Enum OutputContext 

pub enum OutputContext {
    Hook,
    Machine,
    Interactive,
    Colored,
    Plain,
}

Output context determines what level of rich formatting to use.

RCH operates in multiple contexts with vastly different output requirements:

Context	Rich OK?	Why
Hook mode	NO	Agent reads JSON from stdout
Interactive	YES	Human at terminal
Piped output	MAYBE	Depends on FORCE_COLOR
Daemon service	NO	No terminal, logs only
Worker execute	NO	Output goes to agent

Variants

Hook

Hook mode - JSON protocol only, ZERO decoration. Detected when: JSON on stdin, or called as hook subprocess.

Machine

Machine-readable output explicitly requested. Detected when: –json flag, RCH_JSON=1, –format=json.

Interactive

Interactive terminal session. Detected when: stderr is TTY, not hook mode.

Colored

Colored output but no full rich (no tables/panels). Detected when: FORCE_COLOR set but no TTY.

Plain

Plain text only, no ANSI codes. Detected when: NO_COLOR set, or no TTY and no FORCE_COLOR.

Implementations

impl OutputContext

pub fn detect() -> Self

Detect the current output context automatically.

Detection order (first match wins):

1. RCH_JSON=1 -> Machine
2. Hook invocation detection -> Hook
3. NO_COLOR set -> Plain
4. FORCE_COLOR=0 -> Plain
5. stderr is TTY -> Interactive
6. FORCE_COLOR set -> Colored
7. Default -> Plain

pub const fn plain() -> Self

Create a context that explicitly uses plain text (no colors/formatting).

pub const fn interactive() -> Self

Create a context that explicitly uses interactive mode.

pub const fn machine() -> Self

Create a context for hook/machine output.

pub const fn supports_rich(&self) -> bool

Can we use full rich output (tables, panels, etc)?

pub const fn supports_color(&self) -> bool

Can we use ANSI color codes?

pub const fn is_machine(&self) -> bool

Is this machine-readable output mode?

pub const fn is_decorated(&self) -> bool

Should we output ANYTHING decorative?

pub fn supports_unicode(&self) -> bool

Can we use Unicode characters (box drawing, etc)?

Checks locale environment variables for UTF-8 support.

Trait Implementations

impl Clone for OutputContext

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for OutputContext

impl Debug for OutputContext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for OutputContext

fn default() -> Self

Returns the “default value” for a type.

impl Display for OutputContext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for OutputContext

impl PartialEq for OutputContext

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for OutputContext