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-rw-r--r--src/core/file_sys/vfs_libzip.cpp83
-rw-r--r--src/core/file_sys/vfs_libzip.h13
2 files changed, 96 insertions, 0 deletions
diff --git a/src/core/file_sys/vfs_libzip.cpp b/src/core/file_sys/vfs_libzip.cpp
new file mode 100644
index 000000000..64f19a0ea
--- /dev/null
+++ b/src/core/file_sys/vfs_libzip.cpp
@@ -0,0 +1,83 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <string>
+#include <zip.h>
+#include "common/logging/backend.h"
+#include "core/file_sys/vfs.h"
+#include "core/file_sys/vfs_libzip.h"
+#include "core/file_sys/vfs_vector.h"
+
+namespace FileSys {
+
+VirtualDir ExtractZIP(VirtualFile file) {
+ zip_error_t error{};
+
+ const auto data = file->ReadAllBytes();
+ const auto src = zip_source_buffer_create(data.data(), data.size(), 0, &error);
+ if (src == nullptr)
+ return nullptr;
+
+ const auto zip = zip_open_from_source(src, 0, &error);
+ if (zip == nullptr)
+ return nullptr;
+
+ std::shared_ptr<VectorVfsDirectory> out = std::make_shared<VectorVfsDirectory>();
+
+ const auto num_entries = zip_get_num_entries(zip, 0);
+ if (num_entries == -1)
+ return nullptr;
+
+ zip_stat_t stat{};
+ zip_stat_init(&stat);
+
+ for (std::size_t i = 0; i < num_entries; ++i) {
+ const auto stat_res = zip_stat_index(zip, i, 0, &stat);
+ if (stat_res == -1)
+ return nullptr;
+
+ const std::string name(stat.name);
+ if (name.empty())
+ continue;
+
+ if (name[name.size() - 1] != '/') {
+ const auto file = zip_fopen_index(zip, i, 0);
+
+ std::vector<u8> buf(stat.size);
+ if (zip_fread(file, buf.data(), buf.size()) != buf.size())
+ return nullptr;
+
+ zip_fclose(file);
+
+ const auto parts = FileUtil::SplitPathComponents(stat.name);
+ const auto new_file = std::make_shared<VectorVfsFile>(buf, parts.back());
+
+ std::shared_ptr<VectorVfsDirectory> dtrv = out;
+ for (std::size_t j = 0; j < parts.size() - 1; ++j) {
+ if (dtrv == nullptr)
+ return nullptr;
+ const auto subdir = dtrv->GetSubdirectory(parts[j]);
+ if (subdir == nullptr) {
+ const auto temp = std::make_shared<VectorVfsDirectory>(
+ std::vector<VirtualFile>{}, std::vector<VirtualDir>{}, parts[j]);
+ dtrv->AddDirectory(temp);
+ dtrv = temp;
+ } else {
+ dtrv = std::dynamic_pointer_cast<VectorVfsDirectory>(subdir);
+ }
+ }
+
+ if (dtrv == nullptr)
+ return nullptr;
+ dtrv->AddFile(new_file);
+ }
+ }
+
+ zip_source_close(src);
+ zip_close(zip);
+
+ return out;
+}
+
+} // namespace FileSys
diff --git a/src/core/file_sys/vfs_libzip.h b/src/core/file_sys/vfs_libzip.h
new file mode 100644
index 000000000..f68af576a
--- /dev/null
+++ b/src/core/file_sys/vfs_libzip.h
@@ -0,0 +1,13 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/file_sys/vfs_types.h"
+
+namespace FileSys {
+
+VirtualDir ExtractZIP(VirtualFile zip);
+
+} // namespace FileSys