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61 lines
2.1 KiB
Kotlin
61 lines
2.1 KiB
Kotlin
/*
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* Copyright 2025 mingliqiye
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ProjectName mingli-utils
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* ModuleName mingli-utils.main
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* CurrentFile FieldStructure.kt
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* LastUpdate 2025-09-14 18:19:29
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* UpdateUser MingLiPro
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*/
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package com.mingliqiye.utils.jna
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import com.sun.jna.Structure
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import java.lang.reflect.Modifier
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/**
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* JNA结构体基类，自动处理字段顺序
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* 该类继承自JNA的Structure类，通过反射自动获取子类的公共非静态字段，
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* 并按声明顺序返回字段名列表，用于JNA结构体的字段映射。
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*/
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class FieldStructure : Structure() {
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/**
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* 获取结构体字段顺序列表
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* 通过反射遍历当前类及其父类的所有声明字段，过滤出公共非静态字段，
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* 按照字段在类中声明的顺序返回字段名列表。
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*
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* @return 包含字段名的列表，按声明顺序排列
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*/
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override fun getFieldOrder(): MutableList<String> {
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val fieldOrderList: MutableList<String> = ArrayList()
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var cls: Class<*> = javaClass
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while (cls != FieldStructure::class.java) {
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val fields = cls.getDeclaredFields()
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var modifiers: Int
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for (field in fields) {
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modifiers = field.modifiers
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if (Modifier.isStatic(modifiers) ||
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!Modifier.isPublic(modifiers)
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) {
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continue
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}
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fieldOrderList.add(field.name)
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}
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cls = cls.getSuperclass()
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}
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return fieldOrderList
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}
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}
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