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ircd: Add mutable_buffer ctor to parse::buffer; cleanup parse related.

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This commit is contained in:
Jason Volk 2017-10-03 05:05:15 -07:00
parent 9d4c2fb5c3
commit fccfa03308
3 changed files with 13 additions and 64 deletions
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38
include/ircd/parse.h
View file

@ -45,20 +45,6 @@ struct ircd::parse
struct buffer;
};
struct ircd::parse::grammar
{
static std::map<std::string_view, const grammar *> grammars;
const char *const name;
private:
decltype(grammars)::const_iterator grammars_it;
public:
grammar(const char *const &name);
~grammar() noexcept;
};
struct ircd::parse::buffer
{
char *base; // Lowest address of the buffer (const)
@ -74,28 +60,24 @@ struct ircd::parse::buffer
void discard();
void remove();
buffer(const buffer &old, char *const &start, char *const &stop)
:base{start}
,parsed{start}
,read{start + old.unparsed()}
buffer(const buffer &old, const mutable_buffer &mb)
:base{data(mb)}
,parsed{data(mb)}
,read{data(mb) + old.unparsed()}
,stop{stop}
{
memmove(base, old.base, old.unparsed());
}
buffer(char *const &start, char *const &stop)
:base{start}
,parsed{start}
,read{start}
,stop{stop}
buffer(const mutable_buffer &mb)
:base{data(mb)}
,parsed{data(mb)}
,read{data(mb)}
,stop{data(mb) + ircd::size(mb)}
{}
template<size_t N> buffer(const buffer &old, char (&buf)[N])
:buffer{old, buf, buf + N}
{}
template<size_t N> buffer(char (&buf)[N])
:buffer{buf, buf + N}
:buffer{old, buf}
{}
};

9
ircd/http.cc
View file

@ -130,7 +130,6 @@ template<class it,
class top>
struct ircd::http::grammar
:qi::grammar<it, top>
,parse::grammar
{
template<class R = unused_type, class... S> using rule = qi::rule<it, R, S...>;
@ -218,15 +217,11 @@ struct ircd::http::grammar
,"response"
};
grammar(const rule<top> &top_rule, const char *const &name)
grammar(const rule<top> &top_rule)
:grammar<it, top>::base_type
{
top_rule
}
,parse::grammar
{
name
}
{}
};
@ -236,7 +231,7 @@ struct ircd::http::parser
static size_t content_length(const string_view &val);
using http::grammar<const char *, unused_type>::grammar;
parser(): grammar { grammar::ws, "http.request" } {}
parser(): grammar { grammar::ws } {}
}
const ircd::http::parser;

30
ircd/parse.cc
View file

@ -19,37 +19,9 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
//#include <boost/spirit/include/qi.hpp>
//#include <boost/spirit/include/karma.hpp>
namespace ircd {
// Registry of grammars. Grammars are usualy static data or modules.
IRCD_INIT_PRIORITY(STD_CONTAINER)
decltype(parse::grammar::grammars)
parse::grammar::grammars
namespace ircd
{
};
} // namespace ircd
ircd::parse::grammar::grammar(const char *const &name)
:name{name}
,grammars_it{[this, &name]
{
const auto iit(grammars.emplace(name, this));
if(!iit.second)
throw grammar_error("Parsing grammar named \"%s\" already exists.", name);
return iit.first;
}()}
{
}
ircd::parse::grammar::~grammar()
noexcept
{
grammars.erase(grammars_it);
}