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/*
* Copyright (C) 2010 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.
*/
#ifndef HTMLParserIdioms_h
#define HTMLParserIdioms_h
#include <wtf/Forward.h>
#include <wtf/unicode/Unicode.h>
namespace WebCore {
// Space characters as defined by the HTML specification.
bool isHTMLSpace(UChar);
bool isNotHTMLSpace(UChar);
// Strip leading and trailing whitespace as defined by the HTML specification.
String stripLeadingAndTrailingHTMLSpaces(const String&);
// An implementation of the HTML specification's algorithm to convert a number to a string for number and range types.
String serializeForNumberType(double);
// Convert the specified string to a double. If the conversion fails, the return value is false.
// Leading or trailing illegal characters cause failure, as does passing an empty string.
// The double* parameter may be 0 to check if the string can be parsed without getting the result.
bool parseToDoubleForNumberType(const String&, double*);
// http://www.whatwg.org/specs/web-apps/current-work/#rules-for-parsing-integers
bool parseHTMLInteger(const String&, int&);
// Inline implementations of some of the functions declared above.
inline bool isHTMLSpace(UChar character)
{
// FIXME: Consider branch permutations as we did in isASCIISpace.
return character == '\t' || character == '\x0A' || character == '\x0C' || character == '\x0D' || character == ' ';
}
inline bool isNotHTMLSpace(UChar character)
{
return !isHTMLSpace(character);
}
}
#endif
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