#!/usr/bin/python # # Copyright (C) 2009 Google Inc. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # * Neither the name of Google Inc. nor the names of its # contributors may be used to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # Copyright (c) 2009 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. # action_cssvaluekeywords.py is a harness script to connect actions sections of # gyp-based builds to makevalues.pl. # # usage: action_cssvaluekeywords.py OUTPUTS -- [--defines ENABLE_FLAG1 ENABLE_FLAG2 ...] -- INPUTS # # Exactly two outputs must be specified: a path to each of CSSValueKeywords.c # and CSSValueKeywords.h. # # Multiple inputs may be specified. One input must have a basename of # makevalues.pl; this is taken as the path to makevalues.pl. All other inputs # are paths to .in files that are used as input to makevalues.pl; at least # one, CSSValueKeywords.in, is required. import os import posixpath import shlex import shutil import subprocess import sys def SplitArgsIntoSections(args): sections = [] while len(args) > 0: if not '--' in args: # If there is no '--' left, everything remaining is an entire section. dashes = len(args) else: dashes = args.index('--') sections.append(args[:dashes]) # Next time through the loop, look at everything after this '--'. if dashes + 1 == len(args): # If the '--' is at the end of the list, we won't come back through the # loop again. Add an empty section now corresponding to the nothingness # following the final '--'. args = [] sections.append(args) else: args = args[dashes + 1:] return sections def SplitDefines(options): # The defines come in as one flat string. Split it up into distinct arguments. if '--defines' in options: definesIndex = options.index('--defines') if definesIndex + 1 < len(options): splitOptions = shlex.split(options[definesIndex + 1]) if splitOptions: options[definesIndex + 1] = ' '.join(splitOptions) def main(args): outputs, options, inputs = SplitArgsIntoSections(args[1:]) SplitDefines(options) # Make all output pathnames absolute so that they can be accessed after # changing directory. for index in xrange(0, len(outputs)): outputs[index] = os.path.abspath(outputs[index]) outputDir = os.path.dirname(outputs[0]) # Look at the inputs and figure out which one is makevalues.pl and which are # inputs to that script. makevaluesInput = None inFiles = [] for input in inputs: # Make input pathnames absolute so they can be accessed after changing # directory. On Windows, convert \ to / for inputs to the perl script to # work around the intermix of activepython + cygwin perl. inputAbs = os.path.abspath(input) inputAbsPosix = inputAbs.replace(os.path.sep, posixpath.sep) inputBasename = os.path.basename(input) if inputBasename == 'makevalues.pl': assert makevaluesInput == None makevaluesInput = inputAbs elif inputBasename.endswith('.in'): inFiles.append(inputAbsPosix) else: assert False assert makevaluesInput != None assert len(inFiles) >= 1 # Change to the output directory because makevalues.pl puts output in its # working directory. os.chdir(outputDir) # Merge all inFiles into a single file whose name will be the same as the # first listed inFile, but in the output directory. mergedPath = os.path.basename(inFiles[0]) merged = open(mergedPath, 'wb') # 'wb' to get \n only on windows # Concatenate all the input files. for inFilePath in inFiles: inFile = open(inFilePath) shutil.copyfileobj(inFile, merged) inFile.close() merged.close() # scriptsPath is a Perl include directory, located relative to # makevaluesInput. scriptsPath = os.path.normpath( os.path.join(os.path.dirname(makevaluesInput), os.pardir, 'bindings', 'scripts')) # Build up the command. command = ['perl', '-I', scriptsPath, makevaluesInput] command.extend(options) # Do it. checkCall is new in 2.5, so simulate its behavior with call and # assert. returnCode = subprocess.call(command) assert returnCode == 0 # Don't leave behind the merged file or the .gperf file created by # makevalues. (root, ext) = os.path.splitext(mergedPath) gperfPath = root + '.gperf' os.unlink(gperfPath) os.unlink(mergedPath) # Go through the outputs. Any output that belongs in a different directory # is moved. Do a copy and delete instead of rename for maximum portability. # Note that all paths used in this section are still absolute. for output in outputs: thisOutputDir = os.path.dirname(output) if thisOutputDir != outputDir: outputBasename = os.path.basename(output) src = os.path.join(outputDir, outputBasename) dst = os.path.join(thisOutputDir, outputBasename) shutil.copyfile(src, dst) os.unlink(src) return returnCode if __name__ == '__main__': sys.exit(main(sys.argv))