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