https://onto-wiki.eu/w/index.php?action=history&feed=atom&title=Module%3ALustache%2FScanner 2026-05-01T02:56:51Z Revision history for this page on the wiki MediaWiki 1.39.3 https://onto-wiki.eu/w/index.php?title=Module:Lustache/Scanner&diff=45&oldid=prev 2023-03-25T05:55:43Z

<p>Install package: OSW Core</p> <p><b>New page</b></p><div>local string_find, string_match, string_sub =<br /> string.find, string.match, string.sub<br /> <br /> local scanner = {}<br /> <br /> -- Returns `true` if the tail is empty (end of string).<br /> function scanner:eos()<br /> return self.tail == &quot;&quot;<br /> end<br /> <br /> -- Tries to match the given regular expression at the current position.<br /> -- Returns the matched text if it can match, `null` otherwise.<br /> function scanner:scan(pattern)<br /> local match = string_match(self.tail, pattern)<br /> <br /> if match and string_find(self.tail, pattern) == 1 then<br /> self.tail = string_sub(self.tail, #match + 1)<br /> self.pos = self.pos + #match<br /> <br /> return match<br /> end<br /> <br /> end<br /> <br /> -- Skips all text until the given regular expression can be matched. Returns<br /> -- the skipped string, which is the entire tail of this scanner if no match<br /> -- can be made.<br /> function scanner:scan_until(pattern)<br /> <br /> local match<br /> local pos = string_find(self.tail, pattern)<br /> <br /> if pos == nil then<br /> match = self.tail<br /> self.pos = self.pos + #self.tail<br /> self.tail = &quot;&quot;<br /> elseif pos == 1 then<br /> match = nil<br /> else<br /> match = string_sub(self.tail, 1, pos - 1)<br /> self.tail = string_sub(self.tail, pos)<br /> self.pos = self.pos + #match<br /> end<br /> <br /> return match<br /> end<br /> <br /> function scanner:new(str)<br /> local out = {<br /> str = str,<br /> tail = str,<br /> pos = 1<br /> }<br /> return setmetatable(out, { __index = self } )<br /> end<br /> <br /> return scanner</div>

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