fumiama/android-base16384
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v3.1

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1. 不使用压缩时字符串在内存直接编解码
2. 减少读取配置次数
This commit is contained in:
fumiama
2021-05-20 17:00:16 +08:00
parent 169b6f01a5
commit 9c493cd9e5
19 changed files with 133 additions and 47 deletions
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2
app/src/main/cpp/base14/32/CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.0.0)
project(base1432 VERSION 2.0)
add_library(base1432 ./base1432le.c)
add_library(base14c STATIC base1432le.c)

2
app/src/main/cpp/base14/64/CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.0.0)
project(base1464 VERSION 2.0)
add_library(base1464 ./base1464le.c)
add_library(base14c STATIC base1464le.c)

11
app/src/main/cpp/base14/CMakeLists.txt
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@@ -1,19 +1,14 @@
cmake_minimum_required(VERSION 3.10.2)
project("base16384")
add_library(base14 SHARED base16384.cpp)
add_library(base14c STATIC base16384.c)
IF(CMAKE_SIZEOF_VOID_P EQUAL 8)
add_definitions("-DCPUBIT64")
add_subdirectory("./64")
target_link_libraries(base14c base1464)
ELSE()
add_definitions("-DCPUBIT32")
add_subdirectory("./32")
target_link_libraries(base14c base1432)
ENDIF()
target_link_libraries(base14 base14c)
add_library(base14 SHARED base16384.cpp)
add_library(base14s STATIC base16384.c)
target_link_libraries(base14 base14s base14c)

24
app/src/main/cpp/base14/base16384.cpp
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@@ -1,7 +1,8 @@
#include <jni.h>
#include <cstdio>
#include <cstdlib>
#include "base16384.h"
#include <cstring>
#include "base16384.hpp"
#define execute(function){\
const char *inputFileDir = env->GetStringUTFChars(sf, JNI_FALSE);\
@@ -12,11 +13,26 @@
return re;\
}
extern "C" int encode_file(const char* input, const char* output);
extern "C" int decode_file(const char* input, const char* output);
#define exe_byte(fun) {\
uint32_t len = env->GetArrayLength(buf);\
const uint8_t* data = (uint8_t*)env->GetByteArrayElements(buf, JNI_FALSE);\
LENDAT* ld = fun(data, len);\
jbyteArray out = env->NewByteArray(ld->len);\
auto out_data = env->GetByteArrayElements(out, JNI_FALSE);\
memcpy(out_data, ld->data, ld->len);\
free(ld);\
env->ReleaseByteArrayElements(out, out_data, JNI_COMMIT);\
return out;\
}
extern "C" JNIEXPORT int JNICALL
Java_top_fumiama_base16384_MainActivity_encode(JNIEnv* env, jobject, jstring sf, jstring df) execute(encode_file)
extern "C" JNIEXPORT int JNICALL
Java_top_fumiama_base16384_MainActivity_decode(JNIEnv* env, jobject, jstring sf, jstring df) execute(decode_file)
Java_top_fumiama_base16384_MainActivity_decode(JNIEnv* env, jobject, jstring sf, jstring df) execute(decode_file)
extern "C" JNIEXPORT jbyteArray JNICALL
Java_top_fumiama_base16384_MainActivity_encodeByteArray(JNIEnv* env, jobject, jbyteArray buf) exe_byte(encode)
extern "C" JNIEXPORT jbyteArray JNICALL
Java_top_fumiama_base16384_MainActivity_decodeByteArray(JNIEnv* env, jobject, jbyteArray buf) exe_byte(decode)

40
app/src/main/cpp/base14/base16384.hpp Normal file
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@@ -0,0 +1,40 @@
//
// Created by fumiama on 2021/5/20.
//
#ifndef BASE16384_BASE16384_HPP
#define BASE16384_BASE16384_HPP
#include <stdint.h>
#ifndef CPUBIT32
#ifndef CPUBIT64
#define CPUBIT32
#endif
#endif
#ifdef CPUBIT32
#define B14BUFSIZ 8192
struct LENDAT {
uint8_t* data;
uint32_t len;
};
typedef struct LENDAT LENDAT;
extern "C" LENDAT* encode(const uint8_t* data, const u_int32_t len);
extern "C" LENDAT* decode(const uint8_t* data, const u_int32_t len);
#endif
#ifdef CPUBIT64
#define B14BUFSIZ 16384
struct LENDAT {
uint8_t* data;
uint64_t len;
};
typedef struct LENDAT LENDAT;
extern "C" LENDAT* encode(const uint8_t* data, const u_int64_t len);
extern "C" LENDAT* decode(const uint8_t* data, const u_int64_t len);
#endif
extern "C" int encode_file(const char* input, const char* output);
extern "C" int decode_file(const char* input, const char* output);
#endif //BASE16384_BASE16384_HPP