[Groonga-commit] groonga/groonga at b977f37 [master] mrb: add Record

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Kouhei Sutou null+****@clear*****
Mon Jul 6 14:05:54 JST 2015


Kouhei Sutou	2015-07-06 14:05:54 +0900 (Mon, 06 Jul 2015)

  New Revision: b977f372c5f56031ff2d26b18fb50f0dd1a3ed25
  https://github.com/groonga/groonga/commit/b977f372c5f56031ff2d26b18fb50f0dd1a3ed25

  Message:
    mrb: add Record

  Added files:
    lib/mrb/mrb_record.c
    lib/mrb/mrb_record.h
    lib/mrb/scripts/record.rb
  Modified files:
    lib/ctx_impl_mrb.c
    lib/mrb/scripts/initialize/post.rb
    lib/mrb/sources.am

  Modified: lib/ctx_impl_mrb.c (+2 -0)
===================================================================
--- lib/ctx_impl_mrb.c    2015-07-05 08:42:12 +0900 (39a1aa1)
+++ lib/ctx_impl_mrb.c    2015-07-06 14:05:54 +0900 (5fdbd47)
@@ -44,6 +44,7 @@
 # include "mrb/mrb_table_group_result.h"
 # include "mrb/mrb_table_sort_flags.h"
 # include "mrb/mrb_table_sort_key.h"
+# include "mrb/mrb_record.h"
 # include "mrb/mrb_column.h"
 # include "mrb/mrb_fixed_size_column.h"
 # include "mrb/mrb_variable_size_column.h"
@@ -150,6 +151,7 @@ grn_ctx_impl_mrb_init_bindings(grn_ctx *ctx)
   grn_mrb_table_group_result_init(ctx);
   grn_mrb_table_sort_flags_init(ctx);
   grn_mrb_table_sort_key_init(ctx);
+  grn_mrb_record_init(ctx);
   grn_mrb_column_init(ctx);
   grn_mrb_fixed_size_column_init(ctx);
   grn_mrb_variable_size_column_init(ctx);

  Added: lib/mrb/mrb_record.c (+162 -0) 100644
===================================================================
--- /dev/null
+++ lib/mrb/mrb_record.c    2015-07-06 14:05:54 +0900 (84d061a)
@@ -0,0 +1,162 @@
+/* -*- c-basic-offset: 2 -*- */
+/*
+  Copyright(C) 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  02110-1301  USA
+*/
+
+#include "../grn_ctx_impl.h"
+
+#ifdef GRN_WITH_MRUBY
+#include <mruby.h>
+#include <mruby/class.h>
+#include <mruby/variable.h>
+#include <mruby/data.h>
+
+#include "../grn_db.h"
+#include "mrb_record.h"
+#include "mrb_bulk.h"
+
+typedef struct {
+  grn_obj *table;
+  grn_id id;
+  grn_obj key;
+} grn_mrb_record;
+
+static void
+mrb_grn_record_free(mrb_state *mrb, void *data)
+{
+  grn_ctx *ctx = (grn_ctx *)mrb->ud;
+  grn_mrb_record *record = data;
+
+  if (!record) {
+    return;
+  }
+
+  GRN_OBJ_FIN(ctx, &(record->key));
+  mrb_free(mrb, record);
+}
+
+static struct mrb_data_type mrb_grn_record_type = {
+  "Groonga::Record",
+  mrb_grn_record_free
+};
+
+static mrb_value
+mrb_grn_record_initialize(mrb_state *mrb, mrb_value self)
+{
+  grn_mrb_record *record;
+  mrb_value mrb_table;
+  mrb_value mrb_id;
+
+  mrb_get_args(mrb, "oo", &mrb_table, &mrb_id);
+
+  DATA_TYPE(self) = &mrb_grn_record_type;
+
+  record = mrb_malloc(mrb, sizeof(grn_mrb_record));
+  record->table = DATA_PTR(mrb_table);
+  if (mrb_nil_p(mrb_id)) {
+    record->id = GRN_ID_NIL;
+  } else {
+    record->id = mrb_fixnum(mrb_id);
+  }
+
+  switch (record->table->header.domain) {
+  case GRN_ID_NIL :
+  case GRN_DB_SHORT_TEXT :
+    GRN_SHORT_TEXT_INIT(&(record->key), 0);
+    break;
+  default :
+    GRN_VALUE_FIX_SIZE_INIT(&(record->key), 0, record->table->header.domain);
+    break;
+  }
+
+  DATA_PTR(self) = record;
+
+  mrb_iv_set(mrb, self, mrb_intern_lit(mrb, "@table"), mrb_table);
+  mrb_iv_set(mrb, self, mrb_intern_lit(mrb, "@id"), mrb_id);
+
+  return self;
+}
+
+static mrb_value
+mrb_grn_record_set_id(mrb_state *mrb, mrb_value self)
+{
+  grn_mrb_record *record;
+  mrb_value mrb_id;
+
+  record = DATA_PTR(self);
+  mrb_get_args(mrb, "o", &mrb_id);
+
+  if (mrb_nil_p(mrb_id)) {
+    record->id = GRN_ID_NIL;
+  } else {
+    record->id = mrb_fixnum(mrb_id);
+  }
+  mrb_iv_set(mrb, self, mrb_intern_lit(mrb, "@id"), mrb_id);
+
+  return mrb_id;
+}
+
+static mrb_value
+mrb_grn_record_key(mrb_state *mrb, mrb_value self)
+{
+  grn_ctx *ctx = (grn_ctx *)mrb->ud;
+  grn_mrb_record *record;
+  int key_size;
+
+  record = DATA_PTR(self);
+
+  if (record->id == GRN_ID_NIL) {
+    return mrb_nil_value();
+  }
+
+  if (record->table->header.type == GRN_TABLE_NO_KEY) {
+    return mrb_nil_value();
+  }
+
+  GRN_BULK_REWIND(&(record->key));
+  key_size = grn_table_get_key(ctx, record->table, record->id,
+                               GRN_BULK_HEAD(&(record->key)),
+                               GRN_BULK_VSIZE(&(record->key)));
+  if (key_size > GRN_BULK_VSIZE(&(record->key))) {
+    grn_bulk_space(ctx, &(record->key), key_size);
+    key_size = grn_table_get_key(ctx, record->table, record->id,
+                                 GRN_BULK_HEAD(&(record->key)),
+                                 GRN_BULK_VSIZE(&(record->key)));
+  }
+
+  return grn_mrb_value_from_bulk(mrb, &(record->key));
+}
+
+void
+grn_mrb_record_init(grn_ctx *ctx)
+{
+  grn_mrb_data *data = &(ctx->impl->mrb);
+  mrb_state *mrb = data->state;
+  struct RClass *module = data->module;
+  struct RClass *klass;
+
+  klass = mrb_define_class_under(mrb, module, "Record", data->object_class);
+  MRB_SET_INSTANCE_TT(klass, MRB_TT_DATA);
+  mrb_define_method(mrb, klass, "initialize",
+                    mrb_grn_record_initialize, MRB_ARGS_REQ(2));
+
+  mrb_define_method(mrb, klass, "id=",
+                    mrb_grn_record_set_id, MRB_ARGS_REQ(1));
+
+  mrb_define_method(mrb, klass, "key",
+                    mrb_grn_record_key, MRB_ARGS_NONE());
+}
+#endif

  Added: lib/mrb/mrb_record.h (+34 -0) 100644
===================================================================
--- /dev/null
+++ lib/mrb/mrb_record.h    2015-07-06 14:05:54 +0900 (3a7eccb)
@@ -0,0 +1,34 @@
+/* -*- c-basic-offset: 2 -*- */
+/*
+  Copyright(C) 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  02110-1301  USA
+*/
+
+#ifndef GRN_MRB_RECORD_H
+#define GRN_MRB_RECORD_H
+
+#include "../grn_ctx.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void grn_mrb_record_init(grn_ctx *ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRN_MRB_RECORD_H */

  Modified: lib/mrb/scripts/initialize/post.rb (+1 -0)
===================================================================
--- lib/mrb/scripts/initialize/post.rb    2015-07-05 08:42:12 +0900 (ccd4475)
+++ lib/mrb/scripts/initialize/post.rb    2015-07-06 14:05:54 +0900 (96bea42)
@@ -7,6 +7,7 @@ require "writer"
 require "object"
 require "database"
 require "table"
+require "record"
 require "index_column"
 require "command"
 require "table_cursor"

  Added: lib/mrb/scripts/record.rb (+12 -0) 100644
===================================================================
--- /dev/null
+++ lib/mrb/scripts/record.rb    2015-07-06 14:05:54 +0900 (ac49275)
@@ -0,0 +1,12 @@
+module Groonga
+  class Record
+    attr_reader :table
+    attr_reader :id
+
+    def inspect
+      super.gsub(/>\z/) do
+        "@id=#{@id.inspect}, @table=#{@table.inspect}>"
+      end
+    end
+  end
+end

  Modified: lib/mrb/sources.am (+2 -0)
===================================================================
--- lib/mrb/sources.am    2015-07-05 08:42:12 +0900 (b27e365)
+++ lib/mrb/sources.am    2015-07-06 14:05:54 +0900 (0bb712e)
@@ -49,6 +49,8 @@ libgrnmrb_la_SOURCES =				\
 	mrb_patricia_trie.h			\
 	mrb_procedure.c				\
 	mrb_procedure.h				\
+	mrb_record.c				\
+	mrb_record.h				\
 	mrb_table.c				\
 	mrb_table.h				\
 	mrb_table_cursor.c			\
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