basic_types.cpp

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#include "behaviortree_cpp_v3/basic_types.h"
#include <cstdlib>
#include <cstring>
#include <clocale>

namespace BT
{

template <>
std::string toStr<NodeStatus>(NodeStatus status)
{
    switch (status)
    {
        case NodeStatus::SUCCESS:
            return "SUCCESS";
        case NodeStatus::FAILURE:
            return "FAILURE";
        case NodeStatus::RUNNING:
            return "RUNNING";
        case NodeStatus::IDLE:
            return "IDLE";
    }
    return "";
}

std::string toStr(std::string value)
{
  return value;
}

std::string toStr(NodeStatus status, bool colored)
{
    if (!colored)
    {
        return toStr(status);
    }
    else
    {
        switch (status)
        {
            case NodeStatus::SUCCESS:
                return "\x1b[32m"
                        "SUCCESS"
                        "\x1b[0m";   // RED
            case NodeStatus::FAILURE:
                return "\x1b[31m"
                        "FAILURE"
                        "\x1b[0m";   // GREEN
            case NodeStatus::RUNNING:
                return "\x1b[33m"
                        "RUNNING"
                        "\x1b[0m";   // YELLOW
            case NodeStatus::IDLE:
                return "\x1b[36m"
                        "IDLE"
                        "\x1b[0m";   // CYAN
        }
    }
    return "Undefined";
}



template <>
std::string toStr<PortDirection>(PortDirection direction)
{
    switch(direction)
    {
        case PortDirection::INPUT:  return "Input";
        case PortDirection::OUTPUT: return "Output";
        case PortDirection::INOUT:  return "InOut";
    }
    return "InOut";
}


template<> std::string toStr<NodeType>(NodeType type)
{
    switch (type)
    {
        case NodeType::ACTION:
            return "Action";
        case NodeType::CONDITION:
            return "Condition";
        case NodeType::DECORATOR:
            return "Decorator";
        case NodeType::CONTROL:
            return "Control";
        case NodeType::SUBTREE:
            return "SubTree";
        default:
            return "Undefined";
    }
}


template <>
std::string convertFromString<std::string>(StringView str)
{
    return std::string( str.data(), str.size() );
}


template <>
int convertFromString<int>(StringView str)
{
    return  std::stoi(str.data());
}

template <>
long convertFromString<long>(StringView str)
{
  return  std::stol(str.data());
}

template <>
unsigned convertFromString<unsigned>(StringView str)
{
    return unsigned(std::stoul(str.data()));
}

template <>
unsigned long convertFromString<unsigned long>(StringView str)
{
    return std::stoul(str.data());
}

template <>
double convertFromString<double>(StringView str)
{
    // see issue #120
    // http://quick-bench.com/DWaXRWnxtxvwIMvZy2DxVPEKJnE

    std::string old_locale = setlocale(LC_NUMERIC,nullptr);
    setlocale(LC_NUMERIC,"C");
    double val = std::stod(str.data());
    setlocale(LC_NUMERIC, old_locale.c_str());
    return val;
}

template <>
float convertFromString<float>(StringView str)
{
    std::string old_locale = setlocale(LC_NUMERIC,nullptr);
    setlocale(LC_NUMERIC,"C");
    float val = std::stof(str.data());
    setlocale(LC_NUMERIC, old_locale.c_str());
    return val;
}

template <>
std::vector<int> convertFromString<std::vector<int>>(StringView str)
{
    auto parts = splitString(str, ';');
    std::vector<int> output;
    output.reserve( parts.size() );
    for(const StringView& part: parts)
    {
        char* end;
        output.push_back( std::strtol( part.data(), &end, 10 ) );
    }
    return output;
}

template <>
std::vector<double> convertFromString<std::vector<double>>(StringView str)
{
    auto parts = splitString(str, ';');
    std::vector<double> output;
    output.reserve( parts.size() );
    for(const StringView& part: parts)
    {
        char* end;
        output.push_back( std::strtod( part.data(), &end ) );
    }
    return output;
}

template <>
bool convertFromString<bool>(StringView str)
{
    if (str.size() == 1)
    {
        if (str[0] == '0')
        {
            return false;
        }
        if (str[0] == '1')
        {
            return true;
        }
    }
    else if (str.size() == 4)
    {
        if (str == "true" || str == "TRUE" || str == "True")
        {
            return true;
        }
    }
    else if (str.size() == 5)
    {
        if (str == "false" || str == "FALSE" || str == "False")
        {
            return false;
        }
    }
    throw RuntimeError("convertFromString(): invalid bool conversion");
}

template <>
NodeStatus convertFromString<NodeStatus>(StringView str)
{
    if( str == "IDLE" )    return NodeStatus::IDLE;
    if( str == "RUNNING" ) return NodeStatus::RUNNING;
    if( str == "SUCCESS" ) return NodeStatus::SUCCESS;
    if( str == "FAILURE" ) return NodeStatus::FAILURE;
    throw RuntimeError(std::string("Cannot convert this to NodeStatus: ") + static_cast<std::string>(str) );
}

template <>
NodeType convertFromString<NodeType>(StringView str)
{
    if( str == "Action" )    return NodeType::ACTION;
    if( str == "Condition" ) return NodeType::CONDITION;
    if( str == "Control" )   return NodeType::CONTROL;
    if( str == "Decorator" ) return NodeType::DECORATOR;
    if( str == "SubTree" || str == "SubTreePlus" ) return NodeType::SUBTREE;
    return NodeType::UNDEFINED;
}

template <>
PortDirection convertFromString<PortDirection>(StringView str)
{
    if( str == "Input"  || str == "INPUT" )    return PortDirection::INPUT;
    if( str == "Output" || str == "OUTPUT")    return PortDirection::OUTPUT;
    return PortDirection::INOUT;
}


std::ostream& operator<<(std::ostream& os, const NodeType& type)
{
    os << toStr(type);
    return os;
}

std::ostream& operator<<(std::ostream& os, const NodeStatus& status)
{
    os << toStr(status);
    return os;
}

std::ostream& operator<<(std::ostream& os, const PortDirection& type)
{
    os << toStr(type);
    return os;
}

std::vector<StringView> splitString(const StringView &strToSplit, char delimeter)
{
    std::vector<StringView> splitted_strings;
    splitted_strings.reserve(4);

    size_t pos = 0;
    while( pos < strToSplit.size())
    {
        size_t new_pos = strToSplit.find_first_of(delimeter, pos);
        if( new_pos == std::string::npos)
        {
           new_pos = strToSplit.size();
        }
        StringView sv = { &strToSplit.data()[pos], new_pos - pos };
        splitted_strings.push_back( sv );
        pos = new_pos + 1;
    }
    return splitted_strings;
}

PortDirection PortInfo::direction() const
{
    return _type;
}

const std::type_info* PortInfo::type() const
{
    return _info;
}

Any PortInfo::parseString(const char *str) const
{
    if( _converter)
    {
        return _converter(str);
    }
    return {};
}

Any PortInfo::parseString(const std::string &str) const
{
    if( _converter)
    {
        return _converter(str);
    }
    return {};
}

void PortInfo::setDescription(StringView description)
{
    description_ = static_cast<std::string>(description);
}

void PortInfo::setDefaultValue(StringView default_value_as_string)
{
    default_value_ = static_cast<std::string>(default_value_as_string);
}

const std::string &PortInfo::description() const
{
    return  description_;
}

const std::string &PortInfo::defaultValue() const
{
    return  default_value_;
}



}   // end namespace