-.\" $Id: mdoc.3,v 1.18 2009/03/16 22:19:19 kristaps Exp $
+.\" $Id: mdoc.3,v 1.31 2009/07/05 19:30:49 kristaps Exp $
.\"
.\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
.\"
.\" 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.
+.\" 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 AUTHOR DISCLAIMS ALL
-.\" WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
-.\" WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
-.\" AUTHOR 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.
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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.
.\"
-.Dd $Mdocdate: March 16 2009 $
-.Dt mdoc 3
+.Dd $Mdocdate: July 5 2009 $
+.Dt MDOC 3
.Os
.\" SECTION
.Sh NAME
.Nm mdoc_endparse ,
.Nm mdoc_node ,
.Nm mdoc_meta ,
-.Nm mdoc_free
+.Nm mdoc_free ,
+.Nm mdoc_reset
.Nd mdoc macro compiler library
.\" SECTION
.Sh SYNOPSIS
.Vt extern const char * const * mdoc_macronames;
.Vt extern const char * const * mdoc_argnames;
.Ft "struct mdoc *"
-.Fn mdoc_alloc "void *data" "const struct mdoc_cb *cb"
+.Fn mdoc_alloc "void *data" "int pflags" "const struct mdoc_cb *cb"
+.Ft int
+.Fn mdoc_reset "struct mdoc *mdoc"
.Ft void
.Fn mdoc_free "struct mdoc *mdoc"
.Ft int
.Fn mdoc_parseln "struct mdoc *mdoc" "int line" "char *buf"
.Ft "const struct mdoc_node *"
-.Fn mdoc_node "struct mdoc *mdoc"
+.Fn mdoc_node "const struct mdoc *mdoc"
.Ft "const struct mdoc_meta *"
-.Fn mdoc_meta "struct mdoc *mdoc"
+.Fn mdoc_meta "const struct mdoc *mdoc"
.Ft int
.Fn mdoc_endparse "struct mdoc *mdoc"
.\" SECTION
.Xr mdoc 7
input (and
.Em only
-mdoc) into an abstract syntax tree that generalises the semantic
-annotation of its input. Common front-ends for
-.Nm
-are
-.Xr mdocterm 1 ,
-.Xr mdoclint 1
-and
-.Xr mdoctree 1 .
+mdoc) into an abstract syntax tree (AST).
.\" PARAGRAPH
.Pp
In general, applications initiate a parsing sequence with
.Fn mdoc_meta ,
then free all allocated memory with
.Fn mdoc_free .
-See the
+The
+.Fn mdoc_reset
+function may be used in order to reset the parser for another input
+sequence. See the
.Sx EXAMPLES
section for a full example.
.\" PARAGRAPH
.Fa data
pointer is passed to callbacks in
.Fa cb ,
-which are documented further in the header file. Returns NULL on
-failure. If non-NULL, the pointer must be freed with
+which are documented further in the header file.
+The
+.Fa pflags
+arguments are defined in
+.Pa mdoc.h .
+Returns NULL on failure. If non-NULL, the pointer must be freed with
.Fn mdoc_free .
.\" LIST-ITEM
+.It Fn mdoc_reset
+Reset the parser for another parse routine. After its use,
+.Fn mdoc_parseln
+behaves as if invoked for the first time. If it returns 0, memory could
+not be allocated.
+.\" LIST-ITEM
.It Fn mdoc_free
Free all resources of a parser. The pointer is no longer valid after
invocation.
.Va next
and
.Va prev
-fields) and type-specific data (the
-.Va data
-field).
+fields) and some type-specific data.
.\" PARAGRAPH
.Pp
The tree itself is arranged according to the following normal form,
Further, this example does not error-check nor free memory upon failure.
.Bd -literal -offset "XXXX"
struct mdoc *mdoc;
-struct mdoc_node *node;
+const struct mdoc_node *node;
char *buf;
size_t len;
int line;
line = 1;
-mdoc = mdoc_alloc(NULL, NULL);
+mdoc = mdoc_alloc(NULL, 0, NULL);
while ((buf = fgetln(fp, &len))) {
buf[len - 1] = '\\0';
.Ed
.\" SECTION
.Sh SEE ALSO
-.Xr mdocterm 1 ,
-.Xr mdoclint 1 ,
-.Xr mdoctree 1 ,
+.Xr mandoc 1 ,
.Xr mdoc 7
.\" SECTION
.Sh AUTHORS
.\" LIST-ITEM
.It
The
-.Sq \&Xc
+.Sq \&.Xc
and
-.Sq \&Xo
+.Sq \&.Xo
macros aren't handled when used to span lines for the
-.Sq \&It
+.Sq \&.It
macro.
.\" LIST-ITEM
.It
The
-.Sq \&Bsx
-macro doesn't yet understand version arguments.
+.Sq \&.Bsx
+macro family doesn't yet understand version arguments.
+.\" LIST-ITEM
+.It
+If not given a value, the \-offset argument to
+.Sq \&.Bd
+and
+.Sq \&.Bl
+should be the width of
+.Qq <string> ;
+instead, a value of
+.Li 10n
+is provided.
+.\" LIST-ITEM
+.It
+Columns widths in
+.Sq \&.Bl \-column
+should default to width
+.Qq <stringx>
+if not included.
+.\" LIST-ITEM
+.It
+List-width suffix
+.Qq m
+isn't handled.
+.\" LIST-ITEM
+.It
+Contents of the SYNOPSIS section aren't checked.
.El