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C# ZipFile.WriteLocalEntryHeader方法代码示例

本文整理汇总了C#中ICSharpCode.SharpZipLib.Zip.ZipFile.WriteLocalEntryHeader方法的典型用法代码示例。如果您正苦于以下问题:C# ZipFile.WriteLocalEntryHeader方法的具体用法?C# ZipFile.WriteLocalEntryHeader怎么用?C# ZipFile.WriteLocalEntryHeader使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ICSharpCode.SharpZipLib.Zip.ZipFile的用法示例。


在下文中一共展示了ZipFile.WriteLocalEntryHeader方法的11个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: CopyEntryDirect

		void CopyEntryDirect(ZipFile workFile, ZipUpdate update, ref long destinationPosition)
		{
			bool skipOver = false;
			if ( update.Entry.Offset == destinationPosition ) {
				skipOver = true;
			}

			if ( !skipOver ) {
				baseStream_.Position = destinationPosition;
				workFile.WriteLocalEntryHeader(update);
				destinationPosition = baseStream_.Position;
			}

			long sourcePosition = 0;

			const int NameLengthOffset = 26;

			// TODO: Add base for SFX friendly handling
			long entryDataOffset = update.Entry.Offset + NameLengthOffset;

			baseStream_.Seek(entryDataOffset, SeekOrigin.Begin);

			// Clumsy way of handling retrieving the original name and extra data length for now.
			// TODO: Stop re-reading name and data length in CopyEntryDirect.
			uint nameLength = ReadLEUshort();
			uint extraLength = ReadLEUshort();

			sourcePosition = baseStream_.Position + nameLength + extraLength;

			if (skipOver) {
				if (update.OffsetBasedSize != -1)
					destinationPosition += update.OffsetBasedSize;
				else
					// TODO: Find out why this calculation comes up 4 bytes short on some entries in ODT (Office Document Text) archives.
					// WinZip produces a warning on these entries:
					// "caution: value of lrec.csize (compressed size) changed from ..."
					destinationPosition +=
						(sourcePosition - entryDataOffset) + NameLengthOffset +	// Header size
						update.Entry.CompressedSize + GetDescriptorSize(update);
			}
			else {
				if ( update.Entry.CompressedSize > 0 ) {
					CopyEntryDataDirect(update, baseStream_, false, ref destinationPosition, ref sourcePosition );
				}
				CopyDescriptorBytesDirect(update, baseStream_, ref destinationPosition, sourcePosition);
			}
		}
开发者ID:jamesbascle,项目名称:SharpZipLib,代码行数:47,代码来源:ZipFile.cs

示例2: CopyEntry

		void CopyEntry(ZipFile workFile, ZipUpdate update)
		{
			workFile.WriteLocalEntryHeader(update);

			if ( update.Entry.CompressedSize > 0 ) {
				const int NameLengthOffset = 26;

				long entryDataOffset = update.Entry.Offset + NameLengthOffset;

				// TODO: This wont work for SFX files!
				baseStream_.Seek(entryDataOffset, SeekOrigin.Begin);

				uint nameLength = ReadLEUshort();
				uint extraLength = ReadLEUshort();

				baseStream_.Seek(nameLength + extraLength, SeekOrigin.Current);

				CopyBytes(update, workFile.baseStream_, baseStream_, update.Entry.CompressedSize, false);
			}
			CopyDescriptorBytes(update, workFile.baseStream_, baseStream_);
		}
开发者ID:jamesbascle,项目名称:SharpZipLib,代码行数:21,代码来源:ZipFile.cs

示例3: AddEntry

		void AddEntry(ZipFile workFile, ZipUpdate update)
		{
			Stream source = null;

			if ( update.Entry.IsFile ) {
				source = update.GetSource();
				
				if ( source == null ) {
					source = updateDataSource_.GetSource(update.Entry, update.Filename);
				}
			}

			if ( source != null ) {
				using ( source ) {
					long sourceStreamLength = source.Length;
					if ( update.OutEntry.Size < 0 ) {
						update.OutEntry.Size = sourceStreamLength;
					}
					else {
						// Check for errant entries.
						if ( update.OutEntry.Size != sourceStreamLength ) {
							throw new ZipException("Entry size/stream size mismatch");
						}
					}

					workFile.WriteLocalEntryHeader(update);

					long dataStart = workFile.baseStream_.Position;

					using ( Stream output = workFile.GetOutputStream(update.OutEntry) ) {
						CopyBytes(update, output, source, sourceStreamLength, true);
					}

					long dataEnd = workFile.baseStream_.Position;
					update.OutEntry.CompressedSize = dataEnd - dataStart;

					if ((update.OutEntry.Flags & (int)GeneralBitFlags.Descriptor) == (int)GeneralBitFlags.Descriptor)
					{
						ZipHelperStream helper = new ZipHelperStream(workFile.baseStream_);
						helper.WriteDataDescriptor(update.OutEntry);
					}
				}
			}
			else {
				workFile.WriteLocalEntryHeader(update);
				update.OutEntry.CompressedSize = 0;
			}

		}
开发者ID:jamesbascle,项目名称:SharpZipLib,代码行数:49,代码来源:ZipFile.cs

示例4: ModifyEntry

		void ModifyEntry(ZipFile workFile, ZipUpdate update)
		{
			workFile.WriteLocalEntryHeader(update);
			long dataStart = workFile.baseStream_.Position;

			// TODO: This is slow if the changes don't effect the data!!
			if ( update.Entry.IsFile && (update.Filename != null) ) {
				using ( Stream output = workFile.GetOutputStream(update.OutEntry) ) {
					using ( Stream source = this.GetInputStream(update.Entry) ) {
						CopyBytes(update, output, source, source.Length, true);
					}
				}
			}

			long dataEnd = workFile.baseStream_.Position;
			update.Entry.CompressedSize = dataEnd - dataStart;
		}
开发者ID:jamesbascle,项目名称:SharpZipLib,代码行数:17,代码来源:ZipFile.cs

示例5: ModifyEntry

        private static void ModifyEntry(ZipFile workFile, ZipUpdate update)
        {
            workFile.WriteLocalEntryHeader(update);
            long dataStart = workFile.baseStream_.Position;

            long dataEnd = workFile.baseStream_.Position;
            update.Entry.CompressedSize = dataEnd - dataStart;
        }
开发者ID:rxantos,项目名称:tesv-snip,代码行数:8,代码来源:ZipFile.cs

示例6: CopyEntryDirect

        private void CopyEntryDirect(ZipFile workFile, ZipUpdate update, ref long destinationPosition)
        {
            bool skipOver = false;
            if (update.Entry.Offset == destinationPosition)
            {
                skipOver = true;
            }

            if (!skipOver)
            {
                baseStream_.Position = destinationPosition;
                workFile.WriteLocalEntryHeader(update);
                destinationPosition = baseStream_.Position;
            }

            long sourcePosition = 0;

            const int NameLengthOffset = 26;

            // TODO: Add base for SFX friendly handling
            long entryDataOffset = update.Entry.Offset + NameLengthOffset;

            baseStream_.Seek(entryDataOffset, SeekOrigin.Begin);

            // Clumsy way of handling retrieving the original name and extra data length for now.
            // TODO: Stop re-reading name and data length in CopyEntryDirect.
            uint nameLength = ReadLEUshort();
            uint extraLength = ReadLEUshort();

            sourcePosition = baseStream_.Position + nameLength + extraLength;

            if (skipOver)
            {
                destinationPosition +=
                    (sourcePosition - entryDataOffset) + NameLengthOffset + // Header size
                    update.Entry.CompressedSize + GetDescriptorSize(update);
            }
            else
            {
                if (update.Entry.CompressedSize > 0)
                {
                    CopyEntryDataDirect(update, baseStream_, false, ref destinationPosition, ref sourcePosition);
                }
                CopyDescriptorBytesDirect(update, baseStream_, ref destinationPosition, sourcePosition);
            }
        }
开发者ID:rxantos,项目名称:tesv-snip,代码行数:46,代码来源:ZipFile.cs

示例7: CopyEntryDirect

        void CopyEntryDirect(ZipFile workFile, ZipUpdate update, ref long destinationPosition)
        {
            bool skipOver = false;
            if ( update.Entry.Offset == destinationPosition ) {
                skipOver = true;
            }

            if ( !skipOver ) {
                baseStream_.Position = destinationPosition;
                workFile.WriteLocalEntryHeader(update);
                destinationPosition = baseStream_.Position;
            }

            long sourcePosition = 0;

            const int NameLengthOffset = 26;

            long entryDataOffset = update.Entry.Offset + NameLengthOffset;

            baseStream_.Seek(entryDataOffset, SeekOrigin.Begin);

            uint nameLength = ReadLEUshort();
            uint extraLength = ReadLEUshort();

            sourcePosition = baseStream_.Position + nameLength + extraLength;

            if ( skipOver ) {
                destinationPosition +=
                    (sourcePosition - entryDataOffset) + NameLengthOffset +
                    update.Entry.CompressedSize + GetDescriptorSize(update);
            }
            else {
                if ( update.Entry.CompressedSize > 0 ) {
                    CopyEntryDataDirect(update, baseStream_, false, ref destinationPosition, ref sourcePosition );
                }
                CopyDescriptorBytesDirect(update, baseStream_, ref destinationPosition, sourcePosition);
            }
        }
开发者ID:NoobSkie,项目名称:taobao-shop-helper,代码行数:38,代码来源:ZipFile.cs

示例8: ModifyEntry

 private void ModifyEntry(ZipFile workFile, ZipUpdate update)
 {
     workFile.WriteLocalEntryHeader(update);
     long position = workFile.baseStream_.Position;
     if (update.Entry.IsFile && (update.Filename != null))
     {
         using (Stream stream = workFile.GetOutputStream(update.OutEntry))
         {
             using (Stream stream2 = this.GetInputStream(update.Entry))
             {
                 this.CopyBytes(update, stream, stream2, stream2.Length, true);
             }
         }
     }
     long num2 = workFile.baseStream_.Position;
     update.Entry.CompressedSize = num2 - position;
 }
开发者ID:huaminglee,项目名称:myyyyshop,代码行数:17,代码来源:ZipFile.cs

示例9: CopyEntryDirect

 private void CopyEntryDirect(ZipFile workFile, ZipUpdate update, ref long destinationPosition)
 {
     bool flag = false;
     if (update.Entry.Offset == destinationPosition)
     {
         flag = true;
     }
     if (!flag)
     {
         this.baseStream_.Position = destinationPosition;
         workFile.WriteLocalEntryHeader(update);
         destinationPosition = this.baseStream_.Position;
     }
     long sourcePosition = 0L;
     long offset = update.Entry.Offset + 0x1aL;
     this.baseStream_.Seek(offset, SeekOrigin.Begin);
     uint num3 = this.ReadLEUshort();
     uint num4 = this.ReadLEUshort();
     sourcePosition = (this.baseStream_.Position + num3) + num4;
     if (flag)
     {
         if (update.OffsetBasedSize != -1L)
         {
             destinationPosition += update.OffsetBasedSize;
         }
         else
         {
             destinationPosition += (((sourcePosition - offset) + 0x1aL) + update.Entry.CompressedSize) + this.GetDescriptorSize(update);
         }
     }
     else
     {
         if (update.Entry.CompressedSize > 0L)
         {
             this.CopyEntryDataDirect(update, this.baseStream_, false, ref destinationPosition, ref sourcePosition);
         }
         this.CopyDescriptorBytesDirect(update, this.baseStream_, ref destinationPosition, sourcePosition);
     }
 }
开发者ID:huaminglee,项目名称:myyyyshop,代码行数:39,代码来源:ZipFile.cs

示例10: CopyEntry

 private void CopyEntry(ZipFile workFile, ZipUpdate update)
 {
     workFile.WriteLocalEntryHeader(update);
     if (update.Entry.CompressedSize > 0L)
     {
         long offset = update.Entry.Offset + 0x1aL;
         this.baseStream_.Seek(offset, SeekOrigin.Begin);
         uint num2 = this.ReadLEUshort();
         uint num3 = this.ReadLEUshort();
         this.baseStream_.Seek((long) (num2 + num3), SeekOrigin.Current);
         this.CopyBytes(update, workFile.baseStream_, this.baseStream_, update.Entry.CompressedSize, false);
     }
     this.CopyDescriptorBytes(update, workFile.baseStream_, this.baseStream_);
 }
开发者ID:huaminglee,项目名称:myyyyshop,代码行数:14,代码来源:ZipFile.cs

示例11: AddEntry

 private void AddEntry(ZipFile workFile, ZipUpdate update)
 {
     Stream source = null;
     if (update.Entry.IsFile)
     {
         source = update.GetSource();
         if (source == null)
         {
             source = this.updateDataSource_.GetSource(update.Entry, update.Filename);
         }
     }
     if (source != null)
     {
         using (source)
         {
             long length = source.Length;
             if (update.OutEntry.Size < 0L)
             {
                 update.OutEntry.Size = length;
             }
             else if (update.OutEntry.Size != length)
             {
                 throw new ZipException("Entry size/stream size mismatch");
             }
             workFile.WriteLocalEntryHeader(update);
             long position = workFile.baseStream_.Position;
             using (Stream stream2 = workFile.GetOutputStream(update.OutEntry))
             {
                 this.CopyBytes(update, stream2, source, length, true);
             }
             long num3 = workFile.baseStream_.Position;
             update.OutEntry.CompressedSize = num3 - position;
             if ((update.OutEntry.Flags & 8) == 8)
             {
                 new ZipHelperStream(workFile.baseStream_).WriteDataDescriptor(update.OutEntry);
             }
             return;
         }
     }
     workFile.WriteLocalEntryHeader(update);
     update.OutEntry.CompressedSize = 0L;
 }
开发者ID:huaminglee,项目名称:myyyyshop,代码行数:42,代码来源:ZipFile.cs


注:本文中的ICSharpCode.SharpZipLib.Zip.ZipFile.WriteLocalEntryHeader方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。