diff options
Diffstat (limited to 'tools/utils.c')
-rw-r--r-- | tools/utils.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/tools/utils.c b/tools/utils.c new file mode 100644 index 0000000..c544f20 --- /dev/null +++ b/tools/utils.c @@ -0,0 +1,76 @@ +#include <string> +#include <sstream> +#include <iomanip> +//#include <stdlib.h> /* for abs() */ +#include <cmath> +#include <ctype.h> /* for isalnum() */ + +// strip off the directory part of a path, leaving just +// the basic filename +std::string basename(const std::string path){ + size_t where = path.rfind("/"); + if (where != std::string::npos) return path.substr(1+where); + return path; +} + +//////////////// +// little utility to help with argument parsing: +// +int prefix(const std::string shorter, const std::string longer){ + return shorter == longer.substr(0, shorter.length()); +} + +/////////////// +// print a time as (-)hh:mm:ss +// +std::string time_out(const int _ttt){ +using namespace std; + int ttt(abs(_ttt)); + int sec(ttt % 60); + int min((ttt / 60) % 60); + int hr(ttt / 3600); + stringstream foo; + int didsome(0); + if (_ttt < 0) foo << "-"; + if (hr) { + foo << hr << ":"; + didsome++; + } + if (didsome || min){ + foo << setw(didsome?2:1) << setfill('0') << min << ":"; + didsome++; + } + foo << setw(didsome?2:1) << setfill('0') << sec; + return foo.str(); +} + +std::string toLower(const std::string a){ + std::string rslt = a; + std::string::iterator rr; + for (rr = rslt.begin(); rr != rslt.end(); rr++){ + *rr = tolower(*rr); + } + return rslt; +} + +//////////////// +std::string ltrim(const std::string foo){ + size_t where = foo.find_first_not_of(" \t\r\n"); + if (where == foo.npos) return foo; + return foo.substr(where); +} + +static const std::string Pure_Enough("+-_.,@%~"); + +std::string purify(const std::string arg){ + using namespace std; + string rslt(arg); + for (string::iterator ptr = rslt.begin(); + ptr != rslt.end(); ptr++){ + char ch = *ptr; + if (isalnum(ch)) continue; + if (Pure_Enough.find(ch) != string::npos) continue; + *ptr = '~'; + } + return rslt; +} |