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55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, version 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#pragma once
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#include <optional>
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#include <string>
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#include "node.hh"
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#pragma GCC visibility push(default)
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#include "ns.hh"
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#pragma GCC visibility pop
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namespace xml{
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/* Entity Capabilities */
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class xep0115 : virtual public node {
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public:
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struct caps {
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caps(::xml::node& node) {
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if (auto attr = node.get_attr("ext"))
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ext = *attr;
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if (auto attr = node.get_attr("hash"))
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hashalgo = *attr;
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if (auto attr = node.get_attr("node"))
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this->node = *attr;
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if (auto attr = node.get_attr("ver"))
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verification = *attr;
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};
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std::optional<std::string> ext;
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std::string hashalgo;
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std::string node;
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std::string verification;
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};
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private:
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std::optional<std::optional<caps>> _capabilities;
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public:
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std::optional<caps> capabilities() {
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if (!_capabilities)
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{
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auto child = get_children<jabber_org::protocol::caps>("c");
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if (child.size() > 0)
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_capabilities = caps(child.front().get());
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else
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_capabilities.emplace(std::nullopt);
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}
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return *_capabilities;
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}
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};
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}
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