| #!/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. |
| # |
| # action_csspropertynames.py is a harness script to connect actions sections of |
| # gyp-based builds to makeprop.pl. |
| # |
| # usage: action_makenames.py OUTPUTS -- INPUTS |
| # |
| # Exactly two outputs must be specified: a path to each of CSSPropertyNames.cpp |
| # and CSSPropertyNames.h. |
| # |
| # Multiple inputs may be specified. One input must have a basename of |
| # makeprop.pl; this is taken as the path to makeprop.pl. All other inputs are |
| # paths to .in files that are used as input to makeprop.pl; at least one, |
| # CSSPropertyNames.in, is required. |
| |
| |
| import os |
| import posixpath |
| 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 main(args): |
| (outputs, inputs) = SplitArgsIntoSections(args[1:]) |
| |
| # 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 makeprop.pl and which are |
| # inputs to that script. |
| makepropInput = 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 == 'makeprop.pl': |
| assert makepropInput == None |
| makepropInput = inputAbs |
| elif inputBasename.endswith('.in'): |
| inFiles.append(inputAbsPosix) |
| else: |
| assert False |
| |
| assert makepropInput != None |
| assert len(inFiles) >= 1 |
| |
| # Change to the output directory because makeprop.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 |
| |
| # Make sure there aren't any duplicate lines in the in files. |
| lineDict = {} |
| for inFilePath in inFiles: |
| inFile = open(inFilePath) |
| for line in inFile: |
| line = line.rstrip() |
| if line.startswith('#'): |
| line = '' |
| if line == '': |
| continue |
| if line in lineDict: |
| raise KeyError, 'Duplicate value %s' % line |
| lineDict[line] = True |
| print >>merged, line |
| inFile.close() |
| |
| merged.close() |
| |
| # Build up the command. |
| command = ['perl', makepropInput] |
| |
| # 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 |
| # makeprop. |
| (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)) |