155 lines
4.4 KiB
Rust
155 lines
4.4 KiB
Rust
//! Namespace of a datapack
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use crate::{
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util::{
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compile::{CompileOptions, FunctionCompilerState, MutCompilerState},
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pack_format, ExtendableQueue,
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},
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virtual_fs::VFolder,
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};
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use super::{
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function::Function,
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tag::{Tag, TagType},
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};
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use std::{
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collections::{HashMap, VecDeque},
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ops::RangeInclusive,
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};
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/// Namespace of a datapack
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub struct Namespace {
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name: String,
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functions: HashMap<String, Function>,
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tags: HashMap<(String, TagType), Tag>,
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}
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impl Namespace {
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/// Create a new namespace.
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pub(in crate::datapack) fn new(name: &str) -> Self {
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Self {
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name: name.to_string(),
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functions: HashMap::new(),
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tags: HashMap::new(),
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}
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}
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/// Get the name of the namespace.
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#[must_use]
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pub fn get_name(&self) -> &str {
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&self.name
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}
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/// Get the functions of the namespace.
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#[must_use]
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pub fn get_functions(&self) -> &HashMap<String, Function> {
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&self.functions
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}
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/// Get the tags of the namespace.
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#[must_use]
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pub fn get_tags(&self) -> &HashMap<(String, TagType), Tag> {
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&self.tags
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}
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/// Get a function by name.
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#[must_use]
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pub fn function(&self, name: &str) -> Option<&Function> {
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self.functions.get(name)
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}
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/// Mutably get a function by name or create a new one if it doesn't exist.
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#[must_use]
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pub fn function_mut(&mut self, name: &str) -> &mut Function {
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self.functions
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.entry(name.to_string())
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.or_insert_with(|| Function::new(&self.name, name))
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}
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/// Get a tag by name and type.
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#[must_use]
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pub fn tag(&self, name: &str, tag_type: TagType) -> Option<&Tag> {
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self.tags.get(&(name.to_string(), tag_type))
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}
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/// Mutably get a tag by name and type or create a new one if it doesn't exist.
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#[must_use]
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pub fn tag_mut(&mut self, name: &str, tag_type: TagType) -> &mut Tag {
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self.tags
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.entry((name.to_string(), tag_type))
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.or_insert_with(|| Tag::new(false))
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}
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/// Compile the namespace into a virtual folder.
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#[tracing::instrument(level = "debug", skip_all)]
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pub fn compile(&self, options: &CompileOptions, state: &MutCompilerState) -> VFolder {
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tracing::debug!("Compiling namespace");
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let mut root_folder = VFolder::new();
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// collect functions
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let functions = self
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.functions
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.iter()
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.map(|(name, content)| (name.clone(), content.clone()))
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.collect::<VecDeque<_>>();
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// compile all functions, allow adding new functions while compiling
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let mut functions = ExtendableQueue::from(functions);
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while let Some((path, function)) = functions.next() {
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let function_state = FunctionCompilerState::new(&path, &self.name, functions.clone());
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root_folder.add_file(
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&format!(
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"{directory_name}/{path}.mcfunction",
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directory_name = pack_format::function_directory_name(options.pack_format)
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),
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function.compile(options, state, &function_state),
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);
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}
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// compile tags
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for ((path, tag_type), tag) in &self.tags {
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let vfile = tag.compile(options, state);
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root_folder.add_file(
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&format!(
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"tags/{tag_directory}/{path}.json",
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tag_directory = tag_type.get_directory_name(options.pack_format)
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),
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vfile,
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);
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}
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root_folder
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}
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/// Check whether the namespace is valid with the given pack format.
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#[must_use]
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pub fn validate(&self, pack_formats: &RangeInclusive<u8>) -> bool {
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self.functions
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.values()
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.all(|function| function.validate(pack_formats))
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_namespace() {
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let mut namespace = Namespace::new("foo");
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assert_eq!(namespace.get_name(), "foo");
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assert_eq!(namespace.get_functions().len(), 0);
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assert_eq!(namespace.get_tags().len(), 0);
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let _ = namespace.function_mut("bar");
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assert_eq!(namespace.get_functions().len(), 1);
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assert!(namespace.function("bar").is_some());
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assert!(namespace.function("baz").is_none());
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}
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}
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