U_CAPI UChar* U_EXPORT2
u_strtok_r(UChar *src,
const UChar *delim,
UChar **saveState)
{
UChar *tokSource;
UChar *nextToken;
uint32_t nonDelimIdx;
/* If saveState is NULL, the user messed up. */
if (src != NULL) {
tokSource = src;
*saveState = src; /* Set to "src" in case there are no delimiters */
}
else if (*saveState) {
tokSource = *saveState;
}
else {
/* src == NULL && *saveState == NULL */
/* This shouldn't happen. We already finished tokenizing. */
return NULL;
}
/* Skip initial delimiters */
nonDelimIdx = u_strspn(tokSource, delim);
tokSource = &tokSource[nonDelimIdx];
if (*tokSource) {
nextToken = u_strpbrk(tokSource, delim);
if (nextToken != NULL) {
/* Create a token */
*(nextToken++) = 0;
*saveState = nextToken;
return tokSource;
}
else if (*saveState) {
/* Return the last token */
*saveState = NULL;
return tokSource;
}
}
else {
/* No tokens were found. Only delimiters were left. */
*saveState = NULL;
}
return NULL;
}
void Tag::parseNumeric() {
if (tag.size() >= 256) {
return;
}
UChar tkey[256];
UChar top[256];
UChar txval[256];
UChar spn[] = { '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 0 };
tkey[0] = 0;
top[0] = 0;
txval[0] = 0;
if (u_sscanf(tag.c_str(), "%*[<]%[^<>=:!]%[<>=:!]%[-MAXIN0-9]%*[>]", &tkey, &top, &txval) == 3 && top[0] && txval[0]) {
int32_t tval = 0;
int32_t r = u_strspn(txval, spn);
if (txval[0] == 'M' && txval[1] == 'A' && txval[2] == 'X' && txval[3] == 0) {
tval = std::numeric_limits<int32_t>::max();
}
else if (txval[0] == 'M' && txval[1] == 'I' && txval[2] == 'N' && txval[3] == 0) {
tval = std::numeric_limits<int32_t>::min();
}
else if (txval[r] || u_sscanf(txval, "%d", &tval) != 1) {
return;
}
if (top[0] == '<') {
comparison_op = OP_LESSTHAN;
}
else if (top[0] == '>') {
comparison_op = OP_GREATERTHAN;
}
else if (top[0] == '=' || top[0] == ':') {
comparison_op = OP_EQUALS;
}
else if (top[0] == '!') {
comparison_op = OP_NOTEQUALS;
}
if (top[1]) {
if (top[1] == '=' || top[1] == ':') {
if (comparison_op == OP_GREATERTHAN) {
comparison_op = OP_GREATEREQUALS;
}
else if (comparison_op == OP_LESSTHAN) {
comparison_op = OP_LESSEQUALS;
}
else if (comparison_op == OP_NOTEQUALS) {
comparison_op = OP_NOTEQUALS;
}
}
else if (top[1] == '>') {
if (comparison_op == OP_EQUALS) {
comparison_op = OP_GREATEREQUALS;
}
else if (comparison_op == OP_LESSTHAN) {
comparison_op = OP_NOTEQUALS;
}
}
else if (top[1] == '<') {
if (comparison_op == OP_EQUALS) {
comparison_op = OP_LESSEQUALS;
}
else if (comparison_op == OP_GREATERTHAN) {
comparison_op = OP_NOTEQUALS;
}
}
}
comparison_val = tval;
comparison_hash = hash_value(tkey);
type |= T_NUMERICAL;
}
}
