mirror of
https://github.com/zhigang1992/react-native.git
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0d7faf6f73
Summary: This adds a new jsi API prepareJavaScript. This accepts the same parameters as evaluateJavaScript() but does not evaluate anything; instead it returns a new object PreparedJavaScript which can itself be evaluated, via the new API evaluatePreparedJavaScript(). There is a new empty class PreparedJavaScript which may be subclassed by each Runtime variant to store its particular prepared form. Reviewed By: mhorowitz Differential Revision: D10491585 fbshipit-source-id: 702b9e23f2ff03d71a8ab17efb7e154b16dd8e87
58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
// Copyright (c) Facebook, Inc. and its affiliates.
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//
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// This source code is licensed under the MIT license found in the
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// LICENSE file in the root directory of this source tree.
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#pragma once
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#include <jsi/jsi.h>
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namespace facebook {
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namespace jsi {
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class FileBuffer : public Buffer {
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public:
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FileBuffer(const std::string& path);
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~FileBuffer();
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size_t size() const override {
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return size_;
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}
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const uint8_t* data() const override {
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return data_;
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}
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private:
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size_t size_;
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uint8_t* data_;
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};
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// A trivial implementation of PreparedJavaScript that simply stores the source
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// buffer and URL.
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class SourceJavaScriptPreparation final : public jsi::PreparedJavaScript,
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public jsi::Buffer {
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std::shared_ptr<const jsi::Buffer> buf_;
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std::string sourceURL_;
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public:
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SourceJavaScriptPreparation(
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std::shared_ptr<const jsi::Buffer> buf,
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std::string sourceURL)
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: buf_(std::move(buf)), sourceURL_(std::move(sourceURL)) {}
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const std::string& sourceURL() const {
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return sourceURL_;
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}
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size_t size() const override {
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return buf_->size();
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}
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const uint8_t* data() const override {
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return buf_->data();
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}
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};
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} // namespace jsi
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} // namespace facebook
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