public TextLib()
{
RegisterMethod("split", 2,
args => FObject.NewArray(new FArray(
args[0].IsString().Split(args[1].IsString())
.Select(FObject.NewString).ToArray())));
RegisterMethod("replace", 3, GetMethod((x, y, z) => x.Replace(y, z)));
RegisterMethod("join", 2, (x) =>
{
var arr = x[0];
if (arr.Type != FObjectType.Array)
{
throw new Exception();
}
var glue = x[1].IsString();
return(FObject.NewString(string.Join(glue, arr.Array().Get().Select(y => y.ToString()))));
});
}
private static void LoadArrayFunctions()
{
functions["insert"] = new FBuiltin
{
// Arity count is not including caller object (array in this case)
Arity = 2, CallObjectTypes = { FObjectType.Array },
Invokable = (fi, ins) =>
{
ins[0].Array().Insert(ins[1].I64, ins[2]);
return(ins[0]);
},
ArgumentTypes = { FObjectType.Array, FObjectType.Int, FObjectType.Any }
};
functions["count"] = new FBuiltin
{
Arity = 0, CallObjectTypes = { FObjectType.Array, FObjectType.String },
Invokable = (fi, ins) => FObject.NewI64(ins[0].Array().Length),
};
functions["remove"] = new FBuiltin
{
Arity = 1, CallObjectTypes = { FObjectType.Array },
Invokable = (fi, ins) =>
{
ins[0].Array().Remove(ins[1].I64);
return(ins[0]);
},
ArgumentTypes = { FObjectType.Int }
};
functions["mutate"] = new FBuiltin
{
Arity = 1, CallObjectTypes = { FObjectType.Array },
Invokable = (fi, ins) =>
{
var oArr = ins[0].Array();
var func = ins[1].Function();
var nArr = new FArray(oArr.Length);
for (int i = 0; i < oArr.Length; i++)
{
nArr.Push(fi.Invoke(func, new[] { oArr.Get(i) }));
}
return(FObject.NewArray(nArr));
},
ArgumentTypes = { FObjectType.Function }
};
functions["filter"] = new FBuiltin
{
Arity = 1,
CallObjectTypes = { FObjectType.Array },
Invokable = (fi, ins) =>
{
var oArr = ins[0].Array();
var func = ins[1].Function();
var nArr = new FArray(oArr.Length);
for (int i = 0; i < oArr.Length; i++)
{
if (fi.Invoke(func, new[] { oArr.Get(i) }).True())
{
nArr.Push(oArr.Get(i));
}
}
return(FObject.NewArray(nArr));
},
ArgumentTypes = { FObjectType.Function }
};
functions["foreach"] = new FBuiltin
{
Arity = 1,
CallObjectTypes = { FObjectType.Array },
Invokable = (fi, ins) =>
{
var oArr = ins[0].Array();
var func = ins[1].Function();
for (int i = 0; i < oArr.Length; i++)
{
fi.Invoke(func, new[] { oArr.Get(i) });
}
return(FObject.Nil);
},
ArgumentTypes = { FObjectType.Function }
};
}