bindings/ruby/rblm-message.c
author Mikael Hallendal <micke@imendio.com>
Thu, 10 Apr 2008 21:14:27 +0200
changeset 389 95287bd6f233
parent 386 d4549fc19801
permissions -rw-r--r--
Added support for add_message_handler to ruby bindings
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#include "rblm.h"
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#include "rblm-private.h"
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/* How to handle type, sub_type and root node*/
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VALUE lm_cMessage;
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LmMessage *
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rb_lm_message_from_ruby_object (VALUE obj)
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{
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	LmMessage *m;
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	if (!rb_lm__is_kind_of (obj, lm_cMessage)) {
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		rb_raise (rb_eTypeError, "not a LmMessage");
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	}
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	Data_Get_Struct (obj, LmMessage, m);
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	return m;
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}
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void
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msg_free (LmMessage *m)
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{
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	lm_message_unref (m);
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}
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VALUE
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rb_lm_message_to_ruby_object (LmMessage *m)
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{
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	if (m) {
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		lm_message_ref (m);
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		return Data_Wrap_Struct (lm_cMessage, NULL,
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					 msg_free, m);
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	} else {
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		return Qnil;
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	}
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}
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VALUE
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msg_allocate (VALUE klass)
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{
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	return Data_Wrap_Struct (klass, NULL, msg_free, NULL);
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}
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VALUE
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msg_initialize (int argc, VALUE *argv, VALUE self)
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{
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	LmMessage  *m;
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	VALUE       to, type, sub_type;
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	char       *to_str = NULL;
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	rb_scan_args (argc, argv, "21", &to, &type, &sub_type);
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	/* To can be nil */
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	if (!NIL_P (to)) {
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		if (!rb_respond_to (to, rb_intern ("to_s"))) {
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			rb_raise (rb_eArgError, "to should respond to to_s");
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		} else {
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			VALUE str_val = rb_funcall (to, rb_intern ("to_s"), 0);
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			to_str = StringValuePtr (str_val);
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		}
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	} 
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	if (NIL_P (sub_type)) {
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		/* Without sub_type */
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		m = lm_message_new (to_str, FIX2INT (type));
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	} else {
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		m = lm_message_new_with_sub_type (to_str,
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						  FIX2INT (type),
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						  FIX2INT (sub_type));
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	}
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	DATA_PTR (self) = m;
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	return self;
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}
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VALUE
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msg_get_type (VALUE self)
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{
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	LmMessage *m = rb_lm_message_from_ruby_object (self);
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	return INT2FIX (lm_message_get_type (m));
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}
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VALUE
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msg_get_sub_type (VALUE self)
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{
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	LmMessage *m = rb_lm_message_from_ruby_object (self);
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	return INT2FIX (lm_message_get_sub_type (m));
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}
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VALUE
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msg_get_root_node (VALUE self)
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{
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	LmMessage *m = rb_lm_message_from_ruby_object (self);
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	return LMMESSAGENODE2RVAL (m->node);
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}
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extern void 
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Init_lm_message (VALUE lm_mLM)
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{
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	lm_cMessage = rb_define_class_under (lm_mLM, "Message", rb_cObject);
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	rb_define_alloc_func (lm_cMessage, msg_allocate);
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	rb_define_method (lm_cMessage, "initialize", msg_initialize, -1);
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	rb_define_method (lm_cMessage, "type", msg_get_type, 0);
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	rb_define_method (lm_cMessage, "sub_type", msg_get_sub_type, 0);
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	rb_define_method (lm_cMessage, "root_node", msg_get_root_node, 0);
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	rb_define_alias (lm_cMessage, "node", "root_node");
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}
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