From b747ca8af52129876b577a4f20f7105a05c6b002 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Sat, 10 Aug 2024 15:41:31 +0200
Subject: add global fileloader registry

---
 src/sheet/tablized.rs | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 src/sheet/tablized.rs

(limited to 'src/sheet/tablized.rs')

diff --git a/src/sheet/tablized.rs b/src/sheet/tablized.rs
new file mode 100644
index 0000000..a40af0d
--- /dev/null
+++ b/src/sheet/tablized.rs
@@ -0,0 +1,60 @@
+use mlua::{FromLuaMulti, Lua, RegistryKey};
+
+use super::{
+    cell::Cell,
+    register::{Register, SheetId},
+};
+
+pub enum Tablized {
+    Vector(Vec<Vec<Cell>>),
+    Table(RegistryKey),
+}
+
+impl Tablized {
+    pub fn to_sheet(&self, lua: &Lua) -> mlua::Result<SheetId> {
+        match self {
+            Tablized::Vector(v) => {
+                let rows = v.len();
+                let columns = v
+                    .iter()
+                    .max_by_key(|v| v.len())
+                    .unwrap_or(&Vec::new())
+                    .len();
+
+                let id = Register::create(columns, rows);
+                let lock = Register::get(id).unwrap();
+                let mut sheet = lock.write().unwrap();
+
+                for row in 0..rows {
+                    for column in 0..columns {
+                        if let Some(value) = v.get(row).and_then(|c| c.get(column)) {
+                            sheet.set_cell(row, column, value.clone())
+                        }
+                    }
+                }
+
+                Ok(id)
+            }
+            Tablized::Table(key) => {
+                let table = lua.registry_value(key)?;
+                Register::create_from_table(table)
+            },
+        }
+    }
+}
+
+impl<'lua> FromLuaMulti<'lua> for Tablized {
+    fn from_lua_multi(
+        values: mlua::prelude::LuaMultiValue<'lua>,
+        lua: &'lua mlua::prelude::Lua,
+    ) -> mlua::prelude::LuaResult<Self> {
+        if let Some(value) = values.get(0) {
+            if value.is_table() {
+                let key = lua.create_registry_value(value)?;
+                return Ok(Self::Table(key));
+            }
+        }
+
+        Err(mlua::Error::runtime("table needed"))
+    }
+}
-- 
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