Merge pull request #17 from friedalexuni/main

Added B02 homework

src/adap-b02/names/Name.ts

@@ -1,21 +1,52 @@
 export const DEFAULT_DELIMITER: string = '.';
 export const ESCAPE_CHARACTER = '\\';
 
+/**
+ * A name is a sequence of string components separated by a delimiter character.
+ * Special characters within the string may need masking, if they are to appear verbatim.
+ * There are only two special characters, the delimiter character and the escape character.
+ * The escape character can't be set, the delimiter character can.
+ * 
+ * Homogenous name examples
+ * 
+ * "oss.cs.fau.de" is a name with four name components and the delimiter character '.'.
+ * "///" is a name with four empty components and the delimiter character '/'.
+ * "Oh\.\.\." is a name with one component, if the delimiter character is '.'.
+ */
 export interface Name {
 
-    /** Returns human-readable representation of Name instance */
-    asNameString(delimiter?: string): string;
+    /**
+     * Returns a human-readable representation of the Name instance using user-set control characters
+     * Control characters are not escaped (creating a human-readable string)
+     * Users can vary the delimiter character to be used
+     */
+    asString(delimiter?: string): string;
+
+    /** 
+     * Returns a machine-readable representation of Name instance using default control characters
+     * Machine-readable means that from a data string, a Name can be parsed back in
+     * The control characters in the data string are the default characters
+     */
+    asDataString(): string;
 
     isEmpty(): boolean;
 
+    getDelimiterCharacter(): string;
+
     /** Returns number of components in Name instance */
     getNoComponents(): number;
 
     getComponent(i: number): string;
+
+    /** Assumes that new Name component c is properly masked */
     setComponent(i: number, c: string): void;
 
+    /** Assumes that new Name component c is properly masked */
     insert(i: number, c: string): void;
+
+    /** Assumes that new Name component c is properly masked */
     append(c: string): void;
+
     remove(i: number): void;
 
 }

src/adap-b02/names/StringArrayName.ts

@@ -9,14 +9,22 @@ export class StringArrayName implements Name {
         throw new Error("needs implementation");
     }
 
-    public asNameString(delimiter: string = this.delimiter): string {
+    public asString(delimiter: string = this.delimiter): string {
+        throw new Error("needs implementation");
+    }
+
+    public asDataString(): string {
         throw new Error("needs implementation");
     }
 
     public isEmpty(): boolean {
         throw new Error("needs implementation");
     }
 
+    public getDelimiterCharacter(): string {
+        throw new Error("needs implementation");
+    }
+
     public getNoComponents(): number {
         throw new Error("needs implementation");
     }

src/adap-b02/names/StringName.ts

@@ -5,20 +5,28 @@ export class StringName implements Name {
     protected delimiter: string = DEFAULT_DELIMITER;
 
     protected name: string = "";
-    protected length: number = 0; // Number of components in Name instance
+    protected length: number = 0;
 
     constructor(other: string, delimiter?: string) {
         throw new Error("needs implementation");
     }
 
-    public asNameString(delimiter: string = this.delimiter): string {
+    public asString(delimiter: string = this.delimiter): string {
+        throw new Error("needs implementation");
+    }
+
+    public asDataString(): string {
         throw new Error("needs implementation");
     }
 
     public isEmpty(): boolean {
         throw new Error("needs implementation");
     }
 
+    public getDelimiterCharacter(): string {
+        throw new Error("needs implementation");
+    }
+
     public getNoComponents(): number {
         throw new Error("needs implementation");
     }

test/adap-b02/names/Name.test.ts

@@ -0,0 +1,59 @@
+import { describe, it, expect } from "vitest";
+
+import { Name } from "../../../src/adap-b02/names/Name";
+import { StringName } from "../../../src/adap-b02/names/StringName";
+import { StringArrayName } from "../../../src/adap-b02/names/StringArrayName";
+
+describe("Basic StringName function tests", () => {
+  it("test insert", () => {
+    let n: Name = new StringName("oss.fau.de");
+    n.insert(1, "cs");
+    expect(n.asString()).toBe("oss.cs.fau.de");
+  });
+  it("test append", () => {
+    let n: Name = new StringName("oss.cs.fau");
+    n.append("de");
+    expect(n.asString()).toBe("oss.cs.fau.de");
+  });
+  it("test remove", () => {
+    let n: Name = new StringName("oss.cs.fau.de");
+    n.remove(0);
+    expect(n.asString()).toBe("cs.fau.de");
+  });
+});
+
+describe("Basic StringArrayName function tests", () => {
+  it("test insert", () => {
+    let n: Name = new StringArrayName(["oss", "fau", "de"]);
+    n.insert(1, "cs");
+    expect(n.asString()).toBe("oss.cs.fau.de");
+  });
+  it("test append", () => {
+    let n: Name = new StringArrayName(["oss", "cs", "fau"]);
+    n.append("de");
+    expect(n.asString()).toBe("oss.cs.fau.de");
+  });
+  it("test remove", () => {
+    let n: Name = new StringArrayName(["oss", "cs", "fau", "de"]);
+    n.remove(0);
+    expect(n.asString()).toBe("cs.fau.de");
+  });
+});
+
+describe("Delimiter function tests", () => {
+  it("test insert", () => {
+    let n: Name = new StringName("oss#fau#de", '#');
+    n.insert(1, "cs");
+    expect(n.asString()).toBe("oss#cs#fau#de");
+  });
+});
+
+describe("Escape character extravaganza", () => {
+  it("test escape and delimiter boundary conditions", () => {
+    let n: Name = new StringName("oss.cs.fau.de", '#');
+    expect(n.getNoComponents()).toBe(1);
+    expect(n.asString()).toBe("oss.cs.fau.de");
+    n.append("people");
+    expect(n.asString()).toBe("oss.cs.fau.de#people");
+  });
+});

tsconfig.json

@@ -11,7 +11,7 @@
     // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
 
     /* Language and Environment */
-    "target": "es2016",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    "target": "ES2023",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
     // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
     // "jsx": "preserve",                                /* Specify what JSX code is generated. */
     // "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */