webmcp: d76a8857ba62 framework/env/parse/boolean.lua

webmcp

view framework/env/parse/boolean.lua @ 11:d76a8857ba62

Added ui.partial and other functions, which allow partial content replacement using XMLHttpRequests; Image support for ui.link

Also includes following changes:
- Fix for rocketcgi library to accept POST data content-types, which contain additional charset information.
- Support arrays passed as params to encode.url (only for keys ending with "[]")
- Version information changed to "1.0.7"

Documentation for added functions is not yet complete.

author	jbe/bsw
date	Fri Feb 12 18:40:22 2010 +0100 (2010-02-12)
parents	9fdfb27f8e67
children

line source

1 function parse.boolean(str, dest_type, options)

2 if dest_type ~= atom.boolean then

3 error("parse.boolean(...) can only return booleans, but a different destination type than atom.boolean was given.")

4 end

5 local options = options or {}

6 local trimmed_str = string.match(str or "", "^%s*(.-)%s*$")

7 if options.true_as or options.false_as or options.nil_as then

8 if trimmed_str == options.true_as then

9 return true

10 elseif trimmed_str == options.false_as then

11 return false

12 elseif trimmed_str == options.nil_as or trimmed_str == "" then

13 return nil

14 else

15 error("Boolean value not recognized.")

16 end

17 else

18 local char = string.upper(string.sub(trimmed_str, 1, 1))

19 if char == "1" or char == "T" or char == "Y" then

20 return true

21 elseif char == "0" or char == "F" or char == "N" then

22 return false

23 elseif char == "" then

24 return nil

25 else

26 error("Boolean value not recognized.")

27 end

28 end

29 end