--- /dev/null
+/*
+ * Copyright (C) 2020 Andrea Zagli <azagli@libero.it>
+ *
+ * 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
+ */
+
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
+
+#include <glib/gi18n-lib.h>
+
+#include <libzakutils/libzakutils.h>
+
+#include "commons.h"
+#include "form.h"
+#include "formvalidator.h"
+#include "formvalidatorcomparenumber.h"
+
+static void zak_form_validator_compare_number_class_init (ZakFormValidatorCompareNumberClass *class);
+static void zak_form_validator_compare_number_init (ZakFormValidatorCompareNumber *validator);
+
+static void zak_form_validator_compare_number_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void zak_form_validator_compare_number_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void zak_form_validator_compare_number_dispose (GObject *gobject);
+static void zak_form_validator_compare_number_finalize (GObject *gobject);
+
+static gboolean zak_form_validator_compare_number_xml_parsing (ZakFormValidator *validator, xmlNode *xnode, gpointer form);
+static gboolean zak_form_validator_compare_number_validate (ZakFormValidator *validator_notempty);
+
+struct _ZakFormValidatorCompareNumber
+{
+ ZakFormValidator parent_instance;
+
+ /* Other members, including private data. */
+};
+
+#define ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), ZAK_FORM_TYPE_VALIDATOR_COMPARE_NUMBER, ZakFormValidatorCompareNumberPrivate))
+
+typedef struct _ZakFormValidatorCompareNumberPrivate ZakFormValidatorCompareNumberPrivate;
+struct _ZakFormValidatorCompareNumberPrivate
+ {
+ guint type;
+
+ ZakFormElement *v1;
+ ZakFormElement *v2;
+ };
+
+G_DEFINE_TYPE (ZakFormValidatorCompareNumber, zak_form_validator_compare_number, ZAK_FORM_TYPE_VALIDATOR)
+
+static void
+zak_form_validator_compare_number_class_init (ZakFormValidatorCompareNumberClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+ ZakFormValidatorClass *parent_class = ZAK_FORM_VALIDATOR_CLASS (class);
+
+ object_class->set_property = zak_form_validator_compare_number_set_property;
+ object_class->get_property = zak_form_validator_compare_number_get_property;
+ object_class->dispose = zak_form_validator_compare_number_dispose;
+ object_class->finalize = zak_form_validator_compare_number_finalize;
+
+ parent_class->xml_parsing = zak_form_validator_compare_number_xml_parsing;
+ parent_class->validate = zak_form_validator_compare_number_validate;
+
+ g_type_class_add_private (object_class, sizeof (ZakFormValidatorCompareNumberPrivate));
+}
+
+static void
+zak_form_validator_compare_number_init (ZakFormValidatorCompareNumber *validator)
+{
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ priv->v1 = NULL;
+ priv->v2 = NULL;
+}
+
+/**
+ * zak_form_validator_compare_number_new:
+ *
+ * Returns: the newly created #ZakFormValidatorCompareNumber object.
+ */
+ZakFormValidatorCompareNumber
+*zak_form_validator_compare_number_new ()
+{
+ ZakFormValidatorCompareNumber *zak_form_validator_compare_number;
+
+ zak_form_validator_compare_number = ZAK_FORM_VALIDATOR_COMPARE_NUMBER (g_object_new (zak_form_validator_compare_number_get_type (), NULL));
+
+ return zak_form_validator_compare_number;
+}
+
+/**
+ * zak_form_validator_compare_number_xml_parsing:
+ * @validator:
+ * @xnode:
+ * @form:
+ *
+ */
+static gboolean
+zak_form_validator_compare_number_xml_parsing (ZakFormValidator *validator, xmlNode *xnode, gpointer form)
+{
+ gchar *prop;
+
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ prop = (gchar *)xmlGetProp (xnode, (const xmlChar *)"type_comp");
+ zak_form_validator_compare_number_set_compare_type ((ZakFormValidatorCompareNumber *)validator, prop);
+ g_free (prop);
+
+ prop = (gchar *)xmlGetProp (xnode, (const xmlChar *)"element1");
+ zak_form_validator_compare_number_set_element1 ((ZakFormValidatorCompareNumber *)validator, (ZakFormForm *)form, prop);
+ g_free (prop);
+
+ prop = (gchar *)xmlGetProp (xnode, (const xmlChar *)"element2");
+ zak_form_validator_compare_number_set_element2 ((ZakFormValidatorCompareNumber *)validator, (ZakFormForm *)form, prop);
+ g_free (prop);
+
+ return TRUE;
+}
+
+/**
+ * zak_form_validator_compare_number_set_compare_type:
+ * @validator:
+ * @type:
+ *
+ * Sets the validator compare type.
+ */
+void
+zak_form_validator_compare_number_set_compare_type (ZakFormValidatorCompareNumber *validator, const gchar *type)
+{
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ priv->type = zak_form_get_compare_type_from_string (type);
+}
+
+/**
+ * zak_form_validator_compare_number_get_compare_type:
+ * @validator:
+ *
+ * Returns: the validator compare type.
+ */
+const gchar
+*zak_form_validator_compare_number_get_compare_type (ZakFormValidatorCompareNumber *validator)
+{
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ zak_form_get_compare_type_stringify (priv->type);
+}
+
+/**
+ * zak_form_validator_compare_number_set_element1:
+ * @validator:
+ * @element1:
+ *
+ * Sets the validator element1.
+ */
+void
+zak_form_validator_compare_number_set_element1 (ZakFormValidatorCompareNumber *validator, ZakFormForm *form, const gchar *element1)
+{
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ priv->v1 = zak_form_form_get_element_by_id (form, element1);
+ if (!ZAK_FORM_IS_ELEMENT (priv->v1))
+ {
+ g_warning ("Validator compare: element «%s» isn't a ZakFormElement.", element1);
+ }
+}
+
+/**
+ * zak_form_validator_compare_number_get_element1:
+ * @validator:
+ *
+ * Returns: the validator element1 name.
+ */
+const gchar
+*zak_form_validator_compare_number_get_element1 (ZakFormValidatorCompareNumber *validator)
+{
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ if (ZAK_FORM_IS_ELEMENT (priv->v2))
+ {
+ return zak_form_element_get_name (priv->v2);
+ }
+ else
+ {
+ return "";
+ }
+}
+
+/**
+ * zak_form_validator_compare_number_set_element2:
+ * @validator:
+ * @element2:
+ *
+ * Sets the validator element2.
+ */
+void
+zak_form_validator_compare_number_set_element2 (ZakFormValidatorCompareNumber *validator, ZakFormForm *form, const gchar *element2)
+{
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ priv->v2 = zak_form_form_get_element_by_id (form, element2);
+ if (!ZAK_FORM_IS_ELEMENT (priv->v2))
+ {
+ g_warning ("Validator compare: element «%s» isn't a ZakFormElement.", element2);
+ }
+}
+
+/**
+ * zak_form_validator_compare_number_get_element2:
+ * @validator:
+ *
+ * Returns: the validator element2 name.
+ */
+const gchar
+*zak_form_validator_compare_number_get_element2 (ZakFormValidatorCompareNumber *validator)
+{
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ if (ZAK_FORM_IS_ELEMENT (priv->v2))
+ {
+ return zak_form_element_get_name (priv->v2);
+ }
+ else
+ {
+ return "";
+ }
+}
+
+/* PRIVATE */
+static void
+zak_form_validator_compare_number_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ ZakFormValidatorCompareNumber *validator = (ZakFormValidatorCompareNumber *)object;
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ switch (property_id)
+ {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+zak_form_validator_compare_number_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ ZakFormValidatorCompareNumber *validator = (ZakFormValidatorCompareNumber *)object;
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ switch (property_id)
+ {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+zak_form_validator_compare_number_dispose (GObject *gobject)
+{
+ ZakFormValidatorCompareNumber *validator = (ZakFormValidatorCompareNumber *)gobject;
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+
+
+ GObjectClass *parent_class = g_type_class_peek_parent (G_OBJECT_GET_CLASS (gobject));
+ parent_class->dispose (gobject);
+}
+
+static void
+zak_form_validator_compare_number_finalize (GObject *gobject)
+{
+ ZakFormValidatorCompareNumber *validator = (ZakFormValidatorCompareNumber *)gobject;
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+
+
+ GObjectClass *parent_class = g_type_class_peek_parent (G_OBJECT_GET_CLASS (gobject));
+ parent_class->finalize (gobject);
+}
+
+static gboolean
+zak_form_validator_compare_number_validate (ZakFormValidator *validator)
+{
+ gboolean ret;
+
+ gdouble value1;
+ gdouble value2;
+
+ gint comp;
+ gchar *msg;
+
+ ZakFormValidatorCompareNumberPrivate *priv = ZAK_FORM_VALIDATOR_COMPARE_NUMBER_GET_PRIVATE (validator);
+
+ ret = FALSE;
+
+ if (!ZAK_FORM_IS_ELEMENT (priv->v1)
+ || !ZAK_FORM_IS_ELEMENT (priv->v2))
+ {
+ ret = TRUE;
+ }
+ else
+ {
+ value1 = g_strtod (zak_form_element_get_value (priv->v1), NULL);
+ value2 = g_strtod (zak_form_element_get_value (priv->v2), NULL);
+
+ if (value1 < value2)
+ {
+ ret = (priv->type == ZAK_FORM_COMPARE_TYPE_LESSER
+ || priv->type == ZAK_FORM_COMPARE_TYPE_LESSER_EQUAL
+ || priv->type == ZAK_FORM_COMPARE_TYPE_NOT_EQUAL);
+ }
+ else if (value1 == value2)
+ {
+ ret = (priv->type == ZAK_FORM_COMPARE_TYPE_LESSER_EQUAL
+ || priv->type == ZAK_FORM_COMPARE_TYPE_EQUAL
+ || priv->type == ZAK_FORM_COMPARE_TYPE_GREATER_EQUAL);
+ }
+ else if (value1 > value2)
+ {
+ ret = (priv->type == ZAK_FORM_COMPARE_TYPE_GREATER
+ || priv->type == ZAK_FORM_COMPARE_TYPE_GREATER_EQUAL
+ || priv->type == ZAK_FORM_COMPARE_TYPE_NOT_EQUAL);
+ }
+
+ if (!ret)
+ {
+ msg = g_strdup_printf (_("«%s» must be %s «%s»"),
+ zak_form_element_get_long_name (priv->v1),
+ zak_form_get_compare_type_stringify (priv->type),
+ zak_form_element_get_long_name (priv->v2));
+ zak_form_validator_set_message (validator, msg);
+ g_free (msg);
+ }
+ }
+
+ return ret;
+}
--- /dev/null
+/*
+ * Copyright (C) 2020 Andrea Zagli <azagli@libero.it>
+ *
+ * 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
+ */
+
+#ifndef __ZAK_FORM_VALIDATOR_COMPARE_NUMBER_H__
+#define __ZAK_FORM_VALIDATOR_COMPARE_NUMBER_H__
+
+
+#include <glib-object.h>
+
+#include <libxml/tree.h>
+
+#include "form.h"
+#include "formvalidator.h"
+
+
+G_BEGIN_DECLS
+
+
+#define ZAK_FORM_TYPE_VALIDATOR_COMPARE_NUMBER zak_form_validator_compare_number_get_type ()
+G_DECLARE_FINAL_TYPE (ZakFormValidatorCompareNumber, zak_form_validator_compare_number, ZAK_FORM, VALIDATOR_COMPARE_NUMBER, ZakFormValidator)
+
+ZakFormValidatorCompareNumber *zak_form_validator_compare_number_new (void);
+
+void zak_form_validator_compare_number_set_compare_type (ZakFormValidatorCompareNumber *validator, const gchar *type);
+const gchar *zak_form_validator_compare_number_get_compare_type (ZakFormValidatorCompareNumber *validator);
+
+void zak_form_validator_compare_number_set_element1 (ZakFormValidatorCompareNumber *validator, ZakFormForm *form, const gchar *element1);
+const gchar *zak_form_validator_compare_number_get_element1 (ZakFormValidatorCompareNumber *validator);
+
+void zak_form_validator_compare_number_set_element2 (ZakFormValidatorCompareNumber *validator, ZakFormForm *form, const gchar *element2);
+const gchar *zak_form_validator_compare_number_get_element2 (ZakFormValidatorCompareNumber *validator);
+
+
+G_END_DECLS
+
+
+#endif /* __ZAK_FORM_VALIDATOR_COMPARE_NUMBER_H__ */
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