version 1.49, 2009/03/01 23:14:15 |
version 1.253, 2015/10/06 18:32:19 |
|
|
/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
|
* Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* 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 |
* purpose with or without fee is hereby granted, provided that the above |
* above copyright notice and this permission notice appear in all |
* copyright notice and this permission notice appear in all copies. |
* copies. |
|
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
|
*/ |
*/ |
|
#include "config.h" |
|
|
|
#include <sys/types.h> |
|
|
#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
|
#include <stdarg.h> |
#include <stdarg.h> |
#include <stdlib.h> |
|
#include <stdio.h> |
#include <stdio.h> |
|
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
|
#include <time.h> |
|
|
#include "private.h" |
#include "mandoc_aux.h" |
|
#include "mandoc.h" |
|
#include "roff.h" |
|
#include "mdoc.h" |
|
#include "libmandoc.h" |
|
#include "roff_int.h" |
|
#include "libmdoc.h" |
|
|
/* |
const char *const __mdoc_macronames[MDOC_MAX + 1] = { |
* Main caller in the libmdoc library. This begins the parsing routine, |
"text", |
* handles allocation of data, and so forth. Most of the "work" is done |
"Ap", "Dd", "Dt", "Os", |
* in macro.c and validate.c. |
|
*/ |
|
|
|
static struct mdoc_arg *argdup(size_t, const struct mdoc_arg *); |
|
static void argfree(size_t, struct mdoc_arg *); |
|
static void argcpy(struct mdoc_arg *, |
|
const struct mdoc_arg *); |
|
|
|
static struct mdoc_node *mdoc_node_alloc(const struct mdoc *); |
|
static int mdoc_node_append(struct mdoc *, |
|
struct mdoc_node *); |
|
static void mdoc_elem_free(struct mdoc_elem *); |
|
static void mdoc_text_free(struct mdoc_text *); |
|
|
|
|
|
const char *const __mdoc_macronames[MDOC_MAX] = { |
|
"\\\"", "Dd", "Dt", "Os", |
|
"Sh", "Ss", "Pp", "D1", |
"Sh", "Ss", "Pp", "D1", |
"Dl", "Bd", "Ed", "Bl", |
"Dl", "Bd", "Ed", "Bl", |
"El", "It", "Ad", "An", |
"El", "It", "Ad", "An", |
Line 55 const char *const __mdoc_macronames[MDOC_MAX] = { |
|
Line 47 const char *const __mdoc_macronames[MDOC_MAX] = { |
|
"Ic", "In", "Li", "Nd", |
"Ic", "In", "Li", "Nd", |
"Nm", "Op", "Ot", "Pa", |
"Nm", "Op", "Ot", "Pa", |
"Rv", "St", "Va", "Vt", |
"Rv", "St", "Va", "Vt", |
/* LINTED */ |
"Xr", "%A", "%B", "%D", |
"Xr", "\%A", "\%B", "\%D", |
"%I", "%J", "%N", "%O", |
/* LINTED */ |
"%P", "%R", "%T", "%V", |
"\%I", "\%J", "\%N", "\%O", |
|
/* LINTED */ |
|
"\%P", "\%R", "\%T", "\%V", |
|
"Ac", "Ao", "Aq", "At", |
"Ac", "Ao", "Aq", "At", |
"Bc", "Bf", "Bo", "Bq", |
"Bc", "Bf", "Bo", "Bq", |
"Bsx", "Bx", "Db", "Dc", |
"Bsx", "Bx", "Db", "Dc", |
Line 74 const char *const __mdoc_macronames[MDOC_MAX] = { |
|
Line 63 const char *const __mdoc_macronames[MDOC_MAX] = { |
|
"Tn", "Ux", "Xc", "Xo", |
"Tn", "Ux", "Xc", "Xo", |
"Fo", "Fc", "Oo", "Oc", |
"Fo", "Fc", "Oo", "Oc", |
"Bk", "Ek", "Bt", "Hf", |
"Bk", "Ek", "Bt", "Hf", |
"Fr", "Ud", |
"Fr", "Ud", "Lb", "Lp", |
}; |
"Lk", "Mt", "Brq", "Bro", |
|
"Brc", "%C", "Es", "En", |
|
"Dx", "%Q", "br", "sp", |
|
"%U", "Ta", "ll", |
|
}; |
|
|
const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
"split", "nosplit", "ragged", |
"split", "nosplit", "ragged", |
"unfilled", "literal", "file", |
"unfilled", "literal", "file", |
"offset", "bullet", "dash", |
"offset", "bullet", "dash", |
"hyphen", "item", "enum", |
"hyphen", "item", "enum", |
"tag", "diag", "hang", |
"tag", "diag", "hang", |
"ohang", "inset", "column", |
"ohang", "inset", "column", |
"width", "compact", "std", |
"width", "compact", "std", |
"p1003.1-88", "p1003.1-90", "p1003.1-96", |
"filled", "words", "emphasis", |
"p1003.1-2001", "p1003.1-2004", "p1003.1", |
"symbolic", "nested", "centered" |
"p1003.1b", "p1003.1b-93", "p1003.1c-95", |
|
"p1003.1g-2000", "p1003.2-92", "p1387.2-95", |
|
"p1003.2", "p1387.2", "isoC-90", |
|
"isoC-amd1", "isoC-tcor1", "isoC-tcor2", |
|
"isoC-99", "ansiC", "ansiC-89", |
|
"ansiC-99", "ieee754", "iso8802-3", |
|
"xpg3", "xpg4", "xpg4.2", |
|
"xpg4.3", "xbd5", "xcu5", |
|
"xsh5", "xns5", "xns5.2d2.0", |
|
"xcurses4.2", "susv2", "susv3", |
|
"svid4", "filled", "words", |
|
"emphasis", "symbolic", |
|
}; |
}; |
|
|
const char * const *mdoc_macronames = __mdoc_macronames; |
const char * const *mdoc_macronames = __mdoc_macronames + 1; |
const char * const *mdoc_argnames = __mdoc_argnames; |
const char * const *mdoc_argnames = __mdoc_argnames; |
|
|
|
static int mdoc_ptext(struct roff_man *, int, char *, int); |
|
static int mdoc_pmacro(struct roff_man *, int, char *, int); |
|
|
const struct mdoc_node * |
|
mdoc_node(const struct mdoc *mdoc) |
|
{ |
|
|
|
return(mdoc->first); |
/* |
} |
* Main parse routine. Parses a single line -- really just hands off to |
|
* the macro (mdoc_pmacro()) or text parser (mdoc_ptext()). |
|
*/ |
const struct mdoc_meta * |
|
mdoc_meta(const struct mdoc *mdoc) |
|
{ |
|
|
|
return(&mdoc->meta); |
|
} |
|
|
|
|
|
void |
|
mdoc_free(struct mdoc *mdoc) |
|
{ |
|
|
|
if (mdoc->first) |
|
mdoc_node_freelist(mdoc->first); |
|
if (mdoc->htab) |
|
mdoc_tokhash_free(mdoc->htab); |
|
if (mdoc->meta.title) |
|
free(mdoc->meta.title); |
|
if (mdoc->meta.os) |
|
free(mdoc->meta.os); |
|
if (mdoc->meta.name) |
|
free(mdoc->meta.name); |
|
|
|
free(mdoc); |
|
} |
|
|
|
|
|
struct mdoc * |
|
mdoc_alloc(void *data, const struct mdoc_cb *cb) |
|
{ |
|
struct mdoc *p; |
|
|
|
p = xcalloc(1, sizeof(struct mdoc)); |
|
|
|
p->data = data; |
|
if (cb) |
|
(void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb)); |
|
|
|
p->last = xcalloc(1, sizeof(struct mdoc_node)); |
|
p->last->type = MDOC_ROOT; |
|
p->first = p->last; |
|
|
|
p->next = MDOC_NEXT_CHILD; |
|
p->htab = mdoc_tokhash_alloc(); |
|
|
|
return(p); |
|
} |
|
|
|
|
|
int |
int |
mdoc_endparse(struct mdoc *mdoc) |
mdoc_parseln(struct roff_man *mdoc, int ln, char *buf, int offs) |
{ |
{ |
|
|
if (MDOC_HALT & mdoc->flags) |
if (mdoc->last->type != ROFFT_EQN || ln > mdoc->last->line) |
return(0); |
mdoc->flags |= MDOC_NEWLINE; |
if (NULL == mdoc->first) |
|
return(1); |
|
|
|
assert(mdoc->last); |
|
if ( ! macro_end(mdoc)) { |
|
mdoc->flags |= MDOC_HALT; |
|
return(0); |
|
} |
|
return(1); |
|
} |
|
|
|
|
|
int |
|
mdoc_parseln(struct mdoc *mdoc, int line, char *buf) |
|
{ |
|
int c, i; |
|
char tmp[5]; |
|
|
|
if (MDOC_HALT & mdoc->flags) |
|
return(0); |
|
|
|
mdoc->linetok = 0; |
|
|
|
/* |
/* |
* FIXME: should puke on whitespace in non-literal displays. |
* Let the roff nS register switch SYNOPSIS mode early, |
|
* such that the parser knows at all times |
|
* whether this mode is on or off. |
|
* Note that this mode is also switched by the Sh macro. |
*/ |
*/ |
|
if (roff_getreg(mdoc->roff, "nS")) |
|
mdoc->flags |= MDOC_SYNOPSIS; |
|
else |
|
mdoc->flags &= ~MDOC_SYNOPSIS; |
|
|
if ('.' != *buf) { |
return roff_getcontrol(mdoc->roff, buf, &offs) ? |
if (SEC_PROLOGUE == mdoc->lastnamed) |
mdoc_pmacro(mdoc, ln, buf, offs) : |
return(mdoc_perr(mdoc, line, 0, |
mdoc_ptext(mdoc, ln, buf, offs); |
"no text in document prologue")); |
|
if ( ! mdoc_word_alloc(mdoc, line, 0, buf)) |
|
return(0); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
return(1); |
|
} |
|
|
|
if (buf[1] && '\\' == buf[1]) |
|
if (buf[2] && '\"' == buf[2]) |
|
return(1); |
|
|
|
i = 1; |
|
while (buf[i] && ! isspace((int)buf[i]) && i < (int)sizeof(tmp)) |
|
i++; |
|
|
|
if (i == (int)sizeof(tmp)) { |
|
mdoc->flags |= MDOC_HALT; |
|
return(mdoc_perr(mdoc, line, 1, "unknown macro")); |
|
} else if (i <= 2) { |
|
mdoc->flags |= MDOC_HALT; |
|
return(mdoc_perr(mdoc, line, 1, "unknown macro")); |
|
} |
|
|
|
i--; |
|
|
|
(void)memcpy(tmp, buf + 1, (size_t)i); |
|
tmp[i++] = 0; |
|
|
|
if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) { |
|
mdoc->flags |= MDOC_HALT; |
|
return(mdoc_perr(mdoc, line, 1, "unknown macro")); |
|
} |
|
|
|
while (buf[i] && isspace((int)buf[i])) |
|
i++; |
|
|
|
if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) { |
|
mdoc->flags |= MDOC_HALT; |
|
return(0); |
|
} |
|
return(1); |
|
} |
} |
|
|
|
|
void |
void |
mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...) |
mdoc_macro(MACRO_PROT_ARGS) |
{ |
{ |
char buf[256]; |
assert(tok > TOKEN_NONE && tok < MDOC_MAX); |
va_list ap; |
|
|
|
if (NULL == mdoc->cb.mdoc_msg) |
if (mdoc->flags & MDOC_PBODY) { |
return; |
if (tok == MDOC_Dt) { |
|
mandoc_vmsg(MANDOCERR_DT_LATE, |
va_start(ap, fmt); |
mdoc->parse, line, ppos, |
(void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap); |
"Dt %s", buf + *pos); |
va_end(ap); |
return; |
(*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf); |
} |
|
} else if ( ! (mdoc_macros[tok].flags & MDOC_PROLOGUE)) { |
|
if (mdoc->meta.title == NULL) { |
|
mandoc_vmsg(MANDOCERR_DT_NOTITLE, |
|
mdoc->parse, line, ppos, "%s %s", |
|
mdoc_macronames[tok], buf + *pos); |
|
mdoc->meta.title = mandoc_strdup("UNTITLED"); |
|
} |
|
if (NULL == mdoc->meta.vol) |
|
mdoc->meta.vol = mandoc_strdup("LOCAL"); |
|
mdoc->flags |= MDOC_PBODY; |
|
} |
|
(*mdoc_macros[tok].fp)(mdoc, tok, line, ppos, pos, buf); |
} |
} |
|
|
|
void |
int |
mdoc_tail_alloc(struct roff_man *mdoc, int line, int pos, int tok) |
mdoc_verr(struct mdoc *mdoc, int ln, int pos, |
|
const char *fmt, ...) |
|
{ |
{ |
char buf[256]; |
struct roff_node *p; |
va_list ap; |
|
|
|
if (NULL == mdoc->cb.mdoc_err) |
p = roff_node_alloc(mdoc, line, pos, ROFFT_TAIL, tok); |
return(0); |
roff_node_append(mdoc, p); |
|
mdoc->next = ROFF_NEXT_CHILD; |
va_start(ap, fmt); |
|
(void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap); |
|
va_end(ap); |
|
return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf)); |
|
} |
} |
|
|
|
struct roff_node * |
int |
mdoc_endbody_alloc(struct roff_man *mdoc, int line, int pos, int tok, |
mdoc_vwarn(struct mdoc *mdoc, int ln, int pos, |
struct roff_node *body, enum mdoc_endbody end) |
enum mdoc_warn type, const char *fmt, ...) |
|
{ |
{ |
char buf[256]; |
struct roff_node *p; |
va_list ap; |
|
|
|
if (NULL == mdoc->cb.mdoc_warn) |
body->flags |= MDOC_ENDED; |
return(0); |
body->parent->flags |= MDOC_ENDED; |
|
p = roff_node_alloc(mdoc, line, pos, ROFFT_BODY, tok); |
va_start(ap, fmt); |
p->body = body; |
(void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap); |
p->norm = body->norm; |
va_end(ap); |
p->end = end; |
return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf)); |
roff_node_append(mdoc, p); |
|
mdoc->next = ROFF_NEXT_SIBLING; |
|
return p; |
} |
} |
|
|
|
struct roff_node * |
int |
mdoc_block_alloc(struct roff_man *mdoc, int line, int pos, |
mdoc_macro(struct mdoc *mdoc, int tok, |
int tok, struct mdoc_arg *args) |
int ln, int ppos, int *pos, char *buf) |
|
{ |
{ |
|
struct roff_node *p; |
|
|
assert(mdoc_macros[tok].fp); |
p = roff_node_alloc(mdoc, line, pos, ROFFT_BLOCK, tok); |
|
p->args = args; |
|
if (p->args) |
|
(args->refcnt)++; |
|
|
if (MDOC_PROLOGUE & mdoc_macros[tok].flags && |
switch (tok) { |
SEC_PROLOGUE != mdoc->lastnamed) |
case MDOC_Bd: |
return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document body")); |
|
if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) && |
|
SEC_PROLOGUE == mdoc->lastnamed) |
|
return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document prologue")); |
|
if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) |
|
return(mdoc_perr(mdoc, ln, ppos, "macro not callable")); |
|
return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf)); |
|
} |
|
|
|
|
|
static int |
|
mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p) |
|
{ |
|
const char *nn, *nt, *on, *ot, *act; |
|
|
|
assert(mdoc->last); |
|
assert(mdoc->first); |
|
assert(MDOC_ROOT != p->type); |
|
|
|
/* See if we exceed the suggest line-max. */ |
|
|
|
switch (p->type) { |
|
case (MDOC_TEXT): |
|
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_ELEM): |
case MDOC_Bf: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_BLOCK): |
case MDOC_Bl: |
mdoc->linetok++; |
/* FALLTHROUGH */ |
|
case MDOC_En: |
|
/* FALLTHROUGH */ |
|
case MDOC_Rs: |
|
p->norm = mandoc_calloc(1, sizeof(union mdoc_data)); |
break; |
break; |
default: |
default: |
break; |
break; |
} |
} |
|
roff_node_append(mdoc, p); |
|
mdoc->next = ROFF_NEXT_CHILD; |
|
return p; |
|
} |
|
|
/* This sort-of works (re-opening of text macros...). */ |
void |
if (mdoc->linetok > MDOC_LINEARG_SOFTMAX) |
mdoc_elem_alloc(struct roff_man *mdoc, int line, int pos, |
if ( ! mdoc_nwarn(mdoc, p, WARN_COMPAT, |
int tok, struct mdoc_arg *args) |
"suggested %d tokens per line exceeded (has %d)", |
{ |
MDOC_LINEARG_SOFTMAX, mdoc->linetok)) |
struct roff_node *p; |
return(0); |
|
|
|
if (MDOC_TEXT == mdoc->last->type) |
p = roff_node_alloc(mdoc, line, pos, ROFFT_ELEM, tok); |
on = "<text>"; |
p->args = args; |
else if (MDOC_ROOT == mdoc->last->type) |
if (p->args) |
on = "<root>"; |
(args->refcnt)++; |
else |
|
on = mdoc_macronames[mdoc->last->tok]; |
|
|
|
if (MDOC_TEXT == p->type) |
switch (tok) { |
nn = "<text>"; |
case MDOC_An: |
else if (MDOC_ROOT == p->type) |
p->norm = mandoc_calloc(1, sizeof(union mdoc_data)); |
nn = "<root>"; |
|
else |
|
nn = mdoc_macronames[p->tok]; |
|
|
|
ot = mdoc_type2a(mdoc->last->type); |
|
nt = mdoc_type2a(p->type); |
|
|
|
switch (mdoc->next) { |
|
case (MDOC_NEXT_SIBLING): |
|
mdoc->last->next = p; |
|
p->prev = mdoc->last; |
|
p->parent = mdoc->last->parent; |
|
act = "sibling"; |
|
break; |
break; |
case (MDOC_NEXT_CHILD): |
|
mdoc->last->child = p; |
|
p->parent = mdoc->last; |
|
act = "child"; |
|
break; |
|
default: |
default: |
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
if ( ! mdoc_valid_pre(mdoc, p)) |
|
return(0); |
|
|
|
switch (p->type) { |
|
case (MDOC_HEAD): |
|
assert(MDOC_BLOCK == p->parent->type); |
|
p->parent->data.block.head = p; |
|
break; |
break; |
case (MDOC_TAIL): |
|
assert(MDOC_BLOCK == p->parent->type); |
|
p->parent->data.block.tail = p; |
|
break; |
|
case (MDOC_BODY): |
|
assert(MDOC_BLOCK == p->parent->type); |
|
p->parent->data.block.body = p; |
|
break; |
|
default: |
|
break; |
|
} |
} |
|
roff_node_append(mdoc, p); |
mdoc->last = p; |
mdoc->next = ROFF_NEXT_CHILD; |
mdoc_msg(mdoc, "parse: %s `%s' %s of %s `%s'", |
|
nt, nn, act, ot, on); |
|
return(1); |
|
} |
} |
|
|
|
void |
static struct mdoc_node * |
mdoc_node_relink(struct roff_man *mdoc, struct roff_node *p) |
mdoc_node_alloc(const struct mdoc *mdoc) |
|
{ |
{ |
struct mdoc_node *p; |
|
|
|
p = xcalloc(1, sizeof(struct mdoc_node)); |
roff_node_unlink(mdoc, p); |
p->sec = mdoc->lastsec; |
roff_node_append(mdoc, p); |
|
|
return(p); |
|
} |
} |
|
|
|
/* |
int |
* Parse free-form text, that is, a line that does not begin with the |
mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok) |
* control character. |
|
*/ |
|
static int |
|
mdoc_ptext(struct roff_man *mdoc, int line, char *buf, int offs) |
{ |
{ |
struct mdoc_node *p; |
struct roff_node *n; |
|
char *c, *ws, *end; |
|
|
assert(mdoc->first); |
|
assert(mdoc->last); |
assert(mdoc->last); |
|
n = mdoc->last; |
|
|
p = mdoc_node_alloc(mdoc); |
/* |
|
* Divert directly to list processing if we're encountering a |
|
* columnar ROFFT_BLOCK with or without a prior ROFFT_BLOCK entry |
|
* (a ROFFT_BODY means it's already open, in which case we should |
|
* process within its context in the normal way). |
|
*/ |
|
|
p->line = line; |
if (n->tok == MDOC_Bl && n->type == ROFFT_BODY && |
p->pos = pos; |
n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) { |
p->type = MDOC_TAIL; |
/* `Bl' is open without any children. */ |
p->tok = tok; |
mdoc->flags |= MDOC_FREECOL; |
|
mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf); |
|
return 1; |
|
} |
|
|
return(mdoc_node_append(mdoc, p)); |
if (n->tok == MDOC_It && n->type == ROFFT_BLOCK && |
} |
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; |
|
mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf); |
|
return 1; |
|
} |
|
|
|
/* |
|
* Search for the beginning of unescaped trailing whitespace (ws) |
|
* and for the first character not to be output (end). |
|
*/ |
|
|
int |
/* FIXME: replace with strcspn(). */ |
mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok) |
ws = NULL; |
{ |
for (c = end = buf + offs; *c; c++) { |
struct mdoc_node *p; |
switch (*c) { |
|
case ' ': |
|
if (NULL == ws) |
|
ws = c; |
|
continue; |
|
case '\t': |
|
/* |
|
* Always warn about trailing tabs, |
|
* even outside literal context, |
|
* where they should be put on the next line. |
|
*/ |
|
if (NULL == ws) |
|
ws = c; |
|
/* |
|
* Strip trailing tabs in literal context only; |
|
* outside, they affect the next line. |
|
*/ |
|
if (MDOC_LITERAL & mdoc->flags) |
|
continue; |
|
break; |
|
case '\\': |
|
/* Skip the escaped character, too, if any. */ |
|
if (c[1]) |
|
c++; |
|
/* FALLTHROUGH */ |
|
default: |
|
ws = NULL; |
|
break; |
|
} |
|
end = c + 1; |
|
} |
|
*end = '\0'; |
|
|
assert(mdoc->first); |
if (ws) |
assert(mdoc->last); |
mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse, |
|
line, (int)(ws-buf), NULL); |
|
|
p = mdoc_node_alloc(mdoc); |
if (buf[offs] == '\0' && ! (mdoc->flags & MDOC_LITERAL)) { |
|
mandoc_msg(MANDOCERR_FI_BLANK, mdoc->parse, |
|
line, (int)(c - buf), NULL); |
|
|
p->line = line; |
/* |
p->pos = pos; |
* Insert a `sp' in the case of a blank line. Technically, |
p->type = MDOC_HEAD; |
* blank lines aren't allowed, but enough manuals assume this |
p->tok = tok; |
* behaviour that we want to work around it. |
|
*/ |
|
roff_elem_alloc(mdoc, line, offs, MDOC_sp); |
|
mdoc->next = ROFF_NEXT_SIBLING; |
|
mdoc_valid_post(mdoc); |
|
return 1; |
|
} |
|
|
return(mdoc_node_append(mdoc, p)); |
roff_word_alloc(mdoc, line, offs, buf+offs); |
} |
|
|
|
|
if (mdoc->flags & MDOC_LITERAL) |
|
return 1; |
|
|
int |
/* |
mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok) |
* End-of-sentence check. If the last character is an unescaped |
{ |
* EOS character, then flag the node as being the end of a |
struct mdoc_node *p; |
* sentence. The front-end will know how to interpret this. |
|
*/ |
|
|
assert(mdoc->first); |
assert(buf < end); |
assert(mdoc->last); |
|
|
|
p = mdoc_node_alloc(mdoc); |
if (mandoc_eos(buf+offs, (size_t)(end-buf-offs))) |
|
mdoc->last->flags |= MDOC_EOS; |
p->line = line; |
return 1; |
p->pos = pos; |
|
p->type = MDOC_BODY; |
|
p->tok = tok; |
|
|
|
return(mdoc_node_append(mdoc, p)); |
|
} |
} |
|
|
|
/* |
int |
* Parse a macro line, that is, a line beginning with the control |
mdoc_root_alloc(struct mdoc *mdoc) |
* character. |
|
*/ |
|
static int |
|
mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, int offs) |
{ |
{ |
struct mdoc_node *p; |
struct roff_node *n; |
|
const char *cp; |
|
int tok; |
|
int i, sv; |
|
char mac[5]; |
|
|
p = mdoc_node_alloc(mdoc); |
sv = offs; |
|
|
p->type = MDOC_ROOT; |
/* |
|
* Copy the first word into a nil-terminated buffer. |
|
* Stop when a space, tab, escape, or eoln is encountered. |
|
*/ |
|
|
return(mdoc_node_append(mdoc, p)); |
i = 0; |
} |
while (i < 4 && strchr(" \t\\", buf[offs]) == NULL) |
|
mac[i++] = buf[offs++]; |
|
|
|
mac[i] = '\0'; |
|
|
int |
tok = (i > 1 && i < 4) ? mdoc_hash_find(mac) : TOKEN_NONE; |
mdoc_block_alloc(struct mdoc *mdoc, int line, int pos, |
|
int tok, size_t argsz, const struct mdoc_arg *args) |
|
{ |
|
struct mdoc_node *p; |
|
|
|
p = mdoc_node_alloc(mdoc); |
if (tok == TOKEN_NONE) { |
|
mandoc_msg(MANDOCERR_MACRO, mdoc->parse, |
|
ln, sv, buf + sv - 1); |
|
return 1; |
|
} |
|
|
p->pos = pos; |
/* Skip a leading escape sequence or tab. */ |
p->line = line; |
|
p->type = MDOC_BLOCK; |
|
p->tok = tok; |
|
p->data.block.argc = argsz; |
|
p->data.block.argv = argdup(argsz, args); |
|
|
|
return(mdoc_node_append(mdoc, p)); |
switch (buf[offs]) { |
} |
case '\\': |
|
cp = buf + offs + 1; |
|
mandoc_escape(&cp, NULL, NULL); |
int |
offs = cp - buf; |
mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos, |
|
int tok, size_t argsz, const struct mdoc_arg *args) |
|
{ |
|
struct mdoc_node *p; |
|
|
|
p = mdoc_node_alloc(mdoc); |
|
|
|
p->line = line; |
|
p->pos = pos; |
|
p->type = MDOC_ELEM; |
|
p->tok = tok; |
|
p->data.elem.argc = argsz; |
|
p->data.elem.argv = argdup(argsz, args); |
|
|
|
return(mdoc_node_append(mdoc, p)); |
|
} |
|
|
|
|
|
int |
|
mdoc_word_alloc(struct mdoc *mdoc, |
|
int line, int pos, const char *word) |
|
{ |
|
struct mdoc_node *p; |
|
|
|
p = mdoc_node_alloc(mdoc); |
|
|
|
p->line = line; |
|
p->pos = pos; |
|
p->type = MDOC_TEXT; |
|
p->data.text.string = xstrdup(word); |
|
|
|
return(mdoc_node_append(mdoc, p)); |
|
} |
|
|
|
|
|
static void |
|
argfree(size_t sz, struct mdoc_arg *p) |
|
{ |
|
int i, j; |
|
|
|
if (0 == sz) |
|
return; |
|
|
|
assert(p); |
|
/* LINTED */ |
|
for (i = 0; i < (int)sz; i++) |
|
if (p[i].sz > 0) { |
|
assert(p[i].value); |
|
/* LINTED */ |
|
for (j = 0; j < (int)p[i].sz; j++) |
|
free(p[i].value[j]); |
|
free(p[i].value); |
|
} |
|
free(p); |
|
} |
|
|
|
|
|
static void |
|
mdoc_elem_free(struct mdoc_elem *p) |
|
{ |
|
|
|
argfree(p->argc, p->argv); |
|
} |
|
|
|
|
|
static void |
|
mdoc_block_free(struct mdoc_block *p) |
|
{ |
|
|
|
argfree(p->argc, p->argv); |
|
} |
|
|
|
|
|
static void |
|
mdoc_text_free(struct mdoc_text *p) |
|
{ |
|
|
|
if (p->string) |
|
free(p->string); |
|
} |
|
|
|
|
|
void |
|
mdoc_node_free(struct mdoc_node *p) |
|
{ |
|
|
|
switch (p->type) { |
|
case (MDOC_TEXT): |
|
mdoc_text_free(&p->data.text); |
|
break; |
break; |
case (MDOC_ELEM): |
case '\t': |
mdoc_elem_free(&p->data.elem); |
offs++; |
break; |
break; |
case (MDOC_BLOCK): |
|
mdoc_block_free(&p->data.block); |
|
break; |
|
default: |
default: |
break; |
break; |
} |
} |
|
|
free(p); |
/* Jump to the next non-whitespace word. */ |
} |
|
|
|
|
while (buf[offs] && ' ' == buf[offs]) |
|
offs++; |
|
|
void |
/* |
mdoc_node_freelist(struct mdoc_node *p) |
* Trailing whitespace. Note that tabs are allowed to be passed |
{ |
* into the parser as "text", so we only warn about spaces here. |
|
*/ |
|
|
if (p->child) |
if ('\0' == buf[offs] && ' ' == buf[offs - 1]) |
mdoc_node_freelist(p->child); |
mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse, |
if (p->next) |
ln, offs - 1, NULL); |
mdoc_node_freelist(p->next); |
|
|
|
mdoc_node_free(p); |
/* |
} |
* If an initial macro or a list invocation, divert directly |
|
* into macro processing. |
|
*/ |
|
|
|
if (NULL == mdoc->last || MDOC_It == tok || MDOC_El == tok) { |
|
mdoc_macro(mdoc, tok, ln, sv, &offs, buf); |
|
return 1; |
|
} |
|
|
int |
n = mdoc->last; |
mdoc_find(const struct mdoc *mdoc, const char *key) |
assert(mdoc->last); |
{ |
|
|
|
return(mdoc_tokhash_find(mdoc->htab, key)); |
/* |
} |
* If the first macro of a `Bl -column', open an `It' block |
|
* context around the parsed macro. |
|
*/ |
|
|
|
if (n->tok == MDOC_Bl && n->type == ROFFT_BODY && |
|
n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) { |
|
mdoc->flags |= MDOC_FREECOL; |
|
mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf); |
|
return 1; |
|
} |
|
|
static void |
/* |
argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src) |
* If we're following a block-level `It' within a `Bl -column' |
{ |
* context (perhaps opened in the above block or in ptext()), |
int i; |
* then open an `It' block context around the parsed macro. |
|
*/ |
|
|
dst->line = src->line; |
if (n->tok == MDOC_It && n->type == ROFFT_BLOCK && |
dst->pos = src->pos; |
NULL != n->parent && |
dst->arg = src->arg; |
MDOC_Bl == n->parent->tok && |
if (0 == (dst->sz = src->sz)) |
LIST_column == n->parent->norm->Bl.type) { |
return; |
mdoc->flags |= MDOC_FREECOL; |
dst->value = xcalloc(dst->sz, sizeof(char *)); |
mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf); |
for (i = 0; i < (int)dst->sz; i++) |
return 1; |
dst->value[i] = xstrdup(src->value[i]); |
} |
} |
|
|
|
|
/* Normal processing of a macro. */ |
|
|
static struct mdoc_arg * |
mdoc_macro(mdoc, tok, ln, sv, &offs, buf); |
argdup(size_t argsz, const struct mdoc_arg *args) |
|
{ |
|
struct mdoc_arg *pp; |
|
int i; |
|
|
|
if (0 == argsz) |
/* In quick mode (for mandocdb), abort after the NAME section. */ |
return(NULL); |
|
|
|
pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg)); |
if (mdoc->quick && MDOC_Sh == tok && |
for (i = 0; i < (int)argsz; i++) |
SEC_NAME != mdoc->last->sec) |
argcpy(&pp[i], &args[i]); |
return 2; |
|
|
return(pp); |
return 1; |
} |
} |
|
|
|
enum mdelim |
/* FIXME: deprecate. */ |
mdoc_isdelim(const char *p) |
char * |
|
mdoc_node2a(struct mdoc_node *node) |
|
{ |
{ |
static char buf[64]; |
|
|
|
assert(node); |
if ('\0' == p[0]) |
|
return DELIM_NONE; |
|
|
buf[0] = 0; |
if ('\0' == p[1]) |
(void)xstrlcat(buf, mdoc_type2a(node->type), 64); |
switch (p[0]) { |
if (MDOC_ROOT == node->type) |
case '(': |
return(buf); |
/* FALLTHROUGH */ |
(void)xstrlcat(buf, " `", 64); |
case '[': |
if (MDOC_TEXT == node->type) |
return DELIM_OPEN; |
(void)xstrlcat(buf, node->data.text.string, 64); |
case '|': |
else |
return DELIM_MIDDLE; |
(void)xstrlcat(buf, mdoc_macronames[node->tok], 64); |
case '.': |
(void)xstrlcat(buf, "'", 64); |
/* FALLTHROUGH */ |
|
case ',': |
|
/* FALLTHROUGH */ |
|
case ';': |
|
/* FALLTHROUGH */ |
|
case ':': |
|
/* FALLTHROUGH */ |
|
case '?': |
|
/* FALLTHROUGH */ |
|
case '!': |
|
/* FALLTHROUGH */ |
|
case ')': |
|
/* FALLTHROUGH */ |
|
case ']': |
|
return DELIM_CLOSE; |
|
default: |
|
return DELIM_NONE; |
|
} |
|
|
return(buf); |
if ('\\' != p[0]) |
} |
return DELIM_NONE; |
|
|
|
if (0 == strcmp(p + 1, ".")) |
|
return DELIM_CLOSE; |
|
if (0 == strcmp(p + 1, "fR|\\fP")) |
|
return DELIM_MIDDLE; |
|
|
|
return DELIM_NONE; |
|
} |