/usr/share/Yap/semweb/turtle_base.pl is in yap 6.2.2-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | /* Part of SWI-Prolog
Author: Jan Wielemaker
E-mail: J.Wielemaker@uva.nl
WWW: http://www.swi-prolog.org
Copyright (C): 2009, University of Amsterdam
This program 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; either version 2
of the License, or (at your option) any later version.
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 library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
As a special exception, if you link this library with other files,
compiled with a Free Software compiler, to produce an executable, this
library does not by itself cause the resulting executable to be covered
by the GNU General Public License. This exception does not however
invalidate any other reasons why the executable file might be covered by
the GNU General Public License.
*/
:- module(turtle_base,
[ % Tests
turtle_name_start_char/1, % +Integer
turtle_name/1, % +Atom
% Input
turtle_read_name/4, % +C0, +Stream, -C, -Atom
turtle_read_string/4, % +C0, +Stream, -C, -Atom
turtle_read_relative_uri/4, % +C0, +Stream, -C, -Atom
% Output
turtle_write_quoted_string/2, % +Stream, +Atom
turtle_write_uri/2 % +Stream, +Atom
]).
/** <module> Basic RDF/Turtle helper predicates
This module provides a couple of time-critical primitives to speedup
reading a writing the RDF/Turtle serialization. The definitions are
based on:
http://www.w3.org/TeamSubmission/2008/SUBM-turtle-20080114/
*/
:- use_foreign_library(foreign(turtle)).
%% turtle_name_start_char(+Code) is semidet.
%
% True if Code is a valid character code to start a Turtle name.
%% turtle_name(+Atom:atom) is semidet.
%
% True if Atom is a valid Turtle name.
%
% @see xml_name/2.
%% turtle_read_name(+C0, +Stream, -C, -Atom) is semidet.
%
% Read a Turtle name starting with C0 from Stream. If successfull,
% C is unified with the first character after the name and Atom is
% an atom representing the name read.
%% turtle_read_string(+C0, +Stream, -C, -Atom) is semidet.
%
% Read a Turtle quotes string starting with C0 from Stream. If
% successfull, C is unified with the first character after the
% string and Atom is an atom representing the text of the string.
%
% @error syntax_error(Culprit)
%% turtle_read_relative_uri(+C0, +Stream, -C, -Atom) is semidet.
%
% Read a Turtle relative URI (<...>) into an atom and unify C with
% the next character.
%
% @error syntax_error(Culprit)
/*******************************
* WRITING *
*******************************/
%% turtle_write_quoted_string(+Out, +Value) is det.
%
% Write a string as =|"..."|=
%% turtle_write_uri(+Out, +Value) is det.
%
% Write a URI as =|<...>|=
|