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SerializeCommonWordExcel.js
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/*
* (c) Copyright Ascensio System SIA 2010-2024
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
"use strict";
(function(window, undefined){
//зависимости
//stream
//memory
//c_oAscChartType
//todo
//BinaryCommonWriter
function inherit(proto) {
function F() {}
F.prototype = proto;
return new F;
}
if (!Object.create || !Object['create']) Object['create'] = Object.create = inherit;
var c_oSerConstants = {
ErrorFormat: -2,
ErrorUnknown: -1,
ReadOk:0,
ReadUnknown:1,
ErrorStream:0x55
};
var c_oSerPropLenType = {
Null:0,
Byte:1,
Short:2,
Three:3,
Long:4,
Double:5,
Variable:6,
Double64: 7,
Long64: 8
};
var c_oSer_ColorObjectType =
{
Rgb: 0,
Type: 1,
Theme: 2,
Tint: 3
};
var c_oSer_ColorType =
{
Auto: 0
};
var c_oSerBorderType = {
Color: 0,
Space: 1,
Size: 2,
Value: 3,
ColorTheme: 4,
SpacePoint: 5,
Size8Point: 6,
ValueType: 7
};
var c_oSerBordersType = {
left: 0,
top: 1,
right: 2,
bottom: 3,
insideV: 4,
insideH: 5,
start: 6,
end: 7,
tl2br: 8,
tr2bl: 9,
bar: 10,
between: 11
};
var c_oSerPaddingType = {
left: 0,
top: 1,
right: 2,
bottom: 3,
leftTwips: 4,
topTwips: 5,
rightTwips: 6,
bottomTwips: 7
};
var c_oSerShdType = {
Value: 0,
Color: 1,
ColorTheme: 2,
Fill: 3,
FillTheme: 4
};
var c_oSer_ColorThemeType = {
Auto: 0,
Color: 1,
Tint: 2,
Shade: 3
};
var c_oSerBookmark = {
Id: 0,
Name: 1,
DisplacedByCustomXml: 2,
ColFirst: 3,
ColLast: 4
};
var c_nodeAttribute = {
nodeAttributeStart: 0xFA,
nodeAttributeEnd: 0xFB
};
var c_oSerAlgorithmNameTypes = {
MD2: 1,
MD4: 2,
MD5: 3,
RIPEMD_128: 4,
RIPEMD_160: 5,
SHA_1: 6,
SHA_256: 7,
SHA_384: 8,
SHA_512: 9,
WHIRLPOOL: 10
};
var c_oSerCryptAlgorithmSid = {
MD2: 1,
MD4: 2,
MD5: 3,
SHA_1: 4,
MAC: 5,
RIPEMD: 6,
RIPEMD_160: 7,
//SHA_384: 8,
HMAC: 9,
SHA_256: 12,
SHA_384: 13,
SHA_512: 14,
};
function BinaryCommonWriter(memory)
{
this.memory = memory;
}
BinaryCommonWriter.prototype.WriteItem = function(type, fWrite)
{
//type
this.memory.WriteByte(type);
this.WriteItemWithLength(fWrite);
};
BinaryCommonWriter.prototype.WriteItemStart = function(type, fWrite)
{
this.memory.WriteByte(type);
return this.WriteItemWithLengthStart(fWrite);
};
BinaryCommonWriter.prototype.WriteItemEnd = function(nStart)
{
this.WriteItemWithLengthEnd(nStart);
};
BinaryCommonWriter.prototype.WriteItemWithLength = function(fWrite)
{
var nStart = this.WriteItemWithLengthStart();
fWrite();
this.WriteItemWithLengthEnd(nStart);
};
BinaryCommonWriter.prototype.WriteItemWithLengthStart = function()
{
//Запоминаем позицию чтобы в конце записать туда длину
var nStart = this.memory.GetCurPosition();
this.memory.Skip(4);
return nStart;
};
BinaryCommonWriter.prototype.WriteItemWithLengthEnd = function(nStart)
{
//Length
var nEnd = this.memory.GetCurPosition();
this.memory.Seek(nStart);
this.memory.WriteLong(nEnd - nStart - 4);
this.memory.Seek(nEnd);
};
BinaryCommonWriter.prototype.WriteBorder = function(border)
{
var _this = this;
if(null != border.Value)
{
var color = null;
if (null != border.Color)
color = border.Color;
else if (null != border.Unifill) {
var doc = window.editor.WordControl.m_oLogicDocument;
border.Unifill.check(doc.Get_Theme(), doc.Get_ColorMap());
var RGBA = border.Unifill.getRGBAColor();
color = new window['AscCommonWord'].CDocumentColor(RGBA.R, RGBA.G, RGBA.B);
}
if (null != color && !color.Auto)
this.WriteColor(c_oSerBorderType.Color, color);
if (null != border.Space) {
this.memory.WriteByte(c_oSerBorderType.SpacePoint);
this.memory.WriteByte(c_oSerPropLenType.Long);
this.memory.WriteLong(border.getSpaceInPoint());
}
if (null != border.Size) {
this.memory.WriteByte(c_oSerBorderType.Size8Point);
this.memory.WriteByte(c_oSerPropLenType.Long);
this.memory.WriteLong(border.getSizeIn8Point());
}
if (null != border.Unifill || (null != border.Color && border.Color.Auto)) {
this.memory.WriteByte(c_oSerBorderType.ColorTheme);
this.memory.WriteByte(c_oSerPropLenType.Variable);
this.WriteItemWithLength(function () { _this.WriteColorTheme(border.Unifill, border.Color); });
}
this.memory.WriteByte(c_oSerBorderType.Value);
this.memory.WriteByte(c_oSerPropLenType.Byte);
this.memory.WriteByte(border.Value);
this.memory.WriteByte(c_oSerBorderType.ValueType);
this.memory.WriteByte(c_oSerPropLenType.Long);
this.memory.WriteLong(border.getValue());
}
};
BinaryCommonWriter.prototype.WriteBorders = function(Borders)
{
var oThis = this;
//Left
if(null != Borders.Left)
this.WriteItem(c_oSerBordersType.left, function(){oThis.WriteBorder(Borders.Left);});
//Top
if(null != Borders.Top)
this.WriteItem(c_oSerBordersType.top, function(){oThis.WriteBorder(Borders.Top);});
//Right
if(null != Borders.Right)
this.WriteItem(c_oSerBordersType.right, function(){oThis.WriteBorder(Borders.Right);});
//Bottom
if(null != Borders.Bottom)
this.WriteItem(c_oSerBordersType.bottom, function(){oThis.WriteBorder(Borders.Bottom);});
//InsideV
if(null != Borders.InsideV)
this.WriteItem(c_oSerBordersType.insideV, function(){oThis.WriteBorder(Borders.InsideV);});
//InsideH
if(null != Borders.InsideH)
this.WriteItem(c_oSerBordersType.insideH, function(){oThis.WriteBorder(Borders.InsideH);});
//Between
if(null != Borders.Between)
this.WriteItem(c_oSerBordersType.between, function(){oThis.WriteBorder(Borders.Between);});
};
BinaryCommonWriter.prototype.WriteColor = function(type, color)
{
if (color instanceof AscWord.CDocumentColorA)
{
this.memory.WriteByte(type);
this.memory.WriteByte(c_oSerPropLenType.Long);
this.memory.WriteByte(color.a);
this.memory.WriteByte(color.r);
this.memory.WriteByte(color.g);
this.memory.WriteByte(color.b);
}
else
{
this.memory.WriteByte(type);
this.memory.WriteByte(c_oSerPropLenType.Three);
this.memory.WriteByte(color.r);
this.memory.WriteByte(color.g);
this.memory.WriteByte(color.b);
}
};
BinaryCommonWriter.prototype.WriteShd = function(Shd)
{
var _this = this;
//Value
if(null != Shd.Value)
{
this.memory.WriteByte(c_oSerShdType.Value);
this.memory.WriteByte(c_oSerPropLenType.Byte);
this.memory.WriteByte(Shd.Value);
}
//Value
var color = null;
if (null != Shd.Color)
color = Shd.Color;
else if (null != Shd.Unifill) {
var doc = editor.WordControl.m_oLogicDocument;
Shd.Unifill.check(doc.Get_Theme(), doc.Get_ColorMap());
var RGBA = Shd.Unifill.getRGBAColor();
color = new AscCommonWord.CDocumentColor(RGBA.R, RGBA.G, RGBA.B);
}
var fill = null;
if (null != Shd.Fill)
fill = Shd.Fill;
else if (null != Shd.ThemeFill) {
var doc = editor.WordControl.m_oLogicDocument;
Shd.ThemeFill.check(doc.Get_Theme(), doc.Get_ColorMap());
var RGBA = Shd.ThemeFill.getRGBAColor();
fill = new AscCommonWord.CDocumentColor(RGBA.R, RGBA.G, RGBA.B);
}
if (null != color && !color.Auto)
this.WriteColor(c_oSerShdType.Color, color);
if (null != fill && !fill.Auto)
this.WriteColor(c_oSerShdType.Fill, fill);
if(Shd.Unifill || (Shd.Color && Shd.Color.Auto))
{
this.memory.WriteByte(c_oSerShdType.ColorTheme);
this.memory.WriteByte(c_oSerPropLenType.Variable);
this.WriteItemWithLength(function()
{
_this.WriteColorTheme(Shd.Unifill, Shd.Color);
});
}
if (Shd.ThemeFill || (Shd.Fill && Shd.Fill.Auto))
{
this.memory.WriteByte(c_oSerShdType.FillTheme);
this.memory.WriteByte(c_oSerPropLenType.Variable);
this.WriteItemWithLength(function()
{
_this.WriteColorTheme(Shd.ThemeFill, Shd.Fill);
});
}
};
BinaryCommonWriter.prototype.WritePaddings = function(Paddings)
{
//left
if(null != Paddings.L)
{
this.memory.WriteByte(c_oSerPaddingType.leftTwips);
this.memory.WriteByte(c_oSerPropLenType.Long);
this.writeMmToTwips(Paddings.L);
}
//top
if(null != Paddings.T)
{
this.memory.WriteByte(c_oSerPaddingType.topTwips);
this.memory.WriteByte(c_oSerPropLenType.Long);
this.writeMmToTwips(Paddings.T);
}
//Right
if(null != Paddings.R)
{
this.memory.WriteByte(c_oSerPaddingType.rightTwips);
this.memory.WriteByte(c_oSerPropLenType.Long);
this.writeMmToTwips(Paddings.R);
}
//bottom
if(null != Paddings.B)
{
this.memory.WriteByte(c_oSerPaddingType.bottomTwips);
this.memory.WriteByte(c_oSerPropLenType.Long);
this.writeMmToTwips(Paddings.B);
}
};
BinaryCommonWriter.prototype.WriteColorSpreadsheet = function(color)
{
if (!color) {
this.memory.WriteByte(c_oSer_ColorObjectType.Type);
this.memory.WriteByte(c_oSerPropLenType.Byte);
this.memory.WriteByte(c_oSer_ColorType.Auto);
return;
}
if(color instanceof AscCommonExcel.ThemeColor)
{
if(null != color.theme)
{
this.memory.WriteByte(c_oSer_ColorObjectType.Theme);
this.memory.WriteByte(c_oSerPropLenType.Byte);
this.memory.WriteByte(color.theme);
}
if(null != color.tint)
{
this.memory.WriteByte(c_oSer_ColorObjectType.Tint);
this.memory.WriteByte(c_oSerPropLenType.Double);
this.memory.WriteDouble2(color.tint);
}
}
else
{
this.memory.WriteByte(c_oSer_ColorObjectType.Rgb);
this.memory.WriteByte(c_oSerPropLenType.Long);
this.memory.WriteLong(color.getRgb());
}
};
BinaryCommonWriter.prototype.WriteColorTheme = function(unifill, color)
{
if(null != color && color.Auto){
this.memory.WriteByte(c_oSer_ColorThemeType.Auto);
this.memory.WriteByte(c_oSerPropLenType.Null);
}
var obj = AscCommonWord.CreateFromThemeUnifill(unifill);
if (null !== obj.Color) {
this.memory.WriteByte(c_oSer_ColorThemeType.Color);
this.memory.WriteByte(c_oSerPropLenType.Byte);
this.memory.WriteByte(obj.Color);
}
if (null !== obj.Tint) {
this.memory.WriteByte(c_oSer_ColorThemeType.Tint);
this.memory.WriteByte(c_oSerPropLenType.Byte);
this.memory.WriteByte(obj.Tint);
}
if (null !== obj.Shade) {
this.memory.WriteByte(c_oSer_ColorThemeType.Shade);
this.memory.WriteByte(c_oSerPropLenType.Byte);
this.memory.WriteByte(obj.Shade);
}
};
BinaryCommonWriter.prototype.WriteBookmark = function(bookmark) {
var oThis = this;
if (null !== bookmark.BookmarkId) {
this.WriteItem(c_oSerBookmark.Id, function() {
oThis.memory.WriteLong(bookmark.BookmarkId);
});
}
if (bookmark.IsStart() && null !== bookmark.BookmarkName) {
this.memory.WriteByte(c_oSerBookmark.Name);
this.memory.WriteString2(bookmark.BookmarkName);
}
};
BinaryCommonWriter.prototype.mmToTwips = function(val) {
return Math.round(AscCommonWord.g_dKoef_mm_to_twips * val);
};
BinaryCommonWriter.prototype.writeMmToTwips = function(val) {
return this.memory.WriteLong(this.mmToTwips(val));
};
BinaryCommonWriter.prototype.writeMmToPt = function(val) {
return this.memory.WriteLong(Math.round(AscCommonWord.g_dKoef_mm_to_pt * val));
};
BinaryCommonWriter.prototype.writeMmToEmu = function(val) {
return this.memory.WriteLong(Math.round(AscCommonWord.g_dKoef_mm_to_emu * val));
};
BinaryCommonWriter.prototype.writeMmToUEmu = function(val) {
return this.memory.WriteULong(Math.round(AscCommonWord.g_dKoef_mm_to_emu * val));
};
function Binary_CommonReader(stream)
{
this.stream = stream;
}
Binary_CommonReader.prototype.ReadTable = function(fReadContent)
{
var res = c_oSerConstants.ReadOk;
//stLen
res = this.stream.EnterFrame(4);
if(c_oSerConstants.ReadOk != res)
return res;
var stLen = this.stream.GetULongLE();
//Смотрим есть ли данные под всю таблицу в дальнейшем спокойно пользуемся get функциями
res = this.stream.EnterFrame(stLen);
if(c_oSerConstants.ReadOk != res)
return res;
return this.Read1(stLen, fReadContent);
};
Binary_CommonReader.prototype.Read1 = function(stLen, fRead)
{
var res = c_oSerConstants.ReadOk;
var stCurPos = 0;
while(stCurPos < stLen)
{
this.stream.bLast = false;
//stItem
var type = this.stream.GetUChar();
var length = this.stream.GetULongLE();
if (stCurPos + length + 5 >= stLen)
this.stream.bLast = true;
res = fRead(type, length);
if(res === c_oSerConstants.ReadUnknown)
{
res = this.stream.Skip2(length);
if(c_oSerConstants.ReadOk != res)
return res;
}
else if(res !== c_oSerConstants.ReadOk)
return res;
stCurPos += length + 5;
}
return res;
};
Binary_CommonReader.prototype.Read2 = function(stLen, fRead)
{
var res = c_oSerConstants.ReadOk;
var stCurPos = 0;
while(stCurPos < stLen)
{
//stItem
var type = this.stream.GetUChar();
var lenType = this.stream.GetUChar();
var nCurPosShift = 2;
var nRealLen;
switch(lenType)
{
case c_oSerPropLenType.Null: nRealLen = 0;break;
case c_oSerPropLenType.Byte: nRealLen = 1;break;
case c_oSerPropLenType.Short: nRealLen = 2;break;
case c_oSerPropLenType.Three: nRealLen = 3;break;
case c_oSerPropLenType.Long:
case c_oSerPropLenType.Double: nRealLen = 4;break;
case c_oSerPropLenType.Double64: nRealLen = 8;break;
case c_oSerPropLenType.Long: nRealLen = 8;break;
case c_oSerPropLenType.Variable:
nRealLen = this.stream.GetULongLE();
nCurPosShift += 4;
break;
default:return c_oSerConstants.ErrorUnknown;
}
res = fRead(type, nRealLen);
if(res === c_oSerConstants.ReadUnknown)
{
res = this.stream.Skip2(nRealLen);
if(c_oSerConstants.ReadOk != res)
return res;
}
else if(res !== c_oSerConstants.ReadOk)
return res;
stCurPos += nRealLen + nCurPosShift;
}
return res;
};
Binary_CommonReader.prototype.Read2Spreadsheet = function(stLen, fRead)
{
var res = c_oSerConstants.ReadOk;
var stCurPos = 0;
while(stCurPos < stLen)
{
//stItem
var type = this.stream.GetUChar();
var lenType = this.stream.GetUChar();
var nCurPosShift = 2;
var nRealLen;
switch(lenType)
{
case c_oSerPropLenType.Null: nRealLen = 0;break;
case c_oSerPropLenType.Byte: nRealLen = 1;break;
case c_oSerPropLenType.Short: nRealLen = 2;break;
case c_oSerPropLenType.Three: nRealLen = 3;break;
case c_oSerPropLenType.Long: nRealLen = 4;break;
case c_oSerPropLenType.Double: nRealLen = 8;break;
case c_oSerPropLenType.Double64: nRealLen = 8;break;
case c_oSerPropLenType.Long: nRealLen = 8;break;
case c_oSerPropLenType.Variable:
nRealLen = this.stream.GetULongLE();
nCurPosShift += 4;
break;
default:return c_oSerConstants.ErrorUnknown;
}
res = fRead(type, nRealLen);
if(res === c_oSerConstants.ReadUnknown)
{
res = this.stream.Skip2(nRealLen);
if(c_oSerConstants.ReadOk != res)
return res;
}
else if(res !== c_oSerConstants.ReadOk)
return res;
stCurPos += nRealLen + nCurPosShift;
}
return res;
};
Binary_CommonReader.prototype.ReadDouble = function()
{
var dRes = 0.0;
dRes |= this.stream.GetUChar();
dRes |= this.stream.GetUChar() << 8;
dRes |= this.stream.GetUChar() << 16;
dRes |= this.stream.GetUChar() << 24;
dRes /= 100000;
return dRes;
};
Binary_CommonReader.prototype.ReadColor = function(length)
{
if (length && 4 === length)
{
let a = this.stream.GetUChar();
let r = this.stream.GetUChar();
let g = this.stream.GetUChar();
let b = this.stream.GetUChar();
return new AscWord.CDocumentColorA(r, g, b, a);
}
else
{
let r = this.stream.GetUChar();
let g = this.stream.GetUChar();
let b = this.stream.GetUChar();
return new AscWord.CDocumentColor(r, g, b);
}
};
Binary_CommonReader.prototype.ReadShd = function(type, length, Shd, themeColor, themeFill)
{
var res = c_oSerConstants.ReadOk;
var oThis = this;
switch(type)
{
case c_oSerShdType.Value: Shd.Value = this.stream.GetUChar();break;
case c_oSerShdType.Color: Shd.Color = this.ReadColor(length);break;
case c_oSerShdType.ColorTheme:
res = this.Read2(length, function(t, l){
return oThis.ReadColorTheme(t, l, themeColor);
});
break;
case c_oSerShdType.Fill:
Shd.Fill = this.ReadColor(length);
break;
case c_oSerShdType.FillTheme:
res = this.Read2(length, function(t, l){
return oThis.ReadColorTheme(t, l, themeFill);
});
break;
default:
res = c_oSerConstants.ReadUnknown;
break;
}
return res;
};
Binary_CommonReader.prototype.ReadColorSpreadsheet = function(type, length, color)
{
var res = c_oSerConstants.ReadOk;
if ( c_oSer_ColorObjectType.Type == type )
color.auto = (c_oSer_ColorType.Auto == this.stream.GetUChar());
else if ( c_oSer_ColorObjectType.Rgb == type )
color.rgb = 0xffffff & this.stream.GetULongLE();
else if ( c_oSer_ColorObjectType.Theme == type )
color.theme = this.stream.GetUChar();
else if ( c_oSer_ColorObjectType.Tint == type )
color.tint = this.stream.GetDoubleLE();
else
res = c_oSerConstants.ReadUnknown;
return res;
};
Binary_CommonReader.prototype.ReadColorTheme = function(type, length, color)
{
var res = c_oSerConstants.ReadOk;
if ( c_oSer_ColorThemeType.Auto == type )
color.Auto = true;
else if ( c_oSer_ColorThemeType.Color == type )
color.Color = this.stream.GetByte();
else if ( c_oSer_ColorThemeType.Tint == type )
color.Tint = this.stream.GetByte();
else if ( c_oSer_ColorThemeType.Shade == type )
color.Shade = this.stream.GetByte();
else
res = c_oSerConstants.ReadUnknown;
return res;
};
Binary_CommonReader.prototype.ReadBookmark = function(type, length, bookmark) {
var res = c_oSerConstants.ReadOk;
if (c_oSerBookmark.Id === type) {
bookmark.BookmarkId = this.stream.GetULongLE();
} else if (c_oSerBookmark.Name === type) {
bookmark.BookmarkName = this.stream.GetString2LE(length);
} else {
res = c_oSerConstants.ReadUnknown;
}
return res;
};
/** @constructor */
function FT_Stream2(data, size) {
this.obj = null;
this.data = data;
this.size = size;
this.pos = 0;
this.cur = 0;
this.bLast = false;
}
FT_Stream2.prototype.Seek = function(_pos) {
if (_pos > this.size)
return c_oSerConstants.ErrorStream;
this.pos = _pos;
return c_oSerConstants.ReadOk;
};
FT_Stream2.prototype.Seek2 = function(_cur) {
if (_cur > this.size)
return c_oSerConstants.ErrorStream;
this.cur = _cur;
return c_oSerConstants.ReadOk;
};
FT_Stream2.prototype.Skip = function(_skip) {
if (_skip < 0)
return c_oSerConstants.ErrorStream;
return this.Seek(this.pos + _skip);
};
FT_Stream2.prototype.Skip2 = function(_skip) {
if (_skip < 0)
return c_oSerConstants.ErrorStream;
return this.Seek2(this.cur + _skip);
};
FT_Stream2.prototype.SkipRecord = function() {
var _len = this.GetULong();
this.Skip2(_len);
};
// 1 bytes
FT_Stream2.prototype.GetUChar = function() {
if (this.cur >= this.size)
return 0;
return this.data[this.cur++];
};
FT_Stream2.prototype.GetChar = function() {
if (this.cur >= this.size)
return 0;
var m = this.data[this.cur++];
if (m > 127)
m -= 256;
return m;
};
FT_Stream2.prototype.GetByte = function() {
return this.GetUChar();
};
FT_Stream2.prototype.GetBool = function() {
var Value = this.GetUChar();
return ( Value == 0 ? false : true );
};
// 2 byte
FT_Stream2.prototype.GetUShortLE = function() {
if (this.cur + 1 >= this.size)
return 0;
return (this.data[this.cur++] | this.data[this.cur++] << 8);
};
FT_Stream2.prototype.GetShortLE = function() {
return AscFonts.FT_Common.UShort_To_Short(this.GetUShortLE());
}
// 4 byte
FT_Stream2.prototype.GetULongLE = function() {
if (this.cur + 3 >= this.size)
return 0;
return (this.data[this.cur++] | this.data[this.cur++] << 8 | this.data[this.cur++] << 16 | this.data[this.cur++] << 24);
};
FT_Stream2.prototype.GetLongLE = function() {
return AscFonts.FT_Common.UintToInt(this.GetULongLE());
};
FT_Stream2.prototype.GetLong = function() {
return this.GetULongLE();
};
FT_Stream2.prototype.GetULong = function() {
return this.GetULongLE();
}
var tempHelp = new ArrayBuffer(8);
var tempHelpUnit = new Uint8Array(tempHelp);
var tempHelpFloat = new Float64Array(tempHelp);
FT_Stream2.prototype.GetDoubleLE = function() {
if (this.cur + 7 >= this.size)
return 0;
tempHelpUnit[0] = this.GetUChar();
tempHelpUnit[1] = this.GetUChar();
tempHelpUnit[2] = this.GetUChar();
tempHelpUnit[3] = this.GetUChar();
tempHelpUnit[4] = this.GetUChar();
tempHelpUnit[5] = this.GetUChar();
tempHelpUnit[6] = this.GetUChar();
tempHelpUnit[7] = this.GetUChar();
return tempHelpFloat[0];
var arr = [];
for(var i = 0; i < 8; ++i)
arr.push(this.GetUChar());
return this.doubleDecodeLE754(arr);
};
FT_Stream2.prototype.doubleDecodeLE754 = function(a) {
var s, e, m, i, d, nBits, mLen, eLen, eBias, eMax;
var el = {len:8, mLen:52, rt:0};
mLen = el.mLen, eLen = el.len*8-el.mLen-1, eMax = (1<<eLen)-1, eBias = eMax>>1;
i = (el.len-1); d = -1; s = a[i]; i+=d; nBits = -7;
for (e = s&((1<<(-nBits))-1), s>>=(-nBits), nBits += eLen; nBits > 0; e=e*256+a[i], i+=d, nBits-=8);
for (m = e&((1<<(-nBits))-1), e>>=(-nBits), nBits += mLen; nBits > 0; m=m*256+a[i], i+=d, nBits-=8);
switch (e)
{
case 0:
// Zero, or denormalized number
e = 1-eBias;
break;
case eMax:
// NaN, or +/-Infinity
return m?NaN:((s?-1:1)*Infinity);
default:
// Normalized number
m = m + Math.pow(2, mLen);
e = e - eBias;
break;
}
return (s?-1:1) * m * Math.pow(2, e-mLen);
};
// 3 byte
FT_Stream2.prototype.GetUOffsetLE = function() {
if (this.cur + 2 >= this.size)
return c_oSerConstants.ReadOk;
return (this.data[this.cur++] | this.data[this.cur++] << 8 | this.data[this.cur++] << 16);
};
FT_Stream2.prototype.GetString2 = function() {
var Len = this.GetLong();
return this.GetString2LE(Len);
};
//String
FT_Stream2.prototype.GetString2LE = function(len) {
if (this.cur + len > this.size)
return "";
var a = [];
for (var i = 0; i + 1 < len; i+=2)
a.push(String.fromCharCode(this.data[this.cur + i] | this.data[this.cur + i + 1] << 8));
this.cur += len;
return a.join("");
};
FT_Stream2.prototype.GetString = function() {
var Len = this.GetLong();
if (this.cur + 2 * Len > this.size)
return "";
var t = "";
for (var i = 0; i + 1 < 2 * Len; i+=2) {
var uni = this.data[this.cur + i];
uni |= this.data[this.cur + i + 1] << 8;
t += String.fromCharCode(uni);
}
this.cur += 2 * Len;
return t;
};
FT_Stream2.prototype.GetString2A = function() {
var len = this.GetULong();
return this.GetString1(len);
}
FT_Stream2.prototype.GetString1 = function(len) {
if (this.cur + len > this.size)
return "";
var t = "";
for (var i = 0; i < len; i++)
{
var _c = this.data[this.cur + i];
if (_c == 0)
continue;
t += String.fromCharCode(_c);
}
this.cur += len;
return t;
}
FT_Stream2.prototype.GetCurPos = function() {
return this.cur;
};
FT_Stream2.prototype.GetSize = function() {
return this.size;
};
FT_Stream2.prototype.EnterFrame = function(count) {
if (this.size - this.pos < count)
return c_oSerConstants.ErrorStream;
this.cur = this.pos;
this.pos += count;
return c_oSerConstants.ReadOk;
};
FT_Stream2.prototype.GetDouble = function() {
var dRes = 0.0;
dRes |= this.GetUChar();
dRes |= this.GetUChar() << 8;
dRes |= this.GetUChar() << 16;
dRes |= this.GetUChar() << 24;
dRes /= 100000;
return dRes;
};
FT_Stream2.prototype.GetBuffer = function(length) {
var res = new Array(length);
for(var i = 0 ; i < length ;++i){
res[i] = this.data[this.cur++]
}
return res;
};
FT_Stream2.prototype.GetBufferUint8 = function(length) {
let pos = this.GetCurPos();
return this.data.slice(pos, pos + length);
};
FT_Stream2.prototype.ToFileStream = function() {
var res = new AscCommon.FileStream();
this.ToFileStream2(res);
return res;
};
FT_Stream2.prototype.ToFileStream2 = function(stream) {
stream.obj = this.obj;
stream.data = this.data;
stream.size = this.size;
stream.pos = this.pos;
stream.cur = this.cur;
};
FT_Stream2.prototype.FromFileStream = function(stream) {
this.obj = stream.obj;
this.data = stream.data;
this.size = stream.size;
this.pos = stream.pos;
this.cur = stream.cur;
};
FT_Stream2.prototype.XlsbReadRecordType = function() {
var nValue = this.GetUChar();
if(0 != (nValue & 0x80))
{
var nPart = this.GetUChar();
nValue = (nValue & 0x7F) | ((nPart & 0x7F) << 7);
}
return nValue;
};
FT_Stream2.prototype.XlsbSkipRecord = function() {
this.Skip2(this.XlsbReadRecordLength());
};
FT_Stream2.prototype.XlsbReadRecordLength = function() {
var nValue = 0;
for (var i = 0; i < 4; ++i)
{
var nPart = this.GetUChar();
nValue |= (nPart & 0x7F) << (7 * i);
if(0 == (nPart & 0x80))
{
break;
}
}
return nValue;
};
var gc_nMaxRow = 1048576;
var gc_nMaxCol = 16384;
var gc_nMaxRow0 = gc_nMaxRow - 1;
var gc_nMaxCol0 = gc_nMaxCol - 1;
/**
* @constructor
*/
function CellAddressUtils(){
this._oCodeA = 'A'.charCodeAt(0);
this._aColnumToColstr = [];
this.oCellAddressCache = {};
this.colnumToColstrFromWsView = function (col) {
var sResult = this._aColnumToColstr[col];
if (null != sResult)
return sResult;
if(col == 0) return "";
var col0 = col - 1;
var text = String.fromCharCode(65 + (col0 % 26));
return (this._aColnumToColstr[col] = (col0 < 26 ? text : this.colnumToColstrFromWsView(Math.floor(col0 / 26)) + text));
};
this.colnumToColstr = function(num){
var sResult = this._aColnumToColstr[num];
if(!sResult){
// convert 1 to A, 2 to B, ..., 27 to AA etc.
sResult = "";
if(num > 0){
var columnNumber = num;
var currentLetterNumber;
while(columnNumber > 0){
currentLetterNumber = (columnNumber - 1) % 26;
sResult = String.fromCharCode(currentLetterNumber + 65) + sResult;
columnNumber = (columnNumber - (currentLetterNumber + 1)) / 26;
}
}
this._aColnumToColstr[num] = sResult;
}
return sResult;
};
this.colstrToColnum = function(col_str) {
//convert A to 1; AA to 27
var col_num = 0;
for (var i = 0; i < col_str.length; ++i)
col_num = 26 * col_num + (col_str.charCodeAt(i) - this._oCodeA + 1);
return col_num;
};
this.getCellId = function(row, col){
return g_oCellAddressUtils.colnumToColstr(col + 1) + (row + 1);
};
this.getCellAddress = function(sId)
{
var oRes = this.oCellAddressCache[sId];
if(null == oRes)
{
oRes = new CellAddress(sId);
this.oCellAddressCache[sId] = oRes;
}
return oRes;
};
}
var g_oCellAddressUtils = new CellAddressUtils();