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Implement more methods for the String class 

fixes #8169
This commit is contained in:
Gunnar Beutner 2015-01-14 09:08:31 +01:00
parent d0abc11c08
commit 9c36f40656
1 changed files with 85 additions and 0 deletions
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85
lib/base/string-script.cpp
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@ -22,6 +22,9 @@
#include "base/scriptfunction.hpp"
#include "base/scriptfunctionwrapper.hpp"
#include "base/scriptframe.hpp"
#include "base/exception.hpp"
#include <boost/algorithm/string.hpp>
#include <boost/foreach.hpp>
using namespace icinga;
@ -38,6 +41,82 @@ static String StringToString(void)
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]) >= 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)
result = self.Find(args[0], args[1]);
else
result = self.Find(args[0]);
if (result == String::NPos)
return -1;
else
return result;
}
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;
@ -46,6 +125,12 @@ Object::Ptr String::GetPrototype(void)
prototype = new Dictionary();
prototype->Set("len", new ScriptFunction(WrapScriptFunction(StringLen)));
prototype->Set("to_string", new ScriptFunction(WrapScriptFunction(StringToString)));
prototype->Set("substr", new ScriptFunction(WrapScriptFunction(StringSubstr)));
prototype->Set("upper", new ScriptFunction(WrapScriptFunction(StringUpper)));
prototype->Set("lower", new ScriptFunction(WrapScriptFunction(StringLower)));
prototype->Set("split", new ScriptFunction(WrapScriptFunction(StringSplit)));
prototype->Set("find", new ScriptFunction(WrapScriptFunction(StringFind)));
prototype->Set("replace", new ScriptFunction(WrapScriptFunction(StringReplace)));
}
return prototype;