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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>Everge.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">Everge.java</span></div><h1>Everge.java</h1><pre class="source lang-java linenums">package bjc.everge;
import java.io.*;
import java.nio.charset.*;
import java.nio.file.*;
import java.util.*;
import java.util.concurrent.locks.*;
import java.util.regex.*;
/**
* Everge front-end application.
*
* @author Ben Culkin
*/
<span class="fc" id="L15">public class Everge {</span>
/**
* Details how we handle our input.
*/
<span class="fc" id="L19"> public static enum InputStatus {</span>
/**
* Process the input as a single string.
*/
<span class="fc" id="L23"> ALL,</span>
/**
* Process the input line-by-line.
*/
<span class="fc" id="L27"> LINE,</span>
/**
* Process the input, splitting it around occurances of a regex.
*/
<span class="fc" id="L31"> REGEX;</span>
}
// Options for doing repl-pairs
<span class="fc" id="L35"> private ReplOpts ropts = new ReplOpts();</span>
// Pair repository
<span class="fc" id="L38"> private ReplSet replSet = new ReplSet();</span>
// Input status
<span class="fc" id="L41"> private InputStatus inputStat = InputStatus.ALL;</span>
// Are we processing CLI args? (haven't seen a -- yet)
<span class="fc" id="L44"> private boolean doingArgs = true;</span>
// Should an NL be printed after each replace?
<span class="fc" id="L47"> private boolean printNL = true;</span>
// Verbosity level
private int verbosity;
// The pattern to use for REGEX input mode
private String pattern;
// The queue of arguments to process
<span class="fc" id="L56"> private Deque<String> argQue = new LinkedList<>();</span>
// Used to prevent inter-mixing argument alterations with input processing.
<span class="fc" id="L59"> private ReadWriteLock argLock = new ReentrantReadWriteLock();</span>
// Input/output streams
/**
* Stream to use for normal output.
*/
<span class="fc" id="L65"> private PrintStream outStream = System.out;</span>
/**
* Stream to use for error output.
*/
<span class="fc" id="L69"> private LogStream errStream = new LogStream(System.err);</span>
/**
* Set the output stream.
*
* @param out
* The output stream..
*/
public void setOutput(PrintStream out) {
<span class="nc" id="L78"> outStream = out;</span>
<span class="nc" id="L79"> }</span>
/**
* Set the output stream.
*
* @param out
* The output stream..
*/
public void setOutput(OutputStream out) {
<span class="fc" id="L88"> outStream = new PrintStream(out);</span>
<span class="fc" id="L89"> }</span>
/**
* Set the error stream.
*
* @param err
* The error stream.
*/
public void setError(PrintStream err) {
<span class="nc" id="L98"> errStream = new LogStream(err);</span>
<span class="nc" id="L99"> }</span>
/**
* Set the error stream.
*
* @param err
* The error stream.
*/
public void setError(OutputStream err) {
<span class="fc" id="L108"> errStream = new LogStream(new PrintStream(err));</span>
<span class="fc" id="L109"> }</span>
/**
* Main method for front end,
*
* @param args
* The CLI arguments.
*/
public static void main(String[] args) {
<span class="nc" id="L118"> Everge evg = new Everge();</span>
<span class="nc" id="L120"> evg.processArgs(args);</span>
<span class="nc" id="L121"> }</span>
/**
* Process one or more command line arguments.
*
* @param args
* The arguments to process.
* @return Whether we processed succesfully or not.
*/
public boolean processArgs(String... args) {
<span class="fc" id="L131"> List<String> errs = new ArrayList<>();</span>
<span class="fc" id="L133"> boolean stat = processArgs(errs, args);</span>
<span class="pc bpc" id="L134" title="1 of 2 branches missed."> if (verbosity >= 2) {</span>
<span class="pc bpc" id="L135" title="1 of 2 branches missed."> String argString = args.length > 0 ? "arguments" : "argument";</span>
<span class="fc" id="L137"> errStream.infof("[INFO] Processed %d %s\n", args.length, argString);</span>
<span class="fc" id="L138"> int argc = 0;</span>
<span class="pc bpc" id="L139" title="1 of 2 branches missed."> if (verbosity >= 3) {</span>
<span class="fc" id="L140"> String arg = args[argc++];</span>
<span class="fc" id="L141"> errStream.tracef("[TRACE]\tArg %d: '%s\n", argc, arg);</span>
}
}
<span class="pc bpc" id="L145" title="1 of 2 branches missed."> if (!stat) {</span>
<span class="nc bnc" id="L146" title="All 2 branches missed."> for (String err : errs) {</span>
<span class="nc" id="L147"> errStream.errorf("%s\n", err);</span>
<span class="nc" id="L148"> }</span>
}
<span class="fc" id="L151"> return stat;</span>
}
/**
* Process one or more command line arguments.
*
* @param args
* The arguments to process.
* @param errs
* The list to stash errors in.
* @return Whether we processed succesfully or not.
*/
public boolean processArgs(List<String> errs, String... args) {
<span class="fc" id="L164"> argLock.writeLock().lock();</span>
<span class="fc" id="L166"> boolean retStat = true;</span>
try {
<span class="fc" id="L169"> loadQueue(args);</span>
// Process CLI args
<span class="fc bfc" id="L172" title="All 2 branches covered."> while (argQue.size() > 0) {</span>
<span class="fc" id="L173"> String arg = argQue.pop();</span>
<span class="fc" id="L175"> retStat = processArg(errs, retStat, arg);</span>
<span class="fc" id="L176"> }</span>
} finally {
<span class="fc" id="L178"> argLock.writeLock().unlock();</span>
}
<span class="fc" id="L181"> return retStat;</span>
}
private boolean processArg(List<String> errs, boolean retStat, String arg) {
<span class="fc" id="L185"> boolean newRet = retStat;</span>
<span class="pc bpc" id="L187" title="1 of 2 branches missed."> if (arg.equals("--")) {</span>
<span class="nc" id="L188"> doingArgs = false;</span>
<span class="nc" id="L189"> return newRet;</span>
}
// Process an argument
<span class="pc bpc" id="L193" title="1 of 4 branches missed."> if (doingArgs && arg.startsWith("-")) {</span>
<span class="fc" id="L194"> String argName = arg;</span>
<span class="fc" id="L195"> String argBody = "";</span>
// Process arguments to arguments
<span class="fc" id="L198"> int idx = arg.indexOf("=");</span>
<span class="pc bpc" id="L199" title="1 of 2 branches missed."> if (idx != -1) {</span>
<span class="nc" id="L200"> argName = arg.substring(0, idx);</span>
<span class="nc" id="L201"> argBody = arg.substring(idx + 1);</span>
}
<span class="pc bpc" id="L204" title="11 of 15 branches missed."> switch (argName) {</span>
case "-n":
case "--newline":
<span class="nc" id="L207"> printNL = true;</span>
<span class="nc" id="L208"> break;</span>
case "-N":
case "--no-newline":
<span class="nc" id="L211"> printNL = false;</span>
<span class="nc" id="L212"> break;</span>
case "-v":
case "--verbose":
<span class="fc" id="L215"> verbosity += 1;</span>
<span class="fc" id="L216"> errStream.louder();</span>
<span class="fc" id="L217"> System.err.printf("[TRACE] Incremented verbosity\n");</span>
<span class="fc" id="L218"> break;</span>
case "-q":
case "--quiet":
<span class="nc" id="L221"> verbosity -= 1;</span>
<span class="nc" id="L222"> errStream.quieter();</span>
<span class="nc" id="L223"> System.err.printf("[TRACE] Decremented verbosity\n");</span>
<span class="nc" id="L224"> break;</span>
case "--verbosity":
<span class="pc bpc" id="L226" title="1 of 2 branches missed."> if (argQue.size() < 1) {</span>
<span class="nc" id="L227"> errs.add("[ERROR] No parameter to --verbosity");</span>
<span class="nc" id="L228"> newRet = false;</span>
<span class="nc" id="L229"> break;</span>
}
<span class="fc" id="L231"> argBody = argQue.pop();</span>
case "-V":
try {
<span class="fc" id="L234"> verbosity = Integer.parseInt(argBody);</span>
<span class="fc" id="L235"> errStream.verbosity(verbosity);</span>
<span class="fc" id="L236"> System.err.printf("[TRACE] Set verbosity to %d\n", verbosity);</span>
<span class="nc" id="L237"> } catch (NumberFormatException nfex) {</span>
<span class="nc" id="L238"> String msg = String.format(</span>
"[ERROR] Invalid verbosity: '%s' is not an integer", argBody);
<span class="nc" id="L240"> errs.add(msg);</span>
<span class="nc" id="L241"> newRet = false;</span>
<span class="fc" id="L242"> }</span>
<span class="nc" id="L243"> break;</span>
case "--pattern":
<span class="nc bnc" id="L245" title="All 2 branches missed."> if (argQue.size() < 1) {</span>
<span class="nc" id="L246"> errs.add("[ERROR] No parameter to --pattern");</span>
<span class="nc" id="L247"> newRet = false;</span>
<span class="nc" id="L248"> break;</span>
}
<span class="nc" id="L250"> argBody = argQue.pop();</span>
case "-p":
try {
<span class="nc" id="L253"> pattern = argBody;</span>
<span class="nc" id="L255"> Pattern.compile(argBody);</span>
<span class="nc" id="L256"> } catch (PatternSyntaxException psex) {</span>
<span class="nc" id="L257"> String msg = String.format("[ERROR] Pattern '%s' is invalid: %s",</span>
<span class="nc" id="L258"> pattern, psex.getMessage());</span>
<span class="nc" id="L259"> errs.add(msg);</span>
<span class="nc" id="L260"> newRet = false;</span>
<span class="nc" id="L261"> }</span>
<span class="nc" id="L262"> break;</span>
case "--file":
<span class="pc bpc" id="L264" title="1 of 2 branches missed."> if (argQue.size() < 1) {</span>
<span class="nc" id="L265"> errs.add("[ERROR] No argument to --file");</span>
<span class="nc" id="L266"> newRet = false;</span>
<span class="nc" id="L267"> break;</span>
}
<span class="fc" id="L269"> argBody = argQue.pop();</span>
case "-f":
<span class="fc" id="L271"> try (FileInputStream fis = new FileInputStream(argBody);</span>
<span class="fc" id="L272"> Scanner scn = new Scanner(fis)) {</span>
<span class="fc" id="L273"> List<ReplError> ferrs = new ArrayList<>();</span>
<span class="fc" id="L275"> List<ReplPair> lrp = new ArrayList<>();</span>
<span class="fc" id="L276"> lrp = ReplPair.readList(lrp, scn, ferrs, ropts);</span>
<span class="pc bpc" id="L278" title="1 of 2 branches missed."> if (ferrs.size() > 0) {</span>
<span class="nc" id="L279"> StringBuilder sb = new StringBuilder();</span>
<span class="nc" id="L281"> String errString = "an error";</span>
<span class="nc bnc" id="L282" title="All 2 branches missed."> if (ferrs.size() > 1)</span>
<span class="nc" id="L283"> errString = String.format("%d errors", ferrs.size());</span>
{
<span class="nc" id="L286"> String msg = String.format(</span>
"[ERROR] Encountered %s parsing data file'%s'\n",
errString, argBody);
<span class="nc" id="L289"> sb.append(msg);</span>
}
<span class="nc bnc" id="L292" title="All 2 branches missed."> for (ReplError err : ferrs) {</span>
<span class="nc" id="L293"> sb.append(String.format("\t%s\n", err));</span>
<span class="nc" id="L294"> }</span>
<span class="nc" id="L296"> errs.add(sb.toString());</span>
<span class="nc" id="L297"> newRet = false;</span>
}
<span class="fc" id="L300"> replSet.addPairs(lrp);</span>
<span class="nc" id="L301"> } catch (FileNotFoundException fnfex) {</span>
<span class="nc" id="L302"> String msg = String.format(</span>
"[ERROR] Could not open data file '%s' for input", argBody);
<span class="nc" id="L304"> errs.add(msg);</span>
<span class="nc" id="L305"> newRet = false;</span>
<span class="nc" id="L306"> } catch (IOException ioex) {</span>
<span class="nc" id="L307"> String msg = String.format(</span>
"[ERROR] Unknown I/O error reading data file '%s': %s",
<span class="nc" id="L309"> argBody, ioex.getMessage());</span>
<span class="nc" id="L310"> errs.add(msg);</span>
<span class="nc" id="L311"> newRet = false;</span>
<span class="pc" id="L312"> }</span>
<span class="nc" id="L313"> break;</span>
case "--arg-file":
<span class="nc bnc" id="L315" title="All 2 branches missed."> if (argQue.size() < 1) {</span>
<span class="nc" id="L316"> errs.add("[ERROR] No argument to --arg-file");</span>
<span class="nc" id="L317"> break;</span>
}
<span class="nc" id="L319"> argBody = argQue.pop();</span>
case "-F":
<span class="nc" id="L321"> try (FileInputStream fis = new FileInputStream(argBody);</span>
<span class="nc" id="L322"> Scanner scn = new Scanner(fis)) {</span>
<span class="nc" id="L323"> List<String> sl = new ArrayList<>();</span>
<span class="nc bnc" id="L325" title="All 2 branches missed."> while (scn.hasNextLine()) {</span>
<span class="nc" id="L326"> String ln = scn.nextLine().trim();</span>
<span class="nc bnc" id="L328" title="All 2 branches missed."> if (ln.equals(""))</span>
<span class="nc" id="L329"> continue;</span>
<span class="nc bnc" id="L330" title="All 2 branches missed."> if (ln.startsWith("#"))</span>
<span class="nc" id="L331"> continue;</span>
<span class="nc" id="L333"> sl.add(ln);</span>
<span class="nc" id="L334"> }</span>
<span class="nc" id="L336"> processArgs(sl.toArray(new String[0]));</span>
<span class="nc" id="L337"> } catch (FileNotFoundException fnfex) {</span>
<span class="nc" id="L338"> String msg = String.format(</span>
"[ERROR] Could not open argument file '%s' for input",
argBody);
<span class="nc" id="L341"> errs.add(msg);</span>
<span class="nc" id="L342"> newRet = false;</span>
<span class="nc" id="L343"> } catch (IOException ioex) {</span>
<span class="nc" id="L344"> String msg = String.format(</span>
"[ERROR] Unknown I/O error reading input file '%s': %s",
<span class="nc" id="L346"> argBody, ioex.getMessage());</span>
<span class="nc" id="L347"> errs.add(msg);</span>
<span class="nc" id="L348"> newRet = false;</span>
<span class="nc" id="L349"> }</span>
<span class="nc" id="L350"> break;</span>
case "--input-status":
<span class="pc bpc" id="L352" title="1 of 2 branches missed."> if (argQue.size() < 1) {</span>
<span class="nc" id="L353"> errs.add("[ERROR] No argument to --input-status");</span>
<span class="nc" id="L354"> break;</span>
}
<span class="fc" id="L356"> argBody = argQue.pop();</span>
case "-I":
try {
<span class="fc" id="L359"> inputStat = InputStatus.valueOf(argBody.toUpperCase());</span>
<span class="nc" id="L360"> } catch (IllegalArgumentException iaex) {</span>
<span class="nc" id="L361"> String msg = String.format("[ERROR] '%s' is not a valid input status",</span>
argBody);
<span class="nc" id="L363"> errs.add(msg);</span>
<span class="fc" id="L364"> }</span>
<span class="nc" id="L365"> break;</span>
default: {
<span class="nc" id="L367"> String msg = String</span>
<span class="nc" id="L368"> .format("[ERROR] Unrecognised CLI argument name '%s'\n", argName);</span>
<span class="nc" id="L369"> errs.add(msg);</span>
<span class="nc" id="L370"> newRet = false;</span>
}
}
<span class="fc" id="L373"> } else {</span>
<span class="fc" id="L374"> String tmp = arg;</span>
// Strip off an escaped initial dash
<span class="pc bpc" id="L376" title="1 of 2 branches missed."> if (tmp.startsWith("\\-"))</span>
<span class="nc" id="L377"> tmp = tmp.substring(1);</span>
<span class="fc" id="L379"> processInputFile(tmp);</span>
}
<span class="fc" id="L382"> return newRet;</span>
}
/**
* Process a input file.
*
* @param fle
* Input file to process.
* @return Whether we processed succesfully or not.
*/
public boolean processInputFile(String fle) {
<span class="fc" id="L393"> List<String> errs = new ArrayList<>();</span>
<span class="fc" id="L395"> boolean stat = processInputFile(errs, fle);</span>
<span class="pc bpc" id="L396" title="1 of 2 branches missed."> if (!stat) {</span>
<span class="nc bnc" id="L397" title="All 2 branches missed."> for (String err : errs) {</span>
<span class="nc" id="L398"> errStream.errorf("%s\n", err);</span>
<span class="nc" id="L399"> }</span>
}
<span class="fc" id="L402"> return stat;</span>
}
/**
* Process a input file.
*
* @param fle
* Input file to process.
* @param errs
* List to accumulate errors in.
* @return Whether we processed succesfully or not.
*/
public boolean processInputFile(List<String> errs, String fle) {
<span class="fc" id="L415"> argLock.readLock().lock();</span>
// Read in and do replacements on a file
try {
<span class="pc bpc" id="L419" title="1 of 2 branches missed."> if (verbosity > 2) {</span>
<span class="fc" id="L420"> errStream.printf("[TRACE] Reading file (%s) in mode (%s)\n", fle,</span>
inputStat);
}
<span class="pc bpc" id="L424" title="1 of 2 branches missed."> if (inputStat == InputStatus.ALL) {</span>
<span class="nc" id="L425"> Path pth = Paths.get(fle);</span>
<span class="nc bnc" id="L427" title="All 2 branches missed."> if (!Files.isReadable(pth)) {</span>
<span class="nc" id="L428"> String msg</span>
<span class="nc" id="L429"> = String.format("[ERROR] File '%s' is not readable\n", fle);</span>
<span class="nc" id="L430"> errs.add(msg);</span>
<span class="nc" id="L431"> return false;</span>
}
<span class="nc" id="L434"> byte[] inp = Files.readAllBytes(pth);</span>
<span class="nc" id="L436"> String strang = new String(inp, Charset.forName("UTF-8"));</span>
<span class="nc" id="L438"> processString(strang);</span>
<span class="pc bpc" id="L439" title="1 of 2 branches missed."> } else if (inputStat == InputStatus.LINE) {</span>
<span class="fc" id="L440"> try (FileInputStream fis = new FileInputStream(fle);</span>
<span class="fc" id="L441"> Scanner scn = new Scanner(fis)) {</span>
<span class="fc bfc" id="L442" title="All 2 branches covered."> while (scn.hasNextLine()) {</span>
<span class="fc" id="L443"> processString(scn.nextLine());</span>
}
<span class="fc" id="L445"> }</span>
<span class="nc bnc" id="L446" title="All 2 branches missed."> } else if (inputStat == InputStatus.REGEX) {</span>
<span class="nc" id="L447"> try (FileInputStream fis = new FileInputStream(fle);</span>
<span class="nc" id="L448"> Scanner scn = new Scanner(fis)) {</span>
<span class="nc" id="L449"> scn.useDelimiter(pattern);</span>
<span class="nc bnc" id="L451" title="All 2 branches missed."> while (scn.hasNext()) {</span>
<span class="nc" id="L452"> processString(scn.next());</span>
}
<span class="nc" id="L454"> }</span>
} else {
<span class="nc" id="L456"> String msg = String.format(</span>
"[INTERNAL-ERROR] Input status '%s' is not yet implemented\n",
inputStat);
<span class="nc" id="L459"> errs.add(msg);</span>
<span class="nc" id="L460"> return false;</span>
}
<span class="nc" id="L462"> } catch (IOException ioex) {</span>
<span class="nc" id="L463"> String msg = String.format(</span>
"[ERROR] Unknown I/O related error for file '%s'\n\tError was %s",
<span class="nc" id="L465"> fle, ioex.getMessage());</span>
<span class="nc" id="L466"> errs.add(msg);</span>
<span class="nc" id="L467"> return false;</span>
} finally {
<span class="fc" id="L469"> argLock.readLock().unlock();</span>
}
<span class="fc" id="L472"> return true;</span>
}
/**
* Process an input string.
*
* @param inp
* The input string to process.
*/
public void processString(String inp) {
<span class="fc" id="L482"> argLock.readLock().lock();</span>
try {
<span class="fc" id="L485"> String strang = inp;</span>
<span class="pc bpc" id="L487" title="1 of 2 branches missed."> if (verbosity >= 3) {</span>
<span class="fc" id="L488"> errStream.infof(</span>
"[INFO] Processing replacements for string '%s' in mode %s\n",
strang, inputStat);
<span class="pc bpc" id="L492" title="1 of 2 branches missed."> if (!inp.equals(inp.trim())) {</span>
<span class="nc" id="L493"> errStream.infof("[INFO] String '%s' has trailing spaces on it\n", inp);</span>
}
}
<span class="fc" id="L497"> strang = replSet.apply(inp);</span>
<span class="fc" id="L499"> outStream.print(strang);</span>
<span class="pc bpc" id="L500" title="1 of 2 branches missed."> if (printNL)</span>
<span class="fc" id="L501"> outStream.println();</span>
} finally {
<span class="fc" id="L503"> argLock.readLock().unlock();</span>
}
<span class="fc" id="L505"> }</span>
// Load arguments into the argument queue.
private void loadQueue(String... args) {
<span class="fc" id="L509"> boolean doArgs = true;</span>
<span class="fc bfc" id="L510" title="All 2 branches covered."> for (String arg : args) {</span>
<span class="pc bpc" id="L511" title="1 of 2 branches missed."> if (arg.equals("--")) {</span>
<span class="nc" id="L512"> doArgs = false;</span>
}
// Handle things like -nNv correctly
<span class="pc bpc" id="L516" title="1 of 2 branches missed."> if (doArgs) {</span>
<span class="fc bfc" id="L517" title="All 4 branches covered."> if (arg.startsWith("-") && !arg.startsWith("--")) {</span>
<span class="fc" id="L518"> char[] car = arg.substring(1).toCharArray();</span>
<span class="pc bpc" id="L520" title="1 of 2 branches missed."> if (verbosity >= 3) {</span>
<span class="nc" id="L521"> errStream.infof("[INFO] Adding stream of args: %s", car);</span>
}
<span class="fc bfc" id="L524" title="All 2 branches covered."> for (char c : car) {</span>
<span class="fc" id="L525"> String argstr = String.format("-%c", c);</span>
<span class="fc" id="L526"> argQue.add(argstr);</span>
}
<span class="fc" id="L528"> } else {</span>
<span class="fc" id="L529"> argQue.add(arg);</span>
}
} else {
<span class="nc" id="L532"> argQue.add(arg);</span>
}
}
<span class="fc" id="L535"> }</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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