Struct PresetParser 

pub struct PresetParser;

Parses, validates, and serializes TOML preset files.

Presets control every aspect of the compression pipeline — which stages run, how aggressive they are, token budget limits, model family, etc.

use sqz_engine::preset::PresetParser;

let toml = r#"
[preset]
name = "my-preset"
version = "1.0"

[compression]
stages = ["condense", "strip_nulls"]

[tool_selection]
max_tools = 5
similarity_threshold = 0.7

[budget]
warning_threshold = 0.70
ceiling_threshold = 0.85
default_window_size = 200000

[terse_mode]
enabled = false
level = "moderate"

[model]
family = "anthropic"
primary = "claude-sonnet-4-20250514"
complexity_threshold = 0.4
"#;

let preset = PresetParser::parse(toml).unwrap();
assert_eq!(preset.preset.name, "my-preset");

Implementations

impl PresetParser

pub fn parse(toml_str: &str) -> Result<Preset>

Parse a TOML string into a validated Preset.

pub fn to_toml(preset: &Preset) -> Result<String>

Serialize a Preset back to a pretty-printed TOML string.

pub fn validate(preset: &Preset) -> Result<()>

Validate all fields of a Preset, returning descriptive errors.