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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:41 +0000
commit4f9fe856a25ab29345b90e7725509e9ee38a37be (patch)
treee4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /vendor/toml-0.5.9/examples
parentAdding upstream version 1.68.2+dfsg1. (diff)
downloadrustc-upstream/1.69.0+dfsg1.tar.xz
rustc-upstream/1.69.0+dfsg1.zip
Adding upstream version 1.69.0+dfsg1.upstream/1.69.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/toml-0.5.9/examples')
-rw-r--r--vendor/toml-0.5.9/examples/decode.rs54
-rw-r--r--vendor/toml-0.5.9/examples/enum_external.rs45
-rw-r--r--vendor/toml-0.5.9/examples/toml2json.rs47
3 files changed, 146 insertions, 0 deletions
diff --git a/vendor/toml-0.5.9/examples/decode.rs b/vendor/toml-0.5.9/examples/decode.rs
new file mode 100644
index 000000000..256069b35
--- /dev/null
+++ b/vendor/toml-0.5.9/examples/decode.rs
@@ -0,0 +1,54 @@
+//! An example showing off the usage of `Deserialize` to automatically decode
+//! TOML into a Rust `struct`
+
+#![deny(warnings)]
+#![allow(dead_code)]
+
+use serde_derive::Deserialize;
+
+/// This is what we're going to decode into. Each field is optional, meaning
+/// that it doesn't have to be present in TOML.
+#[derive(Debug, Deserialize)]
+struct Config {
+ global_string: Option<String>,
+ global_integer: Option<u64>,
+ server: Option<ServerConfig>,
+ peers: Option<Vec<PeerConfig>>,
+}
+
+/// Sub-structs are decoded from tables, so this will decode from the `[server]`
+/// table.
+///
+/// Again, each field is optional, meaning they don't have to be present.
+#[derive(Debug, Deserialize)]
+struct ServerConfig {
+ ip: Option<String>,
+ port: Option<u64>,
+}
+
+#[derive(Debug, Deserialize)]
+struct PeerConfig {
+ ip: Option<String>,
+ port: Option<u64>,
+}
+
+fn main() {
+ let toml_str = r#"
+ global_string = "test"
+ global_integer = 5
+
+ [server]
+ ip = "127.0.0.1"
+ port = 80
+
+ [[peers]]
+ ip = "127.0.0.1"
+ port = 8080
+
+ [[peers]]
+ ip = "127.0.0.1"
+ "#;
+
+ let decoded: Config = toml::from_str(toml_str).unwrap();
+ println!("{:#?}", decoded);
+}
diff --git a/vendor/toml-0.5.9/examples/enum_external.rs b/vendor/toml-0.5.9/examples/enum_external.rs
new file mode 100644
index 000000000..7de061f61
--- /dev/null
+++ b/vendor/toml-0.5.9/examples/enum_external.rs
@@ -0,0 +1,45 @@
+//! An example showing off the usage of `Deserialize` to automatically decode
+//! TOML into a Rust `struct`, with enums.
+
+#![deny(warnings)]
+#![allow(dead_code)]
+
+use serde_derive::Deserialize;
+
+/// This is what we're going to decode into.
+#[derive(Debug, Deserialize)]
+struct Config {
+ plain: MyEnum,
+ plain_table: MyEnum,
+ tuple: MyEnum,
+ #[serde(rename = "struct")]
+ structv: MyEnum,
+ newtype: MyEnum,
+ my_enum: Vec<MyEnum>,
+}
+
+#[derive(Debug, Deserialize)]
+enum MyEnum {
+ Plain,
+ Tuple(i64, bool),
+ NewType(String),
+ Struct { value: i64 },
+}
+
+fn main() {
+ let toml_str = r#"
+ plain = "Plain"
+ plain_table = { Plain = {} }
+ tuple = { Tuple = { 0 = 123, 1 = true } }
+ struct = { Struct = { value = 123 } }
+ newtype = { NewType = "value" }
+ my_enum = [
+ { Plain = {} },
+ { Tuple = { 0 = 123, 1 = true } },
+ { NewType = "value" },
+ { Struct = { value = 123 } }
+ ]"#;
+
+ let decoded: Config = toml::from_str(toml_str).unwrap();
+ println!("{:#?}", decoded);
+}
diff --git a/vendor/toml-0.5.9/examples/toml2json.rs b/vendor/toml-0.5.9/examples/toml2json.rs
new file mode 100644
index 000000000..1b90c9fde
--- /dev/null
+++ b/vendor/toml-0.5.9/examples/toml2json.rs
@@ -0,0 +1,47 @@
+#![deny(warnings)]
+
+use std::env;
+use std::fs::File;
+use std::io;
+use std::io::prelude::*;
+
+use serde_json::Value as Json;
+use toml::Value as Toml;
+
+fn main() {
+ let mut args = env::args();
+ let mut input = String::new();
+ if args.len() > 1 {
+ let name = args.nth(1).unwrap();
+ File::open(&name)
+ .and_then(|mut f| f.read_to_string(&mut input))
+ .unwrap();
+ } else {
+ io::stdin().read_to_string(&mut input).unwrap();
+ }
+
+ match input.parse() {
+ Ok(toml) => {
+ let json = convert(toml);
+ println!("{}", serde_json::to_string_pretty(&json).unwrap());
+ }
+ Err(error) => println!("failed to parse TOML: {}", error),
+ }
+}
+
+fn convert(toml: Toml) -> Json {
+ match toml {
+ Toml::String(s) => Json::String(s),
+ Toml::Integer(i) => Json::Number(i.into()),
+ Toml::Float(f) => {
+ let n = serde_json::Number::from_f64(f).expect("float infinite and nan not allowed");
+ Json::Number(n)
+ }
+ Toml::Boolean(b) => Json::Bool(b),
+ Toml::Array(arr) => Json::Array(arr.into_iter().map(convert).collect()),
+ Toml::Table(table) => {
+ Json::Object(table.into_iter().map(|(k, v)| (k, convert(v))).collect())
+ }
+ Toml::Datetime(dt) => Json::String(dt.to_string()),
+ }
+}