Commit 1d5b8ce3a8cd7e95f4f5918187cbd383ed870576
remove custom encoding
wanderer committed on 3/1/2018, 2:09:57 AMParent: e6e068b9aabc855accb38b1e1c5289d738cb142c
Files changed
| package-lock.json | changed |
| package.json | changed |
| treeNode.js | changed |
| package-lock.json | ||
|---|---|---|
| The diff is too large to show. Use a local git client to view these changes. Old file size: 322409 bytes New file size: 327883 bytes |
| package.json | ||
|---|---|---|
| @@ -19,17 +19,17 @@ | ||
| 19 | 19 … | "dfinity" |
| 20 | 20 … | ], |
| 21 | 21 … | "devDependencies": { |
| 22 | 22 … | "coveralls": "^3.0.0", |
| 23 | - "documentation": "^5.3.5", | |
| 23 … | + "documentation": "^5.4.0", | |
| 24 | 24 … | "level-browserify": "^1.1.1", |
| 25 | 25 … | "nyc": "^11.3.0", |
| 26 | 26 … | "standard": "^11.0.0", |
| 27 | 27 … | "tape": "^4.6.3" |
| 28 | 28 … | }, |
| 29 | 29 … | "dependencies": { |
| 30 | 30 … | "borc": "^2.0.2", |
| 31 | - "ipld-graph-builder": "^1.3.5", | |
| 31 … | + "ipld-graph-builder": "^1.3.7", | |
| 32 | 32 … | "node-webcrypto-shim": "0.0.0", |
| 33 | 33 … | "text-encoding": "^0.6.4", |
| 34 | 34 … | "uint1array": "^1.0.5" |
| 35 | 35 … | }, |
| treeNode.js | ||
|---|---|---|
| @@ -1,8 +1,5 @@ | ||
| 1 | -const leb128 = require('leb128').unsigned | |
| 2 | -const BufferPipe = require('buffer-pipe') | |
| 3 | 1 … | const Uint1Array = require('uint1array') |
| 4 | -const HASH_LEN = 20 | |
| 5 | 2 … | |
| 6 | 3 … | function toTypedArray (array) { |
| 7 | 4 … | return new Uint1Array(new Uint8Array(array).buffer) |
| 8 | 5 … | } |
| @@ -64,66 +61,4 @@ | ||
| 64 | 61 … | LBRANCH: 4, |
| 65 | 62 … | RBRANCH: 2, |
| 66 | 63 … | VALUE: 1 |
| 67 | 64 … | } |
| 68 | - | |
| 69 | -exports.encode = function (node, prefix = 0, encodeLen = false) { | |
| 70 | - let encoded = [] | |
| 71 | - const ext = node[EXTENSION] | |
| 72 | - if (ext) { | |
| 73 | - const len = leb128.encode(ext[0]) | |
| 74 | - encoded.push(len) | |
| 75 | - encoded.push(ext[1]) | |
| 76 | - prefix += MASK.EXTENSION | |
| 77 | - } | |
| 78 | - | |
| 79 | - const lb = node[LBRANCH] | |
| 80 | - if (lb) { | |
| 81 | - encoded.push(lb['/']) | |
| 82 | - prefix += MASK.LBRANCH | |
| 83 | - } | |
| 84 | - | |
| 85 | - const rb = node[RBRANCH] | |
| 86 | - if (rb) { | |
| 87 | - encoded.push(rb['/']) | |
| 88 | - prefix += MASK.RBRANCH | |
| 89 | - } | |
| 90 | - | |
| 91 | - let val = node[VALUE] | |
| 92 | - if (val !== undefined) { | |
| 93 | - encoded.push(val) | |
| 94 | - prefix += MASK.VALUE | |
| 95 | - } | |
| 96 | - | |
| 97 | - encoded.unshift(Buffer.from([prefix])) | |
| 98 | - encoded = Buffer.concat(encoded) | |
| 99 | - return encoded | |
| 100 | -} | |
| 101 | - | |
| 102 | -exports.decode = function (val) { | |
| 103 | - const node = [null, null, null] | |
| 104 | - const prefix = val[0] | |
| 105 | - const pipe = new BufferPipe(val.slice(1)) | |
| 106 | - | |
| 107 | - if (prefix & MASK.EXTENSION) { | |
| 108 | - const len = Number(leb128.read(pipe)) | |
| 109 | - const ext = pipe.read(Math.ceil(len / 8)) | |
| 110 | - node[EXTENSION] = [len, ext] | |
| 111 | - } | |
| 112 | - | |
| 113 | - if (prefix & MASK.LBRANCH) { | |
| 114 | - node[LBRANCH] = { | |
| 115 | - '/': pipe.read(HASH_LEN) | |
| 116 | - } | |
| 117 | - } | |
| 118 | - | |
| 119 | - if (prefix & MASK.RBRANCH) { | |
| 120 | - node[RBRANCH] = { | |
| 121 | - '/': pipe.read(HASH_LEN) | |
| 122 | - } | |
| 123 | - } | |
| 124 | - | |
| 125 | - if (prefix & MASK.VALUE) { | |
| 126 | - node[VALUE] = pipe.buffer | |
| 127 | - } | |
| 128 | - return node | |
| 129 | -} | |
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