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fixed some issues in xli/json.c

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This commit is contained in:
hyung-hwan 2019-06-11 16:33:26 +00:00
parent f95e9d36cf
commit 12eacceec0
1 changed files with 52 additions and 41 deletions
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93
qse/lib/xli/json.c
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@ -114,11 +114,11 @@ static int add_char_to_token (qse_json_t* json, qse_char_t ch)
qse_char_t* tmp;
qse_size_t newcapa;
newcapa = QSE_ALIGNTO_POW2(json->tok.len + 1, QSE_JSON_TOKEN_NAME_ALIGN);
newcapa = QSE_ALIGNTO_POW2(json->tok.len + 2, QSE_JSON_TOKEN_NAME_ALIGN); /* +2 here because of -1 when setting newcapa */
tmp = (qse_char_t*)qse_json_reallocmem(json, json->tok.ptr, newcapa * QSE_SIZEOF(*tmp));
if (!tmp) return -1;
json->tok_capa = newcapa;
json->tok_capa = newcapa - 1; /* -1 to secure space for terminating null */
json->tok.ptr = tmp;
}
@ -127,6 +127,29 @@ static int add_char_to_token (qse_json_t* json, qse_char_t ch)
return 0;
}
static int add_chars_to_token (qse_json_t* json, const qse_char_t* ptr, qse_size_t len)
{
qse_size_t i;
if (json->tok_capa - json->tok.len > len)
{
qse_char_t* tmp;
qse_size_t newcapa;
newcapa = QSE_ALIGNTO_POW2(json->tok.len + len + 1, QSE_JSON_TOKEN_NAME_ALIGN);
tmp = (qse_char_t*)qse_json_reallocmem(json, json->tok.ptr, newcapa * QSE_SIZEOF(*tmp));
if (!tmp) return -1;
json->tok_capa = newcapa - 1;
json->tok.ptr = tmp;
}
for (i = 0; i < len; i++)
json->tok.ptr[json->tok.len++] = ptr[i];
json->tok.ptr[json->tok.len] = QSE_T('\0');
return 0;
}
static QSE_INLINE qse_char_t unescape (qse_char_t c)
{
switch (c)
@ -245,30 +268,24 @@ static int handle_string_value_char (qse_json_t* json, qse_cint_t c)
{
ret = 0;
add_sv_acc:
#if defined(QSE_OOCH_IS_BCH)
#if defined(QSE_CHAR_IS_WCHAR)
if (add_char_to_token(json, json->state_stack->u.sv.acc) <= -1) return -1;
#else
/* convert the character to utf8 */
{
qse_mchar_t bcsbuf[QSE_BCSIZE_MAX];
qse_size_t ucslen, bcslen;
qse_mchar_t bcsbuf[QSE_MBLEN_MAX];
qse_size_t n;
ucslen = 1;
bcslen = QSE_COUNTOF(bcsbuf);
if (qse_conv_uchars_to_bchars_with_cmgr(&json->state_stack->u.sv.acc, &ucslen, bcsbuf, &bcslen, qse_json_getcmgr(json)) <= -1)
n = json->cmgr->wctomb(json->state_stack->u.sv.acc, bcsbuf, QSE_COUNTOF(bcsbuf));
if (n == 0 || n > QSE_COUNTOF(bcsbuf))
{
/* illegal character or buffer to small */
qse_json_seterrfmt (json, QSE_JSON_EECERR, QSE_T("unable to convert %jc"), json->state_stack->u.sv.acc);
return -1;
}
else
{
qse_size_t i;
for (i = 0; i < bcslen; i++)
{
if (add_char_to_token(json, bcsbuf[i]) <= -1) return -1;
}
}
if (add_chars_to_token(json, bcsbuf, n) <= -1) return -1;
}
#else
if (add_char_to_token(json, json->state_stack->u.sv.acc) <= -1) return -1;
#endif
json->state_stack->u.sv.escaped = 0;
}
@ -689,7 +706,7 @@ static int handle_char_in_dic (qse_json_t* json, qse_cint_t c)
/* ========================================================================= */
static int handle_char (qse_json_t* json, qse_cint_t c, qse_size_t nbytes)
static int handle_char (qse_json_t* json, qse_cint_t c)
{
int x;
@ -762,41 +779,35 @@ static int feed_json_data (qse_json_t* json, const qse_mchar_t* data, qse_size_t
while (ptr < end)
{
qse_cint_t c;
qse_size_t bcslen;
#if defined(QSE_OOCH_IS_UCH)
qse_size_t ucslen;
#if defined(QSE_CHAR_IS_WCHAR)
qse_char_t uc;
int n;
qse_size_t bcslen;
qse_size_t n;
bcslen = end - ptr;
ucslen = 1;
n = qse_conv_bchars_to_uchars_with_cmgr(ptr, &bcslen, &uc, &ucslen, json->cmgr, 0);
if (n <= -1)
n = json->cmgr->mbtowc(ptr, bcslen, &uc);
if (n == 0)
{
if (n == -3)
{
/* incomplete sequence */
*xlen = ptr - data;
return 0; /* feed more for incomplete sequence */
}
/* advance 1 byte without proper conversion */
/* invalid sequence */
uc = *ptr;
bcslen = 1;
n = 1;
}
else if (n > bcslen)
{
/* incomplete sequence */
*xlen = bcslen; /* need at lease this much */
return 0; /* feed more for incomplete sequence */
}
ptr += bcslen;
ptr += n;
c = uc;
#else
bcslen = 1;
c = *ptr++;
#endif
/* handle a signle character */
if (handle_char(json, c, bcslen) <= -1) goto oops;
/* handle a single character */
if (handle_char(json, c) <= -1) goto oops;
}
*xlen = ptr - data;