blob: 779747c8719e9c7e1ddd296ce3a6302212765819 [file] [log] [blame]
# Follows convention set in objectivec_helpers.cc in the protobuf ObjC compiler.
_upper_segments_list = ["url", "http", "https"]
def strip_extension(str):
return str.rpartition(".")[0]
def capitalize(word):
if word in _upper_segments_list:
return word.upper()
else:
return word.capitalize()
def lower_underscore_to_upper_camel(str):
str = strip_extension(str)
camel_case_str = ""
word = ""
for c in str.elems(): # NB: assumes ASCII!
if c.isalpha():
word += c.lower()
else:
# Last word is finished.
if len(word):
camel_case_str += capitalize(word)
word = ""
if c.isdigit():
camel_case_str += c
# Otherwise, drop the character. See UnderscoresToCamelCase in:
# third_party/protobuf/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc
if len(word):
camel_case_str += capitalize(word)
return camel_case_str
def file_to_upper_camel(src):
elements = src.rpartition("/")
upper_camel = lower_underscore_to_upper_camel(elements[-1])
return "".join(list(elements[:-1]) + [upper_camel])
def file_with_extension(src, ext):
elements = src.rpartition("/")
return "".join(list(elements[:-1]) + [elements[-1], "." + ext])
def to_upper_camel_with_extension(src, ext):
src = file_to_upper_camel(src)
return file_with_extension(src, ext)