On Linux, wcwidth() needs _XOPEN_SOURCE, or just _GNU_SOURCE for simplicity.

[mandoc.git] / out.h

diff --git a/out.h b/out.h
index 28241d9a61378a5e048240a469d31dcb56bef24b..a1133edea76c3f94bc4624c145315894ebdf2e3b 100644 (file)
--- a/out.h
+++ b/out.h
@@ -1,6 +1,6 @@
-/*     $Id: out.h,v 1.1 2009/09/21 00:39:02 kristaps Exp $ */
+/*     $Id: out.h,v 1.23 2014/08/12 19:28:03 schwarze Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -17,11 +17,54 @@
 #ifndef OUT_H
 #define OUT_H
 
+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           decimal; /* decimal position in cell */
+};
+
+struct roffsu {
+       enum roffscale    unit;
+       double            scale;
+};
+
+typedef        size_t  (*tbl_strlen)(const char *, void *);
+typedef        size_t  (*tbl_len)(size_t, void *);
+
+struct rofftbl {
+       tbl_strlen       slen; /* calculate string length */
+       tbl_len          len; /* produce width of empty space */
+       struct roffcol  *cols; /* master column specifiers */
+       void            *arg; /* passed to slen and len */
+};
+
 __BEGIN_DECLS
 
-int                     out_a2width(const char *);
-int                     out_a2offs(const char *, int);
-int                     out_a2list(const struct mdoc_node *);
+#define        SCALE_VS_INIT(p, v) \
+       do { (p)->unit = SCALE_VS; \
+            (p)->scale = (v); } \
+       while (/* CONSTCOND */ 0)
+
+#define        SCALE_HS_INIT(p, v) \
+       do { (p)->unit = SCALE_EN; \
+            (p)->scale = (v); } \
+       while (/* CONSTCOND */ 0)
+
+int              a2roffsu(const char *, struct roffsu *, enum roffscale);
+void             tblcalc(struct rofftbl *tbl, const struct tbl_span *);
 
 __END_DECLS