VuoGenericType.cc

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#include "VuoGenericType.hh"
#include <sstream>
 
const string VuoGenericType::genericTypeNamePrefix = "VuoGenericType";
 
VuoGenericType::VuoGenericType(string typeName, vector<string> compatibleSpecializedTypes)
    : VuoType(typeName)
{
    this->compatibleSpecializedTypes = compatibleSpecializedTypes;
 
    string compatiblesDescription;
    Compatibility compatibility;
    vector<string> compatibles = getCompatibleSpecializedTypes(compatibility);
    if (compatibility == anyType)
        compatiblesDescription = "any type";
    else if (compatibility == anyListType)
        compatiblesDescription = "any list type";
    else
    {
        for (size_t i = 0; i < compatibles.size(); ++i)
        {
            compatiblesDescription += compatibles[i];
            if (compatibles.size() >= 3)
            {
                if (i < compatibles.size() - 2)
                    compatiblesDescription += ", ";
                else if (i == compatibles.size() - 2)
                    compatiblesDescription += ", or ";
            }
            else if (compatibles.size() == 2 && i == 0)
                compatiblesDescription += " or ";
        }
    }
    string suffix = extractSuffixStringFromGenericTypeName(typeName);
    string typeDescription = (VuoType::isListTypeName(typeName) ? "list of " : string()) + "generic #" + suffix;
    setDefaultTitle( "(" + typeDescription + " — can connect to " + compatiblesDescription + ")" );
}
 
bool VuoGenericType::isSpecializedTypeCompatible(string typeName)
{
    Compatibility compatibility;
    vector<string> compatibles = getCompatibleSpecializedTypes(compatibility);
 
    if (compatibility == anyType ||
            (compatibility == anyListType && VuoType::isListTypeName(typeName)))
        return true;
 
    return find(compatibles.begin(), compatibles.end(), typeName) != compatibles.end();
}
 
bool VuoGenericType::isGenericTypeCompatible(VuoGenericType *otherType)
{
    Compatibility thisCompatibility;
    vector<string> thisCompatibles = getCompatibleSpecializedTypes(thisCompatibility);
    Compatibility otherCompatibility;
    vector<string> otherCompatibles = otherType->getCompatibleSpecializedTypes(otherCompatibility);
 
    if (thisCompatibility == anyType || otherCompatibility == anyType ||
            (thisCompatibility == anyListType && VuoType::isListTypeName(otherType->getModuleKey())) ||
            (otherCompatibility == anyListType && VuoType::isListTypeName(getModuleKey())))
        return true;
 
    std::sort(thisCompatibles.begin(), thisCompatibles.end());
    std::sort(otherCompatibles.begin(), otherCompatibles.end());
 
    set<string> bothCompatibles;
    set_intersection(thisCompatibles.begin(), thisCompatibles.end(),
                     otherCompatibles.begin(), otherCompatibles.end(),
                     std::insert_iterator<set<string> >(bothCompatibles, bothCompatibles.begin() ));
    return (! bothCompatibles.empty());
}
 
vector<string> VuoGenericType::getCompatibleSpecializedTypes(Compatibility &compatibility)
{
    compatibility = (compatibleSpecializedTypes.empty() ?
                         (VuoType::isListTypeName(getModuleKey()) ?
                              anyListType :
                              anyType) :
                         whitelistedTypes);
 
    return compatibleSpecializedTypes;
}
 
bool VuoGenericType::isGenericTypeName(string typeName)
{
    string genericTypeName;
    findGenericTypeName(typeName, 0, genericTypeName);
    return genericTypeName == typeName;
}
 
size_t VuoGenericType::findGenericTypeName(string stringToSearch, size_t startPos, string &genericTypeName)
{
    size_t genericStartPos = startPos;
 
    while (true)
    {
        genericStartPos = stringToSearch.find(genericTypeNamePrefix, genericStartPos);
        if (genericStartPos == string::npos)
        {
            genericTypeName = "";
            break;
        }
 
        string suffix;
        for (size_t i = genericStartPos + genericTypeNamePrefix.length(); i < stringToSearch.length(); ++i)
        {
            if ('0' <= stringToSearch[i] && stringToSearch[i] <= '9')
                suffix += stringToSearch[i];
            else
                break;
        }
 
        if (! suffix.empty())
        {
            string listPrefix;
            if (genericStartPos >= VuoType::listTypeNamePrefix.length())
            {
                size_t listPrefixStartPos = genericStartPos - VuoType::listTypeNamePrefix.length();
                if (stringToSearch.substr(listPrefixStartPos, VuoType::listTypeNamePrefix.length()) == VuoType::listTypeNamePrefix)
                {
                    listPrefix = VuoType::listTypeNamePrefix;
                    genericStartPos = listPrefixStartPos;
                }
            }
 
            genericTypeName = listPrefix + genericTypeNamePrefix + suffix;
            break;
        }
 
        genericStartPos += genericTypeNamePrefix.length();
    }
 
    return genericStartPos;
}
 
string VuoGenericType::replaceInnermostGenericTypeName(string genericTypeName, string replacementTypeName)
{
    if (! isGenericTypeName(genericTypeName))
        return genericTypeName;
 
    string typeName = genericTypeName;
    string innermostTypeName = VuoType::extractInnermostTypeName(genericTypeName);
    size_t innermostTypeNamePos = typeName.find(innermostTypeName);
    typeName.replace(innermostTypeNamePos, innermostTypeName.length(), replacementTypeName);
    return typeName;
}
 
string VuoGenericType::createGenericTypeName(unsigned int suffix)
{
    ostringstream oss;
    oss << genericTypeNamePrefix << suffix;
    return oss.str();
}
 
void VuoGenericType::sortGenericTypeNames(vector<string> &genericTypeNames)
{
    sort(genericTypeNames.begin(), genericTypeNames.end(), isPairOfGenericTypesSorted);
}
 
bool VuoGenericType::isPairOfGenericTypesSorted(string type1, string type2)
{
    unsigned int suffix1 = extractSuffixFromGenericTypeName(type1);
    unsigned int suffix2 = extractSuffixFromGenericTypeName(type2);
    return (suffix1 < suffix2);
}
 
string VuoGenericType::extractSuffixStringFromGenericTypeName(string genericTypeName)
{
    if (! isGenericTypeName(genericTypeName))
        return "";
 
    size_t prefixStartPos = genericTypeName.find(genericTypeNamePrefix);
    size_t suffixStartPos = prefixStartPos + genericTypeNamePrefix.length();
    return genericTypeName.substr(suffixStartPos);
}
 
unsigned int VuoGenericType::extractSuffixFromGenericTypeName(string genericTypeName)
{
    string suffixStr = extractSuffixStringFromGenericTypeName(genericTypeName);
    unsigned int suffix = 0;
    istringstream iss(suffixStr);
    iss >> suffix;
    return suffix;
}