configuration is more flexible; targets can specify their base file, introduced palettes, and targets can specify & override variables

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "oink"
-version = "0.1.1"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/config.rs

@@ -15,9 +15,10 @@ use toml::{
 	Value
 };
 
-use crate::error;
+use crate::{ error, util };
 
 pub type Context = BTreeMap<String, ContextValue>;
+pub type Table = toml::map::Map<String, Value>;
 
 ///	configuration struct
 pub struct Config {
@@ -55,25 +56,38 @@ impl Config {
 		}
 	}
 
-	///	build tera context from "vars" and "colors" config sections
-	pub fn context(&self) -> Context {
+	///	build context from "vars" and "colors" config sections
+	pub fn context(&self, target: &Table) -> Context {
 		let mut output = Context::new();
 
-		let vars = self.inner.get("vars");
-		if vars.is_some() {
-			let vars = vars.unwrap().as_table().unwrap();
+		//	pull global vars
+		if let Some(Value::Table(vars)) = self.inner.get("vars") {
 			for (key, value) in vars.iter() {
 				output.insert(key.to_owned(), value.as_str().into());
 			}
 		}
-		let colors = self.inner.get("colors");
-		if colors.is_some() {
-			let colors = colors.unwrap().as_table().unwrap();
-			let mut map = Context::new();
-			for (key, value) in colors.iter() {
-				map.insert(key.to_owned(), value.as_str().unwrap().into());
+
+		//	pull target values
+		for (key, value) in target.iter() {
+			if key.to_uppercase() == *key {
+				output.insert(key.to_owned(), value.as_str().unwrap().into());
+			}
+		}
+
+		//	pull palette
+		let palette_name: Option<String> =
+			if let Some(Value::String(name)) = target.get("use_palette") { Some(name.clone()) }
+			else if let Some(Value::String(name)) = self.inner.get("use_palette") { Some(name.clone()) }
+			else { None };
+		if let Some(Value::Array(array)) = self.inner.get("palette") {
+			let palette = util::matches(array.to_owned(), palette_name.unwrap_or("default".to_string()));
+			if let Some(Value::Table(palette)) = palette {
+				let colors = Context::new();
+				for(key, value) in palette.iter() {
+					output.insert(key.to_owned(), value.as_str().unwrap().into());
+				}
+				output.insert("palette".to_string(), colors.into());
 			}
-			output.insert("colors".to_owned(), map.into());
 		}
 
 		output

src/error.rs

@@ -3,6 +3,11 @@ use std::{
 	process::exit
 };
 
+pub fn no_command() {
+	crate::help_text();
+	exit(1);
+}
+
 pub fn no_targets() {
 	println!("oink: configuration has no targets");
 	exit(2);

src/main.rs

@@ -1,10 +1,10 @@
-use std::process::exit;
 
 use pico_args::Arguments;
 
 mod config;
 mod error;
 mod operation;
+mod util;
 
 use crate::config::Config;
 
@@ -27,23 +27,18 @@ fn main() {
 
 	match operation.as_deref() {
 		Some("apply")
-			=> {
-				operation::apply(&targets);
-			},
+			=>	operation::apply(&targets),
+
 		Some("build")
-			=> {
-				operation::build(&targets, template_dir, &config);
-			},
+			=>	operation::build(&targets, template_dir, &config),
+
 		Some("full")
 			=> {
 				operation::build(&targets, template_dir, &config);
 				operation::apply(&targets);
 			},
-		_
-			=> {
-				help_text();
-				exit(1);
-			}
+
+		_	=>	error::no_command()
 	}
 }
 

src/operation.rs

@@ -69,9 +69,9 @@ pub fn build(targets: &Vec<Map<String, Value>>, template_dir: String, config: &C
 	println!("running build:");
 
 	let engine = Engine::new();
-	let context = config.context();
 
 	for target in targets {
+		let context = config.context(target);
 		//	get name property
 		let i_name = target.get("name");
 		//	handle empty names gracefully
@@ -87,7 +87,9 @@ pub fn build(targets: &Vec<Map<String, Value>>, template_dir: String, config: &C
 		//	compile
 		println!("    {ITALIC}compiling{RESET}");
 		let mut path = PathBuf::from(&template_dir);
-		path.push(name);
+		if let Some(Value::String(base)) = target.get("base") { path.push(base); }
+		else { path.push(name); }
+
 		let content = read_to_string(path).unwrap();
 		let template = engine.compile(&content);
 		if template.is_err() {

src/util.rs

@@ -0,0 +1,14 @@
+
+use toml::{ value::Array, Value };
+
+pub fn matches(array: Array, to_match: String) -> Option<Value> {
+	array.iter().filter(|value| {
+		if let Value::Table(table) = value {
+			if let Some(Value::String(name)) = table.get("name") {
+				return *name == to_match;
+			}
+		}
+		return false;
+	}).map(|value| value.to_owned()).nth(0)
+}
+