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#!/usr/bin/env python
#
# Copyright (C) 2013 Apple 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:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
# This script inlines and minifies external stylesheets and scripts.
# - <link href="..." rel="stylesheet"> => <style>...</style>
# - <script src="..."> => <script>...</script>
import cssmin
import jsmin
import os.path
import re
import sys
def main(argv):
if len(argv) < 2:
print('usage: %s inputFile outputFile' % argv[0])
return 1
inputFileName = argv[1]
outputFileName = argv[2]
importsDir = os.path.dirname(inputFileName)
inputFile = open(inputFileName, 'r')
inputContent = inputFile.read()
inputFile.close()
def inline(match, minifier, prefix, postfix):
importFileName = match.group(1)
fullPath = os.path.join(importsDir, importFileName)
if not os.access(fullPath, os.F_OK):
raise Exception('File %s referenced in %s not found' % (importFileName, inputFileName))
importFile = open(fullPath, 'r')
importContent = minifier(importFile.read())
importFile.close()
return '%s%s%s' % (prefix, importContent, postfix)
def inlineStylesheet(match):
return inline(match, cssmin.cssminify, "<style>", "</style>")
def inlineScript(match):
return inline(match, jsmin.jsmin, "<script>", "</script>")
outputContent = re.sub(r'<link rel="stylesheet" href=[\'"]([^\'"]+)[\'"]>', inlineStylesheet, inputContent)
outputContent = re.sub(r'<script src=[\'"]([^\'"]+)[\'"]></script>', inlineScript, outputContent)
outputFile = open(outputFileName, 'w')
outputFile.write(outputContent)
outputFile.close()
# Touch output file directory to make sure that Xcode will copy
# modified resource files.
if sys.platform == 'darwin':
outputDirName = os.path.dirname(outputFileName)
os.utime(outputDirName, None)
if __name__ == '__main__':
sys.exit(main(sys.argv))
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