WebKit IDL roll.

third_party/WebCore/WebCore.gyp/scripts/action_useragentstylesheets.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.
+#
+# 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.
+
+# usage:
+# action_useragentstylesheets.py OUTPUTS INPUTS -- MAINSCRIPT MODULES -- OPTIONS
+#
+# OUTPUTS must contain two items, in order: a path to UserAgentStyleSheets.h
+# and a path to UserAgentStyleSheetsData.cpp.
+# INPUTS contains one or more CSS files.
+#
+# MAINSCRIPT is the path to make-css-file-arrays.pl. MODULES may contain
+# multiple paths to additional perl modules.
+#
+# OPTIONS are passed as-is to MAINSCRIPT as additional arguments.
+
+
+import os
+import shlex
+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):
+    sections = SplitArgsIntoSections(args[1:])
+    assert len(sections) == 3
+    (outputsInputs, scripts, options) = sections
+
+    assert len(outputsInputs) >= 3
+    outputH = outputsInputs[0]
+    outputCpp = outputsInputs[1]
+    styleSheets = outputsInputs[2:]
+
+    assert len(scripts) >= 1
+    makeCssFileArrays = scripts[0]
+    perlModules = scripts[1:]
+
+    includeDirs = []
+    for perlModule in perlModules:
+        includeDir = os.path.dirname(perlModule)
+        if not includeDir in includeDirs:
+            includeDirs.append(includeDir)
+
+    # 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)
+
+    # Build up the command.
+    command = ['perl']
+    for includeDir in includeDirs:
+        command.extend(['-I', includeDir])
+    command.append(makeCssFileArrays)
+    command.extend(options)
+    command.extend([outputH, outputCpp])
+    command.extend(styleSheets)
+
+    # Do it. check_call is new in 2.5, so simulate its behavior with call and
+    # assert.
+    returnCode = subprocess.call(command)
+    assert returnCode == 0
+
+    return returnCode
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))