pineappl_cli 1.4.1

Read, write, and query PineAPPL grids
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use super::helpers;
use super::{GlobalConfiguration, Subcommand};
use anyhow::Result;
use clap::{Args, Parser, ValueHint};
use pineappl::boc::Kinematics;
use pineappl::subgrid::{Subgrid as _, SubgridEnum};
use prettytable::{cell, row};
use std::path::PathBuf;
use std::process::ExitCode;

#[derive(Args)]
#[group(required = true)]
struct Group {
    /// Show the subgrid type.
    #[arg(long = "type")]
    type_: bool,
    /// Show the scale node values for the given indices.
    #[arg(long, require_equals = true, value_delimiter = ',', value_name = "IDX")]
    scale: Vec<usize>,
    /// Show the x-node values for the given indices.
    #[arg(long, require_equals = true, value_delimiter = ',', value_name = "IDX")]
    x: Vec<usize>,
    /// Show grid statistics (figures are the number of entries).
    #[arg(long)]
    stats: bool,
}

/// Print information about the internal subgrid types.
#[derive(Parser)]
pub struct Opts {
    /// Path to the input grid.
    #[arg(value_hint = ValueHint::FilePath)]
    input: PathBuf,
    /// Show empty subgrids.
    #[arg(long)]
    show_empty: bool,
    #[command(flatten)]
    group: Group,
    /// Set the number of digits shown for numerical values.
    #[arg(default_value_t = 3, long)]
    digits: usize,
}

impl Subcommand for Opts {
    fn run(&self, _: &GlobalConfiguration) -> Result<ExitCode> {
        let grid = helpers::read_grid(&self.input)?;
        let mut table = helpers::create_table();
        let mut titles = row![c => "o", "b", "c"];

        if self.group.type_ {
            titles.add_cell(cell!(c->"type"));
        }
        for index in &self.group.scale {
            titles.add_cell(cell!(c->format!("scale{index}")));
        }
        for index in &self.group.x {
            titles.add_cell(cell!(c->format!("x{index}")));
        }
        if self.group.stats {
            titles.add_cell(cell!(c->"total"));
            titles.add_cell(cell!(c->"allocated"));
            titles.add_cell(cell!(c->"zeros"));
            titles.add_cell(cell!(c->"overhead"));
        }
        table.set_titles(titles);

        for ((order, bin, channel), subgrid) in grid.subgrids().indexed_iter() {
            if !self.show_empty && subgrid.is_empty() {
                continue;
            }

            let row = table.add_empty_row();

            row.add_cell(cell!(l->format!("{order}")));
            row.add_cell(cell!(l->format!("{bin}")));
            row.add_cell(cell!(l->format!("{channel}")));

            if self.group.type_ {
                row.add_cell(cell!(l->
                    match subgrid {
                        SubgridEnum::InterpSubgridV1(_) => "InterpSubgridV1",
                        SubgridEnum::EmptySubgridV1(_) => "EmptySubgridV1",
                        SubgridEnum::ImportSubgridV1(_) => "ImportSubgridV1",
                    }
                ));
            }
            for &index in &self.group.scale {
                let values: Vec<_> = grid
                    .kinematics()
                    .iter()
                    .zip(subgrid.node_values())
                    .find_map(|(kin, node_values)| {
                        matches!(kin, &Kinematics::Scale(idx) if idx == index)
                            .then_some(node_values)
                    })
                    // TODO: convert this into an error
                    .unwrap()
                    .into_iter()
                    .map(|x| format!("{:.*}", self.digits, x))
                    .collect();

                row.add_cell(cell!(l->values.join(", ")));
            }
            for &index in &self.group.x {
                let values: Vec<_> = grid
                    .kinematics()
                    .iter()
                    .zip(subgrid.node_values())
                    .find_map(|(kin, node_values)| {
                        matches!(kin, &Kinematics::X(idx) if idx == index).then_some(node_values)
                    })
                    // TODO: convert this into an error
                    .unwrap()
                    .into_iter()
                    .map(|x| format!("{:.*e}", self.digits, x))
                    .collect();

                row.add_cell(cell!(l->values.join(", ")));
            }
            if self.group.stats {
                let stats = subgrid.stats();
                row.add_cell(cell!(r->stats.total.to_string()));
                row.add_cell(cell!(r->stats.allocated.to_string()));
                row.add_cell(cell!(r->stats.zeros.to_string()));
                row.add_cell(cell!(r->stats.overhead.to_string()));
            }
        }

        table.printstd();

        Ok(ExitCode::SUCCESS)
    }
}