mirror of
https://github.com/google/comprehensive-rust.git
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71 lines
2.4 KiB
Rust
71 lines
2.4 KiB
Rust
// Copyright 2023 Google LLC
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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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use anyhow::Context;
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use log::trace;
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use mdbook::book::Book;
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use mdbook::renderer::RenderContext;
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use mdbook::BookItem;
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use mdbook_exerciser::process;
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use std::fs::{create_dir, remove_dir_all};
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use std::io::stdin;
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use std::path::Path;
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fn main() -> anyhow::Result<()> {
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pretty_env_logger::init();
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let context = RenderContext::from_json(&mut stdin()).context("Parsing stdin")?;
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let config = context
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.config
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.get_renderer("exerciser")
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.context("Missing output.exerciser configuration")?;
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let output_directory = Path::new(
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config
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.get("output-directory")
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.context("Missing output.exerciser.output-directory configuration value")?
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.as_str()
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.context("Expected a string for output.exerciser.output-directory")?,
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);
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let _ = remove_dir_all(output_directory);
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create_dir(output_directory).with_context(|| {
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format!("Failed to create output directory {:?}", output_directory)
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})?;
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process_all(&context.book, output_directory)?;
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Ok(())
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}
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fn process_all(book: &Book, output_directory: &Path) -> anyhow::Result<()> {
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for item in book.iter() {
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if let BookItem::Chapter(chapter) = item {
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trace!("Chapter {:?} / {:?}", chapter.path, chapter.source_path);
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if let Some(chapter_path) = &chapter.path {
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// Put the exercises in a subdirectory named after the chapter file, without its
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// parent directories.
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let chapter_output_directory =
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output_directory.join(chapter_path.file_stem().with_context(
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|| format!("Chapter {:?} has no file stem", chapter_path),
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)?);
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process(&chapter_output_directory, &chapter.content)?;
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}
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}
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}
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Ok(())
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}
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