a11y 0.2.2

无障碍（ACCESSIBILITY,A11Y,辅助功能）
Documentation 
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/*
 * Copyright (c) 2024. The RigelA open source project team and
 * its contributors reserve all rights.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and limitations under the License.
 */

use crate::jab::{
    hyperlink::AccessibleHyperlink,
    jab_lib::{
        packages::{AccessibleContext as AC, AccessibleHypertextInfo},
        JabLib,
    },
};
use std::fmt::{Debug, Formatter};

pub struct AccessibleHypertext<'lib> {
    _lib: &'lib JabLib,
    _ac: AC,
    _vm_id: i32,
    _info: AccessibleHypertextInfo,
}

impl<'lib> AccessibleHypertext<'lib> {
    /**

     * 创建一个实例。
     * */
    pub(crate) fn new(
        lib: &'lib JabLib,
        vm_id: i32,
        ac: AC,
        info: AccessibleHypertextInfo,
    ) -> Self {
        Self {
            _lib: lib,
            _ac: ac,
            _vm_id: vm_id,
            _info: info,
        }
    }

    /**

     * 获取所有链接对象。
     * */
    pub fn get_links(&self) -> Vec<AccessibleHyperlink<'lib>> {
        let mut v = vec![];
        for i in 0..self._info.linkCount {
            v.push(AccessibleHyperlink::new(
                self._lib,
                self._vm_id,
                self._ac,
                self._info.links[i as usize].clone(),
            ));
        }
        v
    }

    /**

     * 返回文档中的第n个超链接。出现错误时返回None。
     * `index` 索引。
     * */
    pub fn get_hyperlink(&self, index: i32) -> Option<AccessibleHypertext<'lib>> {
        let Some(link) =
            self._lib
                .get_accessible_hyperlink(self._vm_id, self._info.accessibleHypertext, index)
        else {
            return None;
        };
        Some(Self::new(self._lib, self._vm_id, self._ac, link))
    }

    /**

     * 返回组件中的超链接数。出现错误时返回-1。
     * */
    pub fn get_hyperlink_count(&self) -> i32 {
        self._lib
            .get_accessible_hyperlink_count(self._vm_id, self._info.accessibleHypertext)
    }

    /**

     * 将索引返回到与文档中的字符索引关联的超链接数组中。出现错误时返回-1。
     * `vm_id` 虚拟机ID。
     * `ah` 可访问超文本。
     * `index` 索引。
     * */
    pub fn get_link_index(&self, index: i32) -> i32 {
        self._lib.get_accessible_hypertext_link_index(
            self._vm_id,
            self._info.accessibleHypertext,
            index,
        )
    }
}

impl<'lib> Drop for AccessibleHypertext<'lib> {
    fn drop(&mut self) {
        self._lib
            .release_java_object(self._vm_id, self._info.accessibleHypertext)
    }
}

impl<'lib> Debug for AccessibleHypertext<'lib> {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(
            f,
            "AccessibleHypertext(link_count:{})",
            self._info.linkCount
        )
    }
}