Struct CqlColorizer 

pub struct CqlColorizer {
    enabled: bool,
}

CQL syntax colorizer using ANSI escape codes.

Fields

enabled: bool

Implementations

impl CqlColorizer

pub fn new(enabled: bool) -> Self

Create a new colorizer. If enabled is false, all methods return input unchanged.

pub fn is_enabled(&self) -> bool

Returns whether colorization is enabled.

pub fn colorize_value(&self, value: &CqlValue) -> String

Colorize a CQL result value matching Python cqlsh’s color scheme.

Color mapping:

• Text/Ascii → yellow bold
• Numeric/boolean/uuid/timestamp/date/time/duration/inet → green bold
• Blob → dark magenta (non-bold)
• Null → red bold
• Collection delimiters → blue bold, inner values colored by type

pub fn colorize_header(&self, name: &str) -> String

Colorize a column header (magenta bold, matching Python cqlsh default).

pub fn colorize_error(&self, msg: &str) -> String

Colorize an error message (red bold, matching Python cqlsh).

pub fn colorize_warning(&self, msg: &str) -> String

Colorize a warning message (red bold, matching Python cqlsh).

pub fn colorize_trace_label(&self, label: &str) -> String

Colorize the “Tracing session:” label (magenta bold).

pub fn colorize_cluster_name(&self, name: &str) -> String

Colorize the cluster name in the welcome message (blue bold).

fn colorize_value_inner(&self, value: &CqlValue) -> String

Inner recursive value colorizer.

fn colorize_collection_element(&self, value: &CqlValue) -> String

Colorize an element inside a collection, quoting strings like Display does.

pub fn colorize_line(&self, line: &str) -> String

Colorize a line of CQL input for display.

Applies colors:

• CQL keywords → bold blue
• String literals (‘…’) → green
• Numbers → cyan
• Comments (– …) → dark grey