MirrorHub/construct
0
0
Fork 0
mirror of https://github.com/matrix-construct/construct synced 2025-02-18 09:40:12 +01:00
Code Issues Releases Wiki Activity

ircd::util: Add suite to util::params for fetch-by-name.

Browse source
This commit is contained in:
Jason Volk 2018-08-15 22:49:15 -07:00
parent 69e1c3478f
commit fd36e553d5
1 changed files with 59 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

62
include/ircd/util/params.h
View file

@ -26,6 +26,7 @@ class ircd::util::params
std::vector<const char *> names;
const char *name(const size_t &i) const;
size_t name(const string_view &) const;
public:
IRCD_EXCEPTION(ircd::error, error)
@ -33,11 +34,19 @@ class ircd::util::params
IRCD_EXCEPTION(error, invalid)
size_t count() const;
// Get positional argument by position index
string_view operator[](const size_t &i) const; // returns empty
template<class T> T at(const size_t &i, const T &def) const; // throws invalid
template<class T> T at(const size_t &i) const; // throws missing or invalid
string_view at(const size_t &i) const; // throws missing
// Get positional argument by name->index convenience.
string_view operator[](const string_view &) const;
template<class T> T at(const string_view &, const T &def) const;
template<class T> T at(const string_view &) const;
string_view at(const string_view &) const;
params(const string_view &in,
const char *const &sep,
const std::initializer_list<const char *> &names = {});
@ -53,6 +62,37 @@ ircd::util::params::params(const string_view &in,
{
}
template<class T>
T
ircd::util::params::at(const string_view &name,
const T &def)
const
{
return at<T>(this->name(name), def);
}
template<class T>
T
ircd::util::params::at(const string_view &name)
const
{
return at<T>(this->name(name));
}
inline ircd::string_view
ircd::util::params::at(const string_view &name)
const
{
return at(this->name(name));
}
inline ircd::string_view
ircd::util::params::operator[](const string_view &name)
const
{
return operator[](this->name(name));
}
template<class T>
T
ircd::util::params::at(const size_t &i,
@ -63,7 +103,10 @@ const try
}
catch(const bad_lex_cast &e)
{
throw invalid("parameter #%zu <%s>", i, name(i));
throw invalid
{
"parameter #%zu <%s>", i, name(i)
};
}
template<class T>
@ -75,7 +118,10 @@ const try
}
catch(const bad_lex_cast &e)
{
throw invalid("parameter #%zu <%s>", i, name(i));
throw invalid
{
"parameter #%zu <%s>", i, name(i)
};
}
inline ircd::string_view
@ -86,7 +132,10 @@ const try
}
catch(const std::out_of_range &e)
{
throw missing("required parameter #%zu <%s>", i, name(i));
throw missing
{
"required parameter #%zu <%s>", i, name(i)
};
}
inline ircd::string_view
@ -103,6 +152,13 @@ const
return token_count(in, sep);
}
inline size_t
ircd::util::params::name(const string_view &name)
const
{
return util::index(begin(names), end(names), name);
}
inline const char *
ircd::util::params::name(const size_t &i)
const