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107 lines
2.4 KiB
C++
107 lines
2.4 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <ripple/protocol/Book.h>
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namespace ripple {
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bool
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isConsistent (Book const& book)
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{
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return isConsistent(book.in) && isConsistent (book.out)
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&& book.in != book.out;
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}
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std::string
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to_string (Book const& book)
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{
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return to_string(book.in) + "->" + to_string(book.out);
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}
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std::ostream&
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operator<< (std::ostream& os, Book const& x)
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{
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os << to_string (x);
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return os;
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}
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Book
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reversed (Book const& book)
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{
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return Book (book.out, book.in);
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}
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/** Ordered comparison. */
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int
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compare (Book const& lhs, Book const& rhs)
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{
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int const diff (compare (lhs.in, rhs.in));
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if (diff != 0)
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return diff;
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return compare (lhs.out, rhs.out);
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}
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/** Equality comparison. */
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/** @{ */
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bool
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operator== (Book const& lhs, Book const& rhs)
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{
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return (lhs.in == rhs.in) &&
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(lhs.out == rhs.out);
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}
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bool
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operator!= (Book const& lhs, Book const& rhs)
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{
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return (lhs.in != rhs.in) ||
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(lhs.out != rhs.out);
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}
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/** @} */
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/** Strict weak ordering. */
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/** @{ */
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bool
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operator< (Book const& lhs,Book const& rhs)
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{
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int const diff (compare (lhs.in, rhs.in));
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if (diff != 0)
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return diff < 0;
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return lhs.out < rhs.out;
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}
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bool
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operator> (Book const& lhs, Book const& rhs)
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{
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return rhs < lhs;
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}
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bool
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operator>= (Book const& lhs, Book const& rhs)
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{
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return ! (lhs < rhs);
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}
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bool
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operator<= (Book const& lhs, Book const& rhs)
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{
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return ! (rhs < lhs);
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}
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} // ripple
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