/**
* @ingroup VuoText
* Returns the index (starting at 1) of the last instance of @a substring in @a string.
* Returns 0 if @a substring is not found.
*
* This function will find occurrences that consist of the same Unicode characters as @a substring, but won't find
* occurrences that consist of the same Unicode string decomposed into a different number of Unicode characters.
*/
size_t VuoText_findLastOccurrence(const VuoText string, const VuoText substring)
{
if (! string)
return 0;
size_t foundIndex = 0;
size_t stringLength = VuoText_length(string);
size_t substringLength = VuoText_length(substring);
for (size_t i = 1; i <= stringLength - substringLength + 1; ++i)
{
VuoText currSubstring = VuoText_substring(string, i, substringLength);
if (VuoText_areEqual(substring, currSubstring))
foundIndex = i;
VuoRetain(currSubstring);
VuoRelease(currSubstring);
}
return foundIndex;
}
/**
* Searches the scenegraph (depth-first) for a scene object with the given name.
*
* @param so The root object of the scenegraph to search.
* @param nameToMatch The name to search for.
* @param[out] ancestorObjects The ancestors of @a foundObject, starting with the root of the scenegraph.
* @param[out] foundObject The first matching scene object found.
* @return True if a matching scene object was found.
*/
bool VuoSceneObject_find(VuoSceneObject so, VuoText nameToMatch, VuoList_VuoSceneObject ancestorObjects, VuoSceneObject *foundObject)
{
if (VuoText_areEqual(so.name, nameToMatch))
{
*foundObject = so;
return true;
}
VuoListAppendValue_VuoSceneObject(ancestorObjects, so);
unsigned long childObjectCount = (so.childObjects ? VuoListGetCount_VuoSceneObject(so.childObjects) : 0);
for (unsigned long i = 1; i <= childObjectCount; ++i)
{
VuoSceneObject childObject = VuoListGetValue_VuoSceneObject(so.childObjects, i);
if (VuoSceneObject_find(childObject, nameToMatch, ancestorObjects, foundObject))
return true;
}
VuoListRemoveLastValue_VuoSceneObject(ancestorObjects);
return false;
}
/**
* Returns true if the two audio output device specifications are identical.
*/
bool VuoAudioOutputDevice_areEqual(VuoAudioOutputDevice value1, VuoAudioOutputDevice value2)
{
return (value1.id == value2.id &&
VuoText_areEqual(value1.name, value2.name) &&
value1.channelCount == value2.channelCount);
}
/**
* Returns true if the two MIDI device specifications are identical.
*/
bool VuoMidiInputDevice_areEqual(const VuoMidiInputDevice value1, const VuoMidiInputDevice value2)
{
return value1.id == value2.id
&& VuoText_areEqual(value1.name, value2.name);
}
/**
* @ingroup VuoSyphonServerDescription
* Returns true if the server descriptions are identical.
*/
bool VuoSyphonServerDescription_areEqual(const VuoSyphonServerDescription value1, const VuoSyphonServerDescription value2)
{
return (VuoText_areEqual(value1.serverUUID, value2.serverUUID) &&
VuoText_areEqual(value1.serverName, value2.serverName) &&
VuoText_areEqual(value1.applicationName, value2.applicationName));
}
