libs/web/src/template_lmo.h

   1 /*
   2  * lmo - Lua Machine Objects - General header
   3  *
   4  *   Copyright (C) 2009-2012 Jo-Philipp Wich <xm@subsignal.org>
   5  *
   6  *  Licensed under the Apache License, Version 2.0 (the "License");
   7  *  you may not use this file except in compliance with the License.
   8  *  You may obtain a copy of the License at
   9  *
  10  *      http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  *  Unless required by applicable law or agreed to in writing, software
  13  *  distributed under the License is distributed on an "AS IS" BASIS,
  14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  *  See the License for the specific language governing permissions and
  16  *  limitations under the License.
  17  */
  18
  19 #ifndef _TEMPLATE_LMO_H_
  20 #define _TEMPLATE_LMO_H_
  21
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <stdint.h>
  25 #include <string.h>
  26 #include <fcntl.h>
  27 #include <sys/stat.h>
  28 #include <sys/mman.h>
  29 #include <arpa/inet.h>
  30 #include <unistd.h>
  31 #include <errno.h>
  32 #include <fnmatch.h>
  33 #include <dirent.h>
  34 #include <ctype.h>
  35
  36 #if (defined(__GNUC__) && defined(__i386__))
  37 #define sfh_get16(d) (*((const uint16_t *) (d)))
  38 #else
  39 #define sfh_get16(d) ((((uint32_t)(((const uint8_t *)(d))[1])) << 8)\
  40                                            +(uint32_t)(((const uint8_t *)(d))[0]) )
  41 #endif
  42
  43
  44 struct lmo_entry {
  45         uint32_t key_id;
  46         uint32_t val_id;
  47         uint32_t offset;
  48         uint32_t length;
  49 } __attribute__((packed));
  50
  51 typedef struct lmo_entry lmo_entry_t;
  52
  53
  54 struct lmo_archive {
  55         int         fd;
  56         int             length;
  57         uint32_t    size;
  58         lmo_entry_t *index;
  59         char        *mmap;
  60         char            *end;
  61         struct lmo_archive *next;
  62 };
  63
  64 typedef struct lmo_archive lmo_archive_t;
  65
  66
  67 struct lmo_catalog {
  68         char lang[6];
  69         struct lmo_archive *archives;
  70         struct lmo_catalog *next;
  71 };
  72
  73 typedef struct lmo_catalog lmo_catalog_t;
  74
  75
  76 uint32_t sfh_hash(const char *data, int len);
  77 uint32_t lmo_canon_hash(const char *data, int len);
  78
  79 lmo_archive_t * lmo_open(const char *file);
  80 void lmo_close(lmo_archive_t *ar);
  81
  82
  83 extern lmo_catalog_t *_lmo_catalogs;
  84 extern lmo_catalog_t *_lmo_active_catalog;
  85
  86 int lmo_load_catalog(const char *lang, const char *dir);
  87 int lmo_change_catalog(const char *lang);
  88 int lmo_translate(const char *key, int keylen, char **out, int *outlen);
  89 void lmo_close_catalog(const char *lang);
  90
  91 #endif