-/* $Id: mdoc.h,v 1.59 2009/06/16 19:45:51 kristaps Exp $ */
+/* $Id: mdoc.h,v 1.146 2018/12/30 00:49:55 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2014, 2015 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
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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.
*/
-#ifndef MDOC_H
-#define MDOC_H
-#include <time.h>
+struct roff_node;
+struct roff_man;
+
+enum mdocargt {
+ MDOC_Split, /* -split */
+ MDOC_Nosplit, /* -nospli */
+ MDOC_Ragged, /* -ragged */
+ MDOC_Unfilled, /* -unfilled */
+ MDOC_Literal, /* -literal */
+ MDOC_File, /* -file */
+ MDOC_Offset, /* -offset */
+ MDOC_Bullet, /* -bullet */
+ MDOC_Dash, /* -dash */
+ MDOC_Hyphen, /* -hyphen */
+ MDOC_Item, /* -item */
+ MDOC_Enum, /* -enum */
+ MDOC_Tag, /* -tag */
+ MDOC_Diag, /* -diag */
+ MDOC_Hang, /* -hang */
+ MDOC_Ohang, /* -ohang */
+ MDOC_Inset, /* -inset */
+ MDOC_Column, /* -column */
+ MDOC_Width, /* -width */
+ MDOC_Compact, /* -compact */
+ MDOC_Std, /* -std */
+ MDOC_Filled, /* -filled */
+ MDOC_Words, /* -words */
+ MDOC_Emphasis, /* -emphasis */
+ MDOC_Symbolic, /* -symbolic */
+ MDOC_Nested, /* -nested */
+ MDOC_Centred, /* -centered */
+ MDOC_ARG_MAX
+};
/*
- * This library implements a validating scanner/parser for ``mdoc'' roff
- * macro documents, a.k.a. BSD manual page documents. The mdoc.c file
- * drives the parser, while macro.c describes the macro ontologies.
- * validate.c pre- and post-validates parsed macros, and action.c
- * performs actions on parsed and validated macros.
+ * An argument to a macro (multiple values = `-column xxx yyy').
*/
-
-/* What follows is a list of ALL possible macros. */
-
-#define MDOC_Ap 0
-#define MDOC_Dd 1
-#define MDOC_Dt 2
-#define MDOC_Os 3
-#define MDOC_Sh 4
-#define MDOC_Ss 5
-#define MDOC_Pp 6
-#define MDOC_D1 7
-#define MDOC_Dl 8
-#define MDOC_Bd 9
-#define MDOC_Ed 10
-#define MDOC_Bl 11
-#define MDOC_El 12
-#define MDOC_It 13
-#define MDOC_Ad 14
-#define MDOC_An 15
-#define MDOC_Ar 16
-#define MDOC_Cd 17
-#define MDOC_Cm 18
-#define MDOC_Dv 19
-#define MDOC_Er 20
-#define MDOC_Ev 21
-#define MDOC_Ex 22
-#define MDOC_Fa 23
-#define MDOC_Fd 24
-#define MDOC_Fl 25
-#define MDOC_Fn 26
-#define MDOC_Ft 27
-#define MDOC_Ic 28
-#define MDOC_In 29
-#define MDOC_Li 30
-#define MDOC_Nd 31
-#define MDOC_Nm 32
-#define MDOC_Op 33
-#define MDOC_Ot 34
-#define MDOC_Pa 35
-#define MDOC_Rv 36
-#define MDOC_St 37
-#define MDOC_Va 38
-#define MDOC_Vt 39
-#define MDOC_Xr 40
-#define MDOC__A 41
-#define MDOC__B 42
-#define MDOC__D 43
-#define MDOC__I 44
-#define MDOC__J 45
-#define MDOC__N 46
-#define MDOC__O 47
-#define MDOC__P 48
-#define MDOC__R 49
-#define MDOC__T 50
-#define MDOC__V 51
-#define MDOC_Ac 52
-#define MDOC_Ao 53
-#define MDOC_Aq 54
-#define MDOC_At 55
-#define MDOC_Bc 56
-#define MDOC_Bf 57
-#define MDOC_Bo 58
-#define MDOC_Bq 59
-#define MDOC_Bsx 60
-#define MDOC_Bx 61
-#define MDOC_Db 62
-#define MDOC_Dc 63
-#define MDOC_Do 64
-#define MDOC_Dq 65
-#define MDOC_Ec 66
-#define MDOC_Ef 67
-#define MDOC_Em 68
-#define MDOC_Eo 69
-#define MDOC_Fx 70
-#define MDOC_Ms 71
-#define MDOC_No 72
-#define MDOC_Ns 73
-#define MDOC_Nx 74
-#define MDOC_Ox 75
-#define MDOC_Pc 76
-#define MDOC_Pf 77
-#define MDOC_Po 78
-#define MDOC_Pq 79
-#define MDOC_Qc 80
-#define MDOC_Ql 81
-#define MDOC_Qo 82
-#define MDOC_Qq 83
-#define MDOC_Re 84
-#define MDOC_Rs 85
-#define MDOC_Sc 86
-#define MDOC_So 87
-#define MDOC_Sq 88
-#define MDOC_Sm 89
-#define MDOC_Sx 90
-#define MDOC_Sy 91
-#define MDOC_Tn 92
-#define MDOC_Ux 93
-#define MDOC_Xc 94
-#define MDOC_Xo 95
-#define MDOC_Fo 96
-#define MDOC_Fc 97
-#define MDOC_Oo 98
-#define MDOC_Oc 99
-#define MDOC_Bk 100
-#define MDOC_Ek 101
-#define MDOC_Bt 102
-#define MDOC_Hf 103
-#define MDOC_Fr 104
-#define MDOC_Ud 105
-#define MDOC_Lb 106
-#define MDOC_Lp 107
-#define MDOC_Lk 108
-#define MDOC_Mt 109
-#define MDOC_Brq 110
-#define MDOC_Bro 111
-#define MDOC_Brc 112
-#define MDOC__C 113
-#define MDOC_Es 114
-#define MDOC_En 115
-#define MDOC_Dx 116
-#define MDOC__Q 117
-#define MDOC_MAX 118
-
-/* What follows is a list of ALL possible macro arguments. */
-
-#define MDOC_Split 0
-#define MDOC_Nosplit 1
-#define MDOC_Ragged 2
-#define MDOC_Unfilled 3
-#define MDOC_Literal 4
-#define MDOC_File 5
-#define MDOC_Offset 6
-#define MDOC_Bullet 7
-#define MDOC_Dash 8
-#define MDOC_Hyphen 9
-#define MDOC_Item 10
-#define MDOC_Enum 11
-#define MDOC_Tag 12
-#define MDOC_Diag 13
-#define MDOC_Hang 14
-#define MDOC_Ohang 15
-#define MDOC_Inset 16
-#define MDOC_Column 17
-#define MDOC_Width 18
-#define MDOC_Compact 19
-#define MDOC_Std 20
-#define MDOC_Filled 21
-#define MDOC_Words 22
-#define MDOC_Emphasis 23
-#define MDOC_Symbolic 24
-#define MDOC_Nested 25
-#define MDOC_ARG_MAX 26
-
-/* Warnings are either syntax or groff-compatibility. */
-enum mdoc_warn {
- WARN_SYNTAX,
- WARN_COMPAT
-};
-
-/* Type of a syntax node. */
-enum mdoc_type {
- MDOC_TEXT,
- MDOC_ELEM,
- MDOC_HEAD,
- MDOC_TAIL,
- MDOC_BODY,
- MDOC_BLOCK,
- MDOC_ROOT
-};
-
-/* Section (named/unnamed) of `Sh'. */
-enum mdoc_sec {
- SEC_PROLOGUE = 0,
- SEC_BODY = 1,
- SEC_NAME = 2,
- SEC_LIBRARY = 3,
- SEC_SYNOPSIS = 4,
- SEC_DESCRIPTION = 5,
- SEC_IMPLEMENTATION = 6,
- SEC_RETURN_VALUES = 7,
- SEC_ENVIRONMENT = 8,
- SEC_FILES = 9,
- SEC_EXAMPLES = 10,
- SEC_DIAGNOSTICS = 11,
- SEC_COMPATIBILITY = 12,
- SEC_ERRORS = 13,
- SEC_SEE_ALSO = 14,
- SEC_STANDARDS = 15,
- SEC_HISTORY = 16,
- SEC_AUTHORS = 17,
- SEC_CAVEATS = 18,
- SEC_BUGS = 19,
- SEC_CUSTOM
-};
-
-/* Information from prologue. */
-struct mdoc_meta {
- int msec;
- char *vol;
- char *arch;
- time_t date;
- char *title;
- char *os;
- char *name;
-};
-
-/* An argument to a macro (multiple values = `It -column'). */
struct mdoc_argv {
- int arg;
+ enum mdocargt arg; /* type of argument */
int line;
int pos;
- size_t sz;
- char **value;
+ size_t sz; /* elements in "value" */
+ char **value; /* argument strings */
};
-struct mdoc_arg {
+/*
+ * Reference-counted macro arguments. These are refcounted because
+ * blocks have multiple instances of the same arguments spread across
+ * the HEAD, BODY, TAIL, and BLOCK node types.
+ */
+struct mdoc_arg {
size_t argc;
struct mdoc_argv *argv;
unsigned int refcnt;
};
-/* Node in AST. */
-struct mdoc_node {
- struct mdoc_node *parent;
- struct mdoc_node *child;
- struct mdoc_node *next;
- struct mdoc_node *prev;
- int line;
- int pos;
- int tok;
- int flags;
-#define MDOC_VALID (1 << 0)
-#define MDOC_ACTED (1 << 1)
- enum mdoc_type type;
- enum mdoc_sec sec;
-
- /* FIXME: union/struct this with #defines. */
- struct mdoc_arg *args; /* BLOCK/ELEM */
- struct mdoc_node *head; /* BLOCK */
- struct mdoc_node *body; /* BLOCK */
- struct mdoc_node *tail; /* BLOCK */
- char *string; /* TEXT */
+enum mdoc_list {
+ LIST__NONE = 0,
+ LIST_bullet, /* -bullet */
+ LIST_column, /* -column */
+ LIST_dash, /* -dash */
+ LIST_diag, /* -diag */
+ LIST_enum, /* -enum */
+ LIST_hang, /* -hang */
+ LIST_hyphen, /* -hyphen */
+ LIST_inset, /* -inset */
+ LIST_item, /* -item */
+ LIST_ohang, /* -ohang */
+ LIST_tag, /* -tag */
+ LIST_MAX
};
-#define MDOC_IGN_SCOPE (1 << 0) /* Ignore scope violations. */
-#define MDOC_IGN_ESCAPE (1 << 1) /* Ignore bad escape sequences. */
-#define MDOC_IGN_MACRO (1 << 2) /* Ignore unknown macros. */
-#define MDOC_IGN_CHARS (1 << 3) /* Ignore disallowed chars. */
-
-/* Call-backs for parse messages. */
-struct mdoc_cb {
- int (*mdoc_err)(void *, int, int, const char *);
- int (*mdoc_warn)(void *, int, int,
- enum mdoc_warn, const char *);
+enum mdoc_disp {
+ DISP__NONE = 0,
+ DISP_centered, /* -centered */
+ DISP_ragged, /* -ragged */
+ DISP_unfilled, /* -unfilled */
+ DISP_filled, /* -filled */
+ DISP_literal /* -literal */
};
-/* Global table of macro names (`Bd', `Ed', etc.). */
-extern const char *const *mdoc_macronames;
-
-/* Global table of argument names (`column', `tag', etc.). */
-extern const char *const *mdoc_argnames;
-
-__BEGIN_DECLS
-
-struct mdoc;
-
-/* Free memory allocated with mdoc_alloc. */
-void mdoc_free(struct mdoc *);
-
-/* Allocate a new parser instance. */
-struct mdoc *mdoc_alloc(void *, int, const struct mdoc_cb *);
+enum mdoc_auth {
+ AUTH__NONE = 0,
+ AUTH_split, /* -split */
+ AUTH_nosplit /* -nosplit */
+};
-/* Gets system ready for another parse. */
-int mdoc_reset(struct mdoc *);
+enum mdoc_font {
+ FONT__NONE = 0,
+ FONT_Em, /* Em, -emphasis */
+ FONT_Li, /* Li, -literal */
+ FONT_Sy /* Sy, -symbolic */
+};
-/* Parse a single line in a stream (boolean retval). */
-int mdoc_parseln(struct mdoc *, int, char *buf);
+struct mdoc_bd {
+ const char *offs; /* -offset */
+ enum mdoc_disp type; /* -ragged, etc. */
+ int comp; /* -compact */
+};
-/* Get result first node (after mdoc_endparse!). */
-const struct mdoc_node *mdoc_node(const struct mdoc *);
+struct mdoc_bl {
+ const char *width; /* -width */
+ const char *offs; /* -offset */
+ enum mdoc_list type; /* -tag, -enum, etc. */
+ int comp; /* -compact */
+ size_t ncols; /* -column arg count */
+ const char **cols; /* -column val ptr */
+ int count; /* -enum counter */
+};
-/* Get result meta-information (after mdoc_endparse!). */
-const struct mdoc_meta *mdoc_meta(const struct mdoc *);
+struct mdoc_bf {
+ enum mdoc_font font; /* font */
+};
-/* Signal end of parse sequence (boolean retval). */
-int mdoc_endparse(struct mdoc *);
+struct mdoc_an {
+ enum mdoc_auth auth; /* -split, etc. */
+};
-/* The following are utility functions. */
+struct mdoc_rs {
+ int quote_T; /* whether to quote %T */
+};
-const char *mdoc_a2att(const char *);
-const char *mdoc_a2lib(const char *);
-const char *mdoc_a2st(const char *);
+/*
+ * Consists of normalised node arguments. These should be used instead
+ * of iterating through the mdoc_arg pointers of a node: defaults are
+ * provided, etc.
+ */
+union mdoc_data {
+ struct mdoc_an An;
+ struct mdoc_bd Bd;
+ struct mdoc_bf Bf;
+ struct mdoc_bl Bl;
+ struct roff_node *Es;
+ struct mdoc_rs Rs;
+};
-__END_DECLS
+/* Names of macro args. Index is enum mdocargt. */
+extern const char *const *mdoc_argnames;
-#endif /*!MDOC_H*/
+void mdoc_validate(struct roff_man *);