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-rw-r--r--man_macro.c144
1 files changed, 92 insertions, 52 deletions
diff --git a/man_macro.c b/man_macro.c
index 7291454a..2bea77a8 100644
--- a/man_macro.c
+++ b/man_macro.c
@@ -18,79 +18,119 @@
*/
#include <assert.h>
#include <ctype.h>
+#include <err.h> /* XXX */
#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 */
-};
-
-const struct man_macro * const man_macros = __man_macros;
+static int man_args(struct man *, int,
+ int *, char *, char **);
-/*
- * 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 (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)
- return(0);
-
- if ( ! mdoc_word_alloc(mdoc, line, la, p))
+ if ( ! man_word_alloc(man, line, la, p))
return(0);
+ man->next = MAN_NEXT_SIBLING;
}
- return(rew_elem(mdoc, tok));
-#endif
+ /* TODO: validate. */
+ /* TODO: validate. */
+
+ man->last = n;
+ man->next = MAN_NEXT_SIBLING;
+
return(1);
}
+
+/* ARGSUSED */
+int
+man_args(struct man *man, 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);
+
+ warnx("tail whitespace");
+ 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]) {
+ warnx("unterminated quotation");
+ return(-1);
+ }
+
+ buf[(*pos)++] = 0;
+ if (0 == buf[*pos])
+ return(1);
+
+ while (buf[*pos] && ' ' == buf[*pos])
+ (*pos)++;
+
+ if (buf[*pos])
+ return(1);
+
+ warnx("tail whitespace");
+ return(-1);
+}