minify-html/src/lib.rs

61 lines
1.6 KiB
Rust

pub use crate::err::ErrorType as ErrorType;
use crate::proc::Processor;
use crate::unit::content::process_content;
use crate::spec::tag::ns::Namespace;
pub use crate::cfg::Cfg;
mod cfg;
mod err;
mod gen;
mod pattern;
#[macro_use]
mod proc;
mod spec;
mod tests;
mod unit;
pub fn in_place(code: &mut [u8], cfg: &Cfg) -> Result<usize, (ErrorType, usize)> {
let mut proc = Processor::new(code);
match process_content(&mut proc, cfg, Namespace::Html, None) {
Ok(()) => Ok(proc.written_len()),
Err(e) => Err((e, proc.read_len())),
}
}
pub fn truncate(code: &mut Vec<u8>, cfg: &Cfg) -> Result<(), (ErrorType, usize)> {
match in_place(code, cfg) {
Ok(written_len) => {
code.truncate(written_len);
Ok(())
}
Err(e) => Err(e),
}
}
pub fn copy(code: &[u8], cfg: &Cfg) -> Result<Vec<u8>, (ErrorType, usize)> {
let mut copy = code.to_vec();
match truncate(&mut copy, cfg) {
Ok(()) => Ok(copy),
Err(e) => Err(e),
}
}
pub struct FriendlyError {
// Make public to allow destructuring.
pub position: usize,
pub message: String,
pub code_context: String,
}
pub fn with_friendly_error(code: &mut [u8], cfg: &Cfg) -> Result<usize, FriendlyError> {
let mut proc = Processor::new(code);
match process_content(&mut proc, cfg, Namespace::Html, None) {
Ok(()) => Ok(proc.written_len()),
Err(e) => Err(FriendlyError {
position: proc.read_len(),
message: e.message(),
code_context: format!("{:?}", proc),
}),
}
}