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Add a json output mode to list-passes

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This commit is contained in:
Tad Hardesty 2018-03-11 16:17:51 -07:00
parent 690b30864b
commit 3896c2c74c
1 changed files with 43 additions and 19 deletions
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62
src/cli/main.rs
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@ -84,7 +84,11 @@ struct Opt {
enum Command {
/// Show information about the render-pass list.
#[structopt(name = "list-passes")]
ListPasses,
ListPasses {
/// Output as JSON.
#[structopt(short="j", long="json")]
json: bool,
},
/// Dump the object tree to an XML file.
#[cfg(feature="xml")]
#[structopt(name = "objtree")]
@ -162,20 +166,37 @@ enum Command {
fn run(opt: &Opt, command: &Command, context: &mut Context) {
match *command {
// --------------------------------------------------------------------
Command::ListPasses => {
println!("default passes:");
let mut non_default = Vec::new();
for pass in render_passes::RENDER_PASSES {
if pass.default {
println!("{}: {}", pass.name, pass.desc);
} else {
non_default.push(pass);
Command::ListPasses { json } => {
if json {
#[derive(Serialize)]
struct Pass<'a> {
name: &'a str,
desc: &'a str,
default: bool,
}
}
if !non_default.is_empty() {
println!("\nadditional passes:");
for pass in non_default {
println!("{}: {}", pass.name, pass.desc);
let mut report = Vec::new();
for &render_passes::RenderPassInfo {
name, desc, default, new: _,
} in render_passes::RENDER_PASSES {
report.push(Pass { name, desc, default });
}
output_json(&report);
} else {
println!("default passes:");
let mut non_default = Vec::new();
for pass in render_passes::RENDER_PASSES {
if pass.default {
println!("{}: {}", pass.name, pass.desc);
} else {
non_default.push(pass);
}
}
if !non_default.is_empty() {
println!("\nadditional passes:");
for pass in non_default {
println!("{}: {}", pass.name, pass.desc);
}
}
}
},
@ -314,7 +335,7 @@ fn run(opt: &Opt, command: &Command, context: &mut Context) {
json, ref files,
} => {
if !json {
println!("non-JSON output is not yet supported");
eprintln!("non-JSON output is not yet supported");
}
#[derive(Serialize)]
@ -336,10 +357,7 @@ fn run(opt: &Opt, command: &Command, context: &mut Context) {
num_keys: map.dictionary.len(),
});
}
let stdout = std::io::stdout();
serde_json::to_writer(stdout.lock(), &report).unwrap();
println!();
output_json(&report);
},
// --------------------------------------------------------------------
}
@ -391,3 +409,9 @@ fn clamp(val: usize, min: usize, max: usize) -> usize {
val
}
}
fn output_json<T: serde::Serialize>(t: &T) {
let stdout = std::io::stdout();
serde_json::to_writer(stdout.lock(), t).unwrap();
println!();
}