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C# IByteSource.PopMilestone方法代码示例

本文整理汇总了C#中IByteSource.PopMilestone方法的典型用法代码示例。如果您正苦于以下问题:C# IByteSource.PopMilestone方法的具体用法?C# IByteSource.PopMilestone怎么用?C# IByteSource.PopMilestone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IByteSource的用法示例。


在下文中一共展示了IByteSource.PopMilestone方法的7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: ParseItemSequence

		private void ParseItemSequence(IByteSource source, object state) {
			try {
				_result = DicomReaderResult.Processing;

				while (!source.IsEOF && !source.HasReachedMilestone()) {
					if (_state == ParseState.Tag) {
						source.Mark();

						if (!source.Require(8, ParseItemSequence, state)) {
							_result = DicomReaderResult.Suspended;
							return;
						}

						ushort group = source.GetUInt16();
						ushort element = source.GetUInt16();

						_tag = new DicomTag(group, element);

						if (_tag != DicomTag.Item && _tag != DicomTag.SequenceDelimitationItem) {
							// assume invalid sequence
							source.Rewind();
							if (!_implicit)
								source.PopMilestone();
							_observer.OnEndSequence();
							if (_badPrivateSequence) {
								_explicit = !_explicit;
								_badPrivateSequence = false;
							}
							return;
						}

						_length = source.GetUInt32();

						if (_tag == DicomTag.SequenceDelimitationItem) {
							// end of sequence
							_observer.OnEndSequence();
							if (_badPrivateSequence) {
								_explicit = !_explicit;
								_badPrivateSequence = false;
							}
							ResetState();
							return;
						}

						_state = ParseState.Value;
					}

					if (_state == ParseState.Value) {
						if (_length != UndefinedLength) {
							if (!source.Require(_length, ParseItemSequence, state)) {
								_result = DicomReaderResult.Suspended;
								return;
							}

							source.PushMilestone(_length);
						}

						_observer.OnBeginSequenceItem(source, _length);

						ResetState();
						ParseDataset(source, state);
						ResetState();

						_observer.OnEndSequenceItem();
						continue;
					}
				}

				// end of explicit length sequence
				if (source.HasReachedMilestone())
					source.PopMilestone();

				_observer.OnEndSequence();
				if (_badPrivateSequence) {
					_explicit = !_explicit;
					_badPrivateSequence = false;
				}
			} catch (Exception e) {
				_exception = e;
				_result = DicomReaderResult.Error;
			} finally {
				if (_result != DicomReaderResult.Processing && _result != DicomReaderResult.Suspended) {
					_async.Set();
				}
			}
		}
开发者ID:peerct,项目名称:fo-dicom,代码行数:86,代码来源:DicomReader.cs

示例2: ParseDataset


//.........这里部分代码省略.........
								_vr = DicomVR.SQ;
						}

						_state = ParseState.Value;
					}

					if (_state == ParseState.Value) {
						// check dictionary for VR after reading length to handle 16-bit lengths
						// check before reading value to handle SQ elements
						if (_vr == DicomVR.UN && IsExplicitVR) {
							var entry = Dictionary[_tag];
							if (entry != null)
								_vr = entry.ValueRepresentations.FirstOrDefault();

							if (_vr == null)
								_vr = DicomVR.UN;
						}

						if (_tag == DicomTag.ItemDelimitationItem) {
							// end of sequence item
							return;
						}

						while (_vr == DicomVR.SQ && _tag.IsPrivate) {
							if (!IsPrivateSequence(source)) {
								_vr = DicomVR.UN;
								break;
							}

							if (IsPrivateSequenceBad(source)) {
								_badPrivateSequence = true;
								_explicit = !_explicit;
							}
							break;
						}

						if (_vr == DicomVR.SQ) {
							// start of sequence
							_observer.OnBeginSequence(source, _tag, _length);
							_state = ParseState.Tag;
							if (_length != UndefinedLength) {
								_implicit = false;
								source.PushMilestone(_length);
							} else
								_implicit = true;
							PushState(state);
							ParseItemSequence(source, null);
							continue;
						}

						if (_length == UndefinedLength) {
							_observer.OnBeginFragmentSequence(source, _tag, _vr);
							_state = ParseState.Tag;
							PushState(state);
							ParseFragmentSequence(source, null);
							continue;
						}

						if (!source.Require(_length, ParseDataset, state)) {
							_result = DicomReaderResult.Suspended;
							return;
						}

						IByteBuffer buffer = source.GetBuffer(_length);

						if (!_vr.IsString)
							buffer = EndianByteBuffer.Create(buffer, source.Endian, _vr.UnitSize);
						_observer.OnElement(source, _tag, _vr, buffer);

						// parse private creator value and add to lookup table
						if (_tag.IsPrivate && _tag.Element != 0x0000 && _tag.Element <= 0x00ff) {
							var creator = DicomEncoding.Default.GetString(buffer.Data, 0, buffer.Data.Length).TrimEnd((char)DicomVR.LO.PaddingValue);
							var card = (uint)(_tag.Group << 16) + (uint)(_tag.Element);
							_private[card] = creator;
						}

						ResetState();
					}
				}

				if (source.HasReachedMilestone()) {
					// end of explicit length sequence item
					source.PopMilestone();
					return;
				}

				if (_result != DicomReaderResult.Processing)
					return;

				// end of processing
				_result = DicomReaderResult.Success;
			} catch (Exception e) {
				_exception = e;
				_result = DicomReaderResult.Error;
			} finally {
				if (_result != DicomReaderResult.Processing && _result != DicomReaderResult.Suspended) {
					_async.Set();
				}
			}
		}
开发者ID:peerct,项目名称:fo-dicom,代码行数:101,代码来源:DicomReader.cs

示例3: ParseItemSequencePostProcess

            private void ParseItemSequencePostProcess(IByteSource source)
            {
                // end of explicit length sequence
                if (source.HasReachedMilestone())
                {
                    source.PopMilestone();
                }

                this.observer.OnEndSequence();
                if (this.badPrivateSequence)
                {
                    this.isExplicitVR = !this.isExplicitVR;
                    this.badPrivateSequence = false;
                }
            }
开发者ID:gustavosaita,项目名称:fo-dicom,代码行数:15,代码来源:DicomReader.cs

示例4: ParseItemSequenceTag

            private bool ParseItemSequenceTag(IByteSource source)
            {
                if (this.parseStage == ParseStage.Tag)
                {
                    source.Mark();

                    if (!source.Require(8))
                    {
                        this.result = DicomReaderResult.Suspended;
                        return false;
                    }

                    var group = source.GetUInt16();
                    var element = source.GetUInt16();

                    this._tag = new DicomTag(@group, element);

                    if (this._tag != DicomTag.Item && this._tag != DicomTag.SequenceDelimitationItem)
                    {
                        // assume invalid sequence
                        source.Rewind();
                        if (!this._implicit)
                        {
                            source.PopMilestone();
                        }
                        this.observer.OnEndSequence();
                        if (this.badPrivateSequence)
                        {
                            this.isExplicitVR = !this.isExplicitVR;
                            this.badPrivateSequence = false;
                        }
                        return false;
                    }

                    this.length = source.GetUInt32();

                    if (this._tag == DicomTag.SequenceDelimitationItem)
                    {
                        // #64, in case explicit length has been specified despite occurrence of Sequence Delimitation Item
                        if (source.HasReachedMilestone() && source.MilestonesCount > this.sequenceDepth)
                        {
                            this.ResetState();
                            return true;
                        }

                        // end of sequence
                        this.observer.OnEndSequence();
                        if (this.badPrivateSequence)
                        {
                            this.isExplicitVR = !this.isExplicitVR;
                            this.badPrivateSequence = false;
                        }
                        this.ResetState();
                        return false;
                    }

                    this.parseStage = ParseStage.Value;
                }
                return true;
            }
开发者ID:gustavosaita,项目名称:fo-dicom,代码行数:60,代码来源:DicomReader.cs

示例5: ParseDatasetAsync

            private async Task ParseDatasetAsync(IByteSource source)
            {
                this.result = DicomReaderResult.Processing;

                while (!source.IsEOF && !source.HasReachedMilestone() && this.result == DicomReaderResult.Processing)
                {
                    if (!this.ParseTag(source)) return;
                    if (!this.ParseVR(source)) return;
                    if (!this.ParseLength(source)) return;
                    if (!await this.ParseValueAsync(source).ConfigureAwait(false)) return;
                }

                if (source.HasReachedMilestone())
                {
                    // end of explicit length sequence item
                    source.PopMilestone();
                    return;
                }

                if (this.result != DicomReaderResult.Processing) return;

                // end of processing
                this.result = DicomReaderResult.Success;
            }
开发者ID:gustavosaita,项目名称:fo-dicom,代码行数:24,代码来源:DicomReader.cs

示例6: ParseDataset

            private void ParseDataset(IByteSource source)
            {
                this.result = DicomReaderResult.Processing;

                while (!source.IsEOF && !source.HasReachedMilestone() && this.result == DicomReaderResult.Processing)
                {
                    if (!this.ParseTag(source)) return;
                    if (!this.ParseVR(source)) return;
                    if (!this.ParseLength(source)) return;
                    if (!this.ParseValue(source)) return;
                }

                if (source.HasReachedMilestone())
                {
                    // end of explicit length sequence item
                    source.PopMilestone();
                    return;
                }

                if (this.result != DicomReaderResult.Processing) return;

                // end of processing
                this.result = DicomReaderResult.Success;
            }
开发者ID:gustavosaita,项目名称:fo-dicom,代码行数:24,代码来源:DicomReader.cs

示例7: ParseDataset

            private void ParseDataset(IByteSource source)
            {
                if (this.isDeflated)
                {
#if NET35
                    throw new NotSupportedException("Deflated datasets not supported in Unity.");
#else
                    source = this.Decompress(source);
#endif
                }

                this.result = DicomReaderResult.Processing;

                while (!source.IsEOF && !source.HasReachedMilestone() && this.result == DicomReaderResult.Processing)
                {
                    if (!this.ParseTag(source)) return;
                    if (!this.ParseVR(source)) return;
                    if (!this.ParseLength(source)) return;
                    if (!this.ParseValue(source)) return;
                }

                if (source.HasReachedMilestone())
                {
                    // end of explicit length sequence item
                    source.PopMilestone();
                    return;
                }

                if (this.result != DicomReaderResult.Processing) return;

                // end of processing
                this.result = DicomReaderResult.Success;
            }
开发者ID:aerik,项目名称:fo-dicom,代码行数:33,代码来源:DicomReader.cs


注:本文中的IByteSource.PopMilestone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。