diff options
-rw-r--r-- | apt-pkg/contrib/strutl.cc | 8 | ||||
-rw-r--r-- | apt-pkg/contrib/strutl.h | 21 | ||||
-rw-r--r-- | test/libapt/strutil_test.cc | 4 |
3 files changed, 25 insertions, 8 deletions
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc index fd768f183..77e48962c 100644 --- a/apt-pkg/contrib/strutl.cc +++ b/apt-pkg/contrib/strutl.cc @@ -1120,11 +1120,9 @@ vector<string> VectorizeString(string const &haystack, char const &split) /*}}}*/ // StringSplit - split a string into a string vector by token /*{{{*/ // --------------------------------------------------------------------- -/* This can be used to split a given string up from a given string token - * into a vector of strings. A optional "maxsplit" argument can be used - * to limit the splitting, in this case the +/* See header for details. */ -vector<string> StringSplit(string const &s, std::string const &sep, +vector<string> StringSplit(std::string const &s, std::string const &sep, unsigned int maxsplit) { vector<string> split; @@ -1141,7 +1139,7 @@ vector<string> StringSplit(string const &s, std::string const &sep, split.push_back(s.substr(start, pos-start)); // if maxsplit is reached, the remaining string is the last item - if(maxsplit > 0 && split.size() >= maxsplit) + if(split.size() >= maxsplit) { split[split.size()-1] = s.substr(start); break; diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h index 080f9f82e..b42e06491 100644 --- a/apt-pkg/contrib/strutl.h +++ b/apt-pkg/contrib/strutl.h @@ -17,7 +17,7 @@ #define STRUTL_H - +#include <limits> #include <stdlib.h> #include <string> #include <cstring> @@ -70,8 +70,23 @@ bool TokSplitString(char Tok,char *Input,char **List, // split a given string by a char std::vector<std::string> VectorizeString(std::string const &haystack, char const &split) __attrib_const; -// split a given string by a string token -std::vector<std::string> StringSplit(std::string const &input, std::string const &sep, unsigned int maxsplit=0) __attrib_const; +/* \brief Return a vector of strings from string "input" where "sep" + * is used as the delimiter string. + * + * \param input The input string. + * + * \param sep The seperator to use. + * + * \param maxsplit (optional) The maximum amount of splitting that + * should be done . + * + * The optional "maxsplit" argument can be used to limit the splitting, + * if used the string is only split on maxsplit places and the last + * item in the vector contains the remainder string. + */ +std::vector<std::string> StringSplit(std::string const &input, + std::string const &sep, + unsigned int maxsplit=std::numeric_limits<unsigned int>::max()) __attrib_const; void ioprintf(std::ostream &out,const char *format,...) __like_printf(2); void strprintf(std::string &out,const char *format,...) __like_printf(2); diff --git a/test/libapt/strutil_test.cc b/test/libapt/strutil_test.cc index b044b7f34..110a20d27 100644 --- a/test/libapt/strutil_test.cc +++ b/test/libapt/strutil_test.cc @@ -65,5 +65,9 @@ int main(int argc,char *argv[]) equals(result[0], "x"); equals(result[1], "y:z"); + input = "abc"; + result = StringSplit(input, ""); + equals(result.size(), 0); + return 0; } |