#include "kingate/headers.h"
#include "kingate/exception.h"

namespace kingate {

    void headers::set_header(const key_type& h,const mapped_type& c) {
	erase(h);
	insert(value_type(h,c));
    }
    void headers::add_header(const key_type& h,const mapped_type& c) {
	insert(value_type(h,c));
    }
    void headers::unset_header(const key_type& h) {
	erase(h);
    }
    const headers::mapped_type& headers::get_header(const key_type& h) const {
	const_iterator i=find(h);
	if(i==end())
	    throw exception_notfound(CODEPOINT,"No such header");
	return i->second;
    }
    headers::mapped_type& headers::get_header(const key_type& h) {
	// XXX: or should it fail if there's no such thing, unlike operator[]?
	iterator i=find(h);
	if(i==end())
	    i = insert(value_type(h,""));
	return i->second;
    }

    pair<headers::const_iterator,headers::const_iterator> headers::get_headers(const key_type& h) const {
	return equal_range(h);
    }
    pair<headers::iterator,headers::iterator> headers::get_headers(const key_type& h) {
	return equal_range(h);
    }

    bool headers::has_header(const key_type& h) const {
	return find(h)!=end();
    }
}