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splitting CreateZipFromFiles into GetZip

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Kulikova Svetlana
2021-04-22 17:53:52 +03:00
parent 166564dc6e
commit aeae070e20
1 changed files with 30 additions and 21 deletions
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51
OfficeUtils/js/wasm/js/zlib.js
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@ -144,26 +144,25 @@ function Zlib()
this.paths = [];
this.files = [];
this.CreateZipFromFiles = function(_files)
this.GetZip = function()
{
if (!this.isInit) return null;
if (this.zipFile) this.CloseZip();
this.zipFile = Module["_Zlib_Create"]();
this.paths = [];
this.files = [];
if (!this.isInit) return null;
if (!this.zipFile) return null;
if (this.files.length == 0)
this.GetFilesInZip();
// вычисление длины дерева
var _paths = [];
var nLength = 4;
for (var i = 0; i < _files.length; i++)
for (var i = 0; i < this.files.length; i++)
{
_paths.push(allocString(_files[i].path));
_paths.push(allocString(this.files[i].path));
nLength += 4;
nLength += _paths[i].length;
this.paths.push(_files[i].path)
nLength += 4;
nLength += _files[i].length;
this.files.push(_files[i]);
nLength += this.files[i].length;
}
// создание дерева файлов
var tmpBuffer = new Uint8Array(nLength);
@ -174,7 +173,7 @@ function Zlib()
(nLength >> 24) & 0xFF
], 0);
var index = 4;
for (var i = 0; i < _files.length; i++)
for (var i = 0; i < this.files.length; i++)
{
tmpBuffer.set([
(_paths[i].length >> 0) & 0xFF,
@ -187,14 +186,14 @@ function Zlib()
index += _paths[i].length;
tmpBuffer.set([
(_files[i].length >> 0) & 0xFF,
(_files[i].length >> 8) & 0xFF,
(_files[i].length >> 16) & 0xFF,
(_files[i].length >> 24) & 0xFF
(this.files[i].length >> 0) & 0xFF,
(this.files[i].length >> 8) & 0xFF,
(this.files[i].length >> 16) & 0xFF,
(this.files[i].length >> 24) & 0xFF
], index);
index += 4;
tmpBuffer.set(_files[i].file, index);
index += _files[i].length;
tmpBuffer.set(this.files[i].file, index);
index += this.files[i].length;
}
var pointer = Module["_Zlib_Malloc"](tmpBuffer.length);
@ -205,6 +204,18 @@ function Zlib()
var zip = new Uint8Array(Module["HEAP8"].buffer, pointerZip + 4, len);
return zip;
}
this.CreateZipFromFiles = function(_files)
{
if (!this.isInit) return null;
if (this.zipFile) this.CloseZip();
this.zipFile = Module["_Zlib_Create"]();
for (var i = 0; i < _files.length; i++)
{
this.paths.push(_files[i].path);
this.files.push(_files[i]);
}
}
this.AddFileInZip = function(_file)
{
@ -213,9 +224,7 @@ function Zlib()
var _files = this.GetFilesInZip();
var findFile = _files.find(o => o === _file);
if (!findFile) _files.push(_file);
this.CreateZipFromFiles(_files);
findFile = this.files.find(o => o === _file);
return !!findFile;
return true;
}
this.GetPathsInZip = function()