version 1.228, 2017/06/11 17:16:51 |
version 1.265, 2020/01/19 16:44:50 |
|
|
/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2010, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2012-2020 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
|
* |
|
* Error handling, escape sequence, and character utilities. |
*/ |
*/ |
|
|
#define ASCII_NBRSP 31 /* non-breaking space */ |
#define ASCII_NBRSP 31 /* non-breaking space */ |
Line 44 enum mandoclevel { |
|
Line 46 enum mandoclevel { |
|
enum mandocerr { |
enum mandocerr { |
MANDOCERR_OK, |
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_XR_BAD, /* referenced manual not found: Xr name sec */ |
|
|
MANDOCERR_STYLE, /* ===== start of style suggestions ===== */ |
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_MACRO_USELESS, /* useless macro: macro */ |
MANDOCERR_BX, /* consider using OS macro: macro */ |
MANDOCERR_BX, /* consider using OS macro: macro */ |
MANDOCERR_ER_ORDER, /* errnos out of order: Er ... */ |
MANDOCERR_ER_ORDER, /* errnos out of order: Er ... */ |
MANDOCERR_ER_REP, /* duplicate errno: Er ... */ |
MANDOCERR_ER_REP, /* duplicate errno: Er ... */ |
MANDOCERR_ND_DOT, /* description line ends with a full stop */ |
MANDOCERR_DELIM, /* trailing delimiter: macro ... */ |
MANDOCERR_DELIM, /* no blank before 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_DASHDASH, /* verbatim "--", maybe consider using \(em */ |
MANDOCERR_FUNC, /* function name without markup: name() */ |
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 ===== */ |
MANDOCERR_WARNING, /* ===== start of warnings ===== */ |
|
|
/* related to the prologue */ |
/* related to the prologue */ |
MANDOCERR_DT_NOTITLE, /* missing manual title, using UNTITLED: line */ |
MANDOCERR_DT_NOTITLE, /* missing manual title, using UNTITLED: line */ |
MANDOCERR_TH_NOTITLE, /* missing manual title, using "": [macro] */ |
MANDOCERR_TH_NOTITLE, /* missing manual title, using "": [macro] */ |
MANDOCERR_TITLE_CASE, /* lower case character in document title */ |
|
MANDOCERR_MSEC_MISSING, /* missing manual section, using "": macro */ |
MANDOCERR_MSEC_MISSING, /* missing manual section, using "": macro */ |
MANDOCERR_MSEC_BAD, /* unknown manual section: Dt ... section */ |
MANDOCERR_MSEC_BAD, /* unknown manual section: Dt ... section */ |
MANDOCERR_DATE_MISSING, /* missing date, using today's date */ |
MANDOCERR_DATE_MISSING, /* missing date, using "": [macro] */ |
MANDOCERR_DATE_BAD, /* cannot parse date, using it verbatim: date */ |
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_OS_MISSING, /* missing Os macro, using "" */ |
MANDOCERR_PROLOG_REP, /* duplicate prologue macro: macro */ |
|
MANDOCERR_PROLOG_LATE, /* late prologue macro: macro */ |
MANDOCERR_PROLOG_LATE, /* late prologue macro: macro */ |
MANDOCERR_DT_LATE, /* skipping late title macro: Dt args */ |
|
MANDOCERR_PROLOG_ORDER, /* prologue macros out of order: macros */ |
MANDOCERR_PROLOG_ORDER, /* prologue macros out of order: macros */ |
|
|
/* related to document structure */ |
/* related to document structure */ |
|
Line 105 enum mandocerr { |
|
MANDOCERR_SEC_ORDER, /* sections out of conventional order: Sh title */ |
MANDOCERR_SEC_ORDER, /* sections out of conventional order: Sh title */ |
MANDOCERR_SEC_REP, /* duplicate section title: Sh title */ |
MANDOCERR_SEC_REP, /* duplicate section title: Sh title */ |
MANDOCERR_SEC_MSEC, /* unexpected section: Sh title for ... only */ |
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_ORDER, /* unusual Xr order: ... after ... */ |
MANDOCERR_XR_PUNCT, /* unusual Xr punctuation: ... after ... */ |
MANDOCERR_XR_PUNCT, /* unusual Xr punctuation: ... after ... */ |
MANDOCERR_AN_MISSING, /* AUTHORS section without An macro */ |
MANDOCERR_AN_MISSING, /* AUTHORS section without An macro */ |
|
Line 119 enum mandocerr { |
|
MANDOCERR_BLK_NEST, /* blocks badly nested: macro ... */ |
MANDOCERR_BLK_NEST, /* blocks badly nested: macro ... */ |
MANDOCERR_BD_NEST, /* nested displays are not portable: macro ... */ |
MANDOCERR_BD_NEST, /* nested displays are not portable: macro ... */ |
MANDOCERR_BL_MOVE, /* moving content out of list: macro */ |
MANDOCERR_BL_MOVE, /* moving content out of list: macro */ |
MANDOCERR_FI_SKIP, /* fill mode already enabled, skipping: fi */ |
MANDOCERR_TA_LINE, /* first macro on line: Ta */ |
MANDOCERR_NF_SKIP, /* fill mode already disabled, skipping: nf */ |
|
MANDOCERR_BLK_LINE, /* line scope broken: macro breaks macro */ |
MANDOCERR_BLK_LINE, /* line scope broken: macro breaks macro */ |
MANDOCERR_BLK_BLANK, /* skipping blank line in line scope */ |
MANDOCERR_BLK_BLANK, /* skipping blank line in line scope */ |
|
|
Line 116 enum mandocerr { |
|
Line 136 enum mandocerr { |
|
MANDOCERR_FO_NOHEAD, /* missing function name, using "": Fo */ |
MANDOCERR_FO_NOHEAD, /* missing function name, using "": Fo */ |
MANDOCERR_IT_NOHEAD, /* empty head in list item: Bl -type It */ |
MANDOCERR_IT_NOHEAD, /* empty head in list item: Bl -type It */ |
MANDOCERR_IT_NOBODY, /* empty 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_NOFONT, /* missing font type, using \fR: Bf */ |
MANDOCERR_BF_BADFONT, /* unknown font type, using \fR: Bf font */ |
MANDOCERR_BF_BADFONT, /* unknown font type, using \fR: Bf font */ |
MANDOCERR_PF_SKIP, /* nothing follows prefix: Pf arg */ |
MANDOCERR_PF_SKIP, /* nothing follows prefix: Pf arg */ |
Line 127 enum mandocerr { |
|
Line 148 enum mandocerr { |
|
MANDOCERR_EQN_NOBOX, /* missing eqn box, using "": op */ |
MANDOCERR_EQN_NOBOX, /* missing eqn box, using "": op */ |
|
|
/* related to bad arguments */ |
/* related to bad arguments */ |
MANDOCERR_ARG_QUOTE, /* unterminated quoted argument */ |
|
MANDOCERR_ARG_REP, /* duplicate argument: macro arg */ |
MANDOCERR_ARG_REP, /* duplicate argument: macro arg */ |
MANDOCERR_AN_REP, /* skipping duplicate argument: An -arg */ |
MANDOCERR_AN_REP, /* skipping duplicate argument: An -arg */ |
MANDOCERR_BD_REP, /* skipping duplicate display type: Bd -type */ |
MANDOCERR_BD_REP, /* skipping duplicate display type: Bd -type */ |
Line 140 enum mandocerr { |
|
Line 160 enum mandocerr { |
|
MANDOCERR_LB_BAD, /* unknown library name: Lb ... */ |
MANDOCERR_LB_BAD, /* unknown library name: Lb ... */ |
MANDOCERR_RS_BAD, /* invalid content in Rs block: macro */ |
MANDOCERR_RS_BAD, /* invalid content in Rs block: macro */ |
MANDOCERR_SM_BAD, /* invalid Boolean argument: macro arg */ |
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_FT_BAD, /* unknown font, skipping request: ft font */ |
MANDOCERR_TR_ODD, /* odd number of characters in request: tr char */ |
MANDOCERR_TR_ODD, /* odd number of characters in request: tr char */ |
|
|
/* related to plain text */ |
/* related to plain text */ |
MANDOCERR_FI_BLANK, /* blank line in fill mode, using .sp */ |
MANDOCERR_FI_BLANK, /* blank line in fill mode, using .sp */ |
MANDOCERR_FI_TAB, /* tab in filled text */ |
MANDOCERR_FI_TAB, /* tab in filled text */ |
MANDOCERR_SPACE_EOL, /* whitespace at end of input line */ |
|
MANDOCERR_EOS, /* new sentence, new line */ |
MANDOCERR_EOS, /* new sentence, new line */ |
MANDOCERR_COMMENT_BAD, /* bad comment style */ |
|
MANDOCERR_ESC_BAD, /* invalid escape sequence: esc */ |
MANDOCERR_ESC_BAD, /* invalid escape sequence: esc */ |
|
MANDOCERR_ESC_UNDEF, /* undefined escape, printing literally: char */ |
MANDOCERR_STR_UNDEF, /* undefined string, using "": name */ |
MANDOCERR_STR_UNDEF, /* undefined string, using "": name */ |
|
|
/* related to tables */ |
/* related to tables */ |
Line 173 enum mandocerr { |
|
Line 193 enum mandocerr { |
|
MANDOCERR_TBLDATA_BLK, /* data block open at end of tbl: macro */ |
MANDOCERR_TBLDATA_BLK, /* data block open at end of tbl: macro */ |
|
|
/* related to document structure and macros */ |
/* related to document structure and macros */ |
MANDOCERR_FILE, /* cannot open file */ |
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_ROFFLOOP, /* input stack limit exceeded, infinite loop? */ |
MANDOCERR_CHAR_BAD, /* skipping bad character: number */ |
MANDOCERR_CHAR_BAD, /* skipping bad character: number */ |
MANDOCERR_MACRO, /* skipping unknown macro: macro */ |
MANDOCERR_MACRO, /* skipping unknown macro: macro */ |
|
MANDOCERR_REQ_NOMAC, /* skipping request outside macro: ... */ |
MANDOCERR_REQ_INSEC, /* skipping insecure request: request */ |
MANDOCERR_REQ_INSEC, /* skipping insecure request: request */ |
MANDOCERR_IT_STRAY, /* skipping item outside list: It ... */ |
MANDOCERR_IT_STRAY, /* skipping item outside list: It ... */ |
MANDOCERR_TA_STRAY, /* skipping column outside column list: Ta */ |
MANDOCERR_TA_STRAY, /* skipping column outside column list: Ta */ |
Line 187 enum mandocerr { |
|
Line 209 enum mandocerr { |
|
|
|
/* related to request and macro arguments */ |
/* related to request and macro arguments */ |
MANDOCERR_NAMESC, /* escaped character not allowed in a name: name */ |
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_FILE, /* NOT IMPLEMENTED: Bd -file */ |
MANDOCERR_BD_NOARG, /* skipping display without arguments: Bd */ |
MANDOCERR_BD_NOARG, /* skipping display without arguments: Bd */ |
MANDOCERR_BL_NOTYPE, /* missing list type, using -item: Bl */ |
MANDOCERR_BL_NOTYPE, /* missing list type, using -item: Bl */ |
MANDOCERR_CE_NONUM, /* argument is not numeric, using 1: ce ... */ |
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_NM_NONAME, /* missing manual name, using "": Nm */ |
MANDOCERR_OS_UNAME, /* uname(3) system call failed, using UNKNOWN */ |
MANDOCERR_OS_UNAME, /* uname(3) system call failed, using UNKNOWN */ |
MANDOCERR_ST_BAD, /* unknown standard specifier: St standard */ |
MANDOCERR_ST_BAD, /* unknown standard specifier: St standard */ |
MANDOCERR_IT_NONUM, /* skipping request without numeric argument */ |
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_PATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */ |
MANDOCERR_SO_FAIL, /* .so request failed */ |
MANDOCERR_SO_FAIL, /* .so request failed */ |
MANDOCERR_ARG_SKIP, /* skipping all arguments: macro args */ |
MANDOCERR_ARG_SKIP, /* skipping all arguments: macro args */ |
Line 205 enum mandocerr { |
|
Line 231 enum mandocerr { |
|
|
|
MANDOCERR_TOOLARGE, /* input too large */ |
MANDOCERR_TOOLARGE, /* input too large */ |
MANDOCERR_CHAR_UNSUPP, /* unsupported control character: number */ |
MANDOCERR_CHAR_UNSUPP, /* unsupported control character: number */ |
|
MANDOCERR_ESC_UNSUPP, /* unsupported escape sequence: escape */ |
MANDOCERR_REQ_UNSUPP, /* unsupported roff request: request */ |
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_TBLOPT_EQN, /* eqn delim option in tbl: arg */ |
MANDOCERR_TBLLAYOUT_MOD, /* unsupported tbl layout modifier: m */ |
MANDOCERR_TBLLAYOUT_MOD, /* unsupported tbl layout modifier: m */ |
MANDOCERR_TBLMACRO, /* ignoring macro in table: macro */ |
MANDOCERR_TBLMACRO, /* ignoring macro in table: macro */ |
|
|
MANDOCERR_MAX |
MANDOCERR_BADARG, /* ===== start of bad invocations ===== */ |
}; |
|
|
|
struct tbl_opts { |
MANDOCERR_BADARG_BAD, /* bad argument */ |
char tab; /* cell-separator */ |
MANDOCERR_BADARG_DUPE, /* duplicate argument */ |
char decimal; /* decimal point */ |
MANDOCERR_BADVAL, /* does not take a value */ |
int opts; |
MANDOCERR_BADVAL_MISS, /* missing argument value */ |
#define TBL_OPT_CENTRE (1 << 0) |
MANDOCERR_BADVAL_BAD, /* bad argument value */ |
#define TBL_OPT_EXPAND (1 << 1) |
MANDOCERR_BADVAL_DUPE, /* duplicate argument value */ |
#define TBL_OPT_BOX (1 << 2) |
MANDOCERR_TAG, /* no such tag */ |
#define TBL_OPT_DBOX (1 << 3) |
|
#define TBL_OPT_ALLBOX (1 << 4) |
|
#define TBL_OPT_NOKEEP (1 << 5) |
|
#define TBL_OPT_NOSPACE (1 << 6) |
|
#define TBL_OPT_NOWARN (1 << 7) |
|
int cols; /* number of columns */ |
|
int lvert; /* width of left vertical line */ |
|
int rvert; /* width of right vertical line */ |
|
}; |
|
|
|
enum tbl_cellt { |
MANDOCERR_SYSERR, /* ===== start of system errors ===== */ |
TBL_CELL_CENTRE, /* c, C */ |
|
TBL_CELL_RIGHT, /* r, R */ |
|
TBL_CELL_LEFT, /* l, L */ |
|
TBL_CELL_NUMBER, /* n, N */ |
|
TBL_CELL_SPAN, /* s, S */ |
|
TBL_CELL_LONG, /* a, A */ |
|
TBL_CELL_DOWN, /* ^ */ |
|
TBL_CELL_HORIZ, /* _, - */ |
|
TBL_CELL_DHORIZ, /* = */ |
|
TBL_CELL_MAX |
|
}; |
|
|
|
/* |
MANDOCERR_DUP, |
* A cell in a layout row. |
MANDOCERR_EXEC, |
*/ |
MANDOCERR_FDOPEN, |
struct tbl_cell { |
MANDOCERR_FFLUSH, |
struct tbl_cell *next; |
MANDOCERR_FORK, |
char *wstr; /* min width represented as a string */ |
MANDOCERR_FSTAT, |
size_t width; /* minimum column width */ |
MANDOCERR_GETLINE, |
size_t spacing; /* to the right of the column */ |
MANDOCERR_GLOB, |
int vert; /* width of subsequent vertical line */ |
MANDOCERR_GZCLOSE, |
int col; /* column number, starting from 0 */ |
MANDOCERR_GZDOPEN, |
int flags; |
MANDOCERR_MKSTEMP, |
#define TBL_CELL_TALIGN (1 << 0) /* t, T */ |
MANDOCERR_OPEN, |
#define TBL_CELL_BALIGN (1 << 1) /* d, D */ |
MANDOCERR_PLEDGE, |
#define TBL_CELL_BOLD (1 << 2) /* fB, B, b */ |
MANDOCERR_READ, |
#define TBL_CELL_ITALIC (1 << 3) /* fI, I, i */ |
MANDOCERR_WAIT, |
#define TBL_CELL_EQUAL (1 << 4) /* e, E */ |
MANDOCERR_WRITE, |
#define TBL_CELL_UP (1 << 5) /* u, U */ |
|
#define TBL_CELL_WIGN (1 << 6) /* z, Z */ |
|
#define TBL_CELL_WMAX (1 << 7) /* x, X */ |
|
enum tbl_cellt pos; |
|
}; |
|
|
|
/* |
MANDOCERR_MAX |
* A layout row. |
|
*/ |
|
struct tbl_row { |
|
struct tbl_row *next; |
|
struct tbl_cell *first; |
|
struct tbl_cell *last; |
|
int vert; /* width of left vertical line */ |
|
}; |
}; |
|
|
enum tbl_datt { |
|
TBL_DATA_NONE, /* has no data */ |
|
TBL_DATA_DATA, /* consists of data/string */ |
|
TBL_DATA_HORIZ, /* horizontal line */ |
|
TBL_DATA_DHORIZ, /* double-horizontal line */ |
|
TBL_DATA_NHORIZ, /* squeezed horizontal line */ |
|
TBL_DATA_NDHORIZ /* squeezed double-horizontal line */ |
|
}; |
|
|
|
/* |
|
* A cell within a row of data. The "string" field contains the actual |
|
* string value that's in the cell. The rest is layout. |
|
*/ |
|
struct tbl_dat { |
|
struct tbl_cell *layout; /* layout cell */ |
|
struct tbl_dat *next; |
|
char *string; /* data (NULL if not TBL_DATA_DATA) */ |
|
int spans; /* how many spans follow */ |
|
int block; /* T{ text block T} */ |
|
enum tbl_datt pos; |
|
}; |
|
|
|
enum tbl_spant { |
|
TBL_SPAN_DATA, /* span consists of data */ |
|
TBL_SPAN_HORIZ, /* span is horizontal line */ |
|
TBL_SPAN_DHORIZ /* span is double horizontal line */ |
|
}; |
|
|
|
/* |
|
* A row of data in a table. |
|
*/ |
|
struct tbl_span { |
|
struct tbl_opts *opts; |
|
struct tbl_row *layout; /* layout row */ |
|
struct tbl_dat *first; |
|
struct tbl_dat *last; |
|
struct tbl_span *prev; |
|
struct tbl_span *next; |
|
int line; /* parse line */ |
|
enum tbl_spant pos; |
|
}; |
|
|
|
enum eqn_boxt { |
|
EQN_ROOT, /* root of parse tree */ |
|
EQN_TEXT, /* text (number, variable, whatever) */ |
|
EQN_SUBEXPR, /* nested `eqn' subexpression */ |
|
EQN_LIST, /* list (braces, etc.) */ |
|
EQN_LISTONE, /* singleton list */ |
|
EQN_PILE, /* vertical pile */ |
|
EQN_MATRIX /* pile of piles */ |
|
}; |
|
|
|
enum eqn_fontt { |
|
EQNFONT_NONE = 0, |
|
EQNFONT_ROMAN, |
|
EQNFONT_BOLD, |
|
EQNFONT_FAT, |
|
EQNFONT_ITALIC, |
|
EQNFONT__MAX |
|
}; |
|
|
|
enum eqn_post { |
|
EQNPOS_NONE = 0, |
|
EQNPOS_SUP, |
|
EQNPOS_SUBSUP, |
|
EQNPOS_SUB, |
|
EQNPOS_TO, |
|
EQNPOS_FROM, |
|
EQNPOS_FROMTO, |
|
EQNPOS_OVER, |
|
EQNPOS_SQRT, |
|
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 *prev; /* node sibling */ |
|
struct eqn_box *parent; /* node sibling */ |
|
char *text; /* text (or NULL) */ |
|
char *left; /* fence left-hand */ |
|
char *right; /* fence right-hand */ |
|
char *top; /* expression over-symbol */ |
|
char *bottom; /* expression under-symbol */ |
|
size_t args; /* arguments in parent */ |
|
size_t expectargs; /* max arguments in parent */ |
|
enum eqn_post pos; /* position of next 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 { |
|
char *name; /* identifier (or NULL) */ |
|
struct eqn_box *root; /* root mathematical expression */ |
|
int ln; /* invocation line */ |
|
int pos; /* invocation position */ |
|
}; |
|
|
|
/* |
|
* Parse options. |
|
*/ |
|
#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 */ |
|
#define MPARSE_UTF8 16 /* accept UTF-8 input */ |
|
#define MPARSE_LATIN1 32 /* accept ISO-LATIN-1 input */ |
|
|
|
enum mandoc_esc { |
enum mandoc_esc { |
ESCAPE_ERROR = 0, /* bail! unparsable escape */ |
ESCAPE_ERROR = 0, /* bail! unparsable escape */ |
|
ESCAPE_UNSUPP, /* unsupported escape; ignore it */ |
ESCAPE_IGNORE, /* escape to be ignored */ |
ESCAPE_IGNORE, /* escape to be ignored */ |
|
ESCAPE_UNDEF, /* undefined escape; print literal character */ |
ESCAPE_SPECIAL, /* a regular special character */ |
ESCAPE_SPECIAL, /* a regular special character */ |
ESCAPE_FONT, /* a generic font mode */ |
ESCAPE_FONT, /* a generic font mode */ |
ESCAPE_FONTBOLD, /* bold font mode */ |
ESCAPE_FONTBOLD, /* bold font mode */ |
ESCAPE_FONTITALIC, /* italic font mode */ |
ESCAPE_FONTITALIC, /* italic font mode */ |
ESCAPE_FONTBI, /* bold italic font mode */ |
ESCAPE_FONTBI, /* bold italic font mode */ |
ESCAPE_FONTROMAN, /* roman font mode */ |
ESCAPE_FONTROMAN, /* roman font mode */ |
|
ESCAPE_FONTCW, /* constant width font mode */ |
ESCAPE_FONTPREV, /* previous font mode */ |
ESCAPE_FONTPREV, /* previous font mode */ |
ESCAPE_NUMBERED, /* a numbered glyph */ |
ESCAPE_NUMBERED, /* a numbered glyph */ |
ESCAPE_UNICODE, /* a unicode codepoint */ |
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_NOSPACE, /* suppress space if the last on a line */ |
ESCAPE_HORIZ, /* horizontal movement */ |
ESCAPE_HORIZ, /* horizontal movement */ |
ESCAPE_HLINE, /* horizontal line drawing */ |
ESCAPE_HLINE, /* horizontal line drawing */ |
Line 427 enum mandoc_esc { |
|
Line 297 enum mandoc_esc { |
|
ESCAPE_OVERSTRIKE /* overstrike all chars in the argument */ |
ESCAPE_OVERSTRIKE /* overstrike all chars in the argument */ |
}; |
}; |
|
|
typedef void (*mandocmsg)(enum mandocerr, enum mandoclevel, |
|
const char *, int, int, const char *); |
|
|
|
|
enum mandoc_esc mandoc_font(const char *, int sz); |
struct mparse; |
|
struct roff_man; |
|
|
|
enum mandoc_esc mandoc_escape(const char **, 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_alloc(void); |
void mchars_free(void); |
void mchars_free(void); |
int mchars_num2char(const char *, size_t); |
int mchars_num2char(const char *, size_t); |
Line 442 const char *mchars_uc2str(int); |
|
Line 317 const char *mchars_uc2str(int); |
|
int mchars_num2uc(const char *, size_t); |
int mchars_num2uc(const char *, size_t); |
int mchars_spec2cp(const char *, size_t); |
int mchars_spec2cp(const char *, size_t); |
const char *mchars_spec2str(const char *, size_t, size_t *); |
const char *mchars_spec2str(const char *, size_t, size_t *); |
struct mparse *mparse_alloc(int, enum mandoclevel, mandocmsg, const char *); |
|
void mparse_free(struct mparse *); |
|
void mparse_keep(struct mparse *); |
|
int mparse_open(struct mparse *, const char *); |
|
enum mandoclevel mparse_readfd(struct mparse *, int, const char *); |
|
enum mandoclevel mparse_readmem(struct mparse *, void *, size_t, |
|
const char *); |
|
void mparse_reset(struct mparse *); |
|
void mparse_result(struct mparse *, |
|
struct roff_man **, char **); |
|
const char *mparse_getkeep(const struct mparse *); |
|
const char *mparse_strerror(enum mandocerr); |
|
const char *mparse_strlevel(enum mandoclevel); |
|
void mparse_updaterc(struct mparse *, enum mandoclevel *); |
|