-/* $Id: man_macro.c,v 1.2 2009/03/23 14:31:58 kristaps Exp $ */
+/* $Id: man_macro.c,v 1.17 2009/06/18 10:53:58 kristaps Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
* 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 <assert.h>
#include <ctype.h>
#include <stdlib.h>
-#include <stdio.h>
#include <string.h>
#include "libman.h"
-static int in_line_eoln(MACRO_PROT_ARGS);
-
-const struct man_macro __man_macros[MAN_MAX] = {
- { in_line_eoln, 0 }, /* MAN___ */
- { in_line_eoln, 0 }, /* MAN_TH */
- { in_line_eoln, 0 }, /* MAN_SH */
- { in_line_eoln, 0 }, /* MAN_SS */
- { in_line_eoln, 0 }, /* MAN_TP */
- { in_line_eoln, 0 }, /* MAN_LP */
- { in_line_eoln, 0 }, /* MAN_PP */
- { in_line_eoln, 0 }, /* MAN_P */
- { in_line_eoln, 0 }, /* MAN_IP */
- { in_line_eoln, 0 }, /* MAN_HP */
- { in_line_eoln, 0 }, /* MAN_SM */
- { in_line_eoln, 0 }, /* MAN_SB */
- { in_line_eoln, 0 }, /* MAN_BI */
- { in_line_eoln, 0 }, /* MAN_IB */
- { in_line_eoln, 0 }, /* MAN_BR */
- { in_line_eoln, 0 }, /* MAN_RB */
- { in_line_eoln, 0 }, /* MAN_R */
- { in_line_eoln, 0 }, /* MAN_B */
- { in_line_eoln, 0 }, /* MAN_I */
-};
+#define FL_NLINE (1 << 0)
+#define FL_TLINE (1 << 1)
-const struct man_macro * const man_macros = __man_macros;
+static int man_args(struct man *, int,
+ int *, char *, char **);
+static int man_flags[MAN_MAX] = {
+ 0, /* br */
+ 0, /* TH */
+ 0, /* SH */
+ 0, /* SS */
+ FL_TLINE, /* TP */
+ 0, /* LP */
+ 0, /* PP */
+ 0, /* P */
+ 0, /* IP */
+ 0, /* HP */
+ FL_NLINE, /* SM */
+ FL_NLINE, /* SB */
+ FL_NLINE, /* BI */
+ FL_NLINE, /* IB */
+ FL_NLINE, /* BR */
+ FL_NLINE, /* RB */
+ FL_NLINE, /* R */
+ FL_NLINE, /* B */
+ FL_NLINE, /* I */
+ FL_NLINE, /* IR */
+ FL_NLINE, /* RI */
+ 0, /* na */
+ FL_NLINE, /* i */
+};
-/*
- * In-line macro that spans an entire line. May be callable, but has no
- * subsequent parsed arguments.
- */
-static int
-in_line_eoln(MACRO_PROT_ARGS)
+int
+man_macro(struct man *man, int tok, int line,
+ int ppos, int *pos, char *buf)
{
-#if 0
- int c, w, la;
- char *p;
+ int w, la;
+ char *p;
+ struct man_node *n;
- if ( ! man_elem_alloc(man, line, ppos, tok, arg))
+ if ( ! man_elem_alloc(man, line, ppos, tok))
return(0);
- man->next = MDOC_NEXT_SIBLING;
+ n = man->last;
+ man->next = MAN_NEXT_CHILD;
for (;;) {
la = *pos;
- w = man_args(man, line, pos, buf, tok, &p);
+ w = man_args(man, line, pos, buf, &p);
- if (ARGS_ERROR == w)
+ if (-1 == w)
return(0);
- if (ARGS_EOLN == w)
+ if (0 == w)
break;
- c = ARGS_QWORD == w ? MAN_MAX :
- lookup(man, line, la, tok, p);
+ if ( ! man_word_alloc(man, line, la, p))
+ return(0);
+ man->next = MAN_NEXT_SIBLING;
+ }
- if (MDOC_MAX != c && -1 != c) {
- if ( ! rew_elem(mdoc, tok))
- return(0);
- return(mdoc_macro(mdoc, c, line, la, pos, buf));
- } else if (-1 == c)
+ if (n == man->last && (FL_NLINE & man_flags[tok])) {
+ if (MAN_NLINE & man->flags)
+ return(man_perr(man, line, ppos, WLNSCOPE));
+ man->flags |= MAN_NLINE;
+ return(1);
+ }
+
+ if (FL_TLINE & man_flags[tok]) {
+ if (MAN_NLINE & man->flags)
+ return(man_perr(man, line, ppos, WLNSCOPE));
+ man->flags |= MAN_NLINE;
+ return(1);
+ }
+
+ /*
+ * Note that when TH is pruned, we'll be back at the root, so
+ * make sure that we don't clobber as its sibling.
+ */
+
+ for ( ; man->last; man->last = man->last->parent) {
+ if (man->last == n)
+ break;
+ if (man->last->type == MAN_ROOT)
+ break;
+ if ( ! man_valid_post(man))
+ return(0);
+ if ( ! man_action_post(man))
return(0);
+ }
+
+ assert(man->last);
+
+ /*
+ * Same here regarding whether we're back at the root.
+ */
+
+ if (man->last->type != MAN_ROOT && ! man_valid_post(man))
+ return(0);
+ if (man->last->type != MAN_ROOT && ! man_action_post(man))
+ return(0);
+ if (man->last->type != MAN_ROOT)
+ man->next = MAN_NEXT_SIBLING;
+
+ return(1);
+}
- if ( ! mdoc_word_alloc(mdoc, line, la, p))
+
+int
+man_macroend(struct man *m)
+{
+
+ for ( ; m->last && m->last != m->first;
+ m->last = m->last->parent) {
+ if ( ! man_valid_post(m))
+ return(0);
+ if ( ! man_action_post(m))
return(0);
}
+ assert(m->last == m->first);
+
+ if ( ! man_valid_post(m))
+ return(0);
+ if ( ! man_action_post(m))
+ return(0);
- return(rew_elem(mdoc, tok));
-#endif
return(1);
}
+
+/* ARGSUSED */
+static int
+man_args(struct man *m, int line,
+ int *pos, char *buf, char **v)
+{
+
+ if (0 == buf[*pos])
+ return(0);
+
+ /* First parse non-quoted strings. */
+
+ if ('\"' != buf[*pos]) {
+ *v = &buf[*pos];
+
+ while (buf[*pos]) {
+ if (' ' == buf[*pos])
+ if ('\\' != buf[*pos - 1])
+ break;
+ (*pos)++;
+ }
+
+ if (0 == buf[*pos])
+ return(1);
+
+ buf[(*pos)++] = 0;
+
+ if (0 == buf[*pos])
+ return(1);
+
+ while (buf[*pos] && ' ' == buf[*pos])
+ (*pos)++;
+
+ if (buf[*pos])
+ return(1);
+
+ if ( ! man_pwarn(m, line, *pos, WTSPACE))
+ return(-1);
+
+ return(1);
+ }
+
+ /*
+ * If we're a quoted string (and quoted strings are allowed),
+ * then parse ahead to the next quote. If none's found, it's an
+ * error. After, parse to the next word.
+ */
+
+ *v = &buf[++(*pos)];
+
+ while (buf[*pos] && '\"' != buf[*pos])
+ (*pos)++;
+
+ if (0 == buf[*pos]) {
+ if ( ! man_pwarn(m, line, *pos, WTQUOTE))
+ return(-1);
+ return(1);
+ }
+
+ buf[(*pos)++] = 0;
+ if (0 == buf[*pos])
+ return(1);
+
+ while (buf[*pos] && ' ' == buf[*pos])
+ (*pos)++;
+
+ if (buf[*pos])
+ return(1);
+
+ if ( ! man_pwarn(m, line, *pos, WTSPACE))
+ return(-1);
+ return(1);
+}