/*
- * $Id: ext.c 54 2005-06-02 20:05:38Z tilman $
+ * $Id: ext.c 62 2005-06-09 17:42:34Z tilman $
*
* Copyright (c) 2005 Tilman Sauerbeck (tilman at code-monkey de)
*
#include <Eet.h>
#include <ruby.h>
#include <st.h>
+#include <locale.h>
#define CHECK_KEY(key) \
if (rb_funcall (key, id_include, 1, INT2FIX (0)) == Qtrue) \
static VALUE c_close (VALUE self);
static VALUE cStream, cChunk,
- eEetError, eNameError, ePropError,
- sym_lossy, sym_level, sym_quality;
+ eEetError, eNameError, ePropError, eStreamError,
+ eBadElementError,
+ sym_lossy, sym_level, sym_quality, sym_char, sym_short,
+ sym_long_long, sym_double;
static ID id_include, id_serialize, id_push, id_keys,
id_to_eet_chunks, id_to_eet_name, id_to_eet_properties,
id_tag, id_data;
return ret;
for (i = 0; i < stream->len; i++) {
- VALUE str = rb_funcall (stream->ptr[i], id_serialize, 0, NULL);
+ VALUE str;
+
+ if (rb_obj_is_kind_of (stream->ptr[i], cChunk) == Qfalse)
+ rb_raise (eBadElementError, "stream member is not a Chunk");
+
+ str = rb_funcall (stream->ptr[i], id_serialize, 0, NULL);
rb_str_append (ret, str);
}
args[1] = rb_funcall (stream, id_serialize, 0);
chunk = rb_class_new_instance (2, args, cChunk);
- stream = rb_class_new_instance (1, &chunk, cStream);
+ return rb_funcall (chunk, id_serialize, 0);
+}
+
+static VALUE
+int_to_eet_chunks (int argc, VALUE *argv, VALUE self)
+{
+ VALUE tag, type = Qnil, ary, args[2], chunk;
+ char *cfmt = "V";
+
+ rb_scan_args (argc, argv, "11", &tag, &type);
- return rb_funcall (stream, id_serialize, 0);
+ ary = rb_ary_new3 (1, self);
+
+ if (type == sym_char)
+ cfmt = "c";
+ else if (type == sym_short)
+ cfmt = "v";
+ else if (type == sym_long_long)
+ cfmt = "q";
+
+ args[0] = tag;
+ args[1] = rb_funcall (ary, rb_intern ("pack"), 1, rb_str_new2 (cfmt));
+ chunk = rb_class_new_instance (2, args, cChunk);
+
+ return rb_ary_new3 (1, chunk);
+}
+
+static VALUE
+float_to_eet_chunks (int argc, VALUE *argv, VALUE self)
+{
+ VALUE tag, type = Qnil, args[2], chunk;
+ char buf[65], *loc;
+ double d;
+ int len;
+
+ rb_scan_args (argc, argv, "11", &tag, &type);
+
+ d = NUM2DBL (self);
+
+ /* switch locale to make sure we get proper snprintf output */
+ loc = setlocale (LC_NUMERIC, "C");
+
+ len = snprintf (buf, sizeof (buf) - 1, "%a",
+ type == sym_double ? d : (float) d);
+
+ if (loc)
+ setlocale (LC_NUMERIC, loc);
+
+ buf[++len] = '\0';
+
+ args[0] = tag;
+ args[1] = rb_str_new (buf, len);
+ chunk = rb_class_new_instance (2, args, cChunk);
+
+ return rb_ary_new3 (1, chunk);
}
void
rb_define_method (rb_cObject, "to_eet", c_to_eet, 0);
+ rb_define_method (rb_cInteger, "to_eet_chunks", int_to_eet_chunks, -1);
+ rb_define_method (rb_cFloat, "to_eet_chunks", float_to_eet_chunks, -1);
+
eEetError = rb_define_class_under (m, "EetError", rb_eStandardError);
eNameError = rb_define_class_under (m, "NameError", eEetError);
ePropError = rb_define_class_under (m, "PropertyError", eEetError);
+ eStreamError = rb_define_class_under (m, "StreamError", eEetError);
+ eBadElementError = rb_define_class_under (m, "BadElementError",
+ eStreamError);
id_include = rb_intern ("include?");
id_serialize = rb_intern ("serialize");
sym_lossy = ID2SYM (rb_intern ("lossy"));
sym_level = ID2SYM (rb_intern ("level"));
sym_quality = ID2SYM (rb_intern ("quality"));
+ sym_char = ID2SYM (rb_intern ("char"));
+ sym_short = ID2SYM (rb_intern ("short"));
+ sym_long_long = ID2SYM (rb_intern ("long_long"));
+ sym_double = ID2SYM (rb_intern ("double"));
}