1c6f26ecaa
The bead description mentioned compile errors in hash.rs from API drift, but those errors were either already fixed or misattributed. The API usage was already correct: - compute_fingerprint already takes 3 arguments with source - len() already propagates Result with ? - read_at method already used correctly - Catalog fields accessed via trailer correctly Only cleanup: removed unused std::fs::File and std::io imports. Verification: notes/bf-4mkhv.md
101 lines
3.4 KiB
Rust
101 lines
3.4 KiB
Rust
//! Build script for pdftract-inspector-ui.
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//!
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//! This build script bundles the HTML/CSS/JS frontend for the inspector mode
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//! and validates that the gzipped bundle size stays within acceptable limits
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//! (Phase 7.9.3).
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use std::fs;
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use std::io::Write;
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/// Maximum allowed gzipped bundle size in bytes (80 KB)
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const MAX_BUNDLE_SIZE_BYTES: usize = 80 * 1024;
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fn main() {
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// Paths to frontend files
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let frontend_dir = [
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std::env::var("CARGO_MANIFEST_DIR").unwrap_or_default(),
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"static".to_string(),
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].iter()
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.collect::<std::path::PathBuf>();
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let html_path = frontend_dir.join("index.html");
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let css_path = frontend_dir.join("style.css");
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let js_path = frontend_dir.join("app.js");
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// Read all frontend files
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let html = fs::read_to_string(&html_path).unwrap_or_else(|e| {
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panic!("Failed to read {}: {}", html_path.display(), e);
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});
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let css = fs::read_to_string(&css_path).unwrap_or_else(|e| {
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panic!("Failed to read {}: {}", css_path.display(), e);
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});
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let js = fs::read_to_string(&js_path).unwrap_or_else(|e| {
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panic!("Failed to read {}: {}", js_path.display(), e);
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});
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// Concatenate into a single bundle
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let bundle = format!("{}\n{}\n{}", html, css, js);
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// Compute gzipped size
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let gzipped_bytes = gzip_compress(&bundle);
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let gzipped_size_kb = gzipped_bytes.len() as f64 / 1024.0;
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let raw_size_kb = bundle.len() as f64 / 1024.0;
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// Emit the size information to build logs
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println!("cargo:warning=Inspector frontend bundle size:");
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println!("cargo:warning= Raw: {:.2} KB", raw_size_kb);
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println!("cargo:warning= Gzipped: {:.2} KB / {} KB limit",
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gzipped_size_kb,
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MAX_BUNDLE_SIZE_BYTES / 1024);
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// Fail the build if the bundle exceeds the size limit
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if gzipped_bytes.len() > MAX_BUNDLE_SIZE_BYTES {
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let _ = writeln!(
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&mut std::io::stderr(),
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"\n\
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================================================\n\
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ERROR: Inspector frontend bundle exceeds size limit\n\
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================================================\n\
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\n\
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Bundle size: {:.2} KB\n\
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Limit: {} KB\n\
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\n\
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The inspector frontend bundle must be kept under {} KB gzipped.\n\
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This is a hard limit to keep the pdftract binary size manageable.\n\
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\n\
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To fix this:\n\
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1. Minify the HTML/CSS/JS files further\n\
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2. Remove unnecessary features or assets\n\
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3. Consider splitting the bundle into smaller chunks\n\
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\n\
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Files checked:\n\
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- {}\n\
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- {}\n\
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- {}\n\
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================================================\n",
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gzipped_size_kb,
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MAX_BUNDLE_SIZE_BYTES / 1024,
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MAX_BUNDLE_SIZE_BYTES / 1024,
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html_path.display(),
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css_path.display(),
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js_path.display()
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);
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std::process::exit(1);
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}
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// Set a cargo cfg flag for conditional compilation
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println!("cargo:rustc-cfg=inspector_bundle_valid");
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}
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/// Compress data using gzip and flate2.
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fn gzip_compress(data: &str) -> Vec<u8> {
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use flate2::write::GzEncoder;
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use flate2::Compression;
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let mut encoder = GzEncoder::new(Vec::new(), Compression::default());
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encoder.write_all(data.as_bytes()).unwrap();
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encoder.finish().unwrap()
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}
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