Files
rojo/server/src/commands/build.rs
2019-01-14 18:21:01 -08:00

131 lines
3.7 KiB
Rust

use std::{
path::PathBuf,
fs::File,
io,
};
use failure::Fail;
use crate::{
rbx_session::construct_oneoff_tree,
project::{Project, ProjectLoadFuzzyError},
imfs::Imfs,
};
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum OutputKind {
Rbxmx,
Rbxlx,
Rbxm,
Rbxl,
}
fn detect_output_kind(options: &BuildOptions) -> Option<OutputKind> {
let extension = options.output_file.extension()?.to_str()?;
match extension {
"rbxlx" => Some(OutputKind::Rbxlx),
"rbxmx" => Some(OutputKind::Rbxmx),
"rbxl" => Some(OutputKind::Rbxl),
"rbxm" => Some(OutputKind::Rbxm),
_ => None,
}
}
#[derive(Debug)]
pub struct BuildOptions {
pub fuzzy_project_path: PathBuf,
pub output_file: PathBuf,
pub output_kind: Option<OutputKind>,
}
#[derive(Debug, Fail)]
pub enum BuildError {
#[fail(display = "Could not detect what kind of file to create")]
UnknownOutputKind,
#[fail(display = "Project load error: {}", _0)]
ProjectLoadError(#[fail(cause)] ProjectLoadFuzzyError),
#[fail(display = "IO error: {}", _0)]
IoError(#[fail(cause)] io::Error),
#[fail(display = "XML model file error")]
XmlModelEncodeError(rbx_xml::EncodeError),
#[fail(display = "Binary model file error")]
BinaryModelEncodeError(rbx_binary::EncodeError)
}
impl From<ProjectLoadFuzzyError> for BuildError {
fn from(error: ProjectLoadFuzzyError) -> BuildError {
BuildError::ProjectLoadError(error)
}
}
impl From<io::Error> for BuildError {
fn from(error: io::Error) -> BuildError {
BuildError::IoError(error)
}
}
impl From<rbx_xml::EncodeError> for BuildError {
fn from(error: rbx_xml::EncodeError) -> BuildError {
BuildError::XmlModelEncodeError(error)
}
}
impl From<rbx_binary::EncodeError> for BuildError {
fn from(error: rbx_binary::EncodeError) -> BuildError {
BuildError::BinaryModelEncodeError(error)
}
}
pub fn build(options: &BuildOptions) -> Result<(), BuildError> {
let output_kind = options.output_kind
.or_else(|| detect_output_kind(options))
.ok_or(BuildError::UnknownOutputKind)?;
info!("Hoping to generate file of type {:?}", output_kind);
info!("Looking for project at {}", options.fuzzy_project_path.display());
let project = Project::load_fuzzy(&options.fuzzy_project_path)?;
info!("Found project at {}", project.file_location.display());
info!("Using project {:#?}", project);
let mut imfs = Imfs::new();
imfs.add_roots_from_project(&project)?;
let tree = construct_oneoff_tree(&project, &imfs);
let mut file = File::create(&options.output_file)?;
match output_kind {
OutputKind::Rbxmx => {
// Model files include the root instance of the tree and all its
// descendants.
let root_id = tree.get_root_id();
rbx_xml::encode(&tree, &[root_id], &mut file)?;
},
OutputKind::Rbxlx => {
// Place files don't contain an entry for the DataModel, but our
// RbxTree representation does.
let root_id = tree.get_root_id();
let top_level_ids = tree.get_instance(root_id).unwrap().get_children_ids();
rbx_xml::encode(&tree, top_level_ids, &mut file)?;
},
OutputKind::Rbxm => {
let root_id = tree.get_root_id();
rbx_binary::encode(&tree, &[root_id], &mut file)?;
},
OutputKind::Rbxl => {
let root_id = tree.get_root_id();
let top_level_ids = tree.get_instance(root_id).unwrap().get_children_ids();
rbx_binary::encode(&tree, top_level_ids, &mut file)?;
},
}
Ok(())
}