Francesco Renzi 5c49625758 Add YamlScalarFormatter for quote-safe YAML scalars
The upcoming DAP execution-view renderer serves a synthesized YAML
document as the job's debugger source. The skeleton is hand-emitted
so we can track per-step line offsets, but scalar values (step names,
action refs, etc.) need quote-safe formatting that respects YAML's
reserved chars, leading/trailing whitespace, and embedded `: `/`#`
sequences. Doing this by hand is bug-prone and easy to get wrong on
edge cases (empty strings, expressions, multiline content).

This commit adds a thin wrapper around YamlDotNet's `Emitter` that
emits a single scalar, strips the surrounding document markers, and
forces LF line breaks (`StringWriter` otherwise picks up Windows's
CRLF via `Environment.NewLine` and corrupts the document-end
stripping).

No caller yet — the renderer that uses it lands in a follow-up PR.
This is part 1 of 5 splitting the previously-monolithic foundation
for review tractability.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-05-27 11:40:23 +01:00
2019-12-19 15:22:49 -05:00
2020-05-11 15:05:59 -04:00

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