/* $Id$ */
/*
* Copyright (c) 2012-2022 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2010, 2011, 2014 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.
*
* 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.
*
* Error handling, escape sequence, and character utilities.
* Can be used by all code in the mandoc package.
*/
#define ASCII_NBRSP 31 /* non-breaking space */
#define ASCII_NBRZW 30 /* non-breaking zero-width space */
#define ASCII_BREAK 29 /* breakable zero-width space */
#define ASCII_HYPH 28 /* breakable hyphen */
#define ASCII_ESC 27 /* escape sequence from copy-in processing */
#define ASCII_TABREF 26 /* reset tab reference position */
/*
* Status level. This refers to both internal status (i.e., whilst
* running, when warnings/errors are reported) and an indicator of a
* threshold of when to halt (when said internal state exceeds the
* threshold).
*/
enum mandoclevel {
MANDOCLEVEL_OK = 0,
MANDOCLEVEL_STYLE, /* style suggestions */
MANDOCLEVEL_WARNING, /* warnings: syntax, whitespace, etc. */
MANDOCLEVEL_ERROR, /* input has been thrown away */
MANDOCLEVEL_UNSUPP, /* input needs unimplemented features */
MANDOCLEVEL_BADARG, /* bad argument in invocation */
MANDOCLEVEL_SYSERR, /* system error */
MANDOCLEVEL_MAX
};
/*
* All possible things that can go wrong within a parse, be it libroff,
* libmdoc, or libman.
*/
enum mandocerr {
MANDOCERR_OK,
MANDOCERR_BASE, /* ===== start of base system conventions ===== */
MANDOCERR_MDOCDATE, /* Mdocdate found: Dd ... */
MANDOCERR_MDOCDATE_MISSING, /* Mdocdate missing: Dd ... */
MANDOCERR_ARCH_BAD, /* unknown architecture: Dt ... arch */
MANDOCERR_OS_ARG, /* operating system explicitly specified: Os ... */
MANDOCERR_RCS_MISSING, /* RCS id missing */
MANDOCERR_STYLE, /* ===== start of style suggestions ===== */
MANDOCERR_DATE_LEGACY, /* legacy man(7) date format: Dd ... */
MANDOCERR_DATE_NORM, /* normalizing date format to: ... */
MANDOCERR_TITLE_CASE, /* lower case character in document title */
MANDOCERR_RCS_REP, /* duplicate RCS id: ... */
MANDOCERR_SEC_TYPO, /* possible typo in section name: Sh ... */
MANDOCERR_ARG_QUOTE, /* unterminated quoted argument */
MANDOCERR_MACRO_USELESS, /* useless macro: macro */
MANDOCERR_BX, /* consider using OS macro: macro */
MANDOCERR_ER_ORDER, /* errnos out of order: Er ... */
MANDOCERR_ER_REP, /* duplicate errno: Er ... */
MANDOCERR_XR_BAD, /* referenced manual not found: Xr name sec */
MANDOCERR_DELIM, /* trailing delimiter: macro ... */
MANDOCERR_DELIM_NB, /* no blank before trailing delimiter: macro ... */
MANDOCERR_FI_SKIP, /* fill mode already enabled, skipping: fi */
MANDOCERR_NF_SKIP, /* fill mode already disabled, skipping: nf */
MANDOCERR_TEXT_LONG, /* input text line longer than 80 bytes */
MANDOCERR_DASHDASH, /* verbatim "--", maybe consider using \(em */
MANDOCERR_FUNC, /* function name without markup: name() */
MANDOCERR_SPACE_EOL, /* whitespace at end of input line */
MANDOCERR_COMMENT_BAD, /* bad comment style */
MANDOCERR_WARNING, /* ===== start of warnings ===== */
/* related to the prologue */
MANDOCERR_DT_NOTITLE, /* missing manual title, using UNTITLED: line */
MANDOCERR_TH_NOTITLE, /* missing manual title, using "": [macro] */
MANDOCERR_MSEC_MISSING, /* missing manual section, using "": macro */
MANDOCERR_MSEC_BAD, /* unknown manual section: Dt ... section */
MANDOCERR_MSEC_FILE, /* filename/section mismatch: ... */
MANDOCERR_DATE_MISSING, /* missing date, using "": [macro] */
MANDOCERR_DATE_BAD, /* cannot parse date, using it verbatim: date */
MANDOCERR_DATE_FUTURE, /* date in the future, using it anyway: date */
MANDOCERR_OS_MISSING, /* missing Os macro, using "" */
MANDOCERR_PROLOG_LATE, /* late prologue macro: macro */
MANDOCERR_PROLOG_ORDER, /* prologue macros out of order: macros */
/* related to document structure */
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: Sh title */
MANDOCERR_NAMESEC_NONM, /* NAME section without Nm before Nd */
MANDOCERR_NAMESEC_NOND, /* NAME section without description */
MANDOCERR_NAMESEC_ND, /* description not at the end of NAME */
MANDOCERR_NAMESEC_BAD, /* bad NAME section content: macro */
MANDOCERR_NAMESEC_PUNCT, /* missing comma before name: Nm name */
MANDOCERR_ND_EMPTY, /* missing description line, using "" */
MANDOCERR_ND_LATE, /* description line outside NAME section */
MANDOCERR_SEC_ORDER, /* sections out of conventional order: Sh title */
MANDOCERR_SEC_REP, /* duplicate section title: Sh title */
MANDOCERR_SEC_MSEC, /* unexpected section: Sh title for ... only */
MANDOCERR_XR_SELF, /* cross reference to self: Xr name sec */
MANDOCERR_XR_ORDER, /* unusual Xr order: ... after ... */
MANDOCERR_XR_PUNCT, /* unusual Xr punctuation: ... after ... */
MANDOCERR_AN_MISSING, /* AUTHORS section without An macro */
/* related to macros and nesting */
MANDOCERR_MACRO_OBS, /* obsolete macro: macro */
MANDOCERR_MACRO_CALL, /* macro neither callable nor escaped: 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_BLK_NEST, /* blocks badly nested: macro ... */
MANDOCERR_BD_NEST, /* nested displays are not portable: macro ... */
MANDOCERR_BL_MOVE, /* moving content out of list: macro */
MANDOCERR_TA_LINE, /* first macro on line: Ta */
MANDOCERR_BLK_LINE, /* line scope broken: macro breaks macro */
MANDOCERR_BLK_BLANK, /* skipping blank line in line scope */
/* 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_BLK_EMPTY, /* empty block: macro */
MANDOCERR_ARG_EMPTY, /* empty argument, using 0n: macro arg */
MANDOCERR_BD_NOTYPE, /* missing display type, using -ragged: Bd */
MANDOCERR_BL_LATETYPE, /* list type is not the first argument: Bl arg */
MANDOCERR_BL_NOWIDTH, /* missing -width in -tag list, using 6n */
MANDOCERR_EX_NONAME, /* missing utility name, using "": Ex */
MANDOCERR_FO_NOHEAD, /* missing function name, using "": Fo */
MANDOCERR_IT_NOHEAD, /* empty head in list item: Bl -type It */
MANDOCERR_IT_NOBODY, /* empty list item: Bl -type It */
MANDOCERR_IT_NOARG, /* missing argument, using next line: Bl -c It */
MANDOCERR_BF_NOFONT, /* missing font type, using \fR: Bf */
MANDOCERR_BF_BADFONT, /* unknown font type, using \fR: Bf font */
MANDOCERR_PF_SKIP, /* nothing follows prefix: Pf arg */
MANDOCERR_RS_EMPTY, /* empty reference block: Rs */
MANDOCERR_XR_NOSEC, /* missing section argument: Xr arg */
MANDOCERR_ARG_STD, /* missing -std argument, adding it: macro */
MANDOCERR_OP_EMPTY, /* missing option string, using "": OP */
MANDOCERR_UR_NOHEAD, /* missing resource identifier, using "": UR */
MANDOCERR_EQN_NOBOX, /* missing eqn box, using "": op */
/* related to bad arguments */
MANDOCERR_ARG_REP, /* duplicate argument: macro arg */
MANDOCERR_AN_REP, /* skipping duplicate argument: An -arg */
MANDOCERR_BD_REP, /* skipping duplicate display type: Bd -type */
MANDOCERR_BL_REP, /* skipping duplicate list type: Bl -type */
MANDOCERR_BL_SKIPW, /* skipping -width argument: Bl -type */
MANDOCERR_BL_COL, /* wrong number of cells */
MANDOCERR_AT_BAD, /* unknown AT&T UNIX version: At version */
MANDOCERR_FA_COMMA, /* comma in function argument: arg */
MANDOCERR_FN_PAREN, /* parenthesis in function name: arg */
MANDOCERR_LB_BAD, /* unknown library name: Lb ... */
MANDOCERR_RS_BAD, /* invalid content in Rs block: macro */
MANDOCERR_SM_BAD, /* invalid Boolean argument: macro arg */
MANDOCERR_CHAR_FONT, /* argument contains two font escapes */
MANDOCERR_FT_BAD, /* unknown font, skipping request: ft font */
MANDOCERR_MC_DIST, /* ignoring distance argument: mc ... arg */
MANDOCERR_TR_ODD, /* odd number of characters in request: tr char */
/* related to plain text */
MANDOCERR_FI_BLANK, /* blank line in fill mode, using .sp */
MANDOCERR_FI_TAB, /* tab in filled text */
MANDOCERR_EOS, /* new sentence, new line */
MANDOCERR_ESC_ARG, /* invalid escape sequence argument: esc */
MANDOCERR_ESC_UNDEF, /* undefined escape, printing literally: char */
MANDOCERR_STR_UNDEF, /* undefined string, using "": name */
/* related to tables */
MANDOCERR_TBLLAYOUT_SPAN, /* tbl line starts with span */
MANDOCERR_TBLLAYOUT_DOWN, /* tbl column starts with span */
MANDOCERR_TBLLAYOUT_VERT, /* skipping vertical bar in tbl layout */
MANDOCERR_ERROR, /* ===== start of errors ===== */
/* related to tables */
MANDOCERR_TBLOPT_ALPHA, /* non-alphabetic character in tbl options */
MANDOCERR_TBLOPT_BAD, /* skipping unknown tbl option: option */
MANDOCERR_TBLOPT_NOARG, /* missing tbl option argument: option */
MANDOCERR_TBLOPT_ARGSZ, /* wrong tbl option argument size: option */
MANDOCERR_TBLLAYOUT_NONE, /* empty tbl layout */
MANDOCERR_TBLLAYOUT_CHAR, /* invalid character in tbl layout: char */
MANDOCERR_TBLLAYOUT_PAR, /* unmatched parenthesis in tbl layout */
MANDOCERR_TBLLAYOUT_SPC, /* ignoring excessive spacing in tbl layout */
MANDOCERR_TBLDATA_NONE, /* tbl without any data cells */
MANDOCERR_TBLDATA_SPAN, /* ignoring data in spanned tbl cell: data */
MANDOCERR_TBLDATA_EXTRA, /* ignoring extra tbl data cells: data */
MANDOCERR_TBLDATA_BLK, /* data block open at end of tbl: macro */
/* related to document structure and macros */
MANDOCERR_PROLOG_REP, /* duplicate prologue macro: macro */
MANDOCERR_DT_LATE, /* skipping late title macro: Dt args */
MANDOCERR_ROFFLOOP, /* input stack limit exceeded, infinite loop? */
MANDOCERR_CHAR_BAD, /* skipping bad character: number */
MANDOCERR_MACRO, /* skipping unknown macro: macro */
MANDOCERR_REQ_NOMAC, /* skipping request outside macro: ... */
MANDOCERR_REQ_INSEC, /* skipping insecure request: request */
MANDOCERR_IT_STRAY, /* skipping item outside list: It ... */
MANDOCERR_TA_STRAY, /* skipping column outside column list: Ta */
MANDOCERR_BLK_NOTOPEN, /* skipping end of block that is not open */
MANDOCERR_RE_NOTOPEN, /* fewer RS blocks open, skipping: RE arg */
MANDOCERR_BLK_BROKEN, /* inserting missing end of block: macro ... */
MANDOCERR_BLK_NOEND, /* appending missing end of block: macro */
/* related to request and macro arguments */
MANDOCERR_NAMESC, /* escaped character not allowed in a name: name */
MANDOCERR_ARG_UNDEF, /* using macro argument outside macro */
MANDOCERR_ARG_NONUM, /* argument number is not numeric */
MANDOCERR_ARG_NEG, /* negative argument, using 0: request arg */
MANDOCERR_BD_FILE, /* NOT IMPLEMENTED: Bd -file */
MANDOCERR_BD_NOARG, /* skipping display without arguments: Bd */
MANDOCERR_BL_NOTYPE, /* missing list type, using -item: Bl */
MANDOCERR_CE_NONUM, /* argument is not numeric, using 1: ce ... */
MANDOCERR_CHAR_ARG, /* argument is not a character: char ... */
MANDOCERR_MC_ESC, /* skipping unusable escape sequence: mc arg */
MANDOCERR_NM_NONAME, /* missing manual name, using "": Nm */
MANDOCERR_OS_UNAME, /* uname(3) system call failed, using UNKNOWN */
MANDOCERR_ST_BAD, /* unknown standard specifier: St standard */
MANDOCERR_IT_NONUM, /* skipping request without numeric argument */
MANDOCERR_SHIFT, /* excessive shift: ..., but max is ... */
MANDOCERR_SO_PATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
MANDOCERR_SO_FAIL, /* .so request failed */
MANDOCERR_TG_SPC, /* skipping tag containing whitespace: tag */
MANDOCERR_ARG_SKIP, /* skipping all arguments: macro args */
MANDOCERR_ARG_EXCESS, /* skipping excess arguments: macro ... args */
MANDOCERR_DIVZERO, /* divide by zero */
/* related to escape sequences */
MANDOCERR_ESC_INCOMPLETE, /* incomplete escape sequence: esc */
MANDOCERR_ESC_BADCHAR, /* invalid special character: esc */
MANDOCERR_ESC_UNKCHAR, /* unknown special character: esc */
MANDOCERR_ESC_DELIM, /* invalid escape argument delimiter: esc */
MANDOCERR_UNSUPP, /* ===== start of unsupported features ===== */
MANDOCERR_TOOLARGE, /* input too large */
MANDOCERR_CHAR_UNSUPP, /* unsupported control character: number */
MANDOCERR_ESC_UNSUPP, /* unsupported escape sequence: escape */
MANDOCERR_REQ_UNSUPP, /* unsupported roff request: request */
MANDOCERR_WHILE_NEST, /* nested .while loops */
MANDOCERR_WHILE_OUTOF, /* end of scope with open .while loop */
MANDOCERR_WHILE_INTO, /* end of .while loop in inner scope */
MANDOCERR_WHILE_FAIL, /* cannot continue this .while loop */
MANDOCERR_TBLOPT_EQN, /* eqn delim option in tbl: arg */
MANDOCERR_TBLLAYOUT_MOD, /* unsupported tbl layout modifier: m */
MANDOCERR_TBLMACRO, /* ignoring macro in table: macro */
MANDOCERR_TBL_TMAN, /* skipping tbl in -Tman mode */
MANDOCERR_EQN_TMAN, /* skipping eqn in -Tman mode */
MANDOCERR_BADARG, /* ===== start of bad invocations ===== */
MANDOCERR_BADARG_BAD, /* bad argument */
MANDOCERR_BADARG_DUPE, /* duplicate argument */
MANDOCERR_BADVAL, /* does not take a value */
MANDOCERR_BADVAL_MISS, /* missing argument value */
MANDOCERR_BADVAL_BAD, /* bad argument value */
MANDOCERR_BADVAL_DUPE, /* duplicate argument value */
MANDOCERR_TAG, /* no such tag */
MANDOCERR_MAN_TMARKDOWN, /* -Tmarkdown unsupported for man(7) input */
MANDOCERR_SYSERR, /* ===== start of system errors ===== */
MANDOCERR_DUP,
MANDOCERR_EXEC,
MANDOCERR_FDOPEN,
MANDOCERR_FFLUSH,
MANDOCERR_FORK,
MANDOCERR_FSTAT,
MANDOCERR_GETLINE,
MANDOCERR_GLOB,
MANDOCERR_GZCLOSE,
MANDOCERR_GZDOPEN,
MANDOCERR_MKSTEMP,
MANDOCERR_OPEN,
MANDOCERR_PLEDGE,
MANDOCERR_READ,
MANDOCERR_WAIT,
MANDOCERR_WRITE,
MANDOCERR_MAX
};
enum mandoc_esc {
ESCAPE_EXPAND = 0, /* interpolation and iterative call needed */
ESCAPE_ERROR, /* non-fatal error: unparsable escape */
ESCAPE_UNSUPP, /* unsupported escape: warn and ignore */
ESCAPE_IGNORE, /* valid escape to be ignored */
ESCAPE_UNDEF, /* undefined escape: print literal character */
ESCAPE_SPECIAL, /* special character escape */
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_FONTCR, /* constant width font mode */
ESCAPE_FONTCB, /* constant width bold font mode */
ESCAPE_FONTCI, /* constant width italic font mode */
ESCAPE_FONTPREV, /* previous font mode */
ESCAPE_NUMBERED, /* a numbered glyph */
ESCAPE_UNICODE, /* a unicode codepoint */
ESCAPE_DEVICE, /* print the output device name */
ESCAPE_BREAK, /* break the output line */
ESCAPE_NOSPACE, /* suppress space if the last on a line */
ESCAPE_HORIZ, /* horizontal movement */
ESCAPE_HLINE, /* horizontal line drawing */
ESCAPE_SKIPCHAR, /* skip the next character */
ESCAPE_OVERSTRIKE /* overstrike all chars in the argument */
};
enum mandoc_esc mandoc_font(const char *, int);
enum mandoc_esc mandoc_escape(const char **, const char **, int *);
void mandoc_msg_setoutfile(FILE *);
const char *mandoc_msg_getinfilename(void);
void mandoc_msg_setinfilename(const char *);
enum mandocerr mandoc_msg_getmin(void);
void mandoc_msg_setmin(enum mandocerr);
enum mandoclevel mandoc_msg_getrc(void);
void mandoc_msg_setrc(enum mandoclevel);
void mandoc_msg(enum mandocerr, int, int, const char *, ...)
__attribute__((__format__ (__printf__, 4, 5)));
void mandoc_msg_summary(void);
void mchars_alloc(void);
void mchars_free(void);
int mchars_num2char(const char *, size_t);
const char *mchars_uc2str(int);
int mchars_num2uc(const char *, size_t);
int mchars_spec2cp(const char *, size_t);
const char *mchars_spec2str(const char *, size_t, size_t *);
