-/* $Id: man.c,v 1.15 2009/04/03 11:08:39 kristaps Exp $ */
+/* $Id: man.c,v 1.145 2014/11/28 06:27:05 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011 Joerg Sonnenberger <joerg@netbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the
- * above copyright notice and this permission notice appear in all
- * copies.
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
- * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#include "config.h"
+
+#include <sys/types.h>
+
#include <assert.h>
#include <ctype.h>
-#include <err.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include "man.h"
+#include "mandoc.h"
+#include "mandoc_aux.h"
#include "libman.h"
+#include "libmandoc.h"
-const char *const __man_macronames[MAN_MAX] = {
- "\\\"", "TH", "SH", "SS",
- "TP", "LP", "PP", "P",
+const char *const __man_macronames[MAN_MAX] = {
+ "br", "TH", "SH", "SS",
+ "TP", "LP", "PP", "P",
"IP", "HP", "SM", "SB",
"BI", "IB", "BR", "RB",
"R", "B", "I", "IR",
- "RI", "br", "na"
+ "RI", "na", "sp", "nf",
+ "fi", "RE", "RS", "DT",
+ "UC", "PD", "AT", "in",
+ "ft", "OP", "EX", "EE",
+ "UR", "UE", "ll"
};
const char * const *man_macronames = __man_macronames;
-static struct man_node *man_node_alloc(int, int, enum man_type);
-static int man_node_append(struct man *,
+static struct man_node *man_node_alloc(struct man *, int, int,
+ enum man_type, enum mant);
+static void man_node_append(struct man *, struct man_node *);
+static void man_node_free(struct man_node *);
+static void man_node_unlink(struct man *,
struct man_node *);
-static int man_ptext(struct man *, int, char *);
-static int man_pmacro(struct man *, int, char *);
+static int man_ptext(struct man *, int, char *, int);
+static int man_pmacro(struct man *, int, char *, int);
static void man_free1(struct man *);
static void man_alloc1(struct man *);
+static void man_descope(struct man *, int, int);
const struct man_node *
-man_node(const struct man *m)
+man_node(const struct man *man)
{
- return(MAN_HALT & m->flags ? NULL : m->first);
+ return(man->first);
}
-
const struct man_meta *
-man_meta(const struct man *m)
+man_meta(const struct man *man)
{
- return(MAN_HALT & m->flags ? NULL : &m->meta);
+ return(&man->meta);
}
-
-int
+void
man_reset(struct man *man)
{
man_free1(man);
man_alloc1(man);
- /* TODO */
- return(1);
}
-
void
man_free(struct man *man)
{
man_free1(man);
-
- if (man->htab)
- man_hash_free(man->htab);
free(man);
}
-
struct man *
-man_alloc(void *data, int pflags, const struct man_cb *cb)
+man_alloc(struct roff *roff, struct mparse *parse, int quick)
{
struct man *p;
- p = calloc(1, sizeof(struct man));
- if (NULL == p)
- err(1, "calloc");
-
- man_alloc1(p);
-
- if (cb)
- (void)memcpy(&p->cb, cb, sizeof(struct man_cb));
+ p = mandoc_calloc(1, sizeof(struct man));
- p->htab = man_hash_alloc();
- p->data = data;
- p->pflags = pflags;
+ man_hash_init();
+ p->parse = parse;
+ p->quick = quick;
+ p->roff = roff;
+ man_alloc1(p);
return(p);
}
-
int
-man_endparse(struct man *m)
+man_endparse(struct man *man)
{
- if (MAN_HALT & m->flags)
- return(0);
- else if (man_macroend(m))
- return(1);
- m->flags |= MAN_HALT;
- return(0);
+ man_macroend(man);
+ return(1);
}
-
int
-man_parseln(struct man *m, int ln, char *buf)
+man_parseln(struct man *man, int ln, char *buf, int offs)
{
- return('.' == *buf ?
- man_pmacro(m, ln, buf) :
- man_ptext(m, ln, buf));
-}
+ if (man->last->type != MAN_EQN || ln > man->last->line)
+ man->flags |= MAN_NEWLINE;
+ return (roff_getcontrol(man->roff, buf, &offs) ?
+ man_pmacro(man, ln, buf, offs) :
+ man_ptext(man, ln, buf, offs));
+}
static void
man_free1(struct man *man)
{
if (man->first)
- man_node_freelist(man->first);
- if (man->meta.title)
- free(man->meta.title);
- if (man->meta.source)
- free(man->meta.source);
- if (man->meta.vol)
- free(man->meta.vol);
+ man_node_delete(man, man->first);
+ free(man->meta.title);
+ free(man->meta.source);
+ free(man->meta.date);
+ free(man->meta.vol);
+ free(man->meta.msec);
}
-
static void
-man_alloc1(struct man *m)
+man_alloc1(struct man *man)
{
- bzero(&m->meta, sizeof(struct man_meta));
- m->flags = 0;
- m->last = calloc(1, sizeof(struct man_node));
- if (NULL == m->last)
- err(1, "calloc");
- m->first = m->last;
- m->last->type = MAN_ROOT;
- m->next = MAN_NEXT_CHILD;
+ memset(&man->meta, 0, sizeof(struct man_meta));
+ man->flags = 0;
+ man->last = mandoc_calloc(1, sizeof(struct man_node));
+ man->first = man->last;
+ man->last->type = MAN_ROOT;
+ man->last->tok = MAN_MAX;
+ man->next = MAN_NEXT_CHILD;
}
-static int
+static void
man_node_append(struct man *man, struct man_node *p)
{
assert(man->last);
assert(man->first);
- assert(MAN_ROOT != p->type);
+ assert(p->type != MAN_ROOT);
switch (man->next) {
- case (MAN_NEXT_SIBLING):
+ case MAN_NEXT_SIBLING:
man->last->next = p;
p->prev = man->last;
p->parent = man->last->parent;
break;
- case (MAN_NEXT_CHILD):
+ case MAN_NEXT_CHILD:
man->last->child = p;
p->parent = man->last;
break;
/* NOTREACHED */
}
- man->last = p;
+ assert(p->parent);
+ p->parent->nchild++;
switch (p->type) {
- case (MAN_TEXT):
- if ( ! man_valid_post(man))
- return(0);
- if ( ! man_action_post(man))
- return(0);
+ case MAN_BLOCK:
+ if (p->tok == MAN_SH || p->tok == MAN_SS)
+ man->flags &= ~MAN_LITERAL;
+ break;
+ case MAN_HEAD:
+ assert(p->parent->type == MAN_BLOCK);
+ p->parent->head = p;
+ break;
+ case MAN_BODY:
+ assert(p->parent->type == MAN_BLOCK);
+ p->parent->body = p;
break;
default:
break;
}
- return(1);
-}
+ man->last = p;
+ switch (p->type) {
+ case MAN_TBL:
+ /* FALLTHROUGH */
+ case MAN_TEXT:
+ man_valid_post(man);
+ break;
+ default:
+ break;
+ }
+}
static struct man_node *
-man_node_alloc(int line, int pos, enum man_type type)
+man_node_alloc(struct man *man, int line, int pos,
+ enum man_type type, enum mant tok)
{
struct man_node *p;
- if (NULL == (p = calloc(1, sizeof(struct man_node))))
- err(1, "malloc");
+ p = mandoc_calloc(1, sizeof(struct man_node));
p->line = line;
p->pos = pos;
p->type = type;
+ p->tok = tok;
+ if (man->flags & MAN_NEWLINE)
+ p->flags |= MAN_LINE;
+ man->flags &= ~MAN_NEWLINE;
return(p);
}
-
-int
-man_elem_alloc(struct man *man, int line, int pos, int tok)
+void
+man_elem_alloc(struct man *man, int line, int pos, enum mant tok)
{
struct man_node *p;
- p = man_node_alloc(line, pos, MAN_ELEM);
- p->tok = tok;
-
- return(man_node_append(man, p));
+ p = man_node_alloc(man, line, pos, MAN_ELEM, tok);
+ man_node_append(man, p);
+ man->next = MAN_NEXT_CHILD;
}
+void
+man_head_alloc(struct man *man, int line, int pos, enum mant tok)
+{
+ struct man_node *p;
-int
-man_word_alloc(struct man *man,
- int line, int pos, const char *word)
+ p = man_node_alloc(man, line, pos, MAN_HEAD, tok);
+ man_node_append(man, p);
+ man->next = MAN_NEXT_CHILD;
+}
+
+void
+man_body_alloc(struct man *man, int line, int pos, enum mant tok)
{
- struct man_node *p;
+ struct man_node *p;
- p = man_node_alloc(line, pos, MAN_TEXT);
- if (NULL == (p->string = strdup(word)))
- err(1, "strdup");
+ p = man_node_alloc(man, line, pos, MAN_BODY, tok);
+ man_node_append(man, p);
+ man->next = MAN_NEXT_CHILD;
+}
+
+void
+man_block_alloc(struct man *man, int line, int pos, enum mant tok)
+{
+ struct man_node *p;
- return(man_node_append(man, p));
+ p = man_node_alloc(man, line, pos, MAN_BLOCK, tok);
+ man_node_append(man, p);
+ man->next = MAN_NEXT_CHILD;
}
+void
+man_word_alloc(struct man *man, int line, int pos, const char *word)
+{
+ struct man_node *n;
+
+ n = man_node_alloc(man, line, pos, MAN_TEXT, MAN_MAX);
+ n->string = roff_strdup(man->roff, word);
+ man_node_append(man, n);
+ man->next = MAN_NEXT_SIBLING;
+}
void
+man_word_append(struct man *man, const char *word)
+{
+ struct man_node *n;
+ char *addstr, *newstr;
+
+ n = man->last;
+ addstr = roff_strdup(man->roff, word);
+ mandoc_asprintf(&newstr, "%s %s", n->string, addstr);
+ free(addstr);
+ free(n->string);
+ n->string = newstr;
+ man->next = MAN_NEXT_SIBLING;
+}
+
+/*
+ * Free all of the resources held by a node. This does NOT unlink a
+ * node from its context; for that, see man_node_unlink().
+ */
+static void
man_node_free(struct man_node *p)
{
- if (p->string)
- free(p->string);
+ free(p->string);
free(p);
}
-
void
-man_node_freelist(struct man_node *p)
+man_node_delete(struct man *man, struct man_node *p)
{
- if (p->child)
- man_node_freelist(p->child);
- if (p->next)
- man_node_freelist(p->next);
+ while (p->child)
+ man_node_delete(man, p->child);
+ man_node_unlink(man, p);
man_node_free(p);
}
+void
+man_addeqn(struct man *man, const struct eqn *ep)
+{
+ struct man_node *n;
+
+ n = man_node_alloc(man, ep->ln, ep->pos, MAN_EQN, MAN_MAX);
+ n->eqn = ep;
+ if (ep->ln > man->last->line)
+ n->flags |= MAN_LINE;
+ man_node_append(man, n);
+ man->next = MAN_NEXT_SIBLING;
+ man_descope(man, ep->ln, ep->pos);
+}
+
+void
+man_addspan(struct man *man, const struct tbl_span *sp)
+{
+ struct man_node *n;
+
+ n = man_node_alloc(man, sp->line, 0, MAN_TBL, MAN_MAX);
+ n->span = sp;
+ man_node_append(man, n);
+ man->next = MAN_NEXT_SIBLING;
+ man_descope(man, sp->line, 0);
+}
+
+static void
+man_descope(struct man *man, int line, int offs)
+{
+ /*
+ * Co-ordinate what happens with having a next-line scope open:
+ * first close out the element scope (if applicable), then close
+ * out the block scope (also if applicable).
+ */
+
+ if (man->flags & MAN_ELINE) {
+ man->flags &= ~MAN_ELINE;
+ man_unscope(man, man->last->parent);
+ }
+ if ( ! (man->flags & MAN_BLINE))
+ return;
+ man->flags &= ~MAN_BLINE;
+ man_unscope(man, man->last->parent);
+ man_body_alloc(man, line, offs, man->last->tok);
+}
static int
-man_ptext(struct man *m, int line, char *buf)
+man_ptext(struct man *man, int line, char *buf, int offs)
{
+ int i;
+
+ /* Literal free-form text whitespace is preserved. */
+
+ if (man->flags & MAN_LITERAL) {
+ man_word_alloc(man, line, offs, buf + offs);
+ man_descope(man, line, offs);
+ return(1);
+ }
- if ( ! man_word_alloc(m, line, 0, buf))
- return(0);
- m->next = MAN_NEXT_SIBLING;
+ for (i = offs; buf[i] == ' '; i++)
+ /* Skip leading whitespace. */ ;
/*
- * If this is one of the zany NLINE macros that consumes the
- * next line of input as being influenced, then close out the
- * existing macro "scope" and continue processing.
+ * Blank lines are ignored right after headings
+ * but add a single vertical space elsewhere.
*/
- if ( ! (MAN_NLINE & m->flags))
+ if (buf[i] == '\0') {
+ /* Allocate a blank entry. */
+ if (man->last->tok != MAN_SH &&
+ man->last->tok != MAN_SS) {
+ man_elem_alloc(man, line, offs, MAN_sp);
+ man->next = MAN_NEXT_SIBLING;
+ }
return(1);
+ }
+
+ /*
+ * Warn if the last un-escaped character is whitespace. Then
+ * strip away the remaining spaces (tabs stay!).
+ */
+
+ i = (int)strlen(buf);
+ assert(i);
+
+ if (' ' == buf[i - 1] || '\t' == buf[i - 1]) {
+ if (i > 1 && '\\' != buf[i - 2])
+ mandoc_msg(MANDOCERR_SPACE_EOL, man->parse,
+ line, i - 1, NULL);
- m->flags &= ~MAN_NLINE;
- m->last = m->last->parent;
+ for (--i; i && ' ' == buf[i]; i--)
+ /* Spin back to non-space. */ ;
- assert(MAN_ROOT != m->last->type);
- if ( ! man_valid_post(m))
- return(0);
- if ( ! man_action_post(m))
- return(0);
+ /* Jump ahead of escaped whitespace. */
+ i += '\\' == buf[i] ? 2 : 1;
+
+ buf[i] = '\0';
+ }
+ man_word_alloc(man, line, offs, buf + offs);
+
+ /*
+ * End-of-sentence check. If the last character is an unescaped
+ * EOS character, then flag the node as being the end of a
+ * sentence. The front-end will know how to interpret this.
+ */
+ assert(i);
+ if (mandoc_eos(buf, (size_t)i))
+ man->last->flags |= MAN_EOS;
+
+ man_descope(man, line, offs);
return(1);
}
-
-int
-man_pmacro(struct man *m, int ln, char *buf)
+static int
+man_pmacro(struct man *man, int ln, char *buf, int offs)
{
- int i, j, c, ppos, fl;
- char mac[5];
- struct man_node *n;
+ struct man_node *n;
+ const char *cp;
+ enum mant tok;
+ int i, ppos;
+ int bline;
+ char mac[5];
+
+ ppos = offs;
- /* Comments and empties are quickly ignored. */
+ /*
+ * Copy the first word into a nil-terminated buffer.
+ * Stop when a space, tab, escape, or eoln is encountered.
+ */
+
+ i = 0;
+ while (i < 4 && strchr(" \t\\", buf[offs]) == NULL)
+ mac[i++] = buf[offs++];
- n = m->last;
- fl = MAN_NLINE & m->flags;
+ mac[i] = '\0';
- if (0 == buf[1])
- goto out;
+ tok = (i > 0 && i < 4) ? man_hash_find(mac) : MAN_MAX;
+
+ if (tok == MAN_MAX) {
+ mandoc_msg(MANDOCERR_MACRO, man->parse,
+ ln, ppos, buf + ppos - 1);
+ return(1);
+ }
- i = 1;
+ /* Skip a leading escape sequence or tab. */
- if (' ' == buf[i]) {
- i++;
- while (buf[i] && ' ' == buf[i])
- i++;
- if (0 == buf[i])
- goto out;
+ switch (buf[offs]) {
+ case '\\':
+ cp = buf + offs + 1;
+ mandoc_escape(&cp, NULL, NULL);
+ offs = cp - buf;
+ break;
+ case '\t':
+ offs++;
+ break;
+ default:
+ break;
}
- ppos = i;
+ /* Jump to the next non-whitespace word. */
- if (buf[i] && '\\' == buf[i])
- if (buf[i + 1] && '\"' == buf[i + 1])
- goto out;
+ while (buf[offs] && buf[offs] == ' ')
+ offs++;
- /* Copy the first word into a nil-terminated buffer. */
+ /*
+ * Trailing whitespace. Note that tabs are allowed to be passed
+ * into the parser as "text", so we only warn about spaces here.
+ */
- for (j = 0; j < 4; j++, i++) {
- if (0 == (mac[j] = buf[i]))
- break;
- else if (' ' == buf[i])
- break;
- }
+ if (buf[offs] == '\0' && buf[offs - 1] == ' ')
+ mandoc_msg(MANDOCERR_SPACE_EOL, man->parse,
+ ln, offs - 1, NULL);
- mac[j] = 0;
-
- if (j == 4 || j < 1) {
- if ( ! (MAN_IGN_MACRO & m->pflags)) {
- (void)man_verr(m, ln, ppos,
- "ill-formed macro: %s", mac);
- goto err;
- }
- if ( ! man_vwarn(m, ln, ppos,
- "ill-formed macro: %s", mac))
- goto err;
- return(1);
+ /*
+ * Remove prior ELINE macro, as it's being clobbered by a new
+ * macro. Note that NSCOPED macros do not close out ELINE
+ * macros---they don't print text---so we let those slip by.
+ */
+
+ if ( ! (man_macros[tok].flags & MAN_NSCOPED) &&
+ man->flags & MAN_ELINE) {
+ n = man->last;
+ assert(MAN_TEXT != n->type);
+
+ /* Remove repeated NSCOPED macros causing ELINE. */
+
+ if (man_macros[n->tok].flags & MAN_NSCOPED)
+ n = n->parent;
+
+ mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line,
+ n->pos, "%s breaks %s", man_macronames[tok],
+ man_macronames[n->tok]);
+
+ man_node_delete(man, n);
+ man->flags &= ~MAN_ELINE;
}
-
- if (MAN_MAX == (c = man_hash_find(m->htab, mac))) {
- if ( ! (MAN_IGN_MACRO & m->pflags)) {
- (void)man_verr(m, ln, ppos,
- "unknown macro: %s", mac);
- goto err;
- }
- if ( ! man_vwarn(m, ln, ppos,
- "unknown macro: %s", mac))
- goto err;
- return(1);
+
+ /*
+ * Remove prior BLINE macro that is being clobbered.
+ */
+ if ((man->flags & MAN_BLINE) &&
+ (man_macros[tok].flags & MAN_BSCOPE)) {
+ n = man->last;
+
+ /* Might be a text node like 8 in
+ * .TP 8
+ * .SH foo
+ */
+ if (n->type == MAN_TEXT)
+ n = n->parent;
+
+ /* Remove element that didn't end BLINE, if any. */
+ if ( ! (man_macros[n->tok].flags & MAN_BSCOPE))
+ n = n->parent;
+
+ assert(n->type == MAN_HEAD);
+ n = n->parent;
+ assert(n->type == MAN_BLOCK);
+ assert(man_macros[n->tok].flags & MAN_SCOPED);
+
+ mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line,
+ n->pos, "%s breaks %s", man_macronames[tok],
+ man_macronames[n->tok]);
+
+ man_node_delete(man, n);
+ man->flags &= ~MAN_BLINE;
}
- /* The macro is sane. Jump to the next word. */
+ /* Remember whether we are in next-line scope for a block head. */
- while (buf[i] && ' ' == buf[i])
- i++;
+ bline = man->flags & MAN_BLINE;
- /* Begin recursive parse sequence. */
+ /* Call to handler... */
- if ( ! man_macro(m, c, ln, ppos, &i, buf))
- goto err;
+ assert(man_macros[tok].fp);
+ (*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf);
-out:
- if (fl) {
- /*
- * A NLINE macro has been immediately followed with
- * another. Close out the preceeding macro's scope, and
- * continue.
- */
- assert(MAN_ROOT != m->last->type);
- assert(m->last->parent);
- assert(MAN_ROOT != m->last->parent->type);
+ /* In quick mode (for mandocdb), abort after the NAME section. */
- if (n != m->last)
- m->last = m->last->parent;
+ if (man->quick && tok == MAN_SH) {
+ n = man->last;
+ if (n->type == MAN_BODY &&
+ strcmp(n->prev->child->string, "NAME"))
+ return(2);
+ }
- if ( ! man_valid_post(m))
- return(0);
- if ( ! man_action_post(m))
- return(0);
- m->next = MAN_NEXT_SIBLING;
- m->flags &= ~MAN_NLINE;
- }
+ /*
+ * If we are in a next-line scope for a block head,
+ * close it out now and switch to the body,
+ * unless the next-line scope is allowed to continue.
+ */
- return(1);
+ if ( ! bline || man->flags & MAN_ELINE ||
+ man_macros[tok].flags & MAN_NSCOPED)
+ return(1);
-err: /* Error out. */
+ assert(man->flags & MAN_BLINE);
+ man->flags &= ~MAN_BLINE;
- m->flags |= MAN_HALT;
- return(0);
+ man_unscope(man, man->last->parent);
+ man_body_alloc(man, ln, ppos, man->last->tok);
+ return(1);
}
-
-int
-man_verr(struct man *man, int ln, int pos, const char *fmt, ...)
+/*
+ * Unlink a node from its context. If "man" is provided, the last parse
+ * point will also be adjusted accordingly.
+ */
+static void
+man_node_unlink(struct man *man, struct man_node *n)
{
- char buf[256];
- va_list ap;
- if (NULL == man->cb.man_err)
- return(0);
+ /* Adjust siblings. */
+
+ if (n->prev)
+ n->prev->next = n->next;
+ if (n->next)
+ n->next->prev = n->prev;
+
+ /* Adjust parent. */
- va_start(ap, fmt);
- (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
- va_end(ap);
- return((*man->cb.man_err)(man->data, ln, pos, buf));
+ if (n->parent) {
+ n->parent->nchild--;
+ if (n->parent->child == n)
+ n->parent->child = n->prev ? n->prev : n->next;
+ }
+
+ /* Adjust parse point, if applicable. */
+
+ if (man && man->last == n) {
+ /*XXX: this can occur when bailing from validation. */
+ /*assert(NULL == n->next);*/
+ if (n->prev) {
+ man->last = n->prev;
+ man->next = MAN_NEXT_SIBLING;
+ } else {
+ man->last = n->parent;
+ man->next = MAN_NEXT_CHILD;
+ }
+ }
+
+ if (man && man->first == n)
+ man->first = NULL;
}
+const struct mparse *
+man_mparse(const struct man *man)
+{
-int
-man_vwarn(struct man *man, int ln, int pos, const char *fmt, ...)
+ assert(man && man->parse);
+ return(man->parse);
+}
+
+void
+man_deroff(char **dest, const struct man_node *n)
{
- char buf[256];
- va_list ap;
+ char *cp;
+ size_t sz;
- if (NULL == man->cb.man_warn)
- return(0);
+ if (n->type != MAN_TEXT) {
+ for (n = n->child; n; n = n->next)
+ man_deroff(dest, n);
+ return;
+ }
- va_start(ap, fmt);
- (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
- va_end(ap);
- return((*man->cb.man_warn)(man->data, ln, pos, buf));
-}
+ /* Skip leading whitespace and escape sequences. */
+ cp = n->string;
+ while ('\0' != *cp) {
+ if ('\\' == *cp) {
+ cp++;
+ mandoc_escape((const char **)&cp, NULL, NULL);
+ } else if (isspace((unsigned char)*cp))
+ cp++;
+ else
+ 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;
+}
git.ckatri.com / mandoc.git / blobdiff