1 files changed, 142 insertions, 0 deletions
diff --git a/kdecore/kcharsets.h b/kdecore/kcharsets.h
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+++ b/kdecore/kcharsets.h
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+/* This file is part of the KDE libraries
+    Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 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
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+#ifndef KCHARSETS_H
+#define KCHARSETS_H
+
+#include <qstring.h>
+#include <qfont.h>
+#include <qstringlist.h>
+#include <qptrlist.h>
+#include "kdelibs_export.h"
+
+class KGlobal;
+class KCharsetsPrivate;
+
+class QTextCodec;
+
+/**
+ * Charset font and encoder/decoder handling.
+ *
+ * This is needed, because Qt's font matching algorithm gives the font
+ * family a higher priority than the charset.  For many applications
+ * this is not acceptable, since it can totally obscure the output,
+ * in languages which use non iso-8859-1 charsets.
+ *
+ * @author Lars Knoll <knoll@kde.org>
+ */
+class KDECORE_EXPORT KCharsets
+{
+    friend class KGlobal;
+
+protected:
+    /** Protected constructor. If you need the kcharsets object, use
+ KGlobal::charsets() instead.
+    */
+    KCharsets();
+
+public:
+
+    /**
+     * Destructor.
+     */
+    virtual ~KCharsets();
+
+    /**
+     * Provided for compatibility.
+     * @param name the name of the codec
+     * @return the QTextCodec. If the desired codec could not be found,
+     *         it returns a default (Latin-1) codec
+     */
+    QTextCodec *codecForName(const QString &name) const;
+
+    /**
+     * Tries to find a QTextCodec to convert the given encoding from and to
+     * Unicode. If no codec could be found the latin1 codec will be returned an
+     * @p ok will be set to false.
+     * @return the QTextCodec. If the desired codec could not be found,
+     *         it returns a default (Latin-1) codec
+     */
+    QTextCodec *codecForName(const QString &n, bool &ok) const;
+
+    /**
+     * Converts an entity to a character. The string must contain only the
+     * entity without the trailing ';'.
+     * @param str the entity
+     * @return QChar::null if the entity could not be decoded.
+     */
+    static QChar fromEntity(const QString &str);
+    /**
+     * Overloaded member function. Tries to find an entity in the
+     * QString str.
+     * @param str the string containing entified
+     * @param len is a return value, that gives the length of the decoded
+     * entity.
+     * @return a decoded entity if one could be found, QChar::null
+     * otherwise
+     */
+    static QChar fromEntity(const QString &str, int &len);
+
+    /**
+     * Converts a QChar to an entity. The returned string does already
+     * contain the leading '&' and the trailing ';'.
+     * @param ch the char to convert
+     * @return the entity
+     */
+    static QString toEntity(const QChar &ch);
+
+    /**
+     * Scans the given string for entities (like &amp;amp;) and resolves them
+     * using fromEntity.
+     * @param text the string containing the entities
+     * @return the clean string
+     * @since 3.1
+     */
+    static QString resolveEntities( const QString &text );
+
+    /**
+     * Lists all available encodings as names.
+     * @return the list of all encodings
+     */
+    QStringList availableEncodingNames();
+
+    /**
+     * Lists the available encoding names together with a more descriptive language.
+     * @return the list of descriptive encoding names
+     */
+    QStringList descriptiveEncodingNames();
+
+    /**
+     * Returns the language the encoding is used for.
+     * @param encoding the encoding for the language
+     * @return the language of the encoding
+     */
+    QString languageForEncoding( const QString &encoding );
+
+    /**
+     * Returns the encoding for a string obtained with descriptiveEncodingNames().
+     * @param descriptiveName the descriptive name for the encoding
+     * @return the name of the encoding
+     */
+    QString encodingForName( const QString &descriptiveName );
+
+private:
+    KCharsetsPrivate *d;
+};
+
+#endif