Code repair

collections/uim/collections/classes/iterators/extract.d

@@ -1,6 +1,77 @@
-/****************************************************************************************************************
-* Copyright: © 2017-2024 Ozan Nurettin Süel (aka UIManufaktur)                                                  *
-* License: Subject to the terms of the Apache 2.0 license, as written in the included LICENSE.txt file.         *
-* Authors: Ozan Nurettin Süel (aka UIManufaktur)                                                                *
-*****************************************************************************************************************/
-module uim.collections.classes.iterators.extract;import uim.collections;@safe:/** * Creates an iterator from another iterator that extract the requested column * or property based on a path */class DExtractIterator : D_Collection {  this() {    super();  }  /**     * A callable responsible for extracting a single value for each     * item in the collection.          * /  protected callable _extractor;  /**     * Creates the iterator that will return the requested property for each value     * in the collection expressed in somePath     *     * ### Example:     *     * Extract the user name for all comments in the array:     *     * ```     * someItems = [     * ["comment": ["body": 'cool", "user": ["name": 'Mark"]],     * ["comment": ["body": 'very cool", "user": ["name": 'Renan"]]     * ];     * anExtractor = new DExtractIterator(someItems, "comment.user.name"");     * ```     * Params:     * Json[string] someItems The list of values to iterate     * /  this(Json[string] someItems, string aPath) {    _extractor = _propertyExtractor(aPath);    super(someItems);  }  // Returns the column value defined in somePath or null if the path could not be followed  Json currentValue() {    Json[string] myextractor = _extractor;    return myextractor(super.currentValue());  }  Iterator unwrap() {    auto myIterator = innerIterator();    if (cast(I_Collection)myIterator) {      myIterator = anIterator.unwrap();    }    TODO     /* if (myIterator.classname != ArrayIterator.classname) {      return this;    } * /        // ArrayIterator can be traversed strictly.    // Let`s do that for performance gains    aCallback = _extractor;    res = null;    myIterator.dup.byKeyValue.each!(kv => res[kv.key] = aCallback(kv.value));    return new DArrayIterator(res);  } */}
+/****************************************************************************************************************
+* Copyright: © 2017-2024 Ozan Nurettin Süel (aka UIManufaktur)                                                  *
+* License: Subject to the terms of the Apache 2.0 license, as written in the included LICENSE.txt file.         *
+* Authors: Ozan Nurettin Süel (aka UIManufaktur)                                                                *
+*****************************************************************************************************************/
+module uim.collections.classes.iterators.extract;
+
+import uim.collections;
+
+@safe:
+
+/**
+ * Creates an iterator from another iterator that extract the requested column
+ * or property based on a path
+ */
+class DExtractIterator : D_Collection {
+  this() {
+    super();
+  }
+  /**
+     * A callable responsible for extracting a single value for each
+     * item in the collection.
+          * /
+  protected callable _extractor;
+
+  /**
+     * Creates the iterator that will return the requested property for each value
+     * in the collection expressed in somePath
+     *
+     * ### Example:
+     *
+     * Extract the user name for all comments in the array:
+     *
+     * ```
+     * someItems = [
+     * ["comment": ["body": 'cool", "user": ["name": 'Mark"]],
+     * ["comment": ["body": 'very cool", "user": ["name": 'Renan"]]
+     * ];
+     * anExtractor = new DExtractIterator(someItems, "comment.user.name"");
+     * ```
+     * Params:
+     * Json[string] someItems The list of values to iterate
+     * /
+  this(Json[string] someItems, string aPath) {
+    _extractor = _propertyExtractor(aPath);
+    super(someItems);
+  }
+
+  // Returns the column value defined in somePath or null if the path could not be followed
+  Json currentValue() {
+    Json[string] myextractor = _extractor;
+
+    return myextractor(super.currentValue());
+  }
+
+  Iterator unwrap() {
+    auto myIterator = innerIterator();
+
+    if (cast(I_Collection)myIterator) {
+      myIterator = anIterator.unwrap();
+    }
+    TODO 
+    /* if (myIterator.classname != ArrayIterator.classname) {
+      return this;
+    } * /
+    
+    // ArrayIterator can be traversed strictly.
+    // Let`s do that for performance gains
+
+    aCallback = _extractor;
+    res = null;
+
+    myIterator.dup.byKeyValue.each!(kv => res[kv.key] = aCallback(kv.value));
+
+    return new DArrayIterator(res);
+  } */
+}