-/* $Id: mdoc.h,v 1.101 2010/07/13 23:53:20 schwarze Exp $ */
+/* $Id: mdoc.h,v 1.130 2014/07/02 03:48:07 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
#ifndef MDOC_H
#define MDOC_H
-/*
- * 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.
- */
-
-/* What follows is a list of ALL possible macros. */
-
enum mdoct {
MDOC_Ap = 0,
MDOC_Dd,
MDOC_sp,
MDOC__U,
MDOC_Ta,
+ MDOC_ll,
MDOC_MAX
};
-/* What follows is a list of ALL possible macro arguments. */
-
-/* FIXME: make this into an enum. */
-#define MDOC_Split 0
-#define MDOC_Nosplit 1
-#define MDOC_Ragged 2
-#define MDOC_Unfilled 3
-#define MDOC_Literal 4
-#define MDOC_File 5
-#define MDOC_Offset 6
-#define MDOC_Bullet 7
-#define MDOC_Dash 8
-#define MDOC_Hyphen 9
-#define MDOC_Item 10
-#define MDOC_Enum 11
-#define MDOC_Tag 12
-#define MDOC_Diag 13
-#define MDOC_Hang 14
-#define MDOC_Ohang 15
-#define MDOC_Inset 16
-#define MDOC_Column 17
-#define MDOC_Width 18
-#define MDOC_Compact 19
-#define MDOC_Std 20
-#define MDOC_Filled 21
-#define MDOC_Words 22
-#define MDOC_Emphasis 23
-#define MDOC_Symbolic 24
-#define MDOC_Nested 25
-#define MDOC_Centred 26
-#define MDOC_ARG_MAX 27
+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
+};
-/* Type of a syntax node. */
enum mdoc_type {
MDOC_TEXT,
MDOC_ELEM,
MDOC_TAIL,
MDOC_BODY,
MDOC_BLOCK,
+ MDOC_TBL,
+ MDOC_EQN,
MDOC_ROOT
};
-/* Section (named/unnamed) of `Sh'. */
+/*
+ * 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, /* No section, yet. */
- SEC_NAME,
- SEC_LIBRARY,
- SEC_SYNOPSIS,
- SEC_DESCRIPTION,
- SEC_IMPLEMENTATION,
- SEC_RETURN_VALUES,
- SEC_ENVIRONMENT,
- SEC_FILES,
- SEC_EXIT_STATUS,
- SEC_EXAMPLES,
- SEC_DIAGNOSTICS,
- SEC_COMPATIBILITY,
- SEC_ERRORS,
- SEC_SEE_ALSO,
- SEC_STANDARDS,
- SEC_HISTORY,
- SEC_AUTHORS,
- SEC_CAVEATS,
- SEC_BUGS,
- SEC_SECURITY,
- SEC_CUSTOM, /* User-defined. */
+ 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
};
-/* Information from prologue. */
struct mdoc_meta {
- char *msec;
- char *vol;
- char *arch;
- time_t date;
- char *title;
- char *os;
- char *name;
+ 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 */
};
-/* An argument to a macro (multiple values = `It -column'). */
+/*
+ * An argument to a macro (multiple values = `-column xxx yyy').
+ */
struct mdoc_argv {
- int arg;
+ enum mdocargt arg; /* type of argument */
int line;
int pos;
- size_t sz;
- char **value;
+ size_t sz; /* elements in "value" */
+ char **value; /* argument strings */
};
-struct mdoc_arg {
+/*
+ * 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,
- ENDBODY_NOSPACE
+ ENDBODY_SPACE, /* is broken: append a space */
+ ENDBODY_NOSPACE /* is broken: don't append a space */
};
enum mdoc_list {
LIST__NONE = 0,
- LIST_bullet,
- LIST_column,
- LIST_dash,
- LIST_diag,
- LIST_enum,
- LIST_hang,
- LIST_hyphen,
- LIST_inset,
- LIST_item,
- LIST_ohang,
- LIST_tag
+ 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_centred,
- DISP_ragged,
- DISP_unfilled,
- DISP_filled,
- DISP_literal
+ DISP_centred, /* -centered */
+ DISP_ragged, /* -ragged */
+ DISP_unfilled, /* -unfilled */
+ DISP_filled, /* -filled */
+ DISP_literal /* -literal */
};
enum mdoc_auth {
AUTH__NONE = 0,
- AUTH_split,
- AUTH_nosplit
+ AUTH_split, /* -split */
+ AUTH_nosplit /* -nosplit */
};
enum mdoc_font {
FONT__NONE = 0,
- FONT_Em,
- FONT_Li,
- FONT_Sy
+ FONT_Em, /* Em, -emphasis */
+ FONT_Li, /* Li, -literal */
+ FONT_Sy /* Sy, -symbolic */
};
struct mdoc_bd {
int comp; /* -compact */
size_t ncols; /* -column arg count */
const char **cols; /* -column val ptr */
+ int count; /* -enum counter */
};
struct mdoc_bf {
enum mdoc_auth auth; /* -split, etc. */
};
-/* Node in AST. */
+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_ACTED (1 << 1) /* has been acted upon */
#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 */
- enum mdoc_endbody end; /* BODY */
-
- union {
- struct mdoc_an An;
- struct mdoc_bd *Bd;
- struct mdoc_bf *Bf;
- struct mdoc_bl *Bl;
- } data;
+ 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 */
};
-#define MDOC_IGN_SCOPE (1 << 0) /* Ignore scope violations. */
-#define MDOC_IGN_ESCAPE (1 << 1) /* Ignore bad escape sequences. */
-#define MDOC_IGN_MACRO (1 << 2) /* Ignore unknown macros. */
-
-/* See mdoc.3 for documentation. */
-
+/* Names of macros. Index is enum mdoct. */
extern const char *const *mdoc_macronames;
+
+/* Names of macro args. Index is enum mdocargt. */
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 *, int, 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 *);
-int mdoc_endparse(struct mdoc *);
+void mdoc_deroff(char **, const struct mdoc_node *);
__END_DECLS
git.ckatri.com / mandoc.git / blobdiff