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"""
Provides helper functionality specificially for Qt5 QML code generators
"""
def upper_first(s):
s = str(s)
return s[0].upper() + s[1:]
class Filters(object):
"""provides a set of filters to be used with the template engine"""
classPrefix = ''
@staticmethod
def className(symbol):
classPrefix = Filters.classPrefix
return '{0}{1}'.format(classPrefix, symbol.name)
@staticmethod
def defaultValue(symbol):
module = upper_first(symbol.module.module_name)
t = symbol.type
if t.is_primitive:
if t.name == 'int':
return '0'
elif t.name == 'real':
return "0.0"
elif t.name == 'bool':
return 'false'
elif t.name == 'string':
return "''"
elif t.name == 'var':
return "undefined"
elif t.is_enum:
value = next(iter(t.reference.members))
return '{0}Module.{1}'.format(module, value)
if t.is_struct:
return '{0}Module.create{1}()'.format(module, t)
if t.is_model:
return 'ListModel {}'
return 'XXX'
@staticmethod
def propertyType(symbol):
t = symbol.type
if t.is_enum:
return 'int'
if t.is_void or t.is_primitive:
if t.name == 'int':
return 'int'
if t.name == 'bool':
return 'bool'
if t.name == 'string':
return 'string'
if t.is_struct:
return 'var'
if t.is_model:
return 'ListModel'
return t
@staticmethod
def get_filters():
return {
'qml.className': Filters.className,
'qml.defaultValue': Filters.defaultValue,
'qml.propertyType': Filters.propertyType,
}
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