-/* $Id: mandoc.h,v 1.69 2011/03/28 21:49:42 kristaps Exp $ */
+/* $Id: mandoc.h,v 1.132 2014/07/03 23:24:56 schwarze Exp $ */
/*
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010-2014 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
#define ASCII_NBRSP 31 /* non-breaking space */
#define ASCII_HYPH 30 /* breakable hyphen */
+#define ASCII_BREAK 29 /* breakable zero-width space */
/*
* Status level. This refers to both internal status (i.e., whilst
MANDOCERR_WARNING, /* ===== start of warnings ===== */
/* related to the prologue */
- MANDOCERR_NOTITLE, /* no title in document */
- MANDOCERR_UPPERCASE, /* document title should be all caps */
- MANDOCERR_BADMSEC, /* unknown manual section */
- MANDOCERR_NODATE, /* date missing, using today's date */
- MANDOCERR_BADDATE, /* cannot parse date, using it verbatim */
- MANDOCERR_PROLOGOOO, /* prologue macros out of order */
- MANDOCERR_PROLOGREP, /* duplicate prologue macro */
- MANDOCERR_BADPROLOG, /* macro not allowed in prologue */
- MANDOCERR_BADBODY, /* macro not allowed in body */
+ MANDOCERR_TH_MISSING, /* missing .TH macro, using "unknown 1" */
+ MANDOCERR_TITLE_CASE, /* lower case character in document title */
+ MANDOCERR_MSEC_BAD, /* unknown manual section: section */
+ MANDOCERR_ARCH_BAD, /* unknown manual volume or arch: volume */
+ MANDOCERR_DATE_MISSING, /* missing date, using today's date */
+ MANDOCERR_DATE_BAD, /* cannot parse date, using it verbatim: date */
+ MANDOCERR_PROLOG_ORDER, /* prologue macros out of order: macro */
+ MANDOCERR_PROLOG_REP, /* duplicate prologue macro: macro */
+ MANDOCERR_PROLOG_BAD, /* incomplete prologue, terminated by: macro */
+ MANDOCERR_PROLOG_ONLY, /* skipping prologue macro in body: macro */
/* related to document structure */
- MANDOCERR_SO, /* .so is fragile, better use ln(1) */
- MANDOCERR_NAMESECFIRST, /* NAME section must come first */
- MANDOCERR_BADNAMESEC, /* bad NAME section contents */
- MANDOCERR_NONAME, /* manual name not yet set */
- MANDOCERR_SECOOO, /* sections out of conventional order */
- MANDOCERR_SECREP, /* duplicate section name */
- MANDOCERR_SECMSEC, /* section not in conventional manual section */
+ MANDOCERR_SO, /* .so is fragile, better use ln(1): .so path */
+ MANDOCERR_DOC_EMPTY, /* no document body */
+ MANDOCERR_SEC_BEFORE, /* content before first section header: macro */
+ MANDOCERR_NAMESEC_FIRST, /* first section is not "NAME": title */
+ MANDOCERR_NAMESEC_BAD, /* bad NAME section contents: macro */
+ MANDOCERR_SEC_ORDER, /* sections out of conventional order: title */
+ MANDOCERR_SEC_REP, /* duplicate section title: title */
+ MANDOCERR_SEC_MSEC, /* unexpected section: title for ... only */
/* related to macros and nesting */
- MANDOCERR_MACROOBS, /* skipping obsolete macro */
- MANDOCERR_IGNPAR, /* skipping paragraph macro */
- MANDOCERR_IGNNS, /* skipping no-space macro */
- MANDOCERR_SCOPENEST, /* blocks badly nested */
- MANDOCERR_CHILD, /* child violates parent syntax */
- MANDOCERR_NESTEDDISP, /* nested displays are not portable */
- MANDOCERR_SCOPEREP, /* already in literal mode */
- MANDOCERR_LINESCOPE, /* line scope broken */
-
- /* related to missing macro arguments */
- MANDOCERR_MACROEMPTY, /* skipping empty macro */
+ MANDOCERR_MACRO_OBS, /* obsolete macro: macro */
+ MANDOCERR_PAR_SKIP, /* skipping paragraph macro: macro ... */
+ MANDOCERR_PAR_MOVE, /* moving paragraph macro out of list: macro */
+ MANDOCERR_NS_SKIP, /* skipping no-space macro */
+ MANDOCERR_BLOCK_NEST, /* blocks badly nested: macro ... */
+ MANDOCERR_BD_NEST, /* nested displays are not portable: macro ... */
+ MANDOCERR_BL_MOVE, /* moving content out of list: macro */
+ MANDOCERR_VT_CHILD, /* .Vt block has child macro: macro */
+ MANDOCERR_FI_SKIP, /* fill mode already enabled, skipping .fi */
+ MANDOCERR_NF_SKIP, /* fill mode already disabled, skipping .nf */
+ MANDOCERR_LINESCOPE, /* line scope broken: macro breaks macro */
+
+ /* related to missing arguments */
+ MANDOCERR_REQ_EMPTY, /* skipping empty request: request */
+ MANDOCERR_COND_EMPTY, /* conditional request controls empty scope */
+ MANDOCERR_MACRO_EMPTY, /* skipping empty macro: macro */
MANDOCERR_ARGCWARN, /* argument count wrong */
MANDOCERR_DISPTYPE, /* missing display type */
MANDOCERR_LISTFIRST, /* list type must come first */
MANDOCERR_NOWIDTHARG, /* tag lists require a width argument */
+ MANDOCERR_IT_NOHEAD, /* missing head in list item: type */
MANDOCERR_FONTTYPE, /* missing font type */
- MANDOCERR_WNOSCOPE, /* skipping end of block that is not open */
/* related to bad macro arguments */
MANDOCERR_IGNARGV, /* skipping argument */
MANDOCERR_BADTAB, /* tab in non-literal context */
MANDOCERR_EOLNSPACE, /* end of line whitespace */
MANDOCERR_BADCOMMENT, /* bad comment style */
- MANDOCERR_BADESCAPE, /* unknown escape sequence */
+ MANDOCERR_BADESCAPE, /* bad escape sequence */
MANDOCERR_BADQUOTE, /* unterminated quoted string */
MANDOCERR_ERROR, /* ===== start of errors ===== */
+ /* related to equations */
+ MANDOCERR_EQNNSCOPE, /* unexpected equation scope closure*/
+ MANDOCERR_EQNSCOPE, /* equation scope open on exit */
+ MANDOCERR_EQNBADSCOPE, /* overlapping equation scopes */
+ MANDOCERR_EQNEOF, /* unexpected end of equation */
+ MANDOCERR_EQNSYNT, /* equation syntax error */
+
/* related to tables */
MANDOCERR_TBL, /* bad table syntax */
MANDOCERR_TBLOPT, /* bad table option */
MANDOCERR_ROFFLOOP, /* input stack limit exceeded, infinite loop? */
MANDOCERR_BADCHAR, /* skipping bad character */
MANDOCERR_NAMESC, /* escaped character not allowed in a name */
- MANDOCERR_NOTEXT, /* skipping text before the first section header */
+ MANDOCERR_NONAME, /* manual name not yet set */
+ MANDOCERR_NOTEXT, /* skipping text before first section header */
MANDOCERR_MACRO, /* skipping unknown macro */
MANDOCERR_REQUEST, /* NOT IMPLEMENTED: skipping request */
MANDOCERR_ARGCOUNT, /* argument count wrong */
+ MANDOCERR_RS_SKIP, /* skipping invalid content in .Rs block: macro */
+ MANDOCERR_STRAYTA, /* skipping column outside column list */
MANDOCERR_NOSCOPE, /* skipping end of block that is not open */
MANDOCERR_SCOPEBROKEN, /* missing end of block */
MANDOCERR_SCOPEEXIT, /* scope open on exit */
MANDOCERR_UNAME, /* uname(3) system call failed */
/* FIXME: merge following with MANDOCERR_ARGCOUNT */
- MANDOCERR_NOARGS, /* macro requires line argument(s) */
MANDOCERR_NOBODY, /* macro requires body argument(s) */
MANDOCERR_NOARGV, /* macro requires argument(s) */
+ MANDOCERR_NUMERIC, /* request requires a numeric argument */
MANDOCERR_LISTTYPE, /* missing list type */
MANDOCERR_ARGSLOST, /* line argument(s) will be lost */
- MANDOCERR_BODYLOST, /* body argument(s) will be lost */
MANDOCERR_FATAL, /* ===== start of fatal errors ===== */
- MANDOCERR_NOTMANUAL, /* manual isn't really a manual */
+ MANDOCERR_TOOLARGE, /* input too large */
+ MANDOCERR_NOTMANUAL, /* not a manual */
MANDOCERR_COLUMNS, /* column syntax is inconsistent */
MANDOCERR_BADDISP, /* NOT IMPLEMENTED: .Bd -file */
- MANDOCERR_SYNTLINESCOPE, /* line scope broken, syntax violated */
MANDOCERR_SYNTARGVCOUNT, /* argument count wrong, violates syntax */
MANDOCERR_SYNTCHILD, /* child violates parent syntax */
MANDOCERR_SYNTARGCOUNT, /* argument count wrong, violates syntax */
- MANDOCERR_SOPATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
- MANDOCERR_NODOCBODY, /* no document body */
+ MANDOCERR_SO_PATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
+ MANDOCERR_SO_FAIL, /* .so request failed */
MANDOCERR_NODOCPROLOG, /* no document prologue */
MANDOCERR_MEM, /* static buffer exhausted */
+
+ /* ===== system errors ===== */
+
+ MANDOCERR_SYSOPEN, /* cannot open file */
+ MANDOCERR_SYSSTAT, /* cannot stat file */
+ MANDOCERR_SYSREAD, /* cannot read file */
+
MANDOCERR_MAX
};
-struct tbl {
+struct tbl_opts {
char tab; /* cell-separator */
char decimal; /* decimal point */
int linesize;
int cols; /* number of columns */
};
-enum tbl_headt {
- TBL_HEAD_DATA, /* plug in data from tbl_dat */
- TBL_HEAD_VERT, /* vertical spacer */
- TBL_HEAD_DVERT /* double-vertical spacer */
-};
-
/*
* The head of a table specifies all of its columns. When formatting a
* tbl_span, iterate over these and plug in data from the tbl_span when
* appropriate, using tbl_cell as a guide to placement.
*/
struct tbl_head {
- enum tbl_headt pos;
int ident; /* 0 <= unique id < cols */
+ int vert; /* width of preceding vertical line */
struct tbl_head *next;
struct tbl_head *prev;
};
TBL_CELL_DOWN, /* ^ */
TBL_CELL_HORIZ, /* _, - */
TBL_CELL_DHORIZ, /* = */
- TBL_CELL_VERT, /* | */
- TBL_CELL_DVERT, /* || */
TBL_CELL_MAX
};
*/
struct tbl_cell {
struct tbl_cell *next;
+ int vert; /* width of preceding vertical line */
enum tbl_cellt pos;
size_t spacing;
int flags;
struct tbl_row *next;
struct tbl_cell *first;
struct tbl_cell *last;
+ int vert; /* trailing vertical line */
};
enum tbl_datt {
* A row of data in a table.
*/
struct tbl_span {
- struct tbl *tbl;
+ struct tbl_opts *opts;
struct tbl_head *head;
struct tbl_row *layout; /* layout row */
struct tbl_dat *first;
struct tbl_span *next;
};
+enum eqn_boxt {
+ EQN_ROOT, /* root of parse tree */
+ EQN_TEXT, /* text (number, variable, whatever) */
+ EQN_SUBEXPR, /* nested `eqn' subexpression */
+ EQN_LIST, /* subexpressions list */
+ EQN_MATRIX /* matrix subexpression */
+};
+
+enum eqn_markt {
+ EQNMARK_NONE = 0,
+ EQNMARK_DOT,
+ EQNMARK_DOTDOT,
+ EQNMARK_HAT,
+ EQNMARK_TILDE,
+ EQNMARK_VEC,
+ EQNMARK_DYAD,
+ EQNMARK_BAR,
+ EQNMARK_UNDER,
+ EQNMARK__MAX
+};
+
+enum eqn_fontt {
+ EQNFONT_NONE = 0,
+ EQNFONT_ROMAN,
+ EQNFONT_BOLD,
+ EQNFONT_FAT,
+ EQNFONT_ITALIC,
+ EQNFONT__MAX
+};
+
+enum eqn_post {
+ EQNPOS_NONE = 0,
+ EQNPOS_OVER,
+ EQNPOS_SUP,
+ EQNPOS_SUB,
+ EQNPOS_TO,
+ EQNPOS_FROM,
+ EQNPOS__MAX
+};
+
+enum eqn_pilet {
+ EQNPILE_NONE = 0,
+ EQNPILE_PILE,
+ EQNPILE_CPILE,
+ EQNPILE_RPILE,
+ EQNPILE_LPILE,
+ EQNPILE_COL,
+ EQNPILE_CCOL,
+ EQNPILE_RCOL,
+ EQNPILE_LCOL,
+ EQNPILE__MAX
+};
+
+ /*
+ * A "box" is a parsed mathematical expression as defined by the eqn.7
+ * grammar.
+ */
+struct eqn_box {
+ int size; /* font size of expression */
+#define EQN_DEFSIZE INT_MIN
+ enum eqn_boxt type; /* type of node */
+ struct eqn_box *first; /* first child node */
+ struct eqn_box *last; /* last child node */
+ struct eqn_box *next; /* node sibling */
+ struct eqn_box *parent; /* node sibling */
+ char *text; /* text (or NULL) */
+ char *left;
+ char *right;
+ enum eqn_post pos; /* position of next box */
+ enum eqn_markt mark; /* a mark about the box */
+ enum eqn_fontt font; /* font of box */
+ enum eqn_pilet pile; /* equation piling */
+};
+
+/*
+ * An equation consists of a tree of expressions starting at a given
+ * line and position.
+ */
struct eqn {
- size_t sz;
- char *data;
- int line; /* invocation line */
+ char *name; /* identifier (or NULL) */
+ struct eqn_box *root; /* root mathematical expression */
+ int ln; /* invocation line */
int pos; /* invocation position */
};
/*
- * The type of parse sequence. This value is usually passed via the
- * mandoc(1) command line of -man and -mdoc. It's almost exclusively
- * -mandoc but the others have been retained for compatibility.
+ * Parse options.
*/
-enum mparset {
- MPARSE_AUTO, /* magically determine the document type */
- MPARSE_MDOC, /* assume -mdoc */
- MPARSE_MAN /* assume -man */
+#define MPARSE_MDOC 1 /* assume -mdoc */
+#define MPARSE_MAN 2 /* assume -man */
+#define MPARSE_SO 4 /* honour .so requests */
+#define MPARSE_QUICK 8 /* abort the parse early */
+
+enum mandoc_esc {
+ ESCAPE_ERROR = 0, /* bail! unparsable escape */
+ ESCAPE_IGNORE, /* escape to be ignored */
+ ESCAPE_SPECIAL, /* a regular special character */
+ ESCAPE_FONT, /* a generic font mode */
+ ESCAPE_FONTBOLD, /* bold font mode */
+ ESCAPE_FONTITALIC, /* italic font mode */
+ ESCAPE_FONTBI, /* bold italic font mode */
+ ESCAPE_FONTROMAN, /* roman font mode */
+ ESCAPE_FONTPREV, /* previous font mode */
+ ESCAPE_NUMBERED, /* a numbered glyph */
+ ESCAPE_UNICODE, /* a unicode codepoint */
+ ESCAPE_NOSPACE, /* suppress space if the last on a line */
+ ESCAPE_SKIPCHAR /* skip the next character */
};
typedef void (*mandocmsg)(enum mandocerr, enum mandoclevel,
const char *, int, int, const char *);
struct mparse;
+struct mchars;
struct mdoc;
struct man;
__BEGIN_DECLS
+enum mandoc_esc mandoc_escape(const char **, const char **, int *);
+struct mchars *mchars_alloc(void);
+void mchars_free(struct mchars *);
+char mchars_num2char(const char *, size_t);
+int mchars_num2uc(const char *, size_t);
+int mchars_spec2cp(const struct mchars *,
+ const char *, size_t);
+const char *mchars_spec2str(const struct mchars *,
+ const char *, size_t, size_t *);
+struct mparse *mparse_alloc(int, enum mandoclevel, mandocmsg, char *);
void mparse_free(struct mparse *);
-void mparse_reset(struct mparse *);
-struct mparse *mparse_alloc(enum mparset,
- enum mandoclevel, mandocmsg, void *);
+void mparse_keep(struct mparse *);
enum mandoclevel mparse_readfd(struct mparse *, int, const char *);
-void mparse_result(struct mparse *, struct mdoc **, struct man **);
+enum mandoclevel mparse_readmem(struct mparse *, const void *, size_t,
+ const char *);
+void mparse_reset(struct mparse *);
+void mparse_result(struct mparse *,
+ struct mdoc **, struct man **, char **);
+const char *mparse_getkeep(const struct mparse *);
const char *mparse_strerror(enum mandocerr);
const char *mparse_strlevel(enum mandoclevel);
-void *mandoc_calloc(size_t, size_t);
-void *mandoc_malloc(size_t);
-void *mandoc_realloc(void *, size_t);
-
__END_DECLS
#endif /*!MANDOC_H*/
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