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mirror of synced 2024-11-16 03:53:22 +01:00
ImHex/plugins/builtin/source/content/views/view_strings.cpp
2022-02-08 18:38:54 +01:00

241 lines
11 KiB
C++

#include "content/views/view_strings.hpp"
#include <hex/providers/provider.hpp>
#include <hex/helpers/fmt.hpp>
#include <cstring>
#include <thread>
#include <regex>
#include <llvm/Demangle/Demangle.h>
#include <hex/ui/imgui_imhex_extensions.h>
using namespace std::literals::string_literals;
namespace hex::plugin::builtin {
ViewStrings::ViewStrings() : View("hex.builtin.view.strings.name") {
EventManager::subscribe<EventDataChanged>(this, [this]() {
this->m_foundStrings.clear();
});
this->m_filter.reserve(0xFFFF);
std::memset(this->m_filter.data(), 0x00, this->m_filter.capacity());
EventManager::subscribe<EventFileUnloaded>(this, [this] {
this->m_foundStrings.clear();
});
}
ViewStrings::~ViewStrings() {
EventManager::unsubscribe<EventDataChanged>(this);
EventManager::unsubscribe<EventFileUnloaded>(this);
}
std::string readString(const FoundString &foundString) {
std::string string(foundString.size + 1, '\0');
ImHexApi::Provider::get()->read(foundString.offset, string.data(), foundString.size);
return string;
}
void ViewStrings::createStringContextMenu(const FoundString &foundString) {
if (ImGui::TableGetColumnFlags(2) == ImGuiTableColumnFlags_IsHovered && ImGui::IsMouseReleased(1) && ImGui::IsItemHovered()) {
ImGui::OpenPopup("StringContextMenu");
this->m_selectedString = readString(foundString);
}
if (ImGui::BeginPopup("StringContextMenu")) {
if (ImGui::MenuItem("hex.builtin.view.strings.copy"_lang)) {
ImGui::SetClipboardText(this->m_selectedString.c_str());
}
ImGui::Separator();
if (ImGui::MenuItem("hex.builtin.view.strings.demangle"_lang)) {
this->m_demangledName = llvm::demangle(this->m_selectedString);
if (!this->m_demangledName.empty())
ImHexApi::Tasks::doLater([] { ImGui::OpenPopup("hex.builtin.view.strings.demangle.name"_lang); });
}
ImGui::EndPopup();
}
}
void ViewStrings::searchStrings() {
this->m_foundStrings.clear();
this->m_filterIndices.clear();
this->m_searching = true;
std::thread([this] {
auto provider = ImHexApi::Provider::get();
auto task = ImHexApi::Tasks::createTask("hex.builtin.view.strings.searching", provider->getActualSize());
std::vector<u8> buffer(1024, 0x00);
u32 foundCharacters = 0;
for (u64 offset = 0; offset < provider->getActualSize(); offset += buffer.size()) {
task.update(offset);
size_t readSize = std::min(u64(buffer.size()), provider->getActualSize() - offset);
provider->read(offset + provider->getBaseAddress(), buffer.data(), readSize);
for (u32 i = 0; i < readSize; i++) {
if (buffer[i] >= ' ' && buffer[i] <= '~' && offset < provider->getActualSize() - 1)
foundCharacters++;
else {
if (foundCharacters >= this->m_minimumLength) {
FoundString foundString = {
offset + i - foundCharacters + provider->getBaseAddress(),
foundCharacters
};
this->m_foundStrings.push_back(foundString);
this->m_filterIndices.push_back(this->m_foundStrings.size() - 1);
}
foundCharacters = 0;
}
}
}
this->m_searching = false;
}).detach();
}
void ViewStrings::drawContent() {
auto provider = ImHexApi::Provider::get();
if (ImGui::Begin(View::toWindowName("hex.builtin.view.strings.name").c_str(), &this->getWindowOpenState(), ImGuiWindowFlags_NoCollapse)) {
if (ImHexApi::Provider::isValid() && provider->isReadable()) {
ImGui::Disabled([this] {
if (ImGui::InputInt("hex.builtin.view.strings.min_length"_lang, &this->m_minimumLength, 1, 0))
this->m_foundStrings.clear();
ImGui::Checkbox("Regex", &this->m_regex);
ImGui::InputText(
"hex.builtin.view.strings.filter"_lang, this->m_filter.data(), this->m_filter.capacity(), ImGuiInputTextFlags_CallbackEdit, [](ImGuiInputTextCallbackData *data) {
auto &view = *static_cast<ViewStrings *>(data->UserData);
view.m_filter.resize(data->BufTextLen);
view.m_filterIndices.clear();
std::regex pattern;
if (view.m_regex) {
try {
pattern = std::regex(data->Buf);
view.m_pattern_parsed = true;
} catch (std::regex_error &e) {
view.m_pattern_parsed = false;
}
}
for (u64 i = 0; i < view.m_foundStrings.size(); i++) {
if (view.m_regex) {
if (view.m_pattern_parsed && std::regex_search(readString(view.m_foundStrings[i]), pattern))
view.m_filterIndices.push_back(i);
} else if (readString(view.m_foundStrings[i]).find(data->Buf) != std::string::npos) {
view.m_filterIndices.push_back(i);
}
}
return 0;
},
this);
if (this->m_regex && !this->m_pattern_parsed) {
ImGui::TextFormattedColored(ImVec4(1.0f, 0.0f, 0.0f, 1.0f), "{}", "hex.builtin.view.strings.regex_error"_lang);
}
if (ImGui::Button("hex.builtin.view.strings.extract"_lang))
this->searchStrings();
},
this->m_searching);
if (this->m_searching) {
ImGui::SameLine();
ImGui::TextSpinner("hex.builtin.view.strings.searching"_lang);
} else if (this->m_foundStrings.size() > 0) {
ImGui::SameLine();
ImGui::TextFormatted("hex.builtin.view.strings.results"_lang, this->m_filterIndices.size());
}
ImGui::Separator();
ImGui::NewLine();
if (ImGui::BeginTable("##strings", 3, ImGuiTableFlags_Borders | ImGuiTableFlags_Resizable | ImGuiTableFlags_Sortable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_RowBg | ImGuiTableFlags_ScrollY)) {
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableSetupColumn("hex.builtin.view.strings.offset"_lang, 0, -1, ImGui::GetID("offset"));
ImGui::TableSetupColumn("hex.builtin.view.strings.size"_lang, 0, -1, ImGui::GetID("size"));
ImGui::TableSetupColumn("hex.builtin.view.strings.string"_lang, 0, -1, ImGui::GetID("string"));
auto sortSpecs = ImGui::TableGetSortSpecs();
if (sortSpecs->SpecsDirty) {
std::sort(this->m_foundStrings.begin(), this->m_foundStrings.end(), [&sortSpecs](FoundString &left, FoundString &right) -> bool {
if (sortSpecs->Specs->ColumnUserID == ImGui::GetID("offset")) {
if (sortSpecs->Specs->SortDirection == ImGuiSortDirection_Ascending)
return left.offset > right.offset;
else
return left.offset < right.offset;
} else if (sortSpecs->Specs->ColumnUserID == ImGui::GetID("size")) {
if (sortSpecs->Specs->SortDirection == ImGuiSortDirection_Ascending)
return left.size > right.size;
else
return left.size < right.size;
} else if (sortSpecs->Specs->ColumnUserID == ImGui::GetID("string")) {
if (sortSpecs->Specs->SortDirection == ImGuiSortDirection_Ascending)
return readString(left) > readString(right);
else
return readString(left) < readString(right);
}
return false;
});
sortSpecs->SpecsDirty = false;
}
ImGui::TableHeadersRow();
ImGuiListClipper clipper;
clipper.Begin(this->m_filterIndices.size());
while (clipper.Step()) {
for (u64 i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) {
auto &foundString = this->m_foundStrings[this->m_filterIndices[i]];
auto string = readString(foundString);
ImGui::TableNextRow();
ImGui::TableNextColumn();
if (ImGui::Selectable(("##StringLine"s + std::to_string(i)).c_str(), false, ImGuiSelectableFlags_SpanAllColumns)) {
ImHexApi::HexEditor::setSelection(foundString.offset, foundString.size);
}
ImGui::PushID(i + 1);
createStringContextMenu(foundString);
ImGui::PopID();
ImGui::SameLine();
ImGui::TextFormatted("0x{0:08X} : 0x{1:08X}", foundString.offset, foundString.offset + foundString.size);
ImGui::TableNextColumn();
ImGui::TextFormatted("0x{0:04X}", foundString.size);
ImGui::TableNextColumn();
ImGui::TextUnformatted(string.c_str());
}
}
clipper.End();
ImGui::EndTable();
}
}
}
ImGui::End();
if (ImGui::BeginPopup("hex.builtin.view.strings.demangle.title"_lang)) {
if (ImGui::BeginChild("##scrolling", ImVec2(500, 150))) {
ImGui::TextUnformatted("hex.builtin.view.strings.demangle.title"_lang);
ImGui::Separator();
ImGui::TextFormattedWrapped("{}", this->m_demangledName.c_str());
ImGui::NewLine();
if (ImGui::Button("hex.builtin.view.strings.demangle.copy"_lang))
ImGui::SetClipboardText(this->m_demangledName.c_str());
}
ImGui::EndChild();
ImGui::EndPopup();
}
}
}