-/* $Id: mdoc.c,v 1.111 2009/10/26 07:11:07 kristaps Exp $ */
+/* $Id: mdoc.c,v 1.119 2010/04/03 13:02:35 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <sys/types.h>
#include <assert.h>
#include <string.h>
#include "libmdoc.h"
+#include "libmandoc.h"
const char *const __mdoc_merrnames[MERRMAX] = {
"trailing whitespace", /* ETAILWS */
"unexpected quoted parameter", /* EQUOTPARM */
"unterminated quoted parameter", /* EQUOTTERM */
- "system: malloc error", /* EMALLOC */
"argument parameter suggested", /* EARGVAL */
"macro disallowed in prologue", /* EBODYPROL */
"macro disallowed in body", /* EPROLBODY */
"Nm", "Op", "Ot", "Pa",
"Rv", "St", "Va", "Vt",
/* LINTED */
- "Xr", "\%A", "\%B", "\%D",
+ "Xr", "%A", "%B", "%D",
/* LINTED */
- "\%I", "\%J", "\%N", "\%O",
+ "%I", "%J", "%N", "%O",
/* LINTED */
- "\%P", "\%R", "\%T", "\%V",
+ "%P", "%R", "%T", "%V",
"Ac", "Ao", "Aq", "At",
"Bc", "Bf", "Bo", "Bq",
"Bsx", "Bx", "Db", "Dc",
"Fr", "Ud", "Lb", "Lp",
"Lk", "Mt", "Brq", "Bro",
/* LINTED */
- "Brc", "\%C", "Es", "En",
+ "Brc", "%C", "Es", "En",
/* LINTED */
- "Dx", "\%Q", "br", "sp",
+ "Dx", "%Q", "br", "sp",
/* LINTED */
- "\%U"
+ "%U"
};
const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
const char * const *mdoc_argnames = __mdoc_argnames;
static void mdoc_free1(struct mdoc *);
-static int mdoc_alloc1(struct mdoc *);
+static void mdoc_alloc1(struct mdoc *);
static struct mdoc_node *node_alloc(struct mdoc *, int, int,
- int, enum mdoc_type);
+ enum mdoct, enum mdoc_type);
static int node_append(struct mdoc *,
struct mdoc_node *);
static int parsetext(struct mdoc *, int, char *);
static int pstring(struct mdoc *, int, int,
const char *, size_t);
-#ifdef __linux__
-extern size_t strlcpy(char *, const char *, size_t);
-#endif
-
-
const struct mdoc_node *
mdoc_node(const struct mdoc *m)
{
/*
* Allocate all volatile resources (parse tree, meta-data, fields).
*/
-static int
+static void
mdoc_alloc1(struct mdoc *mdoc)
{
- bzero(&mdoc->meta, sizeof(struct mdoc_meta));
+ memset(&mdoc->meta, 0, sizeof(struct mdoc_meta));
mdoc->flags = 0;
mdoc->lastnamed = mdoc->lastsec = SEC_NONE;
- mdoc->last = calloc(1, sizeof(struct mdoc_node));
- if (NULL == mdoc->last)
- return(0);
-
+ mdoc->last = mandoc_calloc(1, sizeof(struct mdoc_node));
mdoc->first = mdoc->last;
mdoc->last->type = MDOC_ROOT;
mdoc->next = MDOC_NEXT_CHILD;
- return(1);
}
* and the parser is ready for re-invocation on a new tree; however,
* cross-parse non-volatile data is kept intact.
*/
-int
+void
mdoc_reset(struct mdoc *mdoc)
{
mdoc_free1(mdoc);
- return(mdoc_alloc1(mdoc));
+ mdoc_alloc1(mdoc);
}
{
struct mdoc *p;
- if (NULL == (p = calloc(1, sizeof(struct mdoc))))
- return(NULL);
- if (cb)
- (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
+ p = mandoc_calloc(1, sizeof(struct mdoc));
- mdoc_hash_init();
+ if (cb)
+ memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
p->data = data;
p->pflags = pflags;
- if (mdoc_alloc1(p))
- return(p);
-
- free(p);
- return(NULL);
+ mdoc_hash_init();
+ mdoc_alloc1(p);
+ return(p);
}
int
-mdoc_macro(struct mdoc *m, int tok,
+mdoc_macro(struct mdoc *m, enum mdoct tok,
int ln, int pp, int *pos, char *buf)
{
+
+ assert(tok < MDOC_MAX);
/*
* If we're in the prologue, deny "body" macros. Similarly, if
* we're in the body, deny prologue calls.
static struct mdoc_node *
-node_alloc(struct mdoc *m, int line,
- int pos, int tok, enum mdoc_type type)
+node_alloc(struct mdoc *m, int line, int pos,
+ enum mdoct tok, enum mdoc_type type)
{
struct mdoc_node *p;
- if (NULL == (p = calloc(1, sizeof(struct mdoc_node)))) {
- (void)mdoc_nerr(m, m->last, EMALLOC);
- return(NULL);
- }
-
+ p = mandoc_calloc(1, sizeof(struct mdoc_node));
p->sec = m->lastsec;
p->line = line;
p->pos = pos;
p->tok = tok;
- if (MDOC_TEXT != (p->type = type))
- assert(p->tok >= 0);
+ p->type = type;
return(p);
}
int
-mdoc_tail_alloc(struct mdoc *m, int line, int pos, int tok)
+mdoc_tail_alloc(struct mdoc *m, int line, int pos, enum mdoct tok)
{
struct mdoc_node *p;
p = node_alloc(m, line, pos, tok, MDOC_TAIL);
- if (NULL == p)
- return(0);
if ( ! node_append(m, p))
return(0);
m->next = MDOC_NEXT_CHILD;
int
-mdoc_head_alloc(struct mdoc *m, int line, int pos, int tok)
+mdoc_head_alloc(struct mdoc *m, int line, int pos, enum mdoct tok)
{
struct mdoc_node *p;
assert(m->last);
p = node_alloc(m, line, pos, tok, MDOC_HEAD);
- if (NULL == p)
- return(0);
if ( ! node_append(m, p))
return(0);
m->next = MDOC_NEXT_CHILD;
int
-mdoc_body_alloc(struct mdoc *m, int line, int pos, int tok)
+mdoc_body_alloc(struct mdoc *m, int line, int pos, enum mdoct tok)
{
struct mdoc_node *p;
p = node_alloc(m, line, pos, tok, MDOC_BODY);
- if (NULL == p)
- return(0);
if ( ! node_append(m, p))
return(0);
m->next = MDOC_NEXT_CHILD;
int
mdoc_block_alloc(struct mdoc *m, int line, int pos,
- int tok, struct mdoc_arg *args)
+ enum mdoct tok, struct mdoc_arg *args)
{
struct mdoc_node *p;
p = node_alloc(m, line, pos, tok, MDOC_BLOCK);
- if (NULL == p)
- return(0);
p->args = args;
if (p->args)
(args->refcnt)++;
int
mdoc_elem_alloc(struct mdoc *m, int line, int pos,
- int tok, struct mdoc_arg *args)
+ enum mdoct tok, struct mdoc_arg *args)
{
struct mdoc_node *p;
p = node_alloc(m, line, pos, tok, MDOC_ELEM);
- if (NULL == p)
- return(0);
p->args = args;
if (p->args)
(args->refcnt)++;
size_t sv;
n = node_alloc(m, line, pos, -1, MDOC_TEXT);
- if (NULL == n)
- return(mdoc_nerr(m, m->last, EMALLOC));
-
- n->string = malloc(len + 1);
- if (NULL == n->string) {
- free(n);
- return(mdoc_nerr(m, m->last, EMALLOC));
- }
-
+ n->string = mandoc_malloc(len + 1);
sv = strlcpy(n->string, p, len + 1);
/* Prohibit truncation. */
parsetext(struct mdoc *m, int line, char *buf)
{
int i, j;
+ char sv;
if (SEC_NONE == m->lastnamed)
return(mdoc_perr(m, line, 0, ETEXTPROL));
for (i = 0; ' ' == buf[i]; i++)
/* Skip leading whitespace. */ ;
- if (0 == buf[i])
- return(mdoc_perr(m, line, 0, ENOBLANK));
+
+ if ('\0' == buf[i]) {
+ if ( ! mdoc_pwarn(m, line, 0, ENOBLANK))
+ return(0);
+ /*
+ * Assume that a `Pp' should be inserted in the case of
+ * a blank line. Technically, blank lines aren't
+ * allowed, but enough manuals assume this behaviour
+ * that we want to work around it.
+ */
+ if ( ! mdoc_elem_alloc(m, line, 0, MDOC_Pp, NULL))
+ return(0);
+ }
/*
* Break apart a free-form line into tokens. Spaces are
if (i && ' ' == buf[i] && '\\' == buf[i - 1])
continue;
- buf[i++] = 0;
+ sv = buf[i];
+ buf[i++] = '\0';
+
if ( ! pstring(m, line, j, &buf[j], (size_t)(i - j)))
return(0);
+ /* Trailing whitespace? Check at overwritten byte. */
+
+ if (' ' == sv && '\0' == buf[i])
+ if ( ! mdoc_pwarn(m, line, i - 1, ETAILWS))
+ return(0);
+
for ( ; ' ' == buf[i]; i++)
/* Skip trailing whitespace. */ ;
j = i;
- if (0 == buf[i])
+
+ /* Trailing whitespace? */
+
+ if (' ' == buf[i - 1] && '\0' == buf[i])
+ if ( ! mdoc_pwarn(m, line, i - 1, ETAILWS))
+ return(0);
+
+ if ('\0' == buf[i])
break;
}
/* Empty lines are ignored. */
- if (0 == buf[1])
+ if ('\0' == buf[1])
return(1);
i = 1;
i++;
while (buf[i] && ' ' == buf[i])
i++;
- if (0 == buf[i])
+ if ('\0' == buf[i])
return(1);
}
/* Copy the first word into a nil-terminated buffer. */
for (j = 0; j < 4; j++, i++) {
- if (0 == (mac[j] = buf[i]))
+ if ('\0' == (mac[j] = buf[i]))
break;
else if (' ' == buf[i])
break;
while (buf[i] && ' ' == buf[i])
i++;
+ /* Trailing whitespace? */
+
+ if ('\0' == buf[i] && ' ' == buf[i - 1])
+ if ( ! mdoc_pwarn(m, ln, i - 1, ETAILWS))
+ goto err;
+
/*
* Begin recursive parse sequence. Since we're at the start of
* the line, we don't need to do callable/parseable checks.
git.ckatri.com / mandoc.git / blobdiff