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mirror of synced 2024-11-27 17:10:51 +01:00
ImHex/source/views/view_hexeditor.cpp

1304 lines
51 KiB
C++

#include "views/view_hexeditor.hpp"
#include <hex/providers/provider.hpp>
#include <hex/api/imhex_api.hpp>
#include <hex/helpers/crypto.hpp>
#include <GLFW/glfw3.h>
#include "providers/file_provider.hpp"
#include "helpers/patches.hpp"
#include "helpers/project_file_handler.hpp"
#include "helpers/loader_script_handler.hpp"
#undef __STRICT_ANSI__
#include <cstdio>
#include <filesystem>
#if defined(OS_WINDOWS)
#include <windows.h>
#else
#include <fcntl.h>
#include <unistd.h>
#endif
namespace hex {
ViewHexEditor::ViewHexEditor() : View("hex.view.hexeditor.name"_lang) {
this->m_searchStringBuffer.resize(0xFFF, 0x00);
this->m_searchHexBuffer.resize(0xFFF, 0x00);
this->m_memoryEditor.ReadFn = [](const ImU8 *data, size_t off) -> ImU8 {
auto provider = SharedData::currentProvider;
if (!provider->isAvailable() || !provider->isReadable())
return 0x00;
ImU8 byte;
provider->readRelative(off, &byte, sizeof(ImU8));
return byte;
};
this->m_memoryEditor.WriteFn = [](ImU8 *data, size_t off, ImU8 d) -> void {
auto provider = SharedData::currentProvider;
if (!provider->isAvailable() || !provider->isWritable())
return;
provider->writeRelative(off, &d, sizeof(ImU8));
EventManager::post<EventDataChanged>();
ProjectFile::markDirty();
};
this->m_memoryEditor.HighlightFn = [](const ImU8 *data, size_t off, bool next) -> bool {
ViewHexEditor *_this = (ViewHexEditor *) data;
std::optional<u32> currColor, prevColor;
off += SharedData::currentProvider->getBaseAddress();
u32 alpha = static_cast<u32>(_this->m_highlightAlpha) << 24;
for (const auto &[region, name, comment, color, locked] : ImHexApi::Bookmarks::getEntries()) {
if (off >= region.address && off < (region.address + region.size))
currColor = (color & 0x00FFFFFF) | alpha;
if ((off - 1) >= region.address && (off - 1) < (region.address + region.size))
prevColor = (color & 0x00FFFFFF) | alpha;
}
if (_this->m_highlightedBytes.contains(off)) {
auto color = (_this->m_highlightedBytes[off] & 0x00FFFFFF) | alpha;
currColor = currColor.has_value() ? ImAlphaBlendColors(color, currColor.value()) : color;
}
if (_this->m_highlightedBytes.contains(off - 1)) {
auto color = (_this->m_highlightedBytes[off - 1] & 0x00FFFFFF) | alpha;
prevColor = prevColor.has_value() ? ImAlphaBlendColors(color, prevColor.value()) : color;
}
if (next && prevColor != currColor) {
return false;
}
if (currColor.has_value() && (currColor.value() & 0x00FFFFFF) != 0x00) {
_this->m_memoryEditor.HighlightColor = (currColor.value() & 0x00FFFFFF) | alpha;
return true;
}
_this->m_memoryEditor.HighlightColor = 0x60C08080;
return false;
};
this->m_memoryEditor.HoverFn = [](const ImU8 *data, size_t off) {
bool tooltipShown = false;
off += SharedData::currentProvider->getBaseAddress();
for (const auto &[region, name, comment, color, locked] : ImHexApi::Bookmarks::getEntries()) {
if (off >= region.address && off < (region.address + region.size)) {
if (!tooltipShown) {
ImGui::BeginTooltip();
tooltipShown = true;
}
ImGui::ColorButton(name.data(), ImColor(color).Value);
ImGui::SameLine(0, 10);
ImGui::TextUnformatted(name.data());
}
}
if (tooltipShown)
ImGui::EndTooltip();
};
this->m_memoryEditor.DecodeFn = [](const ImU8 *data, size_t addr) -> MemoryEditor::DecodeData {
ViewHexEditor *_this = (ViewHexEditor *) data;
if (_this->m_currEncodingFile.getLongestSequence() == 0)
return { ".", 1, 0xFFFF8000 };
auto &provider = SharedData::currentProvider;
size_t size = std::min<size_t>(_this->m_currEncodingFile.getLongestSequence(), provider->getActualSize() - addr);
std::vector<u8> buffer(size);
provider->readRelative(addr, buffer.data(), size);
auto [decoded, advance] = _this->m_currEncodingFile.getEncodingFor(buffer);
ImColor color;
if (decoded.length() == 1 && std::isalnum(decoded[0])) color = 0xFFFF8000;
else if (decoded.length() == 1 && advance == 1) color = 0xFF0000FF;
else if (decoded.length() > 1 && advance == 1) color = 0xFF00FFFF;
else if (advance > 1) color = 0xFFFFFFFF;
else color = 0xFFFF8000;
return { std::string(decoded), advance, color };
};
EventManager::subscribe<EventFileDropped>(this, [this](const std::string &filePath) {
this->openFile(filePath);
this->getWindowOpenState() = true;
});
EventManager::subscribe<RequestSelectionChange>(this, [this](Region region) {
auto provider = SharedData::currentProvider;
auto page = provider->getPageOfAddress(region.address);
if (!page.has_value())
return;
if (region.size != 0) {
provider->setCurrentPage(page.value());
u64 start = region.address;
this->m_memoryEditor.GotoAddrAndSelect(start - provider->getBaseAddress(), start + region.size - provider->getBaseAddress() - 1);
}
EventManager::post<EventRegionSelected>(Region { this->m_memoryEditor.DataPreviewAddr, (this->m_memoryEditor.DataPreviewAddrEnd - this->m_memoryEditor.DataPreviewAddr) + 1});
});
EventManager::subscribe<EventProjectFileLoad>(this, []() {
EventManager::post<EventFileDropped>(ProjectFile::getFilePath());
});
EventManager::subscribe<EventWindowClosing>(this, [](GLFWwindow *window) {
if (ProjectFile::hasUnsavedChanges()) {
glfwSetWindowShouldClose(window, GLFW_FALSE);
View::doLater([] { ImGui::OpenPopup("hex.view.hexeditor.exit_application.title"_lang); });
}
});
EventManager::subscribe<EventPatternChanged>(this, [this]() {
this->m_highlightedBytes.clear();
for (const auto &pattern : SharedData::patternData) {
this->m_highlightedBytes.merge(pattern->getHighlightedAddresses());
}
});
EventManager::subscribe<RequestOpenWindow>(this, [this](std::string name) {
if (name == "Create File") {
View::openFileBrowser("hex.view.hexeditor.create_file"_lang, DialogMode::Save, { }, [this](auto path) {
if (!this->createFile(path)) {
View::showErrorPopup("hex.view.hexeditor.error.create"_lang);
return;
}
this->openFile(path);
this->getWindowOpenState() = true;
});
} else if (name == "Open File") {
View::openFileBrowser("hex.view.hexeditor.open_file"_lang, DialogMode::Open, { }, [this](auto path) {
this->openFile(path);
this->getWindowOpenState() = true;
});
} else if (name == "Open Project") {
View::openFileBrowser("hex.view.hexeditor.open_project"_lang, DialogMode::Open, { { "Project File", "hexproj" } }, [this](auto path) {
ProjectFile::load(path);
EventManager::post<EventProjectFileLoad>();
this->getWindowOpenState() = true;
});
}
});
EventManager::subscribe<EventFileLoaded>(this, [](std::string path) {
EventManager::post<RequestChangeWindowTitle>(std::filesystem::path(path).filename().string());
});
EventManager::subscribe<EventSettingsChanged>(this, [this] {
auto alpha = ContentRegistry::Settings::getSetting("hex.builtin.setting.interface", "hex.builtin.setting.interface.highlight_alpha");
if (alpha.is_number())
this->m_highlightAlpha = alpha;
});
}
ViewHexEditor::~ViewHexEditor() {
EventManager::unsubscribe<EventFileDropped>(this);
EventManager::unsubscribe<RequestSelectionChange>(this);
EventManager::unsubscribe<EventProjectFileLoad>(this);
EventManager::unsubscribe<EventWindowClosing>(this);
EventManager::unsubscribe<EventPatternChanged>(this);
EventManager::unsubscribe<RequestOpenWindow>(this);
EventManager::unsubscribe<EventFileLoaded>(this);
EventManager::unsubscribe<EventSettingsChanged>(this);
}
void ViewHexEditor::drawContent() {
auto provider = SharedData::currentProvider;
size_t dataSize = (provider == nullptr || !provider->isReadable()) ? 0x00 : provider->getSize();
this->m_memoryEditor.DrawWindow(View::toWindowName("hex.view.hexeditor.name").c_str(), &this->getWindowOpenState(), this, dataSize, dataSize == 0 ? 0x00 : provider->getBaseAddress());
if (dataSize != 0x00) {
if (ImGui::Begin(View::toWindowName("hex.view.hexeditor.name").c_str())) {
if (ImGui::IsMouseReleased(ImGuiMouseButton_Right) && ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows))
ImGui::OpenPopup("hex.menu.edit"_lang);
if (ImGui::BeginPopup("hex.menu.edit"_lang)) {
this->drawEditPopup();
ImGui::EndPopup();
}
ImGui::SameLine();
ImGui::Spacing();
ImGui::SameLine();
ImGui::TextUnformatted(hex::format("hex.view.hexeditor.page"_lang, provider->getCurrentPage() + 1, provider->getPageCount()).c_str());
ImGui::SameLine();
if (ImGui::ArrowButton("prevPage", ImGuiDir_Left)) {
provider->setCurrentPage(provider->getCurrentPage() - 1);
EventManager::post<EventRegionSelected>(Region { std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd), 1 });
}
ImGui::SameLine();
if (ImGui::ArrowButton("nextPage", ImGuiDir_Right)) {
provider->setCurrentPage(provider->getCurrentPage() + 1);
EventManager::post<EventRegionSelected>(Region { std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd), 1 });
}
}
ImGui::End();
this->drawSearchPopup();
this->drawGotoPopup();
}
}
static void save() {
auto provider = SharedData::currentProvider;
for (const auto &[address, value] : provider->getPatches())
provider->writeRaw(address, &value, sizeof(u8));
}
static void saveAs() {
View::openFileBrowser("hex.view.hexeditor.save_as"_lang, View::DialogMode::Save, { }, [](auto path) {
FILE *file = fopen(path.c_str(), "wb");
if (file != nullptr) {
std::vector<u8> buffer(0xFF'FFFF, 0x00);
size_t bufferSize = buffer.size();
fseek(file, 0, SEEK_SET);
auto provider = SharedData::currentProvider;
for (u64 offset = 0; offset < provider->getActualSize(); offset += bufferSize) {
if (bufferSize > provider->getActualSize() - offset)
bufferSize = provider->getActualSize() - offset;
provider->readRelative(offset, buffer.data(), bufferSize);
fwrite(buffer.data(), 1, bufferSize, file);
}
fclose(file);
}
});
}
void ViewHexEditor::drawAlwaysVisible() {
auto provider = SharedData::currentProvider;
if (ImGui::BeginPopupModal("hex.view.hexeditor.exit_application.title"_lang, nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
ImGui::NewLine();
ImGui::TextUnformatted("hex.view.hexeditor.exit_application.desc"_lang);
ImGui::NewLine();
confirmButtons("hex.common.yes"_lang, "hex.common.no"_lang, [] {
EventManager::post<RequestCloseImHex>();
},
[] {
ImGui::CloseCurrentPopup();
});
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(ImGuiKey_Escape)))
ImGui::CloseCurrentPopup();
ImGui::EndPopup();
}
if (ImGui::BeginPopupModal("hex.view.hexeditor.script.title"_lang, nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
ImGui::SetCursorPosX(10);
ImGui::TextWrapped("hex.view.hexeditor.script.desc"_lang);
ImGui::NewLine();
ImGui::InputText("##nolabel", this->m_loaderScriptScriptPath.data(), this->m_loaderScriptScriptPath.length(), ImGuiInputTextFlags_ReadOnly);
ImGui::SameLine();
if (ImGui::Button("hex.view.hexeditor.script.script"_lang)) {
View::openFileBrowser("hex.view.hexeditor.script.script.title"_lang, DialogMode::Open, { { "Python Script", "py" } }, [this](auto path) {
this->m_loaderScriptScriptPath = path;
});
}
ImGui::InputText("##nolabel", this->m_loaderScriptFilePath.data(), this->m_loaderScriptFilePath.length(), ImGuiInputTextFlags_ReadOnly);
ImGui::SameLine();
if (ImGui::Button("hex.view.hexeditor.script.file"_lang)) {
View::openFileBrowser("hex.view.hexeditor.script.file.title"_lang, DialogMode::Open, { }, [this](auto path) {
this->m_loaderScriptFilePath = path;
});
}
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(ImGuiKey_Escape)))
ImGui::CloseCurrentPopup();
ImGui::NewLine();
confirmButtons("hex.common.load"_lang, "hex.common.cancel"_lang,
[this, &provider] {
if (!this->m_loaderScriptScriptPath.empty() && !this->m_loaderScriptFilePath.empty()) {
EventManager::post<EventFileDropped>(this->m_loaderScriptFilePath);
LoaderScript::setFilePath(this->m_loaderScriptFilePath);
LoaderScript::setDataProvider(provider);
LoaderScript::processFile(this->m_loaderScriptScriptPath);
ImGui::CloseCurrentPopup();
}
},
[] {
ImGui::CloseCurrentPopup();
}
);
ImGui::EndPopup();
}
if (ImGui::BeginPopupModal("hex.view.hexeditor.menu.edit.set_base"_lang, nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
ImGui::InputText("hex.common.address"_lang, this->m_baseAddressBuffer, 16, ImGuiInputTextFlags_CharsHexadecimal);
ImGui::NewLine();
confirmButtons("hex.common.set"_lang, "hex.common.cancel"_lang,
[this, &provider]{
provider->setBaseAddress(strtoull(this->m_baseAddressBuffer, nullptr, 16));
ImGui::CloseCurrentPopup();
}, []{
ImGui::CloseCurrentPopup();
});
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(ImGuiKey_Escape)))
ImGui::CloseCurrentPopup();
ImGui::EndPopup();
}
if (ImGui::BeginPopupModal("hex.view.hexeditor.menu.edit.resize"_lang, nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
ImGui::InputScalar("hex.common.size"_lang, ImGuiDataType_U64, &this->m_resizeSize, nullptr, nullptr, "0x%016llx", ImGuiInputTextFlags_CharsHexadecimal);
ImGui::NewLine();
confirmButtons("hex.common.set"_lang, "hex.common.cancel"_lang,
[this, &provider]{
provider->resize(this->m_resizeSize);
ImGui::CloseCurrentPopup();
}, []{
ImGui::CloseCurrentPopup();
});
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(ImGuiKey_Escape)))
ImGui::CloseCurrentPopup();
ImGui::EndPopup();
}
}
void ViewHexEditor::drawMenu() {
auto &provider = SharedData::currentProvider;
if (ImGui::BeginMenu("hex.menu.file"_lang)) {
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.open_file"_lang, "CTRL + O")) {
View::openFileBrowser("hex.view.hexeditor.open_file"_lang, DialogMode::Open, { }, [this](auto path) {
EventManager::post<EventFileDropped>(path);
});
}
if (ImGui::BeginMenu("hex.view.hexeditor.menu.file.open_recent"_lang, !SharedData::recentFilePaths.empty())) {
for (auto &path : SharedData::recentFilePaths) {
if (ImGui::MenuItem(std::filesystem::path(path).filename().string().c_str())) {
EventManager::post<EventFileDropped>(path);
}
}
ImGui::EndMenu();
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.save"_lang, "CTRL + S", false, provider != nullptr && provider->isWritable())) {
save();
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.save_as"_lang, "CTRL + SHIFT + S", false, provider != nullptr && provider->isWritable())) {
saveAs();
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.close"_lang, "", false, provider != nullptr && provider->isAvailable())) {
EventManager::post<EventFileUnloaded>();
delete SharedData::currentProvider;
SharedData::currentProvider = nullptr;
}
ImGui::Separator();
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.open_project"_lang, "")) {
View::openFileBrowser("hex.view.hexeditor.menu.file.open_project"_lang, DialogMode::Open, { { "Project File", "hexproj" } }, [this](auto path) {
ProjectFile::load(path);
EventManager::post<EventProjectFileLoad>();
});
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.save_project"_lang, "", false, provider != nullptr && provider->isWritable())) {
EventManager::post<EventProjectFileStore>();
if (ProjectFile::getProjectFilePath() == "") {
View::openFileBrowser("hex.view.hexeditor.save_project"_lang, DialogMode::Save, { { "Project File", "hexproj" } }, [](auto path) {
ProjectFile::store(path);
});
}
else
ProjectFile::store();
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.load_encoding_file"_lang)) {
View::openFileBrowser("hex.view.hexeditor.load_enconding_file"_lang, DialogMode::Open, { }, [this](auto path) {
this->m_currEncodingFile = EncodingFile(EncodingFile::Type::Thingy, path);
});
}
ImGui::Separator();
if (ImGui::BeginMenu("hex.view.hexeditor.menu.file.import"_lang)) {
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.import.base64"_lang)) {
View::openFileBrowser("hex.view.hexeditor.menu.file.import.base64"_lang, DialogMode::Open, { }, [this](auto path) {
std::vector<u8> base64;
this->loadFromFile(path, base64);
if (!base64.empty()) {
this->m_dataToSave = crypt::decode64(base64);
if (this->m_dataToSave.empty())
View::showErrorPopup("hex.view.hexeditor.base64.import_error"_lang);
else
ImGui::OpenPopup("hex.view.hexeditor.save_data"_lang);
this->getWindowOpenState() = true;
} else View::showErrorPopup("hex.view.hexeditor.file_open_error"_lang);
});
}
ImGui::Separator();
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.import.ips"_lang)) {
View::openFileBrowser("hex.view.hexeditor.open_file"_lang, DialogMode::Open, { }, [this](auto path) {
auto patchData = hex::readFile(path);
auto patch = hex::loadIPSPatch(patchData);
for (auto &[address, value] : patch) {
SharedData::currentProvider->write(address, &value, 1);
}
this->getWindowOpenState() = true;
});
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.import.ips32"_lang)) {
View::openFileBrowser("hex.view.hexeditor.open_file"_lang, DialogMode::Open, { }, [this](auto path) {
auto patchData = hex::readFile(path);
auto patch = hex::loadIPS32Patch(patchData);
for (auto &[address, value] : patch) {
SharedData::currentProvider->write(address, &value, 1);
}
this->getWindowOpenState() = true;
});
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.import.script"_lang)) {
this->m_loaderScriptFilePath.clear();
this->m_loaderScriptScriptPath.clear();
View::doLater([]{ ImGui::OpenPopup("hex.view.hexeditor.script.title"_lang); });
}
ImGui::EndMenu();
}
if (ImGui::BeginMenu("hex.view.hexeditor.menu.file.export"_lang, provider != nullptr && provider->isWritable())) {
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.export.ips"_lang)) {
Patches patches = provider->getPatches();
if (!patches.contains(0x00454F45) && patches.contains(0x00454F46)) {
u8 value = 0;
provider->read(0x00454F45, &value, sizeof(u8));
patches[0x00454F45] = value;
}
this->m_dataToSave = generateIPSPatch(patches);
View::openFileBrowser("hex.view.hexeditor.menu.file.export.title"_lang, DialogMode::Save, { }, [this](auto path) {
this->saveToFile(path, this->m_dataToSave);
});
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.export.ips32"_lang)) {
Patches patches = provider->getPatches();
if (!patches.contains(0x00454F45) && patches.contains(0x45454F46)) {
u8 value = 0;
provider->read(0x45454F45, &value, sizeof(u8));
patches[0x45454F45] = value;
}
this->m_dataToSave = generateIPS32Patch(patches);
View::openFileBrowser("hex.view.hexeditor.menu.file.export.title"_lang, DialogMode::Save, { }, [this](auto path) {
this->saveToFile(path, this->m_dataToSave);
});
}
ImGui::EndMenu();
}
ImGui::Separator();
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.search"_lang, "CTRL + F")) {
this->getWindowOpenState() = true;
View::doLater([]{ ImGui::OpenPopup("hex.view.hexeditor.menu.file.search"_lang); });
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.file.goto"_lang, "CTRL + G")) {
this->getWindowOpenState() = true;
View::doLater([]{ ImGui::OpenPopup("hex.view.hexeditor.menu.file.goto"_lang); });
}
ImGui::EndMenu();
}
if (ImGui::BeginMenu("hex.menu.edit"_lang)) {
this->drawEditPopup();
ImGui::EndMenu();
}
}
bool ViewHexEditor::handleShortcut(bool keys[512], bool ctrl, bool shift, bool alt) {
if (ctrl && shift && keys['S']) {
saveAs();
return true;
} else if (ctrl && keys['S']) {
save();
return true;
}
if (ImGui::Begin(View::toWindowName("hex.view.hexeditor.name").c_str())) {
ON_SCOPE_EXIT { ImGui::End(); };
if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows)) {
if (ctrl && keys['Z']) {
if (SharedData::currentProvider != nullptr)
SharedData::currentProvider->undo();
return true;
} else if (ctrl && keys['Y']) {
if (SharedData::currentProvider != nullptr)
SharedData::currentProvider->redo();
} else if (ctrl && keys['F']) {
View::doLater([]{ ImGui::OpenPopup("hex.view.hexeditor.menu.file.search"_lang); });
return true;
} else if (ctrl && keys['G']) {
View::doLater([]{ ImGui::OpenPopup("hex.view.hexeditor.menu.file.goto"_lang); });
return true;
} else if (ctrl && keys['O']) {
View::doLater([]{ ImGui::OpenPopup("hex.view.hexeditor.open_file"_lang); });
return true;
} else if (ctrl && keys['C']) {
this->copyBytes();
return true;
} else if (ctrl && shift && keys['C']) {
this->copyString();
return true;
} else if (ctrl && keys['V']) {
this->pasteBytes();
return true;
} else if (ctrl && keys['A']) {
EventManager::post<RequestSelectionChange>(Region { SharedData::currentProvider->getBaseAddress(), SharedData::currentProvider->getSize() });
return true;
}
}
}
return false;
}
bool ViewHexEditor::createFile(std::string_view path) {
#if defined(OS_WINDOWS)
std::wstring widePath;
{
auto length = path.length() + 1;
auto wideLength = MultiByteToWideChar(CP_UTF8, 0, path.data(), length, 0, 0);
auto buffer = new wchar_t[wideLength];
MultiByteToWideChar(CP_UTF8, 0, path.data(), length, buffer, wideLength);
widePath = buffer;
delete[] buffer;
}
auto handle = ::CreateFileW(widePath.data(), GENERIC_READ | GENERIC_WRITE, FILE_SHARE_WRITE, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
if (handle == INVALID_HANDLE_VALUE)
return false;
::SetFilePointer(handle, 1, nullptr, FILE_BEGIN);
::SetEndOfFile(handle);
::CloseHandle(handle);
#else
auto handle = ::open(path.data(), O_RDWR | O_CREAT, 0644);
if (handle == -1)
return false;
lseek(handle, 0, SEEK_SET);
write(handle, "", 1);
close(handle);
#endif
return true;
}
void ViewHexEditor::openFile(std::string_view path) {
auto& provider = SharedData::currentProvider;
delete provider;
provider = new prv::FileProvider(path);
if (!provider->isWritable()) {
this->m_memoryEditor.ReadOnly = true;
View::showErrorPopup("hex.view.hexeditor.error.read_only"_lang);
} else {
this->m_memoryEditor.ReadOnly = false;
}
if (!provider->isAvailable()) {
View::showErrorPopup("hex.view.hexeditor.error.open"_lang);
delete provider;
provider = nullptr;
return;
}
ProjectFile::setFilePath(path);
this->getWindowOpenState() = true;
EventManager::post<EventFileLoaded>(std::string(path));
EventManager::post<EventDataChanged>();
EventManager::post<EventPatternChanged>();
}
bool ViewHexEditor::saveToFile(std::string_view path, const std::vector<u8>& data) {
FILE *file = fopen(path.data(), "wb");
if (file == nullptr)
return false;
fwrite(data.data(), 1, data.size(), file);
fclose(file);
return true;
}
bool ViewHexEditor::loadFromFile(std::string_view path, std::vector<u8>& data) {
FILE *file = fopen(path.data(), "rb");
if (file == nullptr)
return false;
fseek(file, 0, SEEK_END);
size_t size = ftello64(file);
rewind(file);
data.resize(size);
fread(data.data(), 1, data.size(), file);
fclose(file);
return true;
}
void ViewHexEditor::copyBytes() {
auto provider = SharedData::currentProvider;
size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t copySize = (end - start) + 1;
std::vector<u8> buffer(copySize, 0x00);
provider->readRelative(start, buffer.data(), buffer.size());
std::string str;
for (const auto &byte : buffer)
str += hex::format("{0:02X} ", byte);
str.pop_back();
ImGui::SetClipboardText(str.c_str());
}
void ViewHexEditor::pasteBytes() {
auto provider = SharedData::currentProvider;
size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
std::string clipboard = ImGui::GetClipboardText();
// Check for non-hex characters
bool isValidHexString = std::find_if(clipboard.begin(), clipboard.end(), [](char c) {
return !std::isxdigit(c) && !std::isspace(c);
}) == clipboard.end();
if (!isValidHexString) return;
// Remove all whitespace
std::erase_if(clipboard, [](char c) { return std::isspace(c); });
// Only paste whole bytes
if (clipboard.length() % 2 != 0) return;
// Convert hex string to bytes
std::vector<u8> buffer(clipboard.length() / 2, 0x00);
u32 stringIndex = 0;
for (u8 &byte : buffer) {
for (u8 i = 0; i < 2; i++) {
byte <<= 4;
char c = clipboard[stringIndex];
if (c >= '0' && c <= '9') byte |= (c - '0');
else if (c >= 'a' && c <= 'f') byte |= (c - 'a') + 0xA;
else if (c >= 'A' && c <= 'F') byte |= (c - 'A') + 0xA;
stringIndex++;
}
}
// Write bytes
provider->writeRelative(start, buffer.data(), std::min(end - start + 1, buffer.size()));
}
void ViewHexEditor::copyString() {
auto provider = SharedData::currentProvider;
size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t copySize = (end - start) + 1;
std::string buffer(copySize, 0x00);
buffer.reserve(copySize + 1);
provider->readRelative(start, buffer.data(), copySize);
ImGui::SetClipboardText(buffer.c_str());
}
void ViewHexEditor::copyLanguageArray(Language language) {
auto provider = SharedData::currentProvider;
size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t copySize = (end - start) + 1;
std::vector<u8> buffer(copySize, 0x00);
provider->readRelative(start, buffer.data(), buffer.size());
std::string str;
switch (language) {
case Language::C:
str += "const unsigned char data[" + std::to_string(buffer.size()) + "] = { ";
for (const auto &byte : buffer)
str += hex::format("0x{0:02X}, ", byte);
// Remove trailing comma
str.pop_back();
str.pop_back();
str += " };";
break;
case Language::Cpp:
str += "constexpr std::array<unsigned char, " + std::to_string(buffer.size()) + "> data = { ";
for (const auto &byte : buffer)
str += hex::format("0x{0:02X}, ", byte);
// Remove trailing comma
str.pop_back();
str.pop_back();
str += " };";
break;
case Language::Java:
str += "final byte[] data = { ";
for (const auto &byte : buffer)
str += hex::format("0x{0:02X}, ", byte);
// Remove trailing comma
str.pop_back();
str.pop_back();
str += " };";
break;
case Language::CSharp:
str += "const byte[] data = { ";
for (const auto &byte : buffer)
str += hex::format("0x{0:02X}, ", byte);
// Remove trailing comma
str.pop_back();
str.pop_back();
str += " };";
break;
case Language::Rust:
str += "let data: [u8, " + std::to_string(buffer.size()) + "] = [ ";
for (const auto &byte : buffer)
str += hex::format("0x{0:02X}, ", byte);
// Remove trailing comma
str.pop_back();
str.pop_back();
str += " ];";
break;
case Language::Python:
str += "data = bytes([ ";
for (const auto &byte : buffer)
str += hex::format("0x{0:02X}, ", byte);
// Remove trailing comma
str.pop_back();
str.pop_back();
str += " ]);";
break;
case Language::JavaScript:
str += "const data = new Uint8Array([ ";
for (const auto &byte : buffer)
str += hex::format("0x{0:02X}, ", byte);
// Remove trailing comma
str.pop_back();
str.pop_back();
str += " ]);";
break;
}
ImGui::SetClipboardText(str.c_str());
}
void ViewHexEditor::copyHexView() {
auto provider = SharedData::currentProvider;
size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t copySize = (end - start) + 1;
std::vector<u8> buffer(copySize, 0x00);
provider->readRelative(start, buffer.data(), buffer.size());
std::string str = "Hex View 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F\n\n";
for (u32 col = start >> 4; col <= (end >> 4); col++) {
str += hex::format("{0:08X} ", col << 4);
for (u64 i = 0 ; i < 16; i++) {
if (col == (start >> 4) && i < (start & 0xF) || col == (end >> 4) && i > (end & 0xF))
str += " ";
else
str += hex::format("{0:02X} ", buffer[((col << 4) - start) + i]);
if ((i & 0xF) == 0x7)
str += " ";
}
str += " ";
for (u64 i = 0 ; i < 16; i++) {
if (col == (start >> 4) && i < (start & 0xF) || col == (end >> 4) && i > (end & 0xF))
str += " ";
else {
u8 c = buffer[((col << 4) - start) + i];
char displayChar = (c < 32 || c >= 128) ? '.' : c;
str += hex::format("{0}", displayChar);
}
}
str += "\n";
}
ImGui::SetClipboardText(str.c_str());
}
void ViewHexEditor::copyHexViewHTML() {
auto provider = SharedData::currentProvider;
size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t copySize = (end - start) + 1;
std::vector<u8> buffer(copySize, 0x00);
provider->readRelative(start, buffer.data(), buffer.size());
std::string str =
R"(
<div>
<style type="text/css">
.offsetheader { color:#0000A0; line-height:200% }
.offsetcolumn { color:#0000A0 }
.hexcolumn { color:#000000 }
.textcolumn { color:#000000 }
</style>
<code>
<span class="offsetheader">Hex View&nbsp&nbsp00 01 02 03 04 05 06 07&nbsp 08 09 0A 0B 0C 0D 0E 0F</span><br/>
)";
for (u32 col = start >> 4; col <= (end >> 4); col++) {
str += hex::format(" <span class=\"offsetcolumn\">{0:08X}</span>&nbsp&nbsp<span class=\"hexcolumn\">", col << 4);
for (u64 i = 0 ; i < 16; i++) {
if (col == (start >> 4) && i < (start & 0xF) || col == (end >> 4) && i > (end & 0xF))
str += "&nbsp&nbsp ";
else
str += hex::format("{0:02X} ", buffer[((col << 4) - start) + i]);
if ((i & 0xF) == 0x7)
str += "&nbsp";
}
str += "</span>&nbsp&nbsp<span class=\"textcolumn\">";
for (u64 i = 0 ; i < 16; i++) {
if (col == (start >> 4) && i < (start & 0xF) || col == (end >> 4) && i > (end & 0xF))
str += "&nbsp";
else {
u8 c = buffer[((col << 4) - start) + i];
char displayChar = (c < 32 || c >= 128) ? '.' : c;
str += hex::format("{0}", displayChar);
}
}
str += "</span><br/>\n";
}
str +=
R"(
</code>
</div>
)";
ImGui::SetClipboardText(str.c_str());
}
static std::vector<std::pair<u64, u64>> findString(prv::Provider* &provider, std::string string) {
std::vector<std::pair<u64, u64>> results;
u32 foundCharacters = 0;
std::vector<u8> buffer(1024, 0x00);
size_t dataSize = provider->getSize();
for (u64 offset = 0; offset < dataSize; offset += 1024) {
size_t usedBufferSize = std::min(u64(buffer.size()), dataSize - offset);
provider->readRelative(offset, buffer.data(), usedBufferSize);
for (u64 i = 0; i < usedBufferSize; i++) {
if (buffer[i] == string[foundCharacters])
foundCharacters++;
else
foundCharacters = 0;
if (foundCharacters == string.size()) {
results.emplace_back(offset + i - foundCharacters + 1, offset + i + 1);
foundCharacters = 0;
}
}
}
return results;
}
static std::vector<std::pair<u64, u64>> findHex(prv::Provider* &provider, std::string string) {
std::vector<std::pair<u64, u64>> results;
if ((string.size() % 2) == 1)
string = "0" + string;
std::vector<u8> hex;
hex.reserve(string.size() / 2);
for (u32 i = 0; i < string.size(); i += 2) {
char byte[3] = { string[i], string[i + 1], 0 };
hex.push_back(strtoul(byte, nullptr, 16));
}
u32 foundCharacters = 0;
std::vector<u8> buffer(1024, 0x00);
size_t dataSize = provider->getSize();
for (u64 offset = 0; offset < dataSize; offset += 1024) {
size_t usedBufferSize = std::min(u64(buffer.size()), dataSize - offset);
provider->readRelative(offset, buffer.data(), usedBufferSize);
for (u64 i = 0; i < usedBufferSize; i++) {
if (buffer[i] == hex[foundCharacters])
foundCharacters++;
else
foundCharacters = 0;
if (foundCharacters == hex.size()) {
results.emplace_back(offset + i - foundCharacters + 1, offset + i + 1);
foundCharacters = 0;
}
}
}
return results;
}
void ViewHexEditor::drawSearchPopup() {
static auto InputCallback = [](ImGuiInputTextCallbackData* data) -> int {
auto _this = static_cast<ViewHexEditor*>(data->UserData);
auto provider = SharedData::currentProvider;
*_this->m_lastSearchBuffer = _this->m_searchFunction(provider, data->Buf);
_this->m_lastSearchIndex = 0;
if (_this->m_lastSearchBuffer->size() > 0)
_this->m_memoryEditor.GotoAddrAndSelect((*_this->m_lastSearchBuffer)[0].first, (*_this->m_lastSearchBuffer)[0].second);
return 0;
};
static auto Find = [this](char *buffer) {
auto provider = SharedData::currentProvider;
*this->m_lastSearchBuffer = this->m_searchFunction(provider, buffer);
this->m_lastSearchIndex = 0;
if (this->m_lastSearchBuffer->size() > 0)
this->m_memoryEditor.GotoAddrAndSelect((*this->m_lastSearchBuffer)[0].first, (*this->m_lastSearchBuffer)[0].second);
};
static auto FindNext = [this]() {
if (this->m_lastSearchBuffer->size() > 0) {
++this->m_lastSearchIndex %= this->m_lastSearchBuffer->size();
this->m_memoryEditor.GotoAddrAndSelect((*this->m_lastSearchBuffer)[this->m_lastSearchIndex].first,
(*this->m_lastSearchBuffer)[this->m_lastSearchIndex].second);
}
};
static auto FindPrevious = [this]() {
if (this->m_lastSearchBuffer->size() > 0) {
this->m_lastSearchIndex--;
if (this->m_lastSearchIndex < 0)
this->m_lastSearchIndex = this->m_lastSearchBuffer->size() - 1;
this->m_lastSearchIndex %= this->m_lastSearchBuffer->size();
this->m_memoryEditor.GotoAddrAndSelect((*this->m_lastSearchBuffer)[this->m_lastSearchIndex].first,
(*this->m_lastSearchBuffer)[this->m_lastSearchIndex].second);
}
};
if (ImGui::BeginPopupContextVoid("hex.view.hexeditor.menu.file.search"_lang)) {
ImGui::TextUnformatted("hex.view.hexeditor.menu.file.search"_lang);
if (ImGui::BeginTabBar("searchTabs")) {
std::vector<char> *currBuffer = nullptr;
if (ImGui::BeginTabItem("hex.view.hexeditor.search.string"_lang)) {
this->m_searchFunction = findString;
this->m_lastSearchBuffer = &this->m_lastStringSearch;
currBuffer = &this->m_searchStringBuffer;
ImGui::InputText("##nolabel", currBuffer->data(), currBuffer->size(), ImGuiInputTextFlags_CallbackCompletion,
InputCallback, this);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("hex.view.hexeditor.search.hex"_lang)) {
this->m_searchFunction = findHex;
this->m_lastSearchBuffer = &this->m_lastHexSearch;
currBuffer = &this->m_searchHexBuffer;
ImGui::InputText("##nolabel", currBuffer->data(), currBuffer->size(),
ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CallbackCompletion,
InputCallback, this);
ImGui::EndTabItem();
}
if (currBuffer != nullptr) {
if (ImGui::Button("hex.view.hexeditor.search.find"_lang))
Find(currBuffer->data());
if (this->m_lastSearchBuffer->size() > 0) {
if ((ImGui::Button("hex.view.hexeditor.search.find_next"_lang)))
FindNext();
ImGui::SameLine();
if ((ImGui::Button("hex.view.hexeditor.search.find_prev"_lang)))
FindPrevious();
}
}
ImGui::EndTabBar();
}
ImGui::EndPopup();
}
}
void ViewHexEditor::drawGotoPopup() {
auto provider = SharedData::currentProvider;
auto baseAddress = provider->getBaseAddress();
auto dataSize = provider->getActualSize();
if (ImGui::BeginPopup("hex.view.hexeditor.menu.file.goto"_lang)) {
ImGui::TextUnformatted("hex.view.hexeditor.menu.file.goto"_lang);
if (ImGui::BeginTabBar("gotoTabs")) {
u64 newOffset = 0;
if (ImGui::BeginTabItem("hex.view.hexeditor.goto.offset.absolute"_lang)) {
ImGui::InputScalar("hex", ImGuiDataType_U64, &this->m_gotoAddress, nullptr, nullptr, "%llx", ImGuiInputTextFlags_CharsHexadecimal);
if (this->m_gotoAddress < baseAddress || this->m_gotoAddress > baseAddress + dataSize)
this->m_gotoAddress = baseAddress;
newOffset = this->m_gotoAddress;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("hex.view.hexeditor.goto.offset.begin"_lang)) {
ImGui::InputScalar("hex", ImGuiDataType_U64, &this->m_gotoAddress, nullptr, nullptr, "%llx", ImGuiInputTextFlags_CharsHexadecimal);
if (this->m_gotoAddress < 0 || this->m_gotoAddress > dataSize)
this->m_gotoAddress = 0;
newOffset = this->m_gotoAddress + baseAddress;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("hex.view.hexeditor.goto.offset.current"_lang)) {
ImGui::InputScalar("dec", ImGuiDataType_S64, &this->m_gotoAddress, nullptr, nullptr, "%lld", ImGuiInputTextFlags_CharsDecimal);
s64 currSelectionOffset = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
if (currSelectionOffset + this->m_gotoAddress < 0)
this->m_gotoAddress = -currSelectionOffset;
else if (currSelectionOffset + this->m_gotoAddress > dataSize)
this->m_gotoAddress = dataSize - currSelectionOffset;
newOffset = currSelectionOffset + this->m_gotoAddress + baseAddress;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("hex.view.hexeditor.goto.offset.end"_lang)) {
ImGui::InputScalar("hex", ImGuiDataType_U64, &this->m_gotoAddress, nullptr, nullptr, "%llx", ImGuiInputTextFlags_CharsHexadecimal);
if (this->m_gotoAddress < 0 || this->m_gotoAddress > dataSize)
this->m_gotoAddress = 0;
newOffset = (baseAddress + dataSize) - this->m_gotoAddress - 1;
ImGui::EndTabItem();
}
if (ImGui::Button("hex.view.hexeditor.menu.file.goto"_lang)) {
provider->setCurrentPage(std::floor(double(newOffset - baseAddress) / prv::Provider::PageSize));
EventManager::post<RequestSelectionChange>(Region { newOffset, 1 });
}
ImGui::EndTabBar();
}
ImGui::EndPopup();
}
}
void ViewHexEditor::drawEditPopup() {
if (ImGui::MenuItem("hex.view.hexeditor.menu.edit.undo"_lang, "CTRL + Z", false, SharedData::currentProvider != nullptr))
SharedData::currentProvider->undo();
if (ImGui::MenuItem("hex.view.hexeditor.menu.edit.redo"_lang, "CTRL + Y", false, SharedData::currentProvider != nullptr))
SharedData::currentProvider->redo();
ImGui::Separator();
bool bytesSelected = this->m_memoryEditor.DataPreviewAddr != -1 && this->m_memoryEditor.DataPreviewAddrEnd != -1;
if (ImGui::MenuItem("hex.view.hexeditor.menu.edit.copy"_lang, "CTRL + C", false, bytesSelected))
this->copyBytes();
if (ImGui::BeginMenu("hex.view.hexeditor.menu.edit.copy_as"_lang, bytesSelected)) {
if (ImGui::MenuItem("hex.view.hexeditor.copy.hex"_lang, "CTRL + SHIFT + C"))
this->copyString();
ImGui::Separator();
if (ImGui::MenuItem("hex.view.hexeditor.copy.c"_lang))
this->copyLanguageArray(Language::C);
if (ImGui::MenuItem("hex.view.hexeditor.copy.cpp"_lang))
this->copyLanguageArray(Language::Cpp);
if (ImGui::MenuItem("hex.view.hexeditor.copy.csharp"_lang))
this->copyLanguageArray(Language::CSharp);
if (ImGui::MenuItem("hex.view.hexeditor.copy.rust"_lang))
this->copyLanguageArray(Language::Rust);
if (ImGui::MenuItem("hex.view.hexeditor.copy.python"_lang))
this->copyLanguageArray(Language::Python);
if (ImGui::MenuItem("hex.view.hexeditor.copy.java"_lang))
this->copyLanguageArray(Language::Java);
if (ImGui::MenuItem("hex.view.hexeditor.copy.js"_lang))
this->copyLanguageArray(Language::JavaScript);
ImGui::Separator();
if (ImGui::MenuItem("hex.view.hexeditor.copy.ascii"_lang))
this->copyHexView();
if (ImGui::MenuItem("hex.view.hexeditor.copy.html"_lang))
this->copyHexViewHTML();
ImGui::EndMenu();
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.edit.paste"_lang, "CTRL + V", false, bytesSelected))
this->pasteBytes();
ImGui::Separator();
if (ImGui::MenuItem("hex.view.hexeditor.menu.edit.bookmark"_lang, nullptr, false, this->m_memoryEditor.DataPreviewAddr != -1 && this->m_memoryEditor.DataPreviewAddrEnd != -1)) {
auto base = SharedData::currentProvider->getBaseAddress();
size_t start = base + std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
size_t end = base + std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
ImHexApi::Bookmarks::add(start, end - start + 1, { }, { });
}
auto provider = SharedData::currentProvider;
if (ImGui::MenuItem("hex.view.hexeditor.menu.edit.set_base"_lang, nullptr, false, provider != nullptr && provider->isReadable())) {
std::memset(this->m_baseAddressBuffer, 0x00, sizeof(this->m_baseAddressBuffer));
View::doLater([]{ ImGui::OpenPopup("hex.view.hexeditor.menu.edit.set_base"_lang); });
}
if (ImGui::MenuItem("hex.view.hexeditor.menu.edit.resize"_lang, nullptr, false, provider != nullptr && provider->isResizable())) {
View::doLater([this, &provider]{
this->m_resizeSize = provider->getActualSize();
ImGui::OpenPopup("hex.view.hexeditor.menu.edit.resize"_lang);
});
}
}
}