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jbe/bsw@0
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1 function param._get_parser(format_info, param_type)
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jbe/bsw@0
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2 if format_info == nil or format_info == "" then
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jbe/bsw@0
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3 return function(str)
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jbe/bsw@0
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4 return param_type:load(str)
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jbe/bsw@0
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5 end
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jbe/bsw@0
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6 else
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jbe/bsw@0
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7 local format_options = {}
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jbe/bsw@0
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8 local format_type, rest = string.match(
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jbe/bsw@0
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9 format_info,
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jbe/bsw@0
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10 "^([A-Za-z][A-Za-z0-9_]*)(.*)$"
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jbe/bsw@0
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11 )
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jbe/bsw@0
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12 if format_type then
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jbe/bsw@0
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13 rest = string.gsub(rest, "\\\\", "\\e")
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jbe/bsw@0
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14 rest = string.gsub(rest, "\\'", "\\q")
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jbe/bsw@0
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15 if
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jbe/bsw@0
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16 string.find(rest, "\\$") or
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jbe/bsw@0
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17 string.find(rest, "\\[^eq]")
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jbe/bsw@0
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18 then
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jbe/bsw@0
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19 format_type = nil
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jbe/bsw@0
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20 else
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jbe/bsw@0
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21 while rest ~= "" do
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jbe/bsw@0
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22 local key, value, new_rest
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jbe/bsw@0
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23 key, value, new_rest = string.match(
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jbe/bsw@0
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24 rest,
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jbe/bsw@0
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25 "^-([A-Za-z][A-Za-z0-9_]*)-'([^']*)'(.*)$"
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jbe/bsw@0
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26 )
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jbe/bsw@0
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27 if value then
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jbe/bsw@0
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28 value = string.gsub(value, "\\q", "'")
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jbe/bsw@0
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29 value = string.gsub(value, "\\e", "\\")
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jbe/bsw@0
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30 format_options[key] = value
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jbe/bsw@0
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31 else
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jbe/bsw@0
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32 key, value, new_rest = string.match(
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jbe/bsw@0
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33 rest,
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jbe/bsw@0
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34 "^-([A-Za-z][A-Za-z0-9_]*)-([^-]*)(.*)$"
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jbe/bsw@0
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35 )
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jbe/bsw@0
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36 if value then
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jbe/bsw@0
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37 if string.find(value, "^[0-9.Ee+-]+$") then
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jbe/bsw@0
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38 local num = tonumber(value)
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jbe/bsw@0
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39 if not num then
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jbe/bsw@0
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40 format_type = nil
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jbe/bsw@0
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41 break
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jbe/bsw@0
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42 end
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jbe/bsw@0
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43 format_options[key] = num
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jbe/bsw@0
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44 elseif value == "t" then
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jbe/bsw@0
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45 format_options[key] = true
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jbe/bsw@0
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46 elseif value == "f" then
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jbe/bsw@0
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47 format_options[key] = false
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jbe/bsw@0
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48 else
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jbe/bsw@0
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49 format_type = nil
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jbe/bsw@0
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50 break
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jbe/bsw@0
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51 end
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jbe/bsw@0
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52 else
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jbe/bsw@0
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53 format_type = nil
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jbe/bsw@0
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54 break
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jbe/bsw@0
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55 end
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jbe/bsw@0
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56 end
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jbe/bsw@0
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57 rest = new_rest
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jbe/bsw@0
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58 end
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jbe/bsw@0
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59 end
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jbe/bsw@0
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60 end
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jbe/bsw@0
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61 if not format_type then
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jbe/bsw@0
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62 error("Illegal format string in GET/POST parameters found.")
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jbe/bsw@0
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63 end
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jbe/bsw@0
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64 local parse_func = parse[format_type]
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jbe/bsw@0
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65 if not parse_func then
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jbe/bsw@0
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66 error("Unknown format identifier in GET/POST parameters encountered.")
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jbe/bsw@0
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67 end
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jbe/bsw@0
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68 return function(str)
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jbe/bsw@0
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69 return parse_func(str, param_type, format_options)
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jbe/bsw@0
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70 end
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jbe/bsw@0
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71 end
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jbe/bsw@0
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72 end
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