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/* $OpenBSD$ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2013, 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 AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* 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.
*/
struct mdoc_arg;
union mdoc_data;
enum roff_macroset {
MACROSET_NONE = 0,
MACROSET_MDOC,
MACROSET_MAN
};
enum roff_sec {
SEC_NONE = 0,
SEC_NAME,
SEC_LIBRARY,
SEC_SYNOPSIS,
SEC_DESCRIPTION,
SEC_CONTEXT,
SEC_IMPLEMENTATION, /* IMPLEMENTATION NOTES */
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,
SEC__MAX
};
enum roff_type {
ROFFT_ROOT,
ROFFT_BLOCK,
ROFFT_HEAD,
ROFFT_BODY,
ROFFT_TAIL,
ROFFT_ELEM,
ROFFT_TEXT,
ROFFT_TBL,
ROFFT_EQN
};
enum roff_next {
ROFF_NEXT_SIBLING = 0,
ROFF_NEXT_CHILD
};
/*
* Indicates that a BODY's formatting has ended, but
* the scope is still open. Used for badly nested blocks.
*/
enum mdoc_endbody {
ENDBODY_NOT = 0,
ENDBODY_SPACE, /* Is broken: append a space. */
ENDBODY_NOSPACE /* Is broken: don't append a space. */
};
struct roff_node {
struct roff_node *parent; /* Parent AST node. */
struct roff_node *child; /* First child AST node. */
struct roff_node *last; /* Last child AST node. */
struct roff_node *next; /* Sibling AST node. */
struct roff_node *prev; /* Prior sibling AST node. */
struct roff_node *head; /* BLOCK */
struct roff_node *body; /* BLOCK/ENDBODY */
struct roff_node *tail; /* BLOCK */
struct mdoc_arg *args; /* BLOCK/ELEM */
union mdoc_data *norm; /* Normalized arguments. */
char *string; /* TEXT */
const struct tbl_span *span; /* TBL */
const struct eqn *eqn; /* EQN */
int nchild; /* Number of child nodes. */
int line; /* Input file line number. */
int pos; /* Input file column number. */
int tok; /* Request or macro ID. */
#define TOKEN_NONE (-1) /* No request or macro. */
int flags;
#define MDOC_VALID (1 << 0) /* Has been validated. */
#define MDOC_ENDED (1 << 1) /* Gone past body end mark. */
#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_BROKEN (1 << 5) /* Must validate parent when ending. */
#define MDOC_DELIMO (1 << 6)
#define MDOC_DELIMC (1 << 7)
#define MAN_VALID MDOC_VALID
#define MAN_EOS MDOC_EOS
#define MAN_LINE MDOC_LINE
int prev_font; /* Before entering this node. */
int aux; /* Decoded node data, type-dependent. */
enum roff_type type; /* AST node type. */
enum roff_sec sec; /* Current named section. */
enum mdoc_endbody end; /* BODY */
};
struct roff_meta {
char *msec; /* Manual section, usually a digit. */
char *vol; /* Manual volume title. */
char *os; /* Operating system. */
char *arch; /* Machine architecture. */
char *title; /* Manual title, usually CAPS. */
char *name; /* Leading manual name. */
char *date; /* Normalized date. */
int hasbody; /* Document is not empty. */
};
struct roff_man {
struct roff_meta meta; /* Document meta-data. */
struct mparse *parse; /* Parse pointer. */
struct roff *roff; /* Roff parser state data. */
const char *defos; /* Default operating system. */
struct roff_node *first; /* The first node parsed. */
struct roff_node *last; /* The last node parsed. */
struct roff_node *last_es; /* The most recent Es node. */
int quick; /* Abort parse early. */
int flags; /* Parse flags. */
#define MDOC_LITERAL (1 << 1) /* In a literal scope. */
#define MDOC_PBODY (1 << 2) /* In the document body. */
#define MDOC_NEWLINE (1 << 3) /* First macro/text in a line. */
#define MDOC_PHRASE (1 << 4) /* In a Bl -column phrase. */
#define MDOC_PHRASELIT (1 << 5) /* Literal within a phrase. */
#define MDOC_FREECOL (1 << 6) /* `It' invocation should close. */
#define MDOC_SYNOPSIS (1 << 7) /* SYNOPSIS-style formatting. */
#define MDOC_KEEP (1 << 8) /* In a word keep. */
#define MDOC_SMOFF (1 << 9) /* Spacing is off. */
#define MDOC_NODELIMC (1 << 10) /* Disable closing delimiter handling. */
#define MAN_ELINE (1 << 11) /* Next-line element scope. */
#define MAN_BLINE (1 << 12) /* Next-line block scope. */
#define MDOC_PHRASEQF (1 << 13) /* Quote first word encountered. */
#define MDOC_PHRASEQL (1 << 14) /* Quote last word of this phrase. */
#define MDOC_PHRASEQN (1 << 15) /* Quote first word of the next phrase. */
#define MAN_LITERAL MDOC_LITERAL
#define MAN_NEWLINE MDOC_NEWLINE
enum roff_macroset macroset; /* Kind of high-level macros used. */
enum roff_sec lastsec; /* Last section seen. */
enum roff_sec lastnamed; /* Last standard section seen. */
enum roff_next next; /* Where to put the next node. */
};
__BEGIN_DECLS
void deroff(char **, const struct roff_node *);
__END_DECLS
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