arnekeller/ascii-table
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Complex example.

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This commit is contained in:
Gerrit Viljoen 2020-04-01 22:12:24 +02:00
parent c9b4955773
commit a23a05698a
2 changed files with 80 additions and 5 deletions
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37
readme.md
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@ -16,3 +16,40 @@ ascii_table.print(data);
// │ 7 │ 8 │ 9 │ // │ 7 │ 8 │ 9 │
// └───┴───┴───┘ // └───┴───┴───┘
``` ```
## Example
```
use std::fmt::Display;
use ascii_table::{AsciiTable, Column, Align};
let mut ascii_table = AsciiTable::default();
ascii_table.max_width = 26;
let mut column = Column::default();
column.header = "H1".into();
column.align = Align::Left;
ascii_table.columns.insert(0, column);
let mut column = Column::default();
column.header = "H2".into();
column.align = Align::Center;
ascii_table.columns.insert(1, column);
let mut column = Column::default();
column.header = "H3".into();
column.align = Align::Right;
ascii_table.columns.insert(2, column);
let data: Vec<Vec<&dyn Display>> = vec![
vec![&'v', &'v', &'v'],
vec![&123, &456, &789, &"abcdef"]
];
ascii_table.print(data);
// ┌─────┬─────┬─────┬──────┐
// │ H1 │ H2 │ H3 │ │
// ├─────┼─────┼─────┼──────┤
// │ v │ v │ v │ │
// │ 123 │ 456 │ 789 │ abc+ │
// └─────┴─────┴─────┴──────┘
```

48
src/lib.rs
View File

@ -31,11 +31,49 @@
//! // │ 7 │ 8 │ 9 │ //! // │ 7 │ 8 │ 9 │
//! // └───┴───┴───┘ //! // └───┴───┴───┘
//! ``` //! ```
//!
//! # Example
//!
//! ```
//! use std::fmt::Display;
//! use ascii_table::{AsciiTable, Column, Align};
//!
//! let mut ascii_table = AsciiTable::default();
//! ascii_table.max_width = 26;
//!
//! let mut column = Column::default();
//! column.header = "H1".into();
//! column.align = Align::Left;
//! ascii_table.columns.insert(0, column);
//!
//! let mut column = Column::default();
//! column.header = "H2".into();
//! column.align = Align::Center;
//! ascii_table.columns.insert(1, column);
//!
//! let mut column = Column::default();
//! column.header = "H3".into();
//! column.align = Align::Right;
//! ascii_table.columns.insert(2, column);
//!
//! let data: Vec<Vec<&dyn Display>> = vec![
//! vec![&'v', &'v', &'v'],
//! vec![&123, &456, &789, &"abcdef"]
//! ];
//! ascii_table.print(data);
//! // ┌─────┬─────┬─────┬──────┐
//! // │ H1 │ H2 │ H3 │ │
//! // ├─────┼─────┼─────┼──────┤
//! // │ v │ v │ v │ │
//! // │ 123 │ 456 │ 789 │ abc+ │
//! // └─────┴─────┴─────┴──────┘
//! ```
#[cfg(test)] #[cfg(test)]
mod test; mod test;
use std::collections::BTreeMap; use std::collections::BTreeMap;
use std::fmt::Display;
const SE: &str = "┌"; const SE: &str = "┌";
const NW: &str = "┘"; const NW: &str = "┘";
@ -94,9 +132,9 @@ impl Default for Column {
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash, Ord, PartialOrd)] #[derive(Clone, Copy, Debug, Eq, PartialEq, Hash, Ord, PartialOrd)]
pub enum Align { pub enum Align {
Right, Left,
Center, Center,
Left Right
} }
impl Default for Align { impl Default for Align {
@ -111,14 +149,14 @@ impl AsciiTable {
pub fn print<L1, L2, T>(&self, data: L1) pub fn print<L1, L2, T>(&self, data: L1)
where L1: IntoIterator<Item = L2>, where L1: IntoIterator<Item = L2>,
L2: IntoIterator<Item = T>, L2: IntoIterator<Item = T>,
T: ToString { T: Display {
print!("{}", self.format(data)) print!("{}", self.format(data))
} }
pub fn format<L1, L2, T>(&self, data: L1) -> String pub fn format<L1, L2, T>(&self, data: L1) -> String
where L1: IntoIterator<Item = L2>, where L1: IntoIterator<Item = L2>,
L2: IntoIterator<Item = T>, L2: IntoIterator<Item = T>,
T: ToString { T: Display {
self.format_inner(self.stringify(data)) self.format_inner(self.stringify(data))
} }
@ -164,7 +202,7 @@ impl AsciiTable {
fn stringify<L1, L2, T>(&self, data: L1) -> Vec<Vec<String>> fn stringify<L1, L2, T>(&self, data: L1) -> Vec<Vec<String>>
where L1: IntoIterator<Item = L2>, where L1: IntoIterator<Item = L2>,
L2: IntoIterator<Item = T>, L2: IntoIterator<Item = T>,
T: ToString { T: Display {
data.into_iter().map(|row| row.into_iter().map(|cell| cell.to_string()).collect()).collect() data.into_iter().map(|row| row.into_iter().map(|cell| cell.to_string()).collect()).collect()
} }