--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ueda/libuschem/schemstruct.h	Mon Jul 20 00:24:37 2015 +0000
@@ -0,0 +1,196 @@
+/*
+ * data structures representing a schematic in memory
+ */
+
+#define	OBJTYPE_SENTINEL	0x00
+#define	OBJTYPE_COMPINST	0x01
+#define	OBJTYPE_GRAPHSYM	0x02
+#define	OBJTYPE_NET		0x03
+#define	OBJTYPE_GRAPHNET	0x04
+#define	OBJTYPE_NETLINE		0x05
+#define	OBJTYPE_BUSSEG		0x06
+#define	OBJTYPE_GRAPHBLOCK	0x07
+#define	OBJTYPE_COMMENT		0x08
+#define	OBJTYPE_MAX		0x08
+
+struct schem {
+	/* the first 3 fields must match struct schemobj to serve as sentinel */
+	struct	schemobj *obj_next;
+	struct	schemobj *obj_prev;
+	int	obj_type;
+	/* we're free from here onward */
+	char	*orig_filename;
+	int	is_graph;
+	int	graph_xsize;
+	int	graph_ysize;
+	int	has_graphblocks;
+	struct	schemobj **compinst_hash;
+	struct	graphsym_pininst **pininst_hash;
+};
+
+struct schemobj {
+	struct	schemobj *obj_next;
+	struct	schemobj *obj_prev;
+	int	obj_type;
+	int	obj_lineno;
+	struct	decoration *obj_decorations;
+	/* the rest differs by type */
+	union {
+		struct {	/* Component and GraphSym */
+			char	*instname;
+			struct	component *mclcomp;
+			int	is_graph;
+			char	*graph_symname;
+			struct	graphsym *graphsym;
+			int	x;
+			int	y;
+			int	rotate;
+			int	mirror;
+			struct	schemobj *next_in_hash;
+			struct	graphsym_pininst *pin_instances;
+		} comp;
+		struct {	/* Net and GraphNet */
+			char	*netname;
+			struct	netpoint *points;
+			struct	schemobj *grouphead;
+			int	has_forcenet_syms;
+		} net;
+		struct {	/* NetLine and BusSeg */
+			int	x1;
+			int	y1;
+			int	x2;
+			int	y2;
+		} netline;
+		struct graphblock	*graphblock_body;
+		char			*comment_text;
+	} bytype;
+};
+
+/* for Component and GraphSym */
+#define	compobj_instname	bytype.comp.instname
+#define	compobj_mclcomp		bytype.comp.mclcomp
+#define	compobj_isgraph		bytype.comp.is_graph
+#define	compobj_graph_symname	bytype.comp.graph_symname
+#define	compobj_graphsym	bytype.comp.graphsym
+#define	compobj_x		bytype.comp.x
+#define	compobj_y		bytype.comp.y
+#define	compobj_rotate		bytype.comp.rotate
+#define	compobj_mirror		bytype.comp.mirror
+#define	compobj_nextinhash	bytype.comp.next_in_hash
+#define	compobj_pins		bytype.comp.pin_instances
+
+/* for Net and GraphNet */
+#define	netobj_netname		bytype.net.netname
+#define	netobj_points		bytype.net.points
+#define	netobj_grouphead	bytype.net.grouphead
+#define	netobj_forcenets	bytype.net.has_forcenet_syms
+
+/* for NetLine and BusSeg */
+#define	lineobj_x1		bytype.netline.x1
+#define	lineobj_y1		bytype.netline.y1
+#define	lineobj_x2		bytype.netline.x2
+#define	lineobj_y2		bytype.netline.y2
+
+/* for GraphBlocks and Comments */
+#define	graphblockobj_body	bytype.graphblock_body
+#define	commentobj_text		bytype.comment_text
+
+struct netpoint {
+	struct	netpoint *netpt_next;
+	int	netpt_type;
+	char	*netpt_pin_nameref;
+	int	netpt_x;
+	int	netpt_y;
+	int	netpt_coord_valid;
+	struct	schemobj *netpt_tjoin_to;
+};
+
+#define	NETPT_TYPE_POINT	0
+#define	NETPT_TYPE_PIN		1
+#define	NETPT_TYPE_TJOIN	2
+#define	NETPT_TYPE_PSEUDO	3
+
+struct decoration {
+	struct	decoration *decor_next;
+	int	decor_type;
+	int	decor_lineno;
+	/* the rest differs by type */
+	union {
+		struct {
+			char	*name;
+			char	*value;
+		} attr;
+		struct {
+			char	*attr;
+			int	x;
+			int	y;
+			int	ptsize;
+			int	rotate;
+			int	alignment;
+		} display;
+		struct {
+			char	*pin;
+			char	*netname;
+		} pintonet;
+		struct {
+			char	*pin;
+			char	*symname;
+			struct	graphsym *graphsym;
+			int	mirror;
+		} symonpin;
+		struct graphblock	*graphblock_body;
+		char			*comment_text;
+	} bytype;
+};
+
+#define	DECOR_TYPE_ATTR			0x01
+#define	DECOR_TYPE_DISPLAYATTR		0x02
+#define	DECOR_TYPE_DISPLAYNETNAME	0x03
+#define	DECOR_TYPE_GRAPHBLOCK		0x04
+#define	DECOR_TYPE_COMMENT		0x05
+#define	DECOR_TYPE_PINTONET		0x06
+#define	DECOR_TYPE_SYMONPIN		0x07
+#define	DECOR_TYPE_NOCONNECT		0x08
+
+#define	decorattr_name		bytype.attr.name
+#define	decorattr_value		bytype.attr.value
+
+#define	decordisp_attr		bytype.display.attr
+#define	decordisp_x		bytype.display.x
+#define	decordisp_y		bytype.display.y
+#define	decordisp_ptsize	bytype.display.ptsize
+#define	decordisp_rotate	bytype.display.rotate
+#define	decordisp_alignment	bytype.display.alignment
+
+#define	decorpincon_pin		bytype.pintonet.pin
+#define	decorpincon_netname	bytype.pintonet.netname
+
+#define	decorpinsym_pin		bytype.symonpin.pin
+#define	decorpinsym_symname	bytype.symonpin.symname
+#define	decorpinsym_gs		bytype.symonpin.graphsym
+#define	decorpinsym_mirror	bytype.symonpin.mirror
+
+#define	decorgraph_body		bytype.graphblock_body
+#define	decorcomment_text	bytype.comment_text
+
+struct graphblock {
+	int	type;
+	off_t	offset;
+	size_t	length;
+	int	lineno;
+};
+
+#define	GRAPHBLOCK_TYPE_PS	0
+#define	GRAPHBLOCK_TYPE_GSCHEM	1
+
+/*
+ * This doesn't really belong here, but I couldn't find a better place
+ * for this structure definition: I want to make this table available
+ * to the writer as well.
+ */
+
+struct drawing_size_kwtab {
+	char	*keyword;
+	int	xdim;
+	int	ydim;
+};