657 lines
24 KiB
C++
657 lines
24 KiB
C++
#include "views/view_hexeditor.hpp"
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#include "providers/provider.hpp"
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#include "providers/file_provider.hpp"
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#include <GLFW/glfw3.h>
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namespace hex {
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ViewHexEditor::ViewHexEditor(prv::Provider* &dataProvider, std::vector<lang::PatternData*> &patternData)
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: View(), m_dataProvider(dataProvider), m_patternData(patternData) {
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this->m_memoryEditor.ReadFn = [](const ImU8 *data, size_t off) -> ImU8 {
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ViewHexEditor *_this = (ViewHexEditor *) data;
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if (!_this->m_dataProvider->isAvailable() || !_this->m_dataProvider->isReadable())
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return 0x00;
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ImU8 byte;
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_this->m_dataProvider->read(off, &byte, sizeof(ImU8));
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return byte;
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};
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this->m_memoryEditor.WriteFn = [](ImU8 *data, size_t off, ImU8 d) -> void {
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ViewHexEditor *_this = (ViewHexEditor *) data;
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if (!_this->m_dataProvider->isAvailable() || !_this->m_dataProvider->isWritable())
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return;
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_this->m_dataProvider->write(off, &d, sizeof(ImU8));
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_this->postEvent(Events::DataChanged);
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};
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this->m_memoryEditor.HighlightFn = [](const ImU8 *data, size_t off, bool next) -> bool {
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ViewHexEditor *_this = (ViewHexEditor *) data;
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for (auto& pattern : _this->m_patternData) {
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if (next && pattern->highlightBytes(off - 1) != pattern->highlightBytes(off)) {
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return false;
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}
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if (auto color = pattern->highlightBytes(off); color.has_value()) {
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_this->m_memoryEditor.HighlightColor = color.value();
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return true;
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}
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}
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_this->m_memoryEditor.HighlightColor = 0x60C08080;
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return false;
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};
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View::subscribeEvent(Events::FileDropped, [this](const void *userData) {
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auto filePath = static_cast<const char*>(userData);
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if (filePath != nullptr)
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this->openFile(filePath);
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});
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}
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ViewHexEditor::~ViewHexEditor() {
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if (this->m_dataProvider != nullptr)
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delete this->m_dataProvider;
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this->m_dataProvider = nullptr;
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}
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void ViewHexEditor::createView() {
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if (!this->m_memoryEditor.Open)
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return;
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size_t dataSize = (this->m_dataProvider == nullptr || !this->m_dataProvider->isReadable()) ? 0x00 : this->m_dataProvider->getSize();
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this->m_memoryEditor.DrawWindow("Hex Editor", this, dataSize, dataSize == 0 ? 0x00 : this->m_dataProvider->getBaseAddress());
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if (dataSize != 0x00) {
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ImGui::Begin("Hex Editor");
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ImGui::SameLine();
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ImGui::Text("Page %d / %d", this->m_dataProvider->getCurrentPage() + 1, this->m_dataProvider->getPageCount());
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ImGui::SameLine();
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if (ImGui::ArrowButton("prevPage", ImGuiDir_Left)) {
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this->m_dataProvider->setCurrentPage(this->m_dataProvider->getCurrentPage() - 1);
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size_t dataPreviewStart = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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View::postEvent(Events::ByteSelected, &dataPreviewStart);
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}
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ImGui::SameLine();
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if (ImGui::ArrowButton("nextPage", ImGuiDir_Right)) {
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this->m_dataProvider->setCurrentPage(this->m_dataProvider->getCurrentPage() + 1);
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size_t dataPreviewStart = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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View::postEvent(Events::ByteSelected, &dataPreviewStart);
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}
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ImGui::End();
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this->drawSearchPopup();
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this->drawGotoPopup();
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}
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if (this->m_fileBrowser.showFileDialog("Open File", imgui_addons::ImGuiFileBrowser::DialogMode::OPEN)) {
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this->openFile(this->m_fileBrowser.selected_path);
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}
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}
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void ViewHexEditor::openFile(std::string path) {
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if (this->m_dataProvider != nullptr)
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delete this->m_dataProvider;
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this->m_dataProvider = new prv::FileProvider(path);
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View::postEvent(Events::DataChanged);
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}
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void ViewHexEditor::copyBytes() {
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size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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size_t copySize = (end - start) + 1;
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std::vector<u8> buffer(copySize, 0x00);
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this->m_dataProvider->read(start, buffer.data(), buffer.size());
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std::string str;
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for (const auto &byte : buffer)
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str += hex::format("%02X ", byte);
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str.pop_back();
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ImGui::SetClipboardText(str.c_str());
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}
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void ViewHexEditor::copyString() {
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size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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size_t copySize = (end - start) + 1;
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std::string buffer(copySize, 0x00);
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buffer.reserve(copySize + 1);
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this->m_dataProvider->read(start, buffer.data(), copySize);
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ImGui::SetClipboardText(buffer.c_str());
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}
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void ViewHexEditor::copyLanguageArray(Language language) {
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size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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size_t copySize = (end - start) + 1;
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std::vector<u8> buffer(copySize, 0x00);
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this->m_dataProvider->read(start, buffer.data(), buffer.size());
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std::string str;
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switch (language) {
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case Language::C:
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str += "const unsigned char data[" + std::to_string(buffer.size()) + "] = { ";
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for (const auto &byte : buffer)
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str += hex::format("0x%02X, ", byte);
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// Remove trailing comma
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str.pop_back();
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str.pop_back();
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str += " };";
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break;
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case Language::Cpp:
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str += "constexpr std::array<unsigned char, " + std::to_string(buffer.size()) + "> data = { ";
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for (const auto &byte : buffer)
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str += hex::format("0x%02X, ", byte);
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// Remove trailing comma
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str.pop_back();
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str.pop_back();
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str += " };";
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break;
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case Language::Java:
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str += "final byte[] data = { ";
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for (const auto &byte : buffer)
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str += hex::format("0x%02X, ", byte);
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// Remove trailing comma
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str.pop_back();
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str.pop_back();
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str += " };";
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break;
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case Language::CSharp:
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str += "const byte[] data = { ";
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for (const auto &byte : buffer)
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str += hex::format("0x%02X, ", byte);
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// Remove trailing comma
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str.pop_back();
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str.pop_back();
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str += " };";
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break;
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case Language::Rust:
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str += "let data: [u8, " + std::to_string(buffer.size()) + "] = [ ";
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for (const auto &byte : buffer)
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str += hex::format("0x%02X, ", byte);
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// Remove trailing comma
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str.pop_back();
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str.pop_back();
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str += " ];";
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break;
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case Language::Python:
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str += "data = bytes([ ";
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for (const auto &byte : buffer)
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str += hex::format("0x%02X, ", byte);
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// Remove trailing comma
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str.pop_back();
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str.pop_back();
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str += " ]);";
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break;
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case Language::JavaScript:
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str += "const data = new Uint8Array([ ";
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for (const auto &byte : buffer)
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str += hex::format("0x%02X, ", byte);
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// Remove trailing comma
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str.pop_back();
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str.pop_back();
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str += " ]);";
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break;
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}
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ImGui::SetClipboardText(str.c_str());
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}
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void ViewHexEditor::copyHexView() {
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size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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size_t copySize = (end - start) + 1;
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std::vector<u8> buffer(copySize, 0x00);
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this->m_dataProvider->read(start, buffer.data(), buffer.size());
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std::string str = "Hex View 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F\n\n";
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for (u32 col = start >> 4; col <= (end >> 4); col++) {
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str += hex::format("%08lX ", col << 4);
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for (u64 i = 0 ; i < 16; i++) {
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if (col == (start >> 4) && i < (start & 0xF) || col == (end >> 4) && i > (end & 0xF))
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str += " ";
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else
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str += hex::format("%02lX ", buffer[((col << 4) - start) + i]);
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if ((i & 0xF) == 0x7)
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str += " ";
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}
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str += " ";
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for (u64 i = 0 ; i < 16; i++) {
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if (col == (start >> 4) && i < (start & 0xF) || col == (end >> 4) && i > (end & 0xF))
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str += " ";
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else {
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u8 c = buffer[((col << 4) - start) + i];
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char displayChar = (c < 32 || c >= 128) ? '.' : c;
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str += hex::format("%c", displayChar);
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}
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}
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str += "\n";
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}
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ImGui::SetClipboardText(str.c_str());
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}
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void ViewHexEditor::copyHexViewHTML() {
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size_t start = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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size_t end = std::max(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
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size_t copySize = (end - start) + 1;
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std::vector<u8> buffer(copySize, 0x00);
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this->m_dataProvider->read(start, buffer.data(), buffer.size());
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std::string str =
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R"(
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<div>
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<style type="text/css">
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.offsetheader { color:#0000A0; line-height:200% }
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.offsetcolumn { color:#0000A0 }
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.hexcolumn { color:#000000 }
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.textcolumn { color:#000000 }
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</style>
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<code>
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<span class="offsetheader">Hex View  00 01 02 03 04 05 06 07  08 09 0A 0B 0C 0D 0E 0F</span><br/>
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)";
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for (u32 col = start >> 4; col <= (end >> 4); col++) {
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str += hex::format(" <span class=\"offsetcolumn\">%08lX</span>  <span class=\"hexcolumn\">", col << 4);
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for (u64 i = 0 ; i < 16; i++) {
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if (col == (start >> 4) && i < (start & 0xF) || col == (end >> 4) && i > (end & 0xF))
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str += "   ";
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else
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str += hex::format("%02lX ", buffer[((col << 4) - start) + i]);
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if ((i & 0xF) == 0x7)
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str += " ";
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}
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str += "</span>  <span class=\"textcolumn\">";
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for (u64 i = 0 ; i < 16; i++) {
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if (col == (start >> 4) && i < (start & 0xF) || col == (end >> 4) && i > (end & 0xF))
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str += " ";
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else {
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u8 c = buffer[((col << 4) - start) + i];
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char displayChar = (c < 32 || c >= 128) ? '.' : c;
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str += hex::format("%c", displayChar);
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}
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}
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str += "</span><br/>\n";
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}
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str +=
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R"(
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</code>
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</div>
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)";
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ImGui::SetClipboardText(str.c_str());
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}
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void ViewHexEditor::createMenu() {
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if (ImGui::BeginMenu("File")) {
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if (ImGui::MenuItem("Open File...", "CTRL + O")) {
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View::doLater([]{ ImGui::OpenPopup("Open File"); });
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}
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ImGui::Separator();
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if (ImGui::MenuItem("Search", "CTRL + F")) {
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View::doLater([]{ ImGui::OpenPopup("Search"); });
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}
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if (ImGui::MenuItem("Goto", "CTRL + G")) {
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View::doLater([]{ ImGui::OpenPopup("Goto"); });
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}
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ImGui::EndMenu();
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}
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if (ImGui::BeginMenu("Edit")) {
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if (ImGui::BeginMenu("Copy as...", this->m_memoryEditor.DataPreviewAddr != -1 && this->m_memoryEditor.DataPreviewAddrEnd != -1)) {
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if (ImGui::MenuItem("Bytes", "CTRL + ALT + C"))
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this->copyBytes();
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if (ImGui::MenuItem("Hex String", "CTRL + SHIFT + C"))
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this->copyString();
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ImGui::Separator();
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if (ImGui::MenuItem("C Array"))
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this->copyLanguageArray(Language::C);
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if (ImGui::MenuItem("C++ Array"))
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this->copyLanguageArray(Language::Cpp);
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if (ImGui::MenuItem("C# Array"))
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this->copyLanguageArray(Language::CSharp);
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if (ImGui::MenuItem("Rust Array"))
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this->copyLanguageArray(Language::Rust);
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if (ImGui::MenuItem("Python Array"))
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this->copyLanguageArray(Language::Python);
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if (ImGui::MenuItem("Java Array"))
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this->copyLanguageArray(Language::Java);
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if (ImGui::MenuItem("JavaScript Array"))
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this->copyLanguageArray(Language::JavaScript);
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ImGui::Separator();
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if (ImGui::MenuItem("Editor View"))
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this->copyHexView();
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if (ImGui::MenuItem("HTML"))
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this->copyHexViewHTML();
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ImGui::EndMenu();
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}
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ImGui::EndMenu();
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}
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if (ImGui::BeginMenu("View")) {
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ImGui::MenuItem("Hex View", "", &this->m_memoryEditor.Open);
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ImGui::EndMenu();
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}
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}
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bool ViewHexEditor::handleShortcut(int key, int mods) {
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if (mods == GLFW_MOD_CONTROL && key == GLFW_KEY_F) {
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ImGui::OpenPopup("Search");
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return true;
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} else if (mods == GLFW_MOD_CONTROL && key == GLFW_KEY_G) {
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ImGui::OpenPopup("Goto");
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return true;
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} else if (mods == GLFW_MOD_CONTROL && key == GLFW_KEY_O) {
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ImGui::OpenPopup("Open File");
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return true;
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} else if (mods == (GLFW_MOD_CONTROL | GLFW_MOD_ALT) && key == GLFW_KEY_C) {
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this->copyBytes();
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return true;
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} else if (mods == (GLFW_MOD_CONTROL | GLFW_MOD_SHIFT) && key == GLFW_KEY_C) {
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this->copyString();
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return true;
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}
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return false;
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}
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static std::vector<std::pair<u64, u64>> findString(prv::Provider* &provider, std::string string) {
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std::vector<std::pair<u64, u64>> results;
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u32 foundCharacters = 0;
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std::vector<u8> buffer(1024, 0x00);
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size_t dataSize = provider->getSize();
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for (u64 offset = 0; offset < dataSize; offset += 1024) {
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size_t usedBufferSize = std::min(buffer.size(), dataSize - offset);
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provider->read(offset, buffer.data(), usedBufferSize);
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for (u64 i = 0; i < usedBufferSize; i++) {
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if (buffer[i] == string[foundCharacters])
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foundCharacters++;
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else
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foundCharacters = 0;
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if (foundCharacters == string.size()) {
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results.emplace_back(offset + i - foundCharacters + 1, offset + i + 1);
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foundCharacters = 0;
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}
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}
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}
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return results;
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}
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static std::vector<std::pair<u64, u64>> findHex(prv::Provider* &provider, std::string string) {
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std::vector<std::pair<u64, u64>> results;
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if ((string.size() % 2) == 1)
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string = "0" + string;
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std::vector<u8> hex;
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hex.reserve(string.size() / 2);
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for (u32 i = 0; i < string.size(); i += 2) {
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char byte[3] = { string[i], string[i + 1], 0 };
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hex.push_back(strtoul(byte, nullptr, 16));
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}
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u32 foundCharacters = 0;
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std::vector<u8> buffer(1024, 0x00);
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size_t dataSize = provider->getSize();
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for (u64 offset = 0; offset < dataSize; offset += 1024) {
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size_t usedBufferSize = std::min(buffer.size(), dataSize - offset);
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provider->read(offset, buffer.data(), usedBufferSize);
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for (u64 i = 0; i < usedBufferSize; i++) {
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if (buffer[i] == hex[foundCharacters])
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foundCharacters++;
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else
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foundCharacters = 0;
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if (foundCharacters == hex.size()) {
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results.emplace_back(offset + i - foundCharacters + 1, offset + i + 1);
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foundCharacters = 0;
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}
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}
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}
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return results;
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}
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void ViewHexEditor::drawSearchPopup() {
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static auto InputCallback = [](ImGuiInputTextCallbackData* data) -> int {
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auto _this = static_cast<ViewHexEditor*>(data->UserData);
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*_this->m_lastSearchBuffer = _this->m_searchFunction(_this->m_dataProvider, data->Buf);
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_this->m_lastSearchIndex = 0;
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if (_this->m_lastSearchBuffer->size() > 0)
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_this->m_memoryEditor.GotoAddrAndHighlight((*_this->m_lastSearchBuffer)[0].first, (*_this->m_lastSearchBuffer)[0].second);
|
|
|
|
return 0;
|
|
};
|
|
|
|
static auto Find = [this](char *buffer) {
|
|
*this->m_lastSearchBuffer = this->m_searchFunction(this->m_dataProvider, buffer);
|
|
this->m_lastSearchIndex = 0;
|
|
|
|
if (this->m_lastSearchBuffer->size() > 0)
|
|
this->m_memoryEditor.GotoAddrAndHighlight((*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.GotoAddrAndHighlight((*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.GotoAddrAndHighlight((*this->m_lastSearchBuffer)[this->m_lastSearchIndex].first,
|
|
(*this->m_lastSearchBuffer)[this->m_lastSearchIndex].second);
|
|
}
|
|
};
|
|
|
|
if (ImGui::BeginPopup("Search")) {
|
|
ImGui::TextUnformatted("Search");
|
|
if (ImGui::BeginTabBar("searchTabs")) {
|
|
char *currBuffer;
|
|
if (ImGui::BeginTabItem("String")) {
|
|
this->m_searchFunction = findString;
|
|
this->m_lastSearchBuffer = &this->m_lastStringSearch;
|
|
currBuffer = this->m_searchStringBuffer;
|
|
|
|
ImGui::InputText("##nolabel", currBuffer, 0xFFFF, ImGuiInputTextFlags_CallbackCompletion,
|
|
InputCallback, this);
|
|
ImGui::EndTabItem();
|
|
}
|
|
|
|
if (ImGui::BeginTabItem("Hex")) {
|
|
this->m_searchFunction = findHex;
|
|
this->m_lastSearchBuffer = &this->m_lastHexSearch;
|
|
currBuffer = this->m_searchHexBuffer;
|
|
|
|
ImGui::InputText("##nolabel", currBuffer, 0xFFFF,
|
|
ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CallbackCompletion,
|
|
InputCallback, this);
|
|
ImGui::EndTabItem();
|
|
}
|
|
|
|
if (ImGui::Button("Find"))
|
|
Find(currBuffer);
|
|
|
|
if (this->m_lastSearchBuffer->size() > 0) {
|
|
if ((ImGui::Button("Find Next")))
|
|
FindNext();
|
|
|
|
ImGui::SameLine();
|
|
|
|
if ((ImGui::Button("Find Prev")))
|
|
FindPrevious();
|
|
}
|
|
|
|
ImGui::EndTabBar();
|
|
}
|
|
|
|
|
|
ImGui::EndPopup();
|
|
}
|
|
}
|
|
|
|
void ViewHexEditor::drawGotoPopup() {
|
|
if (ImGui::BeginPopup("Goto")) {
|
|
ImGui::TextUnformatted("Goto");
|
|
if (ImGui::BeginTabBar("gotoTabs")) {
|
|
s64 newOffset = 0;
|
|
if (ImGui::BeginTabItem("Begin")) {
|
|
ImGui::InputScalar("##nolabel", ImGuiDataType_U64, &this->m_gotoAddress, nullptr, nullptr, "%llx", ImGuiInputTextFlags_CharsHexadecimal);
|
|
|
|
if (this->m_gotoAddress >= this->m_dataProvider->getActualSize())
|
|
this->m_gotoAddress = this->m_dataProvider->getActualSize() - 1;
|
|
|
|
newOffset = this->m_gotoAddress;
|
|
|
|
ImGui::EndTabItem();
|
|
}
|
|
if (ImGui::BeginTabItem("Current")) {
|
|
ImGui::InputScalar("##nolabel", ImGuiDataType_S64, &this->m_gotoAddress, nullptr, nullptr, "%llx", ImGuiInputTextFlags_CharsHexadecimal);
|
|
|
|
if (this->m_memoryEditor.DataPreviewAddr == -1 || this->m_memoryEditor.DataPreviewAddrEnd == -1) {
|
|
this->m_memoryEditor.DataPreviewAddr = 0;
|
|
this->m_memoryEditor.DataPreviewAddrEnd = 0;
|
|
}
|
|
|
|
s64 currHighlightStart = std::min(this->m_memoryEditor.DataPreviewAddr, this->m_memoryEditor.DataPreviewAddrEnd);
|
|
|
|
newOffset = this->m_gotoAddress + currHighlightStart;
|
|
if (newOffset >= this->m_dataProvider->getActualSize()) {
|
|
newOffset = this->m_dataProvider->getActualSize() - 1;
|
|
this->m_gotoAddress = (this->m_dataProvider->getActualSize() - 1) - currHighlightStart;
|
|
} else if (newOffset < 0) {
|
|
newOffset = 0;
|
|
this->m_gotoAddress = -currHighlightStart;
|
|
}
|
|
|
|
ImGui::EndTabItem();
|
|
}
|
|
if (ImGui::BeginTabItem("End")) {
|
|
ImGui::InputScalar("##nolabel", ImGuiDataType_U64, &this->m_gotoAddress, nullptr, nullptr, "%llx", ImGuiInputTextFlags_CharsHexadecimal);
|
|
|
|
if (this->m_gotoAddress >= this->m_dataProvider->getActualSize())
|
|
this->m_gotoAddress = this->m_dataProvider->getActualSize() - 1;
|
|
|
|
newOffset = (this->m_dataProvider->getActualSize() - 1) - this->m_gotoAddress;
|
|
|
|
ImGui::EndTabItem();
|
|
}
|
|
|
|
if (ImGui::Button("Goto")) {
|
|
this->m_dataProvider->setCurrentPage(std::floor(newOffset / double(prv::Provider::PageSize)));
|
|
this->m_memoryEditor.GotoAddr = newOffset;
|
|
this->m_memoryEditor.DataPreviewAddr = newOffset;
|
|
this->m_memoryEditor.DataPreviewAddrEnd = newOffset;
|
|
}
|
|
|
|
ImGui::EndTabBar();
|
|
}
|
|
|
|
ImGui::EndPopup();
|
|
}
|
|
}
|
|
|
|
} |