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/*
* Copyright (C) 2008 - 2011 Vivien Malerba <malerba@gnome-db.org>
* Copyright (C) 2009 Bas Driessen <bas.driessen@xobas.com>
* Copyright (C) 2010 David King <davidk@openismus.com>
* Copyright (C) 2010 Murray Cumming <murrayc@murrayc.com>
*
* 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 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 St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <string.h>
#include <libgda/sql-parser/gda-statement-struct.h>
#include <libgda/sql-parser/gda-statement-struct-unknown.h>
#include <libgda/sql-parser/gda-statement-struct-parts.h>
static gpointer gda_sql_statement_unknown_new (void);
static void gda_sql_statement_unknown_free (gpointer stmt);
static gpointer gda_sql_statement_unknown_copy (gpointer src);
static gchar *gda_sql_statement_unknown_serialize (gpointer stmt);
GdaSqlStatementContentsInfo unknown_infos = {
GDA_SQL_STATEMENT_UNKNOWN,
"UNKNOWN",
gda_sql_statement_unknown_new,
gda_sql_statement_unknown_free,
gda_sql_statement_unknown_copy,
gda_sql_statement_unknown_serialize,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
};
GdaSqlStatementContentsInfo *
_gda_sql_statement_unknown_get_infos (void)
{
return &unknown_infos;
}
static gpointer
gda_sql_statement_unknown_new (void)
{
GdaSqlStatementUnknown *stmt;
stmt = g_new0 (GdaSqlStatementUnknown, 1);
GDA_SQL_ANY_PART (stmt)->type = GDA_SQL_ANY_STMT_UNKNOWN;
return (gpointer) stmt;
}
static void
gda_sql_statement_unknown_free (gpointer stmt)
{
GdaSqlStatementUnknown *unknown = (GdaSqlStatementUnknown *) stmt;
g_slist_foreach (unknown->expressions, (GFunc) gda_sql_expr_free, NULL);
g_slist_free (unknown->expressions);
g_free (unknown);
}
static gpointer
gda_sql_statement_unknown_copy (gpointer src)
{
GdaSqlStatementUnknown *dest;
GSList *list;
GdaSqlStatementUnknown *unknown = (GdaSqlStatementUnknown *) src;
dest = gda_sql_statement_unknown_new ();
for (list = unknown->expressions; list; list = list->next) {
dest->expressions = g_slist_prepend (dest->expressions,
gda_sql_expr_copy ((GdaSqlExpr*) list->data));
gda_sql_any_part_set_parent (dest->expressions->data, dest);
}
dest->expressions = g_slist_reverse (dest->expressions);
return dest;
}
static gchar *
gda_sql_statement_unknown_serialize (gpointer stmt)
{
GString *string;
gchar *str;
GSList *list;
GdaSqlStatementUnknown *unknown = (GdaSqlStatementUnknown *) stmt;
g_return_val_if_fail (stmt, NULL);
string = g_string_new ("\"contents\":[");
for (list = unknown->expressions; list; list = list->next) {
gchar *str;
str = gda_sql_expr_serialize ((GdaSqlExpr*) list->data);
if (list != unknown->expressions)
g_string_append_c (string, ',');
g_string_append (string, str);
g_free (str);
}
g_string_append_c (string, ']');
str = string->str;
g_string_free (string, FALSE);
return str;
}
/**
* gda_sql_statement_unknown_take_expressions
* @stmt: a #GdaSqlStatement pointer
* @expressions: a list of #GdaSqlExpr pointers
*
* Sets @stmt's list of expressions
*
* @expressions's
* ownership is transferred to
* @stmt (which means @stmt is then responsible for freeing it when no longer needed).
*/
void
gda_sql_statement_unknown_take_expressions (GdaSqlStatement *stmt, GSList *expressions)
{
GSList *l;
GdaSqlStatementUnknown *unknown = (GdaSqlStatementUnknown *) stmt->contents;
unknown->expressions = expressions;
for (l = expressions; l; l = l->next)
gda_sql_any_part_set_parent (l->data, unknown);
}
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