Files
modeling-app/rust/kcl-lib/src/execution/import.rs
Adam Chalmers 4356885aa2 Bump cargo to 1.88; 2024 edition for kcl-lib (#7618)
This is a big one because the edition changes a fair number of things.
2025-06-26 22:02:54 +00:00

501 lines
17 KiB
Rust

use std::str::FromStr;
use anyhow::Result;
use kcmc::{
ImportFile, ModelingCmd,
coord::{KITTYCAD, System},
each_cmd as mcmd,
format::InputFormat3d,
shared::FileImportFormat,
units::UnitLength,
};
use kittycad_modeling_cmds as kcmc;
use serde::{Deserialize, Serialize};
use uuid::Uuid;
use crate::{
errors::{KclError, KclErrorDetails},
execution::{
ExecState, ExecutorContext, ImportedGeometry, ModelingCmdMeta, annotations, typed_path::TypedPath,
types::UnitLen,
},
fs::FileSystem,
parsing::ast::types::{Annotation, Node},
source_range::SourceRange,
};
// Zoo co-ordinate system.
//
// * Forward: -Y
// * Up: +Z
// * Handedness: Right
pub const ZOO_COORD_SYSTEM: System = *KITTYCAD;
pub async fn import_foreign(
file_path: &TypedPath,
format: Option<InputFormat3d>,
exec_state: &mut ExecState,
ctxt: &ExecutorContext,
source_range: SourceRange,
) -> Result<PreImportedGeometry, KclError> {
// Make sure the file exists.
if !ctxt.fs.exists(file_path, source_range).await? {
return Err(KclError::new_semantic(KclErrorDetails::new(
format!("File `{}` does not exist.", file_path.display()),
vec![source_range],
)));
}
let ext_format = get_import_format_from_extension(file_path.extension().ok_or_else(|| {
KclError::new_semantic(KclErrorDetails::new(
format!("No file extension found for `{}`", file_path.display()),
vec![source_range],
))
})?)
.map_err(|e| KclError::new_semantic(KclErrorDetails::new(e.to_string(), vec![source_range])))?;
// Get the format type from the extension of the file.
let format = if let Some(format) = format {
// Validate the given format with the extension format.
validate_extension_format(ext_format, format.clone())
.map_err(|e| KclError::new_semantic(KclErrorDetails::new(e.to_string(), vec![source_range])))?;
format
} else {
ext_format
};
// Get the file contents for each file path.
let file_contents = ctxt
.fs
.read(file_path, source_range)
.await
.map_err(|e| KclError::new_semantic(KclErrorDetails::new(e.to_string(), vec![source_range])))?;
// We want the file_path to be without the parent.
let file_name = file_path.file_name().map(|p| p.to_string()).ok_or_else(|| {
KclError::new_semantic(KclErrorDetails::new(
format!("Could not get the file name from the path `{}`", file_path.display()),
vec![source_range],
))
})?;
let mut import_files = vec![kcmc::ImportFile {
path: file_name.to_string(),
data: file_contents.clone(),
}];
// In the case of a gltf importing a bin file we need to handle that! and figure out where the
// file is relative to our current file.
if let InputFormat3d::Gltf(..) = format {
// Check if the file is a binary gltf file, in that case we don't need to import the bin
// file.
if !file_contents.starts_with(b"glTF") {
let json = gltf_json::Root::from_slice(&file_contents)
.map_err(|e| KclError::new_semantic(KclErrorDetails::new(e.to_string(), vec![source_range])))?;
// Read the gltf file and check if there is a bin file.
for buffer in json.buffers.iter() {
if let Some(uri) = &buffer.uri {
if !uri.starts_with("data:") {
// We want this path relative to the file_path given.
let bin_path = file_path.parent().map(|p| p.join(uri)).ok_or_else(|| {
KclError::new_semantic(KclErrorDetails::new(
format!("Could not get the parent path of the file `{}`", file_path.display()),
vec![source_range],
))
})?;
let bin_contents = ctxt.fs.read(&bin_path, source_range).await.map_err(|e| {
KclError::new_semantic(KclErrorDetails::new(e.to_string(), vec![source_range]))
})?;
import_files.push(ImportFile {
path: uri.to_string(),
data: bin_contents,
});
}
}
}
}
}
Ok(PreImportedGeometry {
id: exec_state.next_uuid(),
source_range,
command: mcmd::ImportFiles {
files: import_files.clone(),
format,
},
})
}
pub(super) fn format_from_annotations(
annotations: &[Node<Annotation>],
path: &TypedPath,
import_source_range: SourceRange,
) -> Result<Option<InputFormat3d>, KclError> {
if annotations.is_empty() {
return Ok(None);
}
let props = annotations.iter().flat_map(|a| a.properties.as_deref().unwrap_or(&[]));
let mut result = None;
for p in props.clone() {
if p.key.name == annotations::IMPORT_FORMAT {
result = Some(
get_import_format_from_extension(annotations::expect_ident(&p.value)?).map_err(|_| {
KclError::new_semantic(KclErrorDetails::new(
format!(
"Unknown format for import, expected one of: {}",
crate::IMPORT_FILE_EXTENSIONS.join(", ")
),
vec![p.as_source_range()],
))
})?,
);
break;
}
}
let mut result = result
.or_else(|| {
path.extension()
.and_then(|ext| get_import_format_from_extension(ext).ok())
})
.ok_or(KclError::new_semantic(KclErrorDetails::new(
"Unknown or missing extension, and no specified format for imported file".to_owned(),
vec![import_source_range],
)))?;
for p in props {
match p.key.name.as_str() {
annotations::IMPORT_COORDS => {
set_coords(&mut result, annotations::expect_ident(&p.value)?, p.as_source_range())?;
}
annotations::IMPORT_LENGTH_UNIT => {
set_length_unit(&mut result, annotations::expect_ident(&p.value)?, p.as_source_range())?;
}
annotations::IMPORT_FORMAT => {}
_ => {
return Err(KclError::new_semantic(KclErrorDetails::new(
format!(
"Unexpected annotation for import, expected one of: {}, {}, {}",
annotations::IMPORT_FORMAT,
annotations::IMPORT_COORDS,
annotations::IMPORT_LENGTH_UNIT
),
vec![p.as_source_range()],
)));
}
}
}
Ok(Some(result))
}
fn set_coords(fmt: &mut InputFormat3d, coords_str: &str, source_range: SourceRange) -> Result<(), KclError> {
let mut coords = None;
for (name, val) in annotations::IMPORT_COORDS_VALUES {
if coords_str == name {
coords = Some(*val);
}
}
let Some(coords) = coords else {
return Err(KclError::new_semantic(KclErrorDetails::new(
format!(
"Unknown coordinate system: {coords_str}, expected one of: {}",
annotations::IMPORT_COORDS_VALUES
.iter()
.map(|(n, _)| *n)
.collect::<Vec<_>>()
.join(", ")
),
vec![source_range],
)));
};
match fmt {
InputFormat3d::Obj(opts) => opts.coords = coords,
InputFormat3d::Ply(opts) => opts.coords = coords,
InputFormat3d::Stl(opts) => opts.coords = coords,
_ => {
return Err(KclError::new_semantic(KclErrorDetails::new(
format!(
"`{}` option cannot be applied to the specified format",
annotations::IMPORT_COORDS
),
vec![source_range],
)));
}
}
Ok(())
}
fn set_length_unit(fmt: &mut InputFormat3d, units_str: &str, source_range: SourceRange) -> Result<(), KclError> {
let units = UnitLen::from_str(units_str, source_range)?;
match fmt {
InputFormat3d::Obj(opts) => opts.units = units.into(),
InputFormat3d::Ply(opts) => opts.units = units.into(),
InputFormat3d::Stl(opts) => opts.units = units.into(),
_ => {
return Err(KclError::new_semantic(KclErrorDetails::new(
format!(
"`{}` option cannot be applied to the specified format",
annotations::IMPORT_LENGTH_UNIT
),
vec![source_range],
)));
}
}
Ok(())
}
#[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
pub struct PreImportedGeometry {
id: Uuid,
command: mcmd::ImportFiles,
pub source_range: SourceRange,
}
pub async fn send_to_engine(
pre: PreImportedGeometry,
exec_state: &mut ExecState,
ctxt: &ExecutorContext,
) -> Result<ImportedGeometry, KclError> {
let imported_geometry = ImportedGeometry::new(
pre.id,
pre.command.files.iter().map(|f| f.path.to_string()).collect(),
vec![pre.source_range.into()],
);
exec_state
.async_modeling_cmd(
ModelingCmdMeta::with_id(ctxt, pre.source_range, pre.id),
&ModelingCmd::from(pre.command.clone()),
)
.await?;
Ok(imported_geometry)
}
/// Get the source format from the extension.
fn get_import_format_from_extension(ext: &str) -> Result<InputFormat3d> {
let format = match FileImportFormat::from_str(ext) {
Ok(format) => format,
Err(_) => {
if ext == "stp" {
FileImportFormat::Step
} else if ext == "glb" {
FileImportFormat::Gltf
} else {
anyhow::bail!(
"unknown source format for file extension: {ext}. Try setting the `--src-format` flag explicitly or use a valid format."
)
}
}
};
// Make the default units millimeters.
let ul = UnitLength::Millimeters;
// Zoo co-ordinate system.
//
// * Forward: -Y
// * Up: +Z
// * Handedness: Right
match format {
FileImportFormat::Step => Ok(InputFormat3d::Step(kcmc::format::step::import::Options {
split_closed_faces: false,
})),
FileImportFormat::Stl => Ok(InputFormat3d::Stl(kcmc::format::stl::import::Options {
coords: ZOO_COORD_SYSTEM,
units: ul,
})),
FileImportFormat::Obj => Ok(InputFormat3d::Obj(kcmc::format::obj::import::Options {
coords: ZOO_COORD_SYSTEM,
units: ul,
})),
FileImportFormat::Gltf => Ok(InputFormat3d::Gltf(kcmc::format::gltf::import::Options {})),
FileImportFormat::Ply => Ok(InputFormat3d::Ply(kcmc::format::ply::import::Options {
coords: ZOO_COORD_SYSTEM,
units: ul,
})),
FileImportFormat::Fbx => Ok(InputFormat3d::Fbx(kcmc::format::fbx::import::Options {})),
FileImportFormat::Sldprt => Ok(InputFormat3d::Sldprt(kcmc::format::sldprt::import::Options {
split_closed_faces: false,
})),
}
}
fn validate_extension_format(ext: InputFormat3d, given: InputFormat3d) -> Result<()> {
if let InputFormat3d::Stl(_) = ext {
if let InputFormat3d::Stl(_) = given {
return Ok(());
}
}
if let InputFormat3d::Obj(_) = ext {
if let InputFormat3d::Obj(_) = given {
return Ok(());
}
}
if let InputFormat3d::Ply(_) = ext {
if let InputFormat3d::Ply(_) = given {
return Ok(());
}
}
if ext == given {
return Ok(());
}
anyhow::bail!(
"The given format does not match the file extension. Expected: `{}`, Given: `{}`",
get_name_of_format(ext),
get_name_of_format(given)
)
}
fn get_name_of_format(type_: InputFormat3d) -> &'static str {
match type_ {
InputFormat3d::Fbx(_) => "fbx",
InputFormat3d::Gltf(_) => "gltf",
InputFormat3d::Obj(_) => "obj",
InputFormat3d::Ply(_) => "ply",
InputFormat3d::Sldprt(_) => "sldprt",
InputFormat3d::Step(_) => "step",
InputFormat3d::Stl(_) => "stl",
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn annotations() {
// no annotations
assert!(
format_from_annotations(&[], &TypedPath::from("../foo.txt"), SourceRange::default(),)
.unwrap()
.is_none()
);
// no format, no options
let text = "@()\nimport '../foo.gltf' as foo";
let parsed = crate::Program::parse_no_errs(text).unwrap().ast;
let attrs = parsed.body[0].get_attrs();
let fmt = format_from_annotations(attrs, &TypedPath::from("../foo.gltf"), SourceRange::default())
.unwrap()
.unwrap();
assert_eq!(
fmt,
InputFormat3d::Gltf(kittycad_modeling_cmds::format::gltf::import::Options {})
);
// format, no options
let text = "@(format = gltf)\nimport '../foo.txt' as foo";
let parsed = crate::Program::parse_no_errs(text).unwrap().ast;
let attrs = parsed.body[0].get_attrs();
let fmt = format_from_annotations(attrs, &TypedPath::from("../foo.txt"), SourceRange::default())
.unwrap()
.unwrap();
assert_eq!(
fmt,
InputFormat3d::Gltf(kittycad_modeling_cmds::format::gltf::import::Options {})
);
// format, no extension (wouldn't parse but might some day)
let fmt = format_from_annotations(attrs, &TypedPath::from("../foo"), SourceRange::default())
.unwrap()
.unwrap();
assert_eq!(
fmt,
InputFormat3d::Gltf(kittycad_modeling_cmds::format::gltf::import::Options {})
);
// format, options
let text = "@(format = obj, coords = vulkan, lengthUnit = ft)\nimport '../foo.txt' as foo";
let parsed = crate::Program::parse_no_errs(text).unwrap().ast;
let attrs = parsed.body[0].get_attrs();
let fmt = format_from_annotations(attrs, &TypedPath::from("../foo.txt"), SourceRange::default())
.unwrap()
.unwrap();
assert_eq!(
fmt,
InputFormat3d::Obj(kittycad_modeling_cmds::format::obj::import::Options {
coords: *kittycad_modeling_cmds::coord::VULKAN,
units: kittycad_modeling_cmds::units::UnitLength::Feet,
})
);
// no format, options
let text = "@(coords = vulkan, lengthUnit = ft)\nimport '../foo.obj' as foo";
let parsed = crate::Program::parse_no_errs(text).unwrap().ast;
let attrs = parsed.body[0].get_attrs();
let fmt = format_from_annotations(attrs, &TypedPath::from("../foo.obj"), SourceRange::default())
.unwrap()
.unwrap();
assert_eq!(
fmt,
InputFormat3d::Obj(kittycad_modeling_cmds::format::obj::import::Options {
coords: *kittycad_modeling_cmds::coord::VULKAN,
units: kittycad_modeling_cmds::units::UnitLength::Feet,
})
);
// err - format, options, but no options for specified format
assert_annotation_error(
"@(format = gltf, lengthUnit = ft)\nimport '../foo.txt' as foo",
"../foo.txt",
"`lengthUnit` option cannot be applied",
);
// err - no format, options, but no options for specified format
assert_annotation_error(
"@(lengthUnit = ft)\nimport '../foo.gltf' as foo",
"../foo.gltf",
"lengthUnit` option cannot be applied",
);
// err - bad option
assert_annotation_error(
"@(format = obj, coords = vulkan, lengthUni = ft)\nimport '../foo.txt' as foo",
"../foo.txt",
"Unexpected annotation",
);
// err - bad format
assert_annotation_error(
"@(format = foo)\nimport '../foo.txt' as foo",
"../foo.txt",
"Unknown format for import",
);
// err - bad coord value
assert_annotation_error(
"@(format = gltf, coords = north)\nimport '../foo.txt' as foo",
"../foo.txt",
"Unknown coordinate system",
);
// err - bad unit value
assert_annotation_error(
"@(format = gltf, lengthUnit = gallons)\nimport '../foo.txt' as foo",
"../foo.txt",
"Unexpected value for length units",
);
}
#[track_caller]
fn assert_annotation_error(src: &str, path: &str, expected: &str) {
let parsed = crate::Program::parse_no_errs(src).unwrap().ast;
let attrs = parsed.body[0].get_attrs();
let err = format_from_annotations(attrs, &TypedPath::from(path), SourceRange::default()).unwrap_err();
assert!(
err.message().contains(expected),
"Expected: `{expected}`, found `{}`",
err.message()
);
}
}