sbp2json 6.5.1

Rust native implementation of SBP (Swift Binary Protocol) to JSON conversion tools
Documentation 
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use std::fs::File;
use std::io;
use std::io::{Read, Write};
use std::path::PathBuf;

use clap::Parser;

use converters::{ErrorHandlerOptions, Result, json2sbp, jsonfields2sbp};

#[global_allocator]
static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;

/// Convert SBP JSON data to binary SBP.
#[derive(Debug, Parser)]
#[clap(name = "json2sbp", verbatim_doc_comment, version = env!("VERGEN_GIT_DESCRIBE"))]
struct Options {
    /// Path to input file
    input: Option<PathBuf>,

    /// Path to output file
    output: Option<PathBuf>,

    /// Print debugging messages to standard error
    #[clap(long)]
    debug: bool,

    /// Buffer output before flushing
    #[clap(short, long)]
    buffered: bool,

    /// What to do if encounter an error while parsing
    #[clap(long, default_value = "skip")]
    error_handler: ErrorHandlerOptions,

    /// Generate SBP from the json fields instead of the base64 encoded payload
    #[clap(long)]
    from_fields: bool,
}

fn main() -> Result<()> {
    let options: Options = Options::parse();

    let mut log_builder = env_logger::Builder::from_default_env();
    if options.debug {
        log_builder.parse_filters("debug");
    }
    log_builder.init();

    let stdin: Box<dyn Read> = match options.input {
        Some(path) => Box::new(File::open(path)?),
        _ => Box::new(io::stdin().lock()),
    };

    let stdout: Box<dyn Write> = match options.output {
        Some(path) => Box::new(File::create(path)?),
        _ => Box::new(io::stdout().lock()),
    };

    if options.from_fields {
        jsonfields2sbp(stdin, stdout, options.buffered, options.error_handler)
    } else {
        json2sbp(stdin, stdout, options.buffered, options.error_handler)
    }
}