summaryrefslogtreecommitdiffstats
path: root/storage/mroonga/vendor/groonga/lib/mrb/mrb_database.c
blob: 5ff2bdbef0d941500414338b373b2beb019862c7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
/* -*- c-basic-offset: 2 -*- */
/*
  Copyright(C) 2014-2015 Brazil

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License version 2.1 as published by the Free Software Foundation.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1335  USA
*/

#include "../grn_ctx_impl.h"

#ifdef GRN_WITH_MRUBY
#include <mruby.h>
#include <mruby/class.h>
#include <mruby/data.h>

#include "mrb_ctx.h"
#include "mrb_database.h"
#include "mrb_converter.h"

static struct mrb_data_type mrb_grn_database_type = {
  "Groonga::Database",
  NULL
};

static mrb_value
mrb_grn_database_initialize(mrb_state *mrb, mrb_value self)
{
  mrb_value mrb_database_ptr;

  mrb_get_args(mrb, "o", &mrb_database_ptr);
  DATA_TYPE(self) = &mrb_grn_database_type;
  DATA_PTR(self) = mrb_cptr(mrb_database_ptr);
  return self;
}

static mrb_value
mrb_grn_database_class_open(mrb_state *mrb, mrb_value klass)
{
  grn_ctx *ctx = (grn_ctx *)mrb->ud;
  grn_obj *database;
  char *path;

  mrb_get_args(mrb, "z", &path);

  database = grn_db_open(ctx, path);
  grn_mrb_ctx_check(mrb);

  return mrb_funcall(mrb, klass, "new", 1, mrb_cptr_value(mrb, database));
}

static mrb_value
mrb_grn_database_class_create(mrb_state *mrb, mrb_value klass)
{
  grn_ctx *ctx = (grn_ctx *)mrb->ud;
  grn_obj *database;
  char *path;

  mrb_get_args(mrb, "z", &path);

  database = grn_db_create(ctx, path, NULL);
  grn_mrb_ctx_check(mrb);

  return mrb_funcall(mrb, klass, "new", 1, mrb_cptr_value(mrb, database));
}

static mrb_value
mrb_grn_database_recover(mrb_state *mrb, mrb_value self)
{
  grn_ctx *ctx = (grn_ctx *)mrb->ud;

  grn_db_recover(ctx, DATA_PTR(self));
  grn_mrb_ctx_check(mrb);

  return mrb_nil_value();
}

static mrb_value
mrb_grn_database_is_locked(mrb_state *mrb, mrb_value self)
{
  grn_ctx *ctx = (grn_ctx *)mrb->ud;
  unsigned int is_locked;

  is_locked = grn_obj_is_locked(ctx, DATA_PTR(self));
  grn_mrb_ctx_check(mrb);

  return mrb_bool_value(is_locked != 0);
}

static mrb_value
mrb_grn_database_get_last_modified(mrb_state *mrb, mrb_value self)
{
  grn_ctx *ctx = (grn_ctx *)mrb->ud;
  uint32_t last_modified;
  struct RClass *time_class;

  last_modified = grn_db_get_last_modified(ctx, DATA_PTR(self));

  time_class = mrb_class_get(mrb, "Time");
  return mrb_funcall(mrb,
                     mrb_obj_value(time_class),
                     "at",
                     1,
                     mrb_float_value(mrb, last_modified));
}

static mrb_value
mrb_grn_database_is_dirty(mrb_state *mrb, mrb_value self)
{
  grn_ctx *ctx = (grn_ctx *)mrb->ud;
  grn_bool is_dirty;

  is_dirty = grn_db_is_dirty(ctx, DATA_PTR(self));

  return mrb_bool_value(is_dirty);
}

static mrb_value
mrb_grn_database_array_reference(mrb_state *mrb, mrb_value self)
{
  grn_ctx *ctx = (grn_ctx *)mrb->ud;
  grn_obj *database;
  mrb_value mrb_id_or_key;

  mrb_get_args(mrb, "o", &mrb_id_or_key);

  database = DATA_PTR(self);

  if (mrb_fixnum_p(mrb_id_or_key)) {
    char name[GRN_TABLE_MAX_KEY_SIZE];
    int name_size;

    name_size = grn_table_get_key(ctx,
                                  grn_ctx_db(ctx),
                                  mrb_fixnum(mrb_id_or_key),
                                  name,
                                  GRN_TABLE_MAX_KEY_SIZE);
    if (name_size == 0) {
      return mrb_nil_value();
    } else {
      return mrb_str_new(mrb, name, name_size);
    }
  } else {
    grn_id name_domain_id = GRN_DB_SHORT_TEXT;
    grn_id id;
    grn_mrb_value_to_raw_data_buffer buffer;
    void *name;
    unsigned int name_size;

    grn_mrb_value_to_raw_data_buffer_init(mrb, &buffer);
    grn_mrb_value_to_raw_data(mrb, "name", mrb_id_or_key,
                              name_domain_id, &buffer,
                              &name, &name_size);
    id = grn_table_get(ctx, database, name, name_size);
    grn_mrb_value_to_raw_data_buffer_fin(mrb, &buffer);

    if (id == GRN_ID_NIL) {
      return mrb_nil_value();
    } else {
      return mrb_fixnum_value(id);
    }
  }
}

void
grn_mrb_database_init(grn_ctx *ctx)
{
  grn_mrb_data *data = &(ctx->impl->mrb);
  mrb_state *mrb = data->state;
  struct RClass *module = data->module;
  struct RClass *object_class = data->object_class;
  struct RClass *klass;

  klass = mrb_define_class_under(mrb, module, "Database", object_class);
  MRB_SET_INSTANCE_TT(klass, MRB_TT_DATA);

  mrb_define_class_method(mrb, klass, "open",
                          mrb_grn_database_class_open,
                          MRB_ARGS_REQ(1));
  mrb_define_class_method(mrb, klass, "create",
                          mrb_grn_database_class_create,
                          MRB_ARGS_REQ(1));

  mrb_define_method(mrb, klass, "initialize",
                    mrb_grn_database_initialize, MRB_ARGS_REQ(1));
  mrb_define_method(mrb, klass, "recover",
                    mrb_grn_database_recover, MRB_ARGS_NONE());
  mrb_define_method(mrb, klass, "locked?",
                    mrb_grn_database_is_locked, MRB_ARGS_NONE());
  mrb_define_method(mrb, klass, "last_modified",
                    mrb_grn_database_get_last_modified, MRB_ARGS_NONE());
  mrb_define_method(mrb, klass, "dirty?",
                    mrb_grn_database_is_dirty, MRB_ARGS_NONE());
  mrb_define_method(mrb, klass, "[]",
                    mrb_grn_database_array_reference, MRB_ARGS_REQ(1));
}
#endif