Range extraction: Difference between revisions
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m (→{{header|Phix}}: syntax coloured, made p2js compatible) |
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=={{header|Phix}}== |
=={{header|Phix}}== |
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<!--<lang Phix>(phixonline)--> |
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<lang Phix>function spout(integer first, integer this, sequence s) |
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<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span> |
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string res |
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<span style="color: #008080;">function</span> <span style="color: #000000;">spout</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000000;">first</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">curr</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">sequence</span> <span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> |
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if first=this-1 then |
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<span style="color: #004080;">string</span> <span style="color: #000000;">res</span> |
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res = sprintf("%d",s[first]) |
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<span style="color: #008080;">if</span> <span style="color: #000000;">first</span><span style="color: #0000FF;">=</span><span style="color: #000000;">curr</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span> <span style="color: #008080;">then</span> |
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else |
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<span style="color: #000000;">res</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"%d"</span><span style="color: #0000FF;">,</span><span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">first</span><span style="color: #0000FF;">])</span> |
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res = sprintf("%d%s%d",{s[first],iff(first=this-2?',':'-'),s[this-1]}) |
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<span style="color: #008080;">else</span> |
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end if |
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<span style="color: #004080;">integer</span> <span style="color: #000000;">sep</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">first</span><span style="color: #0000FF;">=</span><span style="color: #000000;">curr</span><span style="color: #0000FF;">-</span><span style="color: #000000;">2</span><span style="color: #0000FF;">?</span><span style="color: #008000;">','</span><span style="color: #0000FF;">:</span><span style="color: #008000;">'-'</span><span style="color: #0000FF;">)</span> |
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return res |
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<span style="color: #000000;">res</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">sprintf</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"%d%s%d"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">first</span><span style="color: #0000FF;">],</span><span style="color: #000000;">sep</span><span style="color: #0000FF;">,</span><span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">curr</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]})</span> |
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end function |
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
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<span style="color: #008080;">return</span> <span style="color: #000000;">res</span> |
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function extract_ranges(sequence s) |
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<span style="color: #008080;">end</span> <span style="color: #008080;">function</span> |
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integer first = 1 |
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string out = "" |
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<span style="color: #008080;">function</span> <span style="color: #000000;">extract_ranges</span><span style="color: #0000FF;">(</span><span style="color: #004080;">sequence</span> <span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> |
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if length(s)!=0 then |
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<span style="color: #004080;">integer</span> <span style="color: #000000;">first</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">1</span> |
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for i=2 to length(s) do |
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<span style="color: #004080;">string</span> <span style="color: #000000;">out</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">""</span> |
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if s[i]!=s[i-1]+1 then |
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<span style="color: #008080;">if</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)!=</span><span style="color: #000000;">0</span> <span style="color: #008080;">then</span> |
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out &= spout(first,i,s)&',' |
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<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">2</span> <span style="color: #008080;">to</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">do</span> |
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first = i |
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<span style="color: #008080;">if</span> <span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]!=</span><span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]+</span><span style="color: #000000;">1</span> <span style="color: #008080;">then</span> |
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end if |
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<span style="color: #000000;">out</span> <span style="color: #0000FF;">&=</span> <span style="color: #000000;">spout</span><span style="color: #0000FF;">(</span><span style="color: #000000;">first</span><span style="color: #0000FF;">,</span><span style="color: #000000;">i</span><span style="color: #0000FF;">,</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)&</span><span style="color: #008000;">','</span> |
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end for |
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<span style="color: #000000;">first</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">i</span> |
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out &= spout(first,length(s)+1,s) |
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
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end if |
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<span style="color: #008080;">end</span> <span style="color: #008080;">for</span> |
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return out |
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<span style="color: #000000;">out</span> <span style="color: #0000FF;">&=</span> <span style="color: #000000;">spout</span><span style="color: #0000FF;">(</span><span style="color: #000000;">first</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> |
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end function |
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
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<span style="color: #008080;">return</span> <span style="color: #000000;">out</span> |
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puts(1,extract_ranges({0,1,2,4,6,7,8,11,12,14,15,16,17,18,19,20,21,22,23,24,25,27,28,29,30,31,32,33,35,36,37,38,39}))</lang> |
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<span style="color: #008080;">end</span> <span style="color: #008080;">function</span> |
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<span style="color: #008080;">constant</span> <span style="color: #000000;">r</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,</span><span style="color: #000000;">4</span><span style="color: #0000FF;">,</span><span style="color: #000000;">6</span><span style="color: #0000FF;">,</span><span style="color: #000000;">7</span><span style="color: #0000FF;">,</span><span style="color: #000000;">8</span><span style="color: #0000FF;">,</span> |
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<span style="color: #000000;">11</span><span style="color: #0000FF;">,</span><span style="color: #000000;">12</span><span style="color: #0000FF;">,</span><span style="color: #000000;">14</span><span style="color: #0000FF;">,</span><span style="color: #000000;">15</span><span style="color: #0000FF;">,</span><span style="color: #000000;">16</span><span style="color: #0000FF;">,</span><span style="color: #000000;">17</span><span style="color: #0000FF;">,</span><span style="color: #000000;">18</span><span style="color: #0000FF;">,</span><span style="color: #000000;">19</span><span style="color: #0000FF;">,</span> |
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<span style="color: #000000;">20</span><span style="color: #0000FF;">,</span><span style="color: #000000;">21</span><span style="color: #0000FF;">,</span><span style="color: #000000;">22</span><span style="color: #0000FF;">,</span><span style="color: #000000;">23</span><span style="color: #0000FF;">,</span><span style="color: #000000;">24</span><span style="color: #0000FF;">,</span><span style="color: #000000;">25</span><span style="color: #0000FF;">,</span><span style="color: #000000;">27</span><span style="color: #0000FF;">,</span><span style="color: #000000;">28</span><span style="color: #0000FF;">,</span><span style="color: #000000;">29</span><span style="color: #0000FF;">,</span> |
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<span style="color: #000000;">30</span><span style="color: #0000FF;">,</span><span style="color: #000000;">31</span><span style="color: #0000FF;">,</span><span style="color: #000000;">32</span><span style="color: #0000FF;">,</span><span style="color: #000000;">33</span><span style="color: #0000FF;">,</span><span style="color: #000000;">35</span><span style="color: #0000FF;">,</span><span style="color: #000000;">36</span><span style="color: #0000FF;">,</span><span style="color: #000000;">37</span><span style="color: #0000FF;">,</span><span style="color: #000000;">38</span><span style="color: #0000FF;">,</span><span style="color: #000000;">39</span><span style="color: #0000FF;">}</span> |
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<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"%s\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">extract_ranges</span><span style="color: #0000FF;">(</span><span style="color: #000000;">r</span><span style="color: #0000FF;">)})</span> |
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<!--</lang>--> |
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{{out}} |
{{out}} |
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<pre> |
<pre> |
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