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1271.2.2
by Tim Penhey
Add in a rot 13 function. |
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2010 Tim Penhey <tim@penhey.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h" |
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#include <drizzled/plugin/function.h> |
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#include <drizzled/item/func.h> |
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#include <drizzled/function/str/strfunc.h> |
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#include <string> |
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1271.2.5
by Tim Penhey
Make it actually rot-13. |
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#include <sstream> |
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1271.2.6
by Tim Penhey
OMG it works \o/ |
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#include <iostream> |
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1271.2.2
by Tim Penhey
Add in a rot 13 function. |
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1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
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using namespace drizzled; |
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1271.2.15
by Tim Penhey
More standard indentation. |
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namespace rot13 |
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{
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char const* name= "rot13"; |
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namespace
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{
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std::string rot13(std::string const& s) |
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{
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std::ostringstream sout; |
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for (std::size_t i= 0, max= s.length(); i < max; ++i) |
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{
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const char& c= s[i]; |
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if ((c >= 'a' && c <= 'm') || (c >= 'A' && c <= 'M')) |
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sout << char(c + 13); |
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else if ((c >= 'n' && c <= 'z') || (c >= 'N' && c <= 'Z')) |
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sout << char(c - 13); |
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else
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sout << c; |
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}
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return sout.str(); |
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}
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} // anon namespace |
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class Function : public Item_str_func |
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{
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public: |
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Function() : Item_str_func() {} |
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const char *func_name() const { return rot13::name; } |
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String *val_str(String *s) |
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{
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String val; |
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String *other= args[0]->val_str(&val); |
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std::string to_rot= String_to_std_string(*other); |
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return set_String_from_std_string(s, rot13(to_rot)); |
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};
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void fix_length_and_dec() |
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{
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max_length= args[0]->max_length; |
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}
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bool check_argument_count(int n) |
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{
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return (n == 1); |
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}
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};
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||
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1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
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using plugin::Create_function; |
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1324.2.2
by Monty Taylor
Use the plugin::Context everywhere. |
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using plugin::Context; |
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1271.2.15
by Tim Penhey
More standard indentation. |
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typedef Create_function<Function> PluginFunction; |
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PluginFunction *rot13_func= NULL; |
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1324.2.2
by Monty Taylor
Use the plugin::Context everywhere. |
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static int init(Context &context) |
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1271.2.15
by Tim Penhey
More standard indentation. |
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{
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rot13_func= new PluginFunction(rot13::name); |
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1324.2.2
by Monty Taylor
Use the plugin::Context everywhere. |
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context.add(rot13_func); |
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1271.2.15
by Tim Penhey
More standard indentation. |
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return 0; |
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}
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1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
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} /* namespace rot13 */ |
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1271.2.9
by Tim Penhey
Namespaces are a honking good idea, lets do more of those. |
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1324.2.3
by Monty Taylor
Remove plugin deinit. |
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DRIZZLE_PLUGIN(rot13::init, NULL); |