| # 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) |