refactor: allow using only the model without any logic

Cargo.toml

@@ -6,18 +6,37 @@ autoexamples = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+model = [
+    "serde_json",
+]
+logic = [
+    "model",
+    "blake3",
+    "crossbeam-channel",
+    "crossbeam-utils",
+    "flate2",
+    "num_cpus",
+    "serde",
+    "serde_json",
+    "sqpack",
+    "tempfile",
+    "thiserror",
+    "zip",
+]
+
 [dependencies]
-blake3 = { version = "1", features = ["traits-preview"] }
-crossbeam-channel = "0.5"
-crossbeam-utils = "0.8"
-flate2 = { version = "1", default-features = false, features = ["zlib-ng"] }
-num_cpus = "1"
-serde = { version = "1", features = ["derive"] }
-serde_json = "1"
-sqpack = { git = "https://git.anna.lgbt/ascclemens/sqpack-rs", features = ["read", "write"] }
-tempfile = "3"
-thiserror = "1"
-zip = { version = "0.6", default-features = false, features = ["deflate-zlib"] }
+blake3 = { version = "1", features = ["traits-preview"], optional = true }
+crossbeam-channel = { version = "0.5", optional = true }
+crossbeam-utils = { version = "0.8", optional = true }
+flate2 = { version = "1", default-features = false, features = ["zlib-ng"], optional = true }
+num_cpus = { version = "1", optional = true }
+serde = { version = "1", features = ["derive"], optional = true }
+serde_json = { version = "1", optional = true }
+sqpack = { git = "https://git.anna.lgbt/ascclemens/sqpack-rs", features = ["read", "write"], optional = true }
+tempfile = { version = "3", optional = true }
+thiserror = { version = "1", optional = true }
+zip = { version = "0.6", default-features = false, features = ["deflate-zlib"], optional = true }
 
 [dev-dependencies]
 anyhow = "1"

src/lib.rs

@@ -1,22 +1,41 @@
+#[cfg(feature = "logic")]
 use std::io::{Read, Seek};
 
-use serde::de::Error as _;
-use serde::Deserialize;
-use serde_json::StreamDeserializer;
-use serde_json::de::IoRead;
+#[cfg(feature = "logic")]
+use serde::{
+    de::Error as _,
+    Deserialize,
+};
+#[cfg(feature = "logic")]
+use serde_json::{
+    de::IoRead,
+    StreamDeserializer,
+};
+#[cfg(feature = "logic")]
 pub use zip::{read::ZipFile, ZipArchive};
 
+#[cfg(feature = "logic")]
+use crate::{
+    model::{ModPack, SimpleMod},
+    model::manifest_kind::ManifestKind,
+};
+#[cfg(feature = "logic")]
 use crate::error::{Error, Result};
-use crate::model::{ModPack, SimpleMod};
-use crate::model::manifest_kind::ManifestKind;
 
+#[cfg(feature = "model")]
 pub mod model;
+#[cfg(feature = "logic")]
 pub mod error;
+#[cfg(feature = "logic")]
 pub(crate) mod tracking_reader;
+#[cfg(feature = "logic")]
 pub mod ttmp_extractor;
+#[cfg(feature = "logic")]
 pub mod mpd_encoder;
+#[cfg(feature = "logic")]
 pub(crate) mod util;
 
+#[cfg(feature = "logic")]
 pub fn from_value(value: serde_json::Value) -> Result<ManifestKind> {
     let manifest = if value.is_array() {
         ManifestKind::V1(serde_json::from_value(value).map_err(Error::InvalidManifest)?)
@@ -27,6 +46,7 @@ pub fn from_value(value: serde_json::Value) -> Result<ManifestKind> {
     Ok(manifest)
 }
 
+#[cfg(feature = "logic")]
 pub fn from_reader<R: Read + Seek>(reader: R) -> Result<(ManifestKind, ZipArchive<R>)> {
     let mut zip = ZipArchive::new(reader).map_err(Error::Zip)?;
     let manifest = zip.by_name("TTMPL.mpl").map_err(Error::Zip)?;

src/model/manifest_kind.rs

@@ -1,9 +1,8 @@
-use serde::{Deserialize, Serialize};
-
 use crate::model::{ModPack, SimpleMod};
 
-#[derive(Debug, Deserialize, Serialize, Clone)]
-#[serde(rename_all = "snake_case")]
+#[derive(Debug, Clone)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
+#[cfg_attr(feature = "serde", serde(rename_all = "snake_case"))]
 pub enum ManifestKind {
     V1(Vec<SimpleMod>),
     V2(ModPack),

src/model/mod_group.rs

@@ -1,9 +1,8 @@
-use serde::{Deserialize, Serialize};
-
 use crate::model::{ModOption, SelectionType};
 
-#[derive(Debug, Deserialize, Serialize, Clone)]
-#[serde(rename_all = "PascalCase")]
+#[derive(Debug, Clone)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
+#[cfg_attr(feature = "serde", serde(rename_all = "PascalCase"))]
 pub struct ModGroup {
     pub group_name: String,
     pub selection_type: SelectionType,

src/model/mod_option.rs

@@ -1,9 +1,8 @@
-use serde::{Deserialize, Serialize};
-
 use crate::model::{SelectionType, SimpleMod};
 
-#[derive(Debug, Deserialize, Serialize, Clone)]
-#[serde(rename_all = "PascalCase")]
+#[derive(Debug, Clone)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
+#[cfg_attr(feature = "serde", serde(rename_all = "PascalCase"))]
 pub struct ModOption {
     pub name: String,
     pub description: Option<String>,

src/model/mod_pack.rs

@@ -1,12 +1,11 @@
-use serde::{Deserialize, Serialize};
-
 use crate::model::{ModPackPage, SimpleMod};
 
-#[derive(Debug, Deserialize, Serialize, Clone)]
-#[serde(rename_all = "PascalCase")]
+#[derive(Debug, Clone)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
+#[cfg_attr(feature = "serde", serde(rename_all = "PascalCase"))]
 pub struct ModPack {
     pub minimum_framework_version: Option<String>,
-    #[serde(rename = "TTMPVersion")]
+    #[cfg_attr(feature = "serde", serde(rename = "TTMPVersion"))]
     pub ttmp_version: String,
     pub name: String,
     pub author: String,

src/model/mod_pack_page.rs

@@ -1,9 +1,8 @@
-use serde::{Deserialize, Serialize};
-
 use crate::model::ModGroup;
 
-#[derive(Debug, Deserialize, Serialize, Clone)]
-#[serde(rename_all = "PascalCase")]
+#[derive(Debug, Clone)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
+#[cfg_attr(feature = "serde", serde(rename_all = "PascalCase"))]
 pub struct ModPackPage {
     pub page_index: i32,
     pub mod_groups: Vec<ModGroup>,

src/model/selection_type.rs

@@ -1,6 +1,5 @@
-use serde::{Deserialize, Serialize};
-
-#[derive(Debug, Deserialize, Serialize, Copy, Clone, Ord, PartialOrd, Eq, PartialEq)]
+#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub enum SelectionType {
     Single,
     Multi,

src/model/simple_mod.rs

@@ -1,19 +1,18 @@
-use serde::{Deserialize, Serialize};
-
 use crate::model::ModPack;
 
-#[derive(Debug, Deserialize, Serialize, Clone)]
-#[serde(rename_all = "PascalCase")]
+#[derive(Debug, Clone)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
+#[cfg_attr(feature = "serde", serde(rename_all = "PascalCase"))]
 pub struct SimpleMod {
     pub name: String,
     pub category: String,
     pub full_path: String,
     pub dat_file: String,
-    #[serde(default)]
+    #[cfg_attr(feature = "serde", serde(default))]
     pub is_default: bool,
     pub mod_offset: usize,
     pub mod_size: usize,
-    #[serde(default)]
+    #[cfg_attr(feature = "serde", serde(default))]
     pub mod_pack_entry: Option<serde_json::Value>,
 }