1 files changed, 70 insertions, 0 deletions
diff --git a/usr.bin/mandoc/out.h b/usr.bin/mandoc/out.h
new file mode 100644
index 0000000..fcd691c
--- /dev/null
+++ b/usr.bin/mandoc/out.h
@@ -0,0 +1,70 @@
+/* $OpenBSD: out.h,v 1.25 2020/04/03 11:34:19 schwarze Exp $ */
+/*
+ * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2014, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Utilities for use by multiple mandoc(1) formatters.
+ */
+
+enum	roffscale {
+	SCALE_CM, /* centimeters (c) */
+	SCALE_IN, /* inches (i) */
+	SCALE_PC, /* pica (P) */
+	SCALE_PT, /* points (p) */
+	SCALE_EM, /* ems (m) */
+	SCALE_MM, /* mini-ems (M) */
+	SCALE_EN, /* ens (n) */
+	SCALE_BU, /* default horizontal (u) */
+	SCALE_VS, /* default vertical (v) */
+	SCALE_FS, /* syn. for u (f) */
+	SCALE_MAX
+};
+
+struct	roffcol {
+	size_t		 width; /* width of cell */
+	size_t		 nwidth; /* max. width of number in cell */
+	size_t		 decimal; /* decimal position in cell */
+	size_t		 spacing; /* spacing after the column */
+	int		 flags; /* layout flags, see tbl_cell */
+};
+
+struct	roffsu {
+	enum roffscale	  unit;
+	double		  scale;
+};
+
+typedef	size_t	(*tbl_sulen)(const struct roffsu *, void *);
+typedef	size_t	(*tbl_strlen)(const char *, void *);
+typedef	size_t	(*tbl_len)(size_t, void *);
+
+struct	rofftbl {
+	tbl_sulen	 sulen; /* calculate scaling unit length */
+	tbl_strlen	 slen; /* calculate string length */
+	tbl_len		 len; /* produce width of empty space */
+	struct roffcol	*cols; /* master column specifiers */
+	void		*arg; /* passed to sulen, slen, and len */
+};
+
+#define	SCALE_HS_INIT(p, v) \
+	do { (p)->unit = SCALE_EN; \
+	     (p)->scale = (v); } \
+	while (/* CONSTCOND */ 0)
+
+
+struct	tbl_span;
+
+const char	 *a2roffsu(const char *, struct roffsu *, enum roffscale);
+void		  tblcalc(struct rofftbl *,
+			const struct tbl_span *, size_t, size_t);