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#!/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))
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