icinga2/lib/base/string-script.cpp

139 lines
3.7 KiB
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#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>
using namespace icinga;
static int StringLen()
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
return self.GetLength();
}
static String StringToString()
{
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()
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
return boost::to_upper_copy(self);
}
static String StringLower()
{
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 = self.Split(delims.CStr());
return Array::FromVector(tokens);
}
static int 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;
}
static String StringReverse()
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
return self.Reverse();
}
static String StringTrim()
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
String self = vframe->Self;
return self.Trim();
}
Object::Ptr String::GetPrototype()
{
static Dictionary::Ptr prototype = new Dictionary({
{ "len", new Function("String#len", StringLen, {}, true) },
{ "to_string", new Function("String#to_string", StringToString, {}, true) },
{ "substr", new Function("String#substr", StringSubstr, { "start", "len" }, true) },
{ "upper", new Function("String#upper", StringUpper, {}, true) },
{ "lower", new Function("String#lower", StringLower, {}, true) },
{ "split", new Function("String#split", StringSplit, { "delims" }, true) },
{ "find", new Function("String#find", StringFind, { "str", "start" }, true) },
{ "contains", new Function("String#contains", StringContains, { "str" }, true) },
{ "replace", new Function("String#replace", StringReplace, { "search", "replacement" }, true) },
{ "reverse", new Function("String#reverse", StringReverse, {}, true) },
{ "trim", new Function("String#trim", StringTrim, {}, true) }
});
return prototype;
}