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ircd: Additional lexical utils/overloads; increase lex_cast buffers.

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This commit is contained in:
Jason Volk 2017-03-23 16:08:59 -07:00
parent c2ca0637a7
commit 3ad1851388
1 changed files with 55 additions and 3 deletions
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58
include/ircd/lexical.h
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@ -71,7 +71,7 @@ template<> string_view lex_cast(int8_t, char *const &buf, const size_t &max);
template<> string_view lex_cast(bool, char *const &buf, const size_t &max);
// Circular static thread_local buffer
const size_t LEX_CAST_BUFS {8};
const size_t LEX_CAST_BUFS {256}; // plenty
template<class T> string_view lex_cast(const T &t);
//
@ -149,12 +149,18 @@ char *strip_colour(char *string);
char *strip_unprintable(char *string);
char *reconstruct_parv(int parc, const char **parv);
string_view chomp(const string_view &str, const string_view &c = " "s);
string_view chomp(const string_view &str, const char &c = '\n');
string_view chomp(const string_view &str, const string_view &c);
string_view strip(const string_view &str, const char &c = ' ');
string_view strip(const string_view &str, const string_view &c);
string_view lstrip(const string_view &str, const char &c = ' ');
string_view lstrip(const string_view &str, const string_view &c);
std::pair<string_view, string_view> split(const string_view &str, const char &delim = ' ');
std::pair<string_view, string_view> split(const string_view &str, const string_view &delim);
std::pair<string_view, string_view> rsplit(const string_view &str, const char &delim = ' ');
std::pair<string_view, string_view> rsplit(const string_view &str, const string_view &delim);
string_view between(const string_view &str, const string_view &a = "("s, const string_view &b = ")"s);
string_view between(const string_view &str, const string_view &a, const string_view &b);
string_view between(const string_view &str, const char &a = '(', const char &b = ')');
bool endswith(const string_view &str, const string_view &val);
bool endswith(const string_view &str, const char &val);
template<class It> bool endswith_any(const string_view &str, const It &begin, const It &end);
@ -228,6 +234,14 @@ ircd::between(const string_view &str,
return split(split(str, a).second, b).first;
}
inline ircd::string_view
ircd::between(const string_view &str,
const char &a,
const char &b)
{
return split(split(str, a).second, b).first;
}
inline std::pair<ircd::string_view, ircd::string_view>
ircd::rsplit(const string_view &str,
const string_view &delim)
@ -296,6 +310,36 @@ ircd::split(const string_view &str,
};
}
inline ircd::string_view
ircd::lstrip(const string_view &str,
const char &c)
{
const auto pos(str.find_first_not_of(c));
return pos != string_view::npos? string_view{str.substr(pos)} : str;
}
inline ircd::string_view
ircd::lstrip(const string_view &str,
const string_view &c)
{
const auto pos(str.find_first_not_of(c));
return pos != string_view::npos? string_view{str.substr(pos)} : str;
}
inline ircd::string_view
ircd::strip(const string_view &str,
const string_view &c)
{
return chomp(str, c);
}
inline ircd::string_view
ircd::strip(const string_view &str,
const char &c)
{
return chomp(str, c);
}
inline ircd::string_view
ircd::chomp(const string_view &str,
const string_view &c)
@ -304,6 +348,14 @@ ircd::chomp(const string_view &str,
return pos != string_view::npos? string_view{str.substr(0, pos + 1)} : str;
}
inline ircd::string_view
ircd::chomp(const string_view &str,
const char &c)
{
const auto pos(str.find_last_not_of(c));
return pos != string_view::npos? string_view{str.substr(0, pos + 1)} : str;
}
template<size_t N>
size_t
ircd::tokens(const string_view &str,