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|
use super::visualizer::Visualizer;
use core::fmt;
use libpsi_core::{GateOp, QuantumCircuit};
pub struct HorizontalRenderer<'a> {
circuit: &'a QuantumCircuit,
}
impl<'a> HorizontalRenderer<'a> {
pub fn new(circuit: &'a QuantumCircuit) -> Self {
HorizontalRenderer { circuit }
}
}
impl<'a> Visualizer for HorizontalRenderer<'a> {
fn export(&self) -> String {
format!("{}", self)
}
}
impl<'a> fmt::Display for HorizontalRenderer<'a> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let nq = self.circuit.num_qubits();
let nc = self.circuit.num_classical();
let ops = self.circuit.operations();
let mut q_lines: Vec<String> = (0..nq).map(|i| format!("q{}: ", i)).collect();
let mut c_lines: Vec<String> = (0..nc).map(|i| format!("c{}: ", i)).collect();
let max_label = q_lines
.iter()
.chain(c_lines.iter())
.map(|s| s.len())
.max()
.unwrap_or(3);
for line in &mut q_lines {
while line.len() < max_label {
line.insert(0, ' ');
}
}
for line in &mut c_lines {
while line.len() < max_label {
line.insert(0, ' ');
}
}
let mut gap_line = " ".repeat(max_label);
if ops.is_empty() {
for line in &q_lines {
writeln!(f, "{}───░", line)?;
}
if nc > 0 {
writeln!(f, "{} ░", gap_line)?;
for line in &c_lines {
writeln!(f, "{}═══░", line)?;
}
}
return Ok(());
}
for op in ops {
let q_targets = op.quantum_targets();
let min_q = q_targets.iter().min().copied().unwrap_or(0);
let max_q = q_targets.iter().max().copied().unwrap_or(0);
match op {
GateOp::H(t) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *t {
line.push_str("─[H]─");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::X(t) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *t {
line.push_str("─[X]─");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::Y(t) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *t {
line.push_str("─[Y]─");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::Z(t) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *t {
line.push_str("─[Z]─");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::S(t) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *t {
line.push_str("─[S]─");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::T(t) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *t {
line.push_str("─[T]─");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::CNOT(c, t) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *c {
line.push_str("──●──");
} else if i == *t {
line.push_str("──⊕──");
} else if i > min_q && i < max_q {
line.push_str("──│──");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::CZ(c, t) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *c || i == *t {
line.push_str("──●──");
} else if i > min_q && i < max_q {
line.push_str("──│──");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::SWAP(a, b) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *a || i == *b {
line.push_str("──╳──");
} else if i > min_q && i < max_q {
line.push_str("──│──");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::CCNOT(c1, c2, t) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *c1 || i == *c2 {
line.push_str("──●──");
} else if i == *t {
line.push_str("──⊕──");
} else if i > min_q && i < max_q {
line.push_str("──│──");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::CSWAP(c, t1, t2) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *c {
line.push_str("──●──");
} else if i == *t1 || i == *t2 {
line.push_str("──╳──");
} else if i > min_q && i < max_q {
line.push_str("──│──");
} else {
line.push_str("─────");
}
}
for line in c_lines.iter_mut() {
line.push_str("═════");
}
gap_line.push_str(" ");
}
GateOp::Measure(q, c) => {
for (i, line) in q_lines.iter_mut().enumerate() {
if i == *q {
line.push_str("─[M]─");
} else if i > *q {
line.push_str("──║──");
} else {
line.push_str("─────");
}
}
for (i, line) in c_lines.iter_mut().enumerate() {
if i == *c {
line.push_str("══╩══");
} else if i < *c {
line.push_str("══║══");
} else {
line.push_str("═════");
}
}
gap_line.push_str(" ║ ");
}
}
}
for line in &q_lines {
writeln!(f, "{}░", line)?;
}
if nc > 0 {
writeln!(f, "{}░", gap_line)?;
for line in &c_lines {
writeln!(f, "{}░", line)?;
}
}
Ok(())
}
}
|
