Returns the CPP variable that should be used as a header guard. Args: filename: The name of a C++ header file. Returns: The CPP variable that should be used as a header guard in the named file.
(filename)
| 1812 | return lst |
| 1813 | |
| 1814 | def GetHeaderGuardCPPVariable(filename): |
| 1815 | """Returns the CPP variable that should be used as a header guard. |
| 1816 | |
| 1817 | Args: |
| 1818 | filename: The name of a C++ header file. |
| 1819 | |
| 1820 | Returns: |
| 1821 | The CPP variable that should be used as a header guard in the |
| 1822 | named file. |
| 1823 | |
| 1824 | """ |
| 1825 | |
| 1826 | # Restores original filename in case that cpplint is invoked from Emacs's |
| 1827 | # flymake. |
| 1828 | filename = re.sub(r'_flymake\.h$', '.h', filename) |
| 1829 | filename = re.sub(r'/\.flymake/([^/]*)$', r'/\1', filename) |
| 1830 | # Replace 'c++' with 'cpp'. |
| 1831 | filename = filename.replace('C++', 'cpp').replace('c++', 'cpp') |
| 1832 | |
| 1833 | fileinfo = FileInfo(filename) |
| 1834 | file_path_from_root = fileinfo.RepositoryName() |
| 1835 | |
| 1836 | def FixupPathFromRoot(): |
| 1837 | if _root_debug: |
| 1838 | sys.stderr.write("\n_root fixup, _root = '%s', repository name = '%s'\n" |
| 1839 | %(_root, fileinfo.RepositoryName())) |
| 1840 | |
| 1841 | # Process the file path with the --root flag if it was set. |
| 1842 | if not _root: |
| 1843 | if _root_debug: |
| 1844 | sys.stderr.write("_root unspecified\n") |
| 1845 | return file_path_from_root |
| 1846 | |
| 1847 | def StripListPrefix(lst, prefix): |
| 1848 | # f(['x', 'y'], ['w, z']) -> None (not a valid prefix) |
| 1849 | if lst[:len(prefix)] != prefix: |
| 1850 | return None |
| 1851 | # f(['a, 'b', 'c', 'd'], ['a', 'b']) -> ['c', 'd'] |
| 1852 | return lst[(len(prefix)):] |
| 1853 | |
| 1854 | # root behavior: |
| 1855 | # --root=subdir , lstrips subdir from the header guard |
| 1856 | maybe_path = StripListPrefix(PathSplitToList(file_path_from_root), |
| 1857 | PathSplitToList(_root)) |
| 1858 | |
| 1859 | if _root_debug: |
| 1860 | sys.stderr.write(("_root lstrip (maybe_path=%s, file_path_from_root=%s," + |
| 1861 | " _root=%s)\n") %(maybe_path, file_path_from_root, _root)) |
| 1862 | |
| 1863 | if maybe_path: |
| 1864 | return os.path.join(*maybe_path) |
| 1865 | |
| 1866 | # --root=.. , will prepend the outer directory to the header guard |
| 1867 | full_path = fileinfo.FullName() |
| 1868 | root_abspath = os.path.abspath(_root) |
| 1869 | |
| 1870 | maybe_path = StripListPrefix(PathSplitToList(full_path), |
| 1871 | PathSplitToList(root_abspath)) |
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