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use crate::{Ion, Section, Value};
use std::fmt::{self, Write};
impl fmt::Display for Ion {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
for (name, section) in &self.sections {
f.write_fmt(format_args!("[{name}]\n"))?;
section.fmt(f)?;
f.write_str("\n")?;
}
Ok(())
}
}
impl fmt::Display for Section {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
for (k, v) in &self.dictionary {
f.write_fmt(format_args!("{k} = {v:#}\n"))?;
}
for row in &self.rows {
for cell in row {
fmt::Display::fmt(&format!("| {cell} "), f)?;
}
f.write_str("|\n")?;
}
Ok(())
}
}
impl fmt::Display for Value {
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
match self {
Value::String(v) => {
if f.alternate() {
f.write_char('"')?;
for c in v.chars() {
match c {
'\\' => f.write_str("\\\\")?,
'\n' => f.write_str("\\n")?,
'\"' => f.write_str("\\\"")?,
_ => f.write_char(c)?,
}
}
f.write_char('"')?;
} else {
let mut escaping = false;
for c in v.chars() {
match (escaping, c) {
(false, '\\') => {
escaping = true;
f.write_char('\\')?;
continue;
}
(false, '\n') => f.write_str("\\n")?,
(false, '\t') => f.write_str("\\t")?,
(false, '|') => f.write_str("\\|")?,
(true, '\\') => f.write_char('\\')?,
(true, 'n') => f.write_str("\\n")?,
(true, 't') => f.write_str("\\t")?,
(true, '|') => f.write_str("\\|")?,
(_, c) => f.write_char(c)?,
}
escaping = false;
}
}
Ok(())
}
Value::Integer(v) => v.fmt(f),
Value::Float(v) => v.fmt(f),
Value::Boolean(v) => v.fmt(f),
Value::Array(v) => {
f.write_str("[ ")?;
let mut first = true;
for i in v {
if first {
first = false;
} else {
f.write_str(", ")?
}
write!(f, "{i:#}")?;
}
f.write_str(" ]")
}
Value::Dictionary(d) => {
f.write_str("{ ")?;
let mut first = true;
for (k, v) in d {
if first {
first = false;
} else {
f.write_str(", ")?
}
k.fmt(f)?;
f.write_str(" = ")?;
write!(f, "{v:#}")?;
}
f.write_str(" }")
}
}
}
}