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var Marker = require('../tokenizer/marker');
function split(value, separator) {
var openLevel = Marker.OPEN_ROUND_BRACKET;
var closeLevel = Marker.CLOSE_ROUND_BRACKET;
var level = 0;
var cursor = 0;
var lastStart = 0;
var lastValue;
var lastCharacter;
var len = value.length;
var parts = [];
if (value.indexOf(separator) == -1) {
return [value];
}
if (value.indexOf(openLevel) == -1) {
return value.split(separator);
}
while (cursor < len) {
if (value[cursor] == openLevel) {
level++;
} else if (value[cursor] == closeLevel) {
level--;
}
if (level === 0 && cursor > 0 && cursor + 1 < len && value[cursor] == separator) {
parts.push(value.substring(lastStart, cursor));
lastStart = cursor + 1;
}
cursor++;
}
if (lastStart < cursor + 1) {
lastValue = value.substring(lastStart);
lastCharacter = lastValue[lastValue.length - 1];
if (lastCharacter == separator) {
lastValue = lastValue.substring(0, lastValue.length - 1);
}
parts.push(lastValue);
}
return parts;
}
module.exports = split;