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68 lines
2.1 KiB
68 lines
2.1 KiB
#ifndef NODE_BUFFER_H_
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#define NODE_BUFFER_H_
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#include <node.h>
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#include <node_object_wrap.h>
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#include <v8.h>
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#include <assert.h>
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namespace node {
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/* A buffer is a chunk of memory stored outside the V8 heap, mirrored by an
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* object in javascript. The object is not totally opaque, one can access
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* individual bytes with [] and slice it into substrings or sub-buffers
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* without copying memory.
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*
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* // return an ascii encoded string - no memory is copied
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* buffer.asciiSlice(0, 3)
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*/
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class Buffer : public ObjectWrap {
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public:
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~Buffer();
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static void Initialize(v8::Handle<v8::Object> target);
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static Buffer* New(size_t length); // public constructor
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static Buffer* New(char *data, size_t len); // public constructor
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static bool HasInstance(v8::Handle<v8::Value> val);
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static char* Data(v8::Handle<v8::Object>);
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static size_t Length(v8::Handle<v8::Object>);
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char* data() {
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assert(0 && "v0.3 API change: Use node::Buffer::Data().");
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return NULL;
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}
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size_t length() const {
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assert(0 && "v0.3 API change: Use node::Buffer::Length().");
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return 0;
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}
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private:
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static v8::Persistent<v8::FunctionTemplate> constructor_template;
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static v8::Handle<v8::Value> New(const v8::Arguments &args);
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static v8::Handle<v8::Value> BinarySlice(const v8::Arguments &args);
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static v8::Handle<v8::Value> AsciiSlice(const v8::Arguments &args);
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static v8::Handle<v8::Value> Base64Slice(const v8::Arguments &args);
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static v8::Handle<v8::Value> Utf8Slice(const v8::Arguments &args);
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static v8::Handle<v8::Value> BinaryWrite(const v8::Arguments &args);
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static v8::Handle<v8::Value> Base64Write(const v8::Arguments &args);
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static v8::Handle<v8::Value> AsciiWrite(const v8::Arguments &args);
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static v8::Handle<v8::Value> Utf8Write(const v8::Arguments &args);
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static v8::Handle<v8::Value> ByteLength(const v8::Arguments &args);
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static v8::Handle<v8::Value> MakeFastBuffer(const v8::Arguments &args);
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static v8::Handle<v8::Value> Copy(const v8::Arguments &args);
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Buffer(size_t length);
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size_t length_;
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char* data_;
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};
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} // namespace node buffer
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#endif // NODE_BUFFER_H_
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