From fb9213e6c52b96a768504d55d95e00ebd998f49a Mon Sep 17 00:00:00 2001
From: Simon <h45h74x@gmail.com>
Date: Sun, 14 Jan 2024 19:40:42 +0100
Subject: [PATCH] Added latex include table generator

---
 Implementation/ReportGenerator/Program.cs     |  3 +-
 .../LatexIncludeDocumentGenerator.cs          | 90 +++++++++++++++++++
 .../LatexIncludeTableGenerator.cs             | 59 ++++++++++++
 3 files changed, 151 insertions(+), 1 deletion(-)
 create mode 100644 ReportGeneration/ReportGeneration.Generators/LatexInclude/LatexIncludeDocumentGenerator.cs
 create mode 100644 ReportGeneration/ReportGeneration.Generators/LatexInclude/LatexIncludeTableGenerator.cs

diff --git a/Implementation/ReportGenerator/Program.cs b/Implementation/ReportGenerator/Program.cs
index 240442b..58f7d8e 100644
--- a/Implementation/ReportGenerator/Program.cs
+++ b/Implementation/ReportGenerator/Program.cs
@@ -1,6 +1,7 @@
 using Common.Extensions;
 using Ocr.Report.Models;
 using ReportGeneration.Generators;
+using ReportGeneration.Generators.LatexInclude;
 
 namespace Ocr.Report;
 
@@ -21,7 +22,7 @@ internal static class Program
 
     var path = Path.GetFullPath("report.html");
 
-    using var document = new HtmlDocumentGenerator(path);
+    using var document = new LatexIncludeDocumentGenerator(path);
     using var report = new ReportGenerator("OCR Report", document, scans)
       .AddComparison("Processing summary (Average)", v =>
       {
diff --git a/ReportGeneration/ReportGeneration.Generators/LatexInclude/LatexIncludeDocumentGenerator.cs b/ReportGeneration/ReportGeneration.Generators/LatexInclude/LatexIncludeDocumentGenerator.cs
new file mode 100644
index 0000000..a3c4d04
--- /dev/null
+++ b/ReportGeneration/ReportGeneration.Generators/LatexInclude/LatexIncludeDocumentGenerator.cs
@@ -0,0 +1,90 @@
+using System;
+using System.IO;
+using ReportGeneration.Abstract;
+using ReportGeneration.Interface;
+
+namespace ReportGeneration.Generators.LatexInclude;
+
+public class LatexIncludeDocumentGenerator : DocumentGeneratorBase
+{
+  private string? _lastHeading;
+  private int _sectionFigCnt;
+
+  public string Path { get; }
+
+  public LatexIncludeDocumentGenerator(string name, bool overwrite = false)
+    : this(PrepareDir(name, overwrite))
+  {
+  }
+
+  private LatexIncludeDocumentGenerator(string name) : base($"{name}/main.tex")
+  {
+  }
+
+  private static string PrepareDir(string name, bool overwrite)
+  {
+    var path = System.IO.Path.GetFullPath(name);
+    if (Directory.Exists(path))
+    {
+      if (overwrite)
+      {
+        Directory.Delete(path, true);
+      }
+      else
+      {
+        throw new InvalidOperationException($"Directory '{path}' already exists!");
+      }
+    }
+
+    Directory.CreateDirectory(path);
+    return path;
+  }
+
+  #region Writing
+
+  /// <inheritdoc />
+  public override IDocumentGenerator AppendHeading(int level, string text)
+  {
+    _sectionFigCnt = 0;
+    var heading = (level) switch
+    {
+      1 => $"\\chapter{text}",
+      2 => $"\\section{text}",
+      3 => $"\\subsection{text}",
+      4 => $"\\subsubsection{text}",
+      5 => $"\\subsubsubsection{text}",
+      _ => throw new ArgumentOutOfRangeException(nameof(level), level, null)
+    };
+
+    _lastHeading = heading;
+    return AppendParagraph(heading);
+  }
+
+  /// <inheritdoc />
+  protected override ITableGenerator MakeTable(int columns, Stream stream)
+  {
+    var includePath = System.IO.Path.Join(Path, $"fig_{_lastHeading}_{++_sectionFigCnt}.tex");
+    var file = File.Open(includePath, FileMode.CreateNew);
+
+    AppendParagraph($"\\include{includePath}");
+
+    return new LatexIncludeTableGenerator(columns, file);
+  }
+
+  /// <inheritdoc />
+  public override IDocumentGenerator AppendParagraph(string? text = default)
+  {
+    AppendLine(text);
+    AppendLine();
+    return this;
+  }
+
+  #endregion
+
+  public override string FormatImage(string path, IBounds? bounds = default) => @$"
+\begin{{figure}}[ht]
+  \centering
+  \fbox{{\includegraphics[width=.7\textwidth]{{{path}}}}}
+  \caption{{Ein gut für die Texterkennung geeigneter Screenshot. Die wesentlichen Inhalte weisen einen guten Kontrast zum Hintergrund auf und befinden sich in Bereichen mit gleichmäßiger Helligkeit.}}
+\end{{figure}}";
+}
\ No newline at end of file
diff --git a/ReportGeneration/ReportGeneration.Generators/LatexInclude/LatexIncludeTableGenerator.cs b/ReportGeneration/ReportGeneration.Generators/LatexInclude/LatexIncludeTableGenerator.cs
new file mode 100644
index 0000000..ef050d6
--- /dev/null
+++ b/ReportGeneration/ReportGeneration.Generators/LatexInclude/LatexIncludeTableGenerator.cs
@@ -0,0 +1,59 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using ReportGeneration.Abstract;
+using ReportGeneration.Interface;
+
+namespace ReportGeneration.Generators.LatexInclude;
+
+public class LatexIncludeTableGenerator : TableGeneratorBase
+{
+  private const string rowSuffix = @" \\ \hline";
+
+  public LatexIncludeTableGenerator(int columns) : base(columns)
+  {
+  }
+
+  public LatexIncludeTableGenerator(int columns, Stream stream) : base(columns, stream)
+  {
+  }
+
+  public LatexIncludeTableGenerator(int columns, Stream stream, Encoding encoding) : base(columns, stream, encoding)
+  {
+  }
+
+  protected override void OnOpen()
+  {
+    base.OnOpen();
+    var tabular = '|' + string.Concat(Enumerable.Repeat("l|", Columns));
+
+    WriteLine(@$"
+\begin{{table}}[!ht]
+    \centering
+    \caption{{Caption}}
+    \begin{{tabular}}{{{tabular}}}
+    \hline");
+  }
+
+  protected override void OnClose()
+  {
+    base.OnClose();
+    WriteLine(@"
+  \end{{tabular}}
+\end{{table}}");
+  }
+
+  /// <inheritdoc />
+  public override ITableGenerator AppendHeader(IEnumerable<string> row) => AppendRow(row.Select(Bold));
+
+  /// <inheritdoc />
+  public override ITableGenerator AppendRow(IEnumerable<string> row)
+  {
+    WriteLine(string.Join('&', row.Select(Escape)) + rowSuffix);
+    return this;
+  }
+
+  private string Bold(string str) => $@"\textbf{str}";
+  private string Escape(string str) => str.Replace("%", "\\%");
+}
\ No newline at end of file