initial commit

Libraries/oUF/private.lua

@@ -0,0 +1,63 @@
+local parent, ns = ...
+local Private = ns.oUF.Private
+
+function Private.argcheck(value, num, ...)
+	assert(type(num) == 'number', "Bad argument #2 to 'argcheck' (number expected, got " .. type(num) .. ')')
+
+	for i = 1, select('#', ...) do
+		if(type(value) == select(i, ...)) then return end
+	end
+
+	local types = strjoin(', ', ...)
+	local name = debugstack(2,2,0):match(": in function [`<](.-)['>]")
+	error(string.format("Bad argument #%d to '%s' (%s expected, got %s)", num, name, types, type(value)), 3)
+end
+
+function Private.print(...)
+	print('|cff33ff99oUF:|r', ...)
+end
+
+function Private.error(...)
+	Private.print('|cffff0000Error:|r ' .. string.format(...))
+end
+
+function Private.unitExists(unit)
+	return unit and (UnitExists(unit) or ShowBossFrameWhenUninteractable(unit))
+end
+
+local validator = CreateFrame('Frame')
+
+function Private.validateUnit(unit)
+	local isOK, _ = pcall(validator.RegisterUnitEvent, validator, 'UNIT_HEALTH', unit)
+	if(isOK) then
+		_, unit = validator:IsEventRegistered('UNIT_HEALTH')
+		validator:UnregisterEvent('UNIT_HEALTH')
+
+		return not not unit
+	end
+end
+
+local selectionTypes = {
+	[ 0] = 0,
+	[ 1] = 1,
+	[ 2] = 2,
+	[ 3] = 3,
+	[ 4] = 4,
+	[ 5] = 5,
+	[ 6] = 6,
+	[ 7] = 7,
+	[ 8] = 8,
+	[ 9] = 9,
+	-- [10] = 10, -- unavailable to players
+	-- [11] = 11, -- unavailable to players
+	-- [12] = 12, -- inconsistent due to bugs and its reliance on cvars
+	[13] = 13,
+}
+
+function Private.unitSelectionType(unit, considerHostile)
+	if(considerHostile and UnitThreatSituation('player', unit)) then
+		return 0
+	else
+		return selectionTypes[UnitSelectionType(unit, true)]
+	end
+end