var filter = {
'title': [],
'size': {
'min': null,
'max': null
}
}
function escapeRegExp(string) {
return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
}
function size2Bytes(size) {
var m = (size + '').match(/([\d\.]+)\s*([tgmk])?b\b/i),
s = {'t': Math.pow(1024, 4), 'g': Math.pow(1024, 3), 'm': Math.pow(1024, 2), 'k': 1024, '': 1};
if (m)
return Math.ceil(m[1] * s[m[2].toLowerCase()]);
else
return null;
}
function parseTitle(title) {
var m = title.match(/^(.*?)([\d\.]+\s*[tgmk]?b\b)/i);
if (m)
return {'title': m[1], 'size': m[2]};
else
return {'title': title, 'size': null};
}
function filterMessage() {
var m = parseTitle(msg.title),
r = new RegExp(filter.title.map(function(el) { return escapeRegExp(el); }).join('.*'), 'i'),
s = size2Bytes(m.size);
if (r.test(m.title)) {
var passed = true;
if (filter.size.min != null) {
passed = s != null && s >= size2Bytes(filter.size.min);
}
if (filter.size.max != null && passed) {
passed = s != null && s <= size2Bytes(filter.size.max);
}
if (passed) {
msg.isImportant = true;
return MessageObject.Accept;
} else {
return MessageObject.Ignore;
}
} else {
return MessageObject.Ignore;
}
}
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