2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2015-2016 Attila Molnar <attilamolnar@hush.com>
6 * This file is part of InspIRCd. InspIRCd is free software: you can
7 * redistribute it and/or modify it under the terms of the GNU General Public
8 * License as published by the Free Software Foundation, version 2.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 class WriteNumericSink;
26 template <char Sep, bool SendEmpty, typename Sink>
29 template <char Sep = ',', bool SendEmpty = false>
32 template <unsigned int NumStaticParams, bool SendEmpty, typename Sink>
33 class GenericParamBuilder;
35 template <unsigned int NumStaticParams, bool SendEmpty = false>
39 class Numeric::WriteNumericSink
41 LocalUser* const user;
44 WriteNumericSink(LocalUser* u)
49 void operator()(Numeric& numeric) const
51 user->WriteNumeric(numeric);
55 template <char Sep, bool SendEmpty, typename Sink>
56 class Numeric::GenericBuilder
60 const std::string::size_type max;
62 bool HasRoom(const std::string::size_type additional) const
64 return (numeric.GetParams().back().size() + additional <= max);
68 GenericBuilder(Sink s, unsigned int num, bool addparam = true, size_t additionalsize = 0)
71 , max(ServerInstance->Config->Limits.MaxLine - ServerInstance->Config->ServerName.size() - additionalsize - 10)
74 numeric.push(std::string());
77 Numeric& GetNumeric() { return numeric; }
79 void Add(const std::string& entry)
81 if (!HasRoom(entry.size()))
83 numeric.GetParams().back().append(entry).push_back(Sep);
86 void Add(const std::string& entry1, const std::string& entry2)
88 if (!HasRoom(entry1.size() + entry2.size()))
90 numeric.GetParams().back().append(entry1).append(entry2).push_back(Sep);
95 std::string& data = numeric.GetParams().back();
103 data.erase(data.size()-1);
110 bool IsEmpty() const { return (numeric.GetParams().back().empty()); }
113 template <char Sep, bool SendEmpty>
114 class Numeric::Builder : public GenericBuilder<Sep, SendEmpty, WriteNumericSink>
117 Builder(LocalUser* user, unsigned int num, bool addparam = true, size_t additionalsize = 0)
118 : ::Numeric::GenericBuilder<Sep, SendEmpty, WriteNumericSink>(WriteNumericSink(user), num, addparam, additionalsize + user->nick.size())
123 template <unsigned int NumStaticParams, bool SendEmpty, typename Sink>
124 class Numeric::GenericParamBuilder
128 std::string::size_type currlen;
129 std::string::size_type max;
131 bool HasRoom(const std::string::size_type additional) const
133 return (currlen + additional <= max);
137 GenericParamBuilder(Sink s, unsigned int num, size_t additionalsize)
141 , max(ServerInstance->Config->Limits.MaxLine - ServerInstance->Config->ServerName.size() - additionalsize - 10)
145 void AddStatic(const std::string& entry)
147 max -= (entry.length() + 1);
148 numeric.GetParams().push_back(entry);
151 void Add(const std::string& entry)
153 if (!HasRoom(entry.size()))
156 currlen += entry.size() + 1;
157 numeric.GetParams().push_back(entry);
162 if ((!SendEmpty) && (IsEmpty()))
167 numeric.GetParams().erase(numeric.GetParams().begin() + NumStaticParams, numeric.GetParams().end());
170 bool IsEmpty() const { return (numeric.GetParams().size() <= NumStaticParams); }
173 template <unsigned int NumStaticParams, bool SendEmpty>
174 class Numeric::ParamBuilder : public GenericParamBuilder<NumStaticParams, SendEmpty, WriteNumericSink>
177 ParamBuilder(LocalUser* user, unsigned int num)
178 : ::Numeric::GenericParamBuilder<NumStaticParams, SendEmpty, WriteNumericSink>(WriteNumericSink(user), num, user->nick.size())