/*
 * Copyright 2015, Rene Gollent, rene@gollent.com.
 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */
#include "StringValueFormatter.h"

#include <stdio.h>

#include <String.h>

#include "Value.h"


StringValueFormatter::StringValueFormatter()
        :
        ValueFormatter()
{
}


StringValueFormatter::~StringValueFormatter()
{
}


status_t
StringValueFormatter::FormatValue(Value* value, BString& _output)
{
        _output = "\"";
        BString tempString;
        if (!value->ToString(tempString))
                return B_BAD_VALUE;

        for (int32 i = 0; i < tempString.Length(); i++) {
                if (tempString[i] < 31) {
                        switch (tempString[i]) {
                                case '\0':
                                        _output << "\\0";
                                        break;
                                case '\a':
                                        _output << "\\a";
                                        break;
                                case '\b':
                                        _output << "\\b";
                                        break;
                                case '\t':
                                        _output << "\\t";
                                        break;
                                case '\r':
                                        _output << "\\r";
                                        break;
                                case '\n':
                                        _output << "\\n";
                                        break;
                                case '\f':
                                        _output << "\\f";
                                        break;
                                default:
                                {
                                        char buffer[5];
                                        snprintf(buffer, sizeof(buffer), "\\x%x",
                                                tempString.String()[i]);
                                        _output << buffer;
                                        break;
                                }
                        }
                } else if (tempString[i] == '\"')
                        _output << "\\\"";
                else
                        _output << tempString[i];
        }

        _output += "\"";

        return B_OK;
}