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Diffstat (limited to 'base/range.hh')
| -rw-r--r-- | base/range.hh | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/base/range.hh b/base/range.hh deleted file mode 100644 index 4e3e0fd6e..000000000 --- a/base/range.hh +++ /dev/null @@ -1,355 +0,0 @@ -/* - * Copyright (c) 2002-2005 The Regents of The University of Michigan - * 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 the copyright holders 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. - */ - -#ifndef __BASE_RANGE_HH__ -#define __BASE_RANGE_HH__ - -#include <cassert> -#include <iostream> -#include <string> - -/** - * @param s range string - * EndExclusive Ranges are in the following format: - * @verbatim - * <range> := {<start_val>}:{<end>} - * <start> := <end_val> | +<delta> - * @endverbatim - */ -template <class T> -bool __parse_range(const std::string &s, T &start, T &end); - -template <class T> -struct Range -{ - T start; - T end; - - Range() { invalidate(); } - - template <class U> - Range(const std::pair<U, U> &r) - : start(r.first), end(r.second) - {} - - template <class U> - Range(const Range<U> &r) - : start(r.start), end(r.end) - {} - - Range(const std::string &s) - { - if (!__parse_range(s, start, end)) - invalidate(); - } - - template <class U> - const Range<T> &operator=(const Range<U> &r) - { - start = r.start; - end = r.end; - return *this; - } - - template <class U> - const Range<T> &operator=(const std::pair<U, U> &r) - { - start = r.first; - end = r.second; - return *this; - } - - const Range &operator=(const std::string &s) - { - if (!__parse_range(s, start, end)) - invalidate(); - return *this; - } - - void invalidate() { start = 1; end = 0; } - T size() const { return end - start + 1; } - bool valid() const { return start < end; } -}; - -template <class T> -inline std::ostream & -operator<<(std::ostream &o, const Range<T> &r) -{ - o << '[' << r.start << "," << r.end << ']'; - return o; -} - -template <class T> -inline Range<T> -RangeEx(T start, T end) -{ return std::make_pair(start, end - 1); } - -template <class T> -inline Range<T> -RangeIn(T start, T end) -{ return std::make_pair(start, end); } - -template <class T, class U> -inline Range<T> -RangeSize(T start, U size) -{ return std::make_pair(start, start + size - 1); } - -//////////////////////////////////////////////////////////////////////// -// -// Range to Range Comparisons -// - -/** - * @param range1 is a range. - * @param range2 is a range. - * @return if range1 and range2 are identical. - */ -template <class T, class U> -inline bool -operator==(const Range<T> &range1, const Range<U> &range2) -{ - return range1.start == range2.start && range1.end == range2.end; -} - -/** - * @param range1 is a range. - * @param range2 is a range. - * @return if range1 and range2 are not identical. - */ -template <class T, class U> -inline bool -operator!=(const Range<T> &range1, const Range<U> &range2) -{ - return range1.start != range2.start || range1.end != range2.end; -} - -/** - * @param range1 is a range. - * @param range2 is a range. - * @return if range1 is less than range2 and does not overlap range1. - */ -template <class T, class U> -inline bool -operator<(const Range<T> &range1, const Range<U> &range2) -{ - return range1.start < range2.start; -} - -/** - * @param range1 is a range. - * @param range2 is a range. - * @return if range1 is less than range2. range1 may overlap range2, - * but not extend beyond the end of range2. - */ -template <class T, class U> -inline bool -operator<=(const Range<T> &range1, const Range<U> &range2) -{ - return range1.start <= range2.start; -} - -/** - * @param range1 is a range. - * @param range2 is a range. - * @return if range1 is greater than range2 and does not overlap range2. - */ -template <class T, class U> -inline bool -operator>(const Range<T> &range1, const Range<U> &range2) -{ - return range1.start > range2.start; -} - -/** - * @param range1 is a range. - * @param range2 is a range. - * @return if range1 is greater than range2. range1 may overlap range2, - * but not extend beyond the beginning of range2. - */ -template <class T, class U> -inline bool -operator>=(const Range<T> &range1, const Range<U> &range2) -{ - return range1.start >= range2.start; -} - -//////////////////////////////////////////////////////////////////////// -// -// Position to Range Comparisons -// - -/** - * @param pos position compared to the range. - * @param range range compared against. - * @return indicates that position pos is within the range. - */ -template <class T, class U> -inline bool -operator==(const T &pos, const Range<U> &range) -{ - return pos >= range.start && pos <= range.end; -} - -/** - * @param pos position compared to the range. - * @param range range compared against. - * @return indicates that position pos is not within the range. - */ -template <class T, class U> -inline bool -operator!=(const T &pos, const Range<U> &range) -{ - return pos < range.start || pos > range.end; -} - -/** - * @param pos position compared to the range. - * @param range range compared against. - * @return indicates that position pos is below the range. - */ -template <class T, class U> -inline bool -operator<(const T &pos, const Range<U> &range) -{ - return pos < range.start; -} - -/** - * @param pos position compared to the range. - * @param range range compared against. - * @return indicates that position pos is below or in the range. - */ -template <class T, class U> -inline bool -operator<=(const T &pos, const Range<U> &range) -{ - return pos <= range.end; -} - -/** - * @param pos position compared to the range. - * @param range range compared against. - * @return indicates that position pos is above the range. - */ -template <class T, class U> -inline bool -operator>(const T &pos, const Range<U> &range) -{ - return pos > range.end; -} - -/** - * @param pos position compared to the range. - * @param range range compared against. - * @return indicates that position pos is above or in the range. - */ -template <class T, class U> -inline bool -operator>=(const T &pos, const Range<U> &range) -{ - return pos >= range.start; -} - -//////////////////////////////////////////////////////////////////////// -// -// Range to Position Comparisons (for symmetry) -// - -/** - * @param range range compared against. - * @param pos position compared to the range. - * @return indicates that position pos is within the range. - */ -template <class T, class U> -inline bool -operator==(const Range<T> &range, const U &pos) -{ - return pos >= range.start && pos <= range.end; -} - -/** - * @param range range compared against. - * @param pos position compared to the range. - * @return indicates that position pos is not within the range. - */ -template <class T, class U> -inline bool -operator!=(const Range<T> &range, const U &pos) -{ - return pos < range.start || pos > range.end; -} - -/** - * @param range range compared against. - * @param pos position compared to the range. - * @return indicates that position pos is above the range. - */ -template <class T, class U> -inline bool -operator<(const Range<T> &range, const U &pos) -{ - return range.end < pos; -} - -/** - * @param range range compared against. - * @param pos position compared to the range. - * @return indicates that position pos is above or in the range. - */ -template <class T, class U> -inline bool -operator<=(const Range<T> &range, const U &pos) -{ - return range.start <= pos; -} - -/** - * @param range range compared against. - * @param pos position compared to the range. - * 'range > pos' indicates that position pos is below the range. - */ -template <class T, class U> -inline bool -operator>(const Range<T> &range, const U &pos) -{ - return range.start > pos; -} - -/** - * @param range range compared against. - * @param pos position compared to the range. - * 'range >= pos' indicates that position pos is below or in the range. - */ -template <class T, class U> -inline bool -operator>=(const Range<T> &range, const U &pos) -{ - return range.end >= pos; -} - -#endif // __BASE_RANGE_HH__ |