70 lines
2.4 KiB
Rust
70 lines
2.4 KiB
Rust
|
use anyhow::Context;
|
||
|
|
use serde::{Deserialize, Serialize};
|
||
|
|
|
||
|
|
pub fn from_str<D: for<'de> Deserialize<'de>>(s: &str) -> anyhow::Result<D> {
|
||
|
|
serde_json::from_str(s).map_err(|e| anyhow::format_err!("{e}:\n{}", extract_context(&e, s)))
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn to_string<S: Serialize>(data: &S) -> anyhow::Result<String> {
|
||
|
|
serde_json::to_string(data).context("Could not serialize data to json")
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn to_string_pretty<S: Serialize>(data: &S) -> anyhow::Result<String> {
|
||
|
|
serde_json::to_string_pretty(data).context("Could not serialize data to json")
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn to_vec<S: Serialize>(data: &S) -> anyhow::Result<Vec<u8>> {
|
||
|
|
serde_json::to_vec(data).context("Could not serialize data to json")
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn to_vec_pretty<S: Serialize>(data: &S) -> anyhow::Result<Vec<u8>> {
|
||
|
|
serde_json::to_vec_pretty(data).context("Could not serialize data to json")
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn string(v: &str) -> String {
|
||
|
|
serde_json::to_string(v).expect("Could not encode json string")
|
||
|
|
}
|
||
|
|
|
||
|
|
fn extract_context(serde_error: &serde_json::Error, s: &str) -> String {
|
||
|
|
let lines: Vec<_> = s.lines().collect();
|
||
|
|
if lines.len() == 1 {
|
||
|
|
let (col_begin, highlight) = if serde_error.column() > 30 {
|
||
|
|
(serde_error.column() - 30, 30)
|
||
|
|
} else {
|
||
|
|
(1, serde_error.column())
|
||
|
|
};
|
||
|
|
let col_end = if lines[0].len() + 31 < serde_error.column() {
|
||
|
|
lines[0].len() + 1
|
||
|
|
} else {
|
||
|
|
serde_error.column() + 30
|
||
|
|
};
|
||
|
|
let mut line: String = lines[0]
|
||
|
|
.chars()
|
||
|
|
.skip(col_begin - 1)
|
||
|
|
.take(col_end - col_begin)
|
||
|
|
.collect();
|
||
|
|
line.push('\n');
|
||
|
|
line.extend(std::iter::repeat_n(' ', highlight - 1));
|
||
|
|
line.push('^');
|
||
|
|
line
|
||
|
|
} else {
|
||
|
|
let error_line = serde_error.line();
|
||
|
|
let mut result = String::new();
|
||
|
|
if error_line > 1 {
|
||
|
|
result.push_str(&format!("{}: {}\n", error_line - 1, lines[error_line - 2]));
|
||
|
|
}
|
||
|
|
result.push_str(&format!("{}: {}\n", error_line, lines[error_line - 1]));
|
||
|
|
result.push_str(&format!(
|
||
|
|
"{} {}\n",
|
||
|
|
" ".repeat(error_line.to_string().len()),
|
||
|
|
std::iter::repeat_n(' ', serde_error.column() - 1)
|
||
|
|
.chain(['^'].into_iter())
|
||
|
|
.collect::<String>(),
|
||
|
|
));
|
||
|
|
if lines.len() > error_line {
|
||
|
|
result.push_str(&format!("{}: {}\n", error_line + 1, lines[error_line]));
|
||
|
|
}
|
||
|
|
result
|
||
|
|
}
|
||
|
|
}
|