Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / protobufjs / src / reader_buffer.js

diff --git a/legacy-libs/protobufjs/src/reader_buffer.js b/legacy-libs/protobufjs/src/reader_buffer.js
new file mode 100644 (file)
index 0000000..e547424
--- /dev/null
+++ b/legacy-libs/protobufjs/src/reader_buffer.js
@@ -0,0 +1,51 @@
+"use strict";
+module.exports = BufferReader;
+
+// extends Reader
+var Reader = require("./reader");
+(BufferReader.prototype = Object.create(Reader.prototype)).constructor = BufferReader;
+
+var util = require("./util/minimal");
+
+/**
+ * Constructs a new buffer reader instance.
+ * @classdesc Wire format reader using node buffers.
+ * @extends Reader
+ * @constructor
+ * @param {Buffer} buffer Buffer to read from
+ */
+function BufferReader(buffer) {
+    Reader.call(this, buffer);
+
+    /**
+     * Read buffer.
+     * @name BufferReader#buf
+     * @type {Buffer}
+     */
+}
+
+BufferReader._configure = function () {
+    /* istanbul ignore else */
+    if (util.Buffer)
+        BufferReader.prototype._slice = util.Buffer.prototype.slice;
+};
+
+
+/**
+ * @override
+ */
+BufferReader.prototype.string = function read_string_buffer() {
+    var len = this.uint32(); // modifies pos
+    return this.buf.utf8Slice
+        ? this.buf.utf8Slice(this.pos, this.pos = Math.min(this.pos + len, this.len))
+        : this.buf.toString("utf-8", this.pos, this.pos = Math.min(this.pos + len, this.len));
+};
+
+/**
+ * Reads a sequence of bytes preceeded by its length as a varint.
+ * @name BufferReader#bytes
+ * @function
+ * @returns {Buffer} Value read
+ */
+
+BufferReader._configure();