From 00851a5ef442947c4237f32e063c37e7751db3ed Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Fri, 19 Jan 2018 22:34:48 -0500
Subject: file_sys: Cleanup to better match Switch file system constructs.
file_sys: Add factory class for RomFS file system.
---
src/core/file_sys/filesystem.cpp | 122 +++++++++++++++++++++++++++++++++++++++
1 file changed, 122 insertions(+)
create mode 100644 src/core/file_sys/filesystem.cpp
(limited to 'src/core/file_sys/filesystem.cpp')
diff --git a/src/core/file_sys/filesystem.cpp b/src/core/file_sys/filesystem.cpp
new file mode 100644
index 0000000000..82fdb3c464
--- /dev/null
+++ b/src/core/file_sys/filesystem.cpp
@@ -0,0 +1,122 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstddef>
+#include <iomanip>
+#include <sstream>
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/file_sys/filesystem.h"
+#include "core/memory.h"
+
+namespace FileSys {
+
+Path::Path(LowPathType type, u32 size, u32 pointer) : type(type) {
+ switch (type) {
+ case Binary: {
+ binary.resize(size);
+ Memory::ReadBlock(pointer, binary.data(), binary.size());
+ break;
+ }
+
+ case Char: {
+ string.resize(size - 1); // Data is always null-terminated.
+ Memory::ReadBlock(pointer, &string[0], string.size());
+ break;
+ }
+
+ case Wchar: {
+ u16str.resize(size / 2 - 1); // Data is always null-terminated.
+ Memory::ReadBlock(pointer, &u16str[0], u16str.size() * sizeof(char16_t));
+ break;
+ }
+
+ default:
+ break;
+ }
+}
+
+std::string Path::DebugStr() const {
+ switch (GetType()) {
+ case Invalid:
+ default:
+ return "[Invalid]";
+ case Empty:
+ return "[Empty]";
+ case Binary: {
+ std::stringstream res;
+ res << "[Binary: ";
+ for (unsigned byte : binary)
+ res << std::hex << std::setw(2) << std::setfill('0') << byte;
+ res << ']';
+ return res.str();
+ }
+ case Char:
+ return "[Char: " + AsString() + ']';
+ case Wchar:
+ return "[Wchar: " + AsString() + ']';
+ }
+}
+
+std::string Path::AsString() const {
+ switch (GetType()) {
+ case Char:
+ return string;
+ case Wchar:
+ return Common::UTF16ToUTF8(u16str);
+ case Empty:
+ return {};
+ case Invalid:
+ case Binary:
+ default:
+ // TODO(yuriks): Add assert
+ LOG_ERROR(Service_FS, "LowPathType cannot be converted to string!");
+ return {};
+ }
+}
+
+std::u16string Path::AsU16Str() const {
+ switch (GetType()) {
+ case Char:
+ return Common::UTF8ToUTF16(string);
+ case Wchar:
+ return u16str;
+ case Empty:
+ return {};
+ case Invalid:
+ case Binary:
+ // TODO(yuriks): Add assert
+ LOG_ERROR(Service_FS, "LowPathType cannot be converted to u16string!");
+ return {};
+ }
+
+ UNREACHABLE();
+}
+
+std::vector<u8> Path::AsBinary() const {
+ switch (GetType()) {
+ case Binary:
+ return binary;
+ case Char:
+ return std::vector<u8>(string.begin(), string.end());
+ case Wchar: {
+ // use two u8 for each character of u16str
+ std::vector<u8> to_return(u16str.size() * 2);
+ for (size_t i = 0; i < u16str.size(); ++i) {
+ u16 tmp_char = u16str.at(i);
+ to_return[i * 2] = (tmp_char & 0xFF00) >> 8;
+ to_return[i * 2 + 1] = (tmp_char & 0x00FF);
+ }
+ return to_return;
+ }
+ case Empty:
+ return {};
+ case Invalid:
+ default:
+ // TODO(yuriks): Add assert
+ LOG_ERROR(Service_FS, "LowPathType cannot be converted to binary!");
+ return {};
+ }
+}
+} // namespace FileSys
--
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