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-rw-r--r--argv.c102
1 files changed, 62 insertions, 40 deletions
diff --git a/argv.c b/argv.c
index 2a2d5822..43a9d004 100644
--- a/argv.c
+++ b/argv.c
@@ -37,22 +37,28 @@
#define ARGS_TABSEP (1 << 2)
static int lookup(int, const char *);
-static int parse(struct mdoc *, int,
+static int args(struct mdoc *, int, int *,
+ char *, int, char **);
+static int argv(struct mdoc *, int,
struct mdoc_arg *, int *, char *);
-static int parse_single(struct mdoc *, int,
+static int argv_single(struct mdoc *, int,
struct mdoc_arg *, int *, char *);
-static int parse_multi(struct mdoc *, int,
+static int argv_multi(struct mdoc *, int,
struct mdoc_arg *, int *, char *);
-static int postparse(struct mdoc *, int,
+static int postargv(struct mdoc *, int,
const struct mdoc_arg *, int);
static int pwarn(struct mdoc *, int, int, int);
static int perr(struct mdoc *, int, int, int);
+/* Warning messages. */
+
#define WQUOTPARM (0)
#define WARGVPARM (1)
#define WCOLEMPTY (2)
#define WTAILWS (3)
+/* Error messages. */
+
#define EQUOTTERM (0)
#define EOFFSET (1)
#define EARGVAL (2)
@@ -232,25 +238,11 @@ int
mdoc_args(struct mdoc *mdoc, int line,
int *pos, char *buf, int tok, char **v)
{
- int i, c, fl;
- char *p, *pp;
+ int fl, c, i;
struct mdoc_node *n;
- assert(*pos > 0);
-
- if (0 == buf[*pos])
- return(ARGS_EOLN);
-
fl = (0 == tok) ? 0 : mdoc_argflags[tok];
- if ('\"' == buf[*pos] && ! (fl & ARGS_QUOTED))
- if ( ! pwarn(mdoc, line, *pos, WQUOTPARM))
- return(ARGS_ERROR);
-
- if ('-' == buf[*pos])
- if ( ! pwarn(mdoc, line, *pos, WARGVPARM))
- return(ARGS_ERROR);
-
/*
* First see if we should use TABSEP (Bl -column). This
* invalidates the use of ARGS_DELIM.
@@ -264,14 +256,41 @@ mdoc_args(struct mdoc *mdoc, int line,
assert(n);
c = (int)n->data.block.argc;
assert(c > 0);
+
+ /* LINTED */
for (i = 0; i < c; i++) {
if (MDOC_Column != n->data.block.argv[i].arg)
continue;
fl |= ARGS_TABSEP;
fl &= ~ARGS_DELIM;
+ break;
}
}
+ return(args(mdoc, line, pos, buf, fl, v));
+}
+
+
+static int
+args(struct mdoc *mdoc, int line,
+ int *pos, char *buf, int fl, char **v)
+{
+ int i, c;
+ char *p, *pp;
+
+ assert(*pos > 0);
+
+ if (0 == buf[*pos])
+ return(ARGS_EOLN);
+
+ if ('\"' == buf[*pos] && ! (fl & ARGS_QUOTED))
+ if ( ! pwarn(mdoc, line, *pos, WQUOTPARM))
+ return(ARGS_ERROR);
+
+ if ('-' == buf[*pos])
+ if ( ! pwarn(mdoc, line, *pos, WARGVPARM))
+ return(ARGS_ERROR);
+
/*
* If the first character is a delimiter and we're to look for
* delimited strings, then pass down the buffer seeing if it
@@ -374,17 +393,18 @@ mdoc_args(struct mdoc *mdoc, int line,
if ( ! pwarn(mdoc, line, *pos, WTAILWS))
return(0);
+ if (p)
+ return(ARGS_WORD);
+
/* Configure the eoln case, too. */
- if (NULL == p) {
- p = strchr(*v, 0);
- assert(p);
+ p = strchr(*v, 0);
+ assert(p);
- if (p > *v && ' ' == *(p - 1))
- if ( ! pwarn(mdoc, line, *pos, WTAILWS))
- return(0);
- *pos += p - *v;
- }
+ if (p > *v && ' ' == *(p - 1))
+ if ( ! pwarn(mdoc, line, *pos, WTAILWS))
+ return(0);
+ *pos += p - *v;
return(ARGS_WORD);
}
@@ -618,7 +638,7 @@ lookup(int tok, const char *argv)
static int
-postparse(struct mdoc *mdoc, int line, const struct mdoc_arg *v, int pos)
+postargv(struct mdoc *mdoc, int line, const struct mdoc_arg *v, int pos)
{
switch (v->arg) {
@@ -645,7 +665,7 @@ postparse(struct mdoc *mdoc, int line, const struct mdoc_arg *v, int pos)
static int
-parse_multi(struct mdoc *mdoc, int line,
+argv_multi(struct mdoc *mdoc, int line,
struct mdoc_arg *v, int *pos, char *buf)
{
int c, ppos;
@@ -659,7 +679,7 @@ parse_multi(struct mdoc *mdoc, int line,
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);
+ c = args(mdoc, line, pos, buf, ARGS_QUOTED, &p);
if (ARGS_ERROR == c) {
free(v->value);
return(0);
@@ -680,7 +700,7 @@ parse_multi(struct mdoc *mdoc, int line,
static int
-parse_single(struct mdoc *mdoc, int line,
+argv_single(struct mdoc *mdoc, int line,
struct mdoc_arg *v, int *pos, char *buf)
{
int c, ppos;
@@ -688,7 +708,7 @@ parse_single(struct mdoc *mdoc, int line,
ppos = *pos;
- c = mdoc_args(mdoc, line, pos, buf, ARGS_QUOTED, &p);
+ c = args(mdoc, line, pos, buf, ARGS_QUOTED, &p);
if (ARGS_ERROR == c)
return(0);
if (ARGS_EOLN == c)
@@ -702,7 +722,7 @@ parse_single(struct mdoc *mdoc, int line,
static int
-parse(struct mdoc *mdoc, int line,
+argv(struct mdoc *mdoc, int line,
struct mdoc_arg *v, int *pos, char *buf)
{
@@ -715,9 +735,9 @@ parse(struct mdoc *mdoc, int line,
case(MDOC_Width):
/* FALLTHROUGH */
case(MDOC_Offset):
- return(parse_single(mdoc, line, v, pos, buf));
+ return(argv_single(mdoc, line, v, pos, buf));
case(MDOC_Column):
- return(parse_multi(mdoc, line, v, pos, buf));
+ return(argv_multi(mdoc, line, v, pos, buf));
default:
break;
}
@@ -731,7 +751,7 @@ mdoc_argv(struct mdoc *mdoc, int line, int tok,
struct mdoc_arg *v, int *pos, char *buf)
{
int i, ppos;
- char *argv;
+ char *p;
(void)memset(v, 0, sizeof(struct mdoc_arg));
@@ -744,12 +764,14 @@ mdoc_argv(struct mdoc *mdoc, int line, int tok,
return(ARGV_WORD);
i = *pos;
- argv = &buf[++(*pos)];
+ p = &buf[++(*pos)];
v->line = line;
v->pos = *pos;
assert(*pos > 0);
+
+ /* LINTED */
while (buf[*pos]) {
if (isspace((int)buf[*pos]))
if ('\\' != buf[*pos - 1])
@@ -760,7 +782,7 @@ mdoc_argv(struct mdoc *mdoc, int line, int tok,
if (buf[*pos])
buf[(*pos)++] = 0;
- if (MDOC_ARG_MAX == (v->arg = lookup(tok, argv))) {
+ if (MDOC_ARG_MAX == (v->arg = lookup(tok, p))) {
if ( ! pwarn(mdoc, line, i, WARGVPARM))
return(ARGV_ERROR);
return(ARGV_WORD);
@@ -772,9 +794,9 @@ mdoc_argv(struct mdoc *mdoc, int line, int tok,
/* FIXME: whitespace if no value. */
ppos = *pos;
- if ( ! parse(mdoc, line, v, pos, buf))
+ if ( ! argv(mdoc, line, v, pos, buf))
return(ARGV_ERROR);
- if ( ! postparse(mdoc, line, v, ppos))
+ if ( ! postargv(mdoc, line, v, ppos))
return(ARGV_ERROR);
return(ARGV_ARG);