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pub use crate::err::{Error, ErrorType, FriendlyError}; use crate::proc::Processor; use crate::unit::content::process_content; use crate::spec::tag::ns::Namespace; pub use crate::cfg::Cfg; use crate::err::debug_repr; 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, Error> { let mut proc = Processor::new(code); process_content(&mut proc, cfg, Namespace::Html, None) .map_err(|error_type| Error { error_type, position: proc.read_len(), })?; proc.finish() } pub fn in_place_str<'s>(code: &'s mut str, cfg: &Cfg) -> Result<&'s str, Error> { let bytes = unsafe { code.as_bytes_mut() }; match in_place(bytes, cfg) { Ok(min_len) => Ok(unsafe { std::str::from_utf8_unchecked(&bytes[..min_len]) }), Err(e) => Err(e), } } pub fn truncate(code: &mut Vec<u8>, cfg: &Cfg) -> Result<(), Error> { 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>, Error> { let mut copy = code.to_vec(); match truncate(&mut copy, cfg) { Ok(()) => Ok(copy), Err(e) => Err(e), } } pub fn with_friendly_error(code: &mut [u8], cfg: &Cfg) -> Result<usize, FriendlyError> { in_place(code, cfg).map_err(|err| FriendlyError { position: err.position, message: err.error_type.message(), code_context: debug_repr(code, err.position as isize, -1), }) }