added class for locale independent parsing of float

parsing of float with . or , independent of the current locale

1 files changed, 86 insertions, 0 deletions

diff --git a/src/utils/locale_independent_float.cpp b/src/utils/locale_independent_float.cpp
new file mode 100644
index 00000000..1f747776
--- /dev/null
+++ b/src/utils/locale_independent_float.cpp
@@ -0,0 +1,86 @@
+/*
+ * UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 2
+ * 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; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "locale_independent_float.hpp"
+#include <iostream>
+#include <sstream>
+
+namespace usdx
+{
+	LocaleIndependentFloat::LocaleIndependentFloat()
+	{
+	}
+
+	LocaleIndependentFloat::~LocaleIndependentFloat()
+	{
+	}
+
+	const float LocaleIndependentFloat::get_value()
+	{
+		return this->value;
+	}
+
+	void LocaleIndependentFloat::set_value(const float value)
+	{
+		this->value = value;
+	}
+
+	LocaleIndependentFloat& LocaleIndependentFloat::operator= (const LocaleIndependentFloat& value)
+	{
+		this->value = value.value;
+		return *this;
+	}
+
+	LocaleIndependentFloat& LocaleIndependentFloat::operator= (const float& vaule)
+	{
+		this->value = value;
+		return *this;
+	}
+
+	std::istream& operator>> (std::istream& is, LocaleIndependentFloat& float_value)
+	{
+		return is >> &float_value;
+	}
+
+	std::istream& operator>> (std::istream& is, LocaleIndependentFloat* float_value)
+	{
+		std::string str_value;
+		is >> str_value;
+
+		std::size_t found = str_value.find(',');
+		if (found != std::string::npos) {
+			str_value[found] = '.';
+		}
+
+		std::istringstream str(str_value);
+		float value;
+		str >> value;
+
+		float_value->set_value(value);
+
+		return is;
+	}
+};