annotate framework/env/parse/currency.lua @ 53:a1c77838c2e5
Documentation for "attr", "a_attr" and "form_attr" arguments to function ui.link{...}
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jbe |
| date |
Fri Jun 10 15:32:29 2011 +0200 (2011-06-10) |
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9fdfb27f8e67 |
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1 local function extract_numbers(str)
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2 local result = {}
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3 for char in string.gmatch(str, "[0-9]") do
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4 result[#result+1] = char
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5 end
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6 return table.concat(result)
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7 end
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8
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9 function parse.currency(str, dest_type, options)
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10 local str = parse._pre_fold(str)
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11 local dest_type = dest_type or atom.number
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12 local options = options or {}
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13 local currency_decimal_point = locale.get("currency_decimal_point")
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14 local decimal_point = locale.get("decimal_point") or "."
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15 local pos1, pos2
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16 if currency_decimal_point then
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17 pos1, pos2 = string.find(str, currency_decimal_point, 1, true)
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18 end
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19 if not pos1 then
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20 pos1, pos2 = string.find(str, decimal_point, 1, true)
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21 end
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22 if pos1 then
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23 local p1 = extract_numbers(string.sub(str, 1, pos1 - 1))
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24 local p2 = extract_numbers(string.sub(str, pos2 + 1, #str))
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25 return parse.decimal(p1 .. decimal_point .. p2, dest_type, options)
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26 else
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27 return parse.decimal(extract_numbers(str), dest_type, options)
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28 end
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29 end
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