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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / postcss-less / node_modules / source-map / lib / base64-vlq.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/postcss-less/node_modules/source-map/lib/base64-vlq.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/postcss-less/node_modules/source-map/lib/base64-vlq.js
deleted file mode 100644 (file)
index 612b404..0000000
--- a/.config/coc/extensions/node_modules/coc-prettier/node_modules/postcss-less/node_modules/source-map/lib/base64-vlq.js
+++ /dev/null
@@ -1,140 +0,0 @@
-/* -*- Mode: js; js-indent-level: 2; -*- */
-/*
- * Copyright 2011 Mozilla Foundation and contributors
- * Licensed under the New BSD license. See LICENSE or:
- * http://opensource.org/licenses/BSD-3-Clause
- *
- * Based on the Base 64 VLQ implementation in Closure Compiler:
- * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
- *
- * Copyright 2011 The Closure Compiler Authors. All rights reserved.
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above
- *    copyright notice, this list of conditions and the following
- *    disclaimer in the documentation and/or other materials provided
- *    with the distribution.
- *  * Neither the name of Google Inc. nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-var base64 = require('./base64');
-
-// A single base 64 digit can contain 6 bits of data. For the base 64 variable
-// length quantities we use in the source map spec, the first bit is the sign,
-// the next four bits are the actual value, and the 6th bit is the
-// continuation bit. The continuation bit tells us whether there are more
-// digits in this value following this digit.
-//
-//   Continuation
-//   |    Sign
-//   |    |
-//   V    V
-//   101011
-
-var VLQ_BASE_SHIFT = 5;
-
-// binary: 100000
-var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
-
-// binary: 011111
-var VLQ_BASE_MASK = VLQ_BASE - 1;
-
-// binary: 100000
-var VLQ_CONTINUATION_BIT = VLQ_BASE;
-
-/**
- * Converts from a two-complement value to a value where the sign bit is
- * placed in the least significant bit.  For example, as decimals:
- *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
- *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
- */
-function toVLQSigned(aValue) {
-  return aValue < 0
-    ? ((-aValue) << 1) + 1
-    : (aValue << 1) + 0;
-}
-
-/**
- * Converts to a two-complement value from a value where the sign bit is
- * placed in the least significant bit.  For example, as decimals:
- *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
- *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
- */
-function fromVLQSigned(aValue) {
-  var isNegative = (aValue & 1) === 1;
-  var shifted = aValue >> 1;
-  return isNegative
-    ? -shifted
-    : shifted;
-}
-
-/**
- * Returns the base 64 VLQ encoded value.
- */
-exports.encode = function base64VLQ_encode(aValue) {
-  var encoded = "";
-  var digit;
-
-  var vlq = toVLQSigned(aValue);
-
-  do {
-    digit = vlq & VLQ_BASE_MASK;
-    vlq >>>= VLQ_BASE_SHIFT;
-    if (vlq > 0) {
-      // There are still more digits in this value, so we must make sure the
-      // continuation bit is marked.
-      digit |= VLQ_CONTINUATION_BIT;
-    }
-    encoded += base64.encode(digit);
-  } while (vlq > 0);
-
-  return encoded;
-};
-
-/**
- * Decodes the next base 64 VLQ value from the given string and returns the
- * value and the rest of the string via the out parameter.
- */
-exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {
-  var strLen = aStr.length;
-  var result = 0;
-  var shift = 0;
-  var continuation, digit;
-
-  do {
-    if (aIndex >= strLen) {
-      throw new Error("Expected more digits in base 64 VLQ value.");
-    }
-
-    digit = base64.decode(aStr.charCodeAt(aIndex++));
-    if (digit === -1) {
-      throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1));
-    }
-
-    continuation = !!(digit & VLQ_CONTINUATION_BIT);
-    digit &= VLQ_BASE_MASK;
-    result = result + (digit << shift);
-    shift += VLQ_BASE_SHIFT;
-  } while (continuation);
-
-  aOutParam.value = fromVLQSigned(result);
-  aOutParam.rest = aIndex;
-};