Struct file_sql::app::App

pub struct App {
    pub path: Option<String>,
    pub data: Vec<AppData>,
    pub keys: Vec<String>,
    // some fields omitted
}

主控制器

Examples

use file_sql::*;
let app = App::from_file("example.fql");

Fields

path: Option<String>

文件路径

data: Vec<AppData>

储存数据

keys: Vec<String>

键名列表

Implementations

impl App

pub fn from_file<T: Display>(path: T) -> Result<Self>

加载 fql 文件

pub fn serialize(&self) -> Vec<HashMap<String, Value>>

直接生成可序列化数据

pub fn merge_data(&mut self, data: Vec<AppData>)

pub fn save_at<T: Display>(&self, path: T)

保存文件到指定位置

pub fn create_data(&self) -> AppData

创建空的数据

pub fn init_data(&self, data: &mut AppData)

将指定数据初始化

pub fn save(&self)

保存文件

Trait Implementations

impl Clone for App

pub fn clone(&self) -> App

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for App

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Editor for App

pub fn replace(&mut self, index: usize, new_data: AppData)

修改一行数据 #Example

 use file_sql::*;
 let app = App::from_file("example.fql");
 let new_data = app.find_index(1);
 app.replace(0, "age", new_data.to_owned());

pub fn insert(&mut self, index: usize, new_data: AppData)

在指定一行加入数据

pub fn remove(&mut self, index: usize)

删除某一列数据 #Example

 use file_sql::*;
 let app = App::from_file("example.fql");
 app.remove(1); // 删除第二行数据

pub fn update<T: Display>(&mut self, index: usize, key: T, new_value: FQLType)

pub fn add(&mut self, new_data: AppData)

添加数据到末尾

impl From<&'_ str> for App

pub fn from(s: &str) -> Self

Performs the conversion.

impl From<Vec<&'_ AppData, Global>> for App

pub fn from(data: Vec<&AppData>) -> Self

Performs the conversion.

impl From<Vec<AppData, Global>> for App

pub fn from(data: Vec<AppData>) -> Self

Performs the conversion.

impl From<Vec<String, Global>> for App

pub fn from(lines: Vec<String>) -> Self

Performs the conversion.

impl Into<Vec<Vec<FQLType, Global>, Global>> for App

pub fn into(self) -> Vec<Vec<FQLType>>

Performs the conversion.

impl Reader for App

pub fn index(&self, index: usize) -> Option<&AppData>

查找指定序号的数据

pub fn find<T: Display>(&self, key: T, val: FQLType) -> Option<&AppData>

查找第一个符合条件的数据

pub fn find_index<T: Display>(&self, key: T, val: FQLType) -> Option<usize>

查找第一个符合条件的数据的序号

pub fn find_all<T: Display>(&self, key: T, val: FQLType) -> Vec<&AppData>

获取所有符合条件的数据

pub fn find_all_index<T: Display>(&self, key: T, val: FQLType) -> Vec<usize>

获取所有符合条件的数据序号

pub fn find_by<T: Display>(
    &self,
    key: T,
    f: impl Fn(&FQLType) -> bool
) -> Vec<&AppData>

获取所有符合过滤函数的数据

pub fn find_index_by<T: Display>(
    &self,
    key: T,
    f: impl Fn(&FQLType) -> bool
) -> Vec<usize>

pub fn find_index_from_data(&self, data: &AppData) -> Option<usize>