From 1351f69e0efcf5119d0bac776775e0a430cc52d6 Mon Sep 17 00:00:00 2001
From: saharmehrpour <smehrpou@masonlive.gmu.edu>
Date: Wed, 22 May 2024 00:10:57 -0400
Subject: [PATCH] fix issue #62

---
 src/core/ruleExecutor.js | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/src/core/ruleExecutor.js b/src/core/ruleExecutor.js
index c3dd446..32f4feb 100644
--- a/src/core/ruleExecutor.js
+++ b/src/core/ruleExecutor.js
@@ -362,15 +362,15 @@ const findFromText = (xmlFiles, xpathQueries) => {
     let result1 = [], result2 = [];
     let xpathQuery = xpathQueries[0];
     for (let j = 0; j < xmlFiles.length; j++) {
-        result1 = result1.concat(runXPathQuery(xmlFiles[j], xpathQuery));
+        mergeArraysUnique(result1, runXPathQuery(xmlFiles[j], xpathQuery));
     }
     for (let j = 0; j < xmlFiles.length; j++) {
         result2.push({filePath: xmlFiles[j], results: []});
     }
     for (let i = 0; i < result1.length; i++) {
-        xpathQuery = xpathQueries[1].replace("<TEMP>", result1[i].snippet);
+        xpathQuery = xpathQueries[1].replaceAll("<TEMP>", result1[i].snippet);
         for (let j = 0; j < xmlFiles.length; j++) {
-            result2[j].results = result2[j].results.concat(runXPathQuery(xmlFiles[j], xpathQuery));
+            mergeArraysUnique(result2[j].results, runXPathQuery(xmlFiles[j], xpathQuery));
         }
     }
     return result2;
@@ -394,12 +394,12 @@ const findAndReturnToBase = (xmlFiles, xpathQueries) => {
         result1 = runXPathQuery(xmlFiles[base], xpathQuery);
         for (let i = 0; i < result1.length; i++) {
             for (let j = 0; j < xmlFiles.length; j++) {
-                xpathQuery = xpathQueries[1].replace(new RegExp("<TEMP>", "g"), result1[i].snippet);
+                xpathQuery = xpathQueries[1].replaceAll("<TEMP>", result1[i].snippet);
                 result2 = runXPathQuery(xmlFiles[j], xpathQuery);
 
                 for (let k = 0; k < result2.length; k++) {
-                    xpathQuery = xpathQueries[2].replace("<TEMP>", result2[k].snippet);
-                    result3[base].results = result3[base].results.concat(runXPathQuery(xmlFiles[base], xpathQuery));
+                    xpathQuery = xpathQueries[2].replaceAll("<TEMP>", result2[k].snippet);
+                    mergeArraysUnique(result3[base].results, runXPathQuery(xmlFiles[base], xpathQuery));
                 }
             }
         }
@@ -407,6 +407,24 @@ const findAndReturnToBase = (xmlFiles, xpathQueries) => {
     return result3;
 };
 
+/**
+ * Merge two arrays of objects without duplicates based on the xml.xml property.
+ * @param {{filePath, xml: {fileName, xml}, snippet,surroundingNodes}[]} mainArray
+ * The primary array of objects.
+ * @param {{filePath, xml: {fileName, xml}, snippet,surroundingNodes}[]} addition
+ * The secondary array of objects to be merged into the primary array.
+ * @returns {Array} - The merged array with unique entries.
+ */
+function mergeArraysUnique(mainArray, addition) {
+    const existingXmlValues = new Set(mainArray.map(obj => obj.xml.xml));
+    addition.forEach(obj => {
+        if (!existingXmlValues.has(obj.xml.xml)) {
+            mainArray.push(obj);
+            existingXmlValues.add(obj.xml.xml); // Add the new xml.xml value to the set
+        }
+    });
+    return mainArray;
+}
 
 /**
  * runs the XPath query and compare results