/* -*- c-basic-offset: 2 -*- */
/*
Copyright(C) 2019 Sutou Kouhei <kou@clear-code.com>
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_cast.h"
#ifdef GRN_WITH_RAPIDJSON
#include <rapidjson/document.h>
#include <rapidjson/memorystream.h>
namespace grn {
struct Int32Handler : public rapidjson::BaseReaderHandler<>
{
grn_ctx *ctx_;
grn_obj *uvector_;
Int32Handler(grn_ctx *ctx,
grn_obj *uvector)
: ctx_(ctx),
uvector_(uvector) {
}
bool Default() {return false;}
bool Int(int value) {
GRN_INT32_PUT(ctx_, uvector_, value);
return true;
}
bool Uint(unsigned int value) {
return Int(value);
}
bool Int64(int64_t value) {
return Int(value);
}
bool Uint64(uint64_t value) {
return Int(value);
}
};
grn_rc
cast_text_to_uvector(grn_ctx *ctx,
grn_obj *src,
grn_obj *dest,
bool add_record_if_not_exist)
{
rapidjson::Document document;
rapidjson::MemoryStream stream(GRN_TEXT_VALUE(src), GRN_TEXT_LEN(src));
document.ParseStream(stream);
if (document.HasParseError()) {
return GRN_INVALID_ARGUMENT;
}
if (!document.IsArray()) {
return GRN_INVALID_ARGUMENT;
}
if (dest->header.domain != GRN_DB_INT32) {
return GRN_INVALID_ARGUMENT;
}
auto n = document.Size();
Int32Handler handler(ctx, dest);
for (size_t i = 0; i < n; ++i) {
const auto &element = document[i];
if (!element.Accept(handler)) {
return GRN_INVALID_ARGUMENT;
}
}
return GRN_SUCCESS;
}
}
#endif
extern "C" {
grn_rc
grn_obj_cast_text_to_uvector(grn_ctx *ctx,
grn_obj *src,
grn_obj *dest,
bool add_record_if_not_exist)
{
#ifdef GRN_WITH_RAPIDJSON
return grn::cast_text_to_uvector(ctx, src, dest, add_record_if_not_exist);
#else
return GRN_INVALID_ARGUMENT;
#endif
}
}