/* $Id: mandoc.h,v 1.274 2021/08/14 13:53:08 schwarze Exp $ */ /* * Copyright (c) 2012-2021 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_HYPH 30 /* breakable hyphen */ #define ASCII_BREAK 29 /* breakable zero-width space */ /* * 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_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_BAD, /* invalid escape sequence: 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_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_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 */ 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_ERROR = 0, /* bail! unparsable escape */ ESCAPE_UNSUPP, /* unsupported escape; ignore it */ ESCAPE_IGNORE, /* escape to be ignored */ ESCAPE_UNDEF, /* undefined escape; print literal character */ 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_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 *);