Refactor code

1 files changed, 47 insertions, 0 deletions

diff --git a/srchr/src/config.rs b/srchr/src/config.rs
new file mode 100644
index 0000000..99afa4c
--- /dev/null
+++ b/srchr/src/config.rs
@@ -0,0 +1,47 @@
+// Search parameters
+pub const CORPUS_FILE_NAME: &str = "corpus.txt";
+
+pub const STARTING_LAYOUT_STRING: &str = "
+Q W E R T  Y U I O P
+A S D F G  H J K L '
+Z X C V B  N M , . /
+";
+
+pub const NUM_CONTESTANTS: usize = 128;
+pub const NUM_PERSIST: usize = 8;
+
+pub const DESIRED_INDEX_USAGE_PERCENT: f32 = 0.15;
+pub const fn index_usage_fitness(index_threshold: u32, index_count: u32) -> u32 {
+    (index_threshold as i64 - index_count as i64).abs() as u32 / 64
+}
+
+// Do not change, code makes assumptions about these
+pub const NUM_KEYS: usize = 30;
+pub const ROW_LENGTH: usize = 10;
+
+pub const KEY_CHARS: [char; NUM_KEYS] = [
+    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
+    'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '/', '.', ',', '\'',
+];
+
+pub const KEY_TO_FINGER: [usize; NUM_KEYS] = [
+    0, 1, 2, 3, 3, 4, 4, 5, 6, 7, 0, 1, 2, 3, 3, 4, 4, 5, 6, 7, 0, 1, 2, 3, 3, 4, 4, 5, 6, 7,
+];
+
+pub fn canonicalise(inp: char) -> Option<char> {
+    if inp.is_ascii_alphabetic() {
+        return Some(inp.to_ascii_uppercase());
+    } else {
+        match inp {
+            '.' => Some('.'),
+            '>' => Some('.'),
+            ',' => Some(','),
+            '<' => Some(','),
+            '/' => Some('/'),
+            '?' => Some('/'),
+            '\'' => Some('\''),
+            '"' => Some('\''),
+            _ => None,
+        }
+    }
+}