File: miscopcodes.hpp

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#ifndef INTERPRETER_MISCOPCODES_H_INCLUDED
#define INTERPRETER_MISCOPCODES_H_INCLUDED

#include <algorithm>
#include <sstream>
#include <stdexcept>
#include <string>
#include <vector>

#include "defines.hpp"
#include "opcodes.hpp"
#include "runtime.hpp"

#include <components/misc/messageformatparser.hpp>

namespace Interpreter
{
    class RuntimeMessageFormatter : public Misc::MessageFormatParser
    {
    private:
        std::string mFormattedMessage;
        Runtime& mRuntime;

    protected:
        void visitedPlaceholder(
            Placeholder placeholder, char padding, int width, int precision, Notation notation) override
        {
            std::ostringstream out;
            out.fill(padding);
            if (width != -1)
                out.width(width);
            if (precision != -1)
                out.precision(precision);

            switch (placeholder)
            {
                case StringPlaceholder:
                {
                    int index = mRuntime[0].mInteger;
                    mRuntime.pop();

                    out << mRuntime.getStringLiteral(index);
                    mFormattedMessage += out.str();
                }
                break;
                case IntegerPlaceholder:
                {
                    Type_Integer value = mRuntime[0].mInteger;
                    mRuntime.pop();

                    out << value;
                    mFormattedMessage += out.str();
                }
                break;
                case FloatPlaceholder:
                {
                    float value = mRuntime[0].mFloat;
                    mRuntime.pop();

                    if (notation == FixedNotation)
                    {
                        out << std::fixed << value;
                        mFormattedMessage += out.str();
                    }
                    else if (notation == ShortestNotation)
                    {
                        out << value;
                        std::string standard = out.str();

                        out.str(std::string());
                        out.clear();

                        out << std::scientific << value;
                        std::string scientific = out.str();

                        mFormattedMessage += standard.length() < scientific.length() ? standard : scientific;
                    }
                    else
                    {
                        out << std::scientific << value;
                        mFormattedMessage += out.str();
                    }
                }
                break;
                default:
                    break;
            }
        }

        void visitedCharacter(char c) override { mFormattedMessage += c; }

    public:
        RuntimeMessageFormatter(Runtime& runtime)
            : mRuntime(runtime)
        {
        }

        void process(std::string_view message) override
        {
            mFormattedMessage.clear();
            MessageFormatParser::process(message);
        }

        std::string getFormattedMessage() const { return mFormattedMessage; }
    };

    inline std::string formatMessage(std::string_view message, Runtime& runtime)
    {
        RuntimeMessageFormatter formatter(runtime);
        formatter.process(message);

        std::string formattedMessage = formatter.getFormattedMessage();
        formattedMessage = fixDefinesMsgBox(formattedMessage, runtime.getContext());
        return formattedMessage;
    }

    class OpMessageBox : public Opcode1
    {
    public:
        void execute(Runtime& runtime, unsigned int arg0) override
        {
            // message
            int index = runtime[0].mInteger;
            runtime.pop();
            std::string_view message = runtime.getStringLiteral(index);

            // buttons
            std::vector<std::string> buttons;

            for (std::size_t i = 0; i < arg0; ++i)
            {
                index = runtime[0].mInteger;
                runtime.pop();
                buttons.emplace_back(runtime.getStringLiteral(index));
            }

            std::reverse(buttons.begin(), buttons.end());

            // handle additional parameters
            std::string formattedMessage = formatMessage(message, runtime);

            runtime.getContext().messageBox(formattedMessage, buttons);
        }
    };

    class OpReport : public Opcode0
    {
    public:
        void execute(Runtime& runtime) override
        {
            // message
            int index = runtime[0].mInteger;
            runtime.pop();
            std::string_view message = runtime.getStringLiteral(index);

            // handle additional parameters
            std::string formattedMessage = formatMessage(message, runtime);

            runtime.getContext().report(formattedMessage);
        }
    };

}

#endif