Mercurial > cgi-bin > hgweb.cgi > PassMan

annotate src/main/kotlin/name/blackcap/passman/See.kt @ 0:a6cfdffcaa94

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Initial commit, incomplete but it runs sorta.
author David Barts <n5jrn@me.com>
date Sun, 11 Sep 2022 16:11:37 -0700
parents
children eafa3779aef8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 package name.blackcap.passman
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2
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3 import java.util.Formatter
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4
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5 private val UNPRINTABLE = setOf<Character.UnicodeBlock>(
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6 Character.UnicodeBlock.COMBINING_DIACRITICAL_MARKS,
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7 Character.UnicodeBlock.COMBINING_DIACRITICAL_MARKS_EXTENDED,
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8 Character.UnicodeBlock.COMBINING_HALF_MARKS,
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9 Character.UnicodeBlock.COMBINING_DIACRITICAL_MARKS_SUPPLEMENT,
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10 Character.UnicodeBlock.COMBINING_MARKS_FOR_SYMBOLS,
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11 Character.UnicodeBlock.HIGH_PRIVATE_USE_SURROGATES,
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12 Character.UnicodeBlock.HIGH_SURROGATES,
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13 Character.UnicodeBlock.LOW_SURROGATES,
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14 Character.UnicodeBlock.PRIVATE_USE_AREA,
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15 Character.UnicodeBlock.SPECIALS,
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16
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17 )
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18
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19 private val DELIM = '"'
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20
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21 private val EXEMPT = setOf<Char>(' ')
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22 private val PREFIXED = setOf<Char>(DELIM, '\\')
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23
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24 fun see(input: String): String {
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25 val accum = StringBuilder()
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26 val formatter = Formatter(accum)
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27 accum.append(DELIM)
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28 for (ch in input) {
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29 val block = Character.UnicodeBlock.of(ch)
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30 if (ch in EXEMPT) {
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31 accum.append(ch)
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32 } else if (block == null || block in UNPRINTABLE || Character.isSpaceChar(ch) || Character.isWhitespace(ch)) {
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33 formatter.format("\\u%04x", ch.code)
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34 } else if (ch in PREFIXED) {
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35 accum.append('\\')
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36 accum.append(ch)
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37 } else {
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38 accum.append(ch)
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39 }
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40 }
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41 accum.append(DELIM)
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42 return accum.toString()
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43 }
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44
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45 fun dump(input: String): String {
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46 val accum = StringBuilder()
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47 var needSpace = false
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48 for (ch in input) {
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49 if (needSpace) {
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50 accum.append(' ')
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51 }
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52 accum.append(ch.code)
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53 needSpace = true
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54 }
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55 return accum.toString()
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56 }