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#include <lua.h> |
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#include <lauxlib.h> |
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#include <loudmouth/loudmouth.h> |
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#include "lm_types.h" |
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/// lm.message_node |
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/// Object, representing xml node of the message. |
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/// Cannot be created directly, only as a part of message tree. |
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/// lm.message_node.bless |
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/// Blesses given pointer to lm message node object. |
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/// A: lightuserdata (C lm message node object) |
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/// R: lm message node object |
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static int llm_message_node_bless_lua (lua_State *L) |
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{ |
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luaL_argcheck (L, lua_islightuserdata (L, 1), 1, "loudmouth message node lightuserdata expected"); |
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llm_message_node_bless (L, lua_touserdata (L, 1)); |
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lua_remove (L, -2); |
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return 1; |
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} |
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/// message_node:name |
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/// Gets a name of message node. |
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/// R: string |
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static int llm_message_node_name (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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lua_pushstring (L, object->message_node->name); |
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lua_remove (L, -2); |
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return 1; |
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} |
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/// message_node:next |
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/// Gets next message node. |
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/// R: lm message node object or nil |
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static int llm_message_node_next (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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LmMessageNode *node = object->message_node->next; |
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if (node) |
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llm_message_node_bless (L, node); |
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else |
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lua_pushnil (L); |
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lua_remove (L, -2); |
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return 1; |
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} |
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/// message_node:prev |
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/// Gets previous message node. |
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/// R: lm message node object or nil |
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static int llm_message_node_prev (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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LmMessageNode *node = object->message_node->prev; |
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if (node) |
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llm_message_node_bless (L, node); |
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else |
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lua_pushnil (L); |
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lua_remove (L, -2); |
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return 1; |
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} |
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/// message_node:children |
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/// Gets first child node (raw access used). |
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/// R: lm message node object or nil |
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static int llm_message_node_children (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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LmMessageNode *node = object->message_node->children; |
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if (node) |
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llm_message_node_bless (L, node); |
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else |
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lua_pushnil (L); |
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lua_remove (L, -2); |
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return 1; |
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} |
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/// message_node:parent |
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/// Gets parent message node. |
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/// R: lm message node object or nil |
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static int llm_message_node_parent (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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LmMessageNode *node = object->message_node->parent; |
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if (node) |
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llm_message_node_bless (L, node); |
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else |
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lua_pushnil (L); |
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lua_remove (L, -2); |
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return 1; |
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} |
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/// message_node:value |
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/// Gets or sets a value of message node. |
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/// A: string (optional value) |
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/// R: string (if called without arguments) |
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static int llm_message_node_value (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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if (lua_gettop (L) > 1) { // Set |
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const char *value = luaL_checkstring (L, 2); |
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lm_message_node_set_value (object->message_node, value); |
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lua_pop (L, 2); |
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return 0; |
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} else { // Get |
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lua_pushstring (L, lm_message_node_get_value (object->message_node)); |
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lua_remove (L, -2); |
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return 1; |
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} |
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} |
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/// message_node:child |
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/// Gets or creates child node object with given name. |
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/// A: string (name), string (optional value) |
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/// R: lm message node object or nil |
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static int llm_message_node_child (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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const char *name = luaL_checkstring (L, 2); |
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LmMessageNode *child; |
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if (lua_gettop (L) > 2) { // Add |
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child = lm_message_node_add_child (object->message_node, name, |
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luaL_checkstring (L, 3)); |
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lua_pop (L, 1); |
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} else { // Get |
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child = lm_message_node_get_child (object->message_node, name); |
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if (!child) { |
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lua_pushnil (L); |
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return 1; |
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} |
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} |
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llm_message_node_bless (L, child); |
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// XXX lm_message_node_unref (child); |
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lua_remove (L, -2); |
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lua_remove (L, -2); |
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return 1; |
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} |
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/// message_node:find_child |
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/// Searches for node with a given name over all node subtree. |
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/// A: string (name) |
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/// R: lm message node object or nil |
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static int llm_message_node_find_child (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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const char *name = luaL_checkstring (L, 2); |
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LmMessageNode *child; |
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child = lm_message_node_get_child (object->message_node, name); |
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if (!child) |
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lua_pushnil (L); |
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else { |
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llm_message_node_bless (L, child); |
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// XXX lm_message_node_unref (child); |
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} |
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lua_remove (L, -2); |
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lua_remove (L, -2); |
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return 1; |
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} |
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/// message_node:raw |
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/// Gets or sets raw mode flag for node. |
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/// When set, value of node will not be escaped. |
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/// A: boolean (optional) |
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/// V: boolean (if called with no apguments) |
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static int llm_message_node_raw (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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if (lua_gettop (L) > 1) { // Set |
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luaL_checktype (L, 2, LUA_TBOOLEAN); |
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lm_message_node_set_raw_mode (object->message_node, lua_toboolean (L, 2)); |
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lua_pop (L, 2); |
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return 0; |
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} else { // Get |
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lua_pushboolean (L, lm_message_node_get_raw_mode (object->message_node)); |
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lua_remove (L, -2); |
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return 1; |
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} |
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} |
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/// message_node:attribute |
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/// Gets or sets value of node attribute with a given name. |
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/// A: string (name), string (optional value) |
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/// R: string (when called with one aprgument) |
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static int llm_message_node_attribute (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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const char *name = luaL_checkstring (L, 2); |
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if (lua_gettop (L) > 2) { // Set |
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lm_message_node_set_attribute (object->message_node, name, luaL_checkstring (L, 3)); |
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lua_pop (L, 3); |
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return 0; |
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} else { // Get |
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lua_pushstring (L, lm_message_node_get_attribute (object->message_node, name)); |
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lua_remove (L, -2); |
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lua_remove (L, -2); |
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return 1; |
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} |
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} |
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/// message_node:xml |
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/// Returns node representation in xml. |
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/// R: string |
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static int llm_message_node_xml (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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lua_pushstring (L, lm_message_node_to_string (object->message_node)); |
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lua_remove (L, -2); |
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return 1; |
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} |
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/// message_node:pointer |
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/// Returns pointer to underlying C structure. |
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/// R: lightuserdata |
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static int llm_message_node_pointer (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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lua_pushlightuserdata (L, object->message_node); |
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lua_remove (L, -2); |
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return 1; |
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} |
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static int llm_message_node_gc (lua_State *L) |
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{ |
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llm_message_node_t *object = luaL_checklm_message_node (L, 1); |
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lm_message_node_unref (object->message_node); |
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lua_pop (L, 1); |
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return 0; |
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} |
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static const luaL_Reg llm_message_node_reg_f[] = { |
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{ "bless", llm_message_node_bless_lua }, |
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{ NULL, NULL }, |
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}; |
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static const luaL_Reg llm_message_node_reg_m[] = { |
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{ "name", llm_message_node_name }, |
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{ "next", llm_message_node_next }, |
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{ "prev", llm_message_node_prev }, |
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{ "children", llm_message_node_children }, |
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{ "parent", llm_message_node_parent }, |
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{ "value", llm_message_node_value }, |
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{ "child", llm_message_node_child }, |
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{ "find_child", llm_message_node_find_child }, |
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{ "attribute", llm_message_node_attribute }, |
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{ "raw", llm_message_node_raw }, |
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{ "xml", llm_message_node_xml }, |
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{ "pointer", llm_message_node_pointer }, |
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{ "__gc", llm_message_node_gc }, |
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{ NULL, NULL }, |
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}; |
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int luaopen_lm_message_node (lua_State *L) |
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{ |
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luaL_newmetatable (L, "loudmouth.message_node"); |
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lua_pushstring (L, "__index"); |
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lua_pushvalue (L, -2); |
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lua_settable (L, -3); |
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luaL_register (L, NULL, llm_message_node_reg_m); |
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lua_pop (L, 1); |
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luaL_register (L, "lm.message_node", llm_message_node_reg_f); |
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return 1; |
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} |
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