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enhanced htrd to extract the anchor part from the requested URI.

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added mio_htre_getqanchor()
This commit is contained in:
hyung-hwan
2020-06-02 06:41:20 +00:00
parent e194ed01ff
commit 3752a0f4c4
2 changed files with 45 additions and 102 deletions
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145
mio/lib/htrd.c
View File

@ -292,125 +292,66 @@ static mio_bch_t* parse_initial_line (mio_htrd_t* htrd, mio_bch_t* line)
}
else
{
#if 0
mio_bch_t* out;
#endif
mio_bcs_t param;
mio_bcs_t anchor;
/* skip spaces */
do p++; while (is_space_octet(*p));
/* process the url part */
tmp.ptr = p; /* remember the beginning of path*/
param.ptr = MIO_NULL;
#if 0
out = p;
while (*p != '\0' && !is_space_octet(*p))
tmp.ptr = p; tmp.len = 0;
param.ptr = MIO_NULL; param.len = 0;
anchor.ptr = MIO_NULL; anchor.len = 0;
while (1)
{
if (*p == '%' && param.ptr == MIO_NULL)
if (MIO_UNLIKELY(*p == '\0')) goto badre;
else if (is_space_octet(*p) || *p == '?' || *p == '#')
{
/* decode percent-encoded charaters in the
* path part. if we're in the parameter string
* part, we don't decode them. */
int q = xdigit_to_num(*(p+1));
int w = xdigit_to_num(*(p+2));
if (q >= 0 && w >= 0)
{
int t = (q << 4) + w;
if (t == 0)
{
/* percent enconding contains a null character */
goto badre;
}
*out++ = t;
p += 3;
htrd->re.flags |= MIO_HTRE_QPATH_PERDEC;
}
else *out++ = *p++;
}
else if (*p == '?')
{
if (param.ptr == MIO_NULL)
{
/* ? must be explicit to be an argument instroducer.
* %3f is just a literal. */
tmp.len = out - tmp.ptr;
*out++ = '\0'; /* null-terminate the path part */
param.ptr = out;
p++;
}
else *out++ = *p++;
}
else *out++ = *p++;
}
/* the url must be followed by a space */
if (!is_space_octet(*p)) goto badre;
/* null-terminate the url part though we know the length */
*out = '\0';
if (htrd->re.flags & MIO_HTRE_QPATH_PERDEC)
{
/* TODO: build the original qpath */
htrd->re.orgpqath.ptr = XXX;
htrd->re.orgpath.len = XXXX;
}
if (param.ptr)
{
param.len = out - param.ptr;
htrd->re.u.q.path = tmp;
htrd->re.u.q.param = param;
}
else
{
tmp.len = out - tmp.ptr;
htrd->re.u.q.path = tmp;
htrd->re.u.q.param.ptr = MIO_NULL;
htrd->re.u.q.param.len = 0;
}
#else
while (*p != '\0' && !is_space_octet(*p))
{
if (*p == '?' && !param.ptr)
{
tmp.len = p - tmp.ptr; /* length of the path part */
*p++ = '\0'; /* null-terminate the path part */
param.ptr = p;
tmp.len = p - tmp.ptr;
if (tmp.len <= 0) goto badre;
break;
}
else p++;
}
/* the url must be followed by a space */
if (!is_space_octet(*p)) goto badre;
if (param.ptr)
if (*p == '?')
{
param.len = p - param.ptr; /* length of the param part */
param.ptr = ++p;
while (1)
{
if (MIO_UNLIKELY(*p == '\0')) goto badre;
else if (is_space_octet(*p) || *p == '#')
{
param.len = p - param.ptr;
break;
}
else p++;
}
}
else
{
tmp.len = p - tmp.ptr;
param.len = 0;
}
*p = '\0'; /* null-terminate the path or param part */
if (param.ptr)
if (*p == '#')
{
htrd->re.u.q.path = tmp;
htrd->re.u.q.param = param;
anchor.ptr = ++p;
while (1)
{
if (MIO_UNLIKELY(*p == '\0')) goto badre;
else if (is_space_octet(*p))
{
anchor.len = p - anchor.ptr;
break;
}
else p++;
}
}
else
{
htrd->re.u.q.path = tmp;
htrd->re.u.q.param.ptr = MIO_NULL;
htrd->re.u.q.param.len = 0;
}
#endif
tmp.ptr[tmp.len] = '\0';
if (param.ptr) param.ptr[param.len] = '\0';
if (anchor.ptr) anchor.ptr[anchor.len] = '\0';
htrd->re.u.q.path = tmp;
htrd->re.u.q.param = param;
htrd->re.u.q.anchor = anchor;
if (htrd->option & MIO_HTRD_CANONQPATH)
{

2
mio/lib/mio-htre.h
View File

@ -152,6 +152,7 @@ struct mio_htre_t
} method;
mio_bcs_t path;
mio_bcs_t param;
mio_bcs_t anchor;
} q;
struct
{
@ -216,6 +217,7 @@ struct mio_htre_t
#define mio_htre_getqpath(re) ((re)->u.q.path.ptr)
#define mio_htre_getqparam(re) ((re)->u.q.param.ptr)
#define mio_htre_getqanchor(re) ((re)->u.q.anchor.ptr)
#define mio_htre_getorgqpath(re) ((re)->orgqpath.ptr)
#define mio_htre_getscodeval(re) ((re)->u.s.code.val)