From bc564dca05a794d9e480796a0a790580eb8fab80 Mon Sep 17 00:00:00 2001
From: Andrea Zagli <azagli@libero.it>
Date: Sun, 19 Dec 2010 11:51:51 +0100
Subject: [PATCH] Aggiunta la funzione solipa_format_money (da finire).

---
 .gitignore                 |  1 +
 src/utils.c                | 59 ++++++++++++++++++++++++++++++++++++++
 src/utils.h                |  2 ++
 tests/Makefile.am          |  3 +-
 tests/utils_format_money.c | 30 +++++++++++++++++++
 5 files changed, 94 insertions(+), 1 deletion(-)
 create mode 100644 tests/utils_format_money.c

diff --git a/.gitignore b/.gitignore
index d48b7cf..224f903 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,4 +49,5 @@ Rules-quot
 *.exe
 tests/mail
 tests/utils
+tests/utils_format_money
 *.csv
diff --git a/src/utils.c b/src/utils.c
index 3b46acc..3031c20 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -394,3 +394,62 @@ solipa_gtktreemodel_to_csv_gui (Solipa *solipa, GtkTreeModel *model,
 		}
 }
 
+gchar
+*solipa_format_money (gdouble number, gboolean with_currency_symbol)
+{
+	gchar *ret;
+
+	GRegex *regex;
+	GError *error;
+
+	gchar *str;
+	gssize str_len;
+
+	/* TODO
+	 * - get number of decimal from locale
+	 * - get grouping char from locale
+	 * - get currency symbol from locale
+	 */
+
+	ret = g_strdup ("");
+
+	error = NULL;
+	regex = g_regex_new ("(-?\\d+)(\\d\\d\\d)", 0, 0, &error);
+	if (error != NULL)
+		{
+			g_warning ("Error on creating regex: %s.",
+			           error->message != NULL ? error->message : "no details");
+			return "";
+		}
+
+	ret = g_strdup_printf ("%0.2f", number);
+
+	while (TRUE)
+		{
+			error = NULL;
+			str_len = g_utf8_strlen (ret, -1);
+			str = g_regex_replace ((const GRegex *)regex,
+			                       ret, str_len, 0,
+			                       "\\1.\\2", 0,
+			                       &error);
+			if (error != NULL)
+				{
+					g_warning ("Error on regex replacing: %s.",
+					           error->message != NULL ? error->message : "no details");
+					g_regex_unref (regex);
+					return "";
+				}
+			if (g_strcmp0 (ret, str) != 0)
+				{
+					ret = g_strdup (str);
+				}
+			else
+				{
+					break;
+				}
+		}
+
+	g_regex_unref (regex);
+
+	return ret;
+}
diff --git a/src/utils.h b/src/utils.h
index 7c53b06..c0a6cf4 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -42,6 +42,8 @@ void solipa_gtktreemodel_to_csv_gui (Solipa *solipa, GtkTreeModel *model,
                                  gchar **columns_title,
                                  guint n_columns);
 
+gchar *solipa_format_money (gdouble number, gboolean with_currency_symbol);
+
 
 G_END_DECLS
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 72b8782..f63d05b 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -10,4 +10,5 @@ LIBS = $(SOLIPA_LIBS) \
 LDADD = $(top_builddir)/src/libsolipa.la
 
 noinst_PROGRAMS = mail \
-                  utils
+                  utils \
+                  utils_format_money
diff --git a/tests/utils_format_money.c b/tests/utils_format_money.c
new file mode 100644
index 0000000..6a62da8
--- /dev/null
+++ b/tests/utils_format_money.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2010 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
+ */
+
+#include <solipa.h>
+#include <utils.h>
+
+int
+main (int argc, char *argv[])
+{
+	gtk_init (&argc, &argv);
+
+	g_message ("%s", solipa_format_money (g_strtod (argv[1], NULL), FALSE));
+
+	return 0;
+}
-- 
2.49.0