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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef ROCKETCOREUNICODERANGE_H
#define ROCKETCOREUNICODERANGE_H
namespace Rocket {
namespace Core {
class UnicodeRange;
typedef std::vector< UnicodeRange > UnicodeRangeList;
/**
*/
class UnicodeRange
{
public:
UnicodeRange();
UnicodeRange(int min_codepoint, int max_codepoint);
/// Initialises the range from a unicode range in string form.
/// @param[in] unicode_range The string specified the unicode range.
/// @return True if the range is valid, false otherwise.
bool Initialise(const String& unicode_range);
/// Builds up a list of unicode ranges from a comma-separated list of unicode ranges in string form.
/// @param[out] list The returned list.
/// @param[in] unicode_range The comma-separated list of unicode ranges.
/// @return True if all values were parsed successfully and at least one value is returned in the list, false otherwise.
static bool BuildList(UnicodeRangeList& list, const String& unicode_range);
/// Returns true if this range is wholly contained within another range.
/// @param[in] rhs The range to check against.
bool IsContained(const UnicodeRange& rhs);
/// Returns true if this range is wholly contained within another range list.
/// @param[in] rhs The range list to check against.
bool IsContained(const UnicodeRangeList& rhs);
/// Returns true if this range is contained or contiguous with another range.
/// @param[in] rhs The range to check against.
/// @return True if the ranges are contiguous, false otherwise.
bool IsContiguous(const UnicodeRange& rhs);
/// Joins this range with another that it is contiguous with.
/// @param[in] rhs The range to join with this range.
/// @return The new, joined, range containing both the original ranges.
UnicodeRange Join(const UnicodeRange& rhs);
unsigned int min_codepoint;
unsigned int max_codepoint;
};
}
}
#endif
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