From 22b87080b5e29df13caf3f610bc7bc2f292e5643 Mon Sep 17 00:00:00 2001
From: Andrea Zagli <azagli@libero.it>
Date: Sun, 27 Sep 2020 10:12:18 +0200
Subject: [PATCH] Added functions DataModelIter::get_value_at and
 DataModelIter::get_field_value_at.

---
 src/gdaex.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/gdaex.h |  4 ++++
 2 files changed, 58 insertions(+)

diff --git a/src/gdaex.c b/src/gdaex.c
index f7b2523..f042c2c 100644
--- a/src/gdaex.c
+++ b/src/gdaex.c
@@ -1678,6 +1678,32 @@ struct tm
 	return ret;
 }
 
+GValue
+*gdaex_data_model_iter_get_field_value_at (GdaDataModelIter *iter,
+                                           const gchar *field_name)
+{
+	GdaDataModel *data_model;
+	gint col;
+
+	GValue *ret;
+
+	g_object_get (G_OBJECT (iter), "data-model", &data_model, NULL);
+
+	col = gda_data_model_get_column_index (data_model, field_name);
+
+	if (col >= 0)
+		{
+			ret = gdaex_data_model_iter_get_value_at (iter, col);
+		}
+	else
+		{
+			g_warning (_("No column found with name «%s»."), field_name);
+			ret = gda_value_new_null ();
+		}
+
+	return ret;
+}
+
 /**
  * gdaex_data_model_iter_get_field_value_stringify_at:
  * @iter: a #GdaDataModelIter object.
@@ -1983,6 +2009,34 @@ struct tm
 	return value;
 }
 
+GValue
+*gdaex_data_model_iter_get_value_at (GdaDataModelIter *iter, gint col)
+{
+	const GValue *v;
+	GValue *ret;
+
+	v = gda_data_model_iter_get_value_at (iter, col);
+	if (v == NULL)
+		{
+			GdaDataModel *data_model;
+
+			g_object_get (G_OBJECT (iter), "data-model", &data_model, NULL);
+
+			g_warning (_("Error on retrieving field's value: «%s»."),
+			           gda_data_model_get_column_name (data_model, col));
+
+			ret = gda_value_new_null ();
+		}
+	else
+		{
+			ret = g_new0 (GValue, 1);
+			ret = g_value_init (ret, G_VALUE_TYPE (v));
+			g_value_copy (v, ret);
+		}
+
+	return ret;
+}
+
 /**
  * gdaex_data_model_iter_get_value_stringify_at:
  * @iter: a #GdaDataModelIter object.
diff --git a/src/gdaex.h b/src/gdaex.h
index 2030c1e..828a114 100644
--- a/src/gdaex.h
+++ b/src/gdaex.h
@@ -164,6 +164,8 @@ struct tm *gdaex_data_model_get_value_tm_at (GdaDataModel *data_model,
                                              gint row,
                                              gint col);
 
+GValue *gdaex_data_model_iter_get_field_value_at (GdaDataModelIter *iter,
+                                                  const gchar *field_name);
 gchar *gdaex_data_model_iter_get_field_value_stringify_at (GdaDataModelIter *iter,
                                                            const gchar *field_name);
 gchar *gdaex_data_model_iter_get_field_value_stringify_escaped_at (GdaDataModelIter *iter,
@@ -185,6 +187,8 @@ GDateTime *gdaex_data_model_iter_get_field_value_gdatetime_at (GdaDataModelIter
 struct tm *gdaex_data_model_iter_get_field_value_tm_at (GdaDataModelIter *iter,
                                                         const gchar *field_name);
 
+GValue *gdaex_data_model_iter_get_value_at (GdaDataModelIter *iter,
+                                            gint col);
 gchar *gdaex_data_model_iter_get_value_stringify_at (GdaDataModelIter *iter,
                                                      gint col);
 gchar *gdaex_data_model_iter_get_value_stringify_escaped_at (GdaDataModelIter *iter,
-- 
2.49.0