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use crate::{BinaryOp, BooleanNetwork, FnUpdate, VariableId};
impl BooleanNetwork {
pub fn to_bnet(&self) -> Result<String, String> {
let mut model = "targets,factors\n".to_string();
for v in self.variables() {
let name = self.get_variable_name(v);
if let Some(function) = self.get_update_function(v) {
let function_string = fn_update_to_bnet_string(v, function, self)?;
let line = format!("{}, {}\n", name, function_string);
model.push_str(line.as_str());
} else {
if self.regulators(v).is_empty() {
continue;
} else {
return Err("Parametrised network cannot be converted to .bnet.".to_string());
}
}
}
Ok(model)
}
}
fn fn_update_to_bnet_string(
var: VariableId,
function: &FnUpdate,
network: &BooleanNetwork,
) -> Result<String, String> {
Ok(match function {
FnUpdate::Var(id) => network.get_variable_name(*id).clone(),
FnUpdate::Param(id, args) => {
if args.is_empty() {
network.get_parameter(*id).get_name().to_string()
} else {
return Err(
"Networks with free functions cannot be converted to .bnet.".to_string()
);
}
}
FnUpdate::Const(value) => {
let name = network.get_variable_name(var);
if *value {
format!("({} | !{})", name, name)
} else {
format!("({} & !{})", name, name)
}
}
FnUpdate::Not(inner) => {
format!("!{}", fn_update_to_bnet_string(var, inner, network)?)
}
FnUpdate::Binary(op, left, right) => {
let left = fn_update_to_bnet_string(var, left, network)?;
let right = fn_update_to_bnet_string(var, right, network)?;
match *op {
BinaryOp::And => format!("({} & {})", left, right),
BinaryOp::Or => format!("({} | {})", left, right),
BinaryOp::Imp => format!("(!{} | {})", left, right),
BinaryOp::Iff => format!("(({} & {}) | (!{} & !{}))", left, right, left, right),
BinaryOp::Xor => format!("(({} & !{}) | (!{} & {}))", left, right, left, right),
}
}
})
}
#[cfg(test)]
mod tests {
use crate::BooleanNetwork;
use std::convert::TryFrom;
#[test]
fn test_network_to_bnet() {
let model = std::fs::read_to_string("aeon_models/hmox_pathway.aeon").unwrap();
let network = BooleanNetwork::try_from(model.as_str()).unwrap();
let network_after =
BooleanNetwork::try_from_bnet(network.to_bnet().unwrap().as_str()).unwrap();
assert_eq!(network.graph.num_vars(), network_after.graph.num_vars());
for v in network.graph.variables() {
assert_eq!(
network.graph.get_variable(v),
network_after.graph.get_variable(v)
);
assert_eq!(
network.graph.regulators(v),
network_after.graph.regulators(v)
);
assert_eq!(
network.get_update_function(v),
network_after.get_update_function(v)
);
for reg in network.graph.regulators(v) {
let r1 = network.graph.find_regulation(reg, v).unwrap();
let r2 = network_after.graph.find_regulation(reg, v).unwrap();
assert_eq!(r1.regulator, r2.regulator);
assert_eq!(r1.target, r2.target);
}
}
}
}