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break the APIs into separate files
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daviddias committed Jun 28, 2016
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118 changes: 118 additions & 0 deletions API/files/README.md
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files API
=========

#### `add`

> Add files and data to IPFS.
##### `Go` **WIP**

##### `JavaScript` - ipfs.files.add(data, [callback])

Where `data` may be

- an array of objects, each of the form
```js
{
path: '/tmp/myfile.txt',
content: (Buffer or Readable stream)
}
```
- a `Buffer` instance
- a `Readable` stream

If no `content` is passed, then the path is treated as an empty directory

`callback` must follow `function (err, res) {}` signature, where `err` is an error if the operation was not successful. `res` will be an array of:

```js
{
path: '/tmp/myfile.txt',
node: DAGNode
}
```

If no `callback` is passed, a promise is returned.

Example:

```js
var files = [
{
path: '/tmp/myfile.txt',
content: (Buffer or Readable stream)
}
]
ipfs.files.add(files, function (err, files) {
// 'files' will be an array of objects
})
```


#### `createAddStream`

> Add files and data to IPFS using a transform stream.
##### `Go` **WIP**

##### `JavaScript` - ipfs.files.createAddStream([callback])

Provides a Transform stream, where objects can be written of the forms

```js
{
path: '/tmp/myfile.txt',
content: (Buffer or Readable stream)
}
```

`callback` must follow `function (err, stream) {}` signature, where `err` is an
error if the operation was not successful. `stream` will be a Transform stream,
to which tuples like the above two object formats can be written and [DAGNode][]
objects will be outputted.

If no `callback` is passed, a promise is returned.

```js
ipfs.files.createAddStream(function (err, stream) {
stream.on('data', function (file) {
// 'file' will be of the form
// {
// path: '/tmp/myfile.txt',
// node: DAGNode
// }
})

stream.write({path: <path to file>, content: <buffer or readable stream>})
// write as many as you want

stream.end()
})
```




#### `cat`

> Streams the file at the given IPFS multihash..
##### `Go` **WIP**

##### `JavaScript` - ipfs.cat(multihash, [callback])

`multihash` is a [multihash][] which can be passed as

- Buffer, the raw Buffer of the multihash
- String, the base58 encoded version of the multihash

`callback` must follow `function (err, stream) {}` signature, where `err` is an error if the operation was not successful and `stream` is a readable stream of the file.

If no `callback` is passed, a promise is returned.

```js
ipfs.files.cat(multihash, function (err, file) {
// file will be a stream containing the data of the file requested
})
```

260 changes: 260 additions & 0 deletions API/object/README.md
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object API
==========

#### `object.new`

> Create a new MerkleDAG node, using a specific layout. Caveat: So far, only UnixFS object layouts are supported.
##### `Go` **WIP**

##### `JavaScript` - ipfs.object.new([callback])

`callback` must follow `function (err, node) {}` signature, where `err` is an error if the operation was not successful and `node` is a MerkleDAG node of the type [DAGNode][]

If no `callback` is passed, a [promise][] is returned.





#### `object.put`

> Store an MerkleDAG node.
##### `Go` **WIP**

##### `JavaScript` - ipfs.object.put(obj, [options, callback])

`obj` is the MerkleDAG Node to be stored. Can of type:

- Object, with format `{ Data: <data>, Links: [] }`
- Buffer, requiring that the encoding is specified on the options. If no encoding is specified, Buffer is treated as the Data field
- [DAGNode][]

`options` is a optional argument of type object, that can contain the following properties:

- `enc`, the encoding of the Buffer (json, yml, etc), if passed a Buffer.

`callback` must follow `function (err, node) {}` signature, where `err` is an error if the operation was not successful and `node` is a MerkleDAG node of the type [DAGNode][]

If no `callback` is passed, a [promise][] is returned.





#### `object.get`

> Fetch a MerkleDAG node
##### `Go` **WIP**

##### `JavaScript` - ipfs.object.get(multihash, [options, callback])

`multihash` is a [multihash][] which can be passed as:

- Buffer, the raw Buffer of the multihash (or of and encoded version)
- String, the toString version of the multihash (or of an encoded version)

`options` is a optional argument of type object, that can contain the following properties:

- `enc`, the encoding of multihash (base58, base64, etc), if any.

`callback` must follow `function (err, node) {}` signature, where `err` is an error if the operation was not successful and `node` is a MerkleDAG node of the type [DAGNode][]

If no `callback` is passed, a [promise][] is returned.

#### `object.data`

> Returns the Data field of an object
##### `Go` **WIP**

##### `JavaScript` - ipfs.object.data(multihash, [options, callback])
`multihash` is a [multihash][] which can be passed as:

- Buffer, the raw Buffer of the multihash (or of and encoded version)
- String, the toString version of the multihash (or of an encoded version)

`options` is a optional argument of type object, that can contain the following properties:

- `enc`, the encoding of multihash (base58, base64, etc), if any.

`callback` must follow `function (err, data) {}` signature, where `err` is an error if the operation was not successful and `data` is a Buffer with the data that the MerkleDAG node contained.

If no `callback` is passed, a [promise][] is returned.

#### `object.links`

> Returns the Links field of an object
##### `Go` **WIP**

##### `JavaScript` - ipfs.object.links(multihash, [options, callback])

`multihash` is a [multihash][] which can be passed as:

- Buffer, the raw Buffer of the multihash (or of and encoded version)
- String, the toString version of the multihash (or of an encoded version)

`options` is a optional argument of type object, that can contain the following properties:

- `enc`, the encoding of multihash (base58, base64, etc), if any.

`callback` must follow `function (err, links) {}` signature, where `err` is an error if the operation was not successful and `links` is an Array of [DAGLink](https://github.com/vijayee/js-ipfs-merkle-dag/blob/master/src/dag-node.js#L199-L203) objects.

If no `callback` is passed, a [promise][] is returned.





#### `object.stat`

> Returns stats about an Object
##### `Go` **WIP**

##### `JavaScript` - ipfs.object.stat(multihash, [options, callback])

`multihash` is a [multihash][] which can be passed as:

- Buffer, the raw Buffer of the multihash (or of and encoded version)
- String, the toString version of the multihash (or of an encoded version)

`options` is a optional argument of type object, that can contain the following properties:

- `enc`, the encoding of multihash (base58, base64, etc), if any.

`callback` must follow `function (err, stats) {}` signature, where `err` is an error if the operation was not successful and `stats` is an Object with following format:

```JavaScript
{
Hash: 'QmPTkMuuL6PD8L2SwTwbcs1NPg14U8mRzerB1ZrrBrkSDD',
NumLinks: 0,
BlockSize: 10,
LinksSize: 2,
DataSize: 8,
CumulativeSize: 10
}
```

If no `callback` is passed, a [promise][] is returned.





#### `object.patch`

> `object.patch` exposes the available patch calls.
##### `object.patch.addLink`

> Add a Link to an existing MerkleDAG Object
###### `Go` **WIP**

###### `JavaScript` - ipfs.object.patch.addLink(multihash, DAGLink, [options, callback])

`multihash` is a [multihash][] which can be passed as:

- Buffer, the raw Buffer of the multihash (or of and encoded version)
- String, the toString version of the multihash (or of an encoded version)

`DAGLink` is the new link to be added on the node that is identified by the `multihash`

`options` is a optional argument of type object, that can contain the following properties:

- `enc`, the encoding of multihash (base58, base64, etc), if any.

`callback` must follow `function (err, node) {}` signature, where `err` is an error if the operation was not successful and `node` is a MerkleDAG node of the type [DAGNode][] that resulted by the operation of adding a Link.

If no `callback` is passed, a [promise][] is returned.





##### `object.patch.rmLink`

> Remove a Link from an existing MerkleDAG Object
###### `Go` **WIP**

###### `JavaScript` - ipfs.object.patch.rmLink(multihash, DAGLink, [options, callback])

`multihash` is a [multihash][] which can be passed as:

- Buffer, the raw Buffer of the multihash (or of and encoded version)
- String, the toString version of the multihash (or of an encoded version)

`DAGLink` is the link to be removed on the node that is identified by the `multihash`

`options` is a optional argument of type object, that can contain the following properties:

- `enc`, the encoding of multihash (base58, base64, etc), if any.

`callback` must follow `function (err, node) {}` signature, where `err` is an error if the operation was not successful and `node` is a MerkleDAG node of the type [DAGNode][] that resulted by the operation of adding a Link.

If no `callback` is passed, a [promise][] is returned.





##### `object.patch.appendData`

> Append Data to the Data field of an existing node.
###### `Go` **WIP**

###### `JavaScript` - ipfs.object.patch.appendData(multihash, data, [options, callback])

`multihash` is a [multihash][] which can be passed as:

- Buffer, the raw Buffer of the multihash (or of and encoded version)
- String, the toString version of the multihash (or of an encoded version)

`data` is a Buffer containing Data to be appended to the existing node.

`options` is a optional argument of type object, that can contain the following properties:

- `enc`, the encoding of multihash (base58, base64, etc), if any.

`callback` must follow `function (err, node) {}` signature, where `err` is an error if the operation was not successful and `node` is a MerkleDAG node of the type [DAGNode][] that resulted by the operation of adding a Link.

If no `callback` is passed, a [promise][] is returned.





##### `object.patch.setData`

> Reset the Data field of a MerkleDAG Node to new Data
###### `Go` **WIP**

###### `JavaScript` - ipfs.object.patch.setData(multihash, data, [options, callback])

`multihash` is a [multihash][] which can be passed as:

- Buffer, the raw Buffer of the multihash (or of and encoded version)
- String, the toString version of the multihash (or of an encoded version)

`data` is a Buffer containing Data to replace the existing Data on the node.

`options` is a optional argument of type object, that can contain the following properties:

- `enc`, the encoding of multihash (base58, base64, etc), if any.

`callback` must follow `function (err, node) {}` signature, where `err` is an error if the operation was not successful and `node` is a MerkleDAG node of the type [DAGNode][] that resulted by the operation of adding a Link.

If no `callback` is passed, a [promise][] is returned.

[DAGNode]: https://github.com/vijayee/js-ipfs-merkle-dag
[multihash]: http://github.com/jbenet/multihash
[promise]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise


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