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optimized + fixed parsing in strbreak()

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This commit is contained in:
David Anderson 2006-02-01 12:10:26 +00:00
parent 314392bffe
commit eb010688af
1 changed files with 46 additions and 53 deletions
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99
amxmodx/string.cpp
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@ -678,73 +678,66 @@ static cell AMX_NATIVE_CALL amx_strtok(AMX *amx, cell *params)
//strbreak(String[], First[], FirstLen, Rest[], RestLen)
static cell AMX_NATIVE_CALL strbreak(AMX *amx, cell *params) /* 5 param */
{
bool quote_flag = false;
bool done_flag = false;
int left_pos = 0;
int right_pos = 0;
int l = 0;
unsigned int i = 0;
char hold = '"';
int _len;
bool in_quote = false;
bool had_quotes = false;
size_t i = 0;
size_t beg = 0;
char *string = get_amxstring(amx, params[1], 0, l);
char *left = new char[strlen(string) + 1];
char *right = new char[strlen(string) + 1];
char *string = get_amxstring(amx, params[1], 0, _len);
cell *left = get_amxaddr(amx, params[2]);
cell *right = get_amxaddr(amx, params[4]);
int LeftMax = params[3];
int RightMax = params[5];
for (i = 0; i < (unsigned int)l; i++)
size_t len = (size_t)_len;
while (isspace(string[i]) && i<len)
i++;
beg = i;
for (; i<len; i++)
{
if (string[i] == '"' && !quote_flag)
if (string[i] == '"' && !in_quote)
{
quote_flag = true;
}
else if (string[i] == '"' && quote_flag)
{
quote_flag = false;
}
if (isspace(string[i]) && !quote_flag && !done_flag)
{
done_flag = true;
i++;
}
if (!done_flag && string[i]!='"')
{
if (left_pos < LeftMax)
{
left[left_pos] = string[i];
if (left[left_pos] == '\'')
{
left[left_pos] = hold;
}
left_pos++;
} else {
done_flag = true;
}
in_quote = (had_quotes = true);
} else if (string[i] == '"' && in_quote) {
in_quote = false;
if (i == len-1)
goto do_copy;
} else {
if (right_pos < RightMax && string[i]!='"')
if (isspace(string[i]) && !in_quote)
{
right[right_pos] = string[i];
if (right[right_pos] == '\'')
do_copy:
size_t pos = i;
while (isspace(string[i]))
i++;
const char *start = had_quotes ? &(string[beg+1]) : &(string[beg]);
size_t _end = had_quotes ? (i==len-1 ? 1 : 2) : 0;
size_t end = (pos - _end > RightMax) ? RightMax : pos - _end;
size_t to_go = end-beg;
if (end && to_go)
{
right[right_pos] = hold;
while (to_go--)
*left++ = (cell)*start++;
}
right_pos++;
*left = '\0';
end = (len-i+1 > LeftMax) ? LeftMax : len-i+1;
if (end)
{
start = &(string[i]);
while (end--)
*right++ = (cell)*start++;
}
*right = '\0';
return 1;
}
}
}
left[left_pos] = '\0';
right[right_pos] = '\0';
set_amxstring(amx, params[2], left, params[3]);
set_amxstring(amx, params[4], right, params[5]);
delete [] left;
delete [] right;
//if we got here, there was nothing to break
set_amxstring(amx, params[2], &(string[beg]), params[3]);
if (RightMax)
*right = '\0';
return 1;
}