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ircd::rfc3986: Add URI decomposition.

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This commit is contained in:
Jason Volk 2019-06-13 21:44:51 -06:00
parent 0355391e34
commit 22f3c41603
2 changed files with 50 additions and 0 deletions
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14
include/ircd/rfc3986.h
View file

@ -14,6 +14,7 @@
/// Universal Resource Indicator (URI) grammars & tools
namespace ircd::rfc3986
{
struct uri;
struct parser;
IRCD_EXCEPTION(ircd::error, error)
@ -41,6 +42,19 @@ namespace ircd
namespace url = rfc3986;
}
struct ircd::rfc3986::uri
{
string_view scheme;
string_view user;
string_view remote;
string_view path;
string_view query;
string_view fragment;
uri(const string_view &);
uri() = default;
};
struct ircd::rfc3986::parser
{
using it = const char *;

36
ircd/rfc3986.cc
View file

@ -426,6 +426,42 @@ ircd::rfc3986::parser::uri_ref
,"URI-reference"
};
//
// uri decompose
//
BOOST_FUSION_ADAPT_STRUCT
(
ircd::rfc3986::uri,
( decltype(ircd::rfc3986::uri::scheme), scheme )
( decltype(ircd::rfc3986::uri::user), user )
( decltype(ircd::rfc3986::uri::remote), remote )
( decltype(ircd::rfc3986::uri::path), path )
( decltype(ircd::rfc3986::uri::query), query )
( decltype(ircd::rfc3986::uri::fragment), fragment )
)
ircd::rfc3986::uri::uri(const string_view &input)
{
static const parser::rule<rfc3986::uri> rule
{
raw[parser::scheme] >> lit("://")
>> -raw[parser::userinfo >> lit('@')]
>> raw[parser::remote]
>> raw[parser::path_abempty]
>> -raw[lit('?') >> parser::query]
>> -raw[lit('#') >> parser::fragment]
};
const char *start(begin(input)), *const stop(end(input));
qi::parse(start, stop, eps > rule, *this);
//TODO: XXX Can this go?
this->user = rstrip(this->user, '@');
this->query = lstrip(this->query, '?');
this->fragment = lstrip(this->fragment, '#');
}
//
// general interface
//