diff options
Diffstat (limited to 'storage/mroonga/vendor/groonga/lib/mrb/mrb_writer.c')
| -rw-r--r-- | storage/mroonga/vendor/groonga/lib/mrb/mrb_writer.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/storage/mroonga/vendor/groonga/lib/mrb/mrb_writer.c b/storage/mroonga/vendor/groonga/lib/mrb/mrb_writer.c new file mode 100644 index 00000000000..e35a066e560 --- /dev/null +++ b/storage/mroonga/vendor/groonga/lib/mrb/mrb_writer.c @@ -0,0 +1,238 @@ +/* -*- 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/data.h> +#include <mruby/hash.h> +#include <mruby/string.h> + +#include "../grn_mrb.h" +#include "../grn_output.h" +#include "mrb_ctx.h" +#include "mrb_writer.h" +#include "mrb_options.h" + +static mrb_value +writer_write(mrb_state *mrb, mrb_value self) +{ + grn_ctx *ctx = (grn_ctx *)mrb->ud; + mrb_value target; + + mrb_get_args(mrb, "o", &target); + + switch (mrb_type(target)) { + case MRB_TT_FALSE : + GRN_OUTPUT_BOOL(GRN_FALSE); + break; + case MRB_TT_TRUE : + GRN_OUTPUT_BOOL(GRN_TRUE); + break; + case MRB_TT_FIXNUM : + GRN_OUTPUT_INT32(mrb_fixnum(target)); + break; + case MRB_TT_FLOAT : + GRN_OUTPUT_FLOAT(mrb_float(target)); + break; + case MRB_TT_STRING : + GRN_OUTPUT_STR(RSTRING_PTR(target), RSTRING_LEN(target)); + break; + default : + mrb_raisef(mrb, E_ARGUMENT_ERROR, + "must be true, false, number, float or string: %S", target); + break; + } + + return mrb_nil_value(); +} + +static mrb_value +writer_open_array(mrb_state *mrb, mrb_value self) +{ + grn_ctx *ctx = (grn_ctx *)mrb->ud; + char *name; + mrb_int n_elements; + + mrb_get_args(mrb, "zi", &name, &n_elements); + GRN_OUTPUT_ARRAY_OPEN(name, n_elements); + + return mrb_nil_value(); +} + +static mrb_value +writer_close_array(mrb_state *mrb, mrb_value self) +{ + grn_ctx *ctx = (grn_ctx *)mrb->ud; + + GRN_OUTPUT_ARRAY_CLOSE(); + + return mrb_nil_value(); +} + +static mrb_value +writer_open_map(mrb_state *mrb, mrb_value self) +{ + grn_ctx *ctx = (grn_ctx *)mrb->ud; + char *name; + mrb_int n_elements; + + mrb_get_args(mrb, "zi", &name, &n_elements); + GRN_OUTPUT_MAP_OPEN(name, n_elements); + + return mrb_nil_value(); +} + +static mrb_value +writer_close_map(mrb_state *mrb, mrb_value self) +{ + grn_ctx *ctx = (grn_ctx *)mrb->ud; + + GRN_OUTPUT_MAP_CLOSE(); + + return mrb_nil_value(); +} + +static mrb_value +writer_write_table_columns(mrb_state *mrb, mrb_value self) +{ + grn_ctx *ctx = (grn_ctx *)mrb->ud; + mrb_value mrb_table; + char *columns; + mrb_int columns_size; + grn_obj *table; + grn_obj_format format; + int n_hits = 0; + int offset = 0; + int limit = 0; + int hits_offset = 0; + + mrb_get_args(mrb, "os", &mrb_table, &columns, &columns_size); + + table = DATA_PTR(mrb_table); + GRN_OBJ_FORMAT_INIT(&format, n_hits, offset, limit, hits_offset); + format.flags |= GRN_OBJ_FORMAT_WITH_COLUMN_NAMES; + { + grn_rc rc; + rc = grn_output_format_set_columns(ctx, &format, + table, columns, columns_size); + if (rc != GRN_SUCCESS) { + GRN_OBJ_FORMAT_FIN(ctx, &format); + grn_mrb_ctx_check(mrb); + } + } + GRN_OUTPUT_TABLE_COLUMNS(table, &format); + GRN_OBJ_FORMAT_FIN(ctx, &format); + + return mrb_nil_value(); +} + +static mrb_value +writer_write_table_records(mrb_state *mrb, mrb_value self) +{ + grn_ctx *ctx = (grn_ctx *)mrb->ud; + mrb_value mrb_table; + mrb_value mrb_options = mrb_nil_value(); + char *columns; + mrb_int columns_size; + grn_obj *table; + grn_obj_format format; + int n_hits = 0; + int offset = 0; + int limit = -1; + int hits_offset = 0; + + mrb_get_args(mrb, "os|H", &mrb_table, &columns, &columns_size, &mrb_options); + + table = DATA_PTR(mrb_table); + if (!mrb_nil_p(mrb_options)) { + mrb_value mrb_offset; + mrb_value mrb_limit; + + mrb_offset = grn_mrb_options_get_lit(mrb, mrb_options, "offset"); + if (!mrb_nil_p(mrb_offset)) { + offset = mrb_fixnum(mrb_offset); + } + + mrb_limit = grn_mrb_options_get_lit(mrb, mrb_options, "limit"); + if (!mrb_nil_p(mrb_limit)) { + limit = mrb_fixnum(mrb_limit); + } + } + if (limit < 0) { + limit = grn_table_size(ctx, table) + limit + 1; + } + GRN_OBJ_FORMAT_INIT(&format, n_hits, offset, limit, hits_offset); + { + grn_rc rc; + rc = grn_output_format_set_columns(ctx, &format, + table, columns, columns_size); + if (rc != GRN_SUCCESS) { + GRN_OBJ_FORMAT_FIN(ctx, &format); + grn_mrb_ctx_check(mrb); + } + } + GRN_OUTPUT_TABLE_RECORDS(table, &format); + GRN_OBJ_FORMAT_FIN(ctx, &format); + + return mrb_nil_value(); +} + +static mrb_value +writer_set_content_type(mrb_state *mrb, mrb_value self) +{ + grn_ctx *ctx = (grn_ctx *)mrb->ud; + grn_content_type content_type; + + mrb_get_args(mrb, "i", &content_type); + + grn_ctx_set_output_type(ctx, content_type); + + return mrb_nil_value(); +} + +void +grn_mrb_writer_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, "Writer", mrb->object_class); + + mrb_define_method(mrb, klass, "write", writer_write, MRB_ARGS_REQ(1)); + mrb_define_method(mrb, klass, "open_array", + writer_open_array, MRB_ARGS_REQ(2)); + mrb_define_method(mrb, klass, "close_array", + writer_close_array, MRB_ARGS_NONE()); + mrb_define_method(mrb, klass, "open_map", + writer_open_map, MRB_ARGS_REQ(2)); + mrb_define_method(mrb, klass, "close_map", + writer_close_map, MRB_ARGS_NONE()); + + mrb_define_method(mrb, klass, "write_table_columns", + writer_write_table_columns, MRB_ARGS_REQ(2)); + mrb_define_method(mrb, klass, "write_table_records", + writer_write_table_records, MRB_ARGS_ARG(2, 1)); + + mrb_define_method(mrb, klass, "content_type=", + writer_set_content_type, MRB_ARGS_REQ(1)); +} +#endif |