icinga2/lib/base/string-script.cpp

150 lines
4.8 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "base/object.hpp"
#include "base/dictionary.hpp"
#include "base/function.hpp"
#include "base/functionwrapper.hpp"
#include "base/scriptframe.hpp"
#include "base/exception.hpp"
#include <boost/algorithm/string.hpp>
#include <boost/foreach.hpp>
using namespace icinga;
static int StringLen(void)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
return self.GetLength();
}
static String StringToString(void)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
return vframe->Self;
}
static String StringSubstr(const std::vector<Value>& args)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
if (args.empty())
BOOST_THROW_EXCEPTION(std::invalid_argument("Too few arguments"));
if (static_cast<double>(args[0]) < 0 || static_cast<double>(args[0]) >= self.GetLength())
BOOST_THROW_EXCEPTION(std::invalid_argument("String index is out of range"));
if (args.size() > 1)
return self.SubStr(args[0], args[1]);
else
return self.SubStr(args[0]);
}
static String StringUpper(void)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
return boost::to_upper_copy(self);
}
static String StringLower(void)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
return boost::to_lower_copy(self);
}
static Array::Ptr StringSplit(const String& delims)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
std::vector<String> tokens;
boost::algorithm::split(tokens, self, boost::is_any_of(delims));
Array::Ptr result = new Array();
BOOST_FOREACH(const String& token, tokens) {
result->Add(token);
}
return result;
}
static Value StringFind(const std::vector<Value>& args)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
if (args.empty())
BOOST_THROW_EXCEPTION(std::invalid_argument("Too few arguments"));
String::SizeType result;
if (args.size() > 1) {
if (static_cast<double>(args[1]) < 0)
BOOST_THROW_EXCEPTION(std::invalid_argument("String index is out of range"));
result = self.Find(args[0], args[1]);
} else
result = self.Find(args[0]);
if (result == String::NPos)
return -1;
else
return result;
}
static bool StringContains(const String& str)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
return self.Contains(str);
}
static Value StringReplace(const String& search, const String& replacement)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
boost::algorithm::replace_all(self, search, replacement);
return self;
}
Object::Ptr String::GetPrototype(void)
{
static Dictionary::Ptr prototype;
if (!prototype) {
prototype = new Dictionary();
prototype->Set("len", new Function(WrapFunction(StringLen), true));
prototype->Set("to_string", new Function(WrapFunction(StringToString), true));
prototype->Set("substr", new Function(WrapFunction(StringSubstr), true));
prototype->Set("upper", new Function(WrapFunction(StringUpper), true));
prototype->Set("lower", new Function(WrapFunction(StringLower), true));
prototype->Set("split", new Function(WrapFunction(StringSplit), true));
prototype->Set("find", new Function(WrapFunction(StringFind), true));
prototype->Set("contains", new Function(WrapFunction(StringContains), true));
prototype->Set("replace", new Function(WrapFunction(StringReplace), true));
}
return prototype;
}