mirror of
https://github.com/zaphar/ucg.git
synced 2025-07-22 18:19:54 -04:00
Jeremy Wall
6418533562
The build and validate commands now take a list of files to process. The outputs for files that specify the are given the same name as the containing file with the extension changed to the extension that the converter specifies.
73 lines
2.2 KiB
Rust
73 lines
2.2 KiB
Rust
// Copyright 2017 Jeremy Wall <jeremy@marzhillstudios.com>
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! The conversion stage of the ucg compiler.
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pub mod env;
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pub mod exec;
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pub mod flags;
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pub mod json;
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pub mod traits;
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use std::io::Write;
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use std::rc::Rc;
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use build::Val;
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/// ConverterRunner knows how to run a given converter on a Val.
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pub struct ConverterRunner {
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converter: Box<traits::Converter>,
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}
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impl ConverterRunner {
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/// new creates a new ConverterRunner with a converter for the provided output target.
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///
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/// * flags
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/// * json
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/// * env
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/// * exec
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pub fn new(typ: &str) -> Result<Self, String> {
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if typ == "flags" {
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return Ok(ConverterRunner {
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converter: Box::new(flags::FlagConverter::new()),
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});
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}
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if typ == "json" {
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return Ok(ConverterRunner {
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converter: Box::new(json::JsonConverter::new()),
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});
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}
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if typ == "env" {
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return Ok(ConverterRunner {
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converter: Box::new(env::EnvConverter::new()),
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});
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}
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if typ == "exec" {
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return Ok(ConverterRunner {
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converter: Box::new(exec::ExecConverter::new()),
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});
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}
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return Err(format!("Unknown Target output type: {}", typ));
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}
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/// convert runs the Converter on a Val and writes the output to the provided writer.
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pub fn convert(&self, v: Rc<Val>, mut w: Box<Write>) -> traits::Result {
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self.converter.convert(v, &mut w)
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}
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/// ext returns the expected file extension for this conversion.
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pub fn ext(&self) -> String {
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self.converter.file_ext()
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}
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}
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