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|
--
-- $Id$
--
-- This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
-- project.
--
-- Copyright (C) 1998-2018 OpenLink Software
--
-- This project is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; only version 2 of the License, dated June 1991.
--
-- This program is distributed in the hope that it will be useful, but
-- WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-- General Public License for more details.
--
-- You should have received a copy of the GNU General Public License along
-- with this program; if not, write to the Free Software Foundation, Inc.,
-- 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
--
--
-- SERVER
DB.DBA.VHOST_REMOVE (lpath=>'/rdf_net')
;
DB.DBA.VHOST_DEFINE (lpath=>'/rdf_net', ppath=>'/rdf_net')
;
-- use RDF_NET
-- ;
--create procedure RDF_NET.RDF_NET.rdf_net () __SOAP_HTTP 'text/html'
create procedure rdf_net () __SOAP_HTTP 'text/html'
{
;
}
;
grant execute on DB.DBA.rdf_net to public
;
create procedure DB.DBA.HTTP_RDF_NET (in _q any)
{
declare res, mdta, dta any;
declare state, msg, _check any;
declare ses any;
_q := trim (_q);
if (_q= '') return;
_check := sql_parse (_q);
if (_check [0] <> 100)
signal ('rdf_net', 'Error in query.');
res := exec (_q, state, msg, vector (), 0, mdta, dta);
DB.DBA.rdf_net_make_struct (mdta, dta);
return mdta;
}
;
create procedure
rdf_net_format_mdta (inout mdta any)
{
declare idx, _line, _name, temp any;
temp := mdta[0];
for (idx := 0; idx < length (temp); idx := idx + 1)
{
_line := temp[idx];
_name := temp[idx][0];
_name := replace (_name, ' ', '_');
aset (_line, 0, _name);
aset (temp, idx, _line);
}
aset (mdta, 0, temp);
}
;
create procedure
rdf_net_make_xml (inout dta any, inout mdta any)
{
declare i, l, idx int;
declare ses any;
declare xsd varchar;
ses := string_output ();
http ('<?xml version="1.0" ?>\n', ses);
http ('<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:vcard="http://www.w3.org/2001/vcard-rdf/3.0#" xmlns="http://example.org/book/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:ns="http://example.org/ns#">\n', ses);
i := 0; l := length (dta);
while (i < l)
{
declare _name, _row, _line varchar;
declare _type, _type_name, nill int;
_row := dta[i];
for (idx := 2; idx < length (_row); idx := idx + 2)
{
_type := _row[idx];
_name := _row[idx + 1];
_type := cast (_type as varchar);
_name := cast (_name as varchar);
-- http (sprintf ('<rdf:Description rdf:about="row">\n'), ses);
http (sprintf ('<rdf:Description>\n'), ses);
http (sprintf ('<%s>%s</%s>\n', _type, _name, _type), ses);
http ('</rdf:Description>\n', ses);
}
i := i + 1;
}
http ('</rdf:RDF>', ses);
xsd := string_output_string (ses);
mdta := xsd;
return;
}
;
create procedure
rdf_net_make_element (in mdta any, in dta any)
{
declare res any;
declare i, l, i1, i2 int;
i := 0; l := length (mdta); i1 := 2; i2 := 3;
res := make_array (2 + (l*2), 'any');
while (i < l)
{
aset (res, i1, mdta[i][0]);
if (mdta[i][1] = 131 and not isblob(dta[i]))
aset (res, i2, cast (dta[i] as varbinary));
else
aset (res, i2, dta[i]);
i := i + 1;
i1 := i1 + 2;
i2 := i1 + 1;
}
return res;
}
;
create procedure rdf_net_make_struct (inout mdta any, inout dta any)
{
declare res any;
declare i, l int;
mdta := mdta[0];
i := 0; l := length (dta);
res := make_array (l, 'any');
while (i < l)
{
aset (res, i, rdf_net_make_element (mdta, dta[i]));
i := i + 1;
}
dta := res;
rdf_net_make_xml (dta, mdta);
}
;
grant execute on DB.DBA.HTTP_RDF_NET to public
;
-- CLIENT
--use DB;
|
