mirror of https://github.com/WerWolv/ImHex.git
131 lines
4.4 KiB
C++
131 lines
4.4 KiB
C++
#include "views/view_hashes.hpp"
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#include "utils.hpp"
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#include <vector>
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namespace hex {
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ViewHashes::ViewHashes(prv::Provider* &dataProvider) : View(), m_dataProvider(dataProvider) {
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}
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ViewHashes::~ViewHashes() {
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}
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void ViewHashes::createView() {
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if (!this->m_windowOpen)
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return;
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static bool invalidate = false;
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if (ImGui::Begin("Hashing", &this->m_windowOpen)) {
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ImGui::BeginChild("##scrolling", ImVec2(0, 0), false, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoNav);
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ImGui::NewLine();
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if (this->m_dataProvider != nullptr && this->m_dataProvider->isAvailable()) {
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ImGui::Combo("Hash Function", &this->m_currHashFunction, HashFunctionNames, sizeof(HashFunctionNames) / sizeof(const char*));
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ImGui::NewLine();
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ImGui::Separator();
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ImGui::NewLine();
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ImGui::InputInt("Begin", &this->m_hashStart, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
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ImGui::InputInt("End", &this->m_hashEnd, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
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ImGui::NewLine();
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ImGui::Separator();
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ImGui::NewLine();
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if (this->m_hashEnd >= this->m_hashStart) {
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std::vector<u8> buffer;
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if (invalidate) {
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buffer = std::vector<u8>(this->m_hashEnd - this->m_hashStart + 1, 0x00);
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this->m_dataProvider->read(this->m_hashStart, buffer.data(), buffer.size());
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}
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switch (this->m_currHashFunction) {
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case 0: // CRC16
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{
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static int polynomial = 0, init = 0;
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ImGui::InputInt("Initial Value", &init, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
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ImGui::InputInt("Polynomial", &polynomial, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
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ImGui::NewLine();
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ImGui::Separator();
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ImGui::NewLine();
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static u16 result = 0;
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if (invalidate)
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result = crc16(buffer.data(), buffer.size(), polynomial, init);
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ImGui::LabelText("##nolabel", "%X", result);
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}
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break;
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case 1: // CRC32
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{
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static int polynomial = 0, init = 0;
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ImGui::InputInt("Initial Value", &init, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
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ImGui::InputInt("Polynomial", &polynomial, 0, 0, ImGuiInputTextFlags_CharsHexadecimal);
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ImGui::NewLine();
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ImGui::Separator();
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ImGui::NewLine();
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static u32 result = 0;
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if (invalidate)
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result = crc32(buffer.data(), buffer.size(), polynomial, init);
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ImGui::LabelText("##nolabel", "%X", result);
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}
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break;
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case 2: // MD5
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{
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static std::array<u32, 4> result;
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if (invalidate)
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result = md5(buffer.data(), buffer.size());
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ImGui::LabelText("##nolabel", "%08X%08X%08X%08X",
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__builtin_bswap32(result[0]),
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__builtin_bswap32(result[1]),
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__builtin_bswap32(result[2]),
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__builtin_bswap32(result[3]));
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}
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break;
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}
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}
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invalidate = false;
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ImGui::SameLine();
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if (ImGui::Button("Hash"))
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invalidate = true;
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}
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ImGui::EndChild();
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ImGui::End();
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}
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}
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void ViewHashes::createMenu() {
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if (ImGui::BeginMenu("Window")) {
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ImGui::MenuItem("Hash View", "", &this->m_windowOpen);
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ImGui::EndMenu();
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}
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}
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} |