WebKit IDL roll.

third_party/WebCore/WebCore.gyp/scripts/action_csspropertynames.py

+#!/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_csspropertynames.py OUTPUTS -- [--defines ENABLE_FLAG1 ENABLE_FLAG2 ...] -- 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 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 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
+
+    # 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
+    # makepropInput.
+    scriptsPath = os.path.normpath(
+        os.path.join(os.path.dirname(makepropInput), os.pardir, 'bindings', 'scripts'))
+
+    # Build up the command.
+    command = ['perl', '-I', scriptsPath, makepropInput]
+    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
+    # 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))