first commit

README.md

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+# About
+
+This project aims to provide basic lua bindings to [liblilv](https://github.com/lv2/lilv).
+
+## done
+
+- lv2ls
+
+## todo
+
+- lv2ls --name
+- lv2info
+- everything else

lilv.lua

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+local ffi = require "ffi"
+local lv2 = ffi.load("liblilv-0.so.0")
+
+
+ffi.cdef [[
+    typedef struct LilvPluginImpl      LilvPlugin;      /**< LV2 Plugin. */
+    typedef struct LilvPluginClassImpl LilvPluginClass; /**< Plugin Class. */
+    typedef struct LilvPortImpl        LilvPort;        /**< Port. */
+    typedef struct LilvScalePointImpl  LilvScalePoint;  /**< Scale Point. */
+    typedef struct LilvUIImpl          LilvUI;          /**< Plugin UI. */
+    typedef struct LilvNodeImpl        LilvNode;        /**< Typed Value. */
+    typedef struct LilvWorldImpl       LilvWorld;       /**< Lilv World. */
+    typedef struct LilvInstanceImpl    LilvInstance;    /**< Plugin instance. */
+    typedef struct LilvStateImpl       LilvState;       /**< Plugin state. */
+
+    typedef void LilvIter;          /**< Collection iterator */
+    typedef void LilvPluginClasses; /**< A set of #LilvPluginClass. */
+    typedef void LilvPlugins;       /**< A set of #LilvPlugin. */
+    typedef void LilvScalePoints;   /**< A set of #LilvScalePoint. */
+    typedef void LilvUIs;           /**< A set of #LilvUI. */
+    typedef void LilvNodes;         /**< A set of #LilvNode. */
+
+    LilvWorld* lilv_world_new();
+    void lilv_world_load_all(LilvWorld*);
+    LilvPlugins* lilv_world_get_all_plugins(LilvWorld*);
+
+    unsigned lilv_plugins_size(const LilvPlugins*);
+    LilvIter* lilv_plugins_begin(const LilvPlugins*);
+    const LilvPlugin* lilv_plugins_get(const LilvPlugins*, LilvIter*);
+    LilvIter* lilv_plugins_next(const LilvPlugins*, LilvIter*);
+    bool lilv_plugins_is_end(const LilvPlugins*, LilvIter*);
+
+    const LilvNode* lilv_plugin_get_uri(const LilvPlugin*);
+    const LilvNode* lilv_plugin_get_bundle_uri(const LilvPlugin*);
+    const LilvNode* lilv_plugin_get_library_uri(const LilvPlugin*);
+
+    const char* lilv_node_as_uri(const LilvNode*);
+]]
+
+return lv2

lv2info.lua

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+local ffi = require "ffi"
+local lv2 = require('lilv')
+
+
+local world = lv2.lilv_world_new()
+lv2.lilv_world_load_all(world)
+local plugins = lv2.lilv_world_get_all_plugins(world)

lv2ls.lua

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+local ffi = require "ffi"
+local lv2 = require('lilv')
+
+
+local world = lv2.lilv_world_new()
+lv2.lilv_world_load_all(world)
+local plugins = lv2.lilv_world_get_all_plugins(world)
+
+
+local function list_plugins(plugin_list, show_names)
+    local iter = lv2.lilv_plugins_begin(plugin_list)
+
+    while not lv2.lilv_plugins_is_end(plugin_list, iter) do
+        local plugin = lv2.lilv_plugins_get(plugin_list, iter)
+
+        if show_names then
+            print('thing')
+        else
+            local plugin_get_uri = lv2.lilv_plugin_get_uri(plugin)
+            local node_as_uri = lv2.lilv_node_as_uri(plugin_get_uri)
+            local uri = ffi.string(node_as_uri)
+
+            print(uri)
+        end
+
+        iter = lv2.lilv_plugins_next(plugin_list, iter)
+    end
+end
+
+list_plugins(plugins, false)