346 lines
12 KiB
C++
346 lines
12 KiB
C++
#include "content/providers/file_provider.hpp"
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#include "content/providers/memory_file_provider.hpp"
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#include <hex/api/imhex_api.hpp>
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#include <hex/api/localization_manager.hpp>
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#include <hex/api/project_file_manager.hpp>
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#include <hex/api/task_manager.hpp>
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#include <toasts/toast_notification.hpp>
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#include <hex/helpers/utils.hpp>
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#include <hex/helpers/fmt.hpp>
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#include <fmt/chrono.h>
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#include <wolv/utils/string.hpp>
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#include <nlohmann/json.hpp>
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#include <cstring>
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#include <popups/popup_question.hpp>
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#if defined(OS_WINDOWS)
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#include <windows.h>
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#endif
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namespace hex::plugin::builtin {
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std::set<FileProvider*> FileProvider::s_openedFiles;
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bool FileProvider::isAvailable() const {
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return true;
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}
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bool FileProvider::isReadable() const {
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return isAvailable() && m_readable;
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}
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bool FileProvider::isWritable() const {
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return isAvailable() && m_writable;
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}
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bool FileProvider::isResizable() const {
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return isAvailable() && isWritable();
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}
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bool FileProvider::isSavable() const {
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return m_loadedIntoMemory;
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}
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void FileProvider::readRaw(u64 offset, void *buffer, size_t size) {
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if (m_fileSize == 0 || (offset + size) > m_fileSize || buffer == nullptr || size == 0)
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return;
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if (m_loadedIntoMemory)
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std::memcpy(buffer, m_data.data() + offset, size);
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else
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m_file.readBufferAtomic(offset, static_cast<u8*>(buffer), size);
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}
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void FileProvider::writeRaw(u64 offset, const void *buffer, size_t size) {
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if ((offset + size) > this->getActualSize() || buffer == nullptr || size == 0)
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return;
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if (m_loadedIntoMemory)
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std::memcpy(m_data.data() + offset, buffer, size);
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else
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m_file.writeBufferAtomic(offset, static_cast<const u8*>(buffer), size);
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}
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void FileProvider::save() {
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if (m_loadedIntoMemory) {
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m_file.open();
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m_file.writeVectorAtomic(0x00, m_data);
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m_file.setSize(m_data.size());
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} else {
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m_file.flush();
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}
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#if defined(OS_WINDOWS)
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FILETIME ft;
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SYSTEMTIME st;
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if (m_file.isValid()) {
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GetSystemTime(&st);
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if (SystemTimeToFileTime(&st, &ft)) {
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auto fileHandle = HANDLE(_get_osfhandle(_fileno(m_file.getHandle())));
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SetFileTime(fileHandle, nullptr, nullptr, &ft);
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}
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}
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#endif
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if (m_loadedIntoMemory)
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m_file.close();
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Provider::save();
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}
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void FileProvider::saveAs(const std::fs::path &path) {
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if (path == m_path)
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this->save();
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else
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Provider::saveAs(path);
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}
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void FileProvider::resizeRaw(u64 newSize) {
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if (m_loadedIntoMemory)
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m_data.resize(newSize);
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else
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m_file.setSize(newSize);
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m_fileSize = newSize;
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}
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u64 FileProvider::getActualSize() const {
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return m_fileSize;
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}
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std::string FileProvider::getName() const {
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return wolv::util::toUTF8String(m_path.filename());
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}
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std::vector<FileProvider::Description> FileProvider::getDataDescription() const {
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std::vector<Description> result;
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result.emplace_back("hex.builtin.provider.file.path"_lang, wolv::util::toUTF8String(m_path));
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result.emplace_back("hex.builtin.provider.file.size"_lang, hex::toByteString(this->getActualSize()));
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if (m_fileStats.has_value()) {
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std::string creationTime, accessTime, modificationTime;
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try { creationTime = hex::format("{:%Y-%m-%d %H:%M:%S}", fmt::localtime(m_fileStats->st_ctime)); }
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catch (const std::exception&) { creationTime = "???"; }
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try { accessTime = hex::format("{:%Y-%m-%d %H:%M:%S}", fmt::localtime(m_fileStats->st_atime)); }
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catch (const std::exception&) { accessTime = "???"; }
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try { modificationTime = hex::format("{:%Y-%m-%d %H:%M:%S}", fmt::localtime(m_fileStats->st_mtime)); }
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catch (const std::exception&) { modificationTime = "???"; }
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result.emplace_back("hex.builtin.provider.file.creation"_lang, creationTime);
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result.emplace_back("hex.builtin.provider.file.access"_lang, accessTime);
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result.emplace_back("hex.builtin.provider.file.modification"_lang, modificationTime);
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}
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return result;
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}
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std::variant<std::string, i128> FileProvider::queryInformation(const std::string &category, const std::string &argument) {
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if (category == "file_path")
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return wolv::util::toUTF8String(m_path);
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else if (category == "file_name")
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return wolv::util::toUTF8String(m_path.filename());
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else if (category == "file_extension")
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return wolv::util::toUTF8String(m_path.extension());
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else if (category == "creation_time")
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return m_fileStats->st_ctime;
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else if (category == "access_time")
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return m_fileStats->st_atime;
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else if (category == "modification_time")
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return m_fileStats->st_mtime;
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else if (category == "permissions")
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return m_fileStats->st_mode & 0777;
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else
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return Provider::queryInformation(category, argument);
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}
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bool FileProvider::handleFilePicker() {
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return fs::openFileBrowser(fs::DialogMode::Open, {}, [this](const auto &path) {
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this->setPath(path);
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});
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}
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std::vector<FileProvider::MenuEntry> FileProvider::getMenuEntries(){
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return {
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{ "hex.builtin.provider.file.menu.open_folder"_lang, [this] { fs::openFolderWithSelectionExternal(m_path); } },
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{ "hex.builtin.provider.file.menu.open_file"_lang, [this] { fs::openFileExternal(m_path); } },
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{ "hex.builtin.provider.file.menu.into_memory"_lang, [this] { this->convertToMemoryFile(); } }
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};
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}
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void FileProvider::setPath(const std::fs::path &path) {
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m_path = path;
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}
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bool FileProvider::open() {
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m_readable = true;
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m_writable = true;
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if (!std::fs::exists(m_path)) {
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this->setErrorMessage(hex::format("hex.builtin.provider.file.error.open"_lang, m_path.string(), ::strerror(ENOENT)));
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return false;
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}
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wolv::io::File file(m_path, wolv::io::File::Mode::Write);
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if (!file.isValid()) {
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m_writable = false;
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file = wolv::io::File(m_path, wolv::io::File::Mode::Read);
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if (!file.isValid()) {
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m_readable = false;
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this->setErrorMessage(hex::format("hex.builtin.provider.file.error.open"_lang, m_path.string(), ::strerror(errno)));
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return false;
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}
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ui::ToastInfo::open("hex.builtin.popup.error.read_only"_lang);
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}
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m_file = std::move(file);
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m_fileStats = m_file.getFileInfo();
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m_fileSize = m_file.getSize();
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// Make sure the current file is not already opened
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{
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auto alreadyOpenedFileProvider = std::ranges::find_if(s_openedFiles, [this](const FileProvider *provider) {
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return provider->m_path == m_path;
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});
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if (alreadyOpenedFileProvider != s_openedFiles.end()) {
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ImHexApi::Provider::setCurrentProvider(*alreadyOpenedFileProvider);
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return false;
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} else {
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s_openedFiles.insert(this);
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}
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}
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if (m_writable) {
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if (m_fileSize < MaxMemoryFileSize) {
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m_data = m_file.readVectorAtomic(0x00, m_fileSize);
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if (!m_data.empty()) {
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m_changeTracker = wolv::io::ChangeTracker(m_file);
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m_changeTracker.startTracking([this]{ this->handleFileChange(); });
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m_file.close();
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m_loadedIntoMemory = true;
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}
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} else {
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m_writable = false;
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ui::PopupQuestion::open("hex.builtin.provider.file.too_large"_lang,
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[this] {
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m_writable = false;
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},
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[this] {
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m_writable = true;
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RequestUpdateWindowTitle::post();
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});
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}
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}
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return true;
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}
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void FileProvider::close() {
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m_file.close();
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m_data.clear();
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s_openedFiles.erase(this);
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m_changeTracker.stopTracking();
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}
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void FileProvider::loadSettings(const nlohmann::json &settings) {
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Provider::loadSettings(settings);
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auto pathString = settings.at("path").get<std::string>();
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std::fs::path path = std::u8string(pathString.begin(), pathString.end());
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if (auto projectPath = ProjectFile::getPath(); !projectPath.empty()) {
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try {
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this->setPath(std::fs::weakly_canonical(projectPath.parent_path() / path));
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} catch (const std::fs::filesystem_error &) {
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try {
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this->setPath(projectPath.parent_path() / path);
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} catch (const std::fs::filesystem_error &e) {
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this->setErrorMessage(hex::format("hex.builtin.provider.file.error.open"_lang, m_path.string(), e.what()));
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}
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}
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} else {
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this->setPath(path);
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}
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}
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nlohmann::json FileProvider::storeSettings(nlohmann::json settings) const {
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std::string path;
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if (auto projectPath = ProjectFile::getPath(); !projectPath.empty())
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path = wolv::util::toUTF8String(std::fs::proximate(m_path, projectPath.parent_path()));
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if (path.empty())
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path = wolv::util::toUTF8String(m_path);
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settings["path"] = path;
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return Provider::storeSettings(settings);
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}
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std::pair<Region, bool> FileProvider::getRegionValidity(u64 address) const {
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address -= this->getBaseAddress();
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if (address < this->getActualSize())
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return { Region { this->getBaseAddress() + address, this->getActualSize() - address }, true };
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else
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return { Region::Invalid(), false };
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}
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void FileProvider::convertToMemoryFile() {
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auto newProvider = hex::ImHexApi::Provider::createProvider("hex.builtin.provider.mem_file", true);
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if (auto memoryProvider = dynamic_cast<MemoryFileProvider*>(newProvider); memoryProvider != nullptr) {
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if (!memoryProvider->open()) {
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ImHexApi::Provider::remove(newProvider);
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} else {
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const auto size = this->getActualSize();
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TaskManager::createTask("Loading into memory", size, [this, size, memoryProvider](Task &task) {
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task.setInterruptCallback([memoryProvider]{
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ImHexApi::Provider::remove(memoryProvider);
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});
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constexpr static size_t BufferSize = 0x10000;
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std::vector<u8> buffer(BufferSize);
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memoryProvider->resize(size);
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for (u64 i = 0; i < size; i += BufferSize) {
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auto copySize = std::min<size_t>(BufferSize, size - i);
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this->read(i, buffer.data(), copySize, true);
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memoryProvider->writeRaw(i, buffer.data(), copySize);
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task.update(i);
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}
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memoryProvider->markDirty(true);
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memoryProvider->getUndoStack().reset();
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TaskManager::runWhenTasksFinished([this]{
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ImHexApi::Provider::remove(this, false);
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});
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});
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}
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}
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}
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void FileProvider::handleFileChange() {
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ui::PopupQuestion::open("hex.builtin.provider.file.reload_changes"_lang, [this] {
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this->close();
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(void)this->open();
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getUndoStack().reapply();
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},
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[]{});
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}
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}
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