VuoInputEditorWithEnumMenu.cc

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#include "VuoInputEditorWithEnumMenu.hh"
 
#include <dlfcn.h>
 
VuoInputEditorWithEnumMenu::VuoInputEditorWithEnumMenu(QString type)
{
    this->type = type;
}
 
VuoInputEditorMenuItem * VuoInputEditorWithEnumMenu::setUpMenuTree(json_object *details)
{
    VuoInputEditorMenuItem *rootMenuItem = new VuoInputEditorMenuItem("root");
 
    QString allowedValuesFunctionName = this->type + "_getAllowedValues";
    typedef void *(*allowedValuesFunctionType)(void);
    allowedValuesFunctionType allowedValuesFunction = (allowedValuesFunctionType)dlsym(RTLD_DEFAULT, allowedValuesFunctionName.toUtf8().constData());
 
    QString summaryFunctionName = this->type + "_getSummary";
    typedef char *(*summaryFunctionType)(int64_t);
    summaryFunctionType summaryFunction = (summaryFunctionType)dlsym(RTLD_DEFAULT, summaryFunctionName.toUtf8().constData());
 
    QString jsonFunctionName = this->type + "_getJson";
    typedef json_object *(*jsonFunctionType)(int64_t);
    jsonFunctionType jsonFunction = (jsonFunctionType)dlsym(RTLD_DEFAULT, jsonFunctionName.toUtf8().constData());
 
    QString listCountFunctionName = "VuoListGetCount_" + this->type;
    typedef unsigned long (*listCountFunctionType)(void *);
    listCountFunctionType listCountFunction = (listCountFunctionType)dlsym(RTLD_DEFAULT, listCountFunctionName.toUtf8().constData());
 
    QString listValueFunctionName = "VuoListGetValue_" + this->type;
    typedef int64_t (*listValueFunctionType)(void *, unsigned long);
    listValueFunctionType listValueFunction = (listValueFunctionType)dlsym(RTLD_DEFAULT, listValueFunctionName.toUtf8().constData());
 
    if (allowedValuesFunction && summaryFunction && jsonFunction && listCountFunction && listValueFunction)
    {
        void *allowedValues = allowedValuesFunction();
        unsigned long count = listCountFunction(allowedValues);
        for (unsigned long i=1; i<=count; ++i)
        {
            int64_t value = listValueFunction(allowedValues, i);
            json_object *valueJson = jsonFunction(value);
            if (!shouldIncludeValue(valueJson))
                continue;
 
            char *summary = summaryFunction(value);
            rootMenuItem->addItem(new VuoInputEditorMenuItem(summary, valueJson));
            free(summary);
        }
    }
 
    return rootMenuItem;
}