`001a19c0aae9`

1 file changed

modifiedcrates/nixlike/src/to_string.rsdiff before after both
22
3pub fn write_identifier(k: &str, out: &mut String) {3pub fn write_identifier(k: &str, out: &mut String) {
4	if k.contains(['.', '\'', '\"', '\\', '\n', '\t', '\r', '$']) {4	if k.contains(['.', '\'', '\"', '\\', '\n', '\t', '\r', '$']) {
5		write_nix_str(k, out);5		write_nix_str_singleline(k, out);
6	} else {6	} else {
7		out.push_str(k);7		out.push_str(k);
8	}8	}
9}9}
1010
11fn write_nix_obj_key_buf(k: &str, v: &Value, out: &mut String) {11fn write_nix_obj_key_buf(k: &str, v: &Value, out: &mut String, padding: &mut usize) {
12	write_identifier(k, out);12	write_identifier(k, out);
13	match v {13	match v {
14		Value::Object(o) if o.len() == 1 => {14		Value::Object(o) if o.len() == 1 => {
15			let (k, v) = o.iter().next().unwrap();15			let (k, v) = o.iter().next().unwrap();
1616
17			out.push('.');17			out.push('.');
18			write_nix_obj_key_buf(k, v, out);18			write_nix_obj_key_buf(k, v, out, padding);
19		}19		}
20		v => {20		v => {
21			out.push_str(" = ");21			out.push_str(" = ");
22			write_nix_buf(v, out);22			write_nix_buf(v, out, padding);
23			out.push(';');23			out.push(';');
24		}24		}
25	}25	}
37	)37	)
38}38}
3939
40fn write_padding(out: &mut String, padding: &usize) {
41	for _ in 0..*padding {
42		out.push_str("  ");
43	}
44}
45
46pub fn write_nix_str_singleline(str: &str, out: &mut String) {
47	out.push_str(&escape_string(str))
48}
40pub fn write_nix_str(str: &str, out: &mut String) {49pub fn write_nix_str(str: &str, out: &mut String, padding: &mut usize) {
41	if str.ends_with('\n') {50	if str.ends_with('\n') {
42		out.push_str("''");51		out.push_str("''");
52		*padding += 1;
43		for ele in str.split('\n') {53		for ele in str[0..str.len() - 1].split('\n') {
44			out.push('\n');54			out.push('\n');
55			write_padding(out, padding);
45			out.push_str(56			out.push_str(
46				&ele57				&ele
47					// '' is escaped with '58					// '' is escaped with '
55					.replace('\t', "''\\t"),66					.replace('\t', "''\\t"),
56			);67			);
57		}68		}
69		out.push('\n');
70		*padding -= 1;
71		write_padding(out, padding);
58		// Final newline is assumed due to str.ends_with condition72		// Final newline is assumed due to str.ends_with condition
59		out.push_str("''");73		out.push_str("''");
60	} else {74	} else {
61		out.push_str(&escape_string(str))75		write_nix_str_singleline(str, out);
62	}76	}
63}77}
6478
65fn write_nix_buf(value: &Value, out: &mut String) {79fn write_nix_buf(value: &Value, out: &mut String, padding: &mut usize) {
66	match value {80	match value {
67		Value::Null => out.push_str("null"),81		Value::Null => out.push_str("null"),
68		Value::Boolean(v) => out.push_str(if *v { "true" } else { "false" }),82		Value::Boolean(v) => out.push_str(if *v { "true" } else { "false" }),
69		Value::Number(n) => out.push_str(&format!("{}", n)),83		Value::Number(n) => out.push_str(&format!("{n}")),
70		Value::String(s) => write_nix_str(s, out),84		Value::String(s) => write_nix_str(s, out, padding),
71		Value::Array(a) => {85		Value::Array(a) => {
72			if a.is_empty() {86			if a.is_empty() {
73				out.push_str("[ ]");87				out.push_str("[ ]");
74			} else {88			} else {
75				out.push('[');89				out.push_str("[\n");
90				*padding += 1;
76				for item in a {91				for item in a {
92					write_padding(out, padding);
77					write_nix_buf(item, out);93					write_nix_buf(item, out, padding);
78					out.push('\n');94					out.push('\n');
79				}95				}
96				*padding -= 1;
97				write_padding(out, padding);
80				out.push(']');98				out.push(']');
81			}99			}
82		}100		}
83		Value::Object(obj) => {101		Value::Object(obj) => {
84			if obj.is_empty() {102			if obj.is_empty() {
85				out.push_str("{ }")103				out.push_str("{ }")
86			} else {104			} else {
87				out.push('{');105				out.push_str("{\n");
106				*padding += 1;
88				for (k, v) in obj {107				for (k, v) in obj {
108					write_padding(out, padding);
89					write_nix_obj_key_buf(k, v, out);109					write_nix_obj_key_buf(k, v, out, padding);
90					out.push('\n');110					out.push('\n');
91				}111				}
112				*padding -= 1;
113				write_padding(out, padding);
92				out.push('}');114				out.push('}');
93			}115			}
94		}116		}
97119
98pub fn write_nix(value: &Value) -> String {120pub fn write_nix(value: &Value) -> String {
99	let mut out = String::new();121	let mut out = String::new();
100	write_nix_buf(value, &mut out);122	write_nix_buf(value, &mut out, &mut 0);
101	out123	out
102}124}
103125