utils.cpp
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@ -16,6 +16,7 @@
#include <cstdlib>
#include "lammps.h"
#include "error.h"
#include "tokenizer.h"
#if defined(__linux__)
#include <unistd.h> // for readlink
@ -326,6 +327,26 @@ tagint utils::tnumeric(const char *file, int line, const char *str,
return ATOTAGINT(str);
}
/* ----------------------------------------------------------------------
Return string without trailing # comment
------------------------------------------------------------------------- */
std::string utils::trim_comment(const std::string & line) {
auto end = line.find_first_of("#");
if (end != std::string::npos) {
return line.substr(0, end);
}
return std::string(line);
}
/* ----------------------------------------------------------------------
Trim comment from string and return number of words
------------------------------------------------------------------------- */
size_t utils::count_words(const std::string & text, const std::string & seperators) {
Tokenizer words(utils::trim_comment(text), seperators);
return words.count();
}
/* ------------------------------------------------------------------ */
@ -668,4 +689,5 @@ extern "C" {
return 0;
}
}