icinga2/lib/base/array-script.cpp

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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "base/array.hpp"
#include "base/function.hpp"
#include "base/functionwrapper.hpp"
#include "base/scriptframe.hpp"
#include "base/objectlock.hpp"
#include "base/exception.hpp"
using namespace icinga;
static double ArrayLen()
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
return self->GetLength();
}
static void ArraySet(int index, const Value& value)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
self->Set(index, value);
}
static Value ArrayGet(int index)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
return self->Get(index);
}
static void ArrayAdd(const Value& value)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
self->Add(value);
}
static void ArrayRemove(int index)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
self->Remove(index);
}
static bool ArrayContains(const Value& value)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
return self->Contains(value);
}
static void ArrayClear()
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
self->Clear();
}
static bool ArraySortCmp(const Function::Ptr& cmp, const Value& a, const Value& b)
{
return cmp->Invoke({ a, b });
}
static Array::Ptr ArraySort(const std::vector<Value>& args)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
Array::Ptr arr = self->ShallowClone();
if (args.empty()) {
ObjectLock olock(arr);
std::sort(arr->Begin(), arr->End());
} else {
Function::Ptr function = args[0];
if (vframe->Sandboxed && !function->IsSideEffectFree())
BOOST_THROW_EXCEPTION(ScriptError("Sort function must be side-effect free."));
ObjectLock olock(arr);
std::sort(arr->Begin(), arr->End(), std::bind(ArraySortCmp, args[0], _1, _2));
}
return arr;
}
static Array::Ptr ArrayShallowClone()
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
return self->ShallowClone();
}
static Value ArrayJoin(const Value& separator)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
Value result;
bool first = true;
ObjectLock olock(self);
for (const Value& item : self) {
if (first) {
first = false;
} else {
result = result + separator;
}
result = result + item;
}
return result;
}
static Array::Ptr ArrayReverse()
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
return self->Reverse();
}
static Array::Ptr ArrayMap(const Function::Ptr& function)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
if (vframe->Sandboxed && !function->IsSideEffectFree())
BOOST_THROW_EXCEPTION(ScriptError("Map function must be side-effect free."));
ArrayData result;
ObjectLock olock(self);
for (const Value& item : self) {
result.push_back(function->Invoke({ item }));
}
return new Array(std::move(result));
}
static Value ArrayReduce(const Function::Ptr& function)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
if (vframe->Sandboxed && !function->IsSideEffectFree())
BOOST_THROW_EXCEPTION(ScriptError("Reduce function must be side-effect free."));
if (self->GetLength() == 0)
return Empty;
Value result = self->Get(0);
ObjectLock olock(self);
for (size_t i = 1; i < self->GetLength(); i++) {
result = function->Invoke({ result, self->Get(i) });
}
return result;
}
static Array::Ptr ArrayFilter(const Function::Ptr& function)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
if (vframe->Sandboxed && !function->IsSideEffectFree())
BOOST_THROW_EXCEPTION(ScriptError("Filter function must be side-effect free."));
ArrayData result;
ObjectLock olock(self);
for (const Value& item : self) {
if (function->Invoke({ item }))
result.push_back(item);
}
return new Array(std::move(result));
}
static bool ArrayAny(const Function::Ptr& function)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
if (vframe->Sandboxed && !function->IsSideEffectFree())
BOOST_THROW_EXCEPTION(ScriptError("Filter function must be side-effect free."));
ObjectLock olock(self);
for (const Value& item : self) {
if (function->Invoke({ item }))
return true;
}
return false;
}
static bool ArrayAll(const Function::Ptr& function)
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
if (vframe->Sandboxed && !function->IsSideEffectFree())
BOOST_THROW_EXCEPTION(ScriptError("Filter function must be side-effect free."));
ObjectLock olock(self);
for (const Value& item : self) {
if (!function->Invoke({ item }))
return false;
}
return true;
}
static Array::Ptr ArrayUnique()
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
REQUIRE_NOT_NULL(self);
return self->Unique();
}
static void ArrayFreeze()
{
ScriptFrame *vframe = ScriptFrame::GetCurrentFrame();
Array::Ptr self = static_cast<Array::Ptr>(vframe->Self);
self->Freeze();
}
Object::Ptr Array::GetPrototype()
{
static Dictionary::Ptr prototype = new Dictionary({
{ "len", new Function("Array#len", ArrayLen, {}, true) },
{ "set", new Function("Array#set", ArraySet, { "index", "value" }) },
{ "get", new Function("Array#get", ArrayGet, { "index" }) },
{ "add", new Function("Array#add", ArrayAdd, { "value" }) },
{ "remove", new Function("Array#remove", ArrayRemove, { "index" }) },
{ "contains", new Function("Array#contains", ArrayContains, { "value" }, true) },
{ "clear", new Function("Array#clear", ArrayClear) },
{ "sort", new Function("Array#sort", ArraySort, { "less_cmp" }, true) },
{ "shallow_clone", new Function("Array#shallow_clone", ArrayShallowClone, {}, true) },
{ "join", new Function("Array#join", ArrayJoin, { "separator" }, true) },
{ "reverse", new Function("Array#reverse", ArrayReverse, {}, true) },
{ "map", new Function("Array#map", ArrayMap, { "func" }, true) },
{ "reduce", new Function("Array#reduce", ArrayReduce, { "reduce" }, true) },
{ "filter", new Function("Array#filter", ArrayFilter, { "func" }, true) },
{ "any", new Function("Array#any", ArrayAny, { "func" }, true) },
{ "all", new Function("Array#all", ArrayAll, { "func" }, true) },
{ "unique", new Function("Array#unique", ArrayUnique, {}, true) },
{ "freeze", new Function("Array#freeze", ArrayFreeze, {}) }
});
return prototype;
}