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/* Copyright (c) 2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "str.h"
#include "istream.h"
#include "array.h"
#include "var-expand.h"
#include "dlua-script.h"
#include "dlua-script-private.h"
#include "mail-storage.h"
#include "mailbox-attribute.h"
#include "mail-storage-lua.h"
#include "mail-storage-lua-private.h"
#include "mail-user.h"
#define LUA_STORAGE_MAIL "struct mail"
void dlua_push_mail(lua_State *L, struct mail *mail)
{
luaL_checkstack(L, 20, "out of memory");
/* create a table for holding few things */
lua_createtable(L, 0, 20);
luaL_setmetatable(L, LUA_STORAGE_MAIL);
lua_pushlightuserdata(L, mail);
lua_setfield(L, -2, "item");
#undef LUA_TABLE_SET_NUMBER
#define LUA_TABLE_SET_NUMBER(field) \
lua_pushnumber(L, mail->field); \
lua_setfield(L, -2, #field);
#undef LUA_TABLE_SET_BOOL
#define LUA_TABLE_SET_BOOL(field) \
lua_pushboolean(L, mail->field); \
lua_setfield(L, -2, #field);
LUA_TABLE_SET_NUMBER(seq);
LUA_TABLE_SET_NUMBER(uid);
LUA_TABLE_SET_BOOL(expunged);
dlua_push_mailbox(L, mail->box);
lua_setfield(L, -2, "mailbox");
}
static struct mail *
lua_check_storage_mail(lua_State *L, int arg)
{
if (!lua_istable(L, arg)) {
(void)luaL_error(L, "Bad argument #%d, expected %s got %s",
arg, LUA_STORAGE_MAIL,
lua_typename(L, lua_type(L, arg)));
}
lua_pushliteral(L, "item");
lua_rawget(L, arg);
void *bp = (void*)lua_touserdata(L, -1);
lua_pop(L, 1);
return (struct mail*)bp;
}
static int lua_storage_mail_tostring(lua_State *L)
{
DLUA_REQUIRE_ARGS(L, 1);
struct mail *mail = lua_check_storage_mail(L, 1);
const char *str =
t_strdup_printf("<%s:UID %u>", mailbox_get_vname(mail->box),
mail->uid);
lua_pushstring(L, str);
return 1;
}
static int lua_storage_mail_eq(lua_State *L)
{
DLUA_REQUIRE_ARGS(L, 2);
struct mail *mail = lua_check_storage_mail(L, 1);
struct mail *mail2 = lua_check_storage_mail(L, 2);
if (!DLUA_MAILBOX_EQUALS(mail->box, mail2->box))
lua_pushboolean(L, FALSE);
else
lua_pushboolean(L, mail->uid != mail2->uid);
return 1;
}
static int lua_storage_mail_lt(lua_State *L)
{
DLUA_REQUIRE_ARGS(L, 2);
struct mail *mail = lua_check_storage_mail(L, 1);
struct mail *mail2 = lua_check_storage_mail(L, 2);
if (!DLUA_MAILBOX_EQUALS(mail->box, mail2->box))
return luaL_error(L,
"For lt, Mail can only be compared within same mailbox");
else
lua_pushboolean(L, mail->uid < mail2->uid);
return 1;
}
static int lua_storage_mail_le(lua_State *L)
{
DLUA_REQUIRE_ARGS(L, 2);
struct mail *mail = lua_check_storage_mail(L, 1);
struct mail *mail2 = lua_check_storage_mail(L, 2);
if (!DLUA_MAILBOX_EQUALS(mail->box, mail2->box))
return luaL_error(L,
"For le, mails can only be within same mailbox");
else
lua_pushboolean(L, mail->uid <= mail2->uid);
return 1;
}
static int lua_storage_mail_gc(lua_State *L)
{
(void)lua_check_storage_mail(L, 1);
/* reset value to NULL */
lua_pushliteral(L, "item");
lua_pushnil(L);
lua_rawset(L, 1);
return 0;
}
static luaL_Reg lua_storage_mail_methods[] = {
{ "__tostring", lua_storage_mail_tostring },
{ "__eq", lua_storage_mail_eq },
{ "__lt", lua_storage_mail_lt },
{ "__le", lua_storage_mail_le },
{ "__gc", lua_storage_mail_gc },
{ NULL, NULL }
};
void lua_storage_mail_register(struct dlua_script *script)
{
luaL_newmetatable(script->L, LUA_STORAGE_MAIL);
lua_pushvalue(script->L, -1);
lua_setfield(script->L, -2, "__index");
luaL_setfuncs(script->L, lua_storage_mail_methods, 0);
lua_pop(script->L, 1);
}
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