component_debug/cli/
capability.rs

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1// Copyright 2023 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use crate::capability::*;
6use anyhow::Result;
7use fidl_fuchsia_sys2 as fsys;
8
9pub async fn capability_cmd<W: std::io::Write>(
10    query: String,
11    realm_query: fsys::RealmQueryProxy,
12    mut writer: W,
13) -> Result<()> {
14    let segments = get_all_route_segments(query, &realm_query).await?;
15
16    let mut decls = vec![];
17    let mut exposes = vec![];
18    let mut offers = vec![];
19    let mut uses = vec![];
20
21    for s in segments {
22        match &s {
23            RouteSegment::DeclareBy { .. } => decls.push(s),
24            RouteSegment::ExposeBy { .. } => exposes.push(s),
25            RouteSegment::OfferBy { .. } => offers.push(s),
26            RouteSegment::UseBy { .. } => uses.push(s),
27        }
28    }
29
30    if decls.is_empty() {
31        writeln!(writer, "Declarations: None")?;
32    } else {
33        writeln!(writer, "Declarations:")?;
34        for decl in decls {
35            writeln!(writer, "  {}", decl)?;
36        }
37    }
38
39    writeln!(writer, "")?;
40
41    if exposes.is_empty() {
42        writeln!(writer, "Exposes: None")?;
43    } else {
44        writeln!(writer, "Exposes:")?;
45        for decl in exposes {
46            writeln!(writer, "  {}", decl)?;
47        }
48    }
49
50    writeln!(writer, "")?;
51
52    if offers.is_empty() {
53        writeln!(writer, "Offers: None")?;
54    } else {
55        writeln!(writer, "Offers:")?;
56        for decl in offers {
57            writeln!(writer, "  {}", decl)?;
58        }
59    }
60
61    writeln!(writer, "")?;
62
63    if uses.is_empty() {
64        writeln!(writer, "Uses: None")?;
65    } else {
66        writeln!(writer, "Uses:")?;
67        for decl in uses {
68            writeln!(writer, "  {}", decl)?;
69        }
70    }
71
72    Ok(())
73}
component_debug/cli/capability.rs

component_debug/cli/
capability.rs
