-/* $Id: mandoc.h,v 1.64 2011/03/20 16:05:21 kristaps Exp $ */
+/* $Id: mandoc.h,v 1.107 2013/05/31 21:37:17 schwarze Exp $ */
/*
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2012 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
MANDOCERR_NOTITLE, /* no title in document */
MANDOCERR_UPPERCASE, /* document title should be all caps */
MANDOCERR_BADMSEC, /* unknown manual section */
+ MANDOCERR_BADVOLARCH, /* unknown manual volume or arch */
MANDOCERR_NODATE, /* date missing, using today's date */
MANDOCERR_BADDATE, /* cannot parse date, using it verbatim */
MANDOCERR_PROLOGOOO, /* prologue macros out of order */
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 */
/* related to macros and nesting */
MANDOCERR_MACROOBS, /* skipping obsolete 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 */
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_BADESCAPE, /* unknown escape sequence */
MANDOCERR_BADQUOTE, /* unterminated quoted string */
+ /* related to equations */
+ MANDOCERR_EQNQUOTE, /* unexpected literal in equation */
+
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_NONAME, /* manual name not yet set */
MANDOCERR_NOTEXT, /* skipping text before the first section header */
MANDOCERR_MACRO, /* skipping unknown macro */
MANDOCERR_REQUEST, /* NOT IMPLEMENTED: skipping request */
- MANDOCERR_LINESCOPE, /* line scope broken */
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 */
MANDOCERR_FATAL, /* ===== start of fatal errors ===== */
+ MANDOCERR_NOTMANUAL, /* manual isn't really 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_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;
* 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;
};
-struct eqn {
- size_t sz;
- char *data;
- int line; /* invocation line */
- int pos; /* invocation position */
+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 */
};
-/*
- * Available registers (set in libroff, accessed elsewhere).
- */
-enum regs {
- REG_nS = 0,
- REG__MAX
+enum eqn_markt {
+ EQNMARK_NONE = 0,
+ EQNMARK_DOT,
+ EQNMARK_DOTDOT,
+ EQNMARK_HAT,
+ EQNMARK_TILDE,
+ EQNMARK_VEC,
+ EQNMARK_DYAD,
+ EQNMARK_BAR,
+ EQNMARK_UNDER,
+ EQNMARK__MAX
};
-/*
- * A register (struct reg) can consist of many types: this consists of
- * normalised types from the original string form.
- */
-union regval {
- unsigned u; /* unsigned integer */
+enum eqn_fontt {
+ EQNFONT_NONE = 0,
+ EQNFONT_ROMAN,
+ EQNFONT_BOLD,
+ EQNFONT_FAT,
+ EQNFONT_ITALIC,
+ EQNFONT__MAX
};
-/*
- * A single register entity. If "set" is zero, the value of the
- * register should be the default one, which is per-register. It's
- * assumed that callers know which type in "v" corresponds to which
- * register value.
- */
-struct reg {
- int set; /* whether set or not */
- union regval v; /* parsed data */
+enum eqn_post {
+ EQNPOS_NONE = 0,
+ EQNPOS_OVER,
+ EQNPOS_SUP,
+ EQNPOS_SUB,
+ EQNPOS_TO,
+ EQNPOS_FROM,
+ EQNPOS__MAX
};
-/*
- * The primary interface to setting register values is in libroff,
- * although libmdoc and libman from time to time will manipulate
- * registers (such as `.Sh SYNOPSIS' enabling REG_nS).
+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 regset {
- struct reg regs[REG__MAX];
+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 */
};
/*
- * A punctuation delimiter, used only in mdoc(7) documents, is opening,
- * closing, or "middle mark" punctuation. These govern spacing.
- * Opening punctuation (e.g., the opening parenthesis) suppresses the
- * following space; closing punctuation (e.g., the closing parenthesis)
- * suppresses the leading space; middle punctuation (e.g., the vertical
- * bar) can do either. The middle punctuation delimiter bends the rules
- * depending on usage.
+ * An equation consists of a tree of expressions starting at a given
+ * line and position.
*/
-enum mdelim {
- DELIM_NONE = 0,
- DELIM_OPEN,
- DELIM_MIDDLE,
- DELIM_CLOSE
+struct eqn {
+ char *name; /* identifier (or NULL) */
+ struct eqn_box *root; /* root mathematical expression */
+ int ln; /* invocation line */
+ int pos; /* invocation position */
};
/*
MPARSE_MAN /* assume -man */
};
+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_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
-void mparse_free(struct mparse *);
-void mparse_reset(struct mparse *);
-struct mparse *mparse_alloc(enum mparset,
- enum mandoclevel, mandocmsg, void *);
-enum mandoclevel mparse_readfd(struct mparse *, int, const char *);
-void mparse_result(struct mparse *, struct mdoc **, struct man **);
-
void *mandoc_calloc(size_t, size_t);
+enum mandoc_esc mandoc_escape(const char **, const char **, int *);
void *mandoc_malloc(size_t);
void *mandoc_realloc(void *, size_t);
-#define DELIMSZ 6 /* hint: max possible size of a delimiter */
-enum mdelim mandoc_isdelim(const char *);
+char *mandoc_strdup(const char *);
+char *mandoc_strndup(const char *, size_t);
+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(enum mparset, enum mandoclevel,
+ mandocmsg, void *, char *);
+void mparse_free(struct mparse *);
+void mparse_keep(struct mparse *);
+enum mandoclevel mparse_readfd(struct mparse *, int, const char *);
+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 **);
+const char *mparse_getkeep(const struct mparse *);
+const char *mparse_strerror(enum mandocerr);
+const char *mparse_strlevel(enum mandoclevel);
__END_DECLS