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module.cc
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// Copyright (c) 2024 DaisyDogs07
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
// associated documentation files (the "Software"), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify, merge, publish, distribute,
// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
// NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <stdint.h>
#if !(defined(__linux__) || defined(_WIN32))
#error FileSystem is only available on Linux and Windows
#elif INTPTR_MAX == INT32_MAX
#error FileSystem is not available on 32-bit platforms
#else
#include "FileSystem.h"
#include "node.h"
#include "node_buffer.h"
#include <type_traits>
#ifdef __linux__
#define FS_LONG long
#else
#include <Windows.h>
#define FS_LONG long long
#endif
using namespace node;
using namespace v8;
#define IsBuffer(x) Buffer::HasInstance(x)
#define IsNumberLike(x) \
(x->IsNumber() || x->IsBigInt())
#define IsDataLike(x) \
(x->IsString() || Buffer::HasInstance(x))
#define THROWIFNOTFS(self, method) \
do { \
if (self.IsEmpty()) { \
isolate->ThrowException( \
Exception::TypeError( \
String::NewFromUtf8Literal( \
isolate, \
"FileSystem.prototype." method " requires that 'this' be a FileSystem", \
NewStringType::kInternalized \
) \
) \
); \
return; \
} \
} while (0)
#define THROWERR(code) \
do { \
int errnum = -(code); \
Local<Value> err = Exception::Error( \
String::NewFromUtf8( \
isolate, \
GetErrorString(errnum), \
NewStringType::kInternalized \
).ToLocalChecked() \
); \
err.As<Object>()->Set( \
isolate->GetCurrentContext(), \
String::NewFromUtf8Literal(isolate, "errno", NewStringType::kInternalized), \
Integer::New(isolate, errnum) \
).ToChecked(); \
isolate->ThrowException(err); \
return; \
} while (0)
#define THROWIFERR(res) \
do { \
auto tmp = (res); \
if (tmp < 0) \
THROWERR(tmp); \
} while (0)
#define ASSERT(expr) { \
if (!(expr)) { \
isolate->ThrowException( \
Exception::Error( \
String::NewFromUtf8Literal( \
isolate, \
"Assertion \"" #expr "\" failed", \
NewStringType::kInternalized \
) \
) \
); \
return; \
} \
}
template<typename T>
bool Alloc(T** ptr, size_t length = 1) {
T* newPtr = (T*)malloc(sizeof(T) * length);
if (!newPtr)
return false;
*ptr = newPtr;
return true;
}
template<typename T>
void Delete(T* ptr) {
ptr->~T();
free((void*)ptr);
}
template<typename R, typename T1, typename T2>
R Min(T1 a, T2 b) {
if (a < b)
return a;
return b;
}
template<typename T>
T Val(Local<Value> x) {
if (x->IsBigInt()) {
if constexpr (std::is_signed<T>::value)
return x.As<BigInt>()->Int64Value();
return x.As<BigInt>()->Uint64Value();
}
return x.As<Number>()->Value();
}
const char* GetErrorString(int err) {
switch (err) {
case FS_EPERM:
return "Operation not permitted";
case FS_ENOENT:
return "No such file or directory";
case FS_EBADF:
return "Bad file descriptor";
case FS_ENOMEM:
return "Cannot allocate memory";
case FS_EACCES:
return "Permission denied";
case FS_EBUSY:
return "Device or resource busy";
case FS_EEXIST:
return "File exists";
case FS_ENODEV:
return "No such device";
case FS_ENOTDIR:
return "Not a directory";
case FS_EISDIR:
return "Is a directory";
case FS_EINVAL:
return "Invalid argument";
case FS_EFBIG:
return "File too large";
case FS_ERANGE:
return "Numerical result out of range";
case FS_EOPNOTSUPP:
return "Operation not supported";
case FS_ELOOP:
return "Too many levels of symbolic links";
case FS_ENAMETOOLONG:
return "File name too long";
case FS_ENOTEMPTY:
return "Directory not empty";
case FS_ENODATA:
return "No data available";
case FS_EOVERFLOW:
return "Value too large for defined data type";
default:
return "Unknown Error";
}
}
Persistent<FunctionTemplate> FSConstructorTmpl;
Persistent<ObjectTemplate> FSInstanceTmpl;
void FileSystemCleanup(void* data, size_t, void*) {
Delete(reinterpret_cast<FileSystem*>(data));
}
void FileSystemConstructor(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
if (!args.IsConstructCall()) {
isolate->ThrowException(
Exception::TypeError(
String::NewFromUtf8Literal(
isolate,
"Constructor FileSystem requires 'new'",
NewStringType::kInternalized
)
)
);
return;
}
FileSystem* fs = FileSystem::New();
if (!fs) {
isolate->LowMemoryNotification();
fs = FileSystem::New();
if (!fs)
THROWERR(-FS_ENOMEM);
}
std::unique_ptr<BackingStore> ab = ArrayBuffer::NewBackingStore(
fs,
sizeof(FileSystem),
FileSystemCleanup,
NULL
);
Local<ArrayBuffer> abuf = ArrayBuffer::New(isolate, std::move(ab));
args.This()->SetInternalField(0, External::New(isolate, fs));
args.This()->SetInternalField(1, abuf);
args.This()->SetIntegrityLevel(isolate->GetCurrentContext(), IntegrityLevel::kFrozen);
}
void FileSystemFAccessAt2(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "faccessat2");
ASSERT(args.Length() == 4);
ASSERT(IsNumberLike(args[0]));
ASSERT(args[1]->IsString());
ASSERT(IsNumberLike(args[2]));
ASSERT(IsNumberLike(args[3]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
THROWIFERR(
fs->FAccessAt2(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2]),
Val<int>(args[3])
)
);
}
void FileSystemFAccessAt(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "faccessat");
ASSERT(args.Length() == 3);
ASSERT(IsNumberLike(args[0]));
ASSERT(args[1]->IsString());
ASSERT(IsNumberLike(args[2]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
THROWIFERR(
fs->FAccessAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2])
)
);
}
void FileSystemAccess(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "access");
ASSERT(args.Length() == 2);
ASSERT(args[0]->IsString());
ASSERT(IsNumberLike(args[1]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
THROWIFERR(
fs->Access(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<int>(args[1])
)
);
}
void FileSystemOpenAt(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "openat");
ASSERT(args.Length() == 4);
ASSERT(IsNumberLike(args[0]));
ASSERT(args[1]->IsString());
ASSERT(IsNumberLike(args[2]));
ASSERT(IsNumberLike(args[3]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->OpenAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2]),
Val<fs_mode_t>(args[3])
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->OpenAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2]),
Val<fs_mode_t>(args[3])
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
args.GetReturnValue().Set(
Integer::New(
isolate,
res
)
);
}
void FileSystemOpen(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "open");
ASSERT(args.Length() == 2 || args.Length() == 3);
ASSERT(args[0]->IsString());
ASSERT(IsNumberLike(args[1]));
if (args.Length() == 3)
ASSERT(IsNumberLike(args[2]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->Open(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<int>(args[1]),
args.Length() == 3 ? Val<fs_mode_t>(args[2]) : 0
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->Open(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<int>(args[1]),
args.Length() == 3 ? Val<fs_mode_t>(args[2]) : 0
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
args.GetReturnValue().Set(
Integer::New(
isolate,
res
)
);
}
void FileSystemCreat(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "creat");
ASSERT(args.Length() == 2);
ASSERT(args[0]->IsString());
ASSERT(IsNumberLike(args[1]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->Creat(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<fs_mode_t>(args[1])
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->Creat(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<fs_mode_t>(args[1])
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
args.GetReturnValue().Set(
Integer::New(
isolate,
res
)
);
}
void FileSystemClose(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "close");
ASSERT(args.Length() == 1);
ASSERT(IsNumberLike(args[0]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
THROWIFERR(
fs->Close(Val<unsigned int>(args[0]))
);
}
void FileSystemCloseRange(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "close_range");
ASSERT(args.Length() == 2);
ASSERT(IsNumberLike(args[0]));
ASSERT(IsNumberLike(args[1]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
THROWIFERR(
fs->CloseRange(
Val<unsigned int>(args[0]),
Val<unsigned int>(args[1])
)
);
}
void FileSystemMkNodAt(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "mknodat");
ASSERT(args.Length() == 3);
ASSERT(IsNumberLike(args[0]));
ASSERT(args[1]->IsString());
ASSERT(IsNumberLike(args[2]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->MkNodAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<fs_mode_t>(args[2])
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->MkNodAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<fs_mode_t>(args[2])
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemMkNod(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "mknod");
ASSERT(args.Length() == 2);
ASSERT(args[0]->IsString());
ASSERT(IsNumberLike(args[1]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->MkNod(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<fs_mode_t>(args[1])
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->MkNod(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<fs_mode_t>(args[1])
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemMkDirAt(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "mkdirat");
ASSERT(args.Length() == 3);
ASSERT(IsNumberLike(args[0]));
ASSERT(args[1]->IsString());
ASSERT(IsNumberLike(args[2]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->MkDirAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<fs_mode_t>(args[2])
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->MkDirAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<fs_mode_t>(args[2])
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemMkDir(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "mkdir");
ASSERT(args.Length() == 2);
ASSERT(args[0]->IsString());
ASSERT(IsNumberLike(args[1]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->MkDir(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<fs_mode_t>(args[1])
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->MkDir(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<fs_mode_t>(args[1])
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemSymLinkAt(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "symlinkat");
ASSERT(args.Length() == 3);
ASSERT(args[0]->IsString());
ASSERT(IsNumberLike(args[1]));
ASSERT(args[2]->IsString());
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->SymLinkAt(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<int>(args[1]),
*String::Utf8Value(isolate, args[2].As<String>())
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->SymLinkAt(
*String::Utf8Value(isolate, args[0].As<String>()),
Val<int>(args[1]),
*String::Utf8Value(isolate, args[2].As<String>())
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemSymLink(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "symlink");
ASSERT(args.Length() == 2);
ASSERT(args[0]->IsString());
ASSERT(args[1]->IsString());
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->SymLink(
*String::Utf8Value(isolate, args[0].As<String>()),
*String::Utf8Value(isolate, args[1].As<String>())
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemReadLinkAt(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "readlinkat");
ASSERT(args.Length() == 2);
ASSERT(IsNumberLike(args[0]));
ASSERT(args[1]->IsString());
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
char* buf;
if (!Alloc(&buf, FS_PATH_MAX)) {
isolate->LowMemoryNotification();
if (!Alloc(&buf, FS_PATH_MAX))
THROWERR(-FS_ENOMEM);
}
int res;
THROWIFERR(
res = fs->ReadLinkAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
buf,
FS_PATH_MAX
)
);
buf = reinterpret_cast<char*>(
realloc(buf, res)
);
args.GetReturnValue().Set(
String::NewFromUtf8(isolate, buf, NewStringType::kInternalized, res).ToLocalChecked()
);
Delete(buf);
}
void FileSystemReadLink(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "readlink");
ASSERT(args.Length() == 1);
ASSERT(args[0]->IsString());
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
char* buf;
if (!Alloc(&buf, FS_PATH_MAX)) {
isolate->LowMemoryNotification();
if (!Alloc(&buf, FS_PATH_MAX))
THROWERR(-FS_ENOMEM);
}
int res;
THROWIFERR(
res = fs->ReadLink(
*String::Utf8Value(isolate, args[0].As<String>()),
buf,
FS_PATH_MAX
)
);
buf = reinterpret_cast<char*>(
realloc(buf, res)
);
args.GetReturnValue().Set(
String::NewFromUtf8(isolate, buf, NewStringType::kInternalized, res).ToLocalChecked()
);
Delete(buf);
}
void FileSystemGetDents(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "getdents");
ASSERT(args.Length() == 1 || args.Length() == 2);
ASSERT(IsNumberLike(args[0]));
if (args.Length() == 2)
ASSERT(IsNumberLike(args[1]));
Local<Context> context = isolate->GetCurrentContext();
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
fs_size_t count = -1;
if (args.Length() == 2)
count = Val<fs_size_t>(args[1]);
Local<Array> dentArr = Array::New(isolate);
char* buf;
if (!Alloc(&buf, 1024)) {
isolate->LowMemoryNotification();
if (!Alloc(&buf, 1024))
THROWERR(-FS_ENOMEM);
}
unsigned int fdNum = Val<unsigned int>(args[0]);
fs_off_t off = fs->LSeek(fdNum, 0, SEEK_CUR);
fs_size_t i = 0;
while (i < count) {
int nread;
THROWIFERR(
nread = fs->GetDents(
fdNum,
(struct fs_dirent*)buf,
1024
)
);
if (nread == 0)
break;
for (int j = 0; i < count && j != nread; ++i) {
struct fs_dirent* dent = (struct fs_dirent*)(buf + j);
Local<Object> dentObj = Object::New(isolate);
dentObj->Set(
context,
String::NewFromUtf8Literal(isolate, "d_ino", NewStringType::kInternalized),
BigInt::NewFromUnsigned(isolate, dent->d_ino)
).Check();
dentObj->Set(
context,
String::NewFromUtf8Literal(isolate, "d_off", NewStringType::kInternalized),
BigInt::NewFromUnsigned(isolate, dent->d_off)
).Check();
dentObj->Set(
context,
String::NewFromUtf8Literal(isolate, "d_name", NewStringType::kInternalized),
String::NewFromUtf8(isolate, dent->d_name).ToLocalChecked()
).Check();
dentObj->Set(
context,
String::NewFromUtf8Literal(isolate, "d_type", NewStringType::kInternalized),
Integer::New(isolate, (buf + j)[dent->d_reclen - 1])
).Check();
dentObj->SetIntegrityLevel(context, IntegrityLevel::kFrozen);
dentArr->Set(
context,
dentArr->Length(),
dentObj
).Check();
j += dent->d_reclen;
}
}
dentArr->SetIntegrityLevel(context, IntegrityLevel::kFrozen);
Delete(buf);
fs->LSeek(fdNum, off, SEEK_SET);
args.GetReturnValue().Set(dentArr);
}
void FileSystemLinkAt(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "linkat");
ASSERT(args.Length() == 5);
ASSERT(IsNumberLike(args[0]));
ASSERT(args[1]->IsString());
ASSERT(IsNumberLike(args[2]));
ASSERT(args[3]->IsString());
ASSERT(IsNumberLike(args[4]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->LinkAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2]),
*String::Utf8Value(isolate, args[3].As<String>()),
Val<int>(args[4])
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->LinkAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2]),
*String::Utf8Value(isolate, args[3].As<String>()),
Val<int>(args[4])
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemLink(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "link");
ASSERT(args.Length() == 2);
ASSERT(args[0]->IsString());
ASSERT(args[1]->IsString());
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->Link(
*String::Utf8Value(isolate, args[0].As<String>()),
*String::Utf8Value(isolate, args[1].As<String>())
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->Link(
*String::Utf8Value(isolate, args[0].As<String>()),
*String::Utf8Value(isolate, args[1].As<String>())
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemUnlinkAt(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "unlinkat");
ASSERT(args.Length() == 3);
ASSERT(IsNumberLike(args[0]));
ASSERT(args[1]->IsString());
ASSERT(IsNumberLike(args[2]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->UnlinkAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2])
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->UnlinkAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2])
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemUnlink(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "unlink");
ASSERT(args.Length() == 1);
ASSERT(args[0]->IsString());
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->Unlink(
*String::Utf8Value(isolate, args[0].As<String>())
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->Unlink(
*String::Utf8Value(isolate, args[0].As<String>())
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemRmDir(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "rmdir");
ASSERT(args.Length() == 1);
ASSERT(args[0]->IsString());
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->RmDir(
*String::Utf8Value(isolate, args[0].As<String>())
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->RmDir(
*String::Utf8Value(isolate, args[0].As<String>())
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemRenameAt2(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "renameat2");
ASSERT(args.Length() == 5);
ASSERT(IsNumberLike(args[0]));
ASSERT(args[1]->IsString());
ASSERT(IsNumberLike(args[2]));
ASSERT(args[3]->IsString());
ASSERT(IsNumberLike(args[4]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->RenameAt2(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2]),
*String::Utf8Value(isolate, args[3].As<String>()),
Val<unsigned int>(args[4])
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->RenameAt2(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2]),
*String::Utf8Value(isolate, args[3].As<String>()),
Val<unsigned int>(args[4])
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemRenameAt(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "renameat");
ASSERT(args.Length() == 4);
ASSERT(IsNumberLike(args[0]));
ASSERT(args[1]->IsString());
ASSERT(IsNumberLike(args[2]));
ASSERT(args[3]->IsString());
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->RenameAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2]),
*String::Utf8Value(isolate, args[3].As<String>())
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->RenameAt(
Val<int>(args[0]),
*String::Utf8Value(isolate, args[1].As<String>()),
Val<int>(args[2]),
*String::Utf8Value(isolate, args[3].As<String>())
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemRename(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "rename");
ASSERT(args.Length() == 2);
ASSERT(args[0]->IsString());
ASSERT(args[1]->IsString());
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->Rename(
*String::Utf8Value(isolate, args[0].As<String>()),
*String::Utf8Value(isolate, args[1].As<String>())
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->Rename(
*String::Utf8Value(isolate, args[0].As<String>()),
*String::Utf8Value(isolate, args[1].As<String>())
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemFAllocate(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "fallocate");
ASSERT(args.Length() == 4);
ASSERT(IsNumberLike(args[0]));
ASSERT(IsNumberLike(args[1]));
ASSERT(IsNumberLike(args[2]));
ASSERT(IsNumberLike(args[3]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
int res = fs->FAllocate(
Val<int>(args[0]),
Val<int>(args[1]),
Val<fs_off_t>(args[2]),
Val<fs_off_t>(args[3])
);
if (res < 0) {
if (res == -FS_ENOMEM) {
isolate->LowMemoryNotification();
res = fs->FAllocate(
Val<int>(args[0]),
Val<int>(args[1]),
Val<fs_off_t>(args[2]),
Val<fs_off_t>(args[3])
);
if (res < 0)
THROWERR(res);
} else THROWERR(res);
}
}
void FileSystemLSeek(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "lseek");
ASSERT(args.Length() == 3);
ASSERT(IsNumberLike(args[0]));
ASSERT(IsNumberLike(args[1]));
ASSERT(IsNumberLike(args[2]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()
);
fs_off_t res;
THROWIFERR(
res = fs->LSeek(
Val<unsigned int>(args[0]),
Val<fs_off_t>(args[1]),
Val<unsigned int>(args[2])
)
);
args.GetReturnValue().Set(BigInt::New(isolate, res));
}
void FileSystemRead(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Object> self = args.This()->FindInstanceInPrototypeChain(FSConstructorTmpl.Get(isolate));
THROWIFNOTFS(self, "read");
ASSERT(args.Length() == 2);
ASSERT(IsNumberLike(args[0]));
ASSERT(IsNumberLike(args[1]));
FileSystem* fs = reinterpret_cast<FileSystem*>(
self->GetInternalField(0).As<External>()->Value()