plusparse/scanner library

Low-level, single-pass line helpers shared by the block parser. No regex — everything is hand-written character scanning (ported 1:1 from the Rust plusparse scanner).

Functions

checkboxMarker(String trimmed) → ({bool checked, String content})?

[x] / [ ] checkbox. Returns (checked, content).

indentWidth(String line) → int

Number of leading-indent columns (space = 1, tab = 4).

isBlank(String line) → bool

isHeading(String trimmed) → ({String content, int level})?

ATX heading: 1–6 # followed by a space. Returns (level, content).

isHr(String trimmed) → bool

Thematic break: 3+ of -, *, or _ (optionally space-separated), or ⸻.

orderedMarker(String trimmed) → ({String content, int number})?

N. or N) ordered marker. Returns (number, content).

radioMarker(String trimmed) → ({String content, bool selected})?

(x) / ( ) radio. Returns (selected, content).

stripIndent(String line, int max) → String

Remove up to max columns of leading indentation, returning the remainder.

unorderedMarker(String trimmed) → String?

- , * , or + bullet. Returns the content after the marker.