-/* $Id: mdoc.c,v 1.205 2013/10/21 23:47:58 schwarze Exp $ */
+/* $Id: mdoc.c,v 1.213 2014/04/20 16:46:05 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
#include <sys/types.h>
#include <assert.h>
+#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "mdoc.h"
#include "mandoc.h"
+#include "mandoc_aux.h"
#include "libmdoc.h"
#include "libmandoc.h"
-const char *const __mdoc_macronames[MDOC_MAX] = {
+const char *const __mdoc_macronames[MDOC_MAX] = {
"Ap", "Dd", "Dt", "Os",
"Sh", "Ss", "Pp", "D1",
"Dl", "Bd", "Ed", "Bl",
"Ic", "In", "Li", "Nd",
"Nm", "Op", "Ot", "Pa",
"Rv", "St", "Va", "Vt",
- /* LINTED */
"Xr", "%A", "%B", "%D",
- /* LINTED */
"%I", "%J", "%N", "%O",
- /* LINTED */
"%P", "%R", "%T", "%V",
"Ac", "Ao", "Aq", "At",
"Bc", "Bf", "Bo", "Bq",
"Bk", "Ek", "Bt", "Hf",
"Fr", "Ud", "Lb", "Lp",
"Lk", "Mt", "Brq", "Bro",
- /* LINTED */
"Brc", "%C", "Es", "En",
- /* LINTED */
"Dx", "%Q", "br", "sp",
- /* LINTED */
- "%U", "Ta"
+ "%U", "Ta", "ll",
};
-const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
+const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
"split", "nosplit", "ragged",
- "unfilled", "literal", "file",
- "offset", "bullet", "dash",
- "hyphen", "item", "enum",
- "tag", "diag", "hang",
- "ohang", "inset", "column",
- "width", "compact", "std",
+ "unfilled", "literal", "file",
+ "offset", "bullet", "dash",
+ "hyphen", "item", "enum",
+ "tag", "diag", "hang",
+ "ohang", "inset", "column",
+ "width", "compact", "std",
"filled", "words", "emphasis",
"symbolic", "nested", "centered"
};
const char * const *mdoc_argnames = __mdoc_argnames;
static void mdoc_node_free(struct mdoc_node *);
-static void mdoc_node_unlink(struct mdoc *,
+static void mdoc_node_unlink(struct mdoc *,
struct mdoc_node *);
static void mdoc_free1(struct mdoc *);
static void mdoc_alloc1(struct mdoc *);
-static struct mdoc_node *node_alloc(struct mdoc *, int, int,
+static struct mdoc_node *node_alloc(struct mdoc *, int, int,
enum mdoct, enum mdoc_type);
-static int node_append(struct mdoc *,
+static int node_append(struct mdoc *,
struct mdoc_node *);
#if 0
static int mdoc_preptext(struct mdoc *, int, char *, int);
static int mdoc_ptext(struct mdoc *, int, char *, int);
static int mdoc_pmacro(struct mdoc *, int, char *, int);
+
const struct mdoc_node *
mdoc_node(const struct mdoc *mdoc)
{
return(mdoc->first);
}
-
const struct mdoc_meta *
mdoc_meta(const struct mdoc *mdoc)
{
return(&mdoc->meta);
}
-
/*
* Frees volatile resources (parse tree, meta-data, fields).
*/
free(mdoc->meta.date);
}
-
/*
* Allocate all volatile resources (parse tree, meta-data, fields).
*/
mdoc->next = MDOC_NEXT_CHILD;
}
-
/*
* Free up volatile resources (see mdoc_free1()) then re-initialises the
* data with mdoc_alloc1(). After invocation, parse data has been reset
mdoc_alloc1(mdoc);
}
-
/*
* Completely free up all volatile and non-volatile parse resources.
* After invocation, the pointer is no longer usable.
free(mdoc);
}
-
/*
- * Allocate volatile and non-volatile parse resources.
+ * Allocate volatile and non-volatile parse resources.
*/
struct mdoc *
-mdoc_alloc(struct roff *roff, struct mparse *parse, char *defos)
+mdoc_alloc(struct roff *roff, struct mparse *parse,
+ char *defos, int quick)
{
struct mdoc *p;
p->parse = parse;
p->defos = defos;
+ p->quick = quick;
p->roff = roff;
mdoc_hash_init();
return(p);
}
-
/*
* Climb back up the parse tree, validating open scopes. Mostly calls
* through to macro_end() in macro.c.
return(1);
}
-
/*
* Main parse routine. Parses a single line -- really just hands off to
* the macro (mdoc_pmacro()) or text parser (mdoc_ptext()).
mdoc->flags &= ~MDOC_SYNOPSIS;
return(roff_getcontrol(mdoc->roff, buf, &offs) ?
- mdoc_pmacro(mdoc, ln, buf, offs) :
- mdoc_ptext(mdoc, ln, buf, offs));
+ mdoc_pmacro(mdoc, ln, buf, offs) :
+ mdoc_ptext(mdoc, ln, buf, offs));
}
int
/* If we're in the body, deny prologue calls. */
- if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
- MDOC_PBODY & mdoc->flags) {
+ if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
+ MDOC_PBODY & mdoc->flags) {
mdoc_pmsg(mdoc, line, ppos, MANDOCERR_BADBODY);
return(1);
}
/* If we're in the prologue, deny "body" macros. */
- if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
- ! (MDOC_PBODY & mdoc->flags)) {
+ if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
+ ! (MDOC_PBODY & mdoc->flags)) {
mdoc_pmsg(mdoc, line, ppos, MANDOCERR_BADPROLOG);
if (NULL == mdoc->meta.msec)
mdoc->meta.msec = mandoc_strdup("1");
assert(MDOC_ROOT != p->type);
switch (mdoc->next) {
- case (MDOC_NEXT_SIBLING):
+ case MDOC_NEXT_SIBLING:
mdoc->last->next = p;
p->prev = mdoc->last;
p->parent = mdoc->last->parent;
break;
- case (MDOC_NEXT_CHILD):
+ case MDOC_NEXT_CHILD:
mdoc->last->child = p;
p->parent = mdoc->last;
break;
*/
switch (p->type) {
- case (MDOC_BODY):
+ case MDOC_BODY:
if (ENDBODY_NOT != p->end)
break;
/* FALLTHROUGH */
- case (MDOC_TAIL):
+ case MDOC_TAIL:
/* FALLTHROUGH */
- case (MDOC_HEAD):
+ case MDOC_HEAD:
p->norm = p->parent->norm;
break;
default:
return(0);
switch (p->type) {
- case (MDOC_HEAD):
+ case MDOC_HEAD:
assert(MDOC_BLOCK == p->parent->type);
p->parent->head = p;
break;
- case (MDOC_TAIL):
+ case MDOC_TAIL:
assert(MDOC_BLOCK == p->parent->type);
p->parent->tail = p;
break;
- case (MDOC_BODY):
+ case MDOC_BODY:
if (p->end)
break;
assert(MDOC_BLOCK == p->parent->type);
mdoc->last = p;
switch (p->type) {
- case (MDOC_TBL):
+ case MDOC_TBL:
/* FALLTHROUGH */
- case (MDOC_TEXT):
+ case MDOC_TEXT:
if ( ! mdoc_valid_post(mdoc))
return(0);
break;
return(1);
}
-
static struct mdoc_node *
-node_alloc(struct mdoc *mdoc, int line, int pos,
+node_alloc(struct mdoc *mdoc, int line, int pos,
enum mdoct tok, enum mdoc_type type)
{
struct mdoc_node *p;
p->sec = mdoc->lastsec;
p->line = line;
p->pos = pos;
+ p->lastline = line;
p->tok = tok;
p->type = type;
return(p);
}
-
int
mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok)
{
return(1);
}
-
int
mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok)
{
return(1);
}
-
int
mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok)
{
return(1);
}
-
int
mdoc_endbody_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok,
struct mdoc_node *body, enum mdoc_endbody end)
return(1);
}
-
int
-mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
+mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
enum mdoct tok, struct mdoc_arg *args)
{
struct mdoc_node *p;
(args->refcnt)++;
switch (tok) {
- case (MDOC_Bd):
+ case MDOC_Bd:
/* FALLTHROUGH */
- case (MDOC_Bf):
+ case MDOC_Bf:
/* FALLTHROUGH */
- case (MDOC_Bl):
+ case MDOC_Bl:
/* FALLTHROUGH */
- case (MDOC_Rs):
+ case MDOC_Rs:
p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
break;
default:
return(1);
}
-
int
-mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
+mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
enum mdoct tok, struct mdoc_arg *args)
{
struct mdoc_node *p;
(args->refcnt)++;
switch (tok) {
- case (MDOC_An):
+ case MDOC_An:
p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
break;
default:
n = mdoc->last;
addstr = roff_strdup(mdoc->roff, p);
- if (-1 == asprintf(&newstr, "%s %s", n->string, addstr)) {
- perror(NULL);
- exit((int)MANDOCLEVEL_SYSERR);
- }
+ mandoc_asprintf(&newstr, "%s %s", n->string, addstr);
free(addstr);
free(n->string);
n->string = newstr;
free(p);
}
-
static void
mdoc_node_unlink(struct mdoc *mdoc, struct mdoc_node *n)
{
mdoc->first = NULL;
}
-
void
mdoc_node_delete(struct mdoc *mdoc, struct mdoc_node *p)
{
if ( ! mdoc_addeqn(mdoc, roff_eqn(mdoc->roff)))
return(0);
offs += (end - (buf + offs));
- }
+ }
return(1);
}
*/
if (MDOC_Bl == n->tok && MDOC_BODY == n->type &&
- LIST_column == n->norm->Bl.type) {
+ LIST_column == n->norm->Bl.type) {
/* `Bl' is open without any children. */
mdoc->flags |= MDOC_FREECOL;
return(mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf));
}
if (MDOC_It == n->tok && MDOC_BLOCK == n->type &&
- NULL != n->parent &&
- MDOC_Bl == n->parent->tok &&
- LIST_column == n->parent->norm->Bl.type) {
+ NULL != n->parent &&
+ MDOC_Bl == n->parent->tok &&
+ LIST_column == n->parent->norm->Bl.type) {
/* `Bl' has block-level `It' children. */
mdoc->flags |= MDOC_FREECOL;
return(mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf));
assert(buf < end);
- if (mandoc_eos(buf+offs, (size_t)(end-buf-offs), 0))
+ if (mandoc_eos(buf+offs, (size_t)(end-buf-offs)))
mdoc->last->flags |= MDOC_EOS;
return(1);
}
-
/*
* Parse a macro line, that is, a line beginning with the control
* character.
sv = offs;
- /*
+ /*
* Copy the first word into a nil-terminated buffer.
* Stop copying when a tab, space, or eoln is encountered.
*/
i = 0;
- while (i < 4 && '\0' != buf[offs] &&
- ' ' != buf[offs] && '\t' != buf[offs])
+ while (i < 4 && '\0' != buf[offs] && ' ' != buf[offs] &&
+ '\t' != buf[offs])
mac[i++] = buf[offs++];
mac[i] = '\0';
tok = (i > 1 || i < 4) ? mdoc_hash_find(mac) : MDOC_MAX;
if (MDOC_MAX == tok) {
- mandoc_vmsg(MANDOCERR_MACRO, mdoc->parse,
- ln, sv, "%s", buf + sv - 1);
+ mandoc_vmsg(MANDOCERR_MACRO, mdoc->parse,
+ ln, sv, "%s", buf + sv - 1);
return(1);
}
while (buf[offs] && ' ' == buf[offs])
offs++;
- /*
+ /*
* Trailing whitespace. Note that tabs are allowed to be passed
* into the parser as "text", so we only warn about spaces here.
*/
*/
if (NULL == mdoc->last || MDOC_It == tok || MDOC_El == tok) {
- if ( ! mdoc_macro(mdoc, tok, ln, sv, &offs, buf))
+ if ( ! mdoc_macro(mdoc, tok, ln, sv, &offs, buf))
goto err;
return(1);
}
*/
if (MDOC_Bl == n->tok && MDOC_BODY == n->type &&
- LIST_column == n->norm->Bl.type) {
+ LIST_column == n->norm->Bl.type) {
mdoc->flags |= MDOC_FREECOL;
if ( ! mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf))
goto err;
*/
if (MDOC_It == n->tok && MDOC_BLOCK == n->type &&
- NULL != n->parent &&
- MDOC_Bl == n->parent->tok &&
- LIST_column == n->parent->norm->Bl.type) {
+ NULL != n->parent &&
+ MDOC_Bl == n->parent->tok &&
+ LIST_column == n->parent->norm->Bl.type) {
mdoc->flags |= MDOC_FREECOL;
- if ( ! mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf))
+ if ( ! mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf))
goto err;
return(1);
}
/* Normal processing of a macro. */
- if ( ! mdoc_macro(mdoc, tok, ln, sv, &offs, buf))
+ if ( ! mdoc_macro(mdoc, tok, ln, sv, &offs, buf))
goto err;
+ /* In quick mode (for mandocdb), abort after the NAME section. */
+
+ if (mdoc->quick && MDOC_Sh == tok &&
+ SEC_NAME != mdoc->last->sec)
+ return(2);
+
return(1);
err: /* Error out. */
if ('\0' == p[1])
switch (p[0]) {
- case('('):
+ case '(':
/* FALLTHROUGH */
- case('['):
+ case '[':
return(DELIM_OPEN);
- case('|'):
+ case '|':
return(DELIM_MIDDLE);
- case('.'):
+ case '.':
/* FALLTHROUGH */
- case(','):
+ case ',':
/* FALLTHROUGH */
- case(';'):
+ case ';':
/* FALLTHROUGH */
- case(':'):
+ case ':':
/* FALLTHROUGH */
- case('?'):
+ case '?':
/* FALLTHROUGH */
- case('!'):
+ case '!':
/* FALLTHROUGH */
- case(')'):
+ case ')':
/* FALLTHROUGH */
- case(']'):
+ case ']':
return(DELIM_CLOSE);
default:
return(DELIM_NONE);
return(DELIM_NONE);
}
+
+void
+mdoc_deroff(char **dest, const struct mdoc_node *n)
+{
+ char *cp;
+ size_t sz;
+
+ if (MDOC_TEXT != n->type) {
+ for (n = n->child; n; n = n->next)
+ mdoc_deroff(dest, n);
+ return;
+ }
+
+ /* Skip leading whitespace. */
+
+ for (cp = n->string; '\0' != *cp; cp++)
+ if (0 == isspace((unsigned char)*cp))
+ break;
+
+ /* Skip trailing whitespace. */
+
+ for (sz = strlen(cp); sz; sz--)
+ if (0 == isspace((unsigned char)cp[sz-1]))
+ break;
+
+ /* Skip empty strings. */
+
+ if (0 == sz)
+ return;
+
+ if (NULL == *dest) {
+ *dest = mandoc_strndup(cp, sz);
+ return;
+ }
+
+ mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp);
+ free(*dest);
+ *dest = cp;
+}