toon/cli/
conversion.rs

1use crate::cli::json_stream::json_stream_from_events;
2use crate::cli::json_stringify::json_stringify_lines;
3use crate::decode::decoders as decoder_impl;
4use crate::decode::event_builder::{build_node_from_events, node_to_json};
5use crate::decode::expand::expand_paths_safe;
6use crate::error::{Result, ToonError};
7use crate::options::{
8    DecodeOptions, DecodeStreamOptions, EncodeOptions, ExpandPathsMode, resolve_decode_options,
9};
10use crate::{JsonValue, StringOrNumberOrBoolOrNull};
11
12/// Encode JSON input to TOON lines.
13///
14/// # Errors
15///
16/// Returns an error if the JSON input is invalid.
17pub fn encode_to_toon_lines(
18    input_json: &str,
19    options: Option<EncodeOptions>,
20) -> Result<Vec<String>> {
21    let value: serde_json::Value =
22        serde_json::from_str(input_json).map_err(|err| ToonError::json_parse(&err))?;
23    let converted = JsonValue::from(value);
24    Ok(crate::encode::encode_lines(converted, options))
25}
26
27/// Decode TOON input into JSON output chunks.
28///
29/// # Errors
30///
31/// Returns an error if decoding fails or strict validation errors occur.
32pub fn decode_to_json_chunks(input: &str, options: Option<DecodeOptions>) -> Result<Vec<String>> {
33    let resolved = resolve_decode_options(options);
34
35    if resolved.expand_paths == ExpandPathsMode::Safe {
36        let value = decode_to_value(input, &resolved)?;
37        return Ok(json_stringify_lines(&value, resolved.indent));
38    }
39
40    let events = decode_events(input, resolved.indent, resolved.strict)?;
41    json_stream_from_events(events, resolved.indent)
42}
43
44fn decode_events(input: &str, indent: usize, strict: bool) -> Result<Vec<crate::JsonStreamEvent>> {
45    let lines = input
46        .split('\n')
47        .map(std::string::ToString::to_string)
48        .collect::<Vec<_>>();
49
50    decoder_impl::decode_stream_sync(
51        lines,
52        Some(DecodeStreamOptions {
53            indent: Some(indent),
54            strict: Some(strict),
55        }),
56    )
57}
58
59fn decode_to_value(
60    input: &str,
61    options: &crate::options::ResolvedDecodeOptions,
62) -> Result<JsonValue> {
63    let events = decode_events(input, options.indent, options.strict)?;
64    let mut node = build_node_from_events(events)?;
65
66    if options.expand_paths == ExpandPathsMode::Safe {
67        node = expand_paths_safe(node, options.strict)?;
68    }
69
70    Ok(node_to_json(node))
71}
72
73#[must_use]
74pub fn json_stringify_null(indent: usize) -> Vec<String> {
75    json_stringify_lines(
76        &JsonValue::Primitive(StringOrNumberOrBoolOrNull::Null),
77        indent,
78    )
79}
toon/cli/conversion.rs

toon/cli/
conversion.rs
