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%fragment("StdMultimapTraits","header",fragment="StdSequenceTraits")
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template <class RubySeq, class K, class T >
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assign(const RubySeq& rubyseq, std::multimap<K,T > *multimap) {
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typedef typename std::multimap<K,T>::value_type value_type;
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typename RubySeq::const_iterator it = rubyseq.begin();
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for (;it != rubyseq.end(); ++it) {
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multimap->insert(value_type(it->first, it->second));
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template <class K, class T>
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struct traits_asptr<std::multimap<K,T> > {
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typedef std::multimap<K,T> multimap_type;
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static int asptr(VALUE obj, std::multimap<K,T> **val) {
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if ( TYPE(obj) == T_HASH ) {
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static ID id_to_a = rb_intern("to_a");
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VALUE items = rb_funcall(obj, id_to_a, 0);
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return traits_asptr_stdseq<std::multimap<K,T>, std::pair<K, T> >::asptr(items, val);
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res = SWIG_ConvertPtr(obj,(void**)&p,swig::type_info<multimap_type>(),0);
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if (SWIG_IsOK(res) && val) *val = p;
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template <class K, class T >
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struct traits_from<std::multimap<K,T> > {
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typedef std::multimap<K,T> multimap_type;
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typedef typename multimap_type::const_iterator const_iterator;
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typedef typename multimap_type::size_type size_type;
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static VALUE from(const multimap_type& multimap) {
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swig_type_info *desc = swig::type_info<multimap_type>();
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if (desc && desc->clientdata) {
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return SWIG_NewPointerObj(new multimap_type(multimap), desc, SWIG_POINTER_OWN);
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size_type size = multimap.size();
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int rubysize = (size <= (size_type) INT_MAX) ? (int) size : -1;
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SWIG_RUBY_THREAD_BEGIN_BLOCK;
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rb_raise(rb_eRuntimeError,
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"multimap size not valid in Ruby");
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SWIG_RUBY_THREAD_END_BLOCK;
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VALUE obj = rb_hash_new();
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for (const_iterator i= multimap.begin(); i!= multimap.end(); ++i) {
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VALUE key = swig::from(i->first);
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VALUE val = swig::from(i->second);
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VALUE oldval = rb_hash_aref( obj, key );
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rb_hash_aset(obj, key, val);
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// Multiple values for this key, create array if needed
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// and add a new element to it.
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if ( TYPE(oldval) == T_ARRAY )
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rb_ary_push( ary, oldval );
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rb_hash_aset( obj, key, ary );
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rb_ary_push( ary, val );
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%define %swig_multimap_methods(MultiMap...)
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%swig_map_common(%arg(MultiMap));
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VALUE __getitem__(const key_type& key) const {
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MultiMap::const_iterator i = self->find(key);
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if ( i != self->end() )
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MultiMap::const_iterator e = $self->upper_bound(key);
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VALUE ary = rb_ary_new();
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rb_ary_push( ary, swig::from<MultiMap::mapped_type>( i->second ) );
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if ( RARRAY_LEN(ary) == 1 )
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return RARRAY_PTR(ary)[0];
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void __setitem__(const key_type& key, const mapped_type& x) throw (std::out_of_range) {
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self->insert(MultiMap::value_type(key,x));
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MultiMap::iterator i = $self->begin();
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MultiMap::iterator e = $self->end();
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VALUE str = rb_str_new2( swig::type_name< MultiMap >() );
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str = rb_str_cat2( str, " {" );
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const MultiMap::key_type& key = i->first;
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const MultiMap::key_type& oldkey = key;
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tmp = swig::from( key );
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str = rb_str_buf_append( str, rb_inspect(tmp) );
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str = rb_str_cat2( str, "=>" );
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VALUE vals = rb_ary_new();
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for ( ; i != e && key == oldkey; ++i )
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const MultiMap::mapped_type& val = i->second;
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tmp = swig::from( val );
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rb_ary_push( vals, tmp );
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if ( RARRAY_LEN(vals) == 1 )
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str = rb_str_buf_append( str, rb_inspect(tmp) );
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str = rb_str_buf_append( str, rb_inspect(vals) );
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str = rb_str_cat2( str, "}" );
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MultiMap::const_iterator i = $self->begin();
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MultiMap::const_iterator e = $self->end();
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VALUE ary = rb_ary_new2( std::distance( i, e ) );
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const MultiMap::key_type& key = i->first;
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const MultiMap::key_type& oldkey = key;
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tmp = swig::from( key );
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rb_ary_push( ary, tmp );
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VALUE vals = rb_ary_new();
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for ( ; i != e && key == oldkey; ++i )
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const MultiMap::mapped_type& val = i->second;
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tmp = swig::from( val );
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rb_ary_push( vals, tmp );
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if ( RARRAY_LEN(vals) == 1 )
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rb_ary_push( ary, tmp );
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rb_ary_push( ary, vals );
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MultiMap::iterator i = $self->begin();
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MultiMap::iterator e = $self->end();
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VALUE str = rb_str_new2( "" );
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const MultiMap::key_type& key = i->first;
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const MultiMap::key_type& oldkey = key;
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tmp = swig::from( key );
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tmp = rb_obj_as_string( tmp );
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str = rb_str_buf_append( str, tmp );
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VALUE vals = rb_ary_new();
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for ( ; i != e && key == oldkey; ++i )
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const MultiMap::mapped_type& val = i->second;
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tmp = swig::from( val );
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rb_ary_push( vals, tmp );
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tmp = rb_obj_as_string( vals );
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str = rb_str_buf_append( str, tmp );
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%mixin std::multimap "Enumerable";
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%rename("delete") std::multimap::__delete__;
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%rename("reject!") std::multimap::reject_bang;
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%rename("map!") std::multimap::map_bang;
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%rename("empty?") std::multimap::empty;
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%rename("include?" ) std::multimap::__contains__ const;
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%rename("has_key?" ) std::multimap::has_key const;
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%alias std::multimap::push "<<";
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%include <std/std_multimap.i>