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//
// Copyright (c) 2020-2021 science+computing ag and other contributors
//
// This program and the accompanying materials are made
// available under the terms of the Eclipse Public License 2.0
// which is available at https://www.eclipse.org/legal/epl-2.0/
//
// SPDX-License-Identifier: EPL-2.0
//
use std::borrow::Borrow;
use std::collections::BTreeMap;
use anyhow::anyhow;
use anyhow::Context;
use anyhow::Result;
use handlebars::Handlebars;
use crate::config::Configuration;
use crate::package::Package;
use crate::package::ScriptBuilder;
use crate::package::Shebang;
pub struct PackagePrintFlags {
pub print_all: bool,
pub print_runtime_deps: bool,
pub print_build_deps: bool,
pub print_sources: bool,
pub print_dependencies: bool,
pub print_patches: bool,
pub print_env: bool,
pub print_flags: bool,
pub print_allowed_images: bool,
pub print_denied_images: bool,
pub print_phases: bool,
pub print_script: bool,
pub script_line_numbers: bool,
pub script_highlighting: bool,
}
impl PackagePrintFlags {
// Helper to check whether any of the CLI args requested one of these flags.
//
// The print_build_deps and print_runtime_deps as well as the script_highlighting and
// script_line_numbers is not included, because these only modify what to print and not whether
// to print.
fn print_any(&self) -> bool {
self.print_all || {
self.print_sources
|| self.print_dependencies
|| self.print_patches
|| self.print_env
|| self.print_flags
|| self.print_allowed_images
|| self.print_denied_images
|| self.print_phases
|| self.print_script
}
}
}
pub trait PreparePrintable<'a>
where Self: Borrow<Package> + Sized
{
fn prepare_print(self, config: &'a Configuration, flags: &'a PackagePrintFlags, handlebars: &'a Handlebars<'a>, i: usize) -> PreparePrintPackage<'a, Self>;
}
impl<'a, P> PreparePrintable<'a> for P
where P: Borrow<Package>
{
fn prepare_print(self, config: &'a Configuration, flags: &'a PackagePrintFlags, handlebars: &'a Handlebars<'a>, i: usize) -> PreparePrintPackage<'a, P> {
PreparePrintPackage {
package: self,
config,
flags,
handlebars,
i,
}
}
}
pub struct PreparePrintPackage<'a, P: Borrow<Package>> {
package: P,
config: &'a Configuration,
flags: &'a PackagePrintFlags,
handlebars: &'a Handlebars<'a>,
i: usize,
}
pub fn handlebars_for_package_printing(format: &str) -> Result<Handlebars> {
let mut hb = Handlebars::new();
hb.register_escape_fn(handlebars::no_escape);
hb.register_template_string("package", format)?;
Ok(hb)
}
impl<'a, P: Borrow<Package>> PreparePrintPackage<'a, P> {
pub fn into_displayable(self) -> Result<PrintablePackage> {
let script = ScriptBuilder::new(&Shebang::from(self.config.shebang().clone())).build(
self.package.borrow(),
self.config.available_phases(),
*self.config.strict_script_interpolation(),
).context("Rendering script for printing it failed")?;
let script = crate::ui::script_to_printable(
&script,
self.flags.script_highlighting,
self.config
.script_highlight_theme()
.as_ref()
.ok_or_else(|| anyhow!("Highlighting for script enabled, but no theme configured"))?,
self.flags.script_line_numbers,
)?;
let mut data = BTreeMap::new();
data.insert("i", serde_json::Value::Number(serde_json::Number::from(self.i)));
data.insert("p", serde_json::to_value(self.package.borrow())?);
data.insert("script", serde_json::Value::String(script));
data.insert("print_any", serde_json::Value::Bool(self.flags.print_any()));
data.insert(
"print_runtime_deps",
serde_json::Value::Bool(self.flags.print_runtime_deps),
);
data.insert(
"print_build_deps",
serde_json::Value::Bool(self.flags.print_build_deps),
);
data.insert(
"print_sources",
serde_json::Value::Bool(self.flags.print_all || self.flags.print_sources),
);
data.insert(
"print_dependencies",
serde_json::Value::Bool(self.flags.print_all || self.flags.print_dependencies),
);
data.insert(
"print_patches",
serde_json::Value::Bool(self.flags.print_all || self.flags.print_patches),
);
data.insert(
"print_env",
serde_json::Value::Bool(self.flags.print_all || self.flags.print_env),
);
data.insert(
"print_flags",
serde_json::Value::Bool(self.flags.print_all || self.flags.print_flags),
);
data.insert(
"print_allowed_images",
serde_json::Value::Bool(self.flags.print_all || self.flags.print_allowed_images),
);
data.insert(
"print_denied_images",
serde_json::Value::Bool(self.flags.print_all || self.flags.print_denied_images),
);
data.insert(
"print_phases",
serde_json::Value::Bool(self.flags.print_all || self.flags.print_phases),
);
data.insert(
"print_script",
serde_json::Value::Bool(self.flags.print_all || self.flags.print_script),
);
let string = self.handlebars.render("package", &data)?;
Ok(PrintablePackage { string })
}
}
pub struct PrintablePackage { string: String }
impl std::fmt::Display for PrintablePackage {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.string)
}
}
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