1 files changed, 74 insertions, 0 deletions
diff --git a/comm/third_party/asn1js/src/BaseStringBlock.ts b/comm/third_party/asn1js/src/BaseStringBlock.ts
new file mode 100644
index 0000000000..606b330e0c
--- /dev/null
+++ b/comm/third_party/asn1js/src/BaseStringBlock.ts
@@ -0,0 +1,74 @@
+import { BaseBlock, BaseBlockParams } from "./BaseBlock";
+import { IStringConvertible } from "./types";
+import { EMPTY_STRING } from "./internals/constants";
+import { LocalStringValueBlock, LocalStringValueBlockJson, LocalStringValueBlockParams } from "./internals/LocalStringValueBlock";
+
+export interface BaseStringBlockParams extends BaseBlockParams, LocalStringValueBlockParams { }
+export type BaseStringBlockJson = LocalStringValueBlockJson;
+
+export abstract class BaseStringBlock<T extends LocalStringValueBlock = LocalStringValueBlock, J extends BaseStringBlockJson = BaseStringBlockJson> extends BaseBlock<T, J> implements IStringConvertible {
+
+  public static override NAME = "BaseStringBlock";
+
+  /**
+   * String value
+   * @since 3.0.0
+   */
+  public getValue(): string {
+    return this.valueBlock.value;
+  }
+  /**
+   * String value
+   * @param value String value
+   * @since 3.0.0
+   */
+  public setValue(value: string): void {
+    this.valueBlock.value = value;
+  }
+
+  constructor({
+    value = EMPTY_STRING,
+    ...parameters
+  }: BaseStringBlockParams = {}, stringValueBlockType: new () => T) {
+    super(parameters, stringValueBlockType);
+
+    if (value) {
+      this.fromString(value);
+    }
+  }
+
+  public override fromBER(inputBuffer: ArrayBuffer | Uint8Array, inputOffset: number, inputLength: number): number {
+    const resultOffset = this.valueBlock.fromBER(inputBuffer, inputOffset, (this.lenBlock.isIndefiniteForm) ? inputLength : this.lenBlock.length);
+    if (resultOffset === -1) {
+      this.error = this.valueBlock.error;
+
+      return resultOffset;
+    }
+
+    this.fromBuffer(this.valueBlock.valueHexView);
+
+    if (!this.idBlock.error.length)
+      this.blockLength += this.idBlock.blockLength;
+
+    if (!this.lenBlock.error.length)
+      this.blockLength += this.lenBlock.blockLength;
+
+    if (!this.valueBlock.error.length)
+      this.blockLength += this.valueBlock.blockLength;
+
+    return resultOffset;
+  }
+
+  /**
+   * Function converting ArrayBuffer into ASN.1 internal string
+   * @param inputBuffer ASN.1 BER encoded array
+   */
+  public abstract fromBuffer(inputBuffer: ArrayBuffer | Uint8Array): void;
+
+  public abstract fromString(inputString: string): void;
+
+  protected override onAsciiEncoding(): string {
+    return `${(this.constructor as typeof BaseStringBlock).NAME} : '${this.valueBlock.value}'`;
+  }
+
+}