git.delta.rocks / jrsonnet / refs/commits / 3fbc4663764a

42			}42			}
43		}43		}
44		Val::Null => buf.push_str("null"),44		Val::Null => buf.push_str("null"),
45		Val::Str(s) => buf.push_str(&escape_string_json(s)),45		Val::Str(s) => escape_string_json_buf(s, buf),
46		Val::Num(n) => write!(buf, "{}", n).unwrap(),46		Val::Num(n) => write!(buf, "{}", n).unwrap(),
47		Val::Arr(items) => {47		Val::Arr(items) => {
48			buf.push('[');48			buf.push('[');
100						}100						}
101					}101					}
102					buf.push_str(cur_padding);102					buf.push_str(cur_padding);
103					buf.push_str(&escape_string_json(&field));103					escape_string_json_buf(&field, &mut buf);
104					buf.push_str(": ");104					buf.push_str(": ");
105					crate::push(105					crate::push(
106						None,106						None,
130	Ok(())130	Ok(())
131}131}
132
132pub fn escape_string_json(s: &str) -> String {133pub fn manifest_string_json(s: &str) -> String {
134	let mut buf = String::new();
135	escape_string_json_buf(s, &mut buf);
136	buf
137}
138
139fn escape_string_json_buf(s: &str, buf: &mut String) {
133	use std::fmt::Write;140	use std::fmt::Write;
134	let mut out = String::new();
135	out.push('"');141	buf.push('"');
136	for c in s.chars() {142	for c in s.chars() {
137		match c {143		match c {
138			'"' => out.push_str("\\\""),144			'"' => buf.push_str("\\\""),
139			'\\' => out.push_str("\\\\"),145			'\\' => buf.push_str("\\\\"),
140			'\u{0008}' => out.push_str("\\b"),146			'\u{0008}' => buf.push_str("\\b"),
141			'\u{000c}' => out.push_str("\\f"),147			'\u{000c}' => buf.push_str("\\f"),
142			'\n' => out.push_str("\\n"),148			'\n' => buf.push_str("\\n"),
143			'\r' => out.push_str("\\r"),149			'\r' => buf.push_str("\\r"),
144			'\t' => out.push_str("\\t"),150			'\t' => buf.push_str("\\t"),
145			c if c < 32 as char || (c >= 127 as char && c <= 159 as char) => {151			c if c < 32 as char || (c >= 127 as char && c <= 159 as char) => {
146				write!(out, "\\u{:04x}", c as u32).unwrap()152				write!(buf, "\\u{:04x}", c as u32).unwrap()
147			}153			}
148			c => out.push(c),154			c => buf.push(c),
149		}155		}
150	}156	}
151	out.push('"');157	buf.push('"');
152	out
153}158}
154
155#[test]
156fn json_test() {
157	assert_eq!(escape_string_json("\u{001f}"), "\"\\u001f\"")
158}
159159