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[Strings] Split String Optimizations (#1325)

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* Switch the 2 split calls to SplitString

* Nuke duplicate split in favor of SplitString #1263

* Add a test for SplitString

* Optimize SplitString

Benchmarking:
--------------------------------------------------------------
Benchmark                       Time           CPU Iterations
--------------------------------------------------------------
bench_oldsplit               5201 ns       5201 ns     129500
bench_split                  1269 ns       1269 ns     548906

This is splitting a VERY long SpecialAbilities string. This is ~75%
speed up.
This commit is contained in:
Michael Cook (mackal)
2021-04-23 00:36:39 -04:00
committed by GitHub
parent 00fb9bc9f9
commit dba3010c89
5 changed files with 24 additions and 24 deletions
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common/string_util.h
+1 -2
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@@ -39,7 +39,6 @@
const std::string str_tolower(std::string s);
const std::string str_toupper(std::string s);
const std::string ucfirst(std::string s);
std::vector<std::string> split(std::string str_to_split, char delimiter);
const std::string StringFormat(const char* format, ...);
const std::string vStringFormat(const char* format, va_list args);
std::vector<std::string> wrap(std::vector<std::string> &src, std::string character);
@@ -177,7 +176,7 @@ std::vector<std::string> join_tuple(const std::string &glue, const std::pair<cha
return output;
}
std::vector<std::string> SplitString(const std::string &s, char delim);
std::vector<std::string> SplitString(const std::string &s, const char delim = ',');
std::string::size_type search_deliminated_string(const std::string &haystack, const std::string &needle, const char deliminator = ',');
std::string EscapeString(const char *src, size_t sz);
std::string EscapeString(const std::string &s);