WebKit IDL roll.

third_party/WebCore/make-file-arrays.py

+#!/usr/bin/env python
+# Copyright (C) 2012 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.
+
+# Usage: make-file-arrays.py [--condition=condition-string] --out-h=<header-file-name> --out-cpp=<cpp-file-name> <input-file>...
+
+import os.path
+import re
+import sys
+from optparse import OptionParser
+
+
+def make_variable_name_and_read(file_name):
+    result = re.match(r"([\w\d_]+)\.([\w\d_]+)", os.path.basename(file_name))
+    if not result:
+        print "Invalid input file name:", os.path.basename(file_name)
+        sys.exit(1)
+    variable_name = result.group(1)[0].lower() + result.group(1)[1:] + result.group(2).capitalize()
+    file = open(file_name, "rb")
+    content = file.read()
+    file.close()
+    return (variable_name, content)
+
+
+def strip_whitespace_and_comments(file_name, content):
+    result = re.match(r".*\.([^.]+)", file_name)
+    if not result:
+        print "The file name has no extension:", file_name
+        sys.exit(1)
+    extension = result.group(1).lower()
+    multi_line_comment = re.compile(r"/\*.*?\*/", re.MULTILINE | re.DOTALL)
+    single_line_comment = re.compile(r"//.*$", re.MULTILINE)
+    repeating_space = re.compile(r"[ \t]+", re.MULTILINE)
+    leading_space = re.compile(r"^[ \t]+", re.MULTILINE)
+    trailing_space = re.compile(r"[ \t]+$", re.MULTILINE)
+    empty_line = re.compile(r"\n+")
+    if extension == "js":
+        content = multi_line_comment.sub("", content)
+        content = single_line_comment.sub("", content)
+        content = repeating_space.sub(" ", content)
+        content = leading_space.sub("", content)
+        content = trailing_space.sub("", content)
+        content = empty_line.sub("\n", content)
+    elif extension == "css":
+        content = multi_line_comment.sub("", content)
+        content = repeating_space.sub(" ", content)
+        content = leading_space.sub("", content)
+        content = trailing_space.sub("", content)
+        content = empty_line.sub("\n", content)
+    return content
+
+
+def main():
+    parser = OptionParser()
+    parser.add_option("--out-h", dest="out_header")
+    parser.add_option("--out-cpp", dest="out_cpp")
+    parser.add_option("--condition", dest="flag")
+    (options, args) = parser.parse_args()
+    if len(args) < 1:
+        parser.error("Need one or more input files")
+    if not options.out_header:
+        parser.error("Need to specify --out-h=filename")
+    if not options.out_cpp:
+        parser.error("Need to specify --out-cpp=filename")
+
+    if options.flag:
+        options.flag = options.flag.replace(" AND ", " && ")
+        options.flag = options.flag.replace(" OR ", " || ")
+
+    header_file = open(options.out_header, "w")
+    if options.flag:
+        header_file.write("#if " + options.flag + "\n")
+    header_file.write("namespace WebCore {\n")
+
+    cpp_file = open(options.out_cpp, "w")
+    cpp_file.write("#include \"config.h\"\n")
+    cpp_file.write("#include \"" + os.path.basename(options.out_header) + "\"\n")
+    if options.flag:
+        cpp_file.write("#if " + options.flag + "\n")
+    cpp_file.write("namespace WebCore {\n")
+
+    for file_name in args:
+        (variable_name, content) = make_variable_name_and_read(file_name)
+        content = strip_whitespace_and_comments(file_name, content)
+        size = len(content)
+        header_file.write("extern const char %s[%d];\n" % (variable_name, size))
+        cpp_file.write("const char %s[%d] = {\n" % (variable_name, size))
+        for index in range(size):
+            char_code = ord(content[index])
+            if char_code < 128:
+                cpp_file.write("%d" % char_code)
+            else:
+                cpp_file.write("'\\x%02x'" % char_code)
+            cpp_file.write("," if index != len(content) - 1 else "};\n")
+            if index % 20 == 19:
+                cpp_file.write("\n")
+        cpp_file.write("\n")
+
+    header_file.write("}\n")
+    if options.flag:
+        header_file.write("#endif\n")
+    header_file.close()
+
+    cpp_file.write("}\n")
+    if options.flag:
+        cpp_file.write("#endif\n")
+    cpp_file.close()
+
+
+if __name__ == "__main__":
+    main()