PHP and Javascript solutions to moderate challenge #143 - The Ministry of Truth

Author: pascal-bourut

moderate/143 - The Ministry of Truth/143.js

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+// https://www.codeeval.com/open_challenges/143/
+
+var fs = require("fs");
+fs.readFileSync(process.argv[2]).toString().split('\n').forEach(function (line) {
+    line = line.trim();
+    if( line !== '' ){
+        var tmp = line.split(';');
+        var a = tmp[0];
+        var result = a.split('');
+        var a_len = a.length;
+        var b = tmp[1].split(' ');
+        var offset = -1;
+        var pos = -1;
+        var found = 0;
+        var len = b.length;
+        // console.log(line);
+        for(var i=0; i < len ; i++){
+            if( -1 != ( pos = a.indexOf( b[i] , offset+1 ) ) ){
+                var b_len = b[i].length;
+                // console.log(b[i], pos, offset);
+                
+                for(var j = offset ; j < pos ; j++){
+                    if( a[j] != ' ' ){
+                        result[j] = '_';
+                    }
+                    else{
+                        result[j] = ' ';
+                    }
+                }
+                
+                offset = pos + b_len;
+                found++;
+            }
+        }
+        if( found == len ){
+            for(var j = offset ; j < a_len ; j++){
+                if( a[j] != ' ' ){
+                    result[j] = '_';
+                }
+                else{
+                    result[j] = ' ';
+                }
+            }
+            console.log(result.join('').replace(/\s+/g,' '));
+        }
+        else{
+            console.log('I cannot fix history');
+        }
+        
+    }
+});

moderate/143 - The Ministry of Truth/143.php

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+<?php
+header('Content-Type: text/plain; charset=utf-8');
+
+// https://www.codeeval.com/open_challenges/143/
+
+if( isset($_GET['f_i_l_e']) && $_GET['f_i_l_e'] ) $argv[1] = $_GET['f_i_l_e'];
+
+if( isset($argv[1]) && $argv[1] ){
+    $filename = $argv[1];
+    if( file_exists($filename) ){
+        if( is_readable($filename) ){
+            $fp = fopen($filename, 'r');
+            if( $fp ){
+                while ( $fp && !feof( $fp ) ) {
+                    $line = trim(fgets($fp));
+                    if( $line ){
+                        list($a,$b) = explode(';', $line);
+                        $a_len = strlen($a);
+                        $b = explode(' ',$b);
+                        $offset = -1;
+                        $pos = -1;
+                        $found = 0;
+                        $len = count($b);
+                        for($i=0; $i < $len ; $i++){
+                            if( $b[$i] && false !== ( $pos = strpos($a, $b[$i], $offset+1 ) ) ){
+                                $b_len = strlen($b[$i]);
+                                for($j = max(0,$offset) ; $j < $pos ; $j++){
+                                    if( $a[$j] != ' ' ){
+                                        $a[$j] = '_';
+                                    }
+                                    else{
+                                        $a[$j] = ' ';
+                                    }
+                                }
+                                
+                                $offset = $pos + $b_len;
+                                $found++;
+                            }
+                        }
+                        if( $found && $found == $len ){
+                            for($j = $offset ; $j < $a_len ; $j++){
+                                if( $a[$j] != ' ' ){
+                                    $a[$j] = '_';
+                                }
+                                else{
+                                    $a[$j] = ' ';
+                                }
+                            }
+                            $a = str_replace('  ',' ',$a);
+                            $a = str_replace('  ',' ',$a);
+                            $a = str_replace('  ',' ',$a);
+                            echo $a."\n";
+                        }
+                        else{
+                            echo 'I cannot fix history'."\n";
+                        }
+                        
+                    }
+                    
+                }//
+                fclose( $fp );
+            }
+            else{
+                echo '!fp'."\n";
+            }
+        }
+        else{
+            echo '!readable'."\n";
+        }
+    }
+    else{
+        echo '!file_exists'."\n";
+    }
+}
+else{
+    echo '!argv[1]'."\n";
+}
+
+exit(0);
+
+?>

moderate/143 - The Ministry of Truth/test.txt

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+Higher meaning;Hi mean
+this is impossible;im possible
+twenty   two minutes;two minutes
+Higher meaning;e