annotate lib/ur/string.ur @ 1148:a48966743c37
AM_INIT_AUTOMAKE with no-define (to fix some NetBSD and OS X problems)
author |
Adam Chlipala <adamc@hcoop.net> |
date |
Sat, 06 Feb 2010 13:27:05 -0500 |
parents |
94e83c5533d2 |
children |
9df124fcab3d |
rev |
line source |
adamc@821
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1 type t = Basis.string
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adamc@821
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2
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adamc@1023
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3 val str = Basis.str1
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adamc@1023
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4
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adamc@828
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5 val length = Basis.strlen
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adamc@828
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6 val append = Basis.strcat
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adamc@828
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7
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adamc@821
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8 val sub = Basis.strsub
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adamc@821
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9 val suffix = Basis.strsuffix
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adamc@829
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10
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adamc@829
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11 val index = Basis.strindex
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adamc@829
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12 val atFirst = Basis.strchr
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adamc@829
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13
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adamc@831
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14 fun mindex {Haystack = s, Needle = chs} = Basis.strcspn s chs
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adamc@831
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15
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adamc@829
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16 fun substring s {Start = start, Len = len} = Basis.substring s start len
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adamc@829
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17
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adamc@829
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18 fun split s ch =
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adamc@829
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19 case index s ch of
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adamc@829
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20 None => None
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adamc@829
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21 | Some i => Some (substring s {Start = 0, Len = i},
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adamc@829
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22 substring s {Start = i + 1, Len = length s - i - 1})
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adamc@831
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23 fun msplit {Haystack = s, Needle = chs} =
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adamc@831
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24 case mindex {Haystack = s, Needle = chs} of
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adamc@831
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25 None => None
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adamc@831
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26 | Some i => Some (substring s {Start = 0, Len = i},
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adamc@831
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27 sub s i,
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adamc@831
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28 substring s {Start = i + 1, Len = length s - i - 1})
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adamc@1057
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29
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adamc@1057
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30 fun all f s =
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adamc@1057
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31 let
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adamc@1057
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32 val len = length s
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adamc@1057
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33
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adamc@1057
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34 fun al i =
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adamc@1057
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35 i >= len
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adamc@1057
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36 || (f (sub s i) && al (i + 1))
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adamc@1057
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37 in
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adamc@1057
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38 al 0
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adamc@1057
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39 end
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adamc@1122
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40
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adamc@1131
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41 fun mp f s =
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adamc@1131
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42 let
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adamc@1131
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43 fun mp' i acc =
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adamc@1131
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44 if i < 0 then
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adamc@1131
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45 acc
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adamc@1131
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46 else
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adamc@1131
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47 mp' (i - 1) (str (f (sub s i)) ^ acc)
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adamc@1131
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48 in
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adamc@1131
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49 mp' (length s - 1) ""
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adamc@1131
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50 end
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adamc@1131
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51
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adamc@1122
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52 fun newlines [ctx] [[Body] ~ ctx] s : xml ([Body] ++ ctx) [] [] =
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adamc@1122
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53 case split s #"\n" of
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adamc@1122
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54 None => cdata s
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adamc@1122
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55 | Some (s1, s2) => <xml>{[s1]}<br/>{newlines s2}</xml>
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