1 --[[--

2 result = -- encoded string

3 encode.html(

4 str -- original string

5 )

6

7 This function replaces the special characters '<', '>', '&' and '"' by their HTML entities '&lt;', '&rt;', '&amp;' and '&quot;'.

8

9 NOTE: ACCELERATED FUNCTION

10 Do not change unless also you also update webmcp_accelerator.c

11

12 --]]--

13

14 function encode.html(text)

15 -- TODO: perhaps filter evil control characters?

16 return (

17 string.gsub(

18 text, '[<>&"]',

19 function(char)

20 if char == '<' then

21 return "&lt;"

22 elseif char == '>' then

23 return "&gt;"

24 elseif char == '&' then

25 return "&amp;"

26 elseif char == '"' then

27 return "&quot;"

28 end

29 end

30 )

31 )

32 end