mirror of
https://github.com/oceanprotocol/ocean-subgraph.git
synced 2024-12-02 05:57:29 +01:00
up
Signed-off-by: mihaisc <mihai.scarlat@smartcontrol.ro>
This commit is contained in:
parent
d8c0d1c9ae
commit
4ac408de51
33
.eslintrc
33
.eslintrc
@ -1,27 +1,14 @@
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{
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||||
"parser": "@typescript-eslint/parser",
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||||
"root": true,
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"extends": [
|
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"eslint:recommended",
|
||||
"plugin:@typescript-eslint/recommended"
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||||
],
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||||
"plugins": [
|
||||
"@typescript-eslint"
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||||
],
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"parserOptions": {
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"project": ["./tsconfig.json"]
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},
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"extends": ["oceanprotocol", "plugin:prettier/recommended"],
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"plugins": ["@typescript-eslint"],
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"rules": {
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||||
"comma-spacing": [
|
||||
"error",
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||||
{
|
||||
"before": false,
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||||
"after": true
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||||
}
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||||
],
|
||||
"prefer-const": [
|
||||
"off"
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||||
],
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||||
"prettier/prettier": "error",
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||||
"mocha-no-only/mocha-no-only": [
|
||||
"error"
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||||
],
|
||||
"no-use-before-define": "off",
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||||
"eqeqeq": "off",
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||||
"@typescript-eslint/no-use-before-define": "error",
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||||
"no-undef": ["warn"]
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}
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||||
}
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}
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|
35
.prettierrc
35
.prettierrc
@ -1,31 +1,6 @@
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{
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"overrides": [
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{
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"files": "*.sol",
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"options": {
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||||
"bracketSpacing": true,
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||||
"explicitTypes": "always",
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||||
"printWidth": 120,
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||||
"singleQuote": false,
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"tabWidth": 4,
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"useTabs": false
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}
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},
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||||
{
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||||
"files": "*.ts",
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"options": {
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||||
"bracketSpacing": true,
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||||
"explicitTypes": "always",
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||||
"newline-before-return": true,
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||||
"no-duplicate-variable": [true, "check-parameters"],
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||||
"no-var-keyword": true,
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||||
"printWidth": 120,
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||||
"semi": true,
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||||
"singleQuote": true,
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||||
"tabWidth": 2,
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||||
"trailingComma": "es5",
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||||
"useTabs": false
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||||
}
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||||
}
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||||
]
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||||
}
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||||
"semi": false,
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"singleQuote": true,
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"trailingComma": "none",
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"tabWidth": 2
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}
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@ -235,7 +235,7 @@ type Dispenser @entity {
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type DispenserTransaction @entity {
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id: ID!
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dispenserId: Dispenser!
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datatoken: Datatoken!
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datatoken: Token!
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user: User!
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amount: BigDecimal!
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block: Int!
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@ -246,11 +246,11 @@ type DispenserTransaction @entity {
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type PoolSnapshotTokenValue @entity {
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id: ID! # pool tx + tokenAddress
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tokenAddress: String!
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value: BigDecimal!
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id: ID! # pool tx + tokenAddress
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token: Token!
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value: BigDecimal!
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tokenReserve: BigDecimal!
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feeValue: BigDecimal! # Swap fee value in OCEAN
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feeValue: BigDecimal! # Swap fee value in OCEAN
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type: String!
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poolSnapshot: PoolSnapshot!
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}
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@ -260,13 +260,15 @@ type PoolSnapshot @entity {
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id: ID!
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pool: Pool!
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totalShares: BigDecimal!
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swapVolume: BigDecimal!
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swapFees: BigDecimal!
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timestamp: Int!
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swapVolume: BigDecimal! # swap value 24h
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swapFees: BigDecimal! # swap fee value 24h
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timestamp: Int! # date without time
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spotPrice: BigDecimal! # TODO: last spot price or first one?
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tokens: [PoolSnapshotTokenValue!] @derivedFrom(field: "poolSnapshot")
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}
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// shouldn't we move this to aquarius?
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type MetadataUpdate @entity {
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id: ID! # update tx + datatokenAddress
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datatokenId: Datatoken!
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@ -274,27 +276,9 @@ type MetadataUpdate @entity {
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datatokenAddress: String!
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userAddress: String!
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//all fields from the market edit
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name
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description
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author
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links
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timeout
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block: Int!
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timestamp: Int!
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tx: Bytes!
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}
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type Asset {
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did
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name
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description
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author
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services ? [ access, compute ] ?
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datatoken : Datatoken
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}
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@ -1,42 +0,0 @@
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import { RangeDecoder } from './range-decoder';
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import { LZMA } from './lzma';
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/**
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* LZMA Decoder
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* @author Nidin Vinayakan
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*/
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export class BitTreeDecoder {
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public probs: Uint16Array
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private numBits: u32
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constructor(numBits:u32) {
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this.numBits = numBits
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this.probs = new Uint16Array(1 << this.numBits)
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}
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@inline
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public init(): void {
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LZMA.INIT_PROBS(this.probs)
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}
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@inline
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public decode(rc: RangeDecoder): u32 {
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var m: u32 = 1
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for (var i: u32 = 0; i < this.numBits; i++) m = (m << 1) + rc.decodeBit(this.probs, m)
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return m - (1 << this.numBits)
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}
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@inline
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public reverseDecode(rc: RangeDecoder): i32 {
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return LZMA.BitTreeReverseDecode(this.probs, this.numBits, rc)
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}
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@inline
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static constructArray(numBits: i32, len: i32): Array<BitTreeDecoder> {
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var vec: BitTreeDecoder[] = new Array<BitTreeDecoder>(len)
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for (var i: i32 = 0; i < len; i++) {
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vec.__unchecked_set(i, new BitTreeDecoder(numBits))
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}
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return vec
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}
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}
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@ -1,42 +0,0 @@
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import { BitTreeDecoder } from './bit-tree-decoder'
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import { LZMA } from './lzma'
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import { RangeDecoder } from './range-decoder'
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/**
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* LZMA Decoder
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* @author Nidin Vinayakan
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*/
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export class LenDecoder {
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private choice: Uint16Array
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private lowCoder: Array<BitTreeDecoder>
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private midCoder: Array<BitTreeDecoder>
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private highCoder: BitTreeDecoder
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constructor() {
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this.lowCoder = BitTreeDecoder.constructArray(3, 1 << LZMA.kNumPosBitsMax)
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this.midCoder = BitTreeDecoder.constructArray(3, 1 << LZMA.kNumPosBitsMax)
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this.highCoder = new BitTreeDecoder(8)
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}
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public init(): void {
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this.choice = new Uint16Array(2)
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this.choice.__unchecked_set(0, LZMA.PROB_INIT_VAL)
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this.choice.__unchecked_set(1, LZMA.PROB_INIT_VAL)
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this.highCoder.init()
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for (var i: i32 = 0; i < 1 << LZMA.kNumPosBitsMax; i++) {
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this.lowCoder[i].init()
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this.midCoder[i].init()
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}
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}
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public decode(rc: RangeDecoder, posState: i32): i32 {
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if (rc.decodeBit(this.choice, 0) == 0) {
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return this.lowCoder[posState].decode(rc)
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}
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if (rc.decodeBit(this.choice, 1) == 0) {
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return 8 + this.midCoder[posState].decode(rc)
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}
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return 16 + this.highCoder.decode(rc)
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}
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}
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@ -1,312 +0,0 @@
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import { RangeDecoder } from './range-decoder';
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import { OutWindow } from './out-window';
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import { BitTreeDecoder } from './bit-tree-decoder';
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import { LenDecoder } from './len-decoder';
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import { LZMA } from './lzma';
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/**
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* LZMA Decoder
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* @author Nidin Vinayakan
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*/
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export class LzmaDecoder {
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//Public
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public markerIsMandatory: boolean
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public rangeDec: RangeDecoder //RangeDecoder
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public outWindow: OutWindow //OutWindow
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public lc: i32
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public pb: i32
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public lp: u8
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public dictSize: u32
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public dictSizeInProperties: u32
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//Private
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private litProbs: Uint16Array
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private posSlotDecoder: Array<BitTreeDecoder>
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private alignDecoder: BitTreeDecoder
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private posDecoders: Uint16Array
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private isMatch: Uint16Array
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private isRep: Uint16Array
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private isRepG0: Uint16Array
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private isRepG1: Uint16Array
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private isRepG2: Uint16Array
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private isRep0Long: Uint16Array
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private lenDecoder: LenDecoder
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private repLenDecoder: LenDecoder
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constructor() {
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this.posSlotDecoder = BitTreeDecoder.constructArray(6, LZMA.kNumLenToPosStates) //6
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this.alignDecoder = new BitTreeDecoder(LZMA.kNumAlignBits)
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this.posDecoders = new Uint16Array(1 + LZMA.kNumFullDistances - LZMA.kEndPosModelIndex)
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this.isMatch = new Uint16Array(LZMA.kNumStates << LZMA.kNumPosBitsMax)
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this.isRep = new Uint16Array(LZMA.kNumStates)
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this.isRepG0 = new Uint16Array(LZMA.kNumStates)
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this.isRepG1 = new Uint16Array(LZMA.kNumStates)
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this.isRepG2 = new Uint16Array(LZMA.kNumStates)
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this.isRep0Long = new Uint16Array(LZMA.kNumStates << LZMA.kNumPosBitsMax)
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this.lenDecoder = new LenDecoder()
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this.repLenDecoder = new LenDecoder()
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this.rangeDec = new RangeDecoder()
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this.outWindow = new OutWindow()
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}
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public init(): void {
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this.initLiterals()
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this.initDist()
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LZMA.INIT_PROBS(this.isMatch)
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LZMA.INIT_PROBS(this.isRep)
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LZMA.INIT_PROBS(this.isRepG0)
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LZMA.INIT_PROBS(this.isRepG1)
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LZMA.INIT_PROBS(this.isRepG2)
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LZMA.INIT_PROBS(this.isRep0Long)
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this.lenDecoder.init()
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this.repLenDecoder.init()
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}
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public create(): void {
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this.outWindow.create(this.dictSize)
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this.createLiterals()
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}
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@inline
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private createLiterals(): void {
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this.litProbs = new Uint16Array(0x300 << (this.lc + this.lp))
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}
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@inline
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private initLiterals(): void {
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var num: i32 = 0x300 << (this.lc + this.lp)
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for (var i: i32 = 0; i < num; i++) {
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this.litProbs.__unchecked_set(i, LZMA.PROB_INIT_VAL)
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}
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}
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@inline
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private decodeLiteral(state:u16, rep0:u32): void {
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var prevByte:u32 = 0
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if (!this.outWindow.isEmpty()) prevByte = this.outWindow.getByte(1)
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var symbol:u16 = 1
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var litState:u32 =
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((this.outWindow.totalPos & ((1 << this.lp) - 1)) << this.lc) +
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(prevByte >>> (8 - this.lc))
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var probsOffset: i32 = (0x300 * litState) | 0
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if (state >= 7) {
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let matchByte = this.outWindow.getByte(rep0 + 1)
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do {
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let matchBit = (matchByte >>> 7) & 1
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matchByte <<= 1
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let bit = this.rangeDec.decodeBit(
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this.litProbs,
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probsOffset + ((1 + matchBit) << 8) + symbol,
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)
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symbol = (symbol << 1) | bit
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if (matchBit != bit) break
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} while (symbol < 0x100)
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}
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while (symbol < 0x100) {
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symbol =
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(symbol << 1) |
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this.rangeDec.decodeBit(this.litProbs, probsOffset + symbol)
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}
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this.outWindow.putByte(<u8>(symbol - 0x100))
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}
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private decodeDistance(len: i32): u32 {
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var lenState: u32 = <u32>len
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if (lenState > LZMA.kNumLenToPosStates - 1) lenState = LZMA.kNumLenToPosStates - 1
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var posSlot:u32 = this.posSlotDecoder[lenState].decode(this.rangeDec)
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if (posSlot < 4) return posSlot
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var numDirectBits:u32 = (posSlot >>> 1) - 1
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var dist:u32 = (2 | (posSlot & 1)) << numDirectBits
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if (posSlot < LZMA.kEndPosModelIndex) {
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dist += LZMA.BitTreeReverseDecode(
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this.posDecoders,
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numDirectBits,
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this.rangeDec,
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dist - posSlot,
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)
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} else {
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dist +=
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this.rangeDec.decodeDirectBits(numDirectBits - LZMA.kNumAlignBits) << LZMA.kNumAlignBits
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dist += this.alignDecoder.reverseDecode(this.rangeDec)
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}
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return dist
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}
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@inline
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private initDist(): void {
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for (var i:u32 = 0; i < LZMA.kNumLenToPosStates; i++) {
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this.posSlotDecoder[i].init()
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}
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this.alignDecoder.init()
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LZMA.INIT_PROBS(this.posDecoders)
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}
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@inline
|
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public decodeProperties(properties: Uint8Array): void {
|
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var prop = new Uint8Array(4)
|
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var p0 = properties.__unchecked_get(0)
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prop.__unchecked_set(0, p0)
|
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if (p0 >= 9 * 5 * 5) {
|
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throw 1
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// throw 'Incorrect LZMA properties'
|
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}
|
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var p1 = p0 % 9
|
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prop.__unchecked_set(1, p1)
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p0 /= 9
|
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prop.__unchecked_set(0, p0)
|
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var p2 = p0 / 5
|
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var p3 = p0 % 5
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prop.__unchecked_set(2, p2)
|
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prop.__unchecked_set(3, p3)
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||||
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this.lc = p1
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this.pb = p2
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||||
this.lp = p3
|
||||
|
||||
this.dictSizeInProperties = 0
|
||||
for (var i: u32 = 0; i < 4; i++) {
|
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this.dictSizeInProperties |= <u32>properties.__unchecked_get(i + 1) << (8 * i)
|
||||
}
|
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this.dictSize = this.dictSizeInProperties
|
||||
|
||||
if (this.dictSize < LZMA.LZMA_DIC_MIN) {
|
||||
this.dictSize = LZMA.LZMA_DIC_MIN
|
||||
}
|
||||
}
|
||||
|
||||
@inline
|
||||
private updateState_Literal(state: u8): u8 {
|
||||
if (state < 4) return 0
|
||||
else if (state < 10) return state - 3
|
||||
else return state - 6
|
||||
}
|
||||
|
||||
@inline
|
||||
private updateState_ShortRep(state: u8): u8 {
|
||||
return state < 7 ? 9 : 11
|
||||
}
|
||||
|
||||
@inline
|
||||
private updateState_Rep(state: u8): u8 {
|
||||
return state < 7 ? 8 : 11
|
||||
}
|
||||
|
||||
@inline
|
||||
private updateState_Match(state: u8): u8 {
|
||||
return state < 7 ? 7 : 10
|
||||
}
|
||||
|
||||
public decode(unpackSizeDefined: boolean, unpackSize: i32): i32 {
|
||||
this.init()
|
||||
this.rangeDec.init()
|
||||
|
||||
if (unpackSizeDefined) {
|
||||
this.outWindow.outStream = new Uint8Array(unpackSize)
|
||||
} else {
|
||||
this.outWindow.outStream = new Uint8Array(4)
|
||||
}
|
||||
|
||||
var rep0:u32 = 0,
|
||||
rep1:u32 = 0,
|
||||
rep2:u32 = 0,
|
||||
rep3:u32 = 0
|
||||
var state:u8 = 0
|
||||
|
||||
for (;;) {
|
||||
if (unpackSizeDefined && unpackSize == 0 && !this.markerIsMandatory) {
|
||||
if (this.rangeDec.isFinishedOK()) {
|
||||
return LZMA.LZMA_RES_FINISHED_WITHOUT_MARKER
|
||||
}
|
||||
}
|
||||
|
||||
var posState = this.outWindow.totalPos & ((1 << this.pb) - 1)
|
||||
|
||||
if (this.rangeDec.decodeBit(this.isMatch, (state << LZMA.kNumPosBitsMax) + posState) == 0) {
|
||||
if (unpackSizeDefined && unpackSize == 0) {
|
||||
return LZMA.LZMA_RES_ERROR
|
||||
}
|
||||
this.decodeLiteral(state, rep0)
|
||||
state = this.updateState_Literal(state)
|
||||
unpackSize--
|
||||
continue
|
||||
}
|
||||
|
||||
var len: i32
|
||||
|
||||
if (this.rangeDec.decodeBit(this.isRep, state) != 0) {
|
||||
if (unpackSizeDefined && unpackSize == 0) {
|
||||
return LZMA.LZMA_RES_ERROR
|
||||
}
|
||||
if (this.outWindow.isEmpty()) {
|
||||
return LZMA.LZMA_RES_ERROR
|
||||
}
|
||||
if (this.rangeDec.decodeBit(this.isRepG0, state) == 0) {
|
||||
if (this.rangeDec.decodeBit(this.isRep0Long, (state << LZMA.kNumPosBitsMax) + posState) == 0) {
|
||||
state = this.updateState_ShortRep(state)
|
||||
this.outWindow.putByte(this.outWindow.getByte(rep0 + 1))
|
||||
unpackSize--
|
||||
continue
|
||||
}
|
||||
} else {
|
||||
var dist: i32
|
||||
if (this.rangeDec.decodeBit(this.isRepG1, state) == 0) {
|
||||
dist = rep1
|
||||
} else {
|
||||
if (this.rangeDec.decodeBit(this.isRepG2, state) == 0) {
|
||||
dist = rep2
|
||||
} else {
|
||||
dist = rep3
|
||||
rep3 = rep2
|
||||
}
|
||||
rep2 = rep1
|
||||
}
|
||||
rep1 = rep0
|
||||
rep0 = dist
|
||||
}
|
||||
len = this.repLenDecoder.decode(this.rangeDec, posState)
|
||||
state = this.updateState_Rep(state)
|
||||
} else {
|
||||
rep3 = rep2
|
||||
rep2 = rep1
|
||||
rep1 = rep0
|
||||
len = this.lenDecoder.decode(this.rangeDec, posState)
|
||||
state = this.updateState_Match(state)
|
||||
rep0 = this.decodeDistance(len)
|
||||
if (rep0 == 0xffffffff) {
|
||||
return this.rangeDec.isFinishedOK() ? LZMA.LZMA_RES_FINISHED_WITH_MARKER : LZMA.LZMA_RES_ERROR
|
||||
}
|
||||
|
||||
if (unpackSizeDefined && unpackSize == 0) {
|
||||
return LZMA.LZMA_RES_ERROR
|
||||
}
|
||||
if (rep0 >= this.dictSize || !this.outWindow.checkDistance(rep0)) {
|
||||
return LZMA.LZMA_RES_ERROR
|
||||
}
|
||||
}
|
||||
len += LZMA.kMatchMinLen
|
||||
var isError: boolean = false
|
||||
if (unpackSizeDefined && unpackSize < len) {
|
||||
len = unpackSize
|
||||
isError = true
|
||||
}
|
||||
this.outWindow.copyMatch(rep0 + 1, len)
|
||||
unpackSize -= len
|
||||
if (isError) {
|
||||
return LZMA.LZMA_RES_ERROR
|
||||
}
|
||||
}
|
||||
return LZMA.LZMA_RES_ERROR
|
||||
}
|
||||
}
|
@ -1,43 +0,0 @@
|
||||
import { LZMA } from './lzma'
|
||||
|
||||
export class LZMAHelper {
|
||||
static decoder: LZMA = new LZMA()
|
||||
static decoderAsync: Worker = new Worker('LZMAWorker.min.js')
|
||||
static callback: Function
|
||||
static ENCODE: number = 1
|
||||
static DECODE: number = 2
|
||||
|
||||
static init(): void {
|
||||
var command = 0
|
||||
LZMAHelper.decoderAsync.onmessage = function(e) {
|
||||
if (command == 0) {
|
||||
command = e.data
|
||||
} else if (command == LZMAHelper.ENCODE) {
|
||||
command = 0 //encode not implemented
|
||||
} else if (command == LZMAHelper.DECODE) {
|
||||
command = 0
|
||||
LZMAHelper.callback(e.data)
|
||||
LZMAHelper.callback = null
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static encode(data: ArrayBuffer): ArrayBuffer {
|
||||
return null
|
||||
}
|
||||
static decode(data: ArrayBuffer): ArrayBuffer {
|
||||
return LZMAHelper.decoder.decode(new Uint8Array(data)).buffer
|
||||
}
|
||||
static encodeAsync(data: ArrayBuffer, _callback: Function): void {}
|
||||
static decodeAsync(data: ArrayBuffer, _callback: Function): void {
|
||||
if (LZMAHelper.callback == null) {
|
||||
LZMAHelper.callback = _callback
|
||||
LZMAHelper.decoderAsync.postMessage(LZMAHelper.DECODE)
|
||||
LZMAHelper.decoderAsync.postMessage(data, [data])
|
||||
} else {
|
||||
console.log('Warning! Another LZMA decoding is running...')
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
LZMAHelper.init()
|
@ -1,36 +0,0 @@
|
||||
import { LZMA } from './lzma'
|
||||
|
||||
export class LZMAWorker {
|
||||
static ENCODE: number = 1
|
||||
static DECODE: number = 2
|
||||
private decoder: LZMA
|
||||
private command: Object = null
|
||||
private time: number
|
||||
|
||||
constructor() {
|
||||
var _this = this
|
||||
this.decoder = new LZMA()
|
||||
|
||||
addEventListener(
|
||||
'message',
|
||||
(e: any) => {
|
||||
if (_this.command == null) {
|
||||
_this.command = e.data
|
||||
} else if (_this.command['job'] == 1) {
|
||||
_this.command = null
|
||||
} else if (_this.command['job'] == 2) {
|
||||
_this.decode(e.data)
|
||||
}
|
||||
},
|
||||
false
|
||||
)
|
||||
}
|
||||
private decode(data): void {
|
||||
this.time = Date.now()
|
||||
var result = this.decoder.decode(new Uint8Array(data))
|
||||
this.command['time'] = Date.now() - this.time
|
||||
;(<any>postMessage)(this.command)
|
||||
;(<any>postMessage)(result.buffer, [result.buffer])
|
||||
}
|
||||
}
|
||||
new LZMAWorker()
|
135
src/lzma/lzma.ts
135
src/lzma/lzma.ts
@ -1,135 +0,0 @@
|
||||
import { LzmaDecoder } from './lzma-decoder'
|
||||
import { RangeDecoder } from './range-decoder'
|
||||
;('use strict')
|
||||
/**
|
||||
* LZMA Decoder
|
||||
* @author Nidin Vinayakan
|
||||
*/
|
||||
|
||||
export class DecodeResult {
|
||||
constructor(
|
||||
public success: u32,
|
||||
public errorCode: u32,
|
||||
public unpackSize: i32,
|
||||
public data: Uint8Array
|
||||
) {}
|
||||
}
|
||||
|
||||
export class LZMA {
|
||||
static readonly LZMA_DIC_MIN: u32 = 1 << 12
|
||||
static readonly LZMA_RES_ERROR: u32 = 0x1
|
||||
static readonly LZMA_RES_FINISHED_WITH_MARKER: u32 = 0x2
|
||||
static readonly LZMA_RES_FINISHED_WITHOUT_MARKER: u32 = 0x3
|
||||
static readonly kNumBitModelTotalBits: u16 = 11
|
||||
static readonly kNumMoveBits: u8 = 5
|
||||
static readonly PROB_INIT_VAL: u16 = (1 << LZMA.kNumBitModelTotalBits) / 2 //1024
|
||||
static readonly kNumPosBitsMax: u8 = 4
|
||||
|
||||
static readonly kNumStates: u32 = 12
|
||||
static readonly kNumLenToPosStates: u32 = 4
|
||||
static readonly kNumAlignBits: u32 = 4
|
||||
static readonly kStartPosModelIndex: u32 = 4
|
||||
static readonly kEndPosModelIndex: u32 = 14
|
||||
static readonly kNumFullDistances: u32 = 1 << (LZMA.kEndPosModelIndex >>> 1)
|
||||
static readonly kMatchMinLen: u32 = 2
|
||||
|
||||
public decoder: LzmaDecoder
|
||||
public data: Uint8Array
|
||||
|
||||
@inline
|
||||
static INIT_PROBS(p: Uint16Array): void {
|
||||
p.fill(LZMA.PROB_INIT_VAL)
|
||||
}
|
||||
|
||||
static BitTreeReverseDecode(
|
||||
probs: Uint16Array,
|
||||
numBits: i32,
|
||||
rc: RangeDecoder,
|
||||
offset: i32 = 0
|
||||
): i32 {
|
||||
var m: u32 = 1
|
||||
var symbol: u32 = 0
|
||||
for (var i: i32 = 0; i < numBits; i++) {
|
||||
var bit: u32 = rc.decodeBit(probs, offset + m)
|
||||
m <<= 1
|
||||
m += bit
|
||||
symbol |= bit << i
|
||||
}
|
||||
return symbol
|
||||
}
|
||||
|
||||
constructor() {
|
||||
this.decoder = new LzmaDecoder()
|
||||
}
|
||||
|
||||
public unpackSize(data: Uint8Array): u32 {
|
||||
var header: Uint8Array = new Uint8Array(13)
|
||||
var i: i32
|
||||
for (i = 0; i < 13; i++) {
|
||||
header[i] = data[i]
|
||||
}
|
||||
|
||||
var unpackSize: u32 = 0
|
||||
var unpackSizeDefined: boolean = false
|
||||
for (i = 0; i < 8; i++) {
|
||||
var b: u32 = header[5 + i]
|
||||
if (b != 0xff) {
|
||||
unpackSizeDefined = true
|
||||
}
|
||||
unpackSize |= b << (8 * i)
|
||||
}
|
||||
return unpackSize
|
||||
}
|
||||
|
||||
public decode(data: Uint8Array): DecodeResult {
|
||||
this.data = data
|
||||
var header: Uint8Array = new Uint8Array(13)
|
||||
var i: i32
|
||||
for (i = 0; i < 13; i++) {
|
||||
header[i] = data[i]
|
||||
}
|
||||
this.decoder.decodeProperties(header)
|
||||
var unpackSize: u32 = 0
|
||||
var unpackSizeDefined: boolean = false
|
||||
for (i = 0; i < 8; i++) {
|
||||
var b: u32 = header[5 + i]
|
||||
if (b != 0xff) {
|
||||
unpackSizeDefined = true
|
||||
}
|
||||
unpackSize |= b << (8 * i)
|
||||
}
|
||||
|
||||
this.decoder.markerIsMandatory = !unpackSizeDefined
|
||||
this.decoder.rangeDec.inStream = data
|
||||
this.decoder.create()
|
||||
// we support the streams that have uncompressed size and marker.
|
||||
var res: i32 = this.decoder.decode(unpackSizeDefined, unpackSize)
|
||||
|
||||
if (res == LZMA.LZMA_RES_ERROR) {
|
||||
return new DecodeResult(false, LZMA.LZMA_RES_ERROR, null, null)
|
||||
//throw 'LZMA decoding error'
|
||||
} else if (res == LZMA.LZMA_RES_FINISHED_WITHOUT_MARKER) {
|
||||
//console.log("Finished without end marker");
|
||||
} else if (res == LZMA.LZMA_RES_FINISHED_WITH_MARKER) {
|
||||
if (unpackSizeDefined) {
|
||||
if (this.decoder.outWindow.out_pos != unpackSize) {
|
||||
return new DecodeResult(false, LZMA.LZMA_RES_ERROR, null, null)
|
||||
//throw 'Finished with end marker before than specified size'
|
||||
}
|
||||
}
|
||||
} else {
|
||||
return new DecodeResult(false, LZMA.LZMA_RES_ERROR, null, null)
|
||||
//throw 'Internal Error'
|
||||
}
|
||||
|
||||
if (this.decoder.rangeDec.corrupted) {
|
||||
// console.log('Warning: LZMA stream is corrupted')
|
||||
}
|
||||
return new DecodeResult(
|
||||
true,
|
||||
null,
|
||||
this.decoder.outWindow.out_pos,
|
||||
this.decoder.outWindow.outStream
|
||||
)
|
||||
}
|
||||
}
|
@ -1,92 +0,0 @@
|
||||
import { HEADER_SIZE } from "~lib/internal/arraybuffer";
|
||||
/**
|
||||
* LZMA Decoder
|
||||
* @author Nidin Vinayakan
|
||||
*/
|
||||
export class OutWindow {
|
||||
public totalPos: i32
|
||||
public outStream: Uint8Array
|
||||
|
||||
private buf: Uint8Array
|
||||
private pos: i32
|
||||
public out_pos: i32
|
||||
private size: i32
|
||||
private isFull: boolean
|
||||
|
||||
constructor() {
|
||||
this.out_pos = 0
|
||||
}
|
||||
|
||||
public create(
|
||||
dictSize: i32,
|
||||
): void {
|
||||
this.buf = new Uint8Array(dictSize)
|
||||
this.pos = 0
|
||||
this.size = dictSize
|
||||
this.isFull = false
|
||||
this.totalPos = 0
|
||||
}
|
||||
|
||||
@inline
|
||||
public putByte(b: u8): void {
|
||||
this.totalPos++
|
||||
this.buf.__unchecked_set(this.pos++, b)
|
||||
if (this.pos == this.size) {
|
||||
this.pos = 0
|
||||
this.isFull = true
|
||||
}
|
||||
if (this.outStream.length === this.out_pos) {
|
||||
this.grow()
|
||||
}
|
||||
this.outStream.__unchecked_set(this.out_pos++, b)
|
||||
}
|
||||
|
||||
@inline
|
||||
private grow(): void {
|
||||
let tmp = this.outStream
|
||||
this.outStream = new Uint8Array(tmp.length * 2)
|
||||
|
||||
memory.copy(
|
||||
changetype<usize>(this.outStream.buffer) + this.outStream.byteOffset + HEADER_SIZE,
|
||||
changetype<usize>(tmp.buffer) + tmp.byteOffset + HEADER_SIZE,
|
||||
tmp.length
|
||||
);
|
||||
|
||||
let tmp_ptr = <usize>tmp;
|
||||
let AB_ptr = load<u32>(tmp_ptr, 0);
|
||||
__memory_free(AB_ptr);
|
||||
__memory_free(tmp_ptr)
|
||||
}
|
||||
|
||||
public trim(): Uint8Array {
|
||||
var out = this.outStream.subarray(0, this.out_pos)
|
||||
return out
|
||||
}
|
||||
|
||||
@inline
|
||||
public getByte(
|
||||
dist: i32,
|
||||
): u8 {
|
||||
return this.buf.__unchecked_get(dist <= this.pos ? this.pos - dist : this.size - dist + this.pos)
|
||||
}
|
||||
|
||||
@inline
|
||||
public copyMatch(
|
||||
dist: i32,
|
||||
len:i32,
|
||||
): void {
|
||||
for (; len > 0; len--) {
|
||||
this.putByte(this.getByte(dist))
|
||||
}
|
||||
}
|
||||
|
||||
@inline
|
||||
public checkDistance(dist: i32): boolean {
|
||||
return dist <= this.pos || this.isFull
|
||||
}
|
||||
|
||||
@inline
|
||||
public isEmpty(): boolean {
|
||||
return this.pos == 0 && !this.isFull
|
||||
}
|
||||
}
|
@ -1,96 +0,0 @@
|
||||
import { LZMA } from "./lzma";
|
||||
|
||||
/**
|
||||
* LZMA Decoder
|
||||
* @author Nidin Vinayakan
|
||||
*/
|
||||
export class RangeDecoder {
|
||||
static kTopValue: u32 = 1 << 24
|
||||
|
||||
public inStream: Uint8Array
|
||||
public corrupted: boolean
|
||||
|
||||
public in_pos: i32
|
||||
private range: u32 = 0
|
||||
private code: u32 = 0
|
||||
|
||||
constructor() {
|
||||
this.in_pos = 13
|
||||
}
|
||||
|
||||
@inline
|
||||
public isFinishedOK(): boolean {
|
||||
return this.code == 0
|
||||
}
|
||||
|
||||
@inline
|
||||
public init(): void {
|
||||
this.corrupted = false
|
||||
|
||||
if (this.inStream[this.in_pos++] != 0) {
|
||||
this.corrupted = true
|
||||
}
|
||||
|
||||
this.range = 0xffffffff
|
||||
this.code = 0
|
||||
|
||||
for (var i: i32 = 0; i < 4; i++) {
|
||||
this.code = (this.code << 8) | this.inStream[this.in_pos++]
|
||||
}
|
||||
|
||||
if (this.code == this.range) {
|
||||
this.corrupted = true
|
||||
}
|
||||
}
|
||||
|
||||
@inline
|
||||
public normalize():void {
|
||||
if (this.range < RangeDecoder.kTopValue) {
|
||||
this.range <<= 8
|
||||
this.code = (this.code << 8) | this.inStream[this.in_pos++]
|
||||
}
|
||||
}
|
||||
|
||||
@inline
|
||||
public decodeDirectBits(numBits: i32): i32 {
|
||||
var res:u32 = 0
|
||||
do {
|
||||
this.range >>>= 1
|
||||
this.code -= this.range
|
||||
let t:u32 = 0 - (this.code >>> 31)
|
||||
this.code += this.range & t
|
||||
|
||||
if (this.code == this.range) {
|
||||
this.corrupted = true
|
||||
}
|
||||
|
||||
this.normalize()
|
||||
res <<= 1
|
||||
res += t + 1
|
||||
} while (--numBits)
|
||||
return res
|
||||
}
|
||||
|
||||
@inline
|
||||
decodeBit(prob: Uint16Array, index: i32):u16 {
|
||||
var v:u16 = prob.__unchecked_get(index);
|
||||
var bound:u32 = (this.range >> LZMA.kNumBitModelTotalBits) * v;
|
||||
var symbol:u16 = 0;
|
||||
if (this.code < bound)
|
||||
{
|
||||
v += ((1 << LZMA.kNumBitModelTotalBits) - v) >> LZMA.kNumMoveBits;
|
||||
this.range = bound;
|
||||
symbol = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
v -= v >> LZMA.kNumMoveBits;
|
||||
this.code -= bound;
|
||||
this.range -= bound;
|
||||
symbol = 1;
|
||||
}
|
||||
prob.__unchecked_set(index, v)
|
||||
this.normalize();
|
||||
return symbol;
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue
Block a user