/*
- * $Id: ext.c 48 2005-05-30 19:20:42Z tilman $
+ * $Id: ext.c 50 2005-05-30 20:38:34Z tilman $
*
* Copyright (c) 2005 Tilman Sauerbeck (tilman at code-monkey de)
*
#include <Eet.h>
#include <ruby.h>
+#include <st.h>
#define CHECK_KEY(key) \
if (rb_funcall (key, id_include, 1, INT2FIX (0)) == Qtrue) \
static VALUE c_close (VALUE self);
-static ID id_include, id_tag, id_data;
+static VALUE cStream, cChunk,
+ eEetError, eNameError, ePropError,
+ sym_lossy, sym_level, sym_quality;
+static ID id_include, id_serialize, id_push, id_empty,
+ id_to_eet_chunks, id_to_eet_name, id_to_eet_properties,
+ id_tag, id_data;
static void
c_free (Eet_File **ef)
rb_raise (rb_eIOError, "cannot read entry - %s", ckey);
comp = rb_hash_new ();
- rb_hash_aset (comp, ID2SYM (rb_intern ("lossy")), INT2FIX (lossy));
- rb_hash_aset (comp, ID2SYM (rb_intern ("level")), INT2FIX (level));
- rb_hash_aset (comp, ID2SYM (rb_intern ("quality")), INT2FIX (quality));
+ rb_hash_aset (comp, sym_lossy, INT2FIX (lossy));
+ rb_hash_aset (comp, sym_level, INT2FIX (level));
+ rb_hash_aset (comp, sym_quality, INT2FIX (quality));
ret = rb_ary_new3 (5, rb_str_new (data, w * h * 4),
INT2FIX (w), INT2FIX (h),
if (!NIL_P (comp)) {
Check_Type (comp, T_HASH);
- tmp = rb_hash_aref (comp, ID2SYM (rb_intern ("lossy")));
+ tmp = rb_hash_aref (comp, sym_lossy);
if (!NIL_P (tmp))
lossy = FIX2INT (tmp);
- tmp = rb_hash_aref (comp, ID2SYM (rb_intern ("level")));
+ tmp = rb_hash_aref (comp, sym_level);
if (!NIL_P (tmp))
level = FIX2INT (tmp);
- tmp = rb_hash_aref (comp, ID2SYM (rb_intern ("quality")));
+ tmp = rb_hash_aref (comp, sym_quality);
if (!NIL_P (tmp))
quality = FIX2INT (tmp);
}
{
VALUE ret;
struct RArray *stream;
- static ID id_serialize;
long i;
ret = rb_str_new2 ("");
if (!stream->len)
return ret;
- if (!id_serialize)
- id_serialize = rb_intern ("serialize");
-
for (i = 0; i < stream->len; i++) {
VALUE str = rb_funcall (stream->ptr[i], id_serialize, 0, NULL);
return ret;
}
+static int
+for_each_prop (VALUE tag, VALUE arg, VALUE stream)
+{
+ VALUE value, type, chunks;
+ long len, i;
+
+ if (rb_obj_is_kind_of (arg, rb_cArray) == Qfalse)
+ rb_raise (ePropError, "hash value is not an array");
+
+ value = rb_ary_entry (arg, 0);
+ if (NIL_P (value))
+ return ST_CONTINUE;
+
+ type = rb_ary_entry (arg, 1);
+ chunks = rb_funcall (value, id_to_eet_chunks, 2, tag, type);
+
+ len = RARRAY (chunks)->len;
+
+ for (i = 0; i < len; i++)
+ rb_funcall (stream, id_push, 1, rb_ary_entry (chunks, i));
+
+ return ST_CONTINUE;
+}
+
+/*
+ * :call-seq:
+ * object.to_eet -> string
+ *
+ * Serializes the receiver to EET format.
+ */
+static VALUE
+c_to_eet (VALUE self)
+{
+ VALUE props, name, stream, chunk, args[2];
+
+ props = rb_funcall (self, id_to_eet_properties, 0);
+
+ if (rb_obj_is_kind_of (props, rb_cHash) == Qfalse ||
+ rb_funcall (props, id_empty, 0) == Qtrue)
+ rb_raise (ePropError, "invalid EET properties");
+
+ name = rb_funcall (self, id_to_eet_name, 0);
+ StringValue (name);
+
+ if (rb_funcall (name, id_include, 1, INT2FIX (0)) == Qtrue ||
+ rb_funcall (name, id_empty, 0) == Qtrue)
+ rb_raise (eNameError, "invalid EET name");
+
+ stream = rb_class_new_instance (0, NULL, cStream);
+
+ rb_hash_foreach (props, for_each_prop, stream);
+
+ args[0] = name;
+ 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 (stream, id_serialize, 0);
+}
+
void
Init_eet_ext ()
{
- VALUE m, c, cs, cc;
+ VALUE m, c;
m = rb_define_module ("Eet");
rb_define_method (c, "read_image", c_read_image, 1);
rb_define_method (c, "write_image", c_write_image, -1);
- cs = rb_define_class_under (m, "Stream", rb_cArray);
- rb_define_method (cs, "serialize", stream_serialize, 0);
+ cStream = rb_define_class_under (m, "Stream", rb_cArray);
+ rb_define_method (cStream, "serialize", stream_serialize, 0);
+
+ cChunk = rb_define_class_under (m, "Chunk", rb_cObject);
+ rb_define_method (cChunk, "initialize", chunk_init, 2);
+ rb_define_method (cChunk, "serialize", chunk_serialize, 0);
+
+ rb_define_attr (cChunk, "tag", 1, 0);
+ rb_define_attr (cChunk, "data", 1, 0);
- cc = rb_define_class_under (m, "Chunk", rb_cObject);
- rb_define_method (cc, "initialize", chunk_init, 2);
- rb_define_method (cc, "serialize", chunk_serialize, 0);
+ rb_define_method (rb_cObject, "to_eet", c_to_eet, 0);
- rb_define_attr (cc, "tag", 1, 0);
- rb_define_attr (cc, "data", 1, 0);
+ 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);
id_include = rb_intern ("include?");
+ id_serialize = rb_intern ("serialize");
+ id_push = rb_intern ("push");
+ id_empty = rb_intern ("empty?");
+ id_to_eet_chunks = rb_intern ("to_eet_chunks");
+ id_to_eet_name = rb_intern ("to_eet_name");
+ id_to_eet_properties = rb_intern ("to_eet_properties");
id_tag = rb_intern ("@tag");
id_data = rb_intern ("@data");
+ sym_lossy = ID2SYM (rb_intern ("lossy"));
+ sym_level = ID2SYM (rb_intern ("level"));
+ sym_quality = ID2SYM (rb_intern ("quality"));
}
projects / ruby-eet.git / blobdiff