Initial commit (by create-cloudflare CLI)

1 files changed, 118 insertions, 0 deletions

diff --git a/node_modules/capnp-ts/src/serialization/pointers/data.js b/node_modules/capnp-ts/src/serialization/pointers/data.js
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+++ b/node_modules/capnp-ts/src/serialization/pointers/data.js
@@ -0,0 +1,118 @@
+"use strict";
+/**
+ * @author jdiaz5513
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Data = void 0;
+const tslib_1 = require("tslib");
+const debug_1 = tslib_1.__importDefault(require("debug"));
+const list_element_size_1 = require("../list-element-size");
+const list_1 = require("./list");
+const pointer_1 = require("./pointer");
+const pointer_type_1 = require("./pointer-type");
+const trace = debug_1.default("capnp:data");
+trace("load");
+/**
+ * A generic blob of bytes. Can be converted to a DataView or Uint8Array to access its contents using `toDataView()` and
+ * `toUint8Array()`. Use `copyBuffer()` to copy an entire buffer at once.
+ *
+ * @export
+ * @class Data
+ * @extends {List<number>}
+ */
+class Data extends list_1.List {
+    static fromPointer(pointer) {
+        pointer_1.validate(pointer_type_1.PointerType.LIST, pointer, list_element_size_1.ListElementSize.BYTE);
+        return this._fromPointerUnchecked(pointer);
+    }
+    static _fromPointerUnchecked(pointer) {
+        return new this(pointer.segment, pointer.byteOffset, pointer._capnp.depthLimit);
+    }
+    /**
+     * Copy the contents of `src` into this Data pointer. If `src` is smaller than the length of this pointer then the
+     * remaining bytes will be zeroed out. Extra bytes in `src` are ignored.
+     *
+     * @param {(ArrayBuffer | ArrayBufferView)} src The source buffer.
+     * @returns {void}
+     */
+    // TODO: Would be nice to have a way to zero-copy a buffer by allocating a new segment into the message with that
+    // buffer data.
+    copyBuffer(src) {
+        const c = pointer_1.getContent(this);
+        const dstLength = this.getLength();
+        const srcLength = src.byteLength;
+        const i = src instanceof ArrayBuffer
+            ? new Uint8Array(src)
+            : new Uint8Array(src.buffer, src.byteOffset, Math.min(dstLength, srcLength));
+        const o = new Uint8Array(c.segment.buffer, c.byteOffset, this.getLength());
+        o.set(i);
+        if (dstLength > srcLength) {
+            trace("Zeroing out remaining %d bytes after copy into %s.", dstLength - srcLength, this);
+            o.fill(0, srcLength, dstLength);
+        }
+        else if (dstLength < srcLength) {
+            trace("Truncated %d bytes from source buffer while copying to %s.", srcLength - dstLength, this);
+        }
+    }
+    /**
+     * Read a byte from the specified offset.
+     *
+     * @param {number} byteOffset The byte offset to read.
+     * @returns {number} The byte value.
+     */
+    get(byteOffset) {
+        const c = pointer_1.getContent(this);
+        return c.segment.getUint8(c.byteOffset + byteOffset);
+    }
+    /**
+     * Write a byte at the specified offset.
+     *
+     * @param {number} byteOffset The byte offset to set.
+     * @param {number} value The byte value to set.
+     * @returns {void}
+     */
+    set(byteOffset, value) {
+        const c = pointer_1.getContent(this);
+        c.segment.setUint8(c.byteOffset + byteOffset, value);
+    }
+    /**
+     * Creates a **copy** of the underlying buffer data and returns it as an ArrayBuffer.
+     *
+     * To obtain a reference to the underlying buffer instead, use `toUint8Array()` or `toDataView()`.
+     *
+     * @returns {ArrayBuffer} A copy of this data buffer.
+     */
+    toArrayBuffer() {
+        const c = pointer_1.getContent(this);
+        return c.segment.buffer.slice(c.byteOffset, c.byteOffset + this.getLength());
+    }
+    /**
+     * Convert this Data pointer to a DataView representing the pointer's contents.
+     *
+     * WARNING: The DataView references memory from a message segment, so do not venture outside the bounds of the
+     * DataView or else BAD THINGS.
+     *
+     * @returns {DataView} A live reference to the underlying buffer.
+     */
+    toDataView() {
+        const c = pointer_1.getContent(this);
+        return new DataView(c.segment.buffer, c.byteOffset, this.getLength());
+    }
+    toString() {
+        return `Data_${super.toString()}`;
+    }
+    /**
+     * Convert this Data pointer to a Uint8Array representing the pointer's contents.
+     *
+     * WARNING: The Uint8Array references memory from a message segment, so do not venture outside the bounds of the
+     * Uint8Array or else BAD THINGS.
+     *
+     * @returns {DataView} A live reference to the underlying buffer.
+     */
+    toUint8Array() {
+        const c = pointer_1.getContent(this);
+        return new Uint8Array(c.segment.buffer, c.byteOffset, this.getLength());
+    }
+}
+exports.Data = Data;
+//# sourceMappingURL=data.js.map
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