Add proto files so we can run jscompile on remoting JS files.

BUG=
R=jamiewalch@chromium.org

Review URL: https://codereview.chromium.org/130423010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247466 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 79 insertions, 0 deletions

diff --git a/remoting/tools/htmlcompile.py b/remoting/tools/htmlcompile.py
new file mode 100755
index 0000000..9fcb5a7
--- /dev/null
+++ b/remoting/tools/htmlcompile.py
@@ -0,0 +1,79 @@
+#!/usr/bin/python
+# Copyright 2014 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.
+
+import argparse
+from HTMLParser import HTMLParser
+import subprocess
+import sys
+import os
+
+DESCRIPTION = '''Extract the <script> tags from the specified html file and
+run them through jscompile, along with any additional JS files specified.'''
+FILES_HELP = '''A list of HTML or Javascript files. The Javascript files should
+contain definitions of types or functions that are known to Chrome but not to
+jscompile; they are added to the list of <script> tags found in each of the
+HTML files.'''
+STAMP_HELP = 'Timestamp file to update on success.'
+
+class ScriptTagParser(HTMLParser):
+  def __init__(self):
+    HTMLParser.__init__(self)
+    self.scripts = []
+
+  def handle_starttag(self, tag, attrs):
+    if tag == 'script':
+      for (name, value) in attrs:
+        if name == 'src':
+          self.scripts.append(value)
+
+
+def parseHtml(html_file, js_proto_files):
+  src_dir = os.path.split(html_file)[0]
+  f = open(html_file, 'r')
+  html = f.read()
+  parser = ScriptTagParser();
+  parser.feed(html)
+  scripts = []
+  for script in parser.scripts:
+    # Ignore non-local scripts
+    if not '://' in script:
+      scripts.append(os.path.join(src_dir, script))
+
+  args = ['jscompile'] + scripts + js_proto_files
+  result = subprocess.call(args)
+  return result == 0
+
+
+def main():
+  parser = argparse.ArgumentParser(description = DESCRIPTION)
+  parser.add_argument('files', nargs = '+', help = FILES_HELP)
+  parser.add_argument('--success-stamp', dest = 'success_stamp',
+                      help = STAMP_HELP)
+  options = parser.parse_args()
+
+  html = []
+  js = []
+  for file in options.files:
+    name, extension = os.path.splitext(file)
+    if extension == '.html':
+      html.append(file)
+    elif extension == '.js':
+      js.append(file)
+    else:
+      print >> sys.stderr, 'Unknown extension (' + extension + ') for ' + file
+      return 1
+
+  for html_file in html:
+    if not parseHtml(html_file, js):
+      return 1
+
+  if options.success_stamp:
+    with open(options.success_stamp, 'w'):
+      os.utime(options.success_stamp, None)
+
+  return 0
+
+if __name__ == '__main__':
+  sys.exit(main())