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authorAlex Auvolat <alex@adnab.me>2023-06-13 17:02:42 +0200
committerAlex Auvolat <alex@adnab.me>2023-06-13 17:14:11 +0200
commit90b2d43eb49d49c3aef4f501a30cf2f181adb183 (patch)
treef7f7c15547e2f2072a1841fcb2350c272faf3c9d /src/format-table
parentbf19a44fd93584d5250a2e98e5b1d3a2de6d59d1 (diff)
parent01346143ca09eab262f0d8f8a0a744c2f6d667cc (diff)
downloadgarage-90b2d43eb49d49c3aef4f501a30cf2f181adb183.tar.gz
garage-90b2d43eb49d49c3aef4f501a30cf2f181adb183.zip
Merge branch 'main' into next
Diffstat (limited to 'src/format-table')
-rw-r--r--src/format-table/Cargo.toml12
-rw-r--r--src/format-table/README.md13
-rw-r--r--src/format-table/lib.rs49
3 files changed, 74 insertions, 0 deletions
diff --git a/src/format-table/Cargo.toml b/src/format-table/Cargo.toml
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index 00000000..9e31e211
--- /dev/null
+++ b/src/format-table/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "format_table"
+version = "0.1.1"
+authors = ["Alex Auvolat <alex@adnab.me>"]
+edition = "2018"
+license = "AGPL-3.0"
+description = "Format tables with a stupid API"
+repository = "https://git.deuxfleurs.fr/Deuxfleurs/garage"
+readme = "README.md"
+
+[lib]
+path = "lib.rs"
diff --git a/src/format-table/README.md b/src/format-table/README.md
new file mode 100644
index 00000000..d918bdf4
--- /dev/null
+++ b/src/format-table/README.md
@@ -0,0 +1,13 @@
+# `format_table`
+
+Format tables with a stupid API. [Documentation](https://docs.rs/format_table).
+
+Example:
+
+```rust
+let mut table = vec!["product\tquantity\tprice".to_string()];
+for (p, q, r) in [("tomato", 12, 15), ("potato", 10, 20), ("rice", 5, 12)] {
+ table.push(format!("{}\t{}\t{}", p, q, r));
+}
+format_table::format_table(table);
+```
diff --git a/src/format-table/lib.rs b/src/format-table/lib.rs
new file mode 100644
index 00000000..55252ba9
--- /dev/null
+++ b/src/format-table/lib.rs
@@ -0,0 +1,49 @@
+//! Format tables with a stupid API.
+//!
+//! Example:
+//!
+//! ```rust
+//! let mut table = vec!["product\tquantity\tprice".to_string()];
+//! for (p, q, r) in [("tomato", 12, 15), ("potato", 10, 20), ("rice", 5, 12)] {
+//! table.push(format!("{}\t{}\t{}", p, q, r));
+//! }
+//! format_table::format_table(table);
+//! ```
+//!
+//! A table to be formatted is a `Vec<String>`, containing one string per line.
+//! Table columns in each line are separated by a `\t` character.
+
+/// Format a table and return the result as a string.
+pub fn format_table_to_string(data: Vec<String>) -> String {
+ let data = data
+ .iter()
+ .map(|s| s.split('\t').collect::<Vec<_>>())
+ .collect::<Vec<_>>();
+
+ let columns = data.iter().map(|row| row.len()).fold(0, std::cmp::max);
+ let mut column_size = vec![0; columns];
+
+ let mut out = String::new();
+
+ for row in data.iter() {
+ for (i, col) in row.iter().enumerate() {
+ column_size[i] = std::cmp::max(column_size[i], col.chars().count());
+ }
+ }
+
+ for row in data.iter() {
+ for (col, col_len) in row[..row.len() - 1].iter().zip(column_size.iter()) {
+ out.push_str(col);
+ (0..col_len - col.chars().count() + 2).for_each(|_| out.push(' '));
+ }
+ out.push_str(row[row.len() - 1]);
+ out.push('\n');
+ }
+
+ out
+}
+
+/// Format a table and print the result to stdout.
+pub fn format_table(data: Vec<String>) {
+ print!("{}", format_table_to_string(data));
+}