summaryrefslogtreecommitdiffstats
path: root/argv.c
diff options
context:
space:
mode:
authorKristaps Dzonsons <kristaps@bsd.lv>2009-01-12 16:39:57 +0000
committerKristaps Dzonsons <kristaps@bsd.lv>2009-01-12 16:39:57 +0000
commit1ffa508fd07870fb2094e48de2c5207abd02fc6c (patch)
tree5386c805f76801425f3e589242f263837395f6c2 /argv.c
parentf41349a945984d15e04b7576ea08bc651631d093 (diff)
downloadmandoc-1ffa508fd07870fb2094e48de2c5207abd02fc6c.tar.gz
*** empty log message ***
Diffstat (limited to 'argv.c')
-rw-r--r--argv.c145
1 files changed, 93 insertions, 52 deletions
diff --git a/argv.c b/argv.c
index e70969b3..68d076c8 100644
--- a/argv.c
+++ b/argv.c
@@ -29,6 +29,10 @@
static int lookup(int, const char *);
static int parse(struct mdoc *, int, int,
struct mdoc_arg *, int *, char *);
+static int parse_single(struct mdoc *, int,
+ struct mdoc_arg *, int *, char *);
+static int parse_multi(struct mdoc *, int,
+ struct mdoc_arg *, int *, char *);
static int postparse(struct mdoc *, int,
const struct mdoc_arg *, int);
@@ -50,6 +54,10 @@ mdoc_args(struct mdoc *mdoc, int line, int *pos, char *buf, int fl, char **v)
return(ARGS_ERROR);
if ((fl & ARGS_DELIM) && mdoc_iscdelim(buf[*pos])) {
+ /*
+ * If ARGS_DELIM, return ARGS_PUNCT if only space-separated
+ * punctuation remains.
+ */
for (i = *pos; buf[i]; ) {
if ( ! mdoc_iscdelim(buf[i]))
break;
@@ -66,25 +74,43 @@ mdoc_args(struct mdoc *mdoc, int line, int *pos, char *buf, int fl, char **v)
}
}
- /*
- * Parse routine for non-quoted string.
- */
+ /* Parse routine for non-quoted string. */
if ('\"' != buf[*pos]) {
*v = &buf[*pos];
- while (buf[*pos] && ! isspace(buf[*pos]))
- (*pos)++;
+ /* FIXME: UGLY tab-sep processing. */
+
+ if (ARGS_TABSEP & fl)
+ while (buf[*pos]) {
+ if ('\t' == buf[*pos])
+ break;
+ if ('T' == buf[*pos]) {
+ (*pos)++;
+ if (0 == buf[*pos])
+ break;
+ if ('a' == buf[*pos]) {
+ buf[*pos - 1] = 0;
+ break;
+ }
+ }
+ (*pos)++;
+ }
+ else
+ while (buf[*pos] && ! isspace(buf[*pos]))
+ (*pos)++;
if (0 == buf[*pos])
return(ARGS_WORD);
buf[(*pos)++] = 0;
+
if (0 == buf[*pos])
return(ARGS_WORD);
- while (buf[*pos] && isspace(buf[*pos]))
- (*pos)++;
+ if ( ! (ARGS_TABSEP & fl))
+ while (buf[*pos] && isspace(buf[*pos]))
+ (*pos)++;
if (buf[*pos])
return(ARGS_WORD);
@@ -101,6 +127,8 @@ mdoc_args(struct mdoc *mdoc, int line, int *pos, char *buf, int fl, char **v)
* error. After, parse to the next word.
*/
+ assert( ! (ARGS_TABSEP & fl));
+
*v = &buf[++(*pos)];
while (buf[*pos] && '\"' != buf[*pos])
@@ -318,65 +346,78 @@ postparse(struct mdoc *mdoc, int line, const struct mdoc_arg *v, int pos)
static int
-parse(struct mdoc *mdoc, int line, int tok,
+parse_multi(struct mdoc *mdoc, int line,
struct mdoc_arg *v, int *pos, char *buf)
{
+ int c, ppos;
char *p;
- int c, ppos, i;
+
+ v->sz = 0;
+ v->value = xcalloc(MDOC_LINEARG_MAX, sizeof(char *));
ppos = *pos;
- switch (v->arg) {
- case(MDOC_Std):
- /* FALLTHROUGH */
- case(MDOC_Width):
- /* FALLTHROUGH */
- case(MDOC_Offset):
- /*
- * This has a single value for an argument.
- */
+ for (v->sz = 0; v->sz < MDOC_LINEARG_MAX; v->sz++) {
+ if ('-' == buf[*pos])
+ break;
c = mdoc_args(mdoc, line, pos, buf, ARGS_QUOTED, &p);
- if (ARGS_ERROR == c)
+ if (ARGS_ERROR == c) {
+ free(v->value);
return(0);
- else if (ARGS_EOLN != c) {
- v->sz = 1;
- v->value = xcalloc(1, sizeof(char *));
- v->value[0] = p;
+ } else if (ARGS_EOLN == c)
break;
- }
+ v->value[v->sz] = p;
+ }
+
+ if (0 < v->sz && v->sz < MDOC_LINEARG_MAX)
+ return(1);
+
+ c = 0 == v->sz ? ERR_SYNTAX_ARGVAL : ERR_SYNTAX_ARGMANY;
+ free(v->value);
+ return(mdoc_perr(mdoc, line, ppos, c));
+}
+
+
+static int
+parse_single(struct mdoc *mdoc, int line,
+ struct mdoc_arg *v, int *pos, char *buf)
+{
+ int c, ppos;
+ char *p;
+
+ ppos = *pos;
+
+ c = mdoc_args(mdoc, line, pos, buf, ARGS_QUOTED, &p);
+ if (ARGS_ERROR == c)
+ return(0);
+ if (ARGS_EOLN == c)
return(mdoc_perr(mdoc, line, ppos, ERR_SYNTAX_ARGVAL));
- case(MDOC_Column):
- /*
- * This has several value for a single argument. We
- * pre-allocate a pointer array and don't let it exceed
- * this size.
- */
- v->sz = 0;
- v->value = xcalloc(MDOC_LINEARG_MAX, sizeof(char *));
- for (i = 0; i < MDOC_LINEARG_MAX; i++) {
- c = mdoc_args(mdoc, line, pos, buf, ARGS_QUOTED, &p);
- if (ARGS_ERROR == c) {
- free(v->value);
- return(0);
- } else if (ARGS_EOLN == c)
- break;
- v->value[i] = p;
- }
- if (0 == i) {
- free(v->value);
- return(mdoc_perr(mdoc, line, ppos,
- ERR_SYNTAX_ARGVAL));
- } else if (MDOC_LINEARG_MAX == i)
- return(mdoc_perr(mdoc, line, ppos,
- ERR_SYNTAX_ARGMANY));
+ v->sz = 1;
+ v->value = xcalloc(1, sizeof(char *));
+ v->value[0] = p;
+ return(1);
+}
- v->sz = i;
- break;
+static int
+parse(struct mdoc *mdoc, int line, int tok,
+ struct mdoc_arg *v, int *pos, char *buf)
+{
+
+ v->sz = 0;
+ v->value = NULL;
+
+ switch (v->arg) {
+ case(MDOC_Std):
+ /* FALLTHROUGH */
+ case(MDOC_Width):
+ /* FALLTHROUGH */
+ case(MDOC_Offset):
+ return(parse_single(mdoc, line, v, pos, buf));
+ case(MDOC_Column):
+ return(parse_multi(mdoc, line, v, pos, buf));
default:
- v->sz = 0;
- v->value = NULL;
break;
}