imhex/plugins/builtin/source/content/tools/ascii_table.cpp

#include <hex/helpers/utils.hpp>
#include <hex/api/localization_manager.hpp>

#include <imgui.h>

#include <hex/ui/imgui_imhex_extensions.h>

namespace hex::plugin::builtin {

    void drawASCIITable() {
        static bool asciiTableShowOctal = false;

        if (ImGui::BeginTable("##asciitable", 4, ImGuiTableFlags_SizingStretchSame)) {
            ImGui::TableSetupColumn("##1");
            ImGui::TableSetupColumn("##2");
            ImGui::TableSetupColumn("##3");
            ImGui::TableSetupColumn("##4");

            ImGui::TableNextRow();

            for (u8 tablePart = 0; tablePart < 4; tablePart++) {
                ImGui::TableNextColumn();
                if (ImGui::BeginTable("##asciitablepart", asciiTableShowOctal ? 4 : 3, ImGuiTableFlags_BordersInnerV | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_SizingStretchSame | ImGuiTableFlags_RowBg)) {
                    ImGui::TableSetupColumn("dec");
                    if (asciiTableShowOctal)
                        ImGui::TableSetupColumn("oct");
                    ImGui::TableSetupColumn("hex");
                    ImGui::TableSetupColumn("char");

                    ImGui::TableHeadersRow();

                    for (u8 i = 0; i < 0x80 / 4; i++) {
                        ImGui::TableNextRow();

                        ImGui::TableNextColumn();
                        ImGuiExt::TextFormatted("{0:03d}", i + 32 * tablePart);

                        if (asciiTableShowOctal) {
                            ImGui::TableNextColumn();
                            ImGuiExt::TextFormatted("0o{0:03o}", i + 32 * tablePart);
                        }

                        ImGui::TableNextColumn();
                        ImGuiExt::TextFormatted("0x{0:02X}", i + 32 * tablePart);

                        ImGui::TableNextColumn();
                        ImGuiExt::TextFormatted("{0}", hex::makePrintable(i + 32 * tablePart));
                    }

                    ImGui::EndTable();
                }
            }
            ImGui::EndTable();
        }

        ImGui::Checkbox("hex.builtin.tools.ascii_table.octal"_lang, &asciiTableShowOctal);
    }

}