mirror of
https://github.com/status-im/react-native.git
synced 2025-01-17 13:01:13 +00:00
b1a23914fa
Summary: `JSIndexedRAMBundle` used to read scripts including the terminating null bytes. That worked on iOS, but not on Android, where we have an ascii-only optimization. This changes that behavior to only read the actual script data excluding the terminal null. Reviewed By: javache Differential Revision: D4265374 fbshipit-source-id: 7e6f943666aee610d79939cef09b103305803c69
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include <fstream>
|
|
#include <memory>
|
|
|
|
#include "Executor.h"
|
|
#include "JSBundleType.h"
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
class JSBigString;
|
|
|
|
#include <cxxreact/JSModulesUnbundle.h>
|
|
|
|
class JSIndexedRAMBundle : public facebook::react::JSModulesUnbundle {
|
|
public:
|
|
// Throws std::runtime_error on failure.
|
|
JSIndexedRAMBundle(const char *sourceURL);
|
|
|
|
// Throws std::runtime_error on failure.
|
|
std::unique_ptr<const facebook::react::JSBigString> getStartupCode();
|
|
// Throws std::runtime_error on failure.
|
|
Module getModule(uint32_t moduleId) const override;
|
|
|
|
private:
|
|
struct ModuleData {
|
|
uint32_t offset;
|
|
uint32_t length;
|
|
};
|
|
static_assert(
|
|
sizeof(ModuleData) == 8,
|
|
"ModuleData must not have any padding and use sizes matching input files");
|
|
|
|
struct ModuleTable {
|
|
size_t numEntries;
|
|
std::unique_ptr<ModuleData[]> data;
|
|
ModuleTable() : numEntries(0) {};
|
|
ModuleTable(size_t entries) :
|
|
numEntries(entries),
|
|
data(std::unique_ptr<ModuleData[]>(new ModuleData[numEntries])) {};
|
|
size_t byteLength() const {
|
|
return numEntries * sizeof(ModuleData);
|
|
}
|
|
};
|
|
|
|
std::string getModuleCode(const uint32_t id) const;
|
|
void readBundle(char *buffer, const std::streamsize bytes) const;
|
|
void readBundle(
|
|
char *buffer, const
|
|
std::streamsize bytes,
|
|
const std::ifstream::pos_type position) const;
|
|
|
|
mutable std::ifstream m_bundle;
|
|
ModuleTable m_table;
|
|
size_t m_baseOffset;
|
|
std::unique_ptr<facebook::react::JSBigBufferString> m_startupCode;
|
|
};
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|