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#! /usr/bin/perl
#
# This file is part of the WebKit project
#
# Copyright (C) 1999 Waldo Bastian (bastian@kde.org)
# Copyright (C) 2007, 2008, 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 Getopt::Long;
use preprocessor;
use strict;
use warnings;
my $defines;
my $preprocessor;
GetOptions('defines=s' => \$defines,
'preprocessor=s' => \$preprocessor);
my @NAMES = applyPreprocessor("CSSPropertyNames.in", $defines, $preprocessor);
my %namesHash;
my @duplicates = ();
my @names = ();
my @aliases = ();
foreach (@NAMES) {
next if (m/(^\s*$)/);
next if (/^#/);
# Input may use a different EOL sequence than $/, so avoid chomp.
$_ =~ s/[\r\n]+$//g;
if (exists $namesHash{$_}) {
push @duplicates, $_;
} else {
$namesHash{$_} = 1;
}
if ($_ =~ /=/) {
push @aliases, $_;
} else {
push @names, $_;
}
}
if (@duplicates > 0) {
die 'Duplicate CSS property names: ', join(', ', @duplicates) . "\n";
}
open GPERF, ">CSSPropertyNames.gperf" || die "Could not open CSSPropertyNames.gperf for writing";
print GPERF << "EOF";
%{
/* This file is automatically generated from CSSPropertyNames.in by makeprop, do not edit */
#include "config.h"
#include \"CSSPropertyNames.h\"
#include \"HashTools.h\"
#include <string.h>
#include <wtf/ASCIICType.h>
#include <wtf/text/AtomicString.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
EOF
print GPERF "const char* const propertyNameStrings[numCSSProperties] = {\n";
foreach my $name (@names) {
print GPERF " \"$name\",\n";
}
print GPERF "};\n\n";
print GPERF << "EOF";
%}
%struct-type
struct Property;
%omit-struct-type
%language=C++
%readonly-tables
%global-table
%compare-strncmp
%define class-name CSSPropertyNamesHash
%define lookup-function-name findPropertyImpl
%define hash-function-name propery_hash_function
%define word-array-name property_wordlist
%enum
%%
EOF
foreach my $name (@names) {
my $id = $name;
$id =~ s/(^[^-])|-(.)/uc($1||$2)/ge;
print GPERF $name . ", CSSProperty" . $id . "\n";
}
foreach my $alias (@aliases) {
$alias =~ /^([^\s]*)[\s]*=[\s]*([^\s]*)/;
my $name = $1;
my $id = $2;
$id =~ s/(^[^-])|-(.)/uc($1||$2)/ge;
print GPERF $name . ", CSSProperty" . $id . "\n";
}
print GPERF<< "EOF";
%%
const Property* findProperty(register const char* str, register unsigned int len)
{
return CSSPropertyNamesHash::findPropertyImpl(str, len);
}
const char* getPropertyName(CSSPropertyID id)
{
if (id < firstCSSProperty)
return 0;
int index = id - firstCSSProperty;
if (index >= numCSSProperties)
return 0;
return propertyNameStrings[index];
}
const AtomicString& getPropertyNameAtomicString(CSSPropertyID id)
{
if (id < firstCSSProperty)
return nullAtom;
int index = id - firstCSSProperty;
if (index >= numCSSProperties)
return nullAtom;
static AtomicString* propertyStrings = new AtomicString[numCSSProperties]; // Intentionally never destroyed.
AtomicString& propertyString = propertyStrings[index];
if (propertyString.isNull()) {
const char* propertyName = propertyNameStrings[index];
propertyString = AtomicString(propertyName, strlen(propertyName), AtomicString::ConstructFromLiteral);
}
return propertyString;
}
String getPropertyNameString(CSSPropertyID id)
{
// We share the StringImpl with the AtomicStrings.
return getPropertyNameAtomicString(id).string();
}
String getJSPropertyName(CSSPropertyID id)
{
char result[maxCSSPropertyNameLength + 1];
const char* cssPropertyName = getPropertyName(id);
const char* propertyNamePointer = cssPropertyName;
if (!propertyNamePointer)
return emptyString();
char* resultPointer = result;
while (char character = *propertyNamePointer++) {
if (character == '-') {
char nextCharacter = *propertyNamePointer++;
if (!nextCharacter)
break;
character = (propertyNamePointer - 2 != cssPropertyName) ? toASCIIUpper(nextCharacter) : nextCharacter;
}
*resultPointer++ = character;
}
*resultPointer = '\\0';
return WTF::String(result);
}
} // namespace WebCore
EOF
open HEADER, ">CSSPropertyNames.h" || die "Could not open CSSPropertyNames.h for writing";
print HEADER << "EOF";
/* This file is automatically generated from CSSPropertyNames.in by makeprop, do not edit */
#ifndef CSSPropertyNames_h
#define CSSPropertyNames_h
#include <string.h>
#include <wtf/HashFunctions.h>
#include <wtf/HashTraits.h>
namespace WTF {
class AtomicString;
class String;
}
namespace WebCore {
enum CSSPropertyID {
CSSPropertyInvalid = 0,
#if ENABLE(CSS_VARIABLES)
CSSPropertyVariable = 1,
#endif
EOF
my $first = 1001;
my $i = 1001;
my $maxLen = 0;
foreach my $name (@names) {
my $id = $name;
$id =~ s/(^[^-])|-(.)/uc($1||$2)/ge;
print HEADER " CSSProperty" . $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 firstCSSProperty = $first;\n";
print HEADER "const int numCSSProperties = $num;\n";
print HEADER "const int lastCSSProperty = $last;\n";
print HEADER "const size_t maxCSSPropertyNameLength = $maxLen;\n";
print HEADER << "EOF";
const char* getPropertyName(CSSPropertyID);
const WTF::AtomicString& getPropertyNameAtomicString(CSSPropertyID id);
WTF::String getPropertyNameString(CSSPropertyID id);
WTF::String getJSPropertyName(CSSPropertyID);
inline CSSPropertyID convertToCSSPropertyID(int value)
{
ASSERT((value >= firstCSSProperty && value <= lastCSSProperty) || value == CSSPropertyInvalid);
return static_cast<CSSPropertyID>(value);
}
} // namespace WebCore
namespace WTF {
template<> struct DefaultHash<WebCore::CSSPropertyID> { typedef IntHash<unsigned> Hash; };
template<> struct HashTraits<WebCore::CSSPropertyID> : GenericHashTraits<WebCore::CSSPropertyID> {
static const bool emptyValueIsZero = true;
static const bool needsDestruction = false;
static void constructDeletedValue(WebCore::CSSPropertyID& slot) { slot = static_cast<WebCore::CSSPropertyID>(WebCore::lastCSSProperty + 1); }
static bool isDeletedValue(WebCore::CSSPropertyID value) { return value == (WebCore::lastCSSProperty + 1); }
};
}
#endif // CSSPropertyNames_h
EOF
close HEADER;
my $gperf = $ENV{GPERF} ? $ENV{GPERF} : "gperf";
system("\"$gperf\" --key-positions=\"*\" -D -n -s 2 CSSPropertyNames.gperf --output-file=CSSPropertyNames.cpp") == 0 || die "calling gperf failed: $?";
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