! initial commitHEADmaster

5 files changed, 157 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ae5903e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.hgignore
+.hg/
+target/
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..4c3223d
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,71 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "autocfg"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "bitflags"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "bstr"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cc"
+version = "1.0.49"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "libc"
+version = "0.2.66"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "memchr"
+version = "2.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "num-traits"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rlua"
+version = "0.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bstr 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rlua_ext"
+version = "0.1.0"
+dependencies = [
+ "rlua 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[metadata]
+"checksum autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
+"checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+"checksum bstr 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8d6c2c5b58ab920a4f5aeaaca34b4488074e8cc7596af94e6f8c6ff247c60245"
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+"checksum libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)" = "d515b1f41455adea1313a4a2ac8a8a477634fbae63cc6100e3aebb207ce61558"
+"checksum memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88579771288728879b57485cc7d6b07d648c9f0141eb955f8ab7f9d45394468e"
+"checksum num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c81ffc11c212fa327657cb19dd85eb7419e163b5b076bede2bdb5c974c07e4"
+"checksum rlua 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)" = "25fa5b2c667bae0b6218361e96d365e414fe4a0fa80f476b9631aa2dea2c6881"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..b823b22
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "rlua_ext"
+version = "0.1.0"
+authors = ["N/A <N/A>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rlua = "0.17"
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..2c0de3c
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# rlua_ext
+
+A few extensions to the [`rlua`](https://crates.io/crates/rlua) crate.
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..628dcc0
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,70 @@
+use std::fmt::{Display, Formatter, Result};
+
+use rlua::Value;
+
+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+pub enum ValueType {
+    /// The Lua value `nil`.
+    Nil,
+    /// The Lua value `true` or `false`.
+    Boolean,
+    /// A "light userdata" object, equivalent to a raw pointer.
+    LightUserData,
+    /// An integer number.
+    ///
+    /// Any Lua number convertible to a `Integer` will be represented as this variant.
+    Integer,
+    /// A floating point number.
+    Number,
+    /// An interned string, managed by Lua.
+    ///
+    /// Unlike Rust strings, Lua strings may not be valid UTF-8.
+    String,
+    /// Reference to a Lua table.
+    Table,
+    /// Reference to a Lua function (or closure).
+    Function,
+    /// Reference to a Lua thread (or coroutine).
+    Thread,
+    /// Reference to a userdata object that holds a custom type which implements `UserData`.
+    /// Special builtin userdata types will be represented as other `Value` variants.
+    UserData,
+    /// `Error` is a special builtin userdata type.  When received from Lua it is implicitly cloned.
+    Error,
+}
+
+impl Display for ValueType {
+    fn fmt(&self, f: &mut Formatter) -> Result {
+        use ValueType::*;
+
+        match self {
+            Nil => write!(f, "Nil"),
+            Boolean => write!(f, "Boolean"),
+            LightUserData => write!(f, "LightUserData"),
+            Integer => write!(f, "Integer"),
+            Number => write!(f, "Number"),
+            String => write!(f, "String"),
+            Table => write!(f, "Table"),
+            Function => write!(f, "Function"),
+            Thread => write!(f, "Thread"),
+            UserData => write!(f, "UserData"),
+            Error => write!(f, "Error"),
+        }
+    }
+}
+
+pub fn value_type(value: &Value) -> ValueType {
+    match value {
+        Value::Nil => ValueType::Nil,
+        Value::Boolean(_) => ValueType::Boolean,
+        Value::LightUserData(_) => ValueType::LightUserData,
+        Value::Integer(_) => ValueType::Integer,
+        Value::Number(_) => ValueType::Number,
+        Value::String(_) => ValueType::String,
+        Value::Table(_) => ValueType::Table,
+        Value::Function(_) => ValueType::Function,
+        Value::Thread(_) => ValueType::Thread,
+        Value::UserData(_) => ValueType::UserData,
+        Value::Error(_) => ValueType::Error,
+    }
+}