Ungoing refactoring

src/model/docs.rs

@@ -0,0 +1,86 @@
+pub enum DocEntry {
+    Section(&'static str),
+    Topic(&'static str, &'static str),
+}
+
+use DocEntry::{Section, Topic};
+
+pub const DOCS: &[DocEntry] = &[
+    // Getting Started
+    Section("Getting Started"),
+    Topic("Welcome", include_str!("../../docs/welcome.md")),
+    Topic("Moving Around", include_str!("../../docs/navigation.md")),
+    Topic(
+        "How Does It Work?",
+        include_str!("../../docs/how_it_works.md"),
+    ),
+    Topic(
+        "Banks & Patterns",
+        include_str!("../../docs/banks_patterns.md"),
+    ),
+    Topic("Stage / Commit", include_str!("../../docs/staging.md")),
+    Topic("Using the Sequencer", include_str!("../../docs/grid.md")),
+    Topic("Editing a Step", include_str!("../../docs/editing.md")),
+    // Forth fundamentals
+    Section("Forth"),
+    Topic("About Forth", include_str!("../../docs/about_forth.md")),
+    Topic("The Dictionary", include_str!("../../docs/dictionary.md")),
+    Topic("The Stack", include_str!("../../docs/stack.md")),
+    Topic("Creating Words", include_str!("../../docs/definitions.md")),
+    Topic("Oddities", include_str!("../../docs/oddities.md")),
+    // Audio Engine
+    Section("Audio Engine"),
+    Topic("Introduction", include_str!("../../docs/engine_intro.md")),
+    Topic("Settings", include_str!("../../docs/engine_settings.md")),
+    Topic("Sources", include_str!("../../docs/engine_sources.md")),
+    Topic("Samples", include_str!("../../docs/engine_samples.md")),
+    Topic("Wavetables", include_str!("../../docs/engine_wavetable.md")),
+    Topic("Filters", include_str!("../../docs/engine_filters.md")),
+    Topic(
+        "Modulation",
+        include_str!("../../docs/engine_modulation.md"),
+    ),
+    Topic(
+        "Distortion",
+        include_str!("../../docs/engine_distortion.md"),
+    ),
+    Topic("Space & Time", include_str!("../../docs/engine_space.md")),
+    Topic("Words & Sounds", include_str!("../../docs/engine_words.md")),
+    // MIDI
+    Section("MIDI"),
+    Topic("Introduction", include_str!("../../docs/midi_intro.md")),
+    Topic("MIDI Output", include_str!("../../docs/midi_output.md")),
+    Topic("MIDI Input", include_str!("../../docs/midi_input.md")),
+];
+
+pub fn topic_count() -> usize {
+    DOCS.iter().filter(|e| matches!(e, Topic(_, _))).count()
+}
+
+pub fn get_topic(index: usize) -> Option<(&'static str, &'static str)> {
+    DOCS.iter()
+        .filter_map(|e| match e {
+            Topic(name, content) => Some((*name, *content)),
+            Section(_) => None,
+        })
+        .nth(index)
+}
+
+pub fn find_match(query: &str) -> Option<(usize, usize)> {
+    let query = query.to_lowercase();
+    for (topic_idx, (_, content)) in DOCS
+        .iter()
+        .filter_map(|e| match e {
+            Topic(name, content) => Some((*name, *content)),
+            Section(_) => None,
+        })
+        .enumerate()
+    {
+        for (line_idx, line) in content.lines().enumerate() {
+            if line.to_lowercase().contains(&query) {
+                return Some((topic_idx, line_idx));
+            }
+        }
+    }
+    None
+}