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<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../jacoco-resources/report.gif" type="image/gif"/><title>StringUtils.java</title><link rel="stylesheet" href="../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../index.html" class="el_report">everge</a> > <a href="index.source.html" class="el_package">bjc.everge</a> > <span class="el_source">StringUtils.java</span></div><h1>StringUtils.java</h1><pre class="source lang-java linenums">package bjc.everge;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
/**
* Utility methods for strings.
*
* @author Ben Culkin.
*/
<span class="nc" id="L14">public class StringUtils {</span>
<span class="fc" id="L15"> public static boolean isDebug = false;</span>
/**
* Split a string on every occurance of a string not preceeded by an escape.
*
* @param escape
* The escape that stops splitting.
* @param splat
* The string to split on. If this starts with the escape sequence, things will work
* poorly.
* @param inp
* The string to split.
* @return The string split as specified above.
*/
public static String[] escapeSplit(String escape, String splat, String inp) {
/*
* Special case some stuffs.
*/
<span class="pc bpc" id="L34" title="2 of 4 branches missed."> if (inp == null || inp.equals("")) {</span>
// No input
<span class="nc" id="L36"> return new String[] {inp};</span>
}
<span class="fc bfc" id="L39" title="All 2 branches covered."> if (!inp.contains(splat)) {</span>
// Input does not contain any delimiters
<span class="fc" id="L41"> return new String[] {inp};</span>
}
<span class="pc bpc" id="L44" title="1 of 4 branches missed."> if (escape == null || escape.equals("")) {</span>
// No escape, so we can just split normally
<span class="fc" id="L46"> return inp.split(Pattern.quote(splat));</span>
}
<span class="fc" id="L49"> List<String> ret = new ArrayList<>();</span>
<span class="fc" id="L51"> String wrk = inp;</span>
<span class="fc" id="L52"> int sidx = wrk.indexOf(splat);</span>
<span class="fc" id="L53"> int eidx = wrk.indexOf(escape);</span>
<span class="fc" id="L55"> boolean hadEscape = false;</span>
<span class="fc bfc" id="L57" title="All 4 branches covered."> while (sidx != -1 || eidx != -1) {</span>
<span class="fc bfc" id="L58" title="All 4 branches covered."> if (eidx > 0 && eidx < sidx) {</span>
<span class="pc bpc" id="L59" title="1 of 2 branches missed."> if (isDebug) System.err.printf("[TRACE] Considering escape\n");</span>
/*
* We potentially have an escaped sequence:
* - either an escaped split
* - or an escaped escape
*/
// Check for an escaped split
<span class="fc bfc" id="L67" title="All 2 branches covered."> if (wrk.regionMatches(eidx + escape.length(), splat, 0, splat.length())) {</span>
// Skip over it
<span class="fc" id="L69"> int ofst = eidx + splat.length();</span>
// Slice out the escape
{
<span class="fc" id="L73"> String s1 = wrk.substring(0, eidx);</span>
<span class="fc" id="L74"> String s2 = wrk.substring(eidx + escape.length());</span>
<span class="fc" id="L76"> String s3 = wrk.substring(eidx, eidx + escape.length());</span>
<span class="pc bpc" id="L78" title="1 of 2 branches missed."> if (isDebug) {</span>
<span class="nc" id="L79"> System.err.printf("[TRACE] Skip esc. split (%s)/(%s); (%s)\n",</span>
s1, s2, s3);
}
<span class="fc" id="L83"> wrk = s1 + s2;</span>
}
<span class="fc" id="L86"> sidx = wrk.indexOf(splat, ofst);</span>
<span class="fc" id="L87"> eidx = wrk.indexOf(escape, ofst);</span>
<span class="pc bpc" id="L89" title="1 of 2 branches missed."> if (isDebug) {</span>
<span class="nc" id="L90"> System.err.printf("[TRACE] After esc. split (%s) %d/%d\n",</span>
<span class="nc" id="L91"> wrk, sidx, eidx);</span>
}
<span class="fc" id="L94"> hadEscape = false;</span>
<span class="fc" id="L95"> continue;</span>
}
// Check for an escaped escape
<span class="pc bpc" id="L99" title="1 of 2 branches missed."> if (wrk.regionMatches(eidx + escape.length(), escape, 0, escape.length())) {</span>
// Skip over it
<span class="fc" id="L101"> int ofst = eidx + escape.length();</span>
// Slice out the escape
{
<span class="fc" id="L105"> String s1 = wrk.substring(0, eidx);</span>
<span class="fc" id="L106"> String s2 = wrk.substring(eidx + escape.length());</span>
<span class="fc" id="L108"> String s3 = wrk.substring(eidx, eidx + escape.length());</span>
<span class="pc bpc" id="L109" title="1 of 2 branches missed."> if (isDebug) {</span>
<span class="nc" id="L110"> System.err.printf("[TRACE] Skip esc. escape (%s)/(%s); (%s)\n",</span>
s1, s2, s3);
}
<span class="fc" id="L114"> wrk = s1 + s2;</span>
}
<span class="fc" id="L117"> sidx = wrk.indexOf(splat, ofst);</span>
<span class="fc" id="L118"> eidx = wrk.indexOf(escape, ofst);</span>
<span class="pc bpc" id="L120" title="1 of 2 branches missed."> if (isDebug) {</span>
<span class="nc" id="L121"> System.err.printf("[TRACE] After esc. escape (%s)/(%s) %d/%d\n",</span>
<span class="nc" id="L122"> wrk, wrk.substring(ofst), sidx, eidx);</span>
}
<span class="fc" id="L125"> hadEscape = true;</span>
<span class="fc" id="L126"> continue;</span>
}
}
<span class="fc" id="L130"> boolean hasEscape = false;</span>
{
<span class="fc" id="L133"> boolean tmp = wrk.regionMatches(sidx - escape.length(), escape, 0, escape.length());</span>
<span class="fc bfc" id="L135" title="All 2 branches covered."> hasEscape = hadEscape ? false : tmp;</span>
}
<span class="pc bpc" id="L138" title="1 of 4 branches missed."> while (sidx != -1 && hasEscape) {</span>
<span class="nc" id="L139"> int oidx = wrk.indexOf(splat, sidx + escape.length());</span>
<span class="nc bnc" id="L141" title="All 2 branches missed."> if (isDebug) {</span>
<span class="nc" id="L142"> String s1 = wrk.substring(0, sidx);</span>
<span class="nc" id="L143"> String s2 = wrk.substring(sidx, sidx + escape.length());</span>
<span class="nc" id="L144"> String s3 = wrk.substring(sidx + escape.length());</span>
}
<span class="nc bnc" id="L147" title="All 2 branches missed."> if (oidx == -1) break;</span>
{
<span class="nc" id="L150"> String s1 = wrk.substring(0, oidx);</span>
<span class="nc" id="L151"> String s2 = wrk.substring(oidx + escape.length());</span>
<span class="nc" id="L153"> wrk = s1 + s2;</span>
}
<span class="nc" id="L156"> sidx = oidx;</span>
<span class="nc" id="L158"> hasEscape = wrk.regionMatches(sidx - escape.length(), escape, 0, escape.length());</span>
<span class="nc" id="L159"> }</span>
<span class="fc bfc" id="L161" title="All 2 branches covered."> if (sidx == -1) {</span>
<span class="fc" id="L162"> break;</span>
}
<span class="fc" id="L165"> String tmp = wrk.substring(0, sidx);</span>
<span class="pc bpc" id="L167" title="1 of 2 branches missed."> if (isDebug) {</span>
<span class="nc" id="L168"> System.err.printf("[TRACE] Adding (%s) to returned splits; (%s)\n",</span>
<span class="nc" id="L169"> tmp, wrk.substring(sidx));</span>
}
<span class="fc" id="L172"> ret.add(tmp);</span>
<span class="pc bpc" id="L173" title="1 of 4 branches missed."> if (!tmp.equals("") && wrk.endsWith(tmp)) {</span>
<span class="nc" id="L174"> wrk = "";</span>
} else {
<span class="pc bpc" id="L176" title="1 of 2 branches missed."> if (wrk.indexOf(splat, sidx) != -1) {</span>
<span class="fc" id="L177"> wrk = wrk.substring(sidx + splat.length());</span>
} else {
<span class="nc" id="L179"> wrk = wrk.substring(sidx);</span>
}
}
<span class="fc" id="L183"> sidx = wrk.indexOf(splat);</span>
<span class="fc" id="L184"> eidx = wrk.indexOf(escape);</span>
<span class="fc" id="L186"> hadEscape = false;</span>
<span class="fc" id="L187"> }</span>
<span class="fc bfc" id="L189" title="All 2 branches covered."> if (!wrk.equals("")) ret.add(wrk);</span>
<span class="fc" id="L191"> return ret.toArray(new String[0]);</span>
}
}
</pre><div class="footer"><span class="right">Created with <a href="http://www.jacoco.org/jacoco">JaCoCo</a> 0.8.2.201808211720</span></div></body></html>
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