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feat(string): add SStrLower

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This commit is contained in:
fallenoak 2020-11-16 18:41:53 -06:00
parent 936dd2158b
commit 320f5f1add
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GPG key ID: 7628F8E61AEA070D
3 changed files with 35 additions and 0 deletions
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9
storm/String.cpp
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@ -2,6 +2,7 @@
#include "storm/Error.hpp"
#include "storm/Memory.hpp"
#include "storm/string/bjhash.hpp"
#include <cctype>
#include <cstring>
#include <strings.h>
@ -220,6 +221,14 @@ size_t SStrLen(const char* string) {
return c - string;
}
void SStrLower(char* string) {
char* tmp = string;
for (; *tmp; tmp++) {
*tmp = static_cast<char>(tolower(*tmp));
}
}
const char* SStrStr(const char* string, const char* search) {
STORM_ASSERT(string);
STORM_ASSERT(search);

2
storm/String.hpp
View file

@ -19,6 +19,8 @@ uint32_t SStrHashHT(const char* string);
size_t SStrLen(const char* string);
void SStrLower(char* string);
const char* SStrStr(const char* string, const char* search);
#endif

24
test/String.cpp
View file

@ -76,6 +76,30 @@ TEST_CASE("SStrLen", "[string]") {
}
}
TEST_CASE("SStrLower", "[string]") {
SECTION("rewrites uppercase string to lowercase correctly") {
auto upper = "FOOBAR";
char* lower = static_cast<char*>(SMemAlloc(SStrLen(upper) + 1, __FILE__, __LINE__, 0x0));
SStrCopy(lower, upper, STORM_MAX_STR);
SStrLower(lower);
auto compare = SStrCmp(lower, "foobar", SStrLen(lower));
SMemFree(lower);
REQUIRE(!compare);
}
SECTION("rewrites lowercase string to lowercase correctly") {
auto lower1 = "foobar";
char* lower2 = static_cast<char*>(SMemAlloc(SStrLen(lower1) + 1, __FILE__, __LINE__, 0x0));
SStrCopy(lower2, lower1, STORM_MAX_STR);
SStrLower(lower2);
auto compare = SStrCmp(lower2, "foobar", SStrLen(lower2));
SMemFree(lower2);
REQUIRE(!compare);
}
}
TEST_CASE("SStrStr", "[string]") {
SECTION("finds substring when it exists at end of string") {
auto string = "foobar";