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/* rasqal.vapi
*
* Copyright (C) 2008 Nokia
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Jürg Billeter <j@bitron.ch>
*/
[CCode (cheader_filename = "rasqal.h")]
namespace Rasqal {
public void init ();
public void finish ();
[Compact]
[CCode (cname = "rasqal_graph_pattern")]
public class GraphPattern {
[CCode (has_type_id = false)]
public enum Operator {
BASIC,
OPTIONAL,
UNION,
GROUP,
GRAPH
}
public Operator get_operator ();
public unowned Triple get_triple (int idx);
public void print (GLib.FileStream fh);
}
[CCode (cprefix = "RASQAL_EXPR_", has_type_id = false)]
public enum Op {
AND,
OR,
LITERAL,
ORDER_COND_ASC,
ORDER_COND_DESC,
GROUP_COND_ASC,
GROUP_COND_DESC,
COUNT,
VARSTAR
}
[Compact]
[CCode (cname = "rasqal_expression", free_function = "rasqal_free_expression")]
public class Expression {
public Op op;
public Expression? arg1;
public Expression? arg2;
public Expression? arg3;
public Literal? literal;
}
[Compact]
[CCode (cname = "rasqal_literal", free_function = "rasqal_free_literal")]
public class Literal {
[CCode (cprefix = "RASQAL_LITERAL_", has_type_id = false)]
public enum Type {
BLANK,
URI,
STRING,
BOOLEAN,
INTEGER,
DOUBLE,
FLOAT,
DECIMAL,
DATETIME,
PATTERN,
QNAME,
VARIABLE
}
public Type type;
public unowned string? as_string ();
public unowned Variable? as_variable ();
}
[Compact]
[CCode (cname = "rasqal_query", free_function = "rasqal_free_query")]
public class Query {
[CCode (cname = "rasqal_new_query")]
public Query (string? name, string? uri);
public bool get_distinct ();
public int get_limit ();
public int get_offset ();
public unowned Expression? get_group_condition (int idx);
public unowned Expression? get_order_condition (int idx);
public unowned GraphPattern get_query_graph_pattern ();
public unowned Variable? get_variable (int idx);
public int prepare (string? query_string, Raptor.Uri? base_uri);
}
[Compact]
[CCode (cname = "rasqal_triple", free_function = "rasqal_free_triple")]
public class Triple {
public Literal subject;
public Literal predicate;
public Literal object;
public Literal origin;
public void print (GLib.FileStream fh);
}
[Compact]
[CCode (cname = "rasqal_variable", free_function = "rasqal_free_variable")]
public class Variable {
public weak string? name;
public Expression? expression;
}
}
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