initial commit

Author: levydsa

.envrc

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+use flake

.gitignore

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+.direnv

.gitmodules

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+[submodule "libsql-c"]
+	path = libsql-c
+	url = https://github.com/tursodatabase/libsql-c

Gemfile

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+source "https://rubygems.org"
+
+gem "rspec", "~> 3.10"
+
+gem "ffi", "~> 1.17"

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.5.1)
+    ffi (1.17.0)
+    ffi (1.17.0-arm64-darwin)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.1)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.1)
+
+PLATFORMS
+  arm64-darwin-23
+  ruby
+
+DEPENDENCIES
+  ffi (~> 1.17)
+  rspec (~> 3.10)
+
+BUNDLED WITH
+   2.5.16

build.sh

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+#!/usr/bin/env sh
+
+set -xe
+
+cd libsql-c
+
+cargo zigbuild --target universal2-apple-darwin --release
+RUSTFLAGS="-C target-feature=-crt-static" cargo zigbuild --target aarch64-unknown-linux-musl --release
+RUSTFLAGS="-C target-feature=-crt-static" cargo zigbuild --target x86_64-unknown-linux-musl --release
+
+rm -rf \
+  ../lib/lib/aarch64-unknown-linux-musl \
+  ../lib/lib/x86_64-unknown-linux-musl \
+  ../lib/lib/universal2-apple-darwin \
+
+mkdir -p \
+  ../lib/lib/aarch64-unknown-linux-musl \
+  ../lib/lib/x86_64-unknown-linux-musl \
+  ../lib/lib/universal2-apple-darwin \
+
+cp ./target/x86_64-unknown-linux-musl/release/liblibsql.so ../lib/lib/x86_64-unknown-linux-musl/
+cp ./target/aarch64-unknown-linux-musl/release/liblibsql.so ../lib/lib/aarch64-unknown-linux-musl/
+cp ./target/universal2-apple-darwin/release/liblibsql.dylib ../lib/lib/universal2-apple-darwin/

flake.lock

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+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+    };
+  };
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+      in
+      {
+        devShells.default =
+          with pkgs;
+          mkShell {
+            buildInputs = [
+              (ruby.withPackages (ps: with ps; [ bundler ]))
+              turso-cli
+              ruby-lsp
+            ] ++ lib.optionals stdenv.isDarwin [ iconv ];
+          };
+      });
+}
+

flake.nix

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+
+require 'ffi';
+
+module Libsql
+  extend FFI::Library
+
+  lib = File.expand_path('../lib/universal2-apple-darwin/liblibsql.dylib', __FILE__)
+  ffi_lib lib
+
+  Cypher = enum(:default, :aes256)
+  Type = enum(
+    :integer, 1,
+    :real, 2,
+    :text, 3,
+    :blob, 4,
+    :null, 5
+  )
+
+  class Database < FFI::Struct
+    layout :err => :pointer,
+           :inner => :pointer
+  end
+
+  class Connection < FFI::Struct
+    layout :err => :pointer,
+           :inner => :pointer
+  end
+
+  class Transaction < FFI::Struct
+    layout :err => :pointer,
+           :inner => :pointer
+  end
+
+  class Statement < FFI::Struct
+    layout :err => :pointer,
+           :inner => :pointer
+  end
+
+  class DatabaseDesc < FFI::Struct
+    layout :url => :string,
+           :path => :string,
+           :auth_token => :string,
+           :encryption_key => :string,
+           :sync_inteval => :uint64,
+           :cypher => Cypher,
+           :disable_read_your_writes => :bool,
+           :webpki => :bool
+  end
+
+  attach_function :libsql_database_init, [DatabaseDesc.by_value], Database.by_value
+  attach_function :libsql_database_deinit, [Database.by_value], :void
+  attach_function :libsql_database_sync, [Database.by_value], Database.by_value
+  attach_function :libsql_database_connect, [Database.by_value], Connection.by_value
+
+  attach_function :libsql_connection_deinit, [Connection.by_value], :void
+  attach_function :libsql_connection_transaction, [Connection.by_value], Transaction.by_value
+  attach_function :libsql_connection_prepare, [Connection.by_value, :string], Statement.by_value
+
+  attach_function :libsql_error_message, [:pointer], :string
+end
+
+desc = Libsql::DatabaseDesc.new
+
+db = Libsql.libsql_database_init(desc)
+conn = Libsql.libsql_database_connect(db)
+
+puts conn.values