dysql_tpl/simple/
simple_value.rs

1
2use chrono::{NaiveDateTime, DateTime, Utc, Local, FixedOffset};
3use paste::paste;
4use uuid::Uuid;
5
6use super::SimpleError;
7use super::SimpleInnerError;
8
9#[derive(Debug)]
10pub struct RawStr(pub * const str);
11
12unsafe impl Send for RawStr {}
13unsafe impl Sync for RawStr {}
14
15impl RawStr {
16    /// 指针转字符串切片
17    pub fn as_str(&self) -> Result<&str, SimpleError> {
18        let val = self.0;
19        let val: &str = unsafe {&*val};
20        Ok(val)
21    }
22}
23
24#[derive(Debug)]
25pub struct RawString(pub * const String);
26
27unsafe impl Send for RawString {}
28unsafe impl Sync for RawString {}
29
30impl RawString {
31    /// 指针转字符串引用
32    pub fn as_string(&self) -> Result<&String, SimpleError> {
33        let val = self.0;
34        let val: &String = unsafe {&*val};
35        Ok(val)
36    }
37}
38
39macro_rules! impl_simple_value_varaint {
40    (
41        $($vtype: ty),*
42    ) => {
43        paste! {
44            #[allow(non_camel_case_types)]
45            #[derive(Debug)]
46            pub enum SimpleValue {
47                $(
48                    [<t_ $vtype>]($vtype),
49                )*
50                t_str(RawStr),
51                t_String(RawString),
52                t_Utc(DateTime<Utc>),
53                t_DateTime_Local(DateTime<Local>),
54                t_DateTime_FixedOffset(DateTime<FixedOffset>),
55                None(Option<i32>),
56            }
57        }
58    }
59}
60
61impl_simple_value_varaint!(usize, isize, i64, u64, i32, u32, i16, u16, i8, u8, i128, u128, f32, f64, bool, char, Uuid, NaiveDateTime);
62
63impl SimpleValue {
64    /// 指针转字符串切片
65    pub fn as_str(&self) -> Result<&str, SimpleError> {
66        if let SimpleValue::t_str(val) = self {
67            let val = val.0;
68            let val: &str = unsafe {&*val};
69            Ok(val)
70        } else {
71            Err(SimpleInnerError(format!("value: '{:?}' convert to &str failed", self)).into())
72        }
73    }
74
75    /// 指针转字符串引用
76    pub fn as_string(&self) -> Result<&String, SimpleError> {
77        if let SimpleValue::t_String(val) = self {
78            let val = val.0;
79            let val: &String = unsafe {&*val};
80            Ok(val)
81        } else {
82            Err(SimpleInnerError(format!("value: '{:?}' convert to &String failed", self)).into())
83        }
84    }
85}
dysql_tpl/simple/simple_value.rs

dysql_tpl/simple/
simple_value.rs
