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Dedup some code between SyncBuffer and SyncFileBuffer

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This commit is contained in:
Fabian 2022-09-19 22:23:16 +08:00
parent 4c5486e023
commit ef3654f0b1
1 changed files with 14 additions and 42 deletions
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56
src/buffer.js
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@ -33,6 +33,7 @@
};
/**
* @this {SyncBuffer|SyncFileBuffer}
* @param {number} start
* @param {number} len
* @param {function(!Uint8Array)} fn
@ -44,6 +45,7 @@
};
/**
* @this {SyncBuffer|SyncFileBuffer}
* @param {number} start
* @param {!Uint8Array} slice
* @param {function()} fn
@ -57,6 +59,7 @@
};
/**
* @this {SyncBuffer|SyncFileBuffer}
* @param {function(!ArrayBuffer)} fn
*/
SyncBuffer.prototype.get_buffer = function(fn)
@ -64,6 +67,9 @@
fn(this.buffer);
};
/**
* @this {SyncBuffer|SyncFileBuffer}
*/
SyncBuffer.prototype.get_state = function()
{
const state = [];
@ -72,6 +78,9 @@
return state;
};
/**
* @this {SyncBuffer|SyncFileBuffer}
*/
SyncBuffer.prototype.set_state = function(state)
{
this.byteLength = state[0];
@ -564,48 +573,11 @@
}
};
/**
* @param {number} start
* @param {number} len
* @param {function(!Uint8Array)} fn
*/
SyncFileBuffer.prototype.get = function(start, len, fn)
{
dbg_assert(start + len <= this.byteLength);
fn(new Uint8Array(this.buffer, start, len));
};
/**
* @param {number} offset
* @param {!Uint8Array} slice
* @param {function()} fn
*/
SyncFileBuffer.prototype.set = function(offset, slice, fn)
{
dbg_assert(offset + slice.byteLength <= this.byteLength);
new Uint8Array(this.buffer, offset, slice.byteLength).set(slice);
fn();
};
SyncFileBuffer.prototype.get_buffer = function(fn)
{
fn(this.buffer);
};
SyncFileBuffer.prototype.get_state = function()
{
const state = [];
state[0] = this.byteLength;
state[1] = new Uint8Array(this.buffer);
return state;
};
SyncFileBuffer.prototype.set_state = function(state)
{
this.byteLength = state[0];
this.buffer = state[1].slice().buffer;
};
SyncFileBuffer.prototype.get = SyncBuffer.prototype.get;
SyncFileBuffer.prototype.set = SyncBuffer.prototype.set;
SyncFileBuffer.prototype.get_buffer = SyncBuffer.prototype.get_buffer;
SyncFileBuffer.prototype.get_state = SyncBuffer.prototype.get_state;
SyncFileBuffer.prototype.set_state = SyncBuffer.prototype.set_state;
/**
* Asynchronous access to File, loading blocks from the input type=file