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103 lines
2.4 KiB
C++
103 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/Issue.h>
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namespace ripple {
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bool
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isConsistent (Issue const& ac)
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{
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return isXRP (ac.currency) == isXRP (ac.account);
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}
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std::string
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to_string (Issue const& ac)
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{
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if (isXRP (ac.account))
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return to_string (ac.currency);
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return to_string(ac.account) + "/" + to_string(ac.currency);
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}
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std::ostream&
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operator<< (std::ostream& os, Issue 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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/** Ordered comparison.
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The assets are ordered first by currency and then by account,
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if the currency is not XRP.
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*/
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int
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compare (Issue const& lhs, Issue const& rhs)
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{
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int diff = compare (lhs.currency, rhs.currency);
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if (diff != 0)
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return diff;
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if (isXRP (lhs.currency))
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return 0;
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return compare (lhs.account, rhs.account);
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}
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/** Equality comparison. */
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/** @{ */
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bool
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operator== (Issue const& lhs, Issue const& rhs)
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{
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return compare (lhs, rhs) == 0;
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}
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bool
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operator!= (Issue const& lhs, Issue const& rhs)
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{
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return ! (lhs == rhs);
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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< (Issue const& lhs, Issue const& rhs)
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{
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return compare (lhs, rhs) < 0;
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}
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bool
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operator> (Issue const& lhs, Issue 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>= (Issue const& lhs, Issue 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<= (Issue const& lhs, Issue 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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