version 1.78, 2010/05/13 06:22:11 |
version 1.112, 2010/12/25 23:25:53 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#ifndef MDOC_H |
#ifndef MDOC_H |
#define MDOC_H |
#define MDOC_H |
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/* |
/* |
* This library implements a validating scanner/parser for ``mdoc'' roff |
* What follows is a list of ALL possible macros. |
* macro documents, a.k.a. BSD manual page documents. The mdoc.c file |
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* drives the parser, while macro.c describes the macro ontologies. |
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* validate.c pre- and post-validates parsed macros, and action.c |
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* performs actions on parsed and validated macros. |
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*/ |
*/ |
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/* What follows is a list of ALL possible macros. */ |
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enum mdoct { |
enum mdoct { |
MDOC_Ap = 0, |
MDOC_Ap = 0, |
MDOC_Dd, |
MDOC_Dd, |
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MDOC_br, |
MDOC_br, |
MDOC_sp, |
MDOC_sp, |
MDOC__U, |
MDOC__U, |
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MDOC_Ta, |
MDOC_MAX |
MDOC_MAX |
}; |
}; |
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/* What follows is a list of ALL possible macro arguments. */ |
/* |
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* What follows is a list of ALL possible macro arguments. |
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*/ |
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enum mdocargt { |
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MDOC_Split, |
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MDOC_Nosplit, |
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MDOC_Ragged, |
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MDOC_Unfilled, |
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MDOC_Literal, |
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MDOC_File, |
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MDOC_Offset, |
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MDOC_Bullet, |
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MDOC_Dash, |
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MDOC_Hyphen, |
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MDOC_Item, |
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MDOC_Enum, |
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MDOC_Tag, |
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MDOC_Diag, |
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MDOC_Hang, |
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MDOC_Ohang, |
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MDOC_Inset, |
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MDOC_Column, |
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MDOC_Width, |
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MDOC_Compact, |
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MDOC_Std, |
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MDOC_Filled, |
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MDOC_Words, |
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MDOC_Emphasis, |
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MDOC_Symbolic, |
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MDOC_Nested, |
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MDOC_Centred, |
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MDOC_ARG_MAX |
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}; |
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#define MDOC_Split 0 |
/* |
#define MDOC_Nosplit 1 |
* Type of a syntax node. |
#define MDOC_Ragged 2 |
*/ |
#define MDOC_Unfilled 3 |
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#define MDOC_Literal 4 |
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#define MDOC_File 5 |
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#define MDOC_Offset 6 |
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#define MDOC_Bullet 7 |
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#define MDOC_Dash 8 |
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#define MDOC_Hyphen 9 |
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#define MDOC_Item 10 |
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#define MDOC_Enum 11 |
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#define MDOC_Tag 12 |
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#define MDOC_Diag 13 |
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#define MDOC_Hang 14 |
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#define MDOC_Ohang 15 |
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#define MDOC_Inset 16 |
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#define MDOC_Column 17 |
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#define MDOC_Width 18 |
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#define MDOC_Compact 19 |
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#define MDOC_Std 20 |
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#define MDOC_Filled 21 |
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#define MDOC_Words 22 |
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#define MDOC_Emphasis 23 |
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#define MDOC_Symbolic 24 |
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#define MDOC_Nested 25 |
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#define MDOC_Centred 26 |
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#define MDOC_ARG_MAX 27 |
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/* Type of a syntax node. */ |
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enum mdoc_type { |
enum mdoc_type { |
MDOC_TEXT, |
MDOC_TEXT, |
MDOC_ELEM, |
MDOC_ELEM, |
Line 194 enum mdoc_type { |
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Line 193 enum mdoc_type { |
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MDOC_ROOT |
MDOC_ROOT |
}; |
}; |
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/* Section (named/unnamed) of `Sh'. */ |
/* |
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* Section (named/unnamed) of `Sh'. Note that these appear in the |
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* conventional order imposed by mdoc.7. |
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*/ |
enum mdoc_sec { |
enum mdoc_sec { |
SEC_NONE, /* No section, yet. */ |
SEC_NONE = 0, /* No section, yet. */ |
SEC_NAME, |
SEC_NAME, |
SEC_LIBRARY, |
SEC_LIBRARY, |
SEC_SYNOPSIS, |
SEC_SYNOPSIS, |
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SEC_CAVEATS, |
SEC_CAVEATS, |
SEC_BUGS, |
SEC_BUGS, |
SEC_SECURITY, |
SEC_SECURITY, |
SEC_CUSTOM, /* User-defined. */ |
SEC_CUSTOM, /* User-defined. */ |
SEC__MAX |
SEC__MAX |
}; |
}; |
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/* Information from prologue. */ |
/* |
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* Information from prologue. |
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*/ |
struct mdoc_meta { |
struct mdoc_meta { |
int msec; |
char *msec; /* `Dt' section (1, 3p, etc.) */ |
char *vol; |
char *vol; /* `Dt' volume (implied) */ |
char *arch; |
char *arch; /* `Dt' arch (i386, etc.) */ |
time_t date; |
time_t date; /* `Dd' normalised date */ |
char *title; |
char *title; /* `Dt' title (FOO, etc.) */ |
char *os; |
char *os; /* `Os' system (OpenBSD, etc.) */ |
char *name; |
char *name; /* leading `Nm' name */ |
}; |
}; |
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/* An argument to a macro (multiple values = `It -column'). */ |
/* |
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* An argument to a macro (multiple values = `-column xxx yyy'). |
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*/ |
struct mdoc_argv { |
struct mdoc_argv { |
int arg; |
enum mdocargt arg; /* type of argument */ |
int line; |
int line; |
int pos; |
int pos; |
size_t sz; |
size_t sz; /* elements in "value" */ |
char **value; |
char **value; /* argument strings */ |
}; |
}; |
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/* |
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* Reference-counted macro arguments. These are refcounted because |
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* blocks have multiple instances of the same arguments spread across |
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* the HEAD, BODY, TAIL, and BLOCK node types. |
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*/ |
struct mdoc_arg { |
struct mdoc_arg { |
size_t argc; |
size_t argc; |
struct mdoc_argv *argv; |
struct mdoc_argv *argv; |
unsigned int refcnt; |
unsigned int refcnt; |
}; |
}; |
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/* Node in AST. */ |
/* |
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* Indicates that a BODY's formatting has ended, but the scope is still |
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* open. Used for syntax-broken blocks. |
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*/ |
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enum mdoc_endbody { |
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ENDBODY_NOT = 0, |
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ENDBODY_SPACE, /* is broken: append a space */ |
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ENDBODY_NOSPACE /* is broken: don't append a space */ |
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}; |
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/* |
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* Normalised `Bl' list type. |
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*/ |
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enum mdoc_list { |
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LIST__NONE = 0, |
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LIST_bullet, |
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LIST_column, |
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LIST_dash, |
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LIST_diag, |
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LIST_enum, |
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LIST_hang, |
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LIST_hyphen, |
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LIST_inset, |
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LIST_item, |
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LIST_ohang, |
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LIST_tag, |
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LIST_MAX |
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}; |
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/* |
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* Normalised `Bd' display type. |
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*/ |
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enum mdoc_disp { |
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DISP__NONE = 0, |
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DISP_centred, |
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DISP_ragged, |
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DISP_unfilled, |
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DISP_filled, |
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DISP_literal |
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}; |
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/* |
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* Normalised `An' splitting argument. |
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*/ |
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enum mdoc_auth { |
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AUTH__NONE = 0, |
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AUTH_split, |
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AUTH_nosplit |
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}; |
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/* |
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* Normalised `Bf' font type. |
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*/ |
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enum mdoc_font { |
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FONT__NONE = 0, |
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FONT_Em, |
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FONT_Li, |
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FONT_Sy |
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}; |
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/* |
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* Normalised arguments for `Bd'. |
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*/ |
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struct mdoc_bd { |
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const char *offs; /* -offset */ |
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enum mdoc_disp type; /* -ragged, etc. */ |
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int comp; /* -compact */ |
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}; |
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/* |
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* Normalised arguments for `Bl'. |
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*/ |
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struct mdoc_bl { |
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const char *width; /* -width */ |
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const char *offs; /* -offset */ |
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enum mdoc_list type; /* -tag, -enum, etc. */ |
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int comp; /* -compact */ |
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size_t ncols; /* -column arg count */ |
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const char **cols; /* -column val ptr */ |
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}; |
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/* |
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* Normalised arguments for `Bf'. |
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*/ |
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struct mdoc_bf { |
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enum mdoc_font font; /* font */ |
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}; |
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/* |
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* Normalised arguments for `An'. |
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*/ |
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struct mdoc_an { |
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enum mdoc_auth auth; /* -split, etc. */ |
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}; |
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struct mdoc_rs { |
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struct mdoc_node *child_J; /* pointer to %J */ |
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}; |
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/* |
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* Consists of normalised node arguments. These should be used instead |
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* of iterating through the mdoc_arg pointers of a node: defaults are |
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* provided, etc. |
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*/ |
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union mdoc_data { |
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struct mdoc_an An; |
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struct mdoc_bd Bd; |
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struct mdoc_bf Bf; |
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struct mdoc_bl Bl; |
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struct mdoc_rs Rs; |
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}; |
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/* |
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* Single node in tree-linked AST. |
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*/ |
struct mdoc_node { |
struct mdoc_node { |
struct mdoc_node *parent; /* parent AST node */ |
struct mdoc_node *parent; /* parent AST node */ |
struct mdoc_node *child; /* first child AST node */ |
struct mdoc_node *child; /* first child AST node */ |
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struct mdoc_node *last; /* last child AST node */ |
struct mdoc_node *next; /* sibling AST node */ |
struct mdoc_node *next; /* sibling AST node */ |
struct mdoc_node *prev; /* prior sibling AST node */ |
struct mdoc_node *prev; /* prior sibling AST node */ |
int nchild; /* number children */ |
int nchild; /* number children */ |
Line 262 struct mdoc_node { |
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Line 388 struct mdoc_node { |
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#define MDOC_ACTED (1 << 1) /* has been acted upon */ |
#define MDOC_ACTED (1 << 1) /* has been acted upon */ |
#define MDOC_EOS (1 << 2) /* at sentence boundary */ |
#define MDOC_EOS (1 << 2) /* at sentence boundary */ |
#define MDOC_LINE (1 << 3) /* first macro/text on line */ |
#define MDOC_LINE (1 << 3) /* first macro/text on line */ |
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#define MDOC_SYNPRETTY (1 << 4) /* SYNOPSIS-style formatting */ |
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#define MDOC_ENDED (1 << 5) /* rendering has been ended */ |
enum mdoc_type type; /* AST node type */ |
enum mdoc_type type; /* AST node type */ |
enum mdoc_sec sec; /* current named section */ |
enum mdoc_sec sec; /* current named section */ |
struct mdoc_arg *args; /* BLOCK/ELEM */ |
union mdoc_data *norm; /* normalised args */ |
#ifdef UGLY |
/* FIXME: these can be union'd to shave a few bytes. */ |
struct mdoc_node *pending; /* BLOCK */ |
struct mdoc_arg *args; /* BLOCK/ELEM */ |
#endif |
struct mdoc_node *pending; /* BLOCK */ |
struct mdoc_node *head; /* BLOCK */ |
struct mdoc_node *head; /* BLOCK */ |
struct mdoc_node *body; /* BLOCK */ |
struct mdoc_node *body; /* BLOCK */ |
struct mdoc_node *tail; /* BLOCK */ |
struct mdoc_node *tail; /* BLOCK */ |
char *string; /* TEXT */ |
char *string; /* TEXT */ |
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enum mdoc_endbody end; /* BODY */ |
}; |
}; |
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#define MDOC_IGN_SCOPE (1 << 0) /* Ignore scope violations. */ |
/* |
#define MDOC_IGN_ESCAPE (1 << 1) /* Ignore bad escape sequences. */ |
* Names of macros. Index is enum mdoct. Indexing into this returns |
#define MDOC_IGN_MACRO (1 << 2) /* Ignore unknown macros. */ |
* the normalised name, e.g., mdoc_macronames[MDOC_Sh] -> "Sh". |
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*/ |
/* Call-backs for parse messages. */ |
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struct mdoc_cb { |
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int (*mdoc_err)(void *, int, int, const char *); |
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int (*mdoc_warn)(void *, int, int, const char *); |
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}; |
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/* See mdoc.3 for documentation. */ |
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extern const char *const *mdoc_macronames; |
extern const char *const *mdoc_macronames; |
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/* |
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* Names of macro args. Index is enum mdocargt. Indexing into this |
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* returns the normalised name, e.g., mdoc_argnames[MDOC_File] -> |
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* "file". |
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*/ |
extern const char *const *mdoc_argnames; |
extern const char *const *mdoc_argnames; |
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__BEGIN_DECLS |
__BEGIN_DECLS |
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struct mdoc; |
struct mdoc; |
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/* See mdoc.3 for documentation. */ |
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void mdoc_free(struct mdoc *); |
void mdoc_free(struct mdoc *); |
struct mdoc *mdoc_alloc(void *, int, const struct mdoc_cb *); |
struct mdoc *mdoc_alloc(struct regset *, void *, mandocmsg); |
void mdoc_reset(struct mdoc *); |
void mdoc_reset(struct mdoc *); |
int mdoc_parseln(struct mdoc *, int, char *buf); |
int mdoc_parseln(struct mdoc *, int, char *, int); |
const struct mdoc_node *mdoc_node(const struct mdoc *); |
const struct mdoc_node *mdoc_node(const struct mdoc *); |
const struct mdoc_meta *mdoc_meta(const struct mdoc *); |
const struct mdoc_meta *mdoc_meta(const struct mdoc *); |
int mdoc_endparse(struct mdoc *); |
int mdoc_endparse(struct mdoc *); |