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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace VersOne.Epub.ConsoleDemo
{
internal static class TestDirectory
{
public static void Run(string directoryPath)
{
int totalFiles = 0;
Dictionary<string, int> filesByVersion = new();
List<string> filesWithErrors = new();
TestEpubDirectory(directoryPath, ref totalFiles, filesByVersion, filesWithErrors);
if (totalFiles == 0)
{
Console.WriteLine("No EPUB files found.");
}
else
{
if (filesByVersion.Any(version => version.Value > 0))
{
Console.WriteLine("Statistics");
Console.WriteLine("-----------------------------------");
Console.Write("Versions: ");
bool firstItem = true;
foreach (string epubVersionString in filesByVersion.Keys.OrderBy(version => version))
{
if (firstItem)
{
firstItem = false;
}
else
{
Console.Write(", ");
}
Console.Write(epubVersionString + ": " + filesByVersion[epubVersionString]);
}
Console.WriteLine(".");
}
if (filesWithErrors.Any())
{
Console.WriteLine("Files with errors:");
foreach (string filePath in filesWithErrors)
{
Console.WriteLine(filePath);
}
}
else
{
Console.WriteLine("No errors.");
}
Console.WriteLine();
}
}
private static void TestEpubDirectory(string directoryPath, ref int totalFiles, Dictionary<string, int> filesByVersion, List<string> filesWithErrors)
{
foreach (string subdirectoryPath in Directory.EnumerateDirectories(directoryPath))
{
TestEpubDirectory(subdirectoryPath, ref totalFiles, filesByVersion, filesWithErrors);
}
foreach (string filePath in Directory.EnumerateFiles(directoryPath, "*.epub"))
{
TestEpubFile(filePath, filesByVersion, filesWithErrors);
totalFiles++;
}
}
private static void TestEpubFile(string epubFilePath, Dictionary<string, int> filesByVersion, List<string> filesWithErrors)
{
Console.WriteLine($"File: {epubFilePath}");
Console.WriteLine("-----------------------------------");
try
{
using EpubBookRef bookRef = EpubReader.OpenBook(epubFilePath);
string epubVersionString = bookRef.Schema.Package.GetVersionString();
if (filesByVersion.TryGetValue(epubVersionString, out int fileCount))
{
fileCount++;
}
else
{
fileCount = 1;
}
filesByVersion[epubVersionString] = fileCount;
Console.WriteLine($"EPUB version: {epubVersionString}");
Console.WriteLine($"Total files: {bookRef.Content.AllFiles.Local.Count}, HTML files: {bookRef.Content.Html.Local.Count}," +
$" CSS files: {bookRef.Content.Css.Local.Count}, image files: {bookRef.Content.Images.Local.Count}, font files: {bookRef.Content.Fonts.Local.Count}.");
Console.WriteLine($"Reading order: {bookRef.GetReadingOrder().Count} file(s).");
Console.WriteLine("Navigation:");
foreach (EpubNavigationItemRef navigationItemRef in bookRef.GetNavigation())
{
PrintNavigationItem(navigationItemRef, 0);
}
}
catch (Exception exception)
{
Console.WriteLine(exception.ToString());
filesWithErrors.Add(epubFilePath);
}
Console.WriteLine();
}
private static void PrintNavigationItem(EpubNavigationItemRef navigationItemRef, int identLevel)
{
Console.Write(new string(' ', identLevel * 2));
Console.WriteLine(navigationItemRef.Title);
foreach (EpubNavigationItemRef nestedNavigationItemRef in navigationItemRef.NestedItems)
{
PrintNavigationItem(nestedNavigationItemRef, identLevel + 1);
}
}
}
}
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