Add more scaffolding

crates/hyfetch/src/bin/hyfetch.rs

@@ -7,7 +7,7 @@ use anyhow::{Context, Result};
 use chrono::Datelike;
 use hyfetch::cli_options::options;
 use hyfetch::models::Config;
-use hyfetch::neofetch_util::get_distro_ascii;
+use hyfetch::neofetch_util::{self, get_distro_ascii};
 use hyfetch::presets::AssignLightness;
 use hyfetch::utils::get_cache_path;
 use tracing::debug;
@@ -21,10 +21,15 @@ fn main() -> Result<()> {
 
     // TODO
 
+    // Use a custom distro
+    let distro = options.distro.as_ref();
+
+    // TODO
+
     if options.test_print {
         println!(
             "{}",
-            get_distro_ascii(options.distro.as_ref()).context("failed to get distro ascii")?
+            get_distro_ascii(distro).context("failed to get distro ascii")?
         );
         return Ok(());
     }
@@ -63,7 +68,12 @@ fn main() -> Result<()> {
         }
     }
 
-    // TODO
+    // Use a custom distro
+    let distro = options.distro.as_ref().or(config.distro.as_ref());
+
+    let color_mode = options.mode.unwrap_or(config.mode);
+    let backend = options.backend.unwrap_or(config.backend);
+    let args = options.args.as_ref().or(config.args.as_ref());
 
     // Get preset
     let preset = options.preset.unwrap_or(config.preset);
@@ -76,11 +86,27 @@ fn main() -> Result<()> {
     } else if let Some(lightness) = options.lightness {
         color_profile.with_lightness(AssignLightness::Replace(lightness))
     } else {
-        color_profile.with_lightness_dl(config.lightness(), config.light_dark)
+        color_profile.with_lightness_dl(config.lightness(), config.light_dark, options.overlay)
     };
     debug!(?color_profile, "lightened color profile");
 
-    // TODO
+    let asc = if let Some(path) = options.ascii_file {
+        fs::read_to_string(&path).with_context(|| format!("failed to read ascii from {path:?}"))?
+    } else {
+        get_distro_ascii(distro).context("failed to get distro ascii")?
+    };
+    let asc = config
+        .color_align
+        .recolor_ascii(asc, color_profile, color_mode, config.light_dark);
+    neofetch_util::run(asc, backend, args).context("failed to run")?;
+
+    if options.ask_exit {
+        print!("Press any key to exit...");
+        let mut buf = String::new();
+        io::stdin()
+            .read_line(&mut buf)
+            .context("failed to read line from input")?;
+    }
 
     Ok(())
 }

crates/hyfetch/src/cli_options.rs

@@ -19,7 +19,7 @@ pub struct Options {
     pub preset: Option<Preset>,
     pub mode: Option<AnsiMode>,
     pub backend: Option<Backend>,
-    pub args: Vec<String>,
+    pub args: Option<Vec<String>>,
     pub scale: Option<f32>,
     pub lightness: Option<Lightness>,
     pub overlay: bool,
@@ -107,7 +107,7 @@ BACKEND={{{}}}",
         .help("Additional arguments pass-through to backend")
         .argument::<String>("ARGS")
         .parse(|s| shell_words::split(&s).context("ARGS should be valid command-line arguments"))
-        .fallback(vec![]);
+        .optional();
     let scale = long("c-scale")
         .help("Lighten colors by a multiplier")
         .argument("SCALE")

crates/hyfetch/src/models.rs

@@ -13,8 +13,9 @@ pub struct Config {
     lightness: Option<Lightness>,
     pub color_align: ColorAlignment,
     pub backend: Backend,
+    #[serde(default)]
     #[serde(with = "self::args_serde_with")]
-    pub args: Vec<String>,
+    pub args: Option<Vec<String>>,
     pub distro: Option<String>,
     pub pride_month_disable: bool,
 }
@@ -39,19 +40,27 @@ mod args_serde_with {
     use serde::de::{self, value, Deserialize, Deserializer, SeqAccess, Visitor};
     use serde::ser::Serializer;
 
-    pub(super) fn serialize<S>(value: &Vec<String>, serializer: S) -> Result<S::Ok, S::Error>
+    pub(super) fn serialize<S>(
+        value: &Option<Vec<String>>,
+        serializer: S,
+    ) -> Result<S::Ok, S::Error>
     where
         S: Serializer,
     {
-        serializer.serialize_str(&shell_words::join(value))
+        match value {
+            Some(value) => serializer.serialize_some(&shell_words::join(value)),
+            None => serializer.serialize_none(),
+        }
     }
 
-    pub(super) fn deserialize<'de, D>(deserializer: D) -> Result<Vec<String>, D::Error>
+    pub(super) fn deserialize<'de, D>(deserializer: D) -> Result<Option<Vec<String>>, D::Error>
     where
         D: Deserializer<'de>,
     {
         struct StringOrVec;
 
+        struct OptionVisitor;
+
         impl<'de> Visitor<'de> for StringOrVec {
             type Value = Vec<String>;
 
@@ -59,13 +68,6 @@ mod args_serde_with {
                 formatter.write_str("string or list of strings")
             }
 
-            fn visit_unit<E>(self) -> Result<Self::Value, E>
-            where
-                E: de::Error,
-            {
-                Ok(vec![])
-            }
-
             fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
             where
                 E: de::Error,
@@ -81,6 +83,38 @@ mod args_serde_with {
             }
         }
 
-        deserializer.deserialize_any(StringOrVec)
+        impl<'de> Visitor<'de> for OptionVisitor {
+            type Value = Option<Vec<String>>;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+                formatter.write_str("option")
+            }
+
+            #[inline]
+            fn visit_unit<E>(self) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                Ok(None)
+            }
+
+            #[inline]
+            fn visit_none<E>(self) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                Ok(None)
+            }
+
+            #[inline]
+            fn visit_some<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
+            where
+                D: Deserializer<'de>,
+            {
+                deserializer.deserialize_any(StringOrVec).map(Some)
+            }
+        }
+
+        deserializer.deserialize_option(OptionVisitor)
     }
 }

crates/hyfetch/src/neofetch_util.rs

@@ -15,12 +15,15 @@ use tracing::debug;
 
 use crate::color_util::{NeofetchAsciiIndexedColor, PresetIndexedColor};
 use crate::distros::Distro;
+use crate::presets::ColorProfile;
+use crate::types::{AnsiMode, Backend, LightDark};
 
-const NEOFETCH_COLOR_PATTERN: &str = r"\$\{c[0-9]\}";
+const NEOFETCH_COLOR_PATTERN: &str = r"\$\{c[0-6]\}";
 static NEOFETCH_COLOR_RE: OnceLock<Regex> = OnceLock::new();
 
 #[derive(Clone, Eq, PartialEq, Debug, Deserialize, Serialize)]
-#[serde(rename_all = "lowercase", tag = "mode")]
+#[serde(tag = "mode")]
+#[serde(rename_all = "lowercase")]
 pub enum ColorAlignment {
     Horizontal {
         fore_back: Option<(NeofetchAsciiIndexedColor, NeofetchAsciiIndexedColor)>,
@@ -34,6 +37,19 @@ pub enum ColorAlignment {
     },
 }
 
+impl ColorAlignment {
+    /// Uses the color alignment to recolor an ascii art.
+    pub fn recolor_ascii(
+        &self,
+        asc: String,
+        color_profile: ColorProfile,
+        color_mode: AnsiMode,
+        term: LightDark,
+    ) -> String {
+        todo!()
+    }
+}
+
 /// Gets the absolute path of the neofetch command.
 pub fn get_command_path() -> Result<PathBuf> {
     if let Ok(workspace_dir) = env::var("CARGO_WORKSPACE_DIR") {
@@ -93,6 +109,10 @@ where
     todo!()
 }
 
+pub fn run(asc: String, backend: Backend, args: Option<&Vec<String>>) -> Result<()> {
+    todo!()
+}
+
 /// Gets distro ascii width and height, ignoring color code.
 pub fn ascii_size<S>(asc: S) -> (u8, u8)
 where
@@ -101,9 +121,7 @@ where
     let asc = asc.as_ref();
 
     let Some(width) = NEOFETCH_COLOR_RE
-        .get_or_init(|| {
-            Regex::new(NEOFETCH_COLOR_PATTERN).expect("neofetch color regex should not be invalid")
-        })
+        .get_or_init(|| Regex::new(NEOFETCH_COLOR_PATTERN).unwrap())
         .replace_all(asc, "")
         .split('\n')
         .map(|line| line.len())

crates/hyfetch/src/presets.rs

@@ -484,7 +484,16 @@ impl ColorProfile {
 
     /// Creates a new color profile, with the colors set to the specified HSL
     /// lightness value, with respect to dark/light terminals.
-    pub fn with_lightness_dl(&self, lightness: Lightness, term: LightDark) -> Self {
+    pub fn with_lightness_dl(
+        &self,
+        lightness: Lightness,
+        term: LightDark,
+        use_overlay: bool,
+    ) -> Self {
+        if use_overlay {
+            todo!()
+        }
+
         match term {
             LightDark::Dark => self.with_lightness(AssignLightness::ClampMin(lightness)),
             LightDark::Light => self.with_lightness(AssignLightness::ClampMax(lightness)),

crates/hyfetch/src/types.rs

@@ -1,7 +1,9 @@
 use serde::{Deserialize, Serialize};
 use strum::{EnumString, VariantNames};
 
-#[derive(Clone, Eq, PartialEq, Hash, Debug, Deserialize, EnumString, Serialize, VariantNames)]
+#[derive(
+    Copy, Clone, Eq, PartialEq, Hash, Debug, Deserialize, EnumString, Serialize, VariantNames,
+)]
 #[serde(rename_all = "lowercase")]
 #[strum(serialize_all = "lowercase")]
 pub enum AnsiMode {
@@ -11,14 +13,16 @@ pub enum AnsiMode {
     Rgb,
 }
 
-#[derive(Clone, Eq, PartialEq, Hash, Debug, Deserialize, Serialize)]
+#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, Deserialize, Serialize)]
 #[serde(rename_all = "lowercase")]
 pub enum LightDark {
     Light,
     Dark,
 }
 
-#[derive(Clone, Eq, PartialEq, Hash, Debug, Deserialize, EnumString, Serialize, VariantNames)]
+#[derive(
+    Copy, Clone, Eq, PartialEq, Hash, Debug, Deserialize, EnumString, Serialize, VariantNames,
+)]
 #[serde(rename_all = "kebab-case")]
 #[strum(serialize_all = "kebab-case")]
 pub enum Backend {