blob: 647cdd8242faf785e0231434d0090e6c39773dad [file] [log] [blame]
#!/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
#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)