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hedera/db/db-result.c

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2013-10-11 23:07:35 +00:00
/*
* Copyright (C) 2012 - Juan Ferrer Toribio
*
* 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 3 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "db-result.h"
/**
* SECTION: db-result
* @Short_description:
* @Title: DbResult
* @See_also: #DbResultSet
**/
G_DEFINE_BOXED_TYPE (DbResult, db_result, db_result_copy, db_result_free);
DbResult * db_result_new ()
{
DbResult * obj = g_new (DbResult, 1);
return obj;
}
DbRow * db_result_get_row (const DbResult * obj, gint row_index)
{
g_return_val_if_fail (obj, NULL);
g_return_val_if_fail (row_index >= 0 && row_index < obj->nrows, NULL);
return g_ptr_array_index (obj->data, row_index);
}
void db_result_remove_row (DbResult * obj, gint row_index)
{
g_return_if_fail (obj);
g_return_if_fail (row_index >= 0 && row_index < obj->nrows);
}
/**
* db_result_copy:
* @obj: a #DbResult
*
* Makes a copy of a #DbResult.
*
* Return value: a newly allocated #DbResult, with the same contents
**/
DbResult * db_result_copy (const DbResult * obj)
{
gint n;
DbResult * result;
g_return_val_if_fail (obj, NULL);
result = g_new (DbResult, 1);
result->nrows = obj->nrows;
result->ncols = obj->ncols;
result->column = g_new (DbColumn, obj->ncols);
result->data = g_ptr_array_new_full (obj->nrows + 15,
(GDestroyNotify) db_row_free);
for (n = 0; n < obj->ncols; n++)
{
result->column[n].info = obj->column[n].info;
result->column[n].spec = gvn_param_spec_copy (obj->column[n].spec);
result->column[n].table = g_strdup (obj->column[n].table);
result->column[n].name = g_strdup (obj->column[n].name);
result->column[n].display = g_strdup (obj->column[n].display);
}
for (n = 0; n < obj->nrows; n++)
g_ptr_array_add (result->data,
db_row_copy (g_ptr_array_index (obj->data, n)));
return result;
}
/**
* db_result_free:
* @obj: a #DbResult
*
* Frees a #DbResult.
**/
void db_result_free (DbResult * obj)
{
g_return_if_fail (obj);
if (obj->data)
g_ptr_array_unref (obj->data);
if (obj->column)
{
int i;
for (i = 0; i < obj->ncols; i++)
{
DbColumn col = obj->column[i];
gvn_param_spec_free (col.spec);
g_free (col.name);
g_free (col.display);
g_free (col.table);
}
g_free (obj->column);
}
g_free (obj);
}