=================================================================== RCS file: /cvs/mandoc/mandoc.h,v retrieving revision 1.74 retrieving revision 1.126 diff -u -p -r1.74 -r1.126 --- mandoc/mandoc.h 2011/04/30 22:24:31 1.74 +++ mandoc/mandoc.h 2014/07/02 03:48:07 1.126 @@ -1,6 +1,7 @@ -/* $Id: mandoc.h,v 1.74 2011/04/30 22:24:31 kristaps Exp $ */ +/* $Id: mandoc.h,v 1.126 2014/07/02 03:48:07 schwarze Exp $ */ /* * Copyright (c) 2010, 2011 Kristaps Dzonsons + * Copyright (c) 2010-2014 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -19,6 +20,7 @@ #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 @@ -47,28 +49,31 @@ enum mandocerr { 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_MACRO_OBS, /* obsolete macro: macro */ MANDOCERR_IGNPAR, /* skipping paragraph macro */ + MANDOCERR_MOVEPAR, /* moving paragraph macro out of list */ MANDOCERR_IGNNS, /* skipping no-space macro */ MANDOCERR_SCOPENEST, /* blocks badly nested */ MANDOCERR_CHILD, /* child violates parent syntax */ @@ -101,11 +106,18 @@ enum mandocerr { 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 */ @@ -119,10 +131,12 @@ enum mandocerr { 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_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 */ @@ -131,27 +145,34 @@ enum mandocerr { 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; @@ -166,20 +187,14 @@ struct tbl { 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; }; @@ -194,8 +209,6 @@ enum tbl_cellt { TBL_CELL_DOWN, /* ^ */ TBL_CELL_HORIZ, /* _, - */ TBL_CELL_DHORIZ, /* = */ - TBL_CELL_VERT, /* | */ - TBL_CELL_DVERT, /* || */ TBL_CELL_MAX }; @@ -204,6 +217,7 @@ enum tbl_cellt { */ struct tbl_cell { struct tbl_cell *next; + int vert; /* width of preceding vertical line */ enum tbl_cellt pos; size_t spacing; int flags; @@ -224,6 +238,7 @@ struct tbl_row { struct tbl_row *next; struct tbl_cell *first; struct tbl_cell *last; + int vert; /* trailing vertical line */ }; enum tbl_datt { @@ -257,7 +272,7 @@ enum tbl_spant { * 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; @@ -270,36 +285,113 @@ struct tbl_span { 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_PREDEF, /* a predefined 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_NOSPACE /* suppress space if the last on a line */ + 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, @@ -312,29 +404,27 @@ 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); - -enum mandoc_esc mandoc_escape(const char **, const char **, int *); - -struct mchars *mchars_alloc(void); -char mchars_num2char(const char *, size_t); -const char *mchars_spec2str(struct mchars *, const char *, size_t, size_t *); -int mchars_spec2cp(struct mchars *, const char *, size_t); -const char *mchars_res2str(struct mchars *, const char *, size_t, size_t *); -int mchars_res2cp(struct mchars *, const char *, size_t); -void mchars_free(struct mchars *); - __END_DECLS