Add missing file

lib/kross/ruby/rubyvariant.h

@@ -0,0 +1,559 @@
+/***************************************************************************
+ * rubyvariant.h
+ * This file is part of the KDE project
+ * copyright (C)2005 by Cyrille Berger (cberger@cberger.net)
+ * copyright (C)2006 by Sebastian Sauer (mail@dipe.org)
+ *
+ * This program 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 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
+ * Library General Public License for more details.
+ * You should have received a copy of the GNU Library 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.
+ ***************************************************************************/
+
+#ifndef KROSS_RUBYVARIANT_H
+#define KROSS_RUBYVARIANT_H
+
+#define HAVE_STRLCAT_PROTO 1
+#define HAVE_STRLCPY_PROTO 1
+#include "config.h"
+
+#include <ruby.h>
+
+#ifndef HAVE_RUBY_1_9
+#include <st.h>
+#else // HAVE_RUBY_1_9
+#include <ruby/st.h>
+#endif // HAVE_RUBY_1_9
+//#include <typeinfo>
+
+#include "rubyconfig.h"
+
+#include <tqstring.h>
+#include <tqstringlist.h>
+#include <tqvariant.h>
+#include <tqsize.h>
+#include <tqpoint.h>
+#include <tqrect.h>
+#include <tqurl.h>
+#include <tqdatetime.h>
+
+namespace Kross {
+
+    /**
+     * The RubyType helper classes used to cast between TQVariant
+     * and VALUE values.
+     *
+     * Following TQVariant::Type's are implemented;
+     *   \li TQVariant::Invalid
+     *   \li TQVariant::Int
+     *   \li TQVariant::UInt
+     *   \li TQVariant::Double
+     *   \li TQVariant::Bool
+     *   \li TQVariant::LongLong
+     *   \li TQVariant::ULongLong
+     *   \li TQVariant::ByteArray
+     *   \li TQVariant::String
+     *   \li TQVariant::StringList
+     *   \li TQVariant::Size
+     *   \li TQVariant::SizeF
+     *   \li TQVariant::Point
+     *   \li TQVariant::PointF
+     *   \li TQVariant::Rect
+     *   \li TQVariant::RectF
+     *   \li TQVariant::Url
+     *   \li TQVariant::List
+     *   \li TQVariant::Map
+     *
+     * Following TQVariant::Type's are unimplemented yet (do we need them anyways?);
+     *   \li TQVariant::BitArray
+     *   \li TQVariant::Date
+     *   \li TQVariant::Time
+     *   \li TQVariant::DateTime
+     *   \li TQVariant::Bitmap
+     *   \li TQVariant::Brush
+     *   \li TQVariant::Char
+     *   \li TQVariant::Color
+     *   \li TQVariant::Cursor
+     *   \li TQVariant::Font
+     *   \li TQVariant::Icon
+     *   \li TQVariant::Image
+     *   \li TQVariant::KeySequence
+     *   \li TQVariant::Line
+     *   \li TQVariant::LineF
+     *   \li TQVariant::Locale
+     *   \li TQVariant::Palette
+     *   \li TQVariant::Pen
+     *   \li TQVariant::Pixmap
+     *   \li TQVariant::PointArray
+     *   \li TQVariant::Polygon
+     *   \li TQVariant::RegExp
+     *   \li TQVariant::Region
+     *   \li TQVariant::SizePolicy
+     *   \li TQVariant::TextFormat
+     *   \li TQVariant::TextLength
+     */
+    template<typename VARIANTTYPE, typename RBTYPE = VALUE>
+    struct RubyType
+    {
+        // template-specialisations need to implement following both static
+        // functions to translate between TQVariant and Ruby's VALUE values.
+
+        //inline static RBTYPE toVALUE(const VARIANTTYPE&) { return Py::None(); }
+        //inline static TQVARIANTTYPE toVariant(const VARIANTTYPE&) { return TQVariant(); }
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<TQVariant>
+    {
+        static VALUE toVALUE(const TQVariant& v);
+        static TQVariant toVariant(VALUE value);
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<int>
+    {
+        inline static VALUE toVALUE(int i) {
+            return INT2FIX(i);
+        }
+        inline static int toVariant(VALUE value) {
+            switch( TYPE(value) ) {
+                case T_FIXNUM:
+                    return FIX2INT(value);
+                case T_BIGNUM:
+                    return rb_big2int(value);
+                case T_FLOAT:
+#ifdef HAVE_RUBY_1_9
+                    return (int)(RFLOAT_VALUE(value));
+#else
+                    return (int)(RFLOAT(value)->value);
+#endif
+                default:
+                    break;
+            }
+            rb_raise(rb_eTypeError, "Integer must be a fixed number");
+            return 0;
+        }
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<uint>
+    {
+        inline static VALUE toVALUE(uint i) {
+            return UINT2NUM(i);
+        }
+        inline static uint toVariant(VALUE value) {
+            switch( TYPE(value) ) {
+                case T_FIXNUM:
+                    return FIX2UINT(value);
+                case T_BIGNUM:
+                    return rb_big2uint(value);
+                case T_FLOAT:
+#ifdef HAVE_RUBY_1_9
+                    return (uint)(RFLOAT_VALUE(value));
+#else
+                    return (uint)(RFLOAT(value)->value);
+#endif
+                default:
+                    break;
+            }
+            rb_raise(rb_eTypeError, "Unsigned integer must be a fixed number");
+            return 0;
+        }
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<double>
+    {
+        inline static VALUE toVALUE(double d) {
+            return rb_float_new(d);
+        }
+        inline static double toVariant(VALUE value) {
+            return NUM2DBL(value);
+        }
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<bool>
+    {
+        inline static VALUE toVALUE(bool b) {
+            return b ? TRUE : FALSE;
+        }
+        inline static bool toVariant(VALUE value) {
+            switch( TYPE(value) ) {
+                case T_TRUE:
+                    return true;
+                case T_FALSE:
+                    return false;
+                default: {
+                    rb_raise(rb_eTypeError, "Boolean value expected");
+                    return false;
+                } break;
+            }
+        }
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<TQ_LLONG>
+    {
+        inline static VALUE toVALUE(TQ_LLONG l) {
+            return /*INT2NUM*/ LONG2NUM((long)l);
+        }
+        inline static TQ_LLONG toVariant(VALUE value) {
+            return NUM2LONG(value);
+        }
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<TQ_ULLONG>
+    {
+        inline static VALUE toVALUE(TQ_ULLONG l) {
+            return UINT2NUM((unsigned long)l);
+        }
+        inline static TQ_ULLONG toVariant(VALUE value) {
+            return NUM2UINT(value);
+        }
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<TQByteArray>
+    {
+        inline static VALUE toVALUE(const TQByteArray& ba) {
+            return rb_str_new(ba.data(), ba.size());
+        }
+        inline static TQByteArray toVariant(VALUE value) {
+            if( TYPE(value) != T_STRING ) {
+                rb_raise(rb_eTypeError, "TQByteArray must be a string");
+                //return STR2CSTR( rb_inspect(value) );
+                return TQCString("");
+            }
+#ifdef HAVE_RUBY_1_9
+            long length = LONG2NUM( RSTRING_LEN(value) );
+#else
+            long length = LONG2NUM( RSTRING(value)->len );
+#endif
+            if( length < 0 )
+                return TQCString("");
+#ifdef HAVE_RUBY_1_9
+            return TQCString(RSTRING_PTR(value), RSTRING_LEN(value));
+#else // HAVE_RUBY_1_9
+            char* ca = rb_str2cstr(value, &length);
+            return TQCString(ca, length);
+#endif // HAVE_RUBY_1_9
+        }
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<TQString>
+    {
+        inline static VALUE toVALUE(const TQString& s) {
+            return s.isNull() ? rb_str_new2("") : rb_str_new2(s.latin1());
+        }
+        inline static TQString toVariant(VALUE value) {
+            if( TYPE(value) != T_STRING ) {
+                rb_raise(rb_eTypeError, "TQString must be a string");
+                return TQString();
+            }
+            return STR2CSTR(value);
+        }
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<TQSize>
+    {
+        inline static VALUE toVALUE(const TQSize& s) {
+            VALUE l = rb_ary_new();
+            rb_ary_push(l, RubyType<int>::toVALUE(s.width()));
+            rb_ary_push(l, RubyType<int>::toVALUE(s.height()));
+            return l;
+        }
+        inline static TQSize toVariant(VALUE value) {
+#ifdef HAVE_RUBY_1_9
+            if( TYPE(value) != T_ARRAY || RARRAY_LEN(value) != 2 ) {
+#else
+            if( TYPE(value) != T_ARRAY || RARRAY(value)->len != 2 ) {
+#endif
+                rb_raise(rb_eTypeError, "TQSize must be an array with 2 elements");
+                return TQSize();
+            }
+            return TQSize( RubyType<int>::toVariant( rb_ary_entry(value,0) ), RubyType<int>::toVariant( rb_ary_entry(value,1) ) );
+        }
+    };
+
+#if 0
+    /// \internal
+    template<>
+    struct RubyType<TQSizeF>
+    {
+        inline static VALUE toVALUE(const TQSizeF& s) {
+            VALUE l = rb_ary_new();
+            rb_ary_push(l, RubyType<double>::toVALUE(s.width()));
+            rb_ary_push(l, RubyType<double>::toVALUE(s.height()));
+            return l;
+        }
+        inline static TQSizeF toVariant(VALUE value) {
+#ifdef HAVE_RUBY_1_9
+            if( TYPE(value) != T_ARRAY || RARRAY_LEN(value) != 2 ) {
+#else
+            if( TYPE(value) != T_ARRAY || RARRAY(value)->len != 2 ) {
+#endif
+                rb_raise(rb_eTypeError, "TQSizeF must be an array with 2 elements");
+                return TQSizeF();
+            }
+            return TQSizeF( RubyType<double>::toVariant( rb_ary_entry(value,0) ), RubyType<double>::toVariant( rb_ary_entry(value,1) ) );
+
+        }
+    };
+#endif
+
+    /// \internal
+    template<>
+    struct RubyType<TQPoint>
+    {
+        inline static VALUE toVALUE(const TQPoint& s) {
+            VALUE l = rb_ary_new();
+            rb_ary_push(l, RubyType<int>::toVALUE(s.x()));
+            rb_ary_push(l, RubyType<int>::toVALUE(s.y()));
+            return l;
+        }
+        inline static TQPoint toVariant(VALUE value) {
+#ifdef HAVE_RUBY_1_9
+            if( TYPE(value) != T_ARRAY || RARRAY_LEN(value) != 2 ) {
+#else
+            if( TYPE(value) != T_ARRAY || RARRAY(value)->len != 2 ) {
+#endif
+                rb_raise(rb_eTypeError, "TQPoint must be an array with 2 elements");
+                return TQPoint();
+            }
+            return TQPoint( RubyType<int>::toVariant( rb_ary_entry(value,0) ), RubyType<int>::toVariant( rb_ary_entry(value,1) ) );
+        }
+    };
+
+#if 0
+    /// \internal
+    template<>
+    struct RubyType<TQPointF>
+    {
+        inline static VALUE toVALUE(const TQPointF& s) {
+            VALUE l = rb_ary_new();
+            rb_ary_push(l, RubyType<double>::toVALUE(s.x()));
+            rb_ary_push(l, RubyType<double>::toVALUE(s.y()));
+            return l;
+        }
+        inline static TQPointF toVariant(VALUE value) {
+#ifdef HAVE_RUBY_1_9
+            if( TYPE(value) != T_ARRAY || RARRAY_LEN(value) != 2 ) {
+#else
+            if( TYPE(value) != T_ARRAY || RARRAY(value)->len != 2 ) {
+#endif
+                rb_raise(rb_eTypeError, "TQPointF must be an array with 2 elements");
+                return TQPointF();
+            }
+            return TQPointF( RubyType<double>::toVariant( rb_ary_entry(value,0) ), RubyType<double>::toVariant( rb_ary_entry(value,1) ) );
+        }
+    };
+#endif
+
+    /// \internal
+    template<>
+    struct RubyType<TQRect>
+    {
+        inline static VALUE toVALUE(const TQRect& s) {
+            VALUE l = rb_ary_new();
+            rb_ary_push(l, RubyType<int>::toVALUE(s.x()));
+            rb_ary_push(l, RubyType<int>::toVALUE(s.y()));
+            rb_ary_push(l, RubyType<int>::toVALUE(s.width()));
+            rb_ary_push(l, RubyType<int>::toVALUE(s.height()));
+            return l;
+        }
+        inline static TQRect toVariant(VALUE value) {
+#ifdef HAVE_RUBY_1_9
+            if( TYPE(value) != T_ARRAY || RARRAY_LEN(value) != 4 ) {
+#else
+            if( TYPE(value) != T_ARRAY || RARRAY(value)->len != 4 ) {
+#endif
+                rb_raise(rb_eTypeError, "TQRect must be an array with 4 elements");
+                return TQRect();
+            }
+            return TQRect( RubyType<int>::toVariant( rb_ary_entry(value,0) ), RubyType<int>::toVariant( rb_ary_entry(value,1) ),
+                           RubyType<int>::toVariant( rb_ary_entry(value,2) ), RubyType<int>::toVariant( rb_ary_entry(value,3) ) );
+        }
+    };
+
+#if 0
+    /// \internal
+    template<>
+    struct RubyType<TQRectF>
+    {
+        inline static VALUE toVALUE(const TQRectF& s) {
+            VALUE l = rb_ary_new();
+            rb_ary_push(l, RubyType<double>::toVALUE(s.x()));
+            rb_ary_push(l, RubyType<double>::toVALUE(s.y()));
+            rb_ary_push(l, RubyType<double>::toVALUE(s.width()));
+            rb_ary_push(l, RubyType<double>::toVALUE(s.height()));
+            return l;
+        }
+        inline static TQRectF toVariant(VALUE value) {
+#ifdef HAVE_RUBY_1_9
+            if( TYPE(value) != T_ARRAY || RARRAY_LEN(value) != 4 ) {
+#else
+            if( TYPE(value) != T_ARRAY || RARRAY(value)->len != 4 ) {
+#endif
+                rb_raise(rb_eTypeError, "TQRectF must be an array with 4 elements");
+                return TQRectF();
+            }
+            return TQRectF( RubyType<double>::toVariant( rb_ary_entry(value,0) ), RubyType<double>::toVariant( rb_ary_entry(value,1) ),
+                           RubyType<double>::toVariant( rb_ary_entry(value,2) ), RubyType<double>::toVariant( rb_ary_entry(value,3) ) );
+        }
+    };
+#endif
+
+    /// \internal
+    template<>
+    struct RubyType<TQUrl>
+    {
+        inline static VALUE toVALUE(const TQUrl& url) {
+            return RubyType<TQString>::toVALUE( url.toString() );
+        }
+        inline static TQUrl toVariant(VALUE value) {
+            return TQUrl( RubyType<TQString>::toVariant(value) );
+        }
+    };
+
+    /// \internal
+    template<>
+    struct RubyType<TQStringList>
+    {
+        inline static VALUE toVALUE(const TQStringList& list) {
+            VALUE l = rb_ary_new();
+            for (TQStringList::const_iterator it = list.begin(); it != list.end(); ++it) {
+                rb_ary_push(l, RubyType<TQString>::toVALUE(*it));
+            }
+            return l;
+        }
+        inline static TQStringList toVariant(VALUE value) {
+            if( TYPE(value) != T_ARRAY ) {
+                rb_raise(rb_eTypeError, "TQStringList must be an array");
+                return TQStringList();
+            }
+            TQStringList l;
+#ifdef HAVE_RUBY_1_9
+            for(int i = 0; i < RARRAY_LEN(value); i++)
+#else
+            for(int i = 0; i < RARRAY(value)->len; i++)
+#endif
+                l.append( RubyType<TQString>::toVariant( rb_ary_entry(value, i) ) );
+            return l;
+        }
+    };
+
+#if 0
+    /// \internal
+    template<>
+    struct RubyType<TQVariantList>
+    {
+        inline static VALUE toVALUE(const TQVariantList& list) {
+            VALUE l = rb_ary_new();
+            foreach(TQVariant v, list)
+                rb_ary_push(l, RubyType<TQVariant>::toVALUE(v));
+            return l;
+        }
+        inline static TQVariantList toVariant(VALUE value) {
+            if( TYPE(value) != T_ARRAY ) {
+                rb_raise(rb_eTypeError, "TQVariantList must be an array");
+                return TQVariantList();
+            }
+            TQVariantList l;
+#ifdef HAVE_RUBY_1_9
+            for(int i = 0; i < RARRAY_LEN(value); i++)
+#else
+            for(int i = 0; i < RARRAY(value)->len; i++)
+#endif
+                l.append( RubyType<TQVariant>::toVariant( rb_ary_entry(value, i) ) );
+            return l;
+        }
+    };
+#endif
+
+#if 0
+    /// \internal
+    template<>
+    struct RubyType<TQVariantMap>
+    {
+        inline static VALUE toVALUE(const TQVariantMap& map) {
+            VALUE h = rb_hash_new();
+            TQMap<TQString, TQVariant>::ConstIterator it(map.constBegin()), end(map.end());
+            for(; it != end; ++it)
+                rb_hash_aset(h, RubyType<TQString>::toVALUE(it.key()), RubyType<TQVariant>::toVALUE(it.value()) );
+            return h;
+        }
+        inline static int convertHash(VALUE key, VALUE value, VALUE  vmap) {
+            TQVariantMap* map; 
+            Data_Get_Struct(vmap, TQVariantMap, map);
+            if (key != TQundef)
+                map->insert(STR2CSTR(key), RubyType<TQVariant>::toVariant(value));
+            return ST_CONTINUE;
+        }
+        inline static TQVariantMap toVariant(VALUE value) {
+            if( TYPE(value) != T_HASH ) {
+                rb_raise(rb_eTypeError, "TQVariantMap must be a hash");
+                return TQVariantMap();
+            }
+            TQVariantMap map;
+            VALUE vmap = Data_Wrap_Struct(rb_cObject, 0,0, &map);
+            rb_hash_foreach(value, (int (*)(...))convertHash, vmap);
+            return map;
+        }
+    };
+#endif
+
+#if 0
+    /**
+     * The RubyMetaTypeFactory helper class us used as factory within
+     * \a RubyExtension to translate an argument into a \a MetaType
+     * needed for TQGenericArgument's data pointer.
+     */
+    class RubyMetaTypeFactory
+    {
+        public:
+            static MetaType* create(int typeId, int metaTypeId, VALUE valueect = TQnil);
+    };
+
+    /// \internal
+    template<typename VARIANTTYPE>
+    class RubyMetaTypeVariant : public MetaTypeVariant<VARIANTTYPE>
+    {
+        public:
+            RubyMetaTypeVariant(VALUE value)
+                : MetaTypeVariant<VARIANTTYPE>(
+                    (TYPE(value) == T_NIL)
+                        ? TQVariant().value<VARIANTTYPE>()
+                        : RubyType<VARIANTTYPE>::toVariant(value)
+                ) {}
+
+            virtual ~RubyMetaTypeVariant() {}
+    };
+
+#endif
+
+}
+
+#endif
+