installed pty

[VSoRC/.git] / node_modules / node-pty / node_modules / nan / nan_typedarray_contents.h

diff --git a/node_modules/node-pty/node_modules/nan/nan_typedarray_contents.h b/node_modules/node-pty/node_modules/nan/nan_typedarray_contents.h
new file mode 100644 (file)
index 0000000..d28ae32
--- /dev/null
+++ b/node_modules/node-pty/node_modules/nan/nan_typedarray_contents.h
@@ -0,0 +1,90 @@
+/*********************************************************************
+ * NAN - Native Abstractions for Node.js
+ *
+ * Copyright (c) 2018 NAN contributors
+ *
+ * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
+ ********************************************************************/
+
+#ifndef NAN_TYPEDARRAY_CONTENTS_H_
+#define NAN_TYPEDARRAY_CONTENTS_H_
+
+template<typename T>
+class TypedArrayContents {
+ public:
+  inline explicit TypedArrayContents(v8::Local<v8::Value> from) :
+      length_(0), data_(NULL) {
+    HandleScope scope;
+
+    size_t length = 0;
+    void*  data = NULL;
+
+#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 ||                      \
+  (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
+
+    if (from->IsArrayBufferView()) {
+      v8::Local<v8::ArrayBufferView> array =
+        v8::Local<v8::ArrayBufferView>::Cast(from);
+
+      const size_t    byte_length = array->ByteLength();
+      const ptrdiff_t byte_offset = array->ByteOffset();
+      v8::Local<v8::ArrayBuffer> buffer = array->Buffer();
+
+      length = byte_length / sizeof(T);
+      data   = static_cast<char*>(buffer->GetContents().Data()) + byte_offset;
+    }
+
+#else
+
+    if (from->IsObject() && !from->IsNull()) {
+      v8::Local<v8::Object> array = v8::Local<v8::Object>::Cast(from);
+
+      MaybeLocal<v8::Value> buffer = Get(array,
+        New<v8::String>("buffer").ToLocalChecked());
+      MaybeLocal<v8::Value> byte_length = Get(array,
+        New<v8::String>("byteLength").ToLocalChecked());
+      MaybeLocal<v8::Value> byte_offset = Get(array,
+        New<v8::String>("byteOffset").ToLocalChecked());
+
+      if (!buffer.IsEmpty() &&
+          !byte_length.IsEmpty() && byte_length.ToLocalChecked()->IsUint32() &&
+          !byte_offset.IsEmpty() && byte_offset.ToLocalChecked()->IsUint32()) {
+        data = array->GetIndexedPropertiesExternalArrayData();
+        if(data) {
+          length = byte_length.ToLocalChecked()->Uint32Value() / sizeof(T);
+        }
+      }
+    }
+
+#endif
+
+#if defined(_MSC_VER) && _MSC_VER >= 1900 || __cplusplus >= 201103L
+    assert(reinterpret_cast<uintptr_t>(data) % alignof (T) == 0);
+#elif defined(_MSC_VER) && _MSC_VER >= 1600 || defined(__GNUC__)
+    assert(reinterpret_cast<uintptr_t>(data) % __alignof(T) == 0);
+#else
+    assert(reinterpret_cast<uintptr_t>(data) % sizeof (T) == 0);
+#endif
+
+    length_ = length;
+    data_   = static_cast<T*>(data);
+  }
+
+  inline size_t length() const      { return length_; }
+  inline T* operator*()             { return data_;   }
+  inline const T* operator*() const { return data_;   }
+
+ private:
+  NAN_DISALLOW_ASSIGN_COPY_MOVE(TypedArrayContents)
+
+  //Disable heap allocation
+  void *operator new(size_t size);
+  void operator delete(void *, size_t) {
+    abort();
+  }
+
+  size_t  length_;
+  T*      data_;
+};
+
+#endif  // NAN_TYPEDARRAY_CONTENTS_H_