#!/usr/bin/env python3 # Copyright (c) 2012 Google Inc. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. """Pretty-prints the contents of a GYP file.""" import sys import re # Regex to remove comments when we're counting braces. COMMENT_RE = re.compile(r"\s*#.*") # Regex to remove quoted strings when we're counting braces. # It takes into account quoted quotes, and makes sure that the quotes match. # NOTE: It does not handle quotes that span more than one line, or # cases where an escaped quote is preceded by an escaped backslash. QUOTE_RE_STR = r'(?P[\'"])(.*?)(? 0: after = True # This catches the special case of a closing brace having something # other than just whitespace ahead of it -- we don't want to # unindent that until after this line is printed so it stays with # the previous indentation level. if cnt < 0 and closing_prefix_re.match(stripline): after = True return (cnt, after) def prettyprint_input(lines): """Does the main work of indenting the input based on the brace counts.""" indent = 0 basic_offset = 2 for line in lines: if COMMENT_RE.match(line): print(line) else: line = line.strip("\r\n\t ") # Otherwise doesn't strip \r on Unix. if len(line) > 0: (brace_diff, after) = count_braces(line) if brace_diff != 0: if after: print(" " * (basic_offset * indent) + line) indent += brace_diff else: indent += brace_diff print(" " * (basic_offset * indent) + line) else: print(" " * (basic_offset * indent) + line) else: print("") def main(): if len(sys.argv) > 1: data = open(sys.argv[1]).read().splitlines() else: data = sys.stdin.read().splitlines() # Split up the double braces. lines = split_double_braces(data) # Indent and print the output. prettyprint_input(lines) return 0 if __name__ == "__main__": sys.exit(main())