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authorKristaps Dzonsons <kristaps@bsd.lv>2010-10-04 07:01:02 +0000
committerKristaps Dzonsons <kristaps@bsd.lv>2010-10-04 07:01:02 +0000
commit6a17bcf5ed0e454052dceadd76bb46d8e703c2f8 (patch)
treeac595644652cffaae872d5d6081b23a10646a1f4
parent4d2382996b261e8be35cad8e75ba96e1aa68435c (diff)
downloadmandoc-6a17bcf5ed0e454052dceadd76bb46d8e703c2f8.tar.gz
Revert merging of {mdoc,man}.h -> mandoc.h.
While I'm add it, properly document all structures in these files.
-rw-r--r--man.h94
-rw-r--r--mandoc.h434
-rw-r--r--mdoc.h393
3 files changed, 506 insertions, 415 deletions
diff --git a/man.h b/man.h
index a7181f5f..4de03fbf 100644
--- a/man.h
+++ b/man.h
@@ -17,8 +17,100 @@
#ifndef MAN_H
#define MAN_H
-#include <time.h>
+/*
+ * What follows is a list of ALL possible macros.
+ */
+enum mant {
+ MAN_br = 0,
+ MAN_TH,
+ MAN_SH,
+ MAN_SS,
+ MAN_TP,
+ MAN_LP,
+ MAN_PP,
+ MAN_P,
+ MAN_IP,
+ MAN_HP,
+ MAN_SM,
+ MAN_SB,
+ MAN_BI,
+ MAN_IB,
+ MAN_BR,
+ MAN_RB,
+ MAN_R,
+ MAN_B,
+ MAN_I,
+ MAN_IR,
+ MAN_RI,
+ MAN_na,
+ MAN_i,
+ MAN_sp,
+ MAN_nf,
+ MAN_fi,
+ MAN_r,
+ MAN_RE,
+ MAN_RS,
+ MAN_DT,
+ MAN_UC,
+ MAN_PD,
+ MAN_Sp,
+ MAN_Vb,
+ MAN_Ve,
+ MAN_AT,
+ MAN_in,
+ MAN_MAX
+};
+
+/*
+ * Type of a syntax node.
+ */
+enum man_type {
+ MAN_TEXT,
+ MAN_ELEM,
+ MAN_ROOT,
+ MAN_BLOCK,
+ MAN_HEAD,
+ MAN_BODY
+};
+
+/*
+ * Information from prologue.
+ */
+struct man_meta {
+ char *msec; /* `TH' section (1, 3p, etc.) */
+ time_t date; /* `TH' normalised date */
+ char *rawdate; /* raw `TH' date */
+ char *vol; /* `TH' volume */
+ char *title; /* `TH' title (e.g., FOO) */
+ char *source; /* `TH' source (e.g., GNU) */
+};
+/*
+ * Single node in tree-linked AST.
+ */
+struct man_node {
+ struct man_node *parent; /* parent AST node */
+ struct man_node *child; /* first child AST node */
+ struct man_node *next; /* sibling AST node */
+ struct man_node *prev; /* prior sibling AST node */
+ int nchild; /* number children */
+ int line;
+ int pos;
+ enum mant tok; /* tok or MAN__MAX if none */
+ int flags;
+#define MAN_VALID (1 << 0) /* has been validated */
+#define MAN_ACTED (1 << 1) /* has been acted upon */
+#define MAN_EOS (1 << 2) /* at sentence boundary */
+ enum man_type type; /* AST node type */
+ char *string; /* TEXT node argument */
+ struct man_node *head; /* BLOCK node HEAD ptr */
+ struct man_node *body; /* BLOCK node BODY ptr */
+};
+
+/*
+ * Names of macros. Index is enum mant. Indexing into this returns
+ * the normalised name, e.g., man_macronames[MAN_SH] -> "SH".
+ */
extern const char *const *man_macronames;
__BEGIN_DECLS
diff --git a/mandoc.h b/mandoc.h
index d417c335..77b23b97 100644
--- a/mandoc.h
+++ b/mandoc.h
@@ -20,19 +20,27 @@
#define ASCII_NBRSP 31 /* non-breaking space */
#define ASCII_HYPH 30 /* breakable hyphen */
-__BEGIN_DECLS
-
+/*
+ * Status level. This refers to both internal status (i.e., whilst
+ * running, when warnings/errors are reported) and an indicator of a
+ * threshold of when to halt (when said internal state exceeds the
+ * threshold).
+ */
enum mandoclevel {
MANDOCLEVEL_OK = 0,
MANDOCLEVEL_RESERVED,
- MANDOCLEVEL_WARNING,
- MANDOCLEVEL_ERROR,
- MANDOCLEVEL_FATAL,
- MANDOCLEVEL_BADARG,
- MANDOCLEVEL_SYSERR,
+ MANDOCLEVEL_WARNING, /* warnings: syntax, whitespace, etc. */
+ MANDOCLEVEL_ERROR, /* input has been thrown away */
+ MANDOCLEVEL_FATAL, /* input is borked */
+ MANDOCLEVEL_BADARG, /* bad argument in invocation */
+ MANDOCLEVEL_SYSERR, /* system error */
MANDOCLEVEL_MAX
};
+/*
+ * All possible things that can go wrong within a parse, be it libroff,
+ * libmdoc, or libman.
+ */
enum mandocerr {
MANDOCERR_OK,
@@ -113,406 +121,20 @@ enum mandocerr {
MANDOCERR_MAX
};
+/*
+ * Available registers (set in libroff, accessed elsewhere).
+ */
enum regs {
- REG_nS = 0, /* register: nS */
+ REG_nS = 0,
REG__MAX
};
-enum mant {
- MAN_br = 0,
- MAN_TH,
- MAN_SH,
- MAN_SS,
- MAN_TP,
- MAN_LP,
- MAN_PP,
- MAN_P,
- MAN_IP,
- MAN_HP,
- MAN_SM,
- MAN_SB,
- MAN_BI,
- MAN_IB,
- MAN_BR,
- MAN_RB,
- MAN_R,
- MAN_B,
- MAN_I,
- MAN_IR,
- MAN_RI,
- MAN_na,
- MAN_i,
- MAN_sp,
- MAN_nf,
- MAN_fi,
- MAN_r,
- MAN_RE,
- MAN_RS,
- MAN_DT,
- MAN_UC,
- MAN_PD,
- MAN_Sp,
- MAN_Vb,
- MAN_Ve,
- MAN_AT,
- MAN_in,
- MAN_MAX
-};
-
-enum man_type {
- MAN_TEXT,
- MAN_ELEM,
- MAN_ROOT,
- MAN_BLOCK,
- MAN_HEAD,
- MAN_BODY
-};
-
-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_MAX
-};
-
-enum mdocargt {
- MDOC_Split,
- MDOC_Nosplit,
- MDOC_Ragged,
- MDOC_Unfilled,
- MDOC_Literal,
- MDOC_File,
- MDOC_Offset,
- MDOC_Bullet,
- MDOC_Dash,
- MDOC_Hyphen,
- MDOC_Item,
- MDOC_Enum,
- MDOC_Tag,
- MDOC_Diag,
- MDOC_Hang,
- MDOC_Ohang,
- MDOC_Inset,
- MDOC_Column,
- MDOC_Width,
- MDOC_Compact,
- MDOC_Std,
- MDOC_Filled,
- MDOC_Words,
- MDOC_Emphasis,
- MDOC_Symbolic,
- MDOC_Nested,
- MDOC_Centred,
- MDOC_ARG_MAX
-};
-
-enum mdoc_type {
- MDOC_TEXT,
- MDOC_ELEM,
- MDOC_HEAD,
- MDOC_TAIL,
- MDOC_BODY,
- MDOC_BLOCK,
- MDOC_ROOT
-};
-
-enum mdoc_sec {
- SEC_NONE,
- 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,
- SEC__MAX
-};
-
-enum mdoc_endbody {
- ENDBODY_NOT = 0,
- ENDBODY_SPACE,
- ENDBODY_NOSPACE
-};
-
-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
-};
-
-enum mdoc_disp {
- DISP__NONE = 0,
- DISP_centred,
- DISP_ragged,
- DISP_unfilled,
- DISP_filled,
- DISP_literal
-};
-
-enum mdoc_auth {
- AUTH__NONE = 0,
- AUTH_split,
- AUTH_nosplit
-};
-
-enum mdoc_font {
- FONT__NONE = 0,
- FONT_Em,
- FONT_Li,
- FONT_Sy
-};
-
-struct man_meta {
- char *msec; /* `TH' section (e.g., 1--9) */
- time_t date; /* parsed `TH' date */
- char *rawdate; /* raw `TH' date */
- char *vol; /* `TH' volume (e.g., KM) */
- char *title; /* `TH' title (e.g., LS, CAT) */
- char *source; /* `TH' source (e.g., GNU) */
-};
-
-struct man_node {
- struct man_node *parent;
- struct man_node *child;
- struct man_node *next;
- struct man_node *prev;
- int nchild;
- int line;
- int pos;
- enum mant tok;
- int flags;
-#define MAN_VALID (1 << 0)
-#define MAN_ACTED (1 << 1)
-#define MAN_EOS (1 << 2)
- enum man_type type;
- char *string;
- struct man_node *head;
- struct man_node *body;
-};
-
-struct mdoc_meta {
- char *msec; /* `Dt' section (e.g., 1--9) */
- char *vol; /* `Dt' volume (e.g., LOCAL) */
- char *arch; /* `Dt' architecture (e.g., i386) */
- time_t date; /* `Dd' date */
- char *title; /* `Dt' title (e.g., LS, CAT) */
- char *os; /* `Os' system (e.g., OpenBSD) */
- char *name; /* leading `Nm' (e.g., ls, cat) */
-};
-
-struct mdoc_argv {
- enum mdocargt arg;
- int line;
- int pos;
- size_t sz;
- char **value;
-};
-
-struct mdoc_arg {
- size_t argc;
- struct mdoc_argv *argv;
- unsigned int refcnt;
-};
-
-
-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 */
-};
-
-struct mdoc_bf {
- enum mdoc_font font; /* font */
-};
-
-struct mdoc_an {
- enum mdoc_auth auth; /* -split, etc. */
-};
-
-struct mdoc_node {
- struct mdoc_node *parent; /* parent AST node */
- struct mdoc_node *child; /* first 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 */
- 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 */
- enum mdoc_type type; /* AST node type */
- enum mdoc_sec sec; /* current named section */
- /* XXX: 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;
+/*
+ * 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 */
};
/*
@@ -523,9 +145,7 @@ struct mdoc_node {
*/
struct reg {
int set; /* whether set or not */
- union {
- unsigned u; /* unsigned integer */
- } v;
+ union regval v; /* parsed data */
};
/*
@@ -537,6 +157,8 @@ struct regset {
struct reg regs[REG__MAX];
};
+__BEGIN_DECLS
+
/*
* Callback function for warnings, errors, and fatal errors as they
* occur in the compilers libroff, libmdoc, and libman.
diff --git a/mdoc.h b/mdoc.h
index 02f40c27..0e494f83 100644
--- a/mdoc.h
+++ b/mdoc.h
@@ -17,25 +17,402 @@
#ifndef MDOC_H
#define MDOC_H
+/*
+ * What follows is a list of ALL possible macros.
+ */
+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_MAX
+};
+
+/*
+ * What follows is a list of ALL possible macro arguments.
+ */
+enum mdocargt {
+ MDOC_Split,
+ MDOC_Nosplit,
+ MDOC_Ragged,
+ MDOC_Unfilled,
+ MDOC_Literal,
+ MDOC_File,
+ MDOC_Offset,
+ MDOC_Bullet,
+ MDOC_Dash,
+ MDOC_Hyphen,
+ MDOC_Item,
+ MDOC_Enum,
+ MDOC_Tag,
+ MDOC_Diag,
+ MDOC_Hang,
+ MDOC_Ohang,
+ MDOC_Inset,
+ MDOC_Column,
+ MDOC_Width,
+ MDOC_Compact,
+ MDOC_Std,
+ MDOC_Filled,
+ MDOC_Words,
+ MDOC_Emphasis,
+ MDOC_Symbolic,
+ MDOC_Nested,
+ MDOC_Centred,
+ MDOC_ARG_MAX
+};
+
+/*
+ * Type of a syntax node.
+ */
+enum mdoc_type {
+ MDOC_TEXT,
+ MDOC_ELEM,
+ MDOC_HEAD,
+ MDOC_TAIL,
+ MDOC_BODY,
+ MDOC_BLOCK,
+ MDOC_ROOT
+};
+
+/*
+ * Section (named/unnamed) of `Sh'. Note that these appear in the
+ * conventional order imposed by mdoc.7.
+ */
+enum mdoc_sec {
+ SEC_NONE = 0, /* 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__MAX
+};
+
+/*
+ * Information from prologue.
+ */
+struct mdoc_meta {
+ char *msec; /* `Dt' section (1, 3p, etc.) */
+ char *vol; /* `Dt' volume (implied) */
+ char *arch; /* `Dt' arch (i386, etc.) */
+ time_t 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 = `-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 */
+};
+
/*
- * 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.
+ * 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;
+};
-/* See mdoc.3 for documentation. */
+/*
+ * 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 */
+};
+
+/*
+ * Normalised `Bl' list type.
+ */
+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
+};
+
+/*
+ * Normalised `Bd' display type.
+ */
+enum mdoc_disp {
+ DISP__NONE = 0,
+ DISP_centred,
+ DISP_ragged,
+ DISP_unfilled,
+ DISP_filled,
+ DISP_literal
+};
+
+/*
+ * Normalised `An' splitting argument.
+ */
+enum mdoc_auth {
+ AUTH__NONE = 0,
+ AUTH_split,
+ AUTH_nosplit
+};
+/*
+ * Normalised `Bf' font type.
+ */
+enum mdoc_font {
+ FONT__NONE = 0,
+ FONT_Em,
+ FONT_Li,
+ FONT_Sy
+};
+
+/*
+ * Normalised arguments for `Bd'.
+ */
+struct mdoc_bd {
+ const char *offs; /* -offset */
+ enum mdoc_disp type; /* -ragged, etc. */
+ int comp; /* -compact */
+};
+
+/*
+ * Normalised arguments for `Bl'.
+ */
+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 */
+};
+
+/*
+ * Normalised arguments for `Bf'.
+ */
+struct mdoc_bf {
+ enum mdoc_font font; /* font */
+};
+
+/*
+ * Normalised arguments for `An'.
+ */
+struct mdoc_an {
+ enum mdoc_auth auth; /* -split, etc. */
+};
+
+/*
+ * 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;
+};
+
+/*
+ * 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 *next; /* sibling AST node */
+ struct mdoc_node *prev; /* prior sibling AST node */
+ int nchild; /* number children */
+ int line; /* parse line */
+ int pos; /* parse column */
+ 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 */
+ enum mdoc_type type; /* AST node type */
+ enum mdoc_sec sec; /* current named section */
+ /* 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 mdoc_data data;
+};
+
+/*
+ * Names of macros. Index is enum mdoct. Indexing into this returns
+ * the normalised name, e.g., mdoc_macronames[MDOC_Sh] -> "Sh".
+ */
extern const char *const *mdoc_macronames;
+
+/*
+ * Names of macro args. Index is enum mdocargt. Indexing into this
+ * returns the normalised name, e.g., mdoc_argnames[MDOC_File] ->
+ * "file".
+ */
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 *);