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mirror of synced 2024-11-15 11:33:23 +01:00
ImHex/source/views/view_pattern_editor.cpp
2021-10-07 11:34:46 +02:00

433 lines
17 KiB
C++

#include "views/view_pattern_editor.hpp"
#include "helpers/project_file_handler.hpp"
#include <hex/pattern_language/preprocessor.hpp>
#include <hex/pattern_language/pattern_data.hpp>
#include <hex/helpers/paths.hpp>
#include <hex/helpers/utils.hpp>
#include <hex/helpers/file.hpp>
#include <hex/helpers/magic.hpp>
#include <hex/helpers/literals.hpp>
#include <imgui_imhex_extensions.h>
#include <nlohmann/json.hpp>
namespace hex {
using namespace hex::literals;
namespace fs = std::filesystem;
static const TextEditor::LanguageDefinition& PatternLanguage() {
static bool initialized = false;
static TextEditor::LanguageDefinition langDef;
if (!initialized) {
static const char* const keywords[] = {
"using", "struct", "union", "enum", "bitfield", "be", "le", "if", "else", "false", "true", "this", "parent", "addressof", "sizeof", "$", "while", "fn", "return", "namespace"
};
for (auto& k : keywords)
langDef.mKeywords.insert(k);
static const char* const builtInTypes[] = {
"u8", "u16", "u32", "u64", "u128",
"s8", "s16", "s32", "s64", "s128",
"float", "double", "char", "char16",
"bool", "padding", "str", "auto"
};
for (const auto name : builtInTypes) {
TextEditor::Identifier id;
id.mDeclaration = "Built-in type";
langDef.mIdentifiers.insert(std::make_pair(std::string(name), id));
}
langDef.mTokenize = [](const char * inBegin, const char * inEnd, const char *& outBegin, const char *& outEnd, TextEditor::PaletteIndex & paletteIndex) -> bool {
paletteIndex = TextEditor::PaletteIndex::Max;
while (inBegin < inEnd && isascii(*inBegin) && isblank(*inBegin))
inBegin++;
if (inBegin == inEnd) {
outBegin = inEnd;
outEnd = inEnd;
paletteIndex = TextEditor::PaletteIndex::Default;
}
else if (TokenizeCStyleIdentifier(inBegin, inEnd, outBegin, outEnd)) {
paletteIndex = TextEditor::PaletteIndex::Identifier;
}
else if (TokenizeCStyleNumber(inBegin, inEnd, outBegin, outEnd))
paletteIndex = TextEditor::PaletteIndex::Number;
else if (TokenizeCStyleCharacterLiteral(inBegin, inEnd, outBegin, outEnd))
paletteIndex = TextEditor::PaletteIndex::CharLiteral;
else if (TokenizeCStyleString(inBegin, inEnd, outBegin, outEnd))
paletteIndex = TextEditor::PaletteIndex::String;
return paletteIndex != TextEditor::PaletteIndex::Max;
};
langDef.mCommentStart = "/*";
langDef.mCommentEnd = "*/";
langDef.mSingleLineComment = "//";
langDef.mCaseSensitive = true;
langDef.mAutoIndentation = true;
langDef.mPreprocChar = '#';
langDef.mName = "Pattern Language";
initialized = true;
}
return langDef;
}
ViewPatternEditor::ViewPatternEditor() : View("hex.view.pattern.name") {
this->m_patternLanguageRuntime = new pl::PatternLanguage();
this->m_textEditor.SetLanguageDefinition(PatternLanguage());
this->m_textEditor.SetShowWhitespaces(false);
EventManager::subscribe<EventProjectFileStore>(this, [this]() {
ProjectFile::setPattern(this->m_textEditor.GetText());
});
EventManager::subscribe<EventProjectFileLoad>(this, [this]() {
this->m_textEditor.SetText(ProjectFile::getPattern());
this->parsePattern(this->m_textEditor.GetText().data());
});
EventManager::subscribe<RequestSetPatternLanguageCode>(this, [this](std::string code) {
this->m_textEditor.SelectAll();
this->m_textEditor.Delete();
this->m_textEditor.InsertText(code);
});
EventManager::subscribe<EventFileLoaded>(this, [this](const std::string &path) {
if (!ContentRegistry::Settings::read("hex.builtin.setting.general", "hex.builtin.setting.general.auto_load_patterns", 1))
return;
pl::Preprocessor preprocessor;
if (!ImHexApi::Provider::isValid())
return;
std::string mimeType = magic::getMIMEType(ImHexApi::Provider::get());
bool foundCorrectType = false;
preprocessor.addPragmaHandler("MIME", [&mimeType, &foundCorrectType](std::string value) {
if (value == mimeType) {
foundCorrectType = true;
return true;
}
return !std::all_of(value.begin(), value.end(), isspace) && !value.ends_with('\n') && !value.ends_with('\r');
});
preprocessor.addDefaultPragmaHandlers();
this->m_possiblePatternFiles.clear();
std::error_code errorCode;
for (const auto &dir : hex::getPath(ImHexPath::Patterns)) {
for (auto &entry : std::filesystem::directory_iterator(dir, errorCode)) {
foundCorrectType = false;
if (!entry.is_regular_file())
continue;
File file(entry.path().string(), File::Mode::Read);
if (!file.isValid())
continue;
preprocessor.preprocess(file.readString());
if (foundCorrectType)
this->m_possiblePatternFiles.push_back(entry.path());
}
}
if (!this->m_possiblePatternFiles.empty()) {
this->m_selectedPatternFile = 0;
EventManager::post<RequestOpenPopup>("hex.view.pattern.accept_pattern"_lang);
this->m_acceptPatternWindowOpen = true;
}
});
/* Settings */
{
EventManager::subscribe<RequestChangeTheme>(this, [this](u32 theme) {
switch (theme) {
default:
case 1: /* Dark theme */
this->m_textEditor.SetPalette(TextEditor::GetDarkPalette());
break;
case 2: /* Light theme */
this->m_textEditor.SetPalette(TextEditor::GetLightPalette());
break;
case 3: /* Classic theme */
this->m_textEditor.SetPalette(TextEditor::GetRetroBluePalette());
break;
}
});
}
}
ViewPatternEditor::~ViewPatternEditor() {
delete this->m_patternLanguageRuntime;
EventManager::unsubscribe<EventProjectFileStore>(this);
EventManager::unsubscribe<EventProjectFileLoad>(this);
EventManager::unsubscribe<RequestSetPatternLanguageCode>(this);
EventManager::unsubscribe<EventFileLoaded>(this);
EventManager::unsubscribe<RequestChangeTheme>(this);
}
void ViewPatternEditor::drawMenu() {
if (ImGui::BeginMenu("hex.menu.file"_lang)) {
if (ImGui::MenuItem("hex.view.pattern.menu.file.load_pattern"_lang)) {
this->m_selectedPatternFile = 0;
this->m_possiblePatternFiles.clear();
for (auto &imhexPath : hex::getPath(ImHexPath::Patterns)) {
for (auto &entry: fs::recursive_directory_iterator(imhexPath)) {
if (entry.is_regular_file() && entry.path().extension() == ".hexpat") {
this->m_possiblePatternFiles.push_back(entry.path());
}
}
}
View::doLater([]{ ImGui::OpenPopup("hex.view.pattern.menu.file.load_pattern"_lang); });
}
ImGui::EndMenu();
}
}
void ViewPatternEditor::drawContent() {
if (ImGui::Begin(View::toWindowName("hex.view.pattern.name").c_str(), &this->getWindowOpenState(), ImGuiWindowFlags_None | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse)) {
auto provider = ImHexApi::Provider::get();
if (ImHexApi::Provider::isValid() && provider->isAvailable()) {
auto textEditorSize = ImGui::GetContentRegionAvail();
textEditorSize.y *= 4.0/5.0;
textEditorSize.y -= ImGui::GetTextLineHeightWithSpacing();
this->m_textEditor.Render("hex.view.pattern.name"_lang, textEditorSize, true);
auto consoleSize = ImGui::GetContentRegionAvail();
consoleSize.y -= ImGui::GetTextLineHeightWithSpacing();
ImGui::PushStyleColor(ImGuiCol_ChildBg, this->m_textEditor.GetPalette()[u32(TextEditor::PaletteIndex::Background)]);
if (ImGui::BeginChild("##console", consoleSize, true, ImGuiWindowFlags_AlwaysVerticalScrollbar)) {
for (auto &[level, message] : this->m_console) {
switch (level) {
case pl::LogConsole::Level::Debug:
ImGui::PushStyleColor(ImGuiCol_Text, this->m_textEditor.GetPalette()[u32(TextEditor::PaletteIndex::Comment)]);
break;
case pl::LogConsole::Level::Info:
ImGui::PushStyleColor(ImGuiCol_Text, this->m_textEditor.GetPalette()[u32(TextEditor::PaletteIndex::Default)]);
break;
case pl::LogConsole::Level::Warning:
ImGui::PushStyleColor(ImGuiCol_Text, this->m_textEditor.GetPalette()[u32(TextEditor::PaletteIndex::Preprocessor)]);
break;
case pl::LogConsole::Level::Error:
ImGui::PushStyleColor(ImGuiCol_Text, this->m_textEditor.GetPalette()[u32(TextEditor::PaletteIndex::ErrorMarker)]);
break;
default: continue;
}
ImGui::TextUnformatted(message.c_str());
ImGui::PopStyleColor();
}
}
ImGui::EndChild();
ImGui::PopStyleColor(1);
ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1);
if (this->m_evaluatorRunning) {
if (ImGui::IconButton(ICON_VS_DEBUG_STOP, ImGui::GetCustomColorVec4(ImGuiCustomCol_ToolbarRed)))
this->m_patternLanguageRuntime->abort();
} else {
if (ImGui::IconButton(ICON_VS_DEBUG_START, ImGui::GetCustomColorVec4(ImGuiCustomCol_ToolbarGreen)))
this->parsePattern(this->m_textEditor.GetText().data());
}
ImGui::PopStyleVar();
ImGui::SameLine();
if (this->m_evaluatorRunning)
ImGui::TextSpinner("hex.view.pattern.evaluating"_lang);
else {
if (ImGui::Checkbox("hex.view.pattern.auto"_lang, &this->m_runAutomatically)) {
if (this->m_runAutomatically)
this->m_hasUnevaluatedChanges = true;
}
ImGui::SameLine();
ImGui::SeparatorEx(ImGuiSeparatorFlags_Vertical);
ImGui::SameLine();
ImGui::TextUnformatted(hex::format("{} / {}",
this->m_patternLanguageRuntime->getCreatedPatternCount(),
this->m_patternLanguageRuntime->getMaximumPatternCount()
).c_str()
);
}
if (this->m_textEditor.IsTextChanged()) {
ProjectFile::markDirty();
if (this->m_runAutomatically)
this->m_hasUnevaluatedChanges = true;
}
if (this->m_hasUnevaluatedChanges && !this->m_evaluatorRunning) {
this->m_hasUnevaluatedChanges = false;
this->parsePattern(this->m_textEditor.GetText().data());
}
}
View::discardNavigationRequests();
}
ImGui::End();
}
void ViewPatternEditor::drawAlwaysVisible() {
if (ImGui::BeginPopupModal("hex.view.pattern.accept_pattern"_lang, &this->m_acceptPatternWindowOpen, ImGuiWindowFlags_AlwaysAutoResize)) {
ImGui::TextWrapped("%s", static_cast<const char *>("hex.view.pattern.accept_pattern.desc"_lang));
std::vector<std::string> entries;
entries.resize(this->m_possiblePatternFiles.size());
for (u32 i = 0; i < entries.size(); i++) {
entries[i] = std::filesystem::path(this->m_possiblePatternFiles[i]).filename().string();
}
if (ImGui::BeginListBox("##patterns_accept", ImVec2(-FLT_MIN, 0))) {
u32 index = 0;
for (auto &path : this->m_possiblePatternFiles) {
if (ImGui::Selectable(path.filename().string().c_str(), index == this->m_selectedPatternFile))
this->m_selectedPatternFile = index;
index++;
}
ImGui::EndListBox();
}
ImGui::NewLine();
ImGui::Text("%s", static_cast<const char *>("hex.view.pattern.accept_pattern.question"_lang));
confirmButtons("hex.common.yes"_lang, "hex.common.no"_lang, [this]{
this->loadPatternFile(this->m_possiblePatternFiles[this->m_selectedPatternFile].string());
ImGui::CloseCurrentPopup();
}, []{
ImGui::CloseCurrentPopup();
});
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(ImGuiKey_Escape)))
ImGui::CloseCurrentPopup();
ImGui::EndPopup();
}
if (ImGui::BeginPopupModal("hex.view.pattern.menu.file.load_pattern"_lang, nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
if (ImGui::BeginListBox("##patterns", ImVec2(-FLT_MIN, 0))) {
u32 index = 0;
for (auto &path : this->m_possiblePatternFiles) {
if (ImGui::Selectable(path.filename().string().c_str(), index == this->m_selectedPatternFile))
this->m_selectedPatternFile = index;
index++;
}
ImGui::EndListBox();
}
if (ImGui::Button("hex.common.open"_lang)) {
this->loadPatternFile(this->m_possiblePatternFiles[this->m_selectedPatternFile].string());
ImGui::CloseCurrentPopup();
}
ImGui::SameLine();
if (ImGui::Button("hex.common.browse"_lang)) {
hex::openFileBrowser("hex.view.pattern.open_pattern"_lang, DialogMode::Open, { { "Pattern File", "hexpat" } }, [this](auto path) {
this->loadPatternFile(path);
ImGui::CloseCurrentPopup();
});
}
ImGui::EndPopup();
}
}
void ViewPatternEditor::loadPatternFile(const std::string &path) {
FILE *file = fopen(path.c_str(), "rb");
if (file != nullptr) {
char *buffer;
fseek(file, 0, SEEK_END);
size_t size = ftell(file);
rewind(file);
buffer = new char[size + 1];
fread(buffer, size, 1, file);
buffer[size] = 0x00;
fclose(file);
this->parsePattern(buffer);
this->m_textEditor.SetText(buffer);
delete[] buffer;
}
}
void ViewPatternEditor::clearPatternData() {
for (auto &data : SharedData::patternData)
delete data;
SharedData::patternData.clear();
pl::PatternData::resetPalette();
}
void ViewPatternEditor::parsePattern(char *buffer) {
this->m_evaluatorRunning = true;
this->m_textEditor.SetErrorMarkers({ });
this->m_console.clear();
this->clearPatternData();
EventManager::post<EventPatternChanged>();
std::thread([this, buffer = std::string(buffer)] {
auto result = this->m_patternLanguageRuntime->executeString(ImHexApi::Provider::get(), buffer);
auto error = this->m_patternLanguageRuntime->getError();
if (error.has_value()) {
this->m_textEditor.SetErrorMarkers({ error.value() });
}
this->m_console = this->m_patternLanguageRuntime->getConsoleLog();
if (result.has_value()) {
SharedData::patternData = std::move(result.value());
//View::doLater([]{
EventManager::post<EventPatternChanged>();
//});
}
this->m_evaluatorRunning = false;
}).detach();
}
}