-/* $Id: mdoc.h,v 1.55 2009/04/12 19:19:57 kristaps Exp $ */
+/* $Id: mdoc.h,v 1.102 2010/07/21 09:08:26 kristaps Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ * Copyright (c) 2008, 2009, 2010 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 copyright notice and this permission notice appear in all
- * copies.
+ * 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.
+ * 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.
*/
#ifndef MDOC_H
#define MDOC_H
-#include <time.h>
-
/*
* This library implements a validating scanner/parser for ``mdoc'' roff
* macro documents, a.k.a. BSD manual page documents. The mdoc.c file
/* What follows is a list of ALL possible macros. */
-#define MDOC___ 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_Ap 107
-#define MDOC_Lp 108
-#define MDOC_Lk 109
-#define MDOC_Mt 110
-#define MDOC_Brq 111
-#define MDOC_Bro 112
-#define MDOC_Brc 113
-#define MDOC__C 114
-#define MDOC_Es 115
-#define MDOC_En 116
-#define MDOC_Dx 117
-#define MDOC__Q 118
-#define MDOC_MAX 119
+enum mdoct {
+ MDOC_Ap = 0,
+ MDOC_Dd,
+ MDOC_Dt,
+ MDOC_Os,
+ MDOC_Sh,
+ MDOC_Ss,
+ MDOC_Pp,
+ MDOC_D1,
+ MDOC_Dl,
+ MDOC_Bd,
+ MDOC_Ed,
+ MDOC_Bl,
+ MDOC_El,
+ MDOC_It,
+ MDOC_Ad,
+ MDOC_An,
+ MDOC_Ar,
+ MDOC_Cd,
+ MDOC_Cm,
+ MDOC_Dv,
+ MDOC_Er,
+ MDOC_Ev,
+ MDOC_Ex,
+ MDOC_Fa,
+ MDOC_Fd,
+ MDOC_Fl,
+ MDOC_Fn,
+ MDOC_Ft,
+ MDOC_Ic,
+ MDOC_In,
+ MDOC_Li,
+ MDOC_Nd,
+ MDOC_Nm,
+ MDOC_Op,
+ MDOC_Ot,
+ MDOC_Pa,
+ MDOC_Rv,
+ MDOC_St,
+ MDOC_Va,
+ MDOC_Vt,
+ MDOC_Xr,
+ MDOC__A,
+ MDOC__B,
+ MDOC__D,
+ MDOC__I,
+ MDOC__J,
+ MDOC__N,
+ MDOC__O,
+ MDOC__P,
+ MDOC__R,
+ MDOC__T,
+ MDOC__V,
+ MDOC_Ac,
+ MDOC_Ao,
+ MDOC_Aq,
+ MDOC_At,
+ MDOC_Bc,
+ MDOC_Bf,
+ MDOC_Bo,
+ MDOC_Bq,
+ MDOC_Bsx,
+ MDOC_Bx,
+ MDOC_Db,
+ MDOC_Dc,
+ MDOC_Do,
+ MDOC_Dq,
+ MDOC_Ec,
+ MDOC_Ef,
+ MDOC_Em,
+ MDOC_Eo,
+ MDOC_Fx,
+ MDOC_Ms,
+ MDOC_No,
+ MDOC_Ns,
+ MDOC_Nx,
+ MDOC_Ox,
+ MDOC_Pc,
+ MDOC_Pf,
+ MDOC_Po,
+ MDOC_Pq,
+ MDOC_Qc,
+ MDOC_Ql,
+ MDOC_Qo,
+ MDOC_Qq,
+ MDOC_Re,
+ MDOC_Rs,
+ MDOC_Sc,
+ MDOC_So,
+ MDOC_Sq,
+ MDOC_Sm,
+ MDOC_Sx,
+ MDOC_Sy,
+ MDOC_Tn,
+ MDOC_Ux,
+ MDOC_Xc,
+ MDOC_Xo,
+ MDOC_Fo,
+ MDOC_Fc,
+ MDOC_Oo,
+ MDOC_Oc,
+ MDOC_Bk,
+ MDOC_Ek,
+ MDOC_Bt,
+ MDOC_Hf,
+ MDOC_Fr,
+ MDOC_Ud,
+ MDOC_Lb,
+ MDOC_Lp,
+ MDOC_Lk,
+ MDOC_Mt,
+ MDOC_Brq,
+ MDOC_Bro,
+ MDOC_Brc,
+ MDOC__C,
+ MDOC_Es,
+ MDOC_En,
+ MDOC_Dx,
+ MDOC__Q,
+ MDOC_br,
+ MDOC_sp,
+ MDOC__U,
+ MDOC_Ta,
+ MDOC_MAX
+};
/* 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
+enum mdocargt {
+ MDOC_Split,
+ MDOC_Nosplit,
+ MDOC_Ragged,
+ MDOC_Unfilled,
+ MDOC_Literal,
+ MDOC_File,
+ MDOC_Offset,
+ MDOC_Bullet,
+ MDOC_Dash,
+ MDOC_Hyphen,
+ MDOC_Item,
+ MDOC_Enum,
+ MDOC_Tag,
+ MDOC_Diag,
+ MDOC_Hang,
+ MDOC_Ohang,
+ MDOC_Inset,
+ MDOC_Column,
+ MDOC_Width,
+ MDOC_Compact,
+ MDOC_Std,
+ MDOC_Filled,
+ MDOC_Words,
+ MDOC_Emphasis,
+ MDOC_Symbolic,
+ MDOC_Nested,
+ MDOC_Centred,
+ MDOC_ARG_MAX
};
/* Type of a syntax node. */
/* 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
+ SEC_NONE, /* No section, yet. */
+ SEC_NAME,
+ SEC_LIBRARY,
+ SEC_SYNOPSIS,
+ SEC_DESCRIPTION,
+ SEC_IMPLEMENTATION,
+ SEC_RETURN_VALUES,
+ SEC_ENVIRONMENT,
+ SEC_FILES,
+ SEC_EXIT_STATUS,
+ SEC_EXAMPLES,
+ SEC_DIAGNOSTICS,
+ SEC_COMPATIBILITY,
+ SEC_ERRORS,
+ SEC_SEE_ALSO,
+ SEC_STANDARDS,
+ SEC_HISTORY,
+ SEC_AUTHORS,
+ SEC_CAVEATS,
+ SEC_BUGS,
+ SEC_SECURITY,
+ SEC_CUSTOM, /* User-defined. */
+ SEC__MAX
};
/* Information from prologue. */
struct mdoc_meta {
- int msec;
+ char *msec;
char *vol;
char *arch;
time_t date;
/* An argument to a macro (multiple values = `It -column'). */
struct mdoc_argv {
- int arg;
+ enum mdocargt arg;
int line;
int pos;
size_t sz;
unsigned int refcnt;
};
+enum mdoc_endbody {
+ ENDBODY_NOT = 0,
+ ENDBODY_SPACE,
+ ENDBODY_NOSPACE
+};
+
+enum mdoc_list {
+ LIST__NONE = 0,
+ LIST_bullet,
+ LIST_column,
+ LIST_dash,
+ LIST_diag,
+ LIST_enum,
+ LIST_hang,
+ LIST_hyphen,
+ LIST_inset,
+ LIST_item,
+ LIST_ohang,
+ LIST_tag
+};
+
+enum mdoc_disp {
+ DISP__NONE = 0,
+ DISP_centred,
+ DISP_ragged,
+ DISP_unfilled,
+ DISP_filled,
+ DISP_literal
+};
+
+enum mdoc_auth {
+ AUTH__NONE = 0,
+ AUTH_split,
+ AUTH_nosplit
+};
+
+enum mdoc_font {
+ FONT__NONE = 0,
+ FONT_Em,
+ FONT_Li,
+ FONT_Sy
+};
+
+struct mdoc_bd {
+ const char *offs; /* -offset */
+ enum mdoc_disp type; /* -ragged, etc. */
+ int comp; /* -compact */
+};
+
+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 */
+};
+
+struct mdoc_bf {
+ enum mdoc_font font; /* font */
+};
+
+struct mdoc_an {
+ enum mdoc_auth auth; /* -split, etc. */
+};
+
/* 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;
+ struct mdoc_node *parent; /* parent AST node */
+ struct mdoc_node *child; /* first child AST node */
+ struct mdoc_node *next; /* sibling AST node */
+ struct mdoc_node *prev; /* prior sibling AST node */
+ int nchild; /* number children */
+ int line; /* parse line */
+ int pos; /* parse column */
+ enum mdoct tok; /* tok or MDOC__MAX if none */
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. */
+#define MDOC_VALID (1 << 0) /* has been validated */
+#define MDOC_ACTED (1 << 1) /* has been acted upon */
+#define MDOC_EOS (1 << 2) /* at sentence boundary */
+#define MDOC_LINE (1 << 3) /* first macro/text on line */
+#define MDOC_SYNPRETTY (1 << 4) /* SYNOPSIS-style formatting */
+#define MDOC_ENDED (1 << 5) /* rendering has been ended */
+ enum mdoc_type type; /* AST node type */
+ enum mdoc_sec sec; /* current named section */
+ /* FIXME: these can be union'd to shave a few bytes. */
struct mdoc_arg *args; /* BLOCK/ELEM */
+ struct mdoc_node *pending; /* BLOCK */
struct mdoc_node *head; /* BLOCK */
struct mdoc_node *body; /* BLOCK */
struct mdoc_node *tail; /* BLOCK */
char *string; /* TEXT */
+ enum mdoc_endbody end; /* BODY */
+
+ union {
+ struct mdoc_an An;
+ struct mdoc_bd *Bd;
+ struct mdoc_bf *Bf;
+ struct mdoc_bl *Bl;
+ } data;
};
#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 {
- void (*mdoc_msg)(void *, int, int, const char *);
- int (*mdoc_err)(void *, int, int, const char *);
- int (*mdoc_warn)(void *, int, int,
- enum mdoc_warn, const char *);
-};
+/* See mdoc.3 for documentation. */
-/* 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 *);
-
-/* Gets system ready for another parse. */
-int mdoc_reset(struct mdoc *);
+/* See mdoc.3 for documentation. */
-/* Parse a single line in a stream (boolean retval). */
-int mdoc_parseln(struct mdoc *, int, char *buf);
-
-/* Get result first node (after mdoc_endparse!). */
+void mdoc_free(struct mdoc *);
+struct mdoc *mdoc_alloc(struct regset *, void *, int, mandocmsg);
+void mdoc_reset(struct mdoc *);
+int mdoc_parseln(struct mdoc *, int, char *, int);
const struct mdoc_node *mdoc_node(const struct mdoc *);
-
-/* Get result meta-information (after mdoc_endparse!). */
const struct mdoc_meta *mdoc_meta(const struct mdoc *);
-
-/* Signal end of parse sequence (boolean retval). */
int mdoc_endparse(struct mdoc *);
-/* The following are utility functions. */
-
-const char *mdoc_a2att(const char *);
-const char *mdoc_a2lib(const char *);
-const char *mdoc_a2st(const char *);
-
__END_DECLS
#endif /*!MDOC_H*/
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