... and remove the trailing spaces (duh. i should pay more attention)

[mandoc.git] / mdoc.h

diff --git a/mdoc.h b/mdoc.h
index 72eeae22f572dbb2ddffd4a5407f627686f11ad4..58ad81318f5e06037dfcf20f540249fed219370a 100644 (file)
--- a/mdoc.h
+++ b/mdoc.h
@@ -1,6 +1,6 @@
-/*     $Id: mdoc.h,v 1.104 2010/10/02 10:14:37 kristaps Exp $ */
+/*     $Id: mdoc.h,v 1.131 2014/07/29 13:58:18 schwarze Exp $ */

 /*
 /*

- * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008, 2009, 2010, 2011 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
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above


@@ -17,32 +17,382 @@
 #ifndef MDOC_H
 #define MDOC_H
 
 #ifndef MDOC_H
 #define MDOC_H
 

+enum   mdoct {
+       MDOC_Ap = 0,
+       MDOC_Dd,
+       MDOC_Dt,
+       MDOC_Os,
+       MDOC_Sh,
+       MDOC_Ss,
+       MDOC_Pp,
+       MDOC_D1,
+       MDOC_Dl,
+       MDOC_Bd,
+       MDOC_Ed,
+       MDOC_Bl,
+       MDOC_El,
+       MDOC_It,
+       MDOC_Ad,
+       MDOC_An,
+       MDOC_Ar,
+       MDOC_Cd,
+       MDOC_Cm,
+       MDOC_Dv,
+       MDOC_Er,
+       MDOC_Ev,
+       MDOC_Ex,
+       MDOC_Fa,
+       MDOC_Fd,
+       MDOC_Fl,
+       MDOC_Fn,
+       MDOC_Ft,
+       MDOC_Ic,
+       MDOC_In,
+       MDOC_Li,
+       MDOC_Nd,
+       MDOC_Nm,
+       MDOC_Op,
+       MDOC_Ot,
+       MDOC_Pa,
+       MDOC_Rv,
+       MDOC_St,
+       MDOC_Va,
+       MDOC_Vt,
+       MDOC_Xr,
+       MDOC__A,
+       MDOC__B,
+       MDOC__D,
+       MDOC__I,
+       MDOC__J,
+       MDOC__N,
+       MDOC__O,
+       MDOC__P,
+       MDOC__R,
+       MDOC__T,
+       MDOC__V,
+       MDOC_Ac,
+       MDOC_Ao,
+       MDOC_Aq,
+       MDOC_At,
+       MDOC_Bc,
+       MDOC_Bf,
+       MDOC_Bo,
+       MDOC_Bq,
+       MDOC_Bsx,
+       MDOC_Bx,
+       MDOC_Db,
+       MDOC_Dc,
+       MDOC_Do,
+       MDOC_Dq,
+       MDOC_Ec,
+       MDOC_Ef,
+       MDOC_Em,
+       MDOC_Eo,
+       MDOC_Fx,
+       MDOC_Ms,
+       MDOC_No,
+       MDOC_Ns,
+       MDOC_Nx,
+       MDOC_Ox,
+       MDOC_Pc,
+       MDOC_Pf,
+       MDOC_Po,
+       MDOC_Pq,
+       MDOC_Qc,
+       MDOC_Ql,
+       MDOC_Qo,
+       MDOC_Qq,
+       MDOC_Re,
+       MDOC_Rs,
+       MDOC_Sc,
+       MDOC_So,
+       MDOC_Sq,
+       MDOC_Sm,
+       MDOC_Sx,
+       MDOC_Sy,
+       MDOC_Tn,
+       MDOC_Ux,
+       MDOC_Xc,
+       MDOC_Xo,
+       MDOC_Fo,
+       MDOC_Fc,
+       MDOC_Oo,
+       MDOC_Oc,
+       MDOC_Bk,
+       MDOC_Ek,
+       MDOC_Bt,
+       MDOC_Hf,
+       MDOC_Fr,
+       MDOC_Ud,
+       MDOC_Lb,
+       MDOC_Lp,
+       MDOC_Lk,
+       MDOC_Mt,
+       MDOC_Brq,
+       MDOC_Bro,
+       MDOC_Brc,
+       MDOC__C,
+       MDOC_Es,
+       MDOC_En,
+       MDOC_Dx,
+       MDOC__Q,
+       MDOC_br,
+       MDOC_sp,
+       MDOC__U,
+       MDOC_Ta,
+       MDOC_ll,
+       MDOC_MAX
+};
+
+enum   mdocargt {
+       MDOC_Split, /* -split */
+       MDOC_Nosplit, /* -nospli */
+       MDOC_Ragged, /* -ragged */
+       MDOC_Unfilled, /* -unfilled */
+       MDOC_Literal, /* -literal */
+       MDOC_File, /* -file */
+       MDOC_Offset, /* -offset */
+       MDOC_Bullet, /* -bullet */
+       MDOC_Dash, /* -dash */
+       MDOC_Hyphen, /* -hyphen */
+       MDOC_Item, /* -item */
+       MDOC_Enum, /* -enum */
+       MDOC_Tag, /* -tag */
+       MDOC_Diag, /* -diag */
+       MDOC_Hang, /* -hang */
+       MDOC_Ohang, /* -ohang */
+       MDOC_Inset, /* -inset */
+       MDOC_Column, /* -column */
+       MDOC_Width, /* -width */
+       MDOC_Compact, /* -compact */
+       MDOC_Std, /* -std */
+       MDOC_Filled, /* -filled */
+       MDOC_Words, /* -words */
+       MDOC_Emphasis, /* -emphasis */
+       MDOC_Symbolic, /* -symbolic */
+       MDOC_Nested, /* -nested */
+       MDOC_Centred, /* -centered */
+       MDOC_ARG_MAX
+};
+
+enum   mdoc_type {
+       MDOC_TEXT,
+       MDOC_ELEM,
+       MDOC_HEAD,
+       MDOC_TAIL,
+       MDOC_BODY,
+       MDOC_BLOCK,
+       MDOC_TBL,
+       MDOC_EQN,
+       MDOC_ROOT
+};
+
+/*
+ * Section (named/unnamed) of `Sh'.   Note that these appear in the
+ * conventional order imposed by mdoc.7.  In the case of SEC_NONE, no
+ * section has been invoked (this shouldn't happen).  SEC_CUSTOM refers
+ * to other sections.
+ */
+enum   mdoc_sec {
+       SEC_NONE = 0,
+       SEC_NAME, /* NAME */
+       SEC_LIBRARY, /* LIBRARY */
+       SEC_SYNOPSIS, /* SYNOPSIS */
+       SEC_DESCRIPTION, /* DESCRIPTION */
+       SEC_CONTEXT, /* CONTEXT */
+       SEC_IMPLEMENTATION, /* IMPLEMENTATION NOTES */
+       SEC_RETURN_VALUES, /* RETURN VALUES */
+       SEC_ENVIRONMENT,  /* ENVIRONMENT */
+       SEC_FILES, /* FILES */
+       SEC_EXIT_STATUS, /* EXIT STATUS */
+       SEC_EXAMPLES, /* EXAMPLES */
+       SEC_DIAGNOSTICS, /* DIAGNOSTICS */
+       SEC_COMPATIBILITY, /* COMPATIBILITY */
+       SEC_ERRORS, /* ERRORS */
+       SEC_SEE_ALSO, /* SEE ALSO */
+       SEC_STANDARDS, /* STANDARDS */
+       SEC_HISTORY, /* HISTORY */
+       SEC_AUTHORS, /* AUTHORS */
+       SEC_CAVEATS, /* CAVEATS */
+       SEC_BUGS, /* BUGS */
+       SEC_SECURITY, /* SECURITY */
+       SEC_CUSTOM,
+       SEC__MAX
+};
+
+struct mdoc_meta {
+       char             *msec; /* `Dt' section (1, 3p, etc.) */
+       char             *vol; /* `Dt' volume (implied) */
+       char             *arch; /* `Dt' arch (i386, etc.) */
+       char             *date; /* `Dd' normalised date */
+       char             *title; /* `Dt' title (FOO, etc.) */
+       char             *os; /* `Os' system (OpenBSD, etc.) */
+       char             *name; /* leading `Nm' name */
+};
+

 /*
 /*

- * This library implements a validating scanner/parser for ``mdoc'' roff
- * macro documents, a.k.a. BSD manual page documents.  The mdoc.c file
- * drives the parser, while macro.c describes the macro ontologies.
- * validate.c pre- and post-validates parsed macros, and action.c
- * performs actions on parsed and validated macros.
+ * An argument to a macro (multiple values = `-column xxx yyy').

  */
  */

+struct mdoc_argv {
+       enum mdocargt     arg; /* type of argument */
+       int               line;
+       int               pos;
+       size_t            sz; /* elements in "value" */
+       char            **value; /* argument strings */
+};
+
+/*
+ * Reference-counted macro arguments.  These are refcounted because
+ * blocks have multiple instances of the same arguments spread across
+ * the HEAD, BODY, TAIL, and BLOCK node types.
+ */
+struct mdoc_arg {
+       size_t            argc;
+       struct mdoc_argv *argv;
+       unsigned int      refcnt;
+};
+
+/*
+ * Indicates that a BODY's formatting has ended, but the scope is still
+ * open.  Used for syntax-broken blocks.
+ */
+enum   mdoc_endbody {
+       ENDBODY_NOT = 0,
+       ENDBODY_SPACE, /* is broken: append a space */
+       ENDBODY_NOSPACE /* is broken: don't append a space */
+};
+
+enum   mdoc_list {
+       LIST__NONE = 0,
+       LIST_bullet, /* -bullet */
+       LIST_column, /* -column */
+       LIST_dash, /* -dash */
+       LIST_diag, /* -diag */
+       LIST_enum, /* -enum */
+       LIST_hang, /* -hang */
+       LIST_hyphen, /* -hyphen */
+       LIST_inset, /* -inset */
+       LIST_item, /* -item */
+       LIST_ohang, /* -ohang */
+       LIST_tag, /* -tag */
+       LIST_MAX
+};
+
+enum   mdoc_disp {
+       DISP__NONE = 0,
+       DISP_centered, /* -centered */
+       DISP_ragged, /* -ragged */
+       DISP_unfilled, /* -unfilled */
+       DISP_filled, /* -filled */
+       DISP_literal /* -literal */
+};

 
 

-/* See mdoc.3 for documentation. */
+enum   mdoc_auth {
+       AUTH__NONE = 0,
+       AUTH_split, /* -split */
+       AUTH_nosplit /* -nosplit */
+};

 
 

+enum   mdoc_font {
+       FONT__NONE = 0,
+       FONT_Em, /* Em, -emphasis */
+       FONT_Li, /* Li, -literal */
+       FONT_Sy /* Sy, -symbolic */
+};
+
+struct mdoc_bd {
+       const char       *offs; /* -offset */
+       enum mdoc_disp    type; /* -ragged, etc. */
+       int               comp; /* -compact */
+};
+
+struct mdoc_bl {
+       const char       *width; /* -width */
+       const char       *offs; /* -offset */
+       enum mdoc_list    type; /* -tag, -enum, etc. */
+       int               comp; /* -compact */
+       size_t            ncols; /* -column arg count */
+       const char      **cols; /* -column val ptr */
+       int               count; /* -enum counter */
+};
+
+struct mdoc_bf {
+       enum mdoc_font    font; /* font */
+};
+
+struct mdoc_an {
+       enum mdoc_auth    auth; /* -split, etc. */
+};
+
+struct mdoc_rs {
+       int               quote_T; /* whether to quote %T */
+};
+
+/*
+ * Consists of normalised node arguments.  These should be used instead
+ * of iterating through the mdoc_arg pointers of a node: defaults are
+ * provided, etc.
+ */
+union  mdoc_data {
+       struct mdoc_an    An;
+       struct mdoc_bd    Bd;
+       struct mdoc_bf    Bf;
+       struct mdoc_bl    Bl;
+       struct mdoc_node *Es;
+       struct mdoc_rs    Rs;
+};
+
+/*
+ * Single node in tree-linked AST.
+ */
+struct mdoc_node {
+       struct mdoc_node *parent; /* parent AST node */
+       struct mdoc_node *child; /* first child AST node */
+       struct mdoc_node *last; /* last child AST node */
+       struct mdoc_node *next; /* sibling AST node */
+       struct mdoc_node *prev; /* prior sibling AST node */
+       int               nchild; /* number children */
+       int               line; /* parse line */
+       int               pos; /* parse column */
+       int               lastline; /* the node ends on this line */
+       enum mdoct        tok; /* tok or MDOC__MAX if none */
+       int               flags;
+#define        MDOC_VALID       (1 << 0) /* has been validated */
+#define        MDOC_EOS         (1 << 2) /* at sentence boundary */
+#define        MDOC_LINE        (1 << 3) /* first macro/text on line */
+#define        MDOC_SYNPRETTY   (1 << 4) /* SYNOPSIS-style formatting */
+#define        MDOC_ENDED       (1 << 5) /* rendering has been ended */
+#define        MDOC_DELIMO      (1 << 6)
+#define        MDOC_DELIMC      (1 << 7)
+       enum mdoc_type    type; /* AST node type */
+       enum mdoc_sec     sec; /* current named section */
+       union mdoc_data  *norm; /* normalised args */
+       const void       *prev_font; /* before entering this node */
+       /* FIXME: these can be union'd to shave a few bytes. */
+       struct mdoc_arg  *args; /* BLOCK/ELEM */
+       struct mdoc_node *pending; /* BLOCK */
+       struct mdoc_node *head; /* BLOCK */
+       struct mdoc_node *body; /* BLOCK */
+       struct mdoc_node *tail; /* BLOCK */
+       char             *string; /* TEXT */
+       const struct tbl_span *span; /* TBL */
+       const struct eqn *eqn; /* EQN */
+       enum mdoc_endbody end; /* BODY */
+};
+
+/* Names of macros.  Index is enum mdoct. */

 extern const char *const *mdoc_macronames;
 extern const char *const *mdoc_macronames;

+
+/* Names of macro args.  Index is enum mdocargt. */

 extern const char *const *mdoc_argnames;
 
 __BEGIN_DECLS
 
 struct mdoc;
 
 extern const char *const *mdoc_argnames;
 
 __BEGIN_DECLS
 
 struct mdoc;
 

-/* See mdoc.3 for documentation. */
-
-void             mdoc_free(struct mdoc *);
-struct mdoc     *mdoc_alloc(struct regset *, void *, mandocmsg);
-void             mdoc_reset(struct mdoc *);
-int              mdoc_parseln(struct mdoc *, int, char *, int);

 const struct mdoc_node *mdoc_node(const struct mdoc *);
 const struct mdoc_meta *mdoc_meta(const struct mdoc *);
 const struct mdoc_node *mdoc_node(const struct mdoc *);
 const struct mdoc_meta *mdoc_meta(const struct mdoc *);

-int              mdoc_endparse(struct mdoc *);
+void mdoc_deroff(char **, const struct mdoc_node *);

 
 __END_DECLS
 
 
 __END_DECLS