From fa4b4097d3283e1d6e6376c70910e245f0b1f6ec Mon Sep 17 00:00:00 2001
From: Dominick Allen <djallen@librehumanitas.org>
Date: Wed, 18 Sep 2024 21:59:54 -0500
Subject: Save progress of qt6 implementation.

---
 src/archive.hpp | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/archive.hpp

(limited to 'src/archive.hpp')

diff --git a/src/archive.hpp b/src/archive.hpp
new file mode 100644
index 0000000..d8464e5
--- /dev/null
+++ b/src/archive.hpp
@@ -0,0 +1,52 @@
+#ifndef ARCHIVE_HPP
+#define ARCHIVE_HPP
+
+#include "result.hpp"
+
+#include <QtWidgets>
+#include <cstdlib>
+#include <string>
+#include <vector>
+#include <zip.h>
+
+namespace getsuyomi {
+
+enum class ArchiveError
+{
+    BadIndex,
+    ZipError,
+    BadData,
+    Unimplemented
+};
+
+using ArchiveResult = Result<std::reference_wrapper<const QImage>, ArchiveError>;
+
+class Archive {
+  public:
+    virtual ~Archive() = default;
+    virtual ArchiveResult getPage(size_t page) = 0;
+    virtual size_t numPages() const = 0;
+};
+
+class ZipArchive : public Archive {
+  public:
+    explicit ZipArchive(const QString& filename);
+    virtual ~ZipArchive() override;
+    virtual ArchiveResult getPage(size_t page) override;
+    virtual size_t numPages() const override;
+
+  private:
+    void populate();
+
+    zip_t* m_archive{nullptr};
+
+    std::vector<size_t> m_sortedIndices{};
+    std::vector<std::string> m_filenames{};
+    std::vector<size_t> m_fileSizes{};
+
+    std::vector<std::optional<QImage>> m_pages{};
+};
+
+} // namespace getsuyomi
+
+#endif
-- 
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