static pANTLR3_UINT8
insert8 (pANTLR3_STRING string, ANTLR3_UINT32 point, const char * newbit)
{
ANTLR3_UINT32 len;
if (point >= string->len)
{
return string->append(string, newbit);
}
len = (ANTLR3_UINT32)strlen(newbit);
if (len == 0)
{
return string->chars;
}
if (string->size < (string->len + len + 1))
{
string->chars = (pANTLR3_UINT8) ANTLR3_REALLOC((void *)string->chars, (ANTLR3_UINT32)(string->len + len + 1));
string->size = string->len + len + 1;
}
/* Move the characters we are inserting before, including the delimiter
*/
ANTLR3_MEMMOVE((void *)(string->chars + point + len), (void *)(string->chars + point), (ANTLR3_UINT32)(string->len - point + 1));
/* Note we copy the exact number of bytes
*/
ANTLR3_MEMMOVE((void *)(string->chars + point), newbit, (ANTLR3_UINT32)(len));
string->len += len;
return string->chars;
}
static pANTLR3_UINT8 appendS (pANTLR3_STRING string, pANTLR3_STRING newbit)
{
/* We may be passed an empty string, in which case we just return the current pointer
*/
if (newbit == NULL || newbit->len == 0 || newbit->size == 0 || newbit->chars == NULL)
{
return string->chars;
}
else
{
return string->append(string, (const char *)(newbit->chars));
}
}
static pANTLR3_UINT8
insertUTF16_UTF16 (pANTLR3_STRING string, ANTLR3_UINT32 point, const char * newbit)
{
ANTLR3_UINT32 len;
pANTLR3_UINT16 in;
if (point >= string->len)
{
return string->append(string, newbit);
}
/** First, determine the length of the input string
*/
in = (pANTLR3_UINT16)newbit;
len = 0;
while (*in++ != '\0')
{
len++;
}
if (len == 0)
{
return string->chars;
}
if (string->size < (string->len + len + 1))
{
string->chars = (pANTLR3_UINT8) ANTLR3_REALLOC((void *)string->chars, (ANTLR3_UINT32)(sizeof(ANTLR3_UINT16)*(string->len + len + 1)));
string->size = string->len + len + 1;
}
/* Move the characters we are inserting before, including the delimiter
*/
ANTLR3_MEMMOVE((void *)(((pANTLR3_UINT16)string->chars) + point + len), (void *)(((pANTLR3_UINT16)string->chars) + point), (ANTLR3_UINT32)(sizeof(ANTLR3_UINT16)*(string->len - point + 1)));
/* Note we copy the exact number of characters
*/
ANTLR3_MEMMOVE((void *)(((pANTLR3_UINT16)string->chars) + point), newbit, (ANTLR3_UINT32)(sizeof(ANTLR3_UINT16)*(len)));
string->len += len;
return string->chars;
}