diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
commit | 4f9fe856a25ab29345b90e7725509e9ee38a37be (patch) | |
tree | e4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /vendor/toml-0.5.9/examples | |
parent | Adding upstream version 1.68.2+dfsg1. (diff) | |
download | rustc-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.rs | 54 | ||||
-rw-r--r-- | vendor/toml-0.5.9/examples/enum_external.rs | 45 | ||||
-rw-r--r-- | vendor/toml-0.5.9/examples/toml2json.rs | 47 |
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()), + } +} |