blob: 5c9fa5be41981ea26143f96fd54696997a349d9b [file] [log] [blame]
#! /usr/bin/env perl
#
# This file is part of the WebKit project
#
# Copyright (C) 1999 Waldo Bastian (bastian@kde.org)
# Copyright (C) 2007, 2012 Apple Inc. All rights reserved.
# Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
# Copyright (C) 2010 Andras Becsi (abecsi@inf.u-szeged.hu), University of Szeged
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with this library; see the file COPYING.LIB. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
use FindBin;
use lib "$FindBin::Bin/../bindings/scripts";
use Getopt::Long;
use preprocessor;
use strict;
use warnings;
my $defines;
my $preprocessor;
my $gperf;
GetOptions('defines=s' => \$defines,
'preprocessor=s' => \$preprocessor,
'gperf-executable=s' => \$gperf);
my @NAMES = applyPreprocessor("CSSValueKeywords.in", $defines, $preprocessor);
my %namesHash;
my @duplicates = ();
my @names = ();
my @lower_names = ();
my $numPredefinedProperties = 1;
foreach (@NAMES) {
next if (m/(^\s*$)/);
next if (/^#/);
# Input may use a different EOL sequence than $/, so avoid chomp.
$_ =~ s/[\r\n]+$//g;
# CSS values need to be lower case.
if (exists $namesHash{$_}) {
push @duplicates, $_;
} else {
$namesHash{$_} = 1;
}
push @names, $_;
push @lower_names, lc $_;
}
if (@duplicates > 0) {
die 'Duplicate CSS value keywords values: ', join(', ', @duplicates) . "\n";
}
open GPERF, ">CSSValueKeywords.gperf" || die "Could not open CSSValueKeywords.gperf for writing";
print GPERF << "EOF";
%{
/* This file is automatically generated from CSSValueKeywords.in by makevalues, do not edit */
#include \"config.h\"
#include \"CSSValueKeywords.h\"
#include \"HashTools.h\"
#include <wtf/ASCIICType.h>
#include <wtf/text/AtomString.h>
#include <wtf/text/WTFString.h>
#include <string.h>
IGNORE_WARNINGS_BEGIN(\"implicit-fallthrough\")
// Older versions of gperf like to use the `register` keyword.
#define register
namespace WebCore {
%}
%struct-type
struct Value;
%omit-struct-type
%language=C++
%readonly-tables
%compare-strncmp
%define class-name CSSValueKeywordsHash
%define lookup-function-name findValueImpl
%define hash-function-name value_hash_function
%define word-array-name value_word_list
%enum
%%
EOF
for my $i (0 .. $#names) {
my $id = $names[$i];
$id =~ s/(^[^-])|-(.)/uc($1||$2)/ge;
if($lower_names[$i] eq "-infinity") {
print GPERF $lower_names[$i] . ", CSSValueNegativeInfinity" . "\n";
} else {
print GPERF $lower_names[$i] . ", CSSValue" . $id . "\n";
}
}
print GPERF << "EOF";
%%
static constexpr ASCIILiteral valueList[] = {
""_s,
EOF
foreach my $name (@names) {
print GPERF " \"" . $name . "\"_s,\n";
}
print GPERF << "EOF";
ASCIILiteral()
};
const Value* findValue(const char* str, unsigned int len)
{
return CSSValueKeywordsHash::findValueImpl(str, len);
}
ASCIILiteral getValueName(unsigned short id)
{
if (id > lastCSSValueKeyword)
return { };
return valueList[id];
}
const AtomString& getValueNameAtomString(CSSValueID id)
{
if (id < firstCSSValueKeyword || id > lastCSSValueKeyword)
return nullAtom();
static AtomString* valueKeywordStrings = new AtomString[numCSSValueKeywords]; // Leaked intentionally.
AtomString& valueKeywordString = valueKeywordStrings[id];
if (valueKeywordString.isNull())
valueKeywordString = getValueName(id);
return valueKeywordString;
}
String getValueNameString(CSSValueID id)
{
// We share the StringImpl with the AtomStrings.
return getValueNameAtomString(id).string();
}
} // namespace WebCore
IGNORE_WARNINGS_END
EOF
close GPERF;
open HEADER, ">CSSValueKeywords.h" || die "Could not open CSSValueKeywords.h for writing";
print HEADER << "EOF";
/* This file is automatically generated from CSSValueKeywords.in by makevalues, do not edit */
#pragma once
#include <string.h>
#include <wtf/Forward.h>
#include <wtf/HashFunctions.h>
#include <wtf/HashTraits.h>
namespace WebCore {
enum CSSValueID {
CSSValueInvalid = 0,
EOF
my $first = 0; # Include CSSValueInvalid in the total number of values
my $i = $numPredefinedProperties;
my $maxLen = 0;
foreach my $name (@names) {
my $id = $name;
$id =~ s/(^[^-])|-(.)/uc($1||$2)/ge;
if($name eq "-infinity") {
print HEADER " CSSValueNegativeInfinity = " . $i . ",\n";
} else {
print HEADER " CSSValue" . $id . " = " . $i . ",\n";
}
$i = $i + 1;
if (length($name) > $maxLen) {
$maxLen = length($name);
}
}
my $num = $i - $first;
my $last = $i - 1;
print HEADER "};\n\n";
print HEADER "const int firstCSSValueKeyword = $first;\n";
print HEADER "const int numCSSValueKeywords = $num;\n";
print HEADER "const int lastCSSValueKeyword = $last;\n";
print HEADER "const size_t maxCSSValueKeywordLength = " . $maxLen . ";\n";
print HEADER << "EOF";
ASCIILiteral getValueName(unsigned short id);
const AtomString& getValueNameAtomString(CSSValueID id);
String getValueNameString(CSSValueID id);
inline CSSValueID convertToCSSValueID(int value)
{
ASSERT(value >= firstCSSValueKeyword && value <= lastCSSValueKeyword);
return static_cast<CSSValueID>(value);
}
} // namespace WebCore
namespace WTF {
template<> struct DefaultHash<WebCore::CSSValueID> : IntHash<unsigned> { };
template<> struct HashTraits<WebCore::CSSValueID> : StrongEnumHashTraits<WebCore::CSSValueID> { };
} // namespace WTF
EOF
close HEADER;
if (not $gperf) {
$gperf = $ENV{GPERF} ? $ENV{GPERF} : "gperf";
}
system("\"$gperf\" --key-positions=\"*\" -D -n -s 2 CSSValueKeywords.gperf --output-file=CSSValueKeywords.cpp") == 0 || die "calling gperf failed: $?";