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Added strTrimPrefix/Suffix.

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This commit is contained in:
Бранимир Караџић
2021-10-02 11:20:32 -07:00
parent 59b391d9d6
commit 70f998ba19
3 changed files with 34 additions and 2 deletions
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20
include/bx/inline/string.inl
View File

@@ -308,4 +308,24 @@ namespace bx
;
}
inline StringView strTrimPrefix(const StringView& _str, const StringView& _prefix)
{
if (hasPrefix(_str, _prefix) )
{
return StringView(_str.getPtr() + _prefix.getLength(), _str.getTerm() );
}
return _str;
}
inline StringView strTrimSuffix(const StringView& _str, const StringView& _suffix)
{
if (hasSuffix(_str, _suffix) )
{
return StringView(_str.getPtr(), _str.getTerm() - _suffix.getLength() );
}
return _str;
}
} // namespace bx

6
include/bx/string.h
View File

@@ -266,6 +266,12 @@ namespace bx
/// Returns string view with whitespace characters trimmed from left and right.
StringView strTrimSpace(const StringView& _str);
/// Returns string view with prefix trimmed.
StringView strTrimPrefix(const StringView& _str, const StringView& _prefix);
/// Returns string view with suffix trimmed.
StringView strTrimSuffix(const StringView& _str, const StringView& _suffix);
/// Find new line. Returns pointer after new line terminator.
StringView strFindNl(const StringView& _str);

10
tests/string_test.cpp
View File

@@ -536,16 +536,22 @@ TEST_CASE("strFindBlock", "")
REQUIRE(19 == result.getLength() );
}
TEST_CASE("hasPrefix", "")
TEST_CASE("prefix", "")
{
REQUIRE( bx::hasPrefix("abvgd-1389.0", "abv") );
REQUIRE(!bx::hasPrefix("abvgd-1389.0", "bvg") );
REQUIRE( bx::hasPrefix("abvgd-1389.0", "") );
REQUIRE(0 == bx::strCmp(bx::strTrimPrefix("abvgd-1389.0", "abv"), "gd-1389.0") );
REQUIRE(0 == bx::strCmp(bx::strTrimPrefix("abvgd-1389.0", "xyz"), "abvgd-1389.0") );
}
TEST_CASE("hasSuffix", "")
TEST_CASE("suffix", "")
{
REQUIRE( bx::hasSuffix("abvgd-1389.0", "389.0") );
REQUIRE(!bx::hasSuffix("abvgd-1389.0", "1389") );
REQUIRE( bx::hasSuffix("abvgd-1389.0", "") );
REQUIRE(0 == bx::strCmp(bx::strTrimSuffix("abvgd-1389.0", "389.0"), "abvgd-1") );
REQUIRE(0 == bx::strCmp(bx::strTrimSuffix("abvgd-1389.0", "xyz"), "abvgd-1389.0") );
}