From 77219cf7d430c86e017ca98993fcada9822c7bde Mon Sep 17 00:00:00 2001
From: LoRd_MuldeR <mulder2@gmx.de>
Date: Fri, 19 Dec 2014 23:50:58 +0100
Subject: [PATCH] Moved available_codepages() function into MUtilities library.

---
 include/MUtils/Global.h |  2 ++
 src/Global.cpp          | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/include/MUtils/Global.h b/include/MUtils/Global.h
index 07750a7..286efa4 100644
--- a/include/MUtils/Global.h
+++ b/include/MUtils/Global.h
@@ -95,6 +95,8 @@ namespace MUtils
 	MUTILS_API QString clean_file_name(const QString &name);
 	MUTILS_API QString clean_file_path(const QString &path);
 
+	MUTILS_API QStringList available_codepages(const bool &noAliases = true);
+
 	//Internal
 	namespace Internal
 	{
diff --git a/src/Global.cpp b/src/Global.cpp
index 984b56d..96d60e2 100644
--- a/src/Global.cpp
+++ b/src/Global.cpp
@@ -35,6 +35,7 @@
 #include <QDir>
 #include <QReadWriteLock>
 #include <QProcess>
+#include <QTextCodec>
 
 //CRT
 #include <cstdlib>
@@ -378,6 +379,38 @@ QString MUtils::clean_file_path(const QString &path)
 	return parts.join("/");
 }
 
+///////////////////////////////////////////////////////////////////////////////
+// AVAILABLE CODEPAGES
+///////////////////////////////////////////////////////////////////////////////
+
+QStringList MUtils::available_codepages(const bool &noAliases)
+{
+	QStringList codecList;
+	QList<QByteArray> availableCodecs = QTextCodec::availableCodecs();
+
+	while(!availableCodecs.isEmpty())
+	{
+		const QByteArray current = availableCodecs.takeFirst();
+		if(!current.toLower().startsWith("system"))
+		{
+			codecList << QString::fromLatin1(current.constData(), current.size());
+			if(noAliases)
+			{
+				if(QTextCodec *const currentCodec = QTextCodec::codecForName(current.constData()))
+				{
+					const QList<QByteArray> aliases = currentCodec->aliases();
+					for(QList<QByteArray>::ConstIterator iter = aliases.constBegin(); iter != aliases.constEnd(); iter++)
+					{
+						availableCodecs.removeAll(*iter);
+					}
+				}
+			}
+		}
+	}
+
+	return codecList;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // SELF-TEST
 ///////////////////////////////////////////////////////////////////////////////