-/* $Id: man.c,v 1.43 2009/10/26 07:11:06 kristaps Exp $ */
+/* $Id: man.c,v 1.51 2010/03/22 14:03:03 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 "libman.h"
+#include "libmandoc.h"
const char *const __man_merrnames[WERRMAX] = {
"invalid character", /* WNPRINT */
- "system: malloc error", /* WNMEM */
"invalid manual section", /* WMSEC */
"invalid date format", /* WDATE */
"scope of prior line violated", /* WLNSCOPE */
+ "over-zealous prior line scope violation", /* WLNSCOPE2 */
"trailing whitespace", /* WTSPACE */
"unterminated quoted parameter", /* WTQUOTE */
"document has no body", /* WNODATA */
static int man_ptext(struct man *, int, char *);
static int man_pmacro(struct man *, int, char *);
static void man_free1(struct man *);
-static int man_alloc1(struct man *);
+static void man_alloc1(struct man *);
static int pstring(struct man *, int, int,
const char *, size_t);
static int macrowarn(struct man *, int, const char *);
-#ifdef __linux__
-extern size_t strlcpy(char *, const char *, size_t);
-#endif
-
const struct man_node *
man_node(const struct man *m)
}
-int
+void
man_reset(struct man *man)
{
man_free1(man);
- return(man_alloc1(man));
+ man_alloc1(man);
}
{
struct man *p;
- if (NULL == (p = calloc(1, sizeof(struct man))))
- return(NULL);
+ p = mandoc_calloc(1, sizeof(struct man));
- if ( ! man_alloc1(p)) {
- free(p);
- return(NULL);
- }
+ if (cb)
+ memcpy(&p->cb, cb, sizeof(struct man_cb));
man_hash_init();
-
p->data = data;
p->pflags = pflags;
- (void)memcpy(&p->cb, cb, sizeof(struct man_cb));
+
+ man_alloc1(p);
return(p);
}
}
-static int
+static void
man_alloc1(struct man *m)
{
- bzero(&m->meta, sizeof(struct man_meta));
+ memset(&m->meta, 0, sizeof(struct man_meta));
m->flags = 0;
- m->last = calloc(1, sizeof(struct man_node));
- if (NULL == m->last)
- return(0);
+ m->last = mandoc_calloc(1, sizeof(struct man_node));
m->first = m->last;
m->last->type = MAN_ROOT;
m->next = MAN_NEXT_CHILD;
- return(1);
}
{
struct man_node *p;
- p = calloc(1, sizeof(struct man_node));
- if (NULL == p)
- return(NULL);
-
+ p = mandoc_calloc(1, sizeof(struct man_node));
p->line = line;
p->pos = pos;
p->type = type;
struct man_node *p;
p = man_node_alloc(line, pos, MAN_ELEM, tok);
- if (NULL == p)
- return(0);
if ( ! man_node_append(m, p))
return(0);
m->next = MAN_NEXT_CHILD;
struct man_node *p;
p = man_node_alloc(line, pos, MAN_HEAD, tok);
- if (NULL == p)
- return(0);
if ( ! man_node_append(m, p))
return(0);
m->next = MAN_NEXT_CHILD;
struct man_node *p;
p = man_node_alloc(line, pos, MAN_BODY, tok);
- if (NULL == p)
- return(0);
if ( ! man_node_append(m, p))
return(0);
m->next = MAN_NEXT_CHILD;
struct man_node *p;
p = man_node_alloc(line, pos, MAN_BLOCK, tok);
- if (NULL == p)
- return(0);
if ( ! man_node_append(m, p))
return(0);
m->next = MAN_NEXT_CHILD;
size_t sv;
n = man_node_alloc(line, pos, MAN_TEXT, -1);
- if (NULL == n)
- return(0);
-
- n->string = malloc(len + 1);
- if (NULL == n->string) {
- free(n);
- return(0);
- }
-
+ n->string = mandoc_malloc(len + 1);
sv = strlcpy(n->string, p, len + 1);
/* Prohibit truncation. */
man_ptext(struct man *m, int line, char *buf)
{
int i, j;
+ char sv;
/* Literal free-form text whitespace is preserved. */
for (i = 0; ' ' == buf[i]; i++)
/* Skip leading whitespace. */ ;
- if (0 == buf[i]) {
+
+ if ('\0' == buf[i]) {
+ /* Trailing whitespace? */
+ if (i && ' ' == buf[i - 1])
+ if ( ! man_pwarn(m, line, i - 1, WTSPACE))
+ return(0);
if ( ! pstring(m, line, 0, &buf[i], 0))
return(0);
goto descope;
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 ( ! man_pwarn(m, line, i - 1, WTSPACE))
+ 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 ( ! man_pwarn(m, line, i - 1, WTSPACE))
+ return(0);
+
+ if ('\0' == buf[i])
break;
}
fl = m->flags;
- if (0 == buf[1])
- goto out;
+ if ('\0' == buf[1])
+ return(1);
i = 1;
i++;
while (buf[i] && ' ' == buf[i])
i++;
- if (0 == buf[i])
+ if ('\0' == buf[i])
goto out;
}
/* 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;
return(man_perr(m, ln, i, WNPRINT));
}
- mac[j] = 0;
+ mac[j] = '\0';
if (j == 4 || j < 1) {
if ( ! (MAN_IGN_MACRO & m->pflags)) {
while (buf[i] && ' ' == buf[i])
i++;
- /* Remove prior ELINE macro, if applicable. */
+ /* Trailing whitespace? */
+
+ if ('\0' == buf[i] && ' ' == buf[i - 1])
+ if ( ! man_pwarn(m, ln, i - 1, WTSPACE))
+ goto err;
+
+ /*
+ * Remove prior ELINE macro, as it's being clobbering 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_NSCOPED & man_macros[c].flags) &&
+ m->flags & MAN_ELINE) {
+ assert(MAN_TEXT != m->last->type);
+
+ /*
+ * This occurs in the following construction:
+ * .B
+ * .br
+ * .B
+ * .br
+ * I hate man macros.
+ * Flat-out disallow this madness.
+ */
+ if (MAN_NSCOPED & man_macros[m->last->tok].flags)
+ return(man_perr(m, ln, ppos, WLNSCOPE));
- if (m->flags & MAN_ELINE) {
n = m->last;
+
+ assert(n);
assert(NULL == n->child);
assert(0 == n->nchild);
+
if ( ! man_nwarn(m, n, WLNSCOPE))
return(0);
- if (n->prev) {
- assert(n != n->parent->child);
- assert(n == n->prev->next);
- n->prev->next = NULL;
- m->last = n->prev;
- m->next = MAN_NEXT_SIBLING;
- } else {
- assert(n == n->parent->child);
- n->parent->child = NULL;
- m->last = n->parent;
- m->next = MAN_NEXT_CHILD;
- }
-
+ man_node_unlink(m, n);
man_node_free(n);
m->flags &= ~MAN_ELINE;
}
goto err;
out:
- if ( ! (MAN_BLINE & fl))
+ /*
+ * We weren't in a block-line scope when entering the
+ * above-parsed macro, so return.
+ */
+
+ if ( ! (MAN_BLINE & fl)) {
+ m->flags &= ~MAN_ILINE;
+ return(1);
+ }
+
+ /*
+ * If we're in a block scope, then allow this macro to slip by
+ * without closing scope around it.
+ */
+
+ if (MAN_ILINE & m->flags) {
+ m->flags &= ~MAN_ILINE;
return(1);
+ }
/*
* If we've opened a new next-line element scope, then return
return(man_vwarn(m, line, pos, p));
}
+
+
+void
+man_node_unlink(struct man *m, struct man_node *n)
+{
+
+ if (n->prev) {
+ n->prev->next = n->next;
+ if (m->last == n) {
+ assert(NULL == n->next);
+ m->last = n->prev;
+ m->next = MAN_NEXT_SIBLING;
+ }
+ } else {
+ n->parent->child = n->next;
+ if (m->last == n) {
+ assert(NULL == n->next);
+ m->last = n->parent;
+ m->next = MAN_NEXT_CHILD;
+ }
+ }
+
+ if (n->next)
+ n->next->prev = n->prev;
+}
git.ckatri.com / mandoc.git / blobdiff