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80 lines
3.3 KiB
80 lines
3.3 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SRC_NODE_BUFFER_H_
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#define SRC_NODE_BUFFER_H_
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#include "node.h"
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#include "smalloc.h"
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#include "v8.h"
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#if defined(NODE_WANT_INTERNALS)
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#include "env.h"
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#endif // defined(NODE_WANT_INTERNALS)
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namespace node {
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namespace Buffer {
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static const unsigned int kMaxLength = smalloc::kMaxLength;
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NODE_EXTERN bool HasInstance(v8::Handle<v8::Value> val);
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NODE_EXTERN bool HasInstance(v8::Handle<v8::Object> val);
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NODE_EXTERN char* Data(v8::Handle<v8::Value> val);
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NODE_EXTERN char* Data(v8::Handle<v8::Object> val);
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NODE_EXTERN size_t Length(v8::Handle<v8::Value> val);
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NODE_EXTERN size_t Length(v8::Handle<v8::Object> val);
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// public constructor
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NODE_EXTERN v8::Local<v8::Object> New(size_t length);
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// public constructor from string
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NODE_EXTERN v8::Local<v8::Object> New(v8::Handle<v8::String> string,
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enum encoding enc = UTF8);
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// public constructor - data is copied
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// TODO(trevnorris): should be something like Copy()
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NODE_EXTERN v8::Local<v8::Object> New(const char* data, size_t len);
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// public constructor - data is used, callback is passed data on object gc
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NODE_EXTERN v8::Local<v8::Object> New(char* data,
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size_t length,
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smalloc::FreeCallback callback,
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void* hint);
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// public constructor - data is used.
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// TODO(trevnorris): should be New() for consistency
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NODE_EXTERN v8::Local<v8::Object> Use(char* data, uint32_t len);
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// Internal. Not for public consumption. We can't define these in
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// src/node_internals.h due to a circular dependency issue with
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// the smalloc.h and node_internals.h headers.
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#if defined(NODE_WANT_INTERNALS)
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v8::Local<v8::Object> New(Environment* env, size_t size);
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v8::Local<v8::Object> New(Environment* env, const char* data, size_t len);
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v8::Local<v8::Object> New(Environment* env,
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char* data,
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size_t length,
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smalloc::FreeCallback callback,
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void* hint);
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v8::Local<v8::Object> Use(Environment* env, char* data, uint32_t length);
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#endif // defined(NODE_WANT_INTERNALS)
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} // namespace Buffer
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} // namespace node
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#endif // SRC_NODE_BUFFER_H_
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