rsconstruct 0.9.85

Rust based fast build system
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//! protobuf generator — registered as a `SimpleGenerator` with a custom execute fn.

use anyhow::Result;
use std::process::Command;

use crate::config::StandardConfig;
use crate::graph::Product;
use crate::processors::{check_command_output, ensure_output_dir, run_command};

use crate::processors::{DiscoverMode, SimpleGenerator, SimpleGeneratorParams};

fn execute_protobuf(
    ctx: &crate::build_context::BuildContext,
    config: &StandardConfig,
    product: &Product,
) -> Result<()> {
    let input = product.primary_input();
    let output = product.primary_output();
    let output_dir = crate::processors::parent_dir(output);
    ensure_output_dir(output)?;
    let command = config.require_command("protobuf")?;
    let mut cmd = Command::new(command);
    if let Some(parent) = input.parent() {
        cmd.arg(format!("--proto_path={}", parent.display()));
    }
    cmd.arg(format!("--cpp_out={}", output_dir.display()));
    for arg in &config.args {
        cmd.arg(arg);
    }
    cmd.arg(input);
    let out = run_command(ctx, &cmd)?;
    check_command_output(&out, format_args!("protoc {}", input.display()))
}

fn create_protobuf(toml: &toml::Value) -> anyhow::Result<Box<dyn crate::processors::Processor>> {
    crate::registries::deserialize_and_create(toml, |cfg| {
        Box::new(SimpleGenerator::new(
            cfg,
            SimpleGeneratorParams {
                extra_tools: &[],
                extra_tools_fn: None,
                discover_mode: DiscoverMode::SingleFormat("pb.cc"),
                execute_fn: execute_protobuf,
                is_native: false,
            },
        ))
    })
}
inventory::submit! { crate::registries::ProcessorPlugin {
    version: 1,
    name: "protobuf", processor_type: crate::processors::ProcessorType::Generator, create: create_protobuf,
    fields: &[],
    omit_standard_fields: &[],
    scan_defaults: Some(crate::config::ScanDefaultsData { src_dirs: &[], src_extensions: &[".proto"], src_exclude_dirs: &[] }),
    defaults: Some(crate::config::ProcessorDefaults { output_dir: "out/protobuf", command: "protoc", ..crate::config::ProcessorDefaults::EMPTY }),
    defconfig_json: crate::registries::default_config_json::<crate::config::StandardConfig>,
    keywords: &["protobuf", "proto", "generator", "grpc", "serialization"],
    description: "Compile Protocol Buffer definitions",
    is_native: false,
    can_fix: false,
    supports_batch: false,
    max_jobs_cap: None,
} }