From 36c4ded89a72e609944c6fff261be77bb0697d45 Mon Sep 17 00:00:00 2001
From: arcan1s <esalexeev@gmail.com>
Date: Mon, 25 Aug 2014 20:28:13 +0400
Subject: [PATCH] init

---
 LICENSE => COPYING    |   0
 README.md             |   7 +++
 language/language.cpp | 115 ++++++++++++++++++++++++++++++++++++++++++
 language/language.h   |  43 ++++++++++++++++
 pdebug/pdebug.h       |  45 +++++++++++++++++
 5 files changed, 210 insertions(+)
 rename LICENSE => COPYING (100%)
 create mode 100644 language/language.cpp
 create mode 100644 language/language.h
 create mode 100644 pdebug/pdebug.h

diff --git a/LICENSE b/COPYING
similarity index 100%
rename from LICENSE
rename to COPYING
diff --git a/README.md b/README.md
index f82f4a1..dfa3003 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,10 @@ qtadds
 ======
 
 Some additional Qt/C++ headers
+
+
+Description
+-----------
+
+* `language` - class which can be used to define application language using command line options, configuration file or system locale
+* `pdebug` - inline which returns `[CLASS::Method]`
diff --git a/language/language.cpp b/language/language.cpp
new file mode 100644
index 0000000..c3699f3
--- /dev/null
+++ b/language/language.cpp
@@ -0,0 +1,115 @@
+/***************************************************************************
+ *  Copyright (C) 2014  Evgeniy Alekseev                                      *
+ *                                                                         *
+ *  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 3.0 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.                                       *
+ ***************************************************************************/
+
+
+#include "language.h"
+
+#include <QFile>
+#include <QLocale>
+
+
+Language::Language()
+{
+}
+
+
+QString Language::checkLanguage(const QString language, const QString defaultLanguage)
+{
+    QStringList availableLanguages = getAvailableLanguages();
+    for (int i=0; i<availableLanguages.count(); i++)
+        if (language == availableLanguages[i])
+            return availableLanguages[i];
+    for (int i=0; i<availableLanguages.count(); i++)
+        if (language.contains(availableLanguages[i] + QChar('_')))
+            return availableLanguages[i];
+
+    return defaultLanguage;
+}
+
+
+QString Language::defineLanguage(const QString configPath, const QString options)
+{
+    QMap<QString, QString> optionsDict = parseOptions(options);
+    if (optionsDict.contains(QString("LANGUAGE")))
+        if (getAvailableLanguages().contains(optionsDict[QString("LANGUAGE")]))
+            return optionsDict[QString("LANGUAGE")];
+
+    QString language;
+    language = defineLanguageFromFile(configPath);
+    if (language.isEmpty())
+        language = defineLanguageFromLocale();
+    language = checkLanguage(language, QString("en"));
+
+    return language;
+}
+
+
+QString Language::defineLanguageFromFile(const QString configPath)
+{
+    QMap<QString, QString> settings;
+    if (configPath.isEmpty())
+        return QString("");
+    QFile configFile(configPath);
+    QString fileStr;
+    if (!configFile.open(QIODevice::ReadOnly))
+        return QString("");
+    while (true) {
+        fileStr = QString(configFile.readLine()).trimmed();
+        if ((fileStr.isEmpty()) && (!configFile.atEnd())) continue;
+        if ((fileStr[0] == QChar('#')) && (!configFile.atEnd())) continue;
+        if ((fileStr[0] == QChar(';')) && (!configFile.atEnd())) continue;
+        if (fileStr.contains(QChar('=')))
+            settings[fileStr.split(QChar('='))[0]] = fileStr.split(QChar('='))[1];
+        if (configFile.atEnd()) break;
+    }
+    configFile.close();
+
+    if (settings.contains(QString("LANGUAGE")))
+        return settings[QString("LANGUAGE")];
+    else
+        return QString("");
+}
+
+
+QString Language::defineLanguageFromLocale()
+{
+    return QLocale::system().name();
+}
+
+
+QStringList Language::getAvailableLanguages()
+{
+    QStringList languages;
+    languages.append(QString("en"));
+    // put your languages here
+
+    return languages;
+}
+
+
+QMap<QString, QString> Language::parseOptions(const QString options)
+{
+    QMap<QString, QString> optionsDict;
+    for (int i=0; i<options.split(QChar(',')).count(); i++) {
+        if (options.split(QChar(','))[i].split(QChar('=')).count() < 2)
+            continue;
+        optionsDict[options.split(QChar(','))[i].split(QChar('='))[0]] =
+                options.split(QChar(','))[i].split(QChar('='))[1];
+    }
+
+    return optionsDict;
+}
diff --git a/language/language.h b/language/language.h
new file mode 100644
index 0000000..a9876d5
--- /dev/null
+++ b/language/language.h
@@ -0,0 +1,43 @@
+/***************************************************************************
+ *  Copyright (C) 2014  Evgeniy Alekseev                                      *
+ *                                                                         *
+ *  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 3.0 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.                                       *
+ ***************************************************************************/
+
+#ifndef LANGUAGE_H
+#define LANGUAGE_H
+
+#include <QStringList>
+
+
+class Language : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit Language();
+    static QString checkLanguage(const QString language,
+                                 const QString defaultLanguage = QString("en"));
+    static QString defineLanguage(const QString configPath,
+                                  const QString options = QString("OPTIONS"));
+    static QString defineLanguageFromFile(const QString configPath);
+    static QString defineLanguageFromLocale();
+    static QStringList getAvailableLanguages();
+
+private:
+    static QMap<QString, QString> parseOptions(const QString options);
+};
+
+
+#endif /* LANGUAGE_H */
diff --git a/pdebug/pdebug.h b/pdebug/pdebug.h
new file mode 100644
index 0000000..5808102
--- /dev/null
+++ b/pdebug/pdebug.h
@@ -0,0 +1,45 @@
+/***************************************************************************
+ *  Copyright (C) 2014  Evgeniy Alekseev                                      *
+ *                                                                         *
+ *  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 3.0 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.                                       *
+ ***************************************************************************/
+
+
+#ifndef PRETTY_DEBUG_H
+#define PRETTY_DEBUG_H
+
+
+inline const char *pDebug(const std::string prettyFunction)
+{
+    return prettyFunction.c_str();
+}
+
+
+inline std::string pFuncInfo(const std::string prettyFunction)
+{
+    size_t colons = prettyFunction.find("::");
+    // workaround for functions which are not belong to any class
+    if (colons == std::string::npos)
+        colons = prettyFunction.rfind("(");
+    size_t begin = prettyFunction.substr(0, colons).rfind(" ") + 1;
+    size_t end = prettyFunction.rfind("(") - begin;
+
+    return "[" + prettyFunction.substr(begin, end) + "]";
+}
+
+
+#define PDEBUG pDebug(pFuncInfo(__PRETTY_FUNCTION__))
+
+
+#endif /* PRETTY_DEBUG_H */