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svg-filters & basic parser #15

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schrottkatze merged 67 commits from schrottkatze/iowo:svg-filters into main 2024-07-08 18:29:05 +00:00
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76 changed files with 4540 additions and 113 deletions
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@ -94,6 +94,12 @@ version = "0.21.5"
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version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
[[package]] [[package]]
name = "ryu" name = "ryu"
version = "1.0.16" version = "1.0.16"
@ -641,6 +1049,12 @@ version = "0.3.7"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe" checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
[[package]]
name = "siphasher"
version = "0.3.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "38b58827f4464d87d377d175e90bf58eb00fd8716ff0a62f80356b5e61555d0d"
[[package]] [[package]]
name = "smallvec" name = "smallvec"
version = "1.11.2" version = "1.11.2"
@ -656,12 +1070,41 @@ dependencies = [
"lock_api", "lock_api",
] ]
[[package]]
name = "strip-ansi-escapes"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "55ff8ef943b384c414f54aefa961dd2bd853add74ec75e7ac74cf91dba62bcfa"
dependencies = [
"vte",
]
[[package]] [[package]]
name = "strsim" name = "strsim"
version = "0.10.0" version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623" checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
[[package]]
name = "supports-color"
version = "2.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d6398cde53adc3c4557306a96ce67b302968513830a77a95b2b17305d9719a89"
dependencies = [
"is-terminal",
"is_ci",
]
[[package]]
name = "svg-filters"
version = "0.1.0"
dependencies = [
"csscolorparser",
"indexmap",
"petgraph",
"quick-xml",
]
[[package]] [[package]]
name = "syn" name = "syn"
version = "2.0.41" version = "2.0.41"
@ -673,6 +1116,12 @@ dependencies = [
"unicode-ident", "unicode-ident",
] ]
[[package]]
name = "text-size"
version = "1.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f18aa187839b2bdb1ad2fa35ead8c4c2976b64e4363c386d45ac0f7ee85c9233"
[[package]] [[package]]
name = "thiserror" name = "thiserror"
version = "1.0.55" version = "1.0.55"
@ -742,6 +1191,26 @@ version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a" checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
[[package]]
name = "vte"
version = "0.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f5022b5fbf9407086c180e9557be968742d839e68346af7792b8592489732197"
dependencies = [
"utf8parse",
"vte_generate_state_changes",
]
[[package]]
name = "vte_generate_state_changes"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2e369bee1b05d510a7b4ed645f5faa90619e05437111783ea5848f28d97d3c2e"
dependencies = [
"proc-macro2",
"quote",
]
[[package]] [[package]]
name = "wasi" name = "wasi"
version = "0.11.0+wasi-snapshot-preview1" version = "0.11.0+wasi-snapshot-preview1"

5
Cargo.toml
View file

@ -2,13 +2,16 @@
members = [ members = [
"crates/app", "crates/app",
"crates/eval", "crates/eval",
"crates/ir", "crates/ir",
"crates/lang",
"crates/svg-filters",
] ]
resolver = "2" resolver = "2"
[workspace.dependencies] [workspace.dependencies]
clap = { version = "4", features = ["derive"] } clap = { version = "4", features = ["derive"] }
serde = { version = "1.0", features = ["derive"] } serde = { version = "1.0", features = ["derive"] }
petgraph = "0.6.4"
# to enable all the lints below, this must be present in a workspace member's Cargo.toml: # to enable all the lints below, this must be present in a workspace member's Cargo.toml:
# [lints] # [lints]

1
crates/app/Cargo.toml
View file

@ -2,6 +2,7 @@
name = "app" name = "app"
version = "0.1.0" version = "0.1.0"
edition = "2021" edition = "2021"
default-run = "app"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

18
crates/app/src/config/config_file.rs
View file

@ -5,7 +5,9 @@ use std::{
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use super::error::Config; use crate::error_reporting::{report_serde_json_err, report_serde_ron_err};
use super::error::{self, Config};
#[derive(Debug, Serialize, Deserialize)] #[derive(Debug, Serialize, Deserialize)]
pub struct Configs { pub struct Configs {
@ -40,14 +42,20 @@ pub(super) fn find_config_file() -> Result<PathBuf, Config> {
} }
impl Configs { impl Configs {
pub fn read(p: PathBuf) -> Result<Self, Config> { pub fn read(p: PathBuf) -> Result<Self, error::Config> {
match p match p
.extension() .extension()
.map(|v| v.to_str().expect("config path to be UTF-8")) .map(|v| v.to_str().expect("config path to be UTF-8"))
{ {
Some("ron") => Ok(serde_json::from_str(&fs::read_to_string(p)?)?), Some("ron") => {
Some("json") => Ok(ron::from_str(&fs::read_to_string(p)?)?), let f = fs::read_to_string(p)?;
e => Err(Config::UnknownExtension(e.map(str::to_owned))), ron::from_str(&f).or_else(|e| report_serde_ron_err(&f, &e))
}
Some("json") => {
let f = fs::read_to_string(p)?;
serde_json::from_str(&f).or_else(|e| report_serde_json_err(&f, &e))
}
e => Err(error::Config::UnknownExtension(e.map(str::to_owned))),
} }
} }
} }

2
crates/app/src/error_reporting.rs
View file

@ -25,7 +25,7 @@ fn report_serde_err(src: &str, line: usize, col: usize, msg: String) -> ! {
.finish() .finish()
.eprint(("test", Source::from(src))) .eprint(("test", Source::from(src)))
.expect("writing error to stderr failed"); .expect("writing error to stderr failed");
process::exit(1); process::exit(1)
} }
/// Reconstruct a byte offset from the line + column numbers typical from serde crates /// Reconstruct a byte offset from the line + column numbers typical from serde crates

25
crates/lang/Cargo.toml Normal file
View file

@ -0,0 +1,25 @@
[package]
name = "lang"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
logos = "0.14"
petgraph = { workspace = true}
indexmap = "2.2.6"
clap = { version = "4", features = ["derive"] }
ariadne = "0.4.0"
ego-tree = "0.6.2"
rowan = "0.15.15"
drop_bomb = "0.1.5"
enumset = "1.1.3"
indoc = "2"
dashmap = "5.5.3"
crossbeam = "0.8.4"
owo-colors = {version = "4", features = ["supports-colors"]}
strip-ansi-escapes = "0.2.0"
[lints]
workspace = true

80
crates/lang/src/ast.rs Normal file
View file

@ -0,0 +1,80 @@
use crate::lst_parser::syntax_kind::SyntaxKind::*;
use crate::SyntaxNode;
use rowan::Language;
// Heavily modified version of https://github.com/rust-analyzer/rowan/blob/e2d2e93e16c5104b136d0bc738a0d48346922200/examples/s_expressions.rs#L250-L266
macro_rules! ast_nodes {
($($ast:ident, $kind:ident);+) => {
$(
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
#[repr(transparent)]
pub struct $ast(SyntaxNode);
impl rowan::ast::AstNode for $ast {
type Language = crate::Lang;
fn can_cast(kind: <Self::Language as Language>::Kind) -> bool {
kind == $kind
}
fn cast(node: SyntaxNode) -> Option<Self> {
if node.kind() == $kind {
Some(Self(node))
} else {
None
}
}
fn syntax(&self) -> &SyntaxNode {
&self.0
}
}
)+
};
}
ast_nodes!(
Def, DEF;
DefName, DEF_NAME;
DefBody, DEF_BODY;
Mod, MODULE;
ModName, MODULE_NAME;
ModBody, MODULE_BODY;
Use, USE;
UsePat, USE_PAT;
PatItem, PAT_ITEM;
PatGlob, PAT_GLOB;
PatGroup, PAT_GROUP;
Literal, LITERAL;
IntLit, INT_NUM;
FloatLit, FLOAT_NUM;
StringLit, STRING;
Matrix, MATRIX;
MatrixRow, MAT_ROW;
Vector, VEC;
List, LIST;
CollectionItem, COLLECTION_ITEM;
ParenthesizedExpr, PARENTHESIZED_EXPR;
Expression, EXPR;
Pipeline, PIPELINE;
Instruction, INSTR;
InstructionName, INSTR_NAME;
InstructionParams, INSTR_PARAMS;
AttributeSet, ATTR_SET;
Attribute, ATTR;
AttributeName, ATTR_NAME;
AttributeValue, ATTR_VALUE;
ParseError, PARSE_ERR;
LexError, LEX_ERR;
Root, ROOT;
Eof, EOF
);

25
crates/lang/src/lib.rs Normal file
View file

@ -0,0 +1,25 @@
#![feature(type_alias_impl_trait, lint_reasons, box_into_inner)]
use crate::lst_parser::syntax_kind::SyntaxKind;
pub mod ast;
pub mod lst_parser;
pub mod world;
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub enum Lang {}
impl rowan::Language for Lang {
type Kind = SyntaxKind;
#[allow(unsafe_code)]
fn kind_from_raw(raw: rowan::SyntaxKind) -> Self::Kind {
assert!(raw.0 <= SyntaxKind::ROOT as u16);
unsafe { std::mem::transmute::<u16, SyntaxKind>(raw.0) }
}
fn kind_to_raw(kind: Self::Kind) -> rowan::SyntaxKind {
kind.into()
}
}
pub type SyntaxNode = rowan::SyntaxNode<Lang>;
pub type SyntaxToken = rowan::SyntaxNode<Lang>;
pub type SyntaxElement = rowan::NodeOrToken<SyntaxNode, SyntaxToken>;

169
crates/lang/src/lst_parser.rs Normal file
View file

@ -0,0 +1,169 @@
use drop_bomb::DropBomb;
use self::{
error::SyntaxError,
events::{Event, NodeKind},
input::Input,
syntax_kind::SyntaxKind,
};
use std::cell::Cell;
pub mod syntax_kind;
#[cfg(test)]
mod tests;
pub mod error;
pub mod events;
pub mod grammar;
pub mod input;
pub mod output;
const PARSER_STEP_LIMIT: u32 = 4096;
pub struct Parser<'src, 'toks> {
input: Input<'src, 'toks>,
pos: usize,
events: Vec<Event>,
steps: Cell<u32>,
}
impl<'src, 'toks> Parser<'src, 'toks> {
pub fn new(input: Input<'src, 'toks>) -> Self {
Self {
input,
pos: 0,
events: Vec::new(),
steps: Cell::new(0),
}
}
pub fn finish(self) -> Vec<Event> {
self.events
}
pub(crate) fn nth(&self, n: usize) -> SyntaxKind {
self.step();
self.input.kind(self.pos + n)
}
pub fn eat_succeeding_ws(&mut self) {
self.push_ev(Event::Eat {
count: self.input.meaningless_tail_len(),
});
}
pub(crate) fn current(&self) -> SyntaxKind {
self.step();
self.input.kind(self.pos)
}
pub(crate) fn start(&mut self, name: &str) -> Marker {
let pos = self.events.len();
self.push_ev(Event::tombstone());
Marker::new(pos, name)
}
pub(crate) fn at(&self, kind: SyntaxKind) -> bool {
self.nth_at(0, kind)
}
pub(crate) fn eat(&mut self, kind: SyntaxKind) -> bool {
if !self.at(kind) {
return false;
}
self.do_bump();
true
}
pub(crate) fn nth_at(&self, n: usize, kind: SyntaxKind) -> bool {
self.nth(n) == kind
}
fn do_bump(&mut self) {
self.push_ev(Event::Eat {
count: self.input.preceding_meaningless(self.pos),
});
self.pos += 1;
}
fn push_ev(&mut self, event: Event) {
self.events.push(event)
}
fn step(&self) {
let steps = self.steps.get();
assert!(steps <= PARSER_STEP_LIMIT, "the parser seems stuck...");
self.steps.set(steps + 1);
}
}
pub(crate) struct Marker {
pos: usize,
bomb: DropBomb,
}
impl Marker {
pub(crate) fn new(pos: usize, name: &str) -> Self {
Self {
pos,
bomb: DropBomb::new(format!("Marker {name} must be completed or abandoned")),
}
}
fn close_node(mut self, p: &mut Parser, kind: NodeKind) -> CompletedMarker {
self.bomb.defuse();
match &mut p.events[self.pos] {
Event::Start { kind: slot, .. } => *slot = kind.clone(),
_ => unreachable!(),
}
p.push_ev(Event::Finish);
CompletedMarker {
pos: self.pos,
kind,
}
}
pub(crate) fn complete(self, p: &mut Parser<'_, '_>, kind: SyntaxKind) -> CompletedMarker {
self.close_node(p, NodeKind::Syntax(kind))
}
pub(crate) fn error(self, p: &mut Parser, kind: SyntaxError) -> CompletedMarker {
self.close_node(p, NodeKind::Error(kind))
}
pub(crate) fn abandon(mut self, p: &mut Parser<'_, '_>) {
self.bomb.defuse();
if self.pos == p.events.len() - 1 {
match p.events.pop() {
Some(Event::Start {
kind: NodeKind::Syntax(SyntaxKind::TOMBSTONE),
forward_parent: None,
}) => (),
_ => unreachable!(),
}
}
}
}
pub(crate) struct CompletedMarker {
pos: usize,
kind: NodeKind,
}
impl CompletedMarker {
pub(crate) fn precede(self, p: &mut Parser<'_, '_>, name: &str) -> Marker {
let new_pos = p.start(name);
match &mut p.events[self.pos] {
Event::Start { forward_parent, .. } => {
*forward_parent = Some(new_pos.pos - self.pos);
}
_ => unreachable!(),
}
new_pos
}
}

15
crates/lang/src/lst_parser/error.rs Normal file
View file

@ -0,0 +1,15 @@
use crate::lst_parser::syntax_kind::SyntaxKind;
#[derive(Debug, PartialEq, Eq, Clone)]
pub enum SyntaxError {
Expected(Vec<SyntaxKind>),
PipelineNeedsSink,
// if there was two space seperated items in a list
SpaceSepInList,
SemicolonInList,
CommaInMatOrVec,
UnterminatedTopLevelItem,
UnclosedModuleBody,
UnfinishedPath,
PathSepContainsSemicolon,
}

70
crates/lang/src/lst_parser/events.rs Normal file
View file

@ -0,0 +1,70 @@
use crate::lst_parser::syntax_kind::SyntaxKind;
use super::error::SyntaxError;
#[derive(Debug)]
pub enum Event {
Start {
kind: NodeKind,
forward_parent: Option<usize>,
},
Finish,
Eat {
count: usize,
},
}
#[derive(Debug, Clone, PartialEq)]
pub enum NodeKind {
Syntax(SyntaxKind),
Error(SyntaxError),
}
impl NodeKind {
pub fn is_syntax(&self) -> bool {
matches!(self, Self::Syntax(_))
}
pub fn is_error(&self) -> bool {
matches!(self, Self::Error(_))
}
}
impl From<SyntaxKind> for NodeKind {
fn from(value: SyntaxKind) -> Self {
NodeKind::Syntax(value)
}
}
impl From<SyntaxError> for NodeKind {
fn from(value: SyntaxError) -> Self {
NodeKind::Error(value)
}
}
impl PartialEq<SyntaxKind> for NodeKind {
fn eq(&self, other: &SyntaxKind) -> bool {
match self {
NodeKind::Syntax(s) => s == other,
NodeKind::Error(_) => false,
}
}
}
impl PartialEq<SyntaxError> for NodeKind {
fn eq(&self, other: &SyntaxError) -> bool {
match self {
NodeKind::Syntax(_) => false,
NodeKind::Error(e) => e == other,
}
}
}
impl Event {
pub(crate) fn tombstone() -> Self {
Self::Start {
kind: SyntaxKind::TOMBSTONE.into(),
forward_parent: None,
}
}
}

38
crates/lang/src/lst_parser/grammar.rs Normal file
View file

@ -0,0 +1,38 @@
use std::fmt::Debug;
use crate::lst_parser::syntax_kind::SyntaxKind::*;
use self::module::{mod_body, top_level_item};
use super::{
input::Input,
output::Output,
syntax_kind::{self, lex},
Parser,
};
mod expression;
mod module;
pub fn source_file(p: &mut Parser) {
let root = p.start("root");
mod_body(p);
// expression::expression(p, false);
p.eat_succeeding_ws();
root.complete(p, ROOT);
}
fn check_parser(input: &str, parser_fn: fn(&mut Parser), output: &str) {
let toks = lex(input);
let mut parser = Parser::new(Input::new(&toks));
parser_fn(&mut parser);
let p_out = dbg!(parser.finish());
let o = Output::from_parser_output(toks, p_out);
let s = strip_ansi_escapes::strip_str(format!("{o:?}"));
assert_eq!(&s, output);
}

44
crates/lang/src/lst_parser/grammar/expression.rs Normal file
View file

@ -0,0 +1,44 @@
use crate::lst_parser::{error::SyntaxError, syntax_kind::SyntaxKind::*, CompletedMarker, Parser};
use self::{collection::collection, instruction::instr, lit::literal, pipeline::PIPES};
mod collection;
mod instruction;
mod lit;
mod pipeline;
pub fn expression(p: &mut Parser, in_pipe: bool) -> Option<CompletedMarker> {
let expr = p.start("expr");
if atom(p).or_else(|| instr(p)).is_none() {
expr.abandon(p);
return None;
}
let r = expr.complete(p, EXPR);
if PIPES.contains(p.current()) && !in_pipe {
pipeline::pipeline(p, r)
} else {
Some(r)
}
}
pub fn atom(p: &mut Parser) -> Option<CompletedMarker> {
literal(p)
.or_else(|| collection(p))
.or_else(|| parenthesized_expr(p))
}
pub fn parenthesized_expr(p: &mut Parser) -> Option<CompletedMarker> {
if p.eat(L_PAREN) {
let par_expr = p.start("parenthesized");
expression(p, false);
if !p.eat(R_PAREN) {
return Some(par_expr.error(p, SyntaxError::Expected(vec![R_PAREN])));
}
return Some(par_expr.complete(p, PARENTHESIZED_EXPR));
}
None
}

25
crates/lang/src/lst_parser/grammar/expression/collection.rs Normal file
View file

@ -0,0 +1,25 @@
use enumset::enum_set;
use crate::lst_parser::{
syntax_kind::{SyntaxKind::*, TokenSet},
CompletedMarker, Parser,
};
use self::{attr_set::attr_set, vec::vec_matrix_list};
mod attr_set;
mod vec;
const COLLECTION_START: TokenSet = enum_set!(L_BRACK | L_BRACE);
pub fn collection(p: &mut Parser) -> Option<CompletedMarker> {
if !COLLECTION_START.contains(p.current()) {
return None;
}
Some(match p.current() {
L_BRACK => vec_matrix_list(p),
L_BRACE => attr_set(p),
_ => unreachable!(),
})
}

45
crates/lang/src/lst_parser/grammar/expression/collection/attr_set.rs Normal file
View file

@ -0,0 +1,45 @@
use crate::lst_parser::{
error::SyntaxError,
grammar::expression::{atom, expression},
CompletedMarker, Marker, Parser,
SyntaxKind::*,
};
pub fn attr_set(p: &mut Parser) -> CompletedMarker {
let start = p.start("attr_set_start");
assert!(p.eat(L_BRACE));
loop {
if attr(p).is_some() {
// TODO: handle others
if p.eat(COMMA) {
continue;
} else if p.eat(R_BRACE) {
return start.complete(p, ATTR_SET);
}
// TODO: check for newline and stuff following that for recov of others
} else if p.eat(R_BRACE) {
return start.complete(p, ATTR_SET);
}
}
}
fn attr(p: &mut Parser) -> Option<CompletedMarker> {
if p.at(IDENT) {
let attr_start = p.start("attr");
let attr_name_start = p.start("attr_name");
p.do_bump();
attr_name_start.complete(p, ATTR_NAME);
// TODO: handle comma, expr/atom, other
p.eat(COLON);
// TODO: handle failed expr parser too
let attr_value = p.start("attr_value");
let _ = expression(p, false);
attr_value.complete(p, ATTR_VALUE);
Some(attr_start.complete(p, ATTR))
} else {
None
}
}

97
crates/lang/src/lst_parser/grammar/expression/collection/vec.rs Normal file
View file

@ -0,0 +1,97 @@
use crate::lst_parser::{
error::SyntaxError, grammar::expression::atom, CompletedMarker, Marker, Parser, SyntaxKind::*,
};
pub fn vec_matrix_list(p: &mut Parser) -> CompletedMarker {
let start = p.start("vec_matrix_list_start");
assert!(p.eat(L_BRACK));
let row_start = p.start("matrix_row_start");
if let Some(item) = atom(p) {
item.precede(p, "coll_item_start")
.complete(p, COLLECTION_ITEM);
if p.at(COMMA) {
row_start.abandon(p);
return finish_list(p, start);
}
finish_mat_or_vec(p, start, row_start)
} else if p.eat(R_BRACK) {
row_start.abandon(p);
start.complete(p, LIST)
} else {
row_start.abandon(p);
start.error(p, SyntaxError::Expected(vec![EXPR, R_BRACK]))
}
}
fn finish_list(p: &mut Parser, list_start: Marker) -> CompletedMarker {
loop {
if p.eat(COMMA) {
if let Some(item) = atom(p) {
item.precede(p, "coll_item_start")
.complete(p, COLLECTION_ITEM);
} else if p.eat(R_BRACK) {
return list_start.complete(p, LIST);
}
} else if p.eat(R_BRACK) {
return list_start.complete(p, LIST);
} else if let Some(item) = atom(p) {
item.precede(p, "next_item")
.complete(p, COLLECTION_ITEM)
.precede(p, "err_space_sep")
.error(p, SyntaxError::SpaceSepInList);
} else if p.at(SEMICOLON) {
let semi_err = p.start("semicolon_err");
p.eat(SEMICOLON);
semi_err.error(p, SyntaxError::SemicolonInList);
if let Some(item) = atom(p) {
item.precede(p, "coll_item_start")
.complete(p, COLLECTION_ITEM);
} else if p.eat(R_BRACK) {
return list_start.complete(p, LIST);
}
}
}
}
// TODO: handle commas, general other wrong toks
fn finish_mat_or_vec(p: &mut Parser, coll_start: Marker, mut row_start: Marker) -> CompletedMarker {
let mut is_matrix = false;
let mut row_item_count = 1;
loop {
if let Some(item) = atom(p) {
item.precede(p, "coll_item_start")
.complete(p, COLLECTION_ITEM);
row_item_count += 1;
} else if p.at(SEMICOLON) {
is_matrix = true;
row_start.complete(p, MAT_ROW);
p.eat(SEMICOLON);
row_start = p.start("matrix_row_start");
row_item_count = 0;
} else if p.at(R_BRACK) {
if is_matrix && row_item_count == 0 {
row_start.abandon(p);
p.eat(R_BRACK);
return coll_start.complete(p, MATRIX);
} else if is_matrix {
row_start.complete(p, MAT_ROW);
p.eat(R_BRACK);
return coll_start.complete(p, MATRIX);
} else {
row_start.abandon(p);
p.eat(R_BRACK);
return coll_start.complete(p, VEC);
}
} else if p.at(COMMA) {
let err_unexpected_comma = p.start("err_unexpected_comma");
p.do_bump();
err_unexpected_comma.error(p, SyntaxError::CommaInMatOrVec);
} else {
let err_unexpected = p.start("err_unexpected_tok");
p.do_bump();
err_unexpected.error(p, SyntaxError::Expected(vec![EXPR, SEMICOLON, R_BRACK]));
}
}
}

34
crates/lang/src/lst_parser/grammar/expression/instruction.rs Normal file
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use crate::lst_parser::{syntax_kind::SyntaxKind::*, CompletedMarker, Parser};
use super::{atom, lit::literal};
pub fn instr(p: &mut Parser) -> Option<CompletedMarker> {
if !p.at(IDENT) {
return None;
}
let instr = p.start("instr");
instr_name(p);
instr_params(p);
Some(instr.complete(p, INSTR))
}
fn instr_name(p: &mut Parser) {
let instr_name = p.start("instr_name");
while p.at(IDENT) {
p.do_bump();
}
instr_name.complete(p, INSTR_NAME);
}
fn instr_params(p: &mut Parser) {
if let Some(start) = atom(p) {
while atom(p).is_some() {}
start.precede(p, "params_start").complete(p, INSTR_PARAMS);
}
}

59
crates/lang/src/lst_parser/grammar/expression/lit.rs Normal file
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use enumset::enum_set;
use indoc::indoc;
use crate::lst_parser::{
grammar::check_parser,
syntax_kind::{SyntaxKind::*, TokenSet},
CompletedMarker, Parser,
};
const LIT_TOKENS: TokenSet = enum_set!(INT_NUM | FLOAT_NUM | STRING);
pub fn literal(p: &mut Parser) -> Option<CompletedMarker> {
if !LIT_TOKENS.contains(p.current()) {
return None;
}
let lit = p.start("lit");
p.do_bump();
Some(lit.complete(p, LITERAL))
}
#[test]
fn test_parse_lst_lit() {
check_parser(
"42",
|p| {
literal(p);
},
indoc! {r#"
LITERAL {
INT_NUM "42";
}
"#},
);
check_parser(
"3.14",
|p| {
literal(p);
},
indoc! {r#"
LITERAL {
FLOAT_NUM "3.14";
}
"#},
);
check_parser(
r#""Meow""#,
|p| {
literal(p);
},
indoc! {r#"
LITERAL {
STRING "\"Meow\"";
}
"#},
);
}

36
crates/lang/src/lst_parser/grammar/expression/pipeline.rs Normal file
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use enumset::enum_set;
use crate::lst_parser::{
error::SyntaxError,
syntax_kind::{SyntaxKind::*, TokenSet},
CompletedMarker, Parser,
};
use super::expression;
pub fn pipeline(p: &mut Parser, start_expr: CompletedMarker) -> Option<CompletedMarker> {
if !pipe(p) {
return Some(start_expr);
}
let pipeline_marker = start_expr.precede(p, "pipeline_start");
loop {
if expression(p, true).is_none() {
return Some(pipeline_marker.error(p, SyntaxError::PipelineNeedsSink));
}
if !pipe(p) {
return Some(pipeline_marker.complete(p, PIPELINE));
}
}
}
pub const PIPES: TokenSet = enum_set!(PIPE | MAPPING_PIPE | NULL_PIPE);
fn pipe(p: &mut Parser) -> bool {
if PIPES.contains(p.current()) {
p.do_bump();
true
} else {
false
}
}

191
crates/lang/src/lst_parser/grammar/module.rs Normal file
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use enumset::enum_set;
use crate::lst_parser::{
error::SyntaxError,
grammar::expression::expression,
syntax_kind::{SyntaxKind::*, TokenSet},
CompletedMarker, Parser,
};
const TOP_LEVEL_ITEM_START: TokenSet = enum_set!(DEF_KW | MOD_KW | USE_KW);
pub fn mod_body(p: &mut Parser) {
loop {
if top_level_item(p).is_none() {
break;
}
}
}
fn mod_decl(p: &mut Parser) -> Option<CompletedMarker> {
let mod_start = p.start("module");
if !p.eat(MOD_KW) {
mod_start.abandon(p);
return None;
}
let mod_name = p.start("module_name");
if p.eat(IDENT) {
mod_name.complete(p, MODULE_NAME);
} else {
mod_name.error(p, SyntaxError::Expected(vec![IDENT]));
}
let mod_body_marker = p.start("mod_body");
if p.eat(SEMICOLON) {
mod_body_marker.abandon(p);
Some(mod_start.complete(p, MODULE))
} else if p.eat(L_BRACE) {
mod_body(p);
if !p.eat(R_BRACE) {
mod_body_marker
.complete(p, MODULE_BODY)
.precede(p, "unclosed_mod_body_err")
.error(p, SyntaxError::UnclosedModuleBody);
} else {
mod_body_marker.complete(p, MODULE_BODY);
}
Some(mod_start.complete(p, MODULE))
} else {
Some(mod_start.error(p, SyntaxError::Expected(vec![MODULE_BODY])))
}
}
pub fn top_level_item(p: &mut Parser) -> Option<CompletedMarker> {
if !TOP_LEVEL_ITEM_START.contains(p.current()) {
return None;
}
def(p).or_else(|| mod_decl(p)).or_else(|| r#use(p))
}
fn def(p: &mut Parser) -> Option<CompletedMarker> {
let def_start = p.start("top_level_def");
if !p.eat(DEF_KW) {
def_start.abandon(p);
return None;
}
let def_name = p.start("def_name");
if p.eat(IDENT) {
def_name.complete(p, DEF_NAME);
} else {
def_name.error(p, SyntaxError::Expected(vec![IDENT]));
}
let maybe_expected_eq = p.start("maybe_expect_eq");
if !p.eat(EQ) {
maybe_expected_eq.error(p, SyntaxError::Expected(vec![EQ]));
} else {
maybe_expected_eq.abandon(p);
}
let body = p.start("def_body");
if expression(p, false).is_some() {
body.complete(p, DEF_BODY);
} else {
body.error(p, SyntaxError::Expected(vec![DEF_BODY]));
}
Some(if p.eat(SEMICOLON) {
def_start.complete(p, DEF)
} else if TOP_LEVEL_ITEM_START.contains(p.current()) || p.at(EOF) {
def_start
.complete(p, DEF)
.precede(p, "unterminated_tl_item")
.error(p, SyntaxError::UnterminatedTopLevelItem)
} else {
def_start
.complete(p, DEF)
.precede(p, "err_unexpected")
.error(p, SyntaxError::Expected(vec![SEMICOLON]))
})
}
fn r#use(p: &mut Parser) -> Option<CompletedMarker> {
let use_start = p.start("use_start");
if !p.eat(USE_KW) {
use_start.abandon(p);
return None;
}
if use_pat(p).is_none() {
p.start("expected_use_pat")
.error(p, SyntaxError::Expected(vec![USE_PAT]));
}
let use_item = use_start.complete(p, USE);
Some(if p.eat(SEMICOLON) {
use_item
} else if TOP_LEVEL_ITEM_START.contains(p.current()) || p.at(EOF) {
use_item
.precede(p, "unterminated_tl_item")
.error(p, SyntaxError::UnterminatedTopLevelItem)
} else {
use_item
.precede(p, "err_unexpected")
.error(p, SyntaxError::Expected(vec![SEMICOLON]))
})
}
fn use_pat(p: &mut Parser) -> Option<CompletedMarker> {
let use_pat_marker = p.start("use_pat");
if !p.eat(IDENT) {
return None;
}
loop {
if p.eat(PATH_SEP) {
if pat_item(p).is_none() {
break Some(use_pat_marker.error(p, SyntaxError::UnfinishedPath));
}
} else if p.at(SEMICOLON) && p.nth_at(1, COLON) {
let broken_sep = p.start("broken_path_sep");
let wrong_semi = p.start("semi_typo");
p.eat(SEMICOLON);
wrong_semi.error(p, SyntaxError::PathSepContainsSemicolon);
p.eat(COLON);
broken_sep.complete(p, PATH_SEP);
if pat_item(p).is_none() {
break Some(use_pat_marker.error(p, SyntaxError::UnfinishedPath));
}
} else if p.at(COLON) && p.nth_at(1, SEMICOLON) {
let broken_sep = p.start("broken_path_sep");
p.eat(COLON);
let wrong_semi = p.start("semi_typo");
p.eat(SEMICOLON);
wrong_semi.error(p, SyntaxError::PathSepContainsSemicolon);
broken_sep.complete(p, PATH_SEP);
if pat_item(p).is_none() {
break Some(use_pat_marker.error(p, SyntaxError::UnfinishedPath));
}
} else if p.at(SEMICOLON) && p.nth_at(1, SEMICOLON) {
let broken_sep = p.start("broken_path_sep");
p.eat(SEMICOLON);
p.eat(SEMICOLON);
broken_sep
.complete(p, PATH_SEP)
.precede(p, "semi_typo_err")
.error(p, SyntaxError::PathSepContainsSemicolon);
if pat_item(p).is_none() {
break Some(use_pat_marker.error(p, SyntaxError::UnfinishedPath));
}
} else if p.eat(SEMICOLON) {
break Some(use_pat_marker.complete(p, USE_PAT));
} else {
break Some(use_pat_marker.error(p, SyntaxError::Expected(vec![PATH_SEP, SEMICOLON])));
}
}
}
fn pat_item(p: &mut Parser) -> Option<CompletedMarker> {
let item_start = p.start("pat_item_start");
if p.eat(IDENT) {
Some(item_start.complete(p, PAT_ITEM))
} else if p.eat(STAR) {
Some(item_start.complete(p, PAT_GLOB))
} else if p.eat(L_BRACE) {
todo!("write PAT_GROUPs")
} else {
None
}
}

70
crates/lang/src/lst_parser/input.rs Normal file
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use enumset::enum_set;
use crate::lst_parser::syntax_kind::SyntaxKind;
use super::syntax_kind::TokenSet;
pub struct Input<'src, 'toks> {
raw: &'toks Vec<(SyntaxKind, &'src str)>,
/// indices of the "meaningful" tokens (not whitespace etc)
/// includes newlines because those might indeed help with finding errors
meaningful: Vec<usize>,
/// indices of newlines for the purpose of easily querying them
/// can be helpful with missing commas etc
newlines: Vec<usize>,
}
pub const MEANINGLESS_TOKS: TokenSet = enum_set!(SyntaxKind::WHITESPACE | SyntaxKind::NEWLINE);
impl<'src, 'toks> Input<'src, 'toks> {
pub fn new(raw_toks: &'toks Vec<(SyntaxKind, &'src str)>) -> Self {
let meaningful = raw_toks
.iter()
.enumerate()
.filter_map(|(i, tok)| {
if MEANINGLESS_TOKS.contains(tok.0) {
None
} else {
Some(i)
}
})
.collect();
let newlines = raw_toks
.iter()
.enumerate()
.filter_map(|(i, tok)| match tok.0 {
SyntaxKind::NEWLINE => Some(i),
_ => None,
})
.collect();
Self {
raw: raw_toks,
meaningful,
newlines,
}
}
#[allow(clippy::unwrap_used, reason = "meaningful indices cannot be invalid")]
pub(crate) fn kind(&self, idx: usize) -> SyntaxKind {
let Some(meaningful_idx) = self.meaningful.get(idx) else {
return SyntaxKind::EOF;
};
self.raw.get(*meaningful_idx).unwrap().0
}
pub(crate) fn preceding_meaningless(&self, idx: usize) -> usize {
assert!(self.meaningful.len() > idx);
if idx == 0 {
1
} else {
self.meaningful[idx] - self.meaningful[idx - 1]
}
}
pub(crate) fn meaningless_tail_len(&self) -> usize {
self.raw.len() - (self.meaningful.last().unwrap() + 1)
}
}

208
crates/lang/src/lst_parser/output.rs Normal file
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use clap::builder;
use owo_colors::{unset_override, OwoColorize};
use rowan::{GreenNode, GreenNodeBuilder, GreenNodeData, GreenTokenData, Language, NodeOrToken};
use std::mem;
use crate::{
lst_parser::{input::MEANINGLESS_TOKS, syntax_kind::SyntaxKind},
Lang, SyntaxNode,
};
use super::{
error::SyntaxError,
events::{Event, NodeKind},
};
pub struct Output {
pub green_node: GreenNode,
pub errors: Vec<SyntaxError>,
}
impl std::fmt::Debug for Output {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let mut errs: Vec<&SyntaxError> = self.errors.iter().collect();
errs.reverse();
debug_print_green_node(NodeOrToken::Node(&self.green_node), f, 0, &mut errs, false)
}
}
const INDENT_STR: &str = " ";
/// colored argument currently broken
fn debug_print_green_node(
node: NodeOrToken<&GreenNodeData, &GreenTokenData>,
f: &mut dyn std::fmt::Write,
lvl: i32,
errs: &mut Vec<&SyntaxError>,
colored: bool,
) -> std::fmt::Result {
for _ in 0..lvl {
f.write_str(INDENT_STR)?;
}
let r = match node {
NodeOrToken::Node(n) => {
let kind = Lang::kind_from_raw(node.kind());
if kind != SyntaxKind::PARSE_ERR {
writeln!(
f,
"{:?} {}",
Lang::kind_from_raw(node.kind()).bright_yellow().bold(),
"{".yellow()
)?;
} else {
let err = errs
.pop()
.expect("all error syntax nodes should correspond to an error")
.bright_red();
writeln!(
f,
"{:?}{} {err:?} {}",
kind.bright_red().bold(),
":".red(),
"{".bright_red().bold()
)?;
}
for c in n.children() {
debug_print_green_node(c, f, lvl + 1, errs, colored)?;
}
for _ in 0..lvl {
f.write_str(INDENT_STR)?;
}
if kind != SyntaxKind::PARSE_ERR {
write!(f, "{}", "}\n".yellow())
} else {
write!(f, "{}", "}\n".bright_red().bold())
}
}
NodeOrToken::Token(t) => {
let tok = Lang::kind_from_raw(t.kind());
if MEANINGLESS_TOKS.contains(tok) {
writeln!(
f,
"{:?} {:?}{}",
Lang::kind_from_raw(t.kind()).white(),
t.text().white(),
";".white()
)
} else {
writeln!(
f,
"{:?} {:?}{}",
Lang::kind_from_raw(t.kind()).bright_cyan().bold(),
t.text().green(),
";".yellow()
)
}
}
};
r
}
impl Output {
pub fn debug_colored(&self) -> String {
let mut out = String::new();
let mut errs: Vec<&SyntaxError> = self.errors.iter().collect();
errs.reverse();
let _ = debug_print_green_node(
NodeOrToken::Node(&self.green_node),
&mut out,
0,
&mut errs,
true,
);
out
}
pub fn from_parser_output(
mut raw_toks: Vec<(SyntaxKind, &str)>,
mut events: Vec<Event>,
) -> Self {
let mut builder = GreenNodeBuilder::new();
let mut fw_parents = Vec::new();
let mut errors = Vec::new();
raw_toks.reverse();
for i in 0..events.len() {
match mem::replace(&mut events[i], Event::tombstone()) {
Event::Start {
kind,
forward_parent,
} => {
if kind == SyntaxKind::TOMBSTONE && forward_parent.is_none() {
continue;
}
fw_parents.push(kind);
let mut idx = i;
let mut fp = forward_parent;
while let Some(fwd) = fp {
idx += fwd as usize;
fp = match mem::replace(&mut events[idx], Event::tombstone()) {
Event::Start {
kind,
forward_parent,
} => {
fw_parents.push(kind);
forward_parent
}
_ => unreachable!(),
}
}
// remove whitespace bc it's ugly
while let Some((SyntaxKind::WHITESPACE | SyntaxKind::NEWLINE, _)) =
raw_toks.last()
{
match events.iter_mut().find(|ev| matches!(ev, Event::Eat { .. })) {
Some(Event::Eat { count }) => *count -= 1,
_ => unreachable!(),
}
let (tok, text): (SyntaxKind, &str) = raw_toks.pop().unwrap();
builder.token(tok.into(), text);
}
for kind in fw_parents.drain(..).rev() {
match kind {
NodeKind::Syntax(kind) if kind != SyntaxKind::TOMBSTONE => {
builder.start_node(kind.into())
}
NodeKind::Error(err) => {
errors.push(err);
builder.start_node(SyntaxKind::PARSE_ERR.into())
}
_ => {}
}
}
}
Event::Finish => builder.finish_node(),
Event::Eat { count } => (0..count).for_each(|_| {
let (tok, text): (SyntaxKind, &str) = raw_toks.pop().unwrap();
builder.token(tok.into(), text);
}),
}
}
Self {
green_node: builder.finish(),
errors,
}
}
pub fn syntax(&self) -> SyntaxNode {
SyntaxNode::new_root(self.green_node.clone())
}
pub fn errors(&self) -> Vec<SyntaxError> {
self.errors.clone()
}
pub fn dissolve(self) -> (GreenNode, Vec<SyntaxError>) {
let Self { green_node, errors } = self;
(green_node, errors)
}
}

140
crates/lang/src/lst_parser/syntax_kind.rs Normal file
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use enumset::EnumSet;
use logos::Logos;
pub fn lex(src: &str) -> Vec<(SyntaxKind, &str)> {
let mut lex = SyntaxKind::lexer(src);
let mut r = Vec::new();
while let Some(tok_res) = lex.next() {
r.push((tok_res.unwrap_or(SyntaxKind::LEX_ERR), lex.slice()))
}
r
}
#[derive(enumset::EnumSetType, Logos, Debug, PartialEq, Eq, Clone, Copy, Hash, PartialOrd, Ord)]
#[repr(u16)]
#[enumset(no_super_impls)]
#[allow(non_camel_case_types)]
pub enum SyntaxKind {
#[token("def")]
DEF_KW = 0,
DEF,
DEF_NAME,
DEF_BODY,
#[token("let")]
LET_KW,
#[token("in")]
IN_KW,
LET_IN,
#[token("::")]
PATH_SEP,
#[token("mod")]
MOD_KW,
MODULE,
MODULE_NAME,
MODULE_BODY,
USE,
#[token("use")]
USE_KW,
USE_PAT,
PAT_ITEM,
PAT_GLOB,
PAT_GROUP,
#[regex("[\\d]+")]
INT_NUM,
#[regex("[+-]?([\\d]+\\.[\\d]*|[\\d]*\\.[\\d]+)")]
FLOAT_NUM,
#[regex(r#""([^"\\]|\\["\\bnfrt]|u[a-fA-F0-9]{4})*""#)]
STRING,
MATRIX,
MAT_ROW,
VEC,
LIST,
// either of a vec, a matrix or a list
COLLECTION_ITEM,
PARENTHESIZED_EXPR,
EXPR,
LITERAL,
#[token("(")]
L_PAREN,
#[token(")")]
R_PAREN,
#[token("{")]
L_BRACE,
#[token("}")]
R_BRACE,
#[token("[")]
L_BRACK,
#[token("]")]
R_BRACK,
#[token("<")]
L_ANGLE,
#[token(">")]
R_ANGLE,
#[token("+")]
PLUS,
#[token("-")]
MINUS,
#[token("*")]
STAR,
#[token("/")]
SLASH,
#[token("%")]
PERCENT,
#[token("^")]
CARET,
INSTR,
INSTR_NAME,
INSTR_PARAMS,
ATTR_SET,
ATTR,
ATTR_NAME,
ATTR_VALUE,
#[regex("[a-zA-Z_]+[a-zA-Z_\\-\\d]*")]
IDENT,
#[regex("\\$[a-zA-Z0-9_\\-]+")]
VAR,
#[regex("\\@[a-zA-Z0-9_\\-]+")]
INPUT_VAR,
#[token("$")]
DOLLAR,
#[token("@")]
AT,
#[token(",")]
COMMA,
#[token("|")]
PIPE,
#[token("@|")]
MAPPING_PIPE,
#[token("!|")]
NULL_PIPE,
PIPELINE,
#[token("=")]
EQ,
#[token(":")]
COLON,
#[token(";")]
SEMICOLON,
#[token(".")]
DOT,
#[token("!")]
BANG,
#[regex("[ \\t\\f]+")]
WHITESPACE,
#[token("\n")]
NEWLINE,
PARSE_ERR,
LEX_ERR,
ROOT,
EOF,
TOMBSTONE,
}
pub type TokenSet = EnumSet<SyntaxKind>;
impl From<SyntaxKind> for rowan::SyntaxKind {
fn from(kind: SyntaxKind) -> Self {
Self(kind as u16)
}
}

1
crates/lang/src/lst_parser/tests.rs Normal file
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29
crates/lang/src/main.rs Normal file
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use clap::Parser;
use std::{fs, path::PathBuf};
use lang::lst_parser::{self, grammar, input, output::Output, syntax_kind};
#[derive(Parser)]
struct Args {
file: PathBuf,
}
#[allow(clippy::unwrap_used)]
fn main() {
let args = Args::parse();
let n = args.file.clone();
let f = fs::read_to_string(n.clone()).expect("failed to read file");
let toks = dbg!(syntax_kind::lex(&f));
let input = input::Input::new(&toks);
let mut parser = lst_parser::Parser::new(input);
grammar::source_file(&mut parser);
let p_out = dbg!(parser.finish());
let o = Output::from_parser_output(toks, p_out);
println!("{}", o.debug_colored());
// World::new(n);
}

27
crates/lang/src/world.rs Normal file
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use std::path::Path;
use self::files::{Files, OpenFileError};
mod error;
mod files;
struct World;
impl World {
pub fn new(entry_point: &Path) -> Result<Self, WorldCreationError> {
let mut files = Files::default();
let (entry_point_id, errors) = files.add_file(entry_point)?;
todo!()
}
}
enum WorldCreationError {
FailedToOpenEntryPoint(OpenFileError),
}
impl From<OpenFileError> for WorldCreationError {
fn from(value: OpenFileError) -> Self {
Self::FailedToOpenEntryPoint(value)
}
}

10
crates/lang/src/world/error.rs Normal file
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use std::path::PathBuf;
use crate::{ast::ParseError, lst_parser::error::SyntaxError};
use super::files::{FileId, Loc, OpenFileError};
pub enum Error {
Syntax(Loc<ParseError>, SyntaxError),
OpenFileError(OpenFileError),
}

57
crates/lang/src/world/files.rs Normal file
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use std::{
collections::HashMap,
io,
path::{Path, PathBuf},
};
mod loc;
pub use loc::Loc;
use rowan::ast::AstNode;
use crate::{
ast::ParseError,
lst_parser::{self, error::SyntaxError, input, output::Output},
world::{error::Error, files::source_file::SourceFile},
};
#[derive(Default)]
pub struct Files {
inner: Vec<source_file::SourceFile>,
path_to_id_map: HashMap<PathBuf, FileId>,
}
impl Files {
pub fn add_file(&mut self, path: &Path) -> Result<(FileId, Vec<Error>), OpenFileError> {
if !path.exists() {
return Err(OpenFileError::NotFound(path.to_owned()));
}
let file_id = FileId(self.inner.len());
let (source_file, errs) = match SourceFile::open(path) {
Ok((source_file, errs)) => {
let errs = errs
.into_iter()
.map(|(ptr, err)| Error::Syntax(Loc::from_ptr(ptr, file_id), err))
.collect::<Vec<_>>();
(source_file, errs)
}
Err(e) => return Err(OpenFileError::IoError(path.to_path_buf(), e)),
};
self.inner.push(source_file);
self.path_to_id_map.insert(path.to_path_buf(), file_id);
Ok((file_id, errs))
}
}
pub enum OpenFileError {
NotFound(PathBuf),
IoError(PathBuf, std::io::Error),
}
#[derive(Copy, Clone, Debug)]
pub struct FileId(usize);
mod source_file;

29
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use rowan::ast::{AstNode, AstPtr};
use crate::Lang;
use super::FileId;
#[derive(Clone)]
pub struct Loc<N: AstNode<Language = Lang>> {
file: FileId,
syntax: AstPtr<N>,
}
impl<N: AstNode<Language = Lang>> Loc<N> {
pub fn new(node: N, file: FileId) -> Self {
Self::from_ptr(AstPtr::new(&node), file)
}
pub fn from_ptr(ptr: AstPtr<N>, file: FileId) -> Self {
Self { file, syntax: ptr }
}
pub fn file(&self) -> FileId {
self.file
}
pub fn syntax(&self) -> AstPtr<N> {
self.syntax.clone()
}
}

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crates/lang/src/world/files/source_file.rs Normal file
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use crate::lst_parser::{self, grammar, input, syntax_kind};
use crate::SyntaxNode;
use crate::lst_parser::output::Output;
use crate::lst_parser::error::SyntaxError;
use crate::ast::ParseError;
use rowan::ast::{AstNode, AstPtr};
use std::path::Path;
use std::{fs, io};
use rowan::GreenNode;
use std::path::PathBuf;
pub(crate) struct SourceFile {
pub(crate) path: PathBuf,
pub(crate) lst: rowan::GreenNode,
}
impl SourceFile {
pub(crate) fn open(p: &Path) -> io::Result<(Self, Vec<(AstPtr<ParseError>, SyntaxError)>)> {
assert!(p.exists());
let f = fs::read_to_string(p)?;
let (lst, errs) = Self::parse(f);
Ok((
Self {
path: p.to_path_buf(),
lst,
},
errs,
))
}
pub(crate) fn parse(f: String) -> (GreenNode, Vec<(AstPtr<ParseError>, SyntaxError)>) {
let toks = syntax_kind::lex(&f);
let input = input::Input::new(&toks);
let mut parser = lst_parser::Parser::new(input);
grammar::source_file(&mut parser);
let p_out = parser.finish();
let (lst, errs) = Output::from_parser_output(toks, p_out).dissolve();
(lst.clone(), Self::find_errs(lst, errs))
}
pub(crate) fn find_errs(
lst: GreenNode,
mut errs: Vec<SyntaxError>,
) -> Vec<(AstPtr<ParseError>, SyntaxError)> {
let mut out = Vec::new();
errs.reverse();
let lst = SyntaxNode::new_root(lst);
Self::find_errs_recursive(&mut out, lst, &mut errs);
out
}
pub(crate) fn find_errs_recursive(
mut out: &mut Vec<(AstPtr<ParseError>, SyntaxError)>,
lst: SyntaxNode,
mut errs: &mut Vec<SyntaxError>,
) {
lst.children()
.filter_map(|c| ParseError::cast(c))
.for_each(|e| out.push((AstPtr::new(&e), errs.pop().unwrap())));
lst.children()
.for_each(|c| Self::find_errs_recursive(out, c, errs));
}
}
#[cfg(test)]
mod tests {
use crate::world::files::source_file::SourceFile;
fn check_find_errs(input: &str, expected: &[&str]) {
let (_, errs) = SourceFile::parse(input.to_string());
let errs = errs
.into_iter()
.map(|(loc, err)| format!("{:?}@{:?}", err, loc.syntax_node_ptr().text_range()))
.collect::<Vec<String>>();
assert_eq!(
errs,
expected
.into_iter()
.map(|s| s.to_string())
.collect::<Vec<_>>()
)
}
#[test]
fn test_find_errs() {
check_find_errs(
"def meow = ;\n mod ;",
&["Expected([DEF_BODY])@11..11", "Expected([IDENT])@18..18"],
);
check_find_errs(
"def awawa = a |",
&["UnterminatedTopLevelItem@0..15", "PipelineNeedsSink@12..15"],
)
}
}

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[package]
name = "svg-filters"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
csscolorparser = "0.6.2"
indexmap = "2.2.5"
petgraph = { workspace = true }
quick-xml = { version = "0.31.0", features = ["serialize"] }
[lints]
workspace = true

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use std::{
cmp,
collections::{BTreeSet, HashMap},
fmt::Display,
io::Read,
ops::Not,
};
use indexmap::IndexMap;
use petgraph::{
algo::toposort,
graph::DiGraph,
prelude::{EdgeIndex, NodeIndex},
};
use quick_xml::ElementWriter;
use crate::{
types::{
graph::{edge::Edge, FilterGraph, NodeInput},
nodes::{primitives::WriteElement, CommonAttrs},
},
Node,
};
use self::error::CodegenError;
pub struct SvgDocument {
filters: HashMap<String, FilterGraph>,
}
impl SvgDocument {
pub fn new() -> Self {
Self {
filters: HashMap::new(),
}
}
#[allow(clippy::unwrap_used, reason = "we literally just did the insertion")]
pub fn create_filter(&mut self, id: impl ToString) -> &mut FilterGraph {
let filter = FilterGraph::new();
self.filters.insert(id.to_string(), filter);
self.filters.get_mut(&id.to_string()).unwrap()
}
pub fn generate_svg_pretty(&self) -> String {
let mut result = Vec::new();
let doc_writer = quick_xml::Writer::new_with_indent(&mut result, b' ', 2);
self.generate(doc_writer);
String::from_utf8_lossy(&result).to_string()
}
pub fn generate_svg(&self) -> String {
let mut result = Vec::new();
let doc_writer = quick_xml::Writer::new(&mut result);
self.generate(doc_writer);
String::from_utf8_lossy(&result).to_string()
}
fn generate(&self, mut doc_writer: quick_xml::Writer<&mut Vec<u8>>) {
doc_writer
.create_element("svg")
.write_inner_content(|writer| {
self.filters
.iter()
.try_fold(writer, Self::gen_filter)
.map(|_| {})
});
}
fn gen_filter<'w, 'r>(
writer: &'w mut quick_xml::Writer<&'r mut Vec<u8>>,
(id, graph): (&String, &FilterGraph),
) -> Result<&'w mut quick_xml::Writer<&'r mut Vec<u8>>, CodegenError> {
writer
.create_element("filter")
.with_attribute(("id", id.as_str()))
.write_inner_content(|writer| Self::graph_to_svg(writer, graph))
}
fn graph_to_svg(
writer: &mut quick_xml::Writer<&mut Vec<u8>>,
graph: &FilterGraph,
) -> Result<(), CodegenError> {
let sorted = toposort(&graph.dag, None).expect("no cycles allowed in a DAG");
sorted
.into_iter()
.filter_map(|node_idx| {
graph
.dag
.node_weight(node_idx)
.and_then(|node| node.primitive())
.map(|(primitive, common_attrs)| (node_idx, primitive, common_attrs))
})
.try_fold(writer, |writer, (node_idx, primitive, common_attrs)| {
primitive.element_writer(
writer,
*common_attrs,
graph
.inputs(node_idx)
.into_iter()
.map(|v| v.to_string())
.collect(),
graph
.outputs(node_idx)
.is_empty()
.not()
.then_some(format!("r{}", node_idx.index())),
)
})?;
Ok(())
}
}
/// convenience method to avoid fuckups during future changes
fn format_edge_idx(idx: EdgeIndex) -> String {
format!("edge{}", idx.index())
}
fn format_node_idx(node_idx: NodeIndex) -> String {
format!("r{}", node_idx.index())
}
mod error {
use std::{error::Error, fmt::Display};
#[derive(Debug)]
pub enum CodegenError {
QuickXmlError(quick_xml::Error),
}
impl From<quick_xml::Error> for CodegenError {
fn from(value: quick_xml::Error) -> Self {
Self::QuickXmlError(value)
}
}
impl Display for CodegenError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
CodegenError::QuickXmlError(e) => e.fmt(f),
}
}
}
impl Error for CodegenError {}
}
impl Default for SvgDocument {
fn default() -> Self {
Self::new()
}
}

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#![feature(lint_reasons)]
#[macro_use]
pub mod util {
macro_rules! gen_attr {
($name:literal = $out:expr) => {
quick_xml::events::attributes::Attribute {
key: quick_xml::name::QName($name),
value: std::borrow::Cow::from(($out).to_string().into_bytes()),
}
};
}
macro_rules! gen_attrs {
($($name:literal: $out:expr),+) => {
vec![
$(gen_attr!($name = $out)),+
]
};
($($cond:expr => $name:literal: $out:expr),+) => {
{
let mut r = Vec::new();
$(if $cond {
r.push(gen_attr!($name = $out));
})+
r
}
};
($other:ident; $($cond:expr => $name:literal: $out:expr),+) => {
$other.append(&mut gen_attrs![$($cond => $name: $out),+]);
};
}
}
pub mod codegen;
pub mod types;
pub use types::nodes::Node;
#[cfg(test)]
mod tests;

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use svg_filters::{
codegen::SvgDocument,
types::nodes::{
primitives::{
blend::BlendMode,
color_matrix::ColorMatrixType,
component_transfer::TransferFn,
displacement_map::Channel,
turbulence::{NoiseType, StitchTiles},
},
standard_input::StandardInput,
},
};
fn main() {
let mut doc = SvgDocument::new();
let f = doc.create_filter("cmyk-chromabb");
let noise = f.turbulence(0., 0.1, 2, 0, StitchTiles::Stitch, NoiseType::FractalNoise);
let noise = f.component_transfer_rgba(
noise,
TransferFn::Discrete {
table_values: vec![0., 0.2, 0.4, 0.6, 0.8, 1.],
},
TransferFn::Discrete {
table_values: vec![0., 0.2, 0.4, 0.6, 0.8, 1.],
},
TransferFn::Discrete {
table_values: vec![0., 0.2, 0.4, 0.6, 0.8, 1.],
},
TransferFn::Linear {
slope: 0.,
intercept: 0.5,
},
);
let cyan = f.color_matrix(
StandardInput::SourceGraphic,
ColorMatrixType::Matrix(Box::new([
0., 0., 0., 0., 0., //
0., 1., 0., 0., 0., //
0., 0., 1., 0., 0., //
0., 0., 0., 1., 0.,
])),
);
let cyan = f.offset(cyan, 25., 0.);
let cyan = f.displacement_map(cyan, noise, 50., Channel::R, Channel::A);
let magenta = f.color_matrix(
StandardInput::SourceGraphic,
ColorMatrixType::Matrix(Box::new([
1., 0., 0., 0., 0., //
0., 0., 0., 0., 0., //
0., 0., 1., 0., 0., //
0., 0., 0., 1., 0.,
])),
);
let magenta = f.displacement_map(magenta, noise, 50., Channel::R, Channel::A);
let magenta = f.offset(magenta, -25., 0.);
f.blend(cyan, magenta, BlendMode::Screen);
println!("{}", doc.generate_svg_pretty());
}

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mod blend;
mod color_matrix;
mod complex;
mod component_transfer;
mod displacement_map;
mod flood;
mod gaussian_blur;
mod offset;
mod turbulence;
mod composite {}
mod convolve_matrix {}
mod diffuse_lighting {}
mod image {}
mod merge {}
mod morphology {}
mod specular_lighting {}
mod tile {}

20
crates/svg-filters/src/tests/blend.rs Normal file
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use crate::{
codegen::SvgDocument,
types::nodes::{primitives::blend::BlendMode, standard_input::StandardInput},
};
#[test]
fn test_offset_blend() {
let mut doc = SvgDocument::new();
let blend = doc.create_filter("blend");
let offset0 = blend.offset(StandardInput::SourceGraphic, 100., 0.);
let offset1 = blend.offset(StandardInput::SourceGraphic, -100., 0.);
blend.blend(offset0, offset1, BlendMode::Multiply);
assert_eq!(
doc.generate_svg(),
r#"<svg><filter id="blend"><feOffset dx="-100" dy="0" in="SourceGraphic" result="r7"/><feOffset dx="100" dy="0" in="SourceGraphic" result="r6"/><feBlend mode="multiply" in="r6" in2="r7"/></filter></svg>"#
);
}

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crates/svg-filters/src/tests/color_matrix.rs Normal file
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use crate::{
codegen::SvgDocument,
types::nodes::{primitives::color_matrix::ColorMatrixType, standard_input::StandardInput},
};
#[test]
fn test_greyscale_channel_extraction() {
let mut doc = SvgDocument::new();
let greyscale = doc.create_filter("greyscale");
greyscale.color_matrix(
StandardInput::SourceGraphic,
ColorMatrixType::Matrix(Box::new([
1., 0., 0., 0., 0., //
1., 0., 0., 0., 0., //
1., 0., 0., 0., 0., //
0., 0., 0., 1., 0.,
])),
);
assert_eq!(
doc.generate_svg(),
r#"<svg><filter id="greyscale"><feColorMatrix values="1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 0" in="SourceGraphic"/></filter></svg>"#
);
}

51
crates/svg-filters/src/tests/complex.rs Normal file
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use crate::{
codegen::SvgDocument,
types::nodes::{primitives::color_matrix::ColorMatrixType, standard_input::StandardInput},
};
#[test]
fn test_chrom_abb() {
let mut doc = SvgDocument::new();
let chromabb = doc.create_filter("chromabb_gen");
let chan_r = chromabb.color_matrix(
StandardInput::SourceGraphic,
ColorMatrixType::Matrix(Box::new([
1., 0., 0., 0., 0., //
0., 0., 0., 0., 0., //
0., 0., 0., 0., 0., //
0., 0., 0., 1., 0.,
])),
);
let offset_r = chromabb.offset(chan_r, 25., 0.);
let blur_r = chromabb.gaussian_blur_xy(offset_r, 5, 0);
let chan_b = chromabb.color_matrix(
StandardInput::SourceGraphic,
ColorMatrixType::Matrix(Box::new([
0., 0., 0., 0., 0., //
0., 0., 0., 0., 0., //
0., 0., 1., 0., 0., //
0., 0., 0., 1., 0.,
])),
);
let offset_b = chromabb.offset(chan_b, -25., 0.);
let blur_b = chromabb.gaussian_blur_xy(offset_b, 5, 0);
let composite_rb = chromabb.composite_arithmetic(blur_r, blur_b, 0., 1., 1., 0.);
let chan_g = chromabb.color_matrix(
StandardInput::SourceGraphic,
ColorMatrixType::Matrix(Box::new([
0., 0., 0., 0., 0., //
0., 1., 0., 0., 0., //
0., 0., 0., 0., 0., //
0., 0., 0., 1., 0.,
])),
);
chromabb.composite_arithmetic(composite_rb, chan_g, 0., 1., 1., 0.);
assert_eq!(
doc.generate_svg(),
r#"<svg><filter id="chromabb_gen"><feColorMatrix values="0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0" in="SourceGraphic" result="r13"/><feColorMatrix values="0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0" in="SourceGraphic" result="r9"/><feOffset dx="-25" dy="0" in="r9" result="r10"/><feGaussianBlur stdDeviation="5 0" in="r10" result="r11"/><feColorMatrix values="1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0" in="SourceGraphic" result="r6"/><feOffset dx="25" dy="0" in="r6" result="r7"/><feGaussianBlur stdDeviation="5 0" in="r7" result="r8"/><feComposite operator="arithmetic" k1="0" k2="1" k3="1" k4="0" in="r8" in2="r11" result="r12"/><feComposite operator="arithmetic" k1="0" k2="1" k3="1" k4="0" in="r12" in2="r13"/></filter></svg>"#
);
}

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crates/svg-filters/src/tests/component_transfer.rs Normal file
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use crate::{
codegen::SvgDocument,
types::nodes::primitives::{
component_transfer::{ComponentTransfer, TransferFn},
FePrimitive,
},
Node,
};
#[test]
fn test_comp_trans_simple() {
let mut doc = SvgDocument::new();
let comptrans = doc.create_filter("comp_trans");
comptrans.add_node(Node::simple(FePrimitive::ComponentTransfer(
ComponentTransfer {
func_r: TransferFn::Table {
table_values: vec![0., 0.1, 0.4, 0.9],
},
func_g: TransferFn::Discrete {
table_values: vec![0.1, 0.3, 0.5, 0.7, 0.9],
},
func_b: TransferFn::Linear {
slope: 1.0,
intercept: 0.75,
},
func_a: TransferFn::Identity,
},
)));
assert_eq!(
doc.generate_svg(),
r#"<svg><filter id="comp_trans"><feComponentTransfer><feFuncR type="table" tableValues="0 0.1 0.4 0.9"/><feFuncG type="discrete" tableValues="0.1 0.3 0.5 0.7 0.9"/><feFuncB type="linear" slope="1" intercept="0.75"/><feFuncA type="identity"/></feComponentTransfer></filter></svg>"#
);
}

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crates/svg-filters/src/tests/displacement_map.rs Normal file
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use crate::{
codegen::SvgDocument,
types::nodes::{
primitives::{
displacement_map::Channel,
turbulence::{NoiseType, StitchTiles},
},
standard_input::StandardInput,
},
};
#[test]
fn test_displacement_map_simple() {
let mut doc = SvgDocument::new();
let displace = doc.create_filter("displace");
let simple_noise =
displace.turbulence(0.01, 0.01, 1, 0, StitchTiles::Stitch, NoiseType::Turbulence);
displace.displacement_map(
StandardInput::SourceGraphic,
simple_noise,
128.,
Channel::R,
Channel::R,
);
assert_eq!(
doc.generate_svg(),
r#"<svg><filter id="displace"><feTurbulence baseFrequency="0.01 0.01" stitchTiles="stitch" result="r6"/><feDisplacementMap scale="128" xChannelSelector="R" yChannelSelector="R" in="SourceGraphic" in2="r6"/></filter></svg>"#
);
}

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crates/svg-filters/src/tests/flood.rs Normal file
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use csscolorparser::Color;
use crate::codegen::SvgDocument;
#[test]
fn test_flood_simple() {
let mut doc = SvgDocument::new();
let turbdispl = doc.create_filter("noiseDisplace");
turbdispl.flood(Color::new(0.9, 0.7, 0.85, 1.), 1.);
assert_eq!(
doc.generate_svg(),
r##"<svg><filter id="noiseDisplace"><feFlood flood-color="#e6b3d9" flood-opacity="1"/></filter></svg>"##
);
}

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crates/svg-filters/src/tests/gaussian_blur.rs Normal file
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use crate::{codegen::SvgDocument, types::nodes::standard_input::StandardInput};
#[test]
fn test_simple_blur() {
let mut doc = SvgDocument::new();
let blur = doc.create_filter("blur");
blur.gaussian_blur_xy(StandardInput::SourceGraphic, 30, 30);
assert_eq!(
doc.generate_svg(),
r#"<svg><filter id="blur"><feGaussianBlur stdDeviation="30 30" in="SourceGraphic"/></filter></svg>"#
);
}

14
crates/svg-filters/src/tests/offset.rs Normal file
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use crate::{codegen::SvgDocument, types::nodes::standard_input::StandardInput};
#[test]
fn test_offset_simple() {
let mut doc = SvgDocument::new();
let offset = doc.create_filter("offset");
offset.offset(StandardInput::SourceGraphic, 25., -25.);
assert_eq!(
doc.generate_svg(),
r#"<svg><filter id="offset"><feOffset dx="25" dy="-25" in="SourceGraphic"/></filter></svg>"#
);
}

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crates/svg-filters/src/tests/turbulence.rs Normal file
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use crate::{
codegen::SvgDocument,
types::nodes::primitives::turbulence::{NoiseType, StitchTiles},
};
#[test]
fn test_simple_turbulence() {
let mut doc = SvgDocument::new();
let noise = doc.create_filter("noise");
noise.turbulence(
0.01,
0.01,
1,
0,
StitchTiles::Stitch,
NoiseType::FractalNoise,
);
assert_eq!(
doc.generate_svg(),
r#"<svg><filter id="noise"><feTurbulence baseFrequency="0.01 0.01" stitchTiles="stitch" type="fractalNoise"/></filter></svg>"#
);
}

6
crates/svg-filters/src/types.rs Normal file
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pub mod length;
pub mod nodes;
// pub mod old;
pub mod graph;

143
crates/svg-filters/src/types/graph.rs Normal file
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use std::fmt::{Debug, Display};
use petgraph::{prelude::NodeIndex, prelude::*};
use crate::Node;
use super::nodes::standard_input::StandardInput;
#[derive(Debug)]
pub struct FilterGraph {
pub dag: DiGraph<Node, ()>,
source_graphic_idx: NodeIndex,
source_alpha_idx: NodeIndex,
background_image_idx: NodeIndex,
background_alpha_idx: NodeIndex,
fill_paint_idx: NodeIndex,
stroke_paint_idx: NodeIndex,
}
impl Default for FilterGraph {
fn default() -> Self {
Self::new()
}
}
#[derive(Debug, Clone, Copy)]
pub enum NodeInput {
Standard(StandardInput),
Idx(NodeIndex),
}
impl Display for NodeInput {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
NodeInput::Standard(s) => Debug::fmt(s, f),
NodeInput::Idx(idx) => write!(f, "r{}", idx.index()),
}
}
}
impl From<StandardInput> for NodeInput {
fn from(value: StandardInput) -> Self {
Self::Standard(value)
}
}
impl From<NodeIndex> for NodeInput {
fn from(value: NodeIndex) -> Self {
Self::Idx(value)
}
}
impl FilterGraph {
pub fn new() -> Self {
let mut dag = DiGraph::new();
let source_graphic_idx = dag.add_node(Node::StdInput(StandardInput::SourceGraphic));
let source_alpha_idx = dag.add_node(Node::StdInput(StandardInput::SourceAlpha));
let background_image_idx = dag.add_node(Node::StdInput(StandardInput::BackgroundImage));
let background_alpha_idx = dag.add_node(Node::StdInput(StandardInput::BackgroundAlpha));
let fill_paint_idx = dag.add_node(Node::StdInput(StandardInput::FillPaint));
let stroke_paint_idx = dag.add_node(Node::StdInput(StandardInput::StrokePaint));
Self {
dag,
source_graphic_idx,
source_alpha_idx,
background_image_idx,
background_alpha_idx,
fill_paint_idx,
stroke_paint_idx,
}
}
pub fn add_node(&mut self, node: Node) -> NodeIndex {
self.dag.add_node(node)
}
fn resolve_input(&self, input: NodeInput) -> NodeIndex {
match input {
NodeInput::Standard(StandardInput::SourceGraphic) => self.source_graphic_idx,
NodeInput::Standard(StandardInput::SourceAlpha) => self.source_alpha_idx,
NodeInput::Standard(StandardInput::BackgroundImage) => self.background_image_idx,
NodeInput::Standard(StandardInput::BackgroundAlpha) => self.background_alpha_idx,
NodeInput::Standard(StandardInput::FillPaint) => self.fill_paint_idx,
NodeInput::Standard(StandardInput::StrokePaint) => self.stroke_paint_idx,
NodeInput::Idx(i) => i,
}
}
#[allow(
clippy::unwrap_used,
reason = "we only operate on values we know exist, so unwrapping is safe"
)]
pub fn inputs(&self, node_idx: NodeIndex) -> Vec<NodeInput> {
let mut inputs = self
.dag
.neighbors_directed(node_idx, Direction::Incoming)
.map(|input_idx| (self.dag.find_edge(input_idx, node_idx).unwrap(), input_idx))
.collect::<Vec<_>>();
inputs.sort_by(|(a, _), (b, _)| a.cmp(b));
inputs
.into_iter()
.map(
|(_, input_idx)| match self.dag.node_weight(input_idx).unwrap() {
Node::StdInput(s) => NodeInput::Standard(*s),
Node::Primitive { .. } => NodeInput::Idx(input_idx),
},
)
.collect()
}
pub fn outputs(&self, node_idx: NodeIndex) -> Vec<NodeIndex> {
self.dag
.neighbors_directed(node_idx, Direction::Outgoing)
.collect()
}
pub fn source_graphic(&self) -> NodeIndex {
self.source_graphic_idx
}
pub fn source_alpha(&self) -> NodeIndex {
self.source_alpha_idx
}
pub fn background_image(&self) -> NodeIndex {
self.background_image_idx
}
pub fn background_alpha(&self) -> NodeIndex {
self.background_alpha_idx
}
pub fn fill_paint(&self) -> NodeIndex {
self.fill_paint_idx
}
pub fn stroke_paint(&self) -> NodeIndex {
self.stroke_paint_idx
}
}
pub mod abstracted_inputs;
pub mod edge;

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use csscolorparser::Color;
use petgraph::{data::Build, prelude::NodeIndex};
use crate::{
types::nodes::primitives::{
blend::BlendMode,
color_matrix::ColorMatrixType,
component_transfer::TransferFn,
displacement_map::Channel,
turbulence::{NoiseType, StitchTiles},
},
Node,
};
use super::{FilterGraph, NodeInput};
impl FilterGraph {
pub fn color_matrix(
&mut self,
r#in: impl Into<NodeInput>,
cm_type: ColorMatrixType,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::color_matrix(cm_type));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn offset(&mut self, r#in: impl Into<NodeInput>, dx: f32, dy: f32) -> NodeIndex {
let node_idx = self.dag.add_node(Node::offset(dx, dy));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn gaussian_blur_xy(&mut self, r#in: impl Into<NodeInput>, x: u16, y: u16) -> NodeIndex {
let node_idx = self.dag.add_node(Node::gaussian_blur_xy(x, y));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn blend(
&mut self,
r#in: impl Into<NodeInput>,
in2: impl Into<NodeInput>,
mode: BlendMode,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::blend(mode));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
self.dag
.add_edge(self.resolve_input(in2.into()), node_idx, ());
node_idx
}
pub fn composite_arithmetic(
&mut self,
r#in: impl Into<NodeInput>,
in2: impl Into<NodeInput>,
k1: f32,
k2: f32,
k3: f32,
k4: f32,
) -> NodeIndex {
let node_idx = self
.dag
.add_node(Node::composite_arithmetic(k1, k2, k3, k4));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
self.dag
.add_edge(self.resolve_input(in2.into()), node_idx, ());
node_idx
}
pub fn component_transfer_rgba(
&mut self,
r#in: impl Into<NodeInput>,
r: TransferFn,
g: TransferFn,
b: TransferFn,
a: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_rgba(r, g, b, a));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_rgb(
&mut self,
r#in: impl Into<NodeInput>,
r: TransferFn,
g: TransferFn,
b: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_rgb(r, g, b));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_r(
&mut self,
r#in: impl Into<NodeInput>,
func: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_r(func));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_g(
&mut self,
r#in: impl Into<NodeInput>,
func: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_g(func));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_b(
&mut self,
r#in: impl Into<NodeInput>,
func: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_b(func));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_a(
&mut self,
r#in: impl Into<NodeInput>,
func: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_a(func));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_single(
&mut self,
r#in: impl Into<NodeInput>,
func: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_single(func));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn flood(&mut self, flood_color: Color, flood_opacity: f32) -> NodeIndex {
self.dag.add_node(Node::flood(flood_color, flood_opacity))
}
pub fn flood_opaque(&mut self, flood_color: Color) -> NodeIndex {
self.dag.add_node(Node::flood_opaque(flood_color))
}
pub fn turbulence(
&mut self,
base_freq_x: f32,
base_freq_y: f32,
num_octaves: u16,
seed: u32,
stitch_tiles: StitchTiles,
noise_type: NoiseType,
) -> NodeIndex {
self.dag.add_node(Node::turbulence(
base_freq_x,
base_freq_y,
num_octaves,
seed,
stitch_tiles,
noise_type,
))
}
pub fn displacement_map(
&mut self,
source_image: impl Into<NodeInput>,
displacement_map: impl Into<NodeInput>,
scale: f32,
x_channel: Channel,
y_channel: Channel,
) -> NodeIndex {
let node_idx = self
.dag
.add_node(Node::displacement_map(scale, x_channel, y_channel));
self.dag
.add_edge(self.resolve_input(source_image.into()), node_idx, ());
self.dag
.add_edge(self.resolve_input(displacement_map.into()), node_idx, ());
node_idx
}
}

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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Default)]
pub struct Edge {
input_idx: u8,
}
impl Edge {
pub fn new(input_idx: u8) -> Self {
Self { input_idx }
}
}
impl ToString for Edge {
fn to_string(&self) -> String {
match self.input_idx {
0 => "in".to_owned(),
n => format!("in{}", n + 1),
}
}
}

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use std::fmt::Display;
#[derive(Default, Debug, Clone, Copy)]
pub struct Length(f32, Unit);
impl Length {
pub fn is_zero(&self) -> bool {
self.0 == 0.
}
}
impl Display for Length {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}{}", self.0, self.1)
}
}
pub type Coordinate = Length;
#[derive(Default, Debug, Clone, Copy)]
pub enum Unit {
#[default]
None,
Em,
Ex,
Px,
In,
Cm,
Mm,
Pt,
Pc,
}
impl Display for Unit {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Unit::None => f.write_str(""),
Unit::Em => f.write_str("em"),
Unit::Ex => f.write_str("ex"),
Unit::Px => f.write_str("px"),
Unit::In => f.write_str("in"),
Unit::Cm => f.write_str("cm"),
Unit::Mm => f.write_str("mm"),
Unit::Pt => f.write_str("pt"),
Unit::Pc => f.write_str("pc"),
}
}
}

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use std::borrow::Cow;
use csscolorparser::Color;
use quick_xml::{events::attributes::Attribute, name::QName};
use self::{
primitives::{
blend::{Blend, BlendMode},
color_matrix::{ColorMatrix, ColorMatrixType},
component_transfer::{ComponentTransfer, TransferFn},
composite::{Composite, CompositeOperator},
displacement_map::{Channel, DisplacementMap},
flood::Flood,
gaussian_blur::GaussianBlur,
offset::Offset,
turbulence::{NoiseType, StitchTiles, Turbulence},
FePrimitive,
},
standard_input::StandardInput,
};
use super::length::{Coordinate, Length};
pub mod primitives;
pub mod standard_input;
#[derive(Debug)]
pub enum Node {
StdInput(StandardInput),
Primitive {
primitive: FePrimitive,
common_attrs: CommonAttrs,
},
}
impl Default for Node {
fn default() -> Self {
Self::StdInput(StandardInput::SourceGraphic)
}
}
#[derive(Default, Debug, Clone, Copy)]
pub struct CommonAttrs {
pub x: Coordinate,
pub y: Coordinate,
pub width: Length,
pub height: Length,
}
impl From<CommonAttrs> for Vec<Attribute<'_>> {
fn from(val: CommonAttrs) -> Self {
gen_attrs![
!val.x.is_zero() => b"x": val.x,
!val.y.is_zero() => b"y": val.y,
!val.width.is_zero() => b"width": val.width,
!val.height.is_zero() => b"height": val.height
]
}
}
impl Node {
pub fn simple(el: FePrimitive) -> Node {
Node::Primitive {
primitive: el,
common_attrs: CommonAttrs::default(),
}
}
pub fn primitive(&self) -> Option<(&FePrimitive, &CommonAttrs)> {
if let Node::Primitive {
primitive,
common_attrs,
} = self
{
Some((primitive, common_attrs))
} else {
None
}
}
pub fn input_count(&self) -> u8 {
match self {
Node::Primitive {
primitive:
FePrimitive::ColorMatrix(_)
| FePrimitive::ComponentTransfer(_)
| FePrimitive::ConvolveMatrix(_)
| FePrimitive::DiffuseLighting(_)
| FePrimitive::GaussianBlur(_)
| FePrimitive::Morphology(_)
| FePrimitive::Offset(_)
| FePrimitive::SpecularLighting(_)
| FePrimitive::Tile(_),
..
} => 1,
Node::Primitive {
primitive:
FePrimitive::Composite(_) | FePrimitive::Blend(_) | FePrimitive::DisplacementMap(_),
..
} => 2,
Node::StdInput(_)
| Node::Primitive {
primitive:
FePrimitive::Flood(_) | FePrimitive::Image(_) | FePrimitive::Turbulence(_),
..
} => 0,
Node::Primitive {
primitive: FePrimitive::Merge(_),
..
} => todo!(),
}
}
pub fn blend(mode: BlendMode) -> Self {
Self::simple(FePrimitive::Blend(Blend::new(mode)))
}
pub fn color_matrix(cm_type: ColorMatrixType) -> Self {
Self::simple(FePrimitive::ColorMatrix(ColorMatrix::new(cm_type)))
}
pub fn composite(op: CompositeOperator) -> Self {
Self::simple(FePrimitive::Composite(Composite::new(op)))
}
pub fn composite_arithmetic(k1: f32, k2: f32, k3: f32, k4: f32) -> Self {
Self::composite(CompositeOperator::Arithmetic { k1, k2, k3, k4 })
}
pub fn gaussian_blur(v: u16) -> Self {
Self::simple(FePrimitive::GaussianBlur(GaussianBlur::single(v)))
}
pub fn gaussian_blur_xy(x: u16, y: u16) -> Self {
Self::simple(FePrimitive::GaussianBlur(GaussianBlur::with_xy(x, y)))
}
pub fn offset(dx: f32, dy: f32) -> Self {
Self::simple(FePrimitive::Offset(Offset::new(dx, dy)))
}
pub fn component_transfer_rgba(
r: TransferFn,
g: TransferFn,
b: TransferFn,
a: TransferFn,
) -> Self {
Self::simple(FePrimitive::ComponentTransfer(ComponentTransfer {
func_r: r,
func_g: g,
func_b: b,
func_a: a,
}))
}
pub fn component_transfer_rgb(r: TransferFn, g: TransferFn, b: TransferFn) -> Self {
Self::component_transfer_rgba(r, g, b, TransferFn::Identity)
}
pub fn component_transfer_r(func: TransferFn) -> Self {
Self::component_transfer_rgba(
func,
TransferFn::Identity,
TransferFn::Identity,
TransferFn::Identity,
)
}
pub fn component_transfer_g(func: TransferFn) -> Self {
Self::component_transfer_rgba(
TransferFn::Identity,
func,
TransferFn::Identity,
TransferFn::Identity,
)
}
pub fn component_transfer_b(func: TransferFn) -> Self {
Self::component_transfer_rgba(
TransferFn::Identity,
TransferFn::Identity,
func,
TransferFn::Identity,
)
}
pub fn component_transfer_a(func: TransferFn) -> Self {
Self::component_transfer_rgba(
TransferFn::Identity,
TransferFn::Identity,
TransferFn::Identity,
func,
)
}
pub fn component_transfer_single(func: TransferFn) -> Self {
Self::component_transfer_rgb(func.clone(), func.clone(), func)
}
pub fn flood(flood_color: Color, flood_opacity: f32) -> Self {
Self::simple(FePrimitive::Flood(Flood {
flood_color,
flood_opacity,
}))
}
pub fn flood_opaque(flood_color: Color) -> Self {
Self::flood(flood_color, 1.)
}
pub fn turbulence(
base_freq_x: f32,
base_freq_y: f32,
num_octaves: u16,
seed: u32,
stitch_tiles: StitchTiles,
noise_type: NoiseType,
) -> Self {
Self::simple(FePrimitive::Turbulence(Turbulence {
base_frequency: (base_freq_x, base_freq_y),
num_octaves,
seed,
stitch_tiles,
noise_type,
}))
}
pub fn displacement_map(scale: f32, x_channel: Channel, y_channel: Channel) -> Self {
Self::simple(FePrimitive::DisplacementMap(DisplacementMap {
scale,
x_channel_selector: x_channel,
y_channel_selector: y_channel,
}))
}
}

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use quick_xml::{events::attributes::Attribute, ElementWriter, Writer};
use std::convert::Into;
use super::CommonAttrs;
pub mod blend;
pub mod color_matrix;
pub mod component_transfer;
pub mod composite;
pub mod convolve_matrix;
pub mod diffuse_lighting;
pub mod displacement_map;
pub mod flood;
pub mod gaussian_blur;
pub mod image;
pub mod merge;
pub mod morphology;
pub mod offset;
pub mod specular_lighting;
pub mod tile;
pub mod turbulence;
pub trait WriteElement {
fn attrs(&self) -> Vec<Attribute>;
fn tag_name(&self) -> &'static str;
fn element_writer<'writer, 'result>(
&self,
writer: &'writer mut Writer<&'result mut Vec<u8>>,
common: CommonAttrs,
inputs: Vec<String>,
output: Option<String>,
) -> quick_xml::Result<&'writer mut quick_xml::Writer<&'result mut Vec<u8>>> {
let attrs: Vec<_> = inputs
.into_iter()
.enumerate()
.map(|(i, edge)| {
(
match i {
0 => "in".to_owned(),
n => format!("in{}", n + 1),
}
.into_bytes(),
edge.into_bytes(),
)
})
.collect();
let mut el_writer = writer
.create_element(self.tag_name())
.with_attributes(Into::<Vec<Attribute<'_>>>::into(common))
.with_attributes(self.attrs())
.with_attributes(attrs.iter().map(|(k, v)| (&k[..], &v[..])));
if let Some(output) = output {
el_writer = el_writer.with_attribute(("result", output.as_str()));
}
el_writer.write_empty()
}
}
/// svg filter effects primitives
#[derive(Debug)]
pub enum FePrimitive {
Blend(blend::Blend),
ColorMatrix(color_matrix::ColorMatrix),
ComponentTransfer(component_transfer::ComponentTransfer),
Composite(composite::Composite),
ConvolveMatrix(convolve_matrix::ConvolveMatrix),
DiffuseLighting(diffuse_lighting::DiffuseLighting),
DisplacementMap(displacement_map::DisplacementMap),
Flood(flood::Flood),
GaussianBlur(gaussian_blur::GaussianBlur),
Image(image::Image),
Merge(merge::Merge),
Morphology(morphology::Morphology),
Offset(offset::Offset),
SpecularLighting(specular_lighting::SpecularLighting),
Tile(tile::Tile),
Turbulence(turbulence::Turbulence),
}
impl WriteElement for FePrimitive {
fn attrs(&self) -> std::vec::Vec<quick_xml::events::attributes::Attribute<'_>> {
match self {
FePrimitive::Blend(el) => el.attrs(),
FePrimitive::ColorMatrix(el) => el.attrs(),
FePrimitive::ComponentTransfer(el) => el.attrs(),
FePrimitive::Composite(el) => el.attrs(),
FePrimitive::GaussianBlur(el) => el.attrs(),
FePrimitive::Offset(el) => el.attrs(),
FePrimitive::Turbulence(el) => el.attrs(),
FePrimitive::DisplacementMap(el) => el.attrs(),
FePrimitive::Flood(el) => el.attrs(),
FePrimitive::Morphology(el) => el.attrs(),
FePrimitive::ConvolveMatrix(_) => todo!(),
FePrimitive::DiffuseLighting(_) => todo!(),
FePrimitive::Image(_) => todo!(),
FePrimitive::Merge(_) => todo!(),
FePrimitive::SpecularLighting(_) => todo!(),
FePrimitive::Tile(_) => todo!(),
}
}
fn tag_name(&self) -> &'static str {
match self {
FePrimitive::Blend(el) => el.tag_name(),
FePrimitive::ColorMatrix(el) => el.tag_name(),
FePrimitive::ComponentTransfer(el) => el.tag_name(),
FePrimitive::Composite(el) => el.tag_name(),
FePrimitive::GaussianBlur(el) => el.tag_name(),
FePrimitive::Offset(el) => el.tag_name(),
FePrimitive::Turbulence(el) => el.tag_name(),
FePrimitive::DisplacementMap(el) => el.tag_name(),
FePrimitive::Flood(el) => el.tag_name(),
FePrimitive::Morphology(el) => el.tag_name(),
FePrimitive::ConvolveMatrix(_) => todo!(),
FePrimitive::DiffuseLighting(_) => todo!(),
FePrimitive::Image(_) => todo!(),
FePrimitive::Merge(_) => todo!(),
FePrimitive::SpecularLighting(_) => todo!(),
FePrimitive::Tile(_) => todo!(),
}
}
fn element_writer<'writer, 'result>(
&self,
writer: &'writer mut Writer<&'result mut Vec<u8>>,
common: CommonAttrs,
inputs: Vec<String>,
output: Option<String>,
) -> quick_xml::Result<&'writer mut quick_xml::Writer<&'result mut Vec<u8>>> {
match self {
FePrimitive::Blend(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::ColorMatrix(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::ComponentTransfer(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::Composite(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::Turbulence(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::GaussianBlur(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::Offset(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::DisplacementMap(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::Flood(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::Morphology(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::ConvolveMatrix(_) => todo!(),
FePrimitive::DiffuseLighting(_) => todo!(),
FePrimitive::Image(_) => todo!(),
FePrimitive::Merge(_) => todo!(),
FePrimitive::SpecularLighting(_) => todo!(),
FePrimitive::Tile(_) => todo!(),
}
}
}

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use std::fmt::Display;
use super::WriteElement;
/// [feBlend](https://www.w3.org/TR/SVG11/filters.html#feBlendElement)
#[derive(Debug)]
pub struct Blend {
mode: BlendMode,
}
impl Blend {
pub fn new(mode: BlendMode) -> Self {
Self { mode }
}
}
impl Default for Blend {
fn default() -> Self {
Self {
mode: BlendMode::Normal,
}
}
}
impl WriteElement for Blend {
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
if let BlendMode::Normal = self.mode {
Vec::new()
} else {
gen_attrs![b"mode": self.mode]
}
}
fn tag_name(&self) -> &'static str {
"feBlend"
}
}
/// as according to https://drafts.fxtf.org/compositing-1/#blending
#[derive(Debug)]
pub enum BlendMode {
Normal,
Multiply,
Screen,
Overlay,
Darken,
Lighten,
ColorDodge,
ColorBurn,
HardLight,
SoftLight,
Difference,
Exclusion,
Hue,
Saturation,
Color,
Luminosity,
}
impl Display for BlendMode {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str(match self {
BlendMode::Normal => "normal",
BlendMode::Multiply => "multiply",
BlendMode::Screen => "screen",
BlendMode::Overlay => "overlay",
BlendMode::Darken => "darken",
BlendMode::Lighten => "lighten",
BlendMode::ColorDodge => "color-dodge",
BlendMode::ColorBurn => "color-burn",
BlendMode::HardLight => "hard-light",
BlendMode::SoftLight => "soft-light",
BlendMode::Difference => "difference",
BlendMode::Exclusion => "exclusion",
BlendMode::Hue => "hue",
BlendMode::Saturation => "saturation",
BlendMode::Color => "color",
BlendMode::Luminosity => "luminosity",
})
}
}

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use super::WriteElement;
/// [feColorMatrix](https://www.w3.org/TR/SVG11/filters.html#feColorMatrixElement)
#[derive(Debug)]
pub struct ColorMatrix {
cm_type: ColorMatrixType,
}
impl ColorMatrix {
pub fn new(cm_type: ColorMatrixType) -> Self {
Self { cm_type }
}
}
impl WriteElement for ColorMatrix {
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
match &self.cm_type {
ColorMatrixType::Matrix(v) => gen_attrs![
b"values": v
.iter()
.map(std::string::ToString::to_string)
.reduce(|mut acc, e| {
acc.push(' ');
acc.push_str(&e);
acc
})
.expect("fixed length arr should always work")
],
ColorMatrixType::Saturate(v) | ColorMatrixType::HueRotate(v) => {
gen_attrs![b"values": v]
}
ColorMatrixType::LuminanceToAlpha => Vec::new(),
}
}
fn tag_name(&self) -> &'static str {
"feColorMatrix"
}
}
#[derive(Debug)]
pub enum ColorMatrixType {
Matrix(Box<[f32; 20]>),
Saturate(f32),
HueRotate(f32),
LuminanceToAlpha,
}

134
crates/svg-filters/src/types/nodes/primitives/component_transfer.rs Normal file
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@ -0,0 +1,134 @@
use quick_xml::{events::attributes::Attribute, Writer};
use super::WriteElement;
/// [feComponentTransfer](https://www.w3.org/TR/SVG11/filters.html#feComponentTransferElement)
#[derive(Debug)]
pub struct ComponentTransfer {
pub func_r: TransferFn,
pub func_g: TransferFn,
pub func_b: TransferFn,
pub func_a: TransferFn,
}
impl WriteElement for ComponentTransfer {
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
Vec::new()
}
fn tag_name(&self) -> &'static str {
"feComponentTransfer"
}
fn element_writer<'writer, 'result>(
&self,
writer: &'writer mut quick_xml::Writer<&'result mut Vec<u8>>,
common: crate::types::nodes::CommonAttrs,
inputs: Vec<String>,
output: Option<String>,
) -> quick_xml::Result<&'writer mut quick_xml::Writer<&'result mut Vec<u8>>> {
let inputs: Vec<_> = inputs
.into_iter()
.enumerate()
.map(|(i, edge)| {
(
match i {
0 => "in".to_owned(),
n => format!("in{}", n + 1),
}
.into_bytes(),
edge.into_bytes(),
)
})
.collect();
let mut el_writer = writer
.create_element(self.tag_name())
.with_attributes(inputs.iter().map(|(k, v)| (&k[..], &v[..])))
.with_attributes(Into::<Vec<Attribute<'_>>>::into(common));
if let Some(output) = output {
el_writer = el_writer.with_attribute(("result", output.as_str()));
}
el_writer.write_inner_content(|writer| {
self.func_r.write_self(writer, "feFuncR")?;
self.func_g.write_self(writer, "feFuncG")?;
self.func_b.write_self(writer, "feFuncB")?;
self.func_a.write_self(writer, "feFuncA")?;
Ok(())
})
}
}
/// [transfer functions](https://www.w3.org/TR/SVG11/filters.html#transferFuncElements)
#[derive(Debug, Clone)]
pub enum TransferFn {
Identity,
Table {
table_values: Vec<f32>,
},
Discrete {
table_values: Vec<f32>,
},
Linear {
slope: f32,
intercept: f32,
},
Gamma {
amplitude: f32,
exponent: f32,
offset: f32,
},
}
impl TransferFn {
#[allow(clippy::str_to_string, reason = "inside macro call")]
fn write_self<'writer, 'result>(
&self,
target: &'writer mut Writer<&'result mut Vec<u8>>,
name: &'static str,
) -> quick_xml::Result<&'writer mut Writer<&'result mut Vec<u8>>> {
target
.create_element(name)
.with_attributes(match self {
TransferFn::Identity => gen_attrs![b"type": "identity"],
TransferFn::Table { table_values } => gen_attrs![
b"type": "table",
b"tableValues": table_values
.iter()
.map(std::string::ToString::to_string)
.reduce(|mut acc, e| {
acc.push(' ');
acc.push_str(&e);
acc
}).expect("empty tables disallowed")
],
TransferFn::Discrete { table_values } => gen_attrs![
b"type": "discrete",
b"tableValues": table_values
.iter()
.map(std::string::ToString::to_string)
.reduce(|mut acc, e| {
acc.push(' ');
acc.push_str(&e);
acc
}).expect("empty tables disallowed")
],
TransferFn::Linear { slope, intercept } => gen_attrs![
b"type": "linear",
b"slope": slope,
b"intercept": intercept
],
TransferFn::Gamma {
amplitude,
exponent,
offset,
} => gen_attrs![
b"type": "gamma",
b"amplitude": amplitude,
b"exponent": exponent,
b"offset": offset
],
})
.write_empty()
}
}

86
crates/svg-filters/src/types/nodes/primitives/composite.rs Normal file
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@ -0,0 +1,86 @@
use std::borrow::Cow;
use quick_xml::{events::attributes::Attribute, name::QName};
use super::WriteElement;
/// [feComposite](https://www.w3.org/TR/SVG11/filters.html#feCompositeElement)
#[derive(Debug)]
pub struct Composite {
operator: CompositeOperator,
}
impl Composite {
pub fn new(op: CompositeOperator) -> Self {
Self { operator: op }
}
pub fn arithmetic(k1: f32, k2: f32, k3: f32, k4: f32) -> Self {
Self {
operator: CompositeOperator::Arithmetic { k1, k2, k3, k4 },
}
}
}
#[derive(Debug)]
pub enum CompositeOperator {
Over,
In,
Out,
Atop,
Xor,
Arithmetic { k1: f32, k2: f32, k3: f32, k4: f32 },
}
impl WriteElement for Composite {
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
let (op_name, vals) = match self.operator {
CompositeOperator::Over => ("over", None),
CompositeOperator::In => ("in", None),
CompositeOperator::Out => ("out", None),
CompositeOperator::Atop => ("atop", None),
CompositeOperator::Xor => ("xor", None),
CompositeOperator::Arithmetic { k1, k2, k3, k4 } => {
("arithmetic", Some([k1, k2, k3, k4]))
}
};
let mut r = vec![Attribute {
key: QName(b"operator"),
value: Cow::from(op_name.as_bytes()),
}];
if let Some([k1, k2, k3, k4]) = vals {
// r.append(&mut vec![
// Attribute {
// key: QName(b"k1"),
// value: Cow::from(k1.to_string().into_bytes()),
// },
// Attribute {
// key: QName(b"k2"),
// value: Cow::from(k2.to_string().into_bytes()),
// },
// Attribute {
// key: QName(b"k3"),
// value: Cow::from(k3.to_string().into_bytes()),
// },
// Attribute {
// key: QName(b"k4"),
// value: Cow::from(k4.to_string().into_bytes()),
// },
// ]);
r.append(&mut gen_attrs![
b"k1": k1,
b"k2": k2,
b"k3": k3,
b"k4": k4
]);
}
r
}
fn tag_name(&self) -> &'static str {
"feComposite"
}
}

20
crates/svg-filters/src/types/nodes/primitives/convolve_matrix.rs Normal file
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@ -0,0 +1,20 @@
#[derive(Debug)]
pub struct ConvolveMatrix {
order: (u16, u16),
// must be checked to be `order.0 * order.1`
kernel_matrix: Vec<f32>,
divisor: f32,
bias: f32,
target_x: i32,
target_y: i32,
edge_mode: EdgeMode,
kernel_unit_length: (f32, f32),
preserve_alpha: bool,
}
#[derive(Debug)]
enum EdgeMode {
None,
Duplicate,
Wrap,
}

3
crates/svg-filters/src/types/nodes/primitives/diffuse_lighting.rs Normal file
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@ -0,0 +1,3 @@
// TODO
#[derive(Debug)]
pub struct DiffuseLighting;

34
crates/svg-filters/src/types/nodes/primitives/displacement_map.rs Normal file
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@ -0,0 +1,34 @@
use super::WriteElement;
/// [feDisplacementMap](https://www.w3.org/TR/SVG11/filters.html#feDisplacementMapElement)
#[derive(Debug)]
pub struct DisplacementMap {
pub scale: f32,
pub x_channel_selector: Channel,
pub y_channel_selector: Channel,
}
impl WriteElement for DisplacementMap {
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
let mut r = Vec::new();
gen_attrs![
r;
self.scale != 0. => b"scale": self.scale,
self.x_channel_selector != Channel::A => b"xChannelSelector": format!("{:?}", self.x_channel_selector),
self.y_channel_selector != Channel::A => b"yChannelSelector": format!("{:?}", self.y_channel_selector)
];
r
}
fn tag_name(&self) -> &'static str {
"feDisplacementMap"
}
}
#[derive(Debug, PartialEq, Eq)]
pub enum Channel {
A,
R,
G,
B,
}

23
crates/svg-filters/src/types/nodes/primitives/flood.rs Normal file
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@ -0,0 +1,23 @@
use csscolorparser::Color;
use super::WriteElement;
/// [feFlood](https://www.w3.org/TR/SVG11/filters.html#feFloodElement)
#[derive(Debug)]
pub struct Flood {
pub flood_color: Color,
pub flood_opacity: f32,
}
impl WriteElement for Flood {
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
gen_attrs![
b"flood-color": self.flood_color.to_hex_string(),
b"flood-opacity": self.flood_opacity
]
}
fn tag_name(&self) -> &'static str {
"feFlood"
}
}

35
crates/svg-filters/src/types/nodes/primitives/gaussian_blur.rs Normal file
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@ -0,0 +1,35 @@
use std::borrow::Cow;
use quick_xml::{events::attributes::Attribute, name::QName};
use super::WriteElement;
/// [feGaussianBlur](https://www.w3.org/TR/SVG11/filters.html#feGaussianBlurElement)
#[derive(Debug)]
pub struct GaussianBlur {
std_deviation: (u16, u16),
}
impl GaussianBlur {
pub fn single(v: u16) -> Self {
Self {
std_deviation: (v, v),
}
}
pub fn with_xy(x: u16, y: u16) -> Self {
Self {
std_deviation: (x, y),
}
}
}
impl WriteElement for GaussianBlur {
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
gen_attrs![b"stdDeviation": format!("{} {}", self.std_deviation.0, self.std_deviation.1)]
}
fn tag_name(&self) -> &'static str {
"feGaussianBlur"
}
}

3
crates/svg-filters/src/types/nodes/primitives/image.rs Normal file
View file

@ -0,0 +1,3 @@
// TODO
#[derive(Debug)]
pub struct Image;

3
crates/svg-filters/src/types/nodes/primitives/merge.rs Normal file
View file

@ -0,0 +1,3 @@
// TODO
#[derive(Debug)]
pub struct Merge;

37
crates/svg-filters/src/types/nodes/primitives/morphology.rs Normal file
View file

@ -0,0 +1,37 @@
use super::WriteElement;
use std::fmt::Display;
/// [feMorphology](https://www.w3.org/TR/SVG11/filters.html#feMorphologyElement)
#[derive(Debug)]
pub struct Morphology {
operator: Operator,
radius: (f32, f32),
}
impl WriteElement for Morphology {
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
gen_attrs![
b"operator": self.operator,
b"radius": format!("{} {}", self.radius.0, self.radius.1)
]
}
fn tag_name(&self) -> &'static str {
"feMorphology"
}
}
#[derive(Debug)]
enum Operator {
Erode,
Dilate,
}
impl Display for Operator {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str(match self {
Operator::Erode => "erode",
Operator::Dilate => "dilate",
})
}
}

24
crates/svg-filters/src/types/nodes/primitives/offset.rs Normal file
View file

@ -0,0 +1,24 @@
use super::WriteElement;
/// [feOffset](https://www.w3.org/TR/SVG11/filters.html#feOffsetElement)
#[derive(Debug)]
pub struct Offset {
dx: f32,
dy: f32,
}
impl Offset {
pub fn new(dx: f32, dy: f32) -> Self {
Self { dx, dy }
}
}
impl WriteElement for Offset {
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
gen_attrs![b"dx": self.dx, b"dy": self.dy]
}
fn tag_name(&self) -> &'static str {
"feOffset"
}
}

3
crates/svg-filters/src/types/nodes/primitives/specular_lighting.rs Normal file
View file

@ -0,0 +1,3 @@
// TODO
#[derive(Debug)]
pub struct SpecularLighting;

15
crates/svg-filters/src/types/nodes/primitives/tile.rs Normal file
View file

@ -0,0 +1,15 @@
use super::WriteElement;
/// [feTile](https://www.w3.org/TR/SVG11/filters.html#feTileElement)
#[derive(Debug)]
pub struct Tile;
impl WriteElement for Tile {
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
Vec::new()
}
fn tag_name(&self) -> &'static str {
"feTile"
}
}

42
crates/svg-filters/src/types/nodes/primitives/turbulence.rs Normal file
View file

@ -0,0 +1,42 @@
use super::WriteElement;
/// [feTurbulence](https://www.w3.org/TR/SVG11/filters.html#feTurbulenceElement)
#[derive(Debug)]
pub struct Turbulence {
pub base_frequency: (f32, f32),
pub num_octaves: u16,
pub seed: u32,
pub stitch_tiles: StitchTiles,
// attr name: type
pub noise_type: NoiseType,
}
impl WriteElement for Turbulence {
#[allow(clippy::str_to_string, reason = "in macro invocation")]
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
let mut r = gen_attrs![b"baseFrequency": format!("{} {}", self.base_frequency.0, self.base_frequency.1)];
gen_attrs![
r;
self.num_octaves != 1 => b"numOctaves": self.num_octaves,
self.seed != 0 => b"seed": self.seed,
self.stitch_tiles != StitchTiles::NoStitch => b"stitchTiles": "stitch",
self.noise_type != NoiseType::Turbulence => b"type": "fractalNoise"
];
r
}
fn tag_name(&self) -> &'static str {
"feTurbulence"
}
}
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum StitchTiles {
Stitch,
NoStitch,
}
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum NoiseType {
Turbulence,
FractalNoise,
}

11
crates/svg-filters/src/types/nodes/standard_input.rs Normal file
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@ -0,0 +1,11 @@
/// [svg filter effect standard input](https://www.w3.org/TR/SVG11/filters.html#FilterPrimitiveInAttribute)
/// technically not a node, but for implementation simplicity... yeah
#[derive(Debug, Clone, Copy)]
pub enum StandardInput {
SourceGraphic,
SourceAlpha,
BackgroundImage,
BackgroundAlpha,
FillPaint,
StrokePaint,
}

468
flake.lock
View file

@ -1,18 +1,43 @@
{ {
"nodes": { "nodes": {
"devenv": { "cachix": {
"inputs": { "inputs": {
"flake-compat": "flake-compat", "devenv": "devenv_2",
"nix": "nix", "flake-compat": "flake-compat_2",
"nixpkgs": "nixpkgs", "nixpkgs": [
"devenv",
"nixpkgs"
],
"pre-commit-hooks": "pre-commit-hooks" "pre-commit-hooks": "pre-commit-hooks"
}, },
"locked": { "locked": {
"lastModified": 1704835383, "lastModified": 1712055811,
"narHash": "sha256-SoC0rYR9iHW0dVOEmxNEfa8vk9dTK86P5iXTgHafmwM=", "narHash": "sha256-7FcfMm5A/f02yyzuavJe06zLa9hcMHsagE28ADcmQvk=",
"owner": "cachix",
"repo": "cachix",
"rev": "02e38da89851ec7fec3356a5c04bc8349cae0e30",
"type": "github"
},
"original": {
"owner": "cachix",
"repo": "cachix",
"type": "github"
}
},
"devenv": {
"inputs": {
"cachix": "cachix",
"flake-compat": "flake-compat_4",
"nix": "nix_2",
"nixpkgs": "nixpkgs_2",
"pre-commit-hooks": "pre-commit-hooks_2"
},
"locked": {
"lastModified": 1712925466,
"narHash": "sha256-MJ6VxGNu/ftbn8SErJjBz80FUNXkZfcObHg/JP7wwAc=",
"owner": "cachix", "owner": "cachix",
"repo": "devenv", "repo": "devenv",
"rev": "18ef9849d1ecac7a9a7920eb4f2e4adcf67a8c3a", "rev": "1af93652caf48bfeef6ba7d1cf59fc66e506e5c2",
"type": "github" "type": "github"
}, },
"original": { "original": {
@ -21,17 +46,48 @@
"type": "github" "type": "github"
} }
}, },
"devenv_2": {
"inputs": {
"flake-compat": [
"devenv",
"cachix",
"flake-compat"
],
"nix": "nix",
"nixpkgs": "nixpkgs",
"poetry2nix": "poetry2nix",
"pre-commit-hooks": [
"devenv",
"cachix",
"pre-commit-hooks"
]
},
"locked": {
"lastModified": 1708704632,
"narHash": "sha256-w+dOIW60FKMaHI1q5714CSibk99JfYxm0CzTinYWr+Q=",
"owner": "cachix",
"repo": "devenv",
"rev": "2ee4450b0f4b95a1b90f2eb5ffea98b90e48c196",
"type": "github"
},
"original": {
"owner": "cachix",
"ref": "python-rewrite",
"repo": "devenv",
"type": "github"
}
},
"fenix": { "fenix": {
"inputs": { "inputs": {
"nixpkgs": "nixpkgs_2", "nixpkgs": "nixpkgs_3",
"rust-analyzer-src": "rust-analyzer-src" "rust-analyzer-src": "rust-analyzer-src"
}, },
"locked": { "locked": {
"lastModified": 1704867811, "lastModified": 1712903033,
"narHash": "sha256-pG4O1vPpNSMjz7p/5x+/OH4tXC0thzAPbJ55kI/W5dU=", "narHash": "sha256-KcvsEm0h1mIwBHFAzWFBjGihnbf2fxpAaXOdVbUfAI4=",
"owner": "nix-community", "owner": "nix-community",
"repo": "fenix", "repo": "fenix",
"rev": "93e89638c15512db65e931f26ce36edf8cfbb4a5", "rev": "c739f83545e625227f4d0af7fe2a71e69931fa4c",
"type": "github" "type": "github"
}, },
"original": { "original": {
@ -56,16 +112,116 @@
"type": "github" "type": "github"
} }
}, },
"flake-compat_2": {
"flake": false,
"locked": {
"lastModified": 1696426674,
"narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-compat_3": {
"flake": false,
"locked": {
"lastModified": 1696426674,
"narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-compat_4": {
"flake": false,
"locked": {
"lastModified": 1696426674,
"narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-compat_5": {
"flake": false,
"locked": {
"lastModified": 1673956053,
"narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-utils": { "flake-utils": {
"inputs": { "inputs": {
"systems": "systems" "systems": "systems"
}, },
"locked": { "locked": {
"lastModified": 1685518550, "lastModified": 1689068808,
"narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=", "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
"owner": "numtide", "owner": "numtide",
"repo": "flake-utils", "repo": "flake-utils",
"rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef", "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"flake-utils_2": {
"inputs": {
"systems": "systems_2"
},
"locked": {
"lastModified": 1701680307,
"narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"flake-utils_3": {
"inputs": {
"systems": "systems_3"
},
"locked": {
"lastModified": 1710146030,
"narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
"type": "github" "type": "github"
}, },
"original": { "original": {
@ -78,16 +234,17 @@
"inputs": { "inputs": {
"nixpkgs": [ "nixpkgs": [
"devenv", "devenv",
"cachix",
"pre-commit-hooks", "pre-commit-hooks",
"nixpkgs" "nixpkgs"
] ]
}, },
"locked": { "locked": {
"lastModified": 1660459072, "lastModified": 1703887061,
"narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=", "narHash": "sha256-gGPa9qWNc6eCXT/+Z5/zMkyYOuRZqeFZBDbopNZQkuY=",
"owner": "hercules-ci", "owner": "hercules-ci",
"repo": "gitignore.nix", "repo": "gitignore.nix",
"rev": "a20de23b925fd8264fd7fad6454652e142fd7f73", "rev": "43e1aa1308018f37118e34d3a9cb4f5e75dc11d5",
"type": "github" "type": "github"
}, },
"original": { "original": {
@ -96,53 +253,109 @@
"type": "github" "type": "github"
} }
}, },
"lowdown-src": { "gitignore_2": {
"flake": false, "inputs": {
"nixpkgs": [
"devenv",
"pre-commit-hooks",
"nixpkgs"
]
},
"locked": { "locked": {
"lastModified": 1633514407, "lastModified": 1709087332,
"narHash": "sha256-Dw32tiMjdK9t3ETl5fzGrutQTzh2rufgZV4A/BbxuD4=", "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
"owner": "kristapsdz", "owner": "hercules-ci",
"repo": "lowdown", "repo": "gitignore.nix",
"rev": "d2c2b44ff6c27b936ec27358a2653caaef8f73b8", "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
"type": "github" "type": "github"
}, },
"original": { "original": {
"owner": "kristapsdz", "owner": "hercules-ci",
"repo": "lowdown", "repo": "gitignore.nix",
"type": "github" "type": "github"
} }
}, },
"nix": { "nix": {
"inputs": { "inputs": {
"lowdown-src": "lowdown-src", "flake-compat": "flake-compat",
"nixpkgs": [ "nixpkgs": [
"devenv",
"cachix",
"devenv", "devenv",
"nixpkgs" "nixpkgs"
], ],
"nixpkgs-regression": "nixpkgs-regression" "nixpkgs-regression": "nixpkgs-regression"
}, },
"locked": { "locked": {
"lastModified": 1676545802, "lastModified": 1708577783,
"narHash": "sha256-EK4rZ+Hd5hsvXnzSzk2ikhStJnD63odF7SzsQ8CuSPU=", "narHash": "sha256-92xq7eXlxIT5zFNccLpjiP7sdQqQI30Gyui2p/PfKZM=",
"owner": "domenkozar", "owner": "domenkozar",
"repo": "nix", "repo": "nix",
"rev": "7c91803598ffbcfe4a55c44ac6d49b2cf07a527f", "rev": "ecd0af0c1f56de32cbad14daa1d82a132bf298f8",
"type": "github" "type": "github"
}, },
"original": { "original": {
"owner": "domenkozar", "owner": "domenkozar",
"ref": "relaxed-flakes", "ref": "devenv-2.21",
"repo": "nix",
"type": "github"
}
},
"nix-github-actions": {
"inputs": {
"nixpkgs": [
"devenv",
"cachix",
"devenv",
"poetry2nix",
"nixpkgs"
]
},
"locked": {
"lastModified": 1688870561,
"narHash": "sha256-4UYkifnPEw1nAzqqPOTL2MvWtm3sNGw1UTYTalkTcGY=",
"owner": "nix-community",
"repo": "nix-github-actions",
"rev": "165b1650b753316aa7f1787f3005a8d2da0f5301",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "nix-github-actions",
"type": "github"
}
},
"nix_2": {
"inputs": {
"flake-compat": "flake-compat_5",
"nixpkgs": [
"devenv",
"nixpkgs"
],
"nixpkgs-regression": "nixpkgs-regression_2"
},
"locked": {
"lastModified": 1712911606,
"narHash": "sha256-BGvBhepCufsjcUkXnEEXhEVjwdJAwPglCC2+bInc794=",
"owner": "domenkozar",
"repo": "nix",
"rev": "b24a9318ea3f3600c1e24b4a00691ee912d4de12",
"type": "github"
},
"original": {
"owner": "domenkozar",
"ref": "devenv-2.21",
"repo": "nix", "repo": "nix",
"type": "github" "type": "github"
} }
}, },
"nixpkgs": { "nixpkgs": {
"locked": { "locked": {
"lastModified": 1678875422, "lastModified": 1692808169,
"narHash": "sha256-T3o6NcQPwXjxJMn2shz86Chch4ljXgZn746c2caGxd8=", "narHash": "sha256-x9Opq06rIiwdwGeK2Ykj69dNc2IvUH1fY55Wm7atwrE=",
"owner": "NixOS", "owner": "NixOS",
"repo": "nixpkgs", "repo": "nixpkgs",
"rev": "126f49a01de5b7e35a43fd43f891ecf6d3a51459", "rev": "9201b5ff357e781bf014d0330d18555695df7ba8",
"type": "github" "type": "github"
}, },
"original": { "original": {
@ -168,45 +381,93 @@
"type": "github" "type": "github"
} }
}, },
"nixpkgs-stable": { "nixpkgs-regression_2": {
"locked": { "locked": {
"lastModified": 1685801374, "lastModified": 1643052045,
"narHash": "sha256-otaSUoFEMM+LjBI1XL/xGB5ao6IwnZOXc47qhIgJe8U=", "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
"owner": "NixOS", "owner": "NixOS",
"repo": "nixpkgs", "repo": "nixpkgs",
"rev": "c37ca420157f4abc31e26f436c1145f8951ff373", "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
"type": "github" "type": "github"
}, },
"original": { "original": {
"owner": "NixOS", "owner": "NixOS",
"ref": "nixos-23.05", "repo": "nixpkgs",
"rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
"type": "github"
}
},
"nixpkgs-stable": {
"locked": {
"lastModified": 1704874635,
"narHash": "sha256-YWuCrtsty5vVZvu+7BchAxmcYzTMfolSPP5io8+WYCg=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "3dc440faeee9e889fe2d1b4d25ad0f430d449356",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-23.11",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-stable_2": {
"locked": {
"lastModified": 1710695816,
"narHash": "sha256-3Eh7fhEID17pv9ZxrPwCLfqXnYP006RKzSs0JptsN84=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "614b4613980a522ba49f0d194531beddbb7220d3",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-23.11",
"repo": "nixpkgs", "repo": "nixpkgs",
"type": "github" "type": "github"
} }
}, },
"nixpkgs_2": { "nixpkgs_2": {
"locked": { "locked": {
"lastModified": 1704538339, "lastModified": 1710796454,
"narHash": "sha256-1734d3mQuux9ySvwf6axRWZRBhtcZA9Q8eftD6EZg6U=", "narHash": "sha256-lQlICw60RhH8sHTDD/tJiiJrlAfNn8FDI9c+7G2F0SE=",
"owner": "nixos", "owner": "cachix",
"repo": "nixpkgs", "repo": "devenv-nixpkgs",
"rev": "46ae0210ce163b3cba6c7da08840c1d63de9c701", "rev": "06fb0f1c643aee3ae6838dda3b37ef0abc3c763b",
"type": "github" "type": "github"
}, },
"original": { "original": {
"owner": "nixos", "owner": "cachix",
"ref": "nixos-unstable", "ref": "rolling",
"repo": "nixpkgs", "repo": "devenv-nixpkgs",
"type": "github" "type": "github"
} }
}, },
"nixpkgs_3": { "nixpkgs_3": {
"locked": { "locked": {
"lastModified": 1704722960, "lastModified": 1712791164,
"narHash": "sha256-mKGJ3sPsT6//s+Knglai5YflJUF2DGj7Ai6Ynopz0kI=", "narHash": "sha256-3sbWO1mbpWsLepZGbWaMovSO7ndZeFqDSdX0hZ9nVyw=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "1042fd8b148a9105f3c0aca3a6177fd1d9360ba5",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs_4": {
"locked": {
"lastModified": 1712791164,
"narHash": "sha256-3sbWO1mbpWsLepZGbWaMovSO7ndZeFqDSdX0hZ9nVyw=",
"owner": "NixOS", "owner": "NixOS",
"repo": "nixpkgs", "repo": "nixpkgs",
"rev": "317484b1ead87b9c1b8ac5261a8d2dd748a0492d", "rev": "1042fd8b148a9105f3c0aca3a6177fd1d9360ba5",
"type": "github" "type": "github"
}, },
"original": { "original": {
@ -216,26 +477,77 @@
"type": "github" "type": "github"
} }
}, },
"poetry2nix": {
"inputs": {
"flake-utils": "flake-utils",
"nix-github-actions": "nix-github-actions",
"nixpkgs": [
"devenv",
"cachix",
"devenv",
"nixpkgs"
]
},
"locked": {
"lastModified": 1692876271,
"narHash": "sha256-IXfZEkI0Mal5y1jr6IRWMqK8GW2/f28xJenZIPQqkY0=",
"owner": "nix-community",
"repo": "poetry2nix",
"rev": "d5006be9c2c2417dafb2e2e5034d83fabd207ee3",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "poetry2nix",
"type": "github"
}
},
"pre-commit-hooks": { "pre-commit-hooks": {
"inputs": { "inputs": {
"flake-compat": [ "flake-compat": "flake-compat_3",
"devenv", "flake-utils": "flake-utils_2",
"flake-compat"
],
"flake-utils": "flake-utils",
"gitignore": "gitignore", "gitignore": "gitignore",
"nixpkgs": [ "nixpkgs": [
"devenv", "devenv",
"cachix",
"nixpkgs" "nixpkgs"
], ],
"nixpkgs-stable": "nixpkgs-stable" "nixpkgs-stable": "nixpkgs-stable"
}, },
"locked": { "locked": {
"lastModified": 1704725188, "lastModified": 1708018599,
"narHash": "sha256-qq8NbkhRZF1vVYQFt1s8Mbgo8knj+83+QlL5LBnYGpI=", "narHash": "sha256-M+Ng6+SePmA8g06CmUZWi1AjG2tFBX9WCXElBHEKnyM=",
"owner": "cachix", "owner": "cachix",
"repo": "pre-commit-hooks.nix", "repo": "pre-commit-hooks.nix",
"rev": "ea96f0c05924341c551a797aaba8126334c505d2", "rev": "5df5a70ad7575f6601d91f0efec95dd9bc619431",
"type": "github"
},
"original": {
"owner": "cachix",
"repo": "pre-commit-hooks.nix",
"type": "github"
}
},
"pre-commit-hooks_2": {
"inputs": {
"flake-compat": [
"devenv",
"flake-compat"
],
"flake-utils": "flake-utils_3",
"gitignore": "gitignore_2",
"nixpkgs": [
"devenv",
"nixpkgs"
],
"nixpkgs-stable": "nixpkgs-stable_2"
},
"locked": {
"lastModified": 1712897695,
"narHash": "sha256-nMirxrGteNAl9sWiOhoN5tIHyjBbVi5e2tgZUgZlK3Y=",
"owner": "cachix",
"repo": "pre-commit-hooks.nix",
"rev": "40e6053ecb65fcbf12863338a6dcefb3f55f1bf8",
"type": "github" "type": "github"
}, },
"original": { "original": {
@ -248,18 +560,18 @@
"inputs": { "inputs": {
"devenv": "devenv", "devenv": "devenv",
"fenix": "fenix", "fenix": "fenix",
"nixpkgs": "nixpkgs_3", "nixpkgs": "nixpkgs_4",
"systems": "systems_2" "systems": "systems_4"
} }
}, },
"rust-analyzer-src": { "rust-analyzer-src": {
"flake": false, "flake": false,
"locked": { "locked": {
"lastModified": 1704833483, "lastModified": 1712818880,
"narHash": "sha256-Ox01mpYmjapNYaqOu4fMS/4Ma9NLd2rVNz6d4rJmcf4=", "narHash": "sha256-VDxsvgj/bNypHq48tQWtc3VRbWvzlFjzKf9ZZIVO10Y=",
"owner": "rust-lang", "owner": "rust-lang",
"repo": "rust-analyzer", "repo": "rust-analyzer",
"rev": "ae6e73772432cfe35bb0ff6de6fdcfa908642b67", "rev": "657b33b0cb9bd49085202e91ad5b4676532c9140",
"type": "github" "type": "github"
}, },
"original": { "original": {
@ -298,6 +610,36 @@
"repo": "default", "repo": "default",
"type": "github" "type": "github"
} }
},
"systems_3": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
},
"systems_4": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
} }
}, },
"root": "root", "root": "root",

84
flake.nix
View file

@ -11,41 +11,55 @@
extra-substituters = "https://devenv.cachix.org"; extra-substituters = "https://devenv.cachix.org";
}; };
outputs = { self, nixpkgs, devenv, systems, ... } @ inputs: outputs = {
let self,
forEachSystem = nixpkgs.lib.genAttrs (import systems); nixpkgs,
in devenv,
{ fenix,
devShells = forEachSystem systems,
(system: ...
let } @ inputs: let
pkgs = nixpkgs.legacyPackages.${system}; forEachSystem = nixpkgs.lib.genAttrs (import systems);
in in {
{ devShells =
default = devenv.lib.mkShell { forEachSystem
inherit inputs pkgs; (system: let
modules = [ pkgs = nixpkgs.legacyPackages.${system};
({pkgs, config, ...}: { toolchain = with fenix.packages.${system};
languages.rust = { combine [
enable = true; complete.toolchain
channel = "nightly"; ];
}; in {
default = devenv.lib.mkShell {
inherit inputs pkgs;
modules = [
({
pkgs,
config,
...
}: {
pre-commit.hooks = {
clippy.enable = false;
rustfmt.enable = true;
};
pre-commit.hooks = { env = {
clippy.enable = true; RUST_BACKTRACE = 1;
rustfmt.enable = true; };
}; packages = with pkgs; [
just
packages = with pkgs; [ nushell
just nushell ripgrep
ripgrep typst
typst typst-lsp typst-lsp
mold mold
cargo-nextest cargo-watch cargo-nextest
]; cargo-watch
}) toolchain
]; ];
}; })
}); ];
}; };
});
};
} }

4
testfiles/config.json Normal file
View file

@ -0,0 +1,4 @@
{
"example_value": "42",
"no_startup_message": true
}

4
testfiles/config.ron Normal file
View file

@ -0,0 +1,4 @@
(
example_value: 42
no_startup_message: false,
)

3
testfiles/testproj/hello.owo Normal file
View file

@ -0,0 +1,3 @@
mod meow;
def broken

4
testfiles/testproj/hello/meow.owo Normal file
View file

@ -0,0 +1,4 @@
mod mrawr {}
mod mrow {
def gay = ;
}

8
testfiles/testproj/test.owo Normal file
View file

@ -0,0 +1,8 @@
mod hello;
mod world {
mod meow {}
mod uwu {
mod test {}
mod meow {}
}
}

1
testfiles/testproj/uwu.owo Normal file
View file

@ -0,0 +1 @@
mod meow {}