1
0
mirror of synced 2024-11-26 00:20:50 +01:00
ImHex/plugins/builtin/source/content/tools/math_eval.cpp
2023-12-11 23:05:35 +01:00

335 lines
14 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#include <hex/api/localization_manager.hpp>
#include <hex/api/imhex_api.hpp>
#include <hex/providers/provider.hpp>
#include <hex/helpers/utils.hpp>
#include <wolv/math_eval/math_evaluator.hpp>
#include <imgui.h>
#include <hex/ui/imgui_imhex_extensions.h>
#include <fonts/codicons_font.h>
#include <vector>
#include <string>
namespace hex::plugin::builtin {
void drawMathEvaluator() {
static std::vector<long double> mathHistory;
static std::string lastMathError;
static std::string mathInput;
bool evaluate = false;
static wolv::math_eval::MathEvaluator<long double> mathEvaluator = [&] {
wolv::math_eval::MathEvaluator<long double> evaluator;
evaluator.registerStandardVariables();
evaluator.registerStandardFunctions();
evaluator.setFunction(
"clear", [&](auto args) -> std::optional<long double> {
hex::unused(args);
mathHistory.clear();
lastMathError.clear();
mathEvaluator.getVariables().clear();
mathEvaluator.registerStandardVariables();
mathInput.clear();
return std::nullopt;
},
0,
0);
evaluator.setFunction(
"read", [](auto args) -> std::optional<long double> {
u8 value = 0;
auto provider = ImHexApi::Provider::get();
if (!ImHexApi::Provider::isValid() || !provider->isReadable() || args[0] >= provider->getActualSize())
return std::nullopt;
provider->read(args[0], &value, sizeof(u8));
return value;
},
1,
1);
evaluator.setFunction(
"write", [](auto args) -> std::optional<long double> {
auto provider = ImHexApi::Provider::get();
if (!ImHexApi::Provider::isValid() || !provider->isWritable() || args[0] >= provider->getActualSize())
return std::nullopt;
if (args[1] > 0xFF)
return std::nullopt;
u8 value = args[1];
provider->write(args[0], &value, sizeof(u8));
return std::nullopt;
},
2,
2);
return evaluator;
}();
enum class MathDisplayType : u8 {
Standard,
Scientific,
Engineering,
Programmer
} mathDisplayType = MathDisplayType::Standard;
if (ImGui::BeginTabBar("##mathFormatTabBar")) {
if (ImGui::BeginTabItem("hex.builtin.tools.format.standard"_lang)) {
mathDisplayType = MathDisplayType::Standard;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("hex.builtin.tools.format.scientific"_lang)) {
mathDisplayType = MathDisplayType::Scientific;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("hex.builtin.tools.format.engineering"_lang)) {
mathDisplayType = MathDisplayType::Engineering;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("hex.builtin.tools.format.programmer"_lang)) {
mathDisplayType = MathDisplayType::Programmer;
ImGui::EndTabItem();
}
ImGui::EndTabBar();
}
if (ImGui::BeginTable("##mathWrapper", 3)) {
ImGui::TableSetupColumn("##keypad", ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_NoResize);
ImGui::TableSetupColumn("##results", ImGuiTableColumnFlags_WidthStretch, 0.666);
ImGui::TableSetupColumn("##variables", ImGuiTableColumnFlags_WidthStretch, 0.666);
ImGui::TableNextRow();
ImGui::TableNextColumn();
auto buttonSize = ImVec2(3, 2) * ImGui::GetTextLineHeightWithSpacing();
if (ImGui::Button("Ans", buttonSize)) mathInput += "ans";
ImGui::SameLine();
if (ImGui::Button("Pi", buttonSize)) mathInput += "pi";
ImGui::SameLine();
if (ImGui::Button("e", buttonSize)) mathInput += "e";
ImGui::SameLine();
if (ImGui::Button("CE", buttonSize)) mathInput.clear();
ImGui::SameLine();
if (ImGui::Button(ICON_VS_DISCARD, buttonSize)) mathInput.clear();
ImGui::SameLine();
ImGui::NewLine();
switch (mathDisplayType) {
case MathDisplayType::Standard:
case MathDisplayType::Scientific:
case MathDisplayType::Engineering:
if (ImGui::Button("", buttonSize)) mathInput += "** 2";
ImGui::SameLine();
if (ImGui::Button("1/x", buttonSize)) mathInput += "1/";
ImGui::SameLine();
if (ImGui::Button("|x|", buttonSize)) mathInput += "abs";
ImGui::SameLine();
if (ImGui::Button("exp", buttonSize)) mathInput += "e ** ";
ImGui::SameLine();
if (ImGui::Button("%", buttonSize)) mathInput += "%";
ImGui::SameLine();
break;
case MathDisplayType::Programmer:
if (ImGui::Button("<<", buttonSize)) mathInput += "<<";
ImGui::SameLine();
if (ImGui::Button(">>", buttonSize)) mathInput += ">>";
ImGui::SameLine();
if (ImGui::Button("&", buttonSize)) mathInput += "&";
ImGui::SameLine();
if (ImGui::Button("|", buttonSize)) mathInput += "|";
ImGui::SameLine();
if (ImGui::Button("^", buttonSize)) mathInput += "^";
ImGui::SameLine();
break;
}
ImGui::NewLine();
if (ImGui::Button("sqrt", buttonSize)) mathInput += "sqrt";
ImGui::SameLine();
if (ImGui::Button("(", buttonSize)) mathInput += "(";
ImGui::SameLine();
if (ImGui::Button(")", buttonSize)) mathInput += ")";
ImGui::SameLine();
if (ImGui::Button("sign", buttonSize)) mathInput += "sign";
ImGui::SameLine();
if (ImGui::Button("÷", buttonSize)) mathInput += "/";
ImGui::SameLine();
ImGui::NewLine();
if (ImGui::Button("", buttonSize)) mathInput += "**";
ImGui::SameLine();
if (ImGui::Button("7", buttonSize)) mathInput += "7";
ImGui::SameLine();
if (ImGui::Button("8", buttonSize)) mathInput += "8";
ImGui::SameLine();
if (ImGui::Button("9", buttonSize)) mathInput += "9";
ImGui::SameLine();
if (ImGui::Button("×", buttonSize)) mathInput += "*";
ImGui::SameLine();
ImGui::NewLine();
if (ImGui::Button("log", buttonSize)) mathInput += "log";
ImGui::SameLine();
if (ImGui::Button("4", buttonSize)) mathInput += "4";
ImGui::SameLine();
if (ImGui::Button("5", buttonSize)) mathInput += "5";
ImGui::SameLine();
if (ImGui::Button("6", buttonSize)) mathInput += "6";
ImGui::SameLine();
if (ImGui::Button("-", buttonSize)) mathInput += "-";
ImGui::SameLine();
ImGui::NewLine();
if (ImGui::Button("ln", buttonSize)) mathInput += "ln";
ImGui::SameLine();
if (ImGui::Button("1", buttonSize)) mathInput += "1";
ImGui::SameLine();
if (ImGui::Button("2", buttonSize)) mathInput += "2";
ImGui::SameLine();
if (ImGui::Button("3", buttonSize)) mathInput += "3";
ImGui::SameLine();
if (ImGui::Button("+", buttonSize)) mathInput += "+";
ImGui::SameLine();
ImGui::NewLine();
if (ImGui::Button("lb", buttonSize)) mathInput += "lb";
ImGui::SameLine();
if (ImGui::Button("x=", buttonSize)) mathInput += "=";
ImGui::SameLine();
if (ImGui::Button("0", buttonSize)) mathInput += "0";
ImGui::SameLine();
if (ImGui::Button(".", buttonSize)) mathInput += ".";
ImGui::SameLine();
ImGui::PushStyleColor(ImGuiCol_Button, ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_DescButtonHovered));
ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_DescButton));
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_DescButtonActive));
if (ImGui::Button("=", buttonSize)) evaluate = true;
ImGui::SameLine();
ImGui::PopStyleColor(3);
ImGui::NewLine();
ImGui::TableNextColumn();
if (ImGui::BeginTable("##mathHistory", 1, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg, ImVec2(0, 300))) {
ImGui::TableSetupColumn("hex.builtin.tools.history"_lang);
ImGui::TableSetupScrollFreeze(0, 1);
ImGuiListClipper clipper;
clipper.Begin(mathHistory.size());
ImGui::TableHeadersRow();
while (clipper.Step()) {
for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) {
if (i == 0)
ImGui::PushStyleColor(ImGuiCol_Text, ImU32(ImColor(0xA5, 0x45, 0x45)));
ImGui::TableNextRow();
ImGui::TableNextColumn();
switch (mathDisplayType) {
case MathDisplayType::Standard:
ImGuiExt::TextFormatted("{0:.3Lf}", mathHistory[(mathHistory.size() - 1) - i]);
break;
case MathDisplayType::Scientific:
ImGuiExt::TextFormatted("{0:.6Lg}", mathHistory[(mathHistory.size() - 1) - i]);
break;
case MathDisplayType::Engineering:
ImGuiExt::TextFormatted("{0}", hex::toEngineeringString(mathHistory[(mathHistory.size() - 1) - i]).c_str());
break;
case MathDisplayType::Programmer:
ImGuiExt::TextFormatted("0x{0:X} ({1})",
u64(mathHistory[(mathHistory.size() - 1) - i]),
u64(mathHistory[(mathHistory.size() - 1) - i]));
break;
}
if (i == 0)
ImGui::PopStyleColor();
}
}
clipper.End();
ImGui::EndTable();
}
ImGui::TableNextColumn();
if (ImGui::BeginTable("##mathVariables", 2, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg, ImVec2(0, 300))) {
ImGui::TableSetupColumn("hex.builtin.tools.name"_lang);
ImGui::TableSetupColumn("hex.builtin.tools.value"_lang);
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableHeadersRow();
for (const auto &[name, variable] : mathEvaluator.getVariables()) {
const auto &[value, constant] = variable;
if (constant)
continue;
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::TextUnformatted(name.c_str());
ImGui::TableNextColumn();
switch (mathDisplayType) {
case MathDisplayType::Standard:
ImGuiExt::TextFormatted("{0:.3Lf}", value);
break;
case MathDisplayType::Scientific:
ImGuiExt::TextFormatted("{0:.6Lg}", value);
break;
case MathDisplayType::Engineering:
ImGuiExt::TextFormatted("{}", hex::toEngineeringString(value));
break;
case MathDisplayType::Programmer:
ImGuiExt::TextFormatted("0x{0:X} ({1})", u64(value), u64(value));
break;
}
}
ImGui::EndTable();
}
ImGui::EndTable();
}
ImGui::PushItemWidth(ImGui::GetContentRegionAvail().x);
if (ImGuiExt::InputTextIcon("##input", ICON_VS_SYMBOL_OPERATOR, mathInput, ImGuiInputTextFlags_EnterReturnsTrue | ImGuiInputTextFlags_AutoSelectAll)) {
ImGui::SetKeyboardFocusHere();
evaluate = true;
}
ImGui::PopItemWidth();
if (!lastMathError.empty())
ImGuiExt::TextFormattedColored(ImColor(0xA00040FF), "hex.builtin.tools.error"_lang, lastMathError);
else
ImGui::NewLine();
if (evaluate) {
try {
auto result = mathEvaluator.evaluate(mathInput);
mathInput.clear();
if (result.has_value()) {
mathHistory.push_back(result.value());
lastMathError.clear();
} else {
lastMathError = mathEvaluator.getLastError().value_or("");
}
} catch (std::invalid_argument &e) {
lastMathError = e.what();
}
}
}
}