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Core/StringExt: Add overloads of EndsWith

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This commit is contained in:
Lynix
2022-03-19 14:19:52 +01:00
parent b97f1a4c41
commit cf5e4b72e1
3 changed files with 107 additions and 2 deletions
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69
src/Nazara/Core/StringExt.cpp
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@@ -96,6 +96,67 @@ namespace Nz
{
return utf8::distance(str.data(), str.data() + str.size());
}
bool EndsWith(const std::string_view& lhs, const std::string_view& rhs, CaseIndependent)
{
NAZARA_USE_ANONYMOUS_NAMESPACE
if (rhs.size() > lhs.size())
return false;
return std::equal(lhs.end() - rhs.size(), lhs.end(), rhs.begin(), rhs.end(), [](char c1, char c2)
{
return ToLower(c1) == ToLower(c2);
});
}
bool EndsWith(const std::string_view& lhs, const std::string_view& rhs, UnicodeAware)
{
if (lhs.empty())
return lhs == rhs;
else if (rhs.empty())
return true;
utf8::iterator<const char*> it(lhs.data() + lhs.size() - rhs.size(), lhs.data() + lhs.size() - rhs.size(), lhs.data() + lhs.size());
utf8::iterator<const char*> it2(rhs.data(), rhs.data(), rhs.data() + rhs.size());
do
{
if (it2.base() >= rhs.data() + rhs.size())
return true;
if (*it != *it2)
return false;
++it2;
}
while (*it++);
return true;
}
bool EndsWith(const std::string_view& lhs, const std::string_view& rhs, CaseIndependent, UnicodeAware)
{
if (lhs.empty())
return lhs == rhs;
else if (rhs.empty())
return true;
utf8::iterator<const char*> it(lhs.data() + lhs.size() - rhs.size(), lhs.data() + lhs.size() - rhs.size(), lhs.data() + lhs.size());
utf8::iterator<const char*> it2(rhs.data(), rhs.data(), rhs.data() + rhs.size());
do
{
if (it2.base() >= rhs.data() + rhs.size())
return true;
if (Unicode::GetLowercase(*it) != Unicode::GetLowercase(*it2))
return false;
++it2;
}
while (*it++);
return true;
}
std::string FromUtf16String(const std::u16string_view& u16str)
{
@@ -271,8 +332,10 @@ namespace Nz
bool StartsWith(const std::string_view& lhs, const std::string_view& rhs, UnicodeAware)
{
if (lhs.empty() || rhs.empty())
if (lhs.empty())
return lhs == rhs;
else if (rhs.empty())
return true;
utf8::iterator<const char*> it(lhs.data(), lhs.data(), lhs.data() + lhs.size());
utf8::iterator<const char*> it2(rhs.data(), rhs.data(), rhs.data() + rhs.size());
@@ -293,8 +356,10 @@ namespace Nz
bool StartsWith(const std::string_view& lhs, const std::string_view& rhs, CaseIndependent, UnicodeAware)
{
if (lhs.empty() || rhs.empty())
if (lhs.empty())
return lhs == rhs;
else if (rhs.empty())
return true;
utf8::iterator<const char*> it(lhs.data(), lhs.data(), lhs.data() + lhs.size());
utf8::iterator<const char*> it2(rhs.data(), rhs.data(), rhs.data() + rhs.size());