Source/WebCore/platform/network/create-http-header-name-table - WebKit - Git at Google

 #!/usr/bin/env python
 # Copyright (c) 2014 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:
 #
 #     * 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.

 import os
 import sys
 import subprocess

 program_name = os.path.basename(__file__)
 if len(sys.argv) < 2:
     sys.stderr.write("Usage: %s INPUT_FILE GPERF_EXECUTABLE\n" % program_name)
     exit(1)

 input_path = sys.argv[1]
 input_file = open(input_path)

 http_header_name_to_id = { }
 http_header_names = []

 for line in input_file:
     http_header_name = line.strip()
     if not http_header_name or http_header_name[:2] == '//':
         continue

     http_header_name_to_id[http_header_name] = http_header_name.replace('-', '').replace('.', '')

     http_header_names.append(http_header_name)

 input_file.close()

 http_header_names.sort()

 gperf_file = open('HTTPHeaderNames.gperf', 'w')
 gperf_file.write('''
 %{
 /*
  * Copyright (C) 2014 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 file is generated by create-http-header-name-table, do not edit.

 #include "config.h"
 #include "HTTPHeaderNames.h"

 #include <wtf/text/StringView.h>

 IGNORE_WARNINGS_BEGIN("implicit-fallthrough")

 // Older versions of gperf like to use the `register` keyword.
 #define register

 namespace WebCore {

 static const struct HeaderNameString {
     const char* const name;
     unsigned length;
 } headerNameStrings[] = {
 ''')

 for http_header_name in http_header_names:
     gperf_file.write('    { "%s", %u },\n' % (http_header_name, len(http_header_name)))

 gperf_file.write('};\n\n')

 gperf_file.write('''
 %}

 %language=C++
 %readonly-tables
 %global-table
 %compare-strncmp
 %ignore-case
 %struct-type
 struct HeaderNameHashEntry {
     const char* name;
     HTTPHeaderName headerName;
 };
 %define class-name HTTPHeaderNamesHash
 %define lookup-function-name findHeaderNameImpl
 %define hash-function-name header_name_hash_function
 %define word-array-name header_name_wordlist
 %enum
 %%
 ''')

 for http_header_name in http_header_names:
     gperf_file.write('%s, HTTPHeaderName::%s\n' % (http_header_name, http_header_name_to_id[http_header_name]))

 gperf_file.write('''%%
 bool findHTTPHeaderName(StringView stringView, HTTPHeaderName& headerName)
 {
     unsigned length = stringView.length();
     if (length > maxHTTPHeaderNameLength || length < minHTTPHeaderNameLength)
         return false;

     if (stringView.is8Bit()) {
         if (auto nameAndString = HTTPHeaderNamesHash::findHeaderNameImpl(reinterpret_cast<const char*>(stringView.characters8()), length)) {
             headerName = nameAndString->headerName;
             return true;
         }
     } else {
         LChar characters[maxHTTPHeaderNameLength];
         for (unsigned i = 0; i < length; ++i) {
             UChar character = stringView.characters16()[i];
             if (!isASCII(character))
                 return false;

             characters[i] = static_cast<LChar>(character);
         }

         if (auto nameAndString = HTTPHeaderNamesHash::findHeaderNameImpl(reinterpret_cast<const char*>(characters), length)) {
             headerName = nameAndString->headerName;
             return true;
         }
     }

     return false;
 }

 StringView httpHeaderNameString(HTTPHeaderName headerName)
 {
     ASSERT(static_cast<unsigned>(headerName) < numHTTPHeaderNames);

     const auto& name = headerNameStrings[static_cast<unsigned>(headerName)];

     return StringView { reinterpret_cast<const LChar*>(name.name), static_cast<unsigned>(name.length) };
 }

 } // namespace WebCore

 #if defined(__clang__)
 IGNORE_WARNINGS_END
 #endif
 ''')

 gperf_file.close()

 header_file = open('HTTPHeaderNames.h', 'w')
 header_file.write('''
 /*
  * Copyright (C) 2014 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 file is generated by create-http-header-name-table, do not edit.

 #ifndef HTTPHeaderNames_h
 #define HTTPHeaderNames_h

 #include <wtf/Forward.h>

 namespace WebCore {

 enum class HTTPHeaderName {
 ''')

 for http_header_name in http_header_names:
     header_file.write('    %s,\n' % http_header_name_to_id[http_header_name])

 header_file.write('};\n\n')
 header_file.write('const unsigned numHTTPHeaderNames = %u;\n' % len(http_header_names));
 header_file.write('const size_t minHTTPHeaderNameLength = %u;\n' % len(min(http_header_names, key=len)));
 header_file.write('const size_t maxHTTPHeaderNameLength = %u;\n' % len(max(http_header_names, key=len)));
 header_file.write('''
 bool findHTTPHeaderName(StringView, HTTPHeaderName&);
 WEBCORE_EXPORT StringView httpHeaderNameString(HTTPHeaderName);

 } // namespace WebCore

 namespace WTF {

 template<> struct EnumTraits<WebCore::HTTPHeaderName> {
     using values = EnumValues<
         WebCore::HTTPHeaderName,
 ''')

 is_first = True
 for http_header_name in http_header_names:
     if is_first:
         is_first = False
     else:
     	header_file.write(',\n')

     header_file.write('        WebCore::HTTPHeaderName::%s' % http_header_name_to_id[http_header_name])

 header_file.write('''
     >;
 };

 } // namespace WTF

 #endif // HTTPHeaderNames_h
 ''')
 header_file.close()

 gperf = os.getenv('GPERF') or sys.argv[2]

 if subprocess.call([gperf, '--key-positions=*', '-D', '-n', '-s', '2', 'HTTPHeaderNames.gperf', '--output-file=HTTPHeaderNames.cpp']) != 0:
     sys.stderr.write('Failed to run gperf.')
     exit(1)
	#!/usr/bin/env python
	# Copyright (c) 2014 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:
	#
	# * 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.

	import os
	import sys
	import subprocess

	program_name = os.path.basename(__file__)
	if len(sys.argv) < 2:
	sys.stderr.write("Usage: %s INPUT_FILE GPERF_EXECUTABLE\n" % program_name)
	exit(1)

	input_path = sys.argv[1]
	input_file = open(input_path)

	http_header_name_to_id = { }
	http_header_names = []

	for line in input_file:
	http_header_name = line.strip()
	if not http_header_name or http_header_name[:2] == '//':
	continue

	http_header_name_to_id[http_header_name] = http_header_name.replace('-', '').replace('.', '')

	http_header_names.append(http_header_name)

	input_file.close()

	http_header_names.sort()

	gperf_file = open('HTTPHeaderNames.gperf', 'w')
	gperf_file.write('''
	%{
	/*
	* Copyright (C) 2014 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 file is generated by create-http-header-name-table, do not edit.

	#include "config.h"
	#include "HTTPHeaderNames.h"

	#include <wtf/text/StringView.h>

	IGNORE_WARNINGS_BEGIN("implicit-fallthrough")

	// Older versions of gperf like to use the `register` keyword.
	#define register

	namespace WebCore {

	static const struct HeaderNameString {
	const char* const name;
	unsigned length;
	} headerNameStrings[] = {
	''')

	for http_header_name in http_header_names:
	gperf_file.write(' { "%s", %u },\n' % (http_header_name, len(http_header_name)))

	gperf_file.write('};\n\n')

	gperf_file.write('''
	%}

	%language=C++
	%readonly-tables
	%global-table
	%compare-strncmp
	%ignore-case
	%struct-type
	struct HeaderNameHashEntry {
	const char* name;
	HTTPHeaderName headerName;
	};
	%define class-name HTTPHeaderNamesHash
	%define lookup-function-name findHeaderNameImpl
	%define hash-function-name header_name_hash_function
	%define word-array-name header_name_wordlist
	%enum
	%%
	''')

	for http_header_name in http_header_names:
	gperf_file.write('%s, HTTPHeaderName::%s\n' % (http_header_name, http_header_name_to_id[http_header_name]))

	gperf_file.write('''%%
	bool findHTTPHeaderName(StringView stringView, HTTPHeaderName& headerName)
	{
	unsigned length = stringView.length();
	if (length > maxHTTPHeaderNameLength \|\| length < minHTTPHeaderNameLength)
	return false;

	if (stringView.is8Bit()) {
	if (auto nameAndString = HTTPHeaderNamesHash::findHeaderNameImpl(reinterpret_cast<const char*>(stringView.characters8()), length)) {
	headerName = nameAndString->headerName;
	return true;
	}
	} else {
	LChar characters[maxHTTPHeaderNameLength];
	for (unsigned i = 0; i < length; ++i) {
	UChar character = stringView.characters16()[i];
	if (!isASCII(character))
	return false;

	characters[i] = static_cast<LChar>(character);
	}

	if (auto nameAndString = HTTPHeaderNamesHash::findHeaderNameImpl(reinterpret_cast<const char*>(characters), length)) {
	headerName = nameAndString->headerName;
	return true;
	}
	}

	return false;
	}

	StringView httpHeaderNameString(HTTPHeaderName headerName)
	{
	ASSERT(static_cast<unsigned>(headerName) < numHTTPHeaderNames);

	const auto& name = headerNameStrings[static_cast<unsigned>(headerName)];

	return StringView { reinterpret_cast<const LChar*>(name.name), static_cast<unsigned>(name.length) };
	}

	} // namespace WebCore

	#if defined(__clang__)
	IGNORE_WARNINGS_END
	#endif
	''')

	gperf_file.close()

	header_file = open('HTTPHeaderNames.h', 'w')
	header_file.write('''
	/*
	* Copyright (C) 2014 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 file is generated by create-http-header-name-table, do not edit.

	#ifndef HTTPHeaderNames_h
	#define HTTPHeaderNames_h

	#include <wtf/Forward.h>

	namespace WebCore {

	enum class HTTPHeaderName {
	''')

	for http_header_name in http_header_names:
	header_file.write(' %s,\n' % http_header_name_to_id[http_header_name])

	header_file.write('};\n\n')
	header_file.write('const unsigned numHTTPHeaderNames = %u;\n' % len(http_header_names));
	header_file.write('const size_t minHTTPHeaderNameLength = %u;\n' % len(min(http_header_names, key=len)));
	header_file.write('const size_t maxHTTPHeaderNameLength = %u;\n' % len(max(http_header_names, key=len)));
	header_file.write('''
	bool findHTTPHeaderName(StringView, HTTPHeaderName&);
	WEBCORE_EXPORT StringView httpHeaderNameString(HTTPHeaderName);

	} // namespace WebCore

	namespace WTF {

	template<> struct EnumTraits<WebCore::HTTPHeaderName> {
	using values = EnumValues<
	WebCore::HTTPHeaderName,
	''')

	is_first = True
	for http_header_name in http_header_names:
	if is_first:
	is_first = False
	else:
	header_file.write(',\n')

	header_file.write(' WebCore::HTTPHeaderName::%s' % http_header_name_to_id[http_header_name])

	header_file.write('''
	>;
	};

	} // namespace WTF

	#endif // HTTPHeaderNames_h
	''')
	header_file.close()

	gperf = os.getenv('GPERF') or sys.argv[2]

	if subprocess.call([gperf, '--key-positions=*', '-D', '-n', '-s', '2', 'HTTPHeaderNames.gperf', '--output-file=HTTPHeaderNames.cpp']) != 0:
	sys.stderr.write('Failed to run gperf.')
	exit(1)