change
This commit is contained in:
SpecialX
@@ -32,7 +32,7 @@ namespace TechHelper.Client.Exam
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[JsonProperty("题号")]
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// XML 特性：作为 <QG Id="X"> 属性
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[XmlAttribute("Id")]
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public string Id { get; set; }
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public byte Id { get; set; }
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[JsonProperty("标题")]
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[XmlElement("T")] // T for Title
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@@ -60,9 +60,10 @@ namespace TechHelper.Client.Exam
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// 子题目类
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public class SubQuestion
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{
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[JsonProperty("子题号")]
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[XmlAttribute("Id")] // Id for SubId
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public string SubId { get; set; }
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public byte SubId { get; set; }
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[JsonProperty("题干")]
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[XmlElement("T")] // T for Text (Stem)
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429
TechHelper.Client/Exam/ExamParse.cs
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429
TechHelper.Client/Exam/ExamParse.cs
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@@ -0,0 +1,429 @@
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using System.Text.RegularExpressions;
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namespace TechHelper.Client.Exam.Parse
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{
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public class ExamPaper
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{
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public string Title { get; set; } = "未识别试卷标题";
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public string Descript { get; set; } = "未识别试卷描述";
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public string SubjectArea { get; set; } = "试卷类别";
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public List<MajorQuestionGroup> MajorQuestionGroups { get; set; } = new List<MajorQuestionGroup>();
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public List<Question> TopLevelQuestions { get; set; } = new List<Question>();
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}
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public class MajorQuestionGroup
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{
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public string Title { get; set; } = string.Empty;
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public string Descript { get; set; } = string.Empty;
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public float Score { get; set; }
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public List<MajorQuestionGroup> SubMajorQuestionGroups { get; set; } = new List<MajorQuestionGroup>();
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public List<Question> Questions { get; set; } = new List<Question>();
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public int Priority { get; set; }
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}
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public class Question
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{
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public string Number { get; set; } = string.Empty;
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public string Text { get; set; } = string.Empty;
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public float Score { get; set; }
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public List<Option> Options { get; set; } = new List<Option>();
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public List<Question> SubQuestions { get; set; } = new List<Question>();
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public int Priority { get; set; }
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}
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public class Option
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{
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public string Label { get; set; } = string.Empty;
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public string Text { get; set; } = string.Empty;
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}
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/// <summary>
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/// 表示一个带有优先级的正则表达式配置
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/// </summary>
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public class RegexPatternConfig
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{
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public string Pattern { get; set; } // 正则表达式字符串
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public int Priority { get; set; } // 优先级，数字越小优先级越高
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public Regex Regex { get; private set; } // 编译后的Regex对象，用于性能优化
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public RegexPatternConfig(string pattern, int priority)
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{
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Pattern = pattern;
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Priority = priority;
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Regex = new Regex(pattern, RegexOptions.Multiline | RegexOptions.Compiled); // 多行模式，编译以提高性能
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}
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}
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/// <summary>
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/// 试卷解析的配置类，包含所有正则表达式
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/// </summary>
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public class ExamParserConfig
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{
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public List<RegexPatternConfig> MajorQuestionGroupPatterns { get; set; } = new List<RegexPatternConfig>();
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public List<RegexPatternConfig> QuestionPatterns { get; set; } = new List<RegexPatternConfig>();
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public List<RegexPatternConfig> OptionPatterns { get; set; } = new List<RegexPatternConfig>();
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public ExamParserConfig()
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{
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MajorQuestionGroupPatterns.Add(new RegexPatternConfig(@"^[一二三四五六七八九十]+\s*[、.]\s*(.+?)(?:\s*\((\d+)\s*分\))?$", 1)); // 如: 一、选择题 (5分)
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MajorQuestionGroupPatterns.Add(new RegexPatternConfig(@"^\d+\.\s*(.+?)(?:\s*\((\d+)\s*分\))?$", 2)); // 如: 1. 填空题 (10分)
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MajorQuestionGroupPatterns.Add(new RegexPatternConfig(@"^(\(.+\))\s*(.+?)(?:\s*\((\d+)\s*分\))?$", 3)); // 如: (一) 文言文阅读 (8分)
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QuestionPatterns.Add(new RegexPatternConfig(@"^(\d+)\.\s*(.*)$", 1)); // 如: 1. 题干
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OptionPatterns.Add(new RegexPatternConfig(@"^[A-D]\.\s*(.*)$", 1)); // 如: A. 选项内容
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}
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}
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public class PotentialMatch
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{
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public int StartIndex { get; set; }
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public int EndIndex { get; set; } // 匹配到的结构在原始文本中的结束位置
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public string MatchedText { get; set; } // 匹配到的完整行或段落
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public Match RegexMatch { get; set; } // 原始的Regex.Match对象，方便获取捕获组
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public RegexPatternConfig PatternConfig { get; set; } // 匹配到的模式配置
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public MatchType Type { get; set; } // 枚举：MajorQuestionGroup, Question, Option, etc.
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}
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public enum MatchType
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{
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MajorQuestionGroup,
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Question,
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Option,
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Other // 如果有其他需要识别的类型
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}
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/// <summary>
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/// 负责扫描原始文本，收集所有潜在的匹配项（题组、题目、选项）。
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/// 它只进行匹配，不进行结构化归属。
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/// </summary>
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public class ExamDocumentScanner
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{
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private readonly ExamParserConfig _config;
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public ExamDocumentScanner(ExamParserConfig config)
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{
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_config = config;
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}
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/// <summary>
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/// 扫描给定的文本，返回所有潜在的匹配项，并按起始位置排序。
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/// </summary>
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/// <param name="text">要扫描的文本</param>
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/// <returns>所有匹配到的 PotentialMatch 列表</returns>
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public List<PotentialMatch> Scan(string text)
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{
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var allPotentialMatches = new List<PotentialMatch>();
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// 扫描所有题组模式
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foreach (var patternConfig in _config.MajorQuestionGroupPatterns)
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{
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foreach (Match match in patternConfig.Regex.Matches(text))
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{
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allPotentialMatches.Add(new PotentialMatch
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{
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StartIndex = match.Index,
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EndIndex = match.Index + match.Length,
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MatchedText = match.Value,
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RegexMatch = match,
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PatternConfig = patternConfig,
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Type = MatchType.MajorQuestionGroup
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});
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}
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}
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// 扫描所有题目模式
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foreach (var patternConfig in _config.QuestionPatterns)
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{
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foreach (Match match in patternConfig.Regex.Matches(text))
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{
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allPotentialMatches.Add(new PotentialMatch
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{
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StartIndex = match.Index,
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EndIndex = match.Index + match.Length,
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MatchedText = match.Value,
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RegexMatch = match,
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PatternConfig = patternConfig,
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Type = MatchType.Question
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});
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}
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}
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// 扫描所有选项模式
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foreach (var patternConfig in _config.OptionPatterns)
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{
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foreach (Match match in patternConfig.Regex.Matches(text))
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{
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allPotentialMatches.Add(new PotentialMatch
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{
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StartIndex = match.Index,
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EndIndex = match.Index + match.Length,
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MatchedText = match.Value,
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RegexMatch = match,
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PatternConfig = patternConfig,
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Type = MatchType.Option
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});
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}
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}
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// 统一按起始位置排序
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return allPotentialMatches.OrderBy(pm => pm.StartIndex).ToList();
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}
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}
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public class ExamStructureBuilder
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{
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private readonly ExamParserConfig _config;
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public ExamStructureBuilder(ExamParserConfig config)
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{
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_config = config;
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}
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public ExamPaper BuildExamPaper(string fullExamText, List<PotentialMatch> allPotentialMatches)
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{
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var examPaper = new ExamPaper();
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examPaper.Title = GetExamTitle(fullExamText);
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var majorQGStack = new Stack<MajorQuestionGroup>();
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MajorQuestionGroup currentMajorQG = null;
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var questionStack = new Stack<Question>();
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Question currentQuestion = null;
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int currentContentStart = 0;
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if (allPotentialMatches.Any() && allPotentialMatches[0].StartIndex > 0)
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{
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string introText = fullExamText.Substring(0, allPotentialMatches[0].StartIndex).Trim();
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// 可以选择将这部分文本存储到 ExamPaper 的某个属性，例如 ExamPaper.Description
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}
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// 这里需要处理currentContentStart的位置,到allPotentialMatches[0].StartIndex
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for (int i = 0; i < allPotentialMatches.Count; i++)
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{
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var pm = allPotentialMatches[i];
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string precedingText = fullExamText.Substring(currentContentStart, pm.StartIndex - currentContentStart).Trim();
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if (!string.IsNullOrWhiteSpace(precedingText))
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{
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if (currentQuestion != null)
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{
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ProcessQuestionContent(currentQuestion, precedingText,
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GetSubMatchesForRange(allPotentialMatches, currentContentStart, pm.StartIndex));
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}
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else if (currentMajorQG != null)
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{
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currentMajorQG.Descript += (string.IsNullOrWhiteSpace(currentMajorQG.Descript) ? "" : "\n") + precedingText;
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}
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else
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{
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// 暂时忽略，或可以添加到 ExamPaper.Description
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}
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}
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if (pm.Type == MatchType.MajorQuestionGroup)
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{
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// 1. 确定当前 MajorQuestionGroup 的层级关系
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while (majorQGStack.Any() && pm.PatternConfig.Priority <= majorQGStack.Peek().Priority)
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{
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// 当前 QG 的优先级等于或高于栈顶 QG，说明栈顶 QG 已经结束
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majorQGStack.Pop();
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}
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MajorQuestionGroup newMajorQG = new MajorQuestionGroup
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{
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Title = pm.RegexMatch.Groups[1].Value.Trim(),
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Score = (pm.RegexMatch.Groups.Count > 2 && pm.RegexMatch.Groups[2].Success) ? float.Parse(pm.RegexMatch.Groups[2].Value) : 0,
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Priority = pm.PatternConfig.Priority
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};
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if (majorQGStack.Any())
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{
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majorQGStack.Peek().SubMajorQuestionGroups.Add(newMajorQG);
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}
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else
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{
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examPaper.MajorQuestionGroups.Add(newMajorQG);
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}
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majorQGStack.Push(newMajorQG);
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currentMajorQG = newMajorQG;
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questionStack.Clear();
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currentQuestion = null;
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}
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else if (pm.Type == MatchType.Question)
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{
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// 1. 确定当前 Question 的层级关系（子题目）
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// 找到比当前 Question 优先级高或相等的 Question 作为其父级
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while (questionStack.Any() && pm.PatternConfig.Priority <= questionStack.Peek().Priority)
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{
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// 如果当前 Question 的优先级等于或高于栈顶 Question，说明栈顶 Question 已经结束
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questionStack.Pop();
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}
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Question newQuestion = new Question
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{
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Number = pm.RegexMatch.Groups[1].Value.Trim(),
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Text = pm.RegexMatch.Groups[2].Value.Trim(),
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Priority = pm.PatternConfig.Priority
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};
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if (pm.RegexMatch.Groups.Count > 2 && pm.RegexMatch.Groups[2].Success)
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{
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float.TryParse(pm.RegexMatch.Groups[2].Value, out float score);
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newQuestion.Score = score;
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}
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if (questionStack.Any())
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{
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questionStack.Peek().SubQuestions.Add(newQuestion);
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}
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else if (currentMajorQG != null)
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{
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// 归属于当前活跃的 MajorQuestionGroup
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currentMajorQG.Questions.Add(newQuestion);
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}
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else
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{
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// 没有活跃的 MajorQuestionGroup 或 Question，作为 ExamPaper 的顶级 Questions
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examPaper.TopLevelQuestions.Add(newQuestion);
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}
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questionStack.Push(newQuestion); // 新的 Question 入栈，成为当前活跃 Question
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currentQuestion = newQuestion;
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}
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else if (pm.Type == MatchType.Option)
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{
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// 选项必须归属于一个题目
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if (currentQuestion != null)
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{
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Option newOption = new Option
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{
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Label = pm.RegexMatch.Groups[1].Value.Trim(),
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Text = pm.RegexMatch.Groups[2].Value.Trim()
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};
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currentQuestion.Options.Add(newOption);
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}
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else
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{
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// 孤立的选项，可能需要日志记录或错误处理
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Console.WriteLine($"Warning: Found isolated Option at index {pm.StartIndex}: {pm.MatchedText}");
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}
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}
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// --- 步骤3: 更新 currentContentStart 为当前匹配点的 EndIndex ---
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// 下一次循环将从这里开始提取内容
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currentContentStart = pm.EndIndex;
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}
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// --- 步骤4: 处理循环结束后，最后一个匹配点之后到文本末尾的剩余内容 ---
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if (currentContentStart < fullExamText.Length)
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{
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string remainingText = fullExamText.Substring(currentContentStart).Trim();
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if (!string.IsNullOrWhiteSpace(remainingText))
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{
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if (currentQuestion != null)
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{
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// 最后一个题目后面的内容（可能是选项或多行描述）
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ProcessQuestionContent(currentQuestion, remainingText,
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GetSubMatchesForRange(allPotentialMatches, currentContentStart, fullExamText.Length));
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}
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else if (currentMajorQG != null)
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{
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// 最后一个题组后面的内容（可能是描述或题目）
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currentMajorQG.Descript += (string.IsNullOrWhiteSpace(currentMajorQG.Descript) ? "" : "\n") + remainingText;
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}
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else
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{
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// 顶级剩余文本，可能作为 ExamPaper 的整体描述
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// examPaper.Description += remainingText;
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}
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}
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}
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return examPaper;
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}
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/// <summary>
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/// 提取试卷标题 (简单实现)
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/// </summary>
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private string GetExamTitle(string examPaperText)
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{
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var firstLine = examPaperText.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries)
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.FirstOrDefault(line => !string.IsNullOrWhiteSpace(line));
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return firstLine ?? "未识别试卷标题";
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}
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/// <summary>
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/// 获取给定 PotentialMatch 列表在指定范围内的子集。
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/// 这个方法用于辅助 ProcessQuestionContent，为其提供该范围内的 Options 和 SubQuestions。
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/// </summary>
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private List<PotentialMatch> GetSubMatchesForRange(List<PotentialMatch> allMatches, int start, int end)
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{
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// 注意：这里需要考虑 potentialMatches 的索引与 fullExamText 索引的映射
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// 这里的 StartIndex 是相对于 fullExamText 的
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return allMatches.Where(pm => pm.StartIndex >= start && pm.StartIndex < end).ToList();
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}
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/// <summary>
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/// 处理 Question 的内容，主要用于解析 Options 和识别非结构化文本。
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/// </summary>
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private void ProcessQuestionContent(Question question, string contentText, List<PotentialMatch> potentialMatchesInScope)
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{
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// 遍历当前范围内的所有 PotentialMatch，找出 Options
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var optionsText = new System.Text.StringBuilder();
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int lastOptionEndIndex = 0; // 记录最后一个处理的选项的结束位置
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foreach (var pm in potentialMatchesInScope.OrderBy(p => p.StartIndex))
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{
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// 检查是否是选项
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if (pm.Type == MatchType.Option)
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{
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// 收集选项之间的文本作为题干的延续或描述
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if (pm.StartIndex > lastOptionEndIndex)
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{
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string textBeforeOption = contentText.Substring(lastOptionEndIndex, pm.StartIndex - lastOptionEndIndex).Trim();
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if (!string.IsNullOrWhiteSpace(textBeforeOption))
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{
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question.Text += (string.IsNullOrWhiteSpace(question.Text) ? "" : "\n") + textBeforeOption;
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}
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}
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var newOption = new Option
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{
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Label = pm.RegexMatch.Groups[1].Value.Trim(),
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Text = pm.RegexMatch.Groups[2].Value.Trim()
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};
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question.Options.Add(newOption);
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lastOptionEndIndex = pm.EndIndex;
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}
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// TODO: 如果有 SubQuestion 类型，在这里也可以类似处理
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// else if (pm.Type == MatchType.Question && pm.PatternConfig.Priority > question.Priority)
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// {
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// // 这是一个子题目，需要进一步解析
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// // 递归调用，但这里的逻辑会更复杂，因为需要识别子题目自己的Options
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||||
// // 可能会在这里创建一个临时的 Question，然后递归 ProcessQuestionContent
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// }
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}
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// 处理所有选项之后剩余的文本
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if (lastOptionEndIndex < contentText.Length)
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{
|
||||
string remainingContent = contentText.Substring(lastOptionEndIndex).Trim();
|
||||
if (!string.IsNullOrWhiteSpace(remainingContent))
|
||||
{
|
||||
question.Text += (string.IsNullOrWhiteSpace(question.Text) ? "" : "\n") + remainingContent;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
171
TechHelper.Client/Exam/ExamService.cs
Normal file
171
TechHelper.Client/Exam/ExamService.cs
Normal file
@@ -0,0 +1,171 @@
|
||||
using System.Xml.Serialization;
|
||||
using TechHelper.Client.AI;
|
||||
using TechHelper.Services;
|
||||
using Entities.DTO;
|
||||
|
||||
|
||||
namespace TechHelper.Client.Exam
|
||||
{
|
||||
public class ExamService : IExamService
|
||||
{
|
||||
private IAIService aIService;
|
||||
|
||||
public ExamService(IAIService aIService)
|
||||
{
|
||||
this.aIService = aIService;
|
||||
}
|
||||
|
||||
public ApiResponse ConvertToXML<T>(string xmlContent)
|
||||
{
|
||||
string cleanedXml = xmlContent.Trim();
|
||||
XmlSerializer serializer = new XmlSerializer(typeof(T));
|
||||
|
||||
using (StringReader reader = new StringReader(cleanedXml))
|
||||
{
|
||||
try
|
||||
{
|
||||
T deserializedObject = (T)serializer.Deserialize(reader);
|
||||
|
||||
// 成功时返回 ApiResponse
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = true,
|
||||
Result = deserializedObject,
|
||||
Message = "XML 反序列化成功。"
|
||||
};
|
||||
}
|
||||
catch (InvalidOperationException ex)
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = false,
|
||||
Result = null,
|
||||
Message = $"XML 反序列化操作错误: {ex.Message}. 内部异常: {ex.InnerException?.Message ?? "无"}"
|
||||
};
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = false,
|
||||
Result = null,
|
||||
Message = $"处理 XML 反序列化时发生未知错误: {ex.Message}"
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public async Task<ApiResponse> DividExam(string examContent)
|
||||
{
|
||||
try
|
||||
{
|
||||
string respon = await aIService.CallGLM(examContent, AIConfiguration.BreakQuestions);
|
||||
|
||||
if (respon != null)
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = true,
|
||||
Result = respon,
|
||||
Message = "试题分割成功。"
|
||||
};
|
||||
}
|
||||
else
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = false,
|
||||
Result = null,
|
||||
Message = "AI 服务未能返回有效内容，或返回内容为空。"
|
||||
};
|
||||
}
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = false,
|
||||
Result = null,
|
||||
Message = $"处理试题分割时发生内部错误: {ex.Message}"
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
public async Task<ApiResponse> FormatExam(string examContent)
|
||||
{
|
||||
try
|
||||
{
|
||||
string respon = await aIService.CallGLM(examContent, AIConfiguration.Format);
|
||||
|
||||
if (respon != null)
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = true,
|
||||
Result = respon,
|
||||
Message = "试题格式化成功。"
|
||||
};
|
||||
}
|
||||
else
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = false,
|
||||
Result = null,
|
||||
Message = "AI 服务未能返回有效内容，或返回内容为空。"
|
||||
};
|
||||
}
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = false,
|
||||
Result = null,
|
||||
Message = $"处理试题格式化时发生内部错误: {ex.Message}"
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
public async Task<ApiResponse> ParseSingleQuestionGroup(string examContent)
|
||||
{
|
||||
try
|
||||
{
|
||||
string respon = await aIService.CallGLM(examContent, AIConfiguration.ParseSignelQuestion2);
|
||||
|
||||
if (respon != null)
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = true,
|
||||
Result = respon,
|
||||
Message = "试题解析成功。"
|
||||
};
|
||||
}
|
||||
else
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = false,
|
||||
Result = null,
|
||||
Message = "AI 服务未能返回有效内容，或返回内容为空。"
|
||||
};
|
||||
}
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
return new ApiResponse
|
||||
{
|
||||
Status = false,
|
||||
Result = null,
|
||||
Message = $"处理试题解析时发生内部错误: {ex.Message}"
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
public Task<ApiResponse> SaveParsedExam(ExamDto examDto)
|
||||
{
|
||||
throw new NotImplementedException();
|
||||
}
|
||||
}
|
||||
}
|
||||
14
TechHelper.Client/Exam/IExamService.cs
Normal file
14
TechHelper.Client/Exam/IExamService.cs
Normal file
@@ -0,0 +1,14 @@
|
||||
using Entities.DTO;
|
||||
using TechHelper.Services;
|
||||
|
||||
namespace TechHelper.Client.Exam
|
||||
{
|
||||
public interface IExamService
|
||||
{
|
||||
public Task<ApiResponse> FormatExam(string examContent);
|
||||
public Task<ApiResponse> DividExam(string examContent);
|
||||
public Task<ApiResponse> SaveParsedExam(ExamDto examDto);
|
||||
public Task<ApiResponse> ParseSingleQuestionGroup(string examContent);
|
||||
public ApiResponse ConvertToXML<T>(string xmlContent);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user