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51 lines
1.6 KiB
51 lines
1.6 KiB
use std::fs;
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use std::io::Read;
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use nom::Err::{Error as NomError, Failure as NomFailure};
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use crate::parsers::bnd;
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use crate::unpackers::errors::{self as unpackers_errors, UnpackError};
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/// Extract BND file contents to disk.
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///
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/// Wraps around `extract_bnd` to load the BND from disk.
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pub fn extract_bnd_file(bnd_path: &str, output_path: &str) -> Result<(), UnpackError> {
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// let bnd = load_bnd_file(bnd_path)?;
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// extract_bnd(bnd, output_path)?;
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Ok(())
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}
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/// Extract BND contents to disk.
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pub fn extract_bnd(bnd: bnd::Bnd, output_path: &str) -> Result<(), UnpackError> {
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//TODO
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//let mut output_file = fs::File::create(output_path)?;
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//output_file.write_all(&decomp_data)?;
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Ok(())
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}
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/// Load a BND file from disk.
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///
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/// Wraps around `load_bnd` to load the BND from disk.
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pub fn load_bnd_file(bnd_path: &str) -> Result<bnd::Bnd, UnpackError> {
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let mut bnd_file = fs::File::open(bnd_path)?;
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let file_len = bnd_file.metadata()?.len() as usize;
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let mut bnd_data = vec![0u8; file_len];
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bnd_file.read_exact(&mut bnd_data)?;
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load_bnd(&bnd_data)
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}
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/// Load a BND file from a bytes slice.
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pub fn load_bnd(bnd_data: &[u8]) -> Result<bnd::Bnd, UnpackError> {
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let (_, bnd) = match bnd::parse(bnd_data) {
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Ok(result) => { result }
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Err(NomError(e)) | Err(NomFailure(e)) => {
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let reason = unpackers_errors::get_nom_error_reason(e.1);
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return Err(UnpackError::Parsing("BND parsing failed: ".to_owned() + &reason))
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}
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e => {
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return Err(UnpackError::Unknown(format!("Unknown error: {:?}", e)))
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}
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};
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Ok(bnd)
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}
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