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ircd: Add overloads for counted character leading/trailing strip.

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This commit is contained in:
Jason Volk 2020-01-23 20:55:13 -08:00
parent f12a4bfdd1
commit 0231e26c76
1 changed files with 26 additions and 0 deletions
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26
include/ircd/stringops.h
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@ -31,11 +31,13 @@ namespace ircd
string_view lstrip(const string_view &str, const char &c = ' ');
string_view lstrip(string_view str, const string_view &c);
string_view lstrip(string_view str, const string_view &c, size_t n);
string_view lstrip(string_view str, const char &c, size_t n);
// return view without trailing occurrences of c
string_view rstrip(const string_view &str, const char &c = ' ');
string_view rstrip(string_view str, const string_view &c);
string_view rstrip(string_view str, const string_view &c, size_t n);
string_view rstrip(string_view str, const char &c, size_t n);
// return view without leading and trailing occurrences of c
string_view strip(const string_view &str, const char &c = ' ');
@ -478,6 +480,18 @@ ircd::rstrip(string_view str,
return str;
}
/// Remove trailing instances of c from the returned view
inline ircd::string_view
ircd::rstrip(string_view str,
const char &c,
size_t n)
{
while(endswith(str, c) && n--)
str.pop_back();
return str;
}
/// Remove trailing instances of c from the returned view
inline ircd::string_view
ircd::rstrip(const string_view &str,
@ -512,6 +526,18 @@ ircd::lstrip(string_view str,
return str;
}
/// Remove n leading instances of c from the returned view
inline ircd::string_view
ircd::lstrip(string_view str,
const char &c,
size_t n)
{
while(startswith(str, c) && n--)
str.pop_front();
return str;
}
/// Remove leading instances of c from the returned view.
inline ircd::string_view
ircd::lstrip(const string_view &str,