RosettaCodeData/Task/I-before-E-except-after-C/Phix/i-before-e-except-after-c.phix

(phixonline)-->
 <span style="color: #000080;font-style:italic;">-- demo\rosetta\IbeforeE.exw</span>
 <span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
 <span style="color: #008080;">procedure</span> <span style="color: #000000;">show_plausibility</span><span style="color: #0000FF;">(</span><span style="color: #004080;">string</span> <span style="color: #000000;">msg</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">integer</span> <span style="color: #000000;">w</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">wo</span><span style="color: #0000FF;">)</span>
     <span style="color: #004080;">string</span> <span style="color: #000000;">no</span> <span style="color: #0000FF;">=</span> <span style="color: #008080;">iff</span><span style="color: #0000FF;">(</span><span style="color: #000000;">w</span><span style="color: #0000FF;"><</span><span style="color: #000000;">2</span><span style="color: #0000FF;">*</span><span style="color: #000000;">wo</span><span style="color: #0000FF;">?</span><span style="color: #008000;">" not"</span><span style="color: #0000FF;">:</span><span style="color: #008000;">""</span><span style="color: #0000FF;">)</span>
     <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 (pro: %3d, anti: %3d) is%s plausible\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">msg</span><span style="color: #0000FF;">,</span><span style="color: #000000;">w</span><span style="color: #0000FF;">,</span><span style="color: #000000;">wo</span><span style="color: #0000FF;">,</span><span style="color: #000000;">no</span><span style="color: #0000FF;">})</span>
 <span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>

 <span style="color: #004080;">string</span> <span style="color: #000000;">text</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">join</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">unix_dict</span><span style="color: #0000FF;">())</span>
 <span style="color: #000080;font-style:italic;">-- Note: my unixdict.txt begins with "10th" and ends with "zygote", so
 -- boundary checks such as "i&gt;=2 and i+1&lt;=length(text)" can be skipped.</span>
 <span style="color: #004080;">integer</span> <span style="color: #000000;">cei</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">xei</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cie</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">xie</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span>
 <span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">text</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">do</span>
     <span style="color: #008080;">if</span> <span style="color: #000000;">text</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]=</span><span style="color: #008000;">'i'</span> <span style="color: #008080;">then</span>
         <span style="color: #008080;">if</span> <span style="color: #000000;">text</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: #008000;">'e'</span> <span style="color: #008080;">then</span>
             <span style="color: #008080;">if</span> <span style="color: #000000;">text</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">-</span><span style="color: #000000;">2</span><span style="color: #0000FF;">]=</span><span style="color: #008000;">'c'</span> <span style="color: #008080;">then</span>
                 <span style="color: #000000;">cei</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span>
             <span style="color: #008080;">else</span>
                 <span style="color: #000000;">xei</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span>
             <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
         <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
         <span style="color: #000080;font-style:italic;">-- (nb not elsif here; "eie" occurs twice)</span>
         <span style="color: #008080;">if</span> <span style="color: #000000;">text</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: #008000;">'e'</span> <span style="color: #008080;">then</span>
             <span style="color: #008080;">if</span> <span style="color: #000000;">text</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: #008000;">'c'</span> <span style="color: #008080;">then</span>
                 <span style="color: #000000;">cie</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span>
             <span style="color: #008080;">else</span>
                 <span style="color: #000000;">xie</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span>
             <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
         <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
     <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
 <span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
 <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;">"occurances: cie:%d, xie:%d, cei:%d, xei:%d\n"</span><span style="color: #0000FF;">,</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">cie</span><span style="color: #0000FF;">,</span><span style="color: #000000;">xie</span><span style="color: #0000FF;">,</span><span style="color: #000000;">cei</span><span style="color: #0000FF;">,</span><span style="color: #000000;">xei</span><span style="color: #0000FF;">})</span>
 <span style="color: #000000;">show_plausibility</span><span style="color: #0000FF;">(</span> <span style="color: #008000;">"i before e except after c"</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">xie</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cie</span> <span style="color: #0000FF;">);</span>
 <span style="color: #000000;">show_plausibility</span><span style="color: #0000FF;">(</span> <span style="color: #008000;">"e before i except after c"</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">xei</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cei</span> <span style="color: #0000FF;">);</span>
 <span style="color: #000000;">show_plausibility</span><span style="color: #0000FF;">(</span> <span style="color: #008000;">"i before e   when after c"</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cie</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cei</span> <span style="color: #0000FF;">);</span>
 <span style="color: #000000;">show_plausibility</span><span style="color: #0000FF;">(</span> <span style="color: #008000;">"e before i   when after c"</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cei</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cie</span> <span style="color: #0000FF;">);</span>
 <span style="color: #000000;">show_plausibility</span><span style="color: #0000FF;">(</span> <span style="color: #008000;">"i before e     in general"</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">xie</span> <span style="color: #0000FF;">+</span> <span style="color: #000000;">cie</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">xei</span> <span style="color: #0000FF;">+</span> <span style="color: #000000;">cei</span> <span style="color: #0000FF;">);</span>
 <span style="color: #000000;">show_plausibility</span><span style="color: #0000FF;">(</span> <span style="color: #008000;">"e before i     in general"</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">xei</span> <span style="color: #0000FF;">+</span> <span style="color: #000000;">cei</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">xie</span> <span style="color: #0000FF;">+</span> <span style="color: #000000;">cie</span> <span style="color: #0000FF;">)</span>
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