Simplify: Remove an unused argument from the mandoc_eos() function.

[mandoc.git] / mandoc.h

diff --git a/mandoc.h b/mandoc.h
index 76f543b7a5d7fc3d87e487788543497407bd9170..4c6a32f7a62df7193efb80f302257284eedd2a99 100644 (file)
--- a/mandoc.h
+++ b/mandoc.h
@@ -1,6 +1,7 @@
-/*     $Id: mandoc.h,v 1.37 2010/12/29 14:38:14 kristaps Exp $ */
+/*     $Id: mandoc.h,v 1.112 2013/12/30 18:30:32 schwarze Exp $ */

 /*
 /*

- * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2012, 2013 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
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above


@@ -50,7 +51,9 @@ enum  mandocerr {
        MANDOCERR_NOTITLE, /* no title in document */
        MANDOCERR_UPPERCASE, /* document title should be all caps */
        MANDOCERR_BADMSEC, /* unknown manual section */
        MANDOCERR_NOTITLE, /* no title in document */
        MANDOCERR_UPPERCASE, /* document title should be all caps */
        MANDOCERR_BADMSEC, /* unknown manual section */

-       MANDOCERR_BADDATE, /* cannot parse date argument */
+       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_PROLOGREP, /* duplicate prologue macro */
        MANDOCERR_BADPROLOG, /* macro not allowed in prologue */
        MANDOCERR_PROLOGOOO, /* prologue macros out of order */
        MANDOCERR_PROLOGREP, /* duplicate prologue macro */
        MANDOCERR_BADPROLOG, /* macro not allowed in prologue */


@@ -60,25 +63,29 @@ enum        mandocerr {
        MANDOCERR_SO, /* .so is fragile, better use ln(1) */
        MANDOCERR_NAMESECFIRST, /* NAME section must come first */
        MANDOCERR_BADNAMESEC, /* bad NAME section contents */
        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_SECOOO, /* sections out of conventional order */
        MANDOCERR_SECREP, /* duplicate section name */

-       MANDOCERR_SECMSEC, /* section not in conventional manual section */
+       MANDOCERR_SECMSEC, /* section header suited to sections ... */

 
        /* related to macros and nesting */
        MANDOCERR_MACROOBS, /* skipping obsolete macro */
        MANDOCERR_IGNPAR, /* skipping paragraph macro */
 
        /* 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_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 */
 
        /* related to missing macro arguments */
        MANDOCERR_MACROEMPTY, /* skipping empty macro */

+       MANDOCERR_ARGCWARN, /* argument count wrong */

        MANDOCERR_DISPTYPE, /* missing display type */
        MANDOCERR_LISTFIRST, /* list type must come first */
        MANDOCERR_NOWIDTHARG, /* tag lists require a width argument */
        MANDOCERR_FONTTYPE, /* missing font type */
        MANDOCERR_DISPTYPE, /* missing display type */
        MANDOCERR_LISTFIRST, /* list type must come first */
        MANDOCERR_NOWIDTHARG, /* tag lists require a width argument */
        MANDOCERR_FONTTYPE, /* missing font type */

+       MANDOCERR_WNOSCOPE, /* skipping end of block that is not open */

 
        /* related to bad macro arguments */
        MANDOCERR_IGNARGV, /* skipping argument */
 
        /* related to bad macro arguments */
        MANDOCERR_IGNARGV, /* skipping argument */


@@ -99,19 +106,37 @@ enum       mandocerr {
        MANDOCERR_BADESCAPE, /* unknown escape sequence */
        MANDOCERR_BADQUOTE, /* unterminated quoted string */
 
        MANDOCERR_BADESCAPE, /* unknown escape sequence */
        MANDOCERR_BADQUOTE, /* unterminated quoted string */
 

+       /* related to equations */
+       MANDOCERR_EQNQUOTE, /* unexpected literal in equation */
+

        MANDOCERR_ERROR, /* ===== start of errors ===== */
 
        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_TBLLAYOUT, /* bad table layout */
        MANDOCERR_TBLNOLAYOUT, /* no table layout cells specified */
        MANDOCERR_TBL, /* bad table syntax */
        MANDOCERR_TBLOPT, /* bad table option */
        MANDOCERR_TBLLAYOUT, /* bad table layout */
        MANDOCERR_TBLNOLAYOUT, /* no table layout cells specified */

+       MANDOCERR_TBLNODATA, /* no table data cells specified */
+       MANDOCERR_TBLIGNDATA, /* ignore data in cell */
+       MANDOCERR_TBLBLOCK, /* data block still open */
+       MANDOCERR_TBLEXTRADAT, /* ignoring extra data cells */
+

        MANDOCERR_ROFFLOOP, /* input stack limit exceeded, infinite loop? */
        MANDOCERR_BADCHAR, /* skipping bad character */
        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_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_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_NOSCOPE, /* skipping end of block that is not open */
        MANDOCERR_SCOPEBROKEN, /* missing end of block */
        MANDOCERR_SCOPEEXIT, /* scope open on exit */


@@ -120,15 +145,16 @@ enum      mandocerr {
        MANDOCERR_NOARGS, /* macro requires line argument(s) */
        MANDOCERR_NOBODY, /* macro requires body argument(s) */
        MANDOCERR_NOARGV, /* macro requires argument(s) */
        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_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_COLUMNS, /* column syntax is inconsistent */
        MANDOCERR_BADDISP, /* NOT IMPLEMENTED: .Bd -file */
        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_SYNTARGVCOUNT, /* argument count wrong, violates syntax */
        MANDOCERR_SYNTCHILD, /* child violates parent syntax */
        MANDOCERR_SYNTARGCOUNT, /* argument count wrong, violates syntax */


@@ -139,50 +165,267 @@ enum     mandocerr {
        MANDOCERR_MAX
 };
 
        MANDOCERR_MAX
 };
 

+struct tbl_opts {
+       char              tab; /* cell-separator */
+       char              decimal; /* decimal point */
+       int               linesize;
+       int               opts;
+#define        TBL_OPT_CENTRE   (1 << 0)
+#define        TBL_OPT_EXPAND   (1 << 1)
+#define        TBL_OPT_BOX      (1 << 2)
+#define        TBL_OPT_DBOX     (1 << 3)
+#define        TBL_OPT_ALLBOX   (1 << 4)
+#define        TBL_OPT_NOKEEP   (1 << 5)
+#define        TBL_OPT_NOSPACE  (1 << 6)
+       int               cols; /* number of columns */
+};
+
+/*
+ * 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 {
+       int               ident; /* 0 <= unique id < cols */
+       int               vert; /* width of preceding vertical line */
+       struct tbl_head  *next;
+       struct tbl_head  *prev;
+};
+
+enum   tbl_cellt {
+       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
+};
+

 /*
 /*

- * Available registers (set in libroff, accessed elsewhere).
+ * A cell in a layout row.

  */
  */

-enum   regs {
-       REG_nS = 0,
-       REG__MAX
+struct tbl_cell {
+       struct tbl_cell  *next;
+       int               vert; /* width of preceding vertical line */
+       enum tbl_cellt    pos;
+       size_t            spacing;
+       int               flags;
+#define        TBL_CELL_TALIGN  (1 << 0) /* t, T */
+#define        TBL_CELL_BALIGN  (1 << 1) /* d, D */
+#define        TBL_CELL_BOLD    (1 << 2) /* fB, B, b */
+#define        TBL_CELL_ITALIC  (1 << 3) /* fI, I, i */
+#define        TBL_CELL_EQUAL   (1 << 4) /* e, E */
+#define        TBL_CELL_UP      (1 << 5) /* u, U */
+#define        TBL_CELL_WIGN    (1 << 6) /* z, Z */
+       struct tbl_head  *head;

 };
 
 /*
 };
 
 /*

- * A register (struct reg) can consist of many types: this consists of
- * normalised types from the original string form.
+ * A layout row.

  */
  */

-union  regval {
-       unsigned  u; /* unsigned integer */
+struct tbl_row {
+       struct tbl_row   *next;
+       struct tbl_cell  *first;
+       struct tbl_cell  *last;
+};
+
+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 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.
+ * 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 reg {
-       int               set; /* whether set or not */
-       union regval      v; /* parsed data */
+struct tbl_dat {
+       struct tbl_cell  *layout; /* layout cell */
+       int               spans; /* how many spans follow */
+       struct tbl_dat   *next;
+       char             *string; /* data (NULL if not TBL_DATA_DATA) */
+       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 */

 };
 
 /*
 };
 
 /*

- * 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).
+ * A row of data in a table.

  */
  */

-struct regset {
-       struct reg        regs[REG__MAX];
+struct tbl_span {
+       struct tbl_opts  *opts;
+       struct tbl_head  *head;
+       struct tbl_row   *layout; /* layout row */
+       struct tbl_dat   *first;
+       struct tbl_dat   *last;
+       int               line; /* parse line */
+       int               flags;
+#define        TBL_SPAN_FIRST   (1 << 0)
+#define        TBL_SPAN_LAST    (1 << 1)
+       enum tbl_spant    pos;
+       struct tbl_span  *next;

 };
 
 };
 

-__BEGIN_DECLS
+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 {
+       char             *name; /* identifier (or NULL) */
+       struct eqn_box   *root; /* root mathematical expression */
+       int               ln; /* invocation line */
+       int               pos; /* invocation position */
+};

 
 /*
 
 /*

- * Callback function for warnings, errors, and fatal errors as they
- * occur in the compilers libroff, libmdoc, and libman.
+ * 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.

  */
  */

-typedef        int             (*mandocmsg)(enum mandocerr, void *,
-                               int, int, const char *);
+enum   mparset {
+       MPARSE_AUTO, /* magically determine the document type */
+       MPARSE_MDOC, /* assume -mdoc */
+       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_FONTBI, /* bold 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            *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);
+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
 
 
 __END_DECLS