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GeezerVison is showing github.com — osm2pgsql/src/flex-write.cpp at master · osm2pgsql-dev/osm2pgsql Expand file tree/ Copy pathflex-write.cppMore file actions 469 lines (431 loc) · 16 KB / Copy pathflex-write.cppFile metadata and controls469 lines (431 loc) · 16 KB 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 /** * SPDX-License-Identifier: GPL-2.0-or-later * * This file is part of osm2pgsql (https://osm2pgsql.org/). * * Copyright (C) 2006-2026 by the osm2pgsql developer community. * For a full list of authors see the git log. */ #include "flex-lua-geom.hpp" #include "flex-table-column.hpp" #include "flex-write.hpp" #include "geom-functions.hpp" #include "json-writer.hpp" #include "lua-utils.hpp" #include "wkb.hpp" #include <osmium/osm/timestamp.hpp> #include <algorithm> #include <cmath> #include <cstdint> #include <cstdlib> #include <cstring> #include <limits> #include <vector> namespace { int sgn(double val) noexcept { if (val > 0) { return 1; } if (val < 0) { return -1; } return 0; } void write_null(db_copy_mgr_t<db_deleter_by_type_and_id_t> *copy_mgr, flex_table_column_t const &column) { if (column.not_null()) { throw not_null_exception_t{ fmt::format("Can not add NULL to column '{}' declared NOT NULL.", column.name()), &column}; } copy_mgr->add_null_column(); } void write_boolean(db_copy_mgr_t<db_deleter_by_type_and_id_t> *copy_mgr, flex_table_column_t const &column, char const *str) { if ((std::strcmp(str, "yes") == 0) || (std::strcmp(str, "true") == 0) || std::strcmp(str, "1") == 0) { copy_mgr->add_column(true); return; } if ((std::strcmp(str, "no") == 0) || (std::strcmp(str, "false") == 0) || std::strcmp(str, "0") == 0) { copy_mgr->add_column(false); return; } write_null(copy_mgr, column); } void write_direction(db_copy_mgr_t<db_deleter_by_type_and_id_t> *copy_mgr, flex_table_column_t const &column, char const *str) { if ((std::strcmp(str, "yes") == 0) || (std::strcmp(str, "1") == 0)) { copy_mgr->add_column(1); return; } if ((std::strcmp(str, "no") == 0) || (std::strcmp(str, "0") == 0)) { copy_mgr->add_column(0); return; } if (std::strcmp(str, "-1") == 0) { copy_mgr->add_column(-1); return; } write_null(copy_mgr, column); } template <typename T> void write_integer(db_copy_mgr_t<db_deleter_by_type_and_id_t> *copy_mgr, flex_table_column_t const &column, char const *str) { if (*str == '\0') { write_null(copy_mgr, column); return; } char *end = nullptr; errno = 0; auto const value = std::strtoll(str, &end, 10); if (errno != 0 || *end != '\0') { write_null(copy_mgr, column); return; } if (value >= std::numeric_limits<T>::min() && value <= std::numeric_limits<T>::max()) { copy_mgr->add_column(value); return; } write_null(copy_mgr, column); } void write_double(db_copy_mgr_t<db_deleter_by_type_and_id_t> *copy_mgr, flex_table_column_t const &column, char const *str) { if (*str == '\0') { write_null(copy_mgr, column); return; } char *end = nullptr; double const value = std::strtod(str, &end); if (end && *end != '\0') { write_null(copy_mgr, column); return; } copy_mgr->add_column(value); } using table_register_type = std::vector<void const *>; void write_json(json_writer_t *writer, lua_State *lua_state, table_register_type *tables); void write_json_table(json_writer_t *writer, lua_State *lua_state, table_register_type *tables) { void const *table_ptr = lua_topointer(lua_state, -1); assert(table_ptr); auto const it = std::find(tables->cbegin(), tables->cend(), table_ptr); if (it != tables->cend()) { throw std::runtime_error{"Loop detected in table"}; } tables->push_back(table_ptr); if (luaX_is_empty_table(lua_state)) { // An empty lua table could be both, we decide here that it is not // stored as a JSON array but as a JSON object. writer->start_object(); writer->end_object(); } else if (luaX_is_array(lua_state)) { writer->start_array(); luaX_for_each(lua_state, [&]() { write_json(writer, lua_state, tables); writer->next(); }); writer->end_array(); } else { writer->start_object(); luaX_for_each(lua_state, [&]() { int const ltype_key = lua_type(lua_state, -2); if (ltype_key != LUA_TSTRING) { throw fmt_error("Incorrect data type '{}' as key.", lua_typename(lua_state, ltype_key)); } char const *const key = lua_tostring(lua_state, -2); writer->key(key); write_json(writer, lua_state, tables); writer->next(); }); writer->end_object(); } } void write_json_number(json_writer_t *writer, lua_State *lua_state) { #if LUA_VERSION_NUM >= 503 int okay = 0; auto const num = lua_tointegerx(lua_state, -1, &okay); if (okay) { writer->number(num); } else { writer->number(lua_tonumber(lua_state, -1)); } #else double const num = lua_tonumber(lua_state, -1); double intpart = 0.0; if (std::modf(num, &intpart) == 0.0) { writer->number(static_cast<int64_t>(num)); } else { writer->number(num); } #endif } void write_json(json_writer_t *writer, lua_State *lua_state, table_register_type *tables) { assert(writer); assert(lua_state); int const ltype = lua_type(lua_state, -1); switch (ltype) { case LUA_TNIL: writer->null(); break; case LUA_TBOOLEAN: writer->boolean(lua_toboolean(lua_state, -1) != 0); break; case LUA_TNUMBER: write_json_number(writer, lua_state); break; case LUA_TSTRING: writer->string(lua_tostring(lua_state, -1)); break; case LUA_TTABLE: write_json_table(writer, lua_state, tables); break; default: throw fmt_error("Invalid type '{}' for json/jsonb column.", lua_typename(lua_state, ltype)); } } bool is_compatible(geom::geometry_t const &geom, table_column_type type) noexcept { switch (type) { case table_column_type::geometry: return true; case table_column_type::point: return geom.is_point(); case table_column_type::linestring: return geom.is_linestring(); case table_column_type::polygon: return geom.is_polygon(); case table_column_type::multipoint: return geom.is_point() || geom.is_multipoint(); case table_column_type::multilinestring: return geom.is_linestring() || geom.is_multilinestring(); case table_column_type::multipolygon: return geom.is_polygon() || geom.is_multipolygon(); case table_column_type::geometrycollection: return geom.is_collection(); default: break; } return false; } } // anonymous namespace void flex_write_column(lua_State *lua_state, geometry_cache_t *geom_cache, db_copy_mgr_t<db_deleter_by_type_and_id_t> *copy_mgr, flex_table_column_t const &column) { lua_getfield(lua_state, -1, column.name().c_str()); int const ltype = lua_type(lua_state, -1); // Certain Lua types can never be added to the database if (ltype == LUA_TFUNCTION || ltype == LUA_TTHREAD) { throw std::runtime_error{ "Can not add Lua objects of type function or thread."}; } // A Lua nil value is always translated to a database NULL if (ltype == LUA_TNIL) { write_null(copy_mgr, column); lua_pop(lua_state, 1); return; } if (column.type() == table_column_type::text) { auto const *const str = lua_tolstring(lua_state, -1, nullptr); if (!str) { throw fmt_error("Invalid type '{}' for text column.", lua_typename(lua_state, ltype)); } copy_mgr->add_column(str); } else if (column.type() == table_column_type::boolean) { switch (ltype) { case LUA_TBOOLEAN: copy_mgr->add_column(lua_toboolean(lua_state, -1) != 0); break; case LUA_TNUMBER: copy_mgr->add_column(lua_tonumber(lua_state, -1) != 0); break; case LUA_TSTRING: write_boolean(copy_mgr, column, lua_tolstring(lua_state, -1, nullptr)); break; default: throw fmt_error("Invalid type '{}' for boolean column.", lua_typename(lua_state, ltype)); } } else if (column.type() == table_column_type::int2) { if (ltype == LUA_TNUMBER) { int64_t const value = lua_tointeger(lua_state, -1); if (value >= std::numeric_limits<int16_t>::min() && value <= std::numeric_limits<int16_t>::max()) { copy_mgr->add_column(value); } else { write_null(copy_mgr, column); } } else if (ltype == LUA_TSTRING) { write_integer<int16_t>(copy_mgr, column, lua_tolstring(lua_state, -1, nullptr)); } else if (ltype == LUA_TBOOLEAN) { copy_mgr->add_column(lua_toboolean(lua_state, -1)); } else { throw fmt_error("Invalid type '{}' for int2 column.", lua_typename(lua_state, ltype)); } } else if (column.type() == table_column_type::int4) { if (ltype == LUA_TNUMBER) { int64_t const value = lua_tointeger(lua_state, -1); if (value >= std::numeric_limits<int32_t>::min() && value <= std::numeric_limits<int32_t>::max()) { copy_mgr->add_column(value); } else { write_null(copy_mgr, column); } } else if (ltype == LUA_TSTRING) { write_integer<int32_t>(copy_mgr, column, lua_tolstring(lua_state, -1, nullptr)); } else if (ltype == LUA_TBOOLEAN) { copy_mgr->add_column(lua_toboolean(lua_state, -1)); } else { throw fmt_error("Invalid type '{}' for int4 column.", lua_typename(lua_state, ltype)); } } else if (column.type() == table_column_type::int8) { if (ltype == LUA_TNUMBER) { copy_mgr->add_column(lua_tointeger(lua_state, -1)); } else if (ltype == LUA_TSTRING) { write_integer<int64_t>(copy_mgr, column, lua_tolstring(lua_state, -1, nullptr)); } else if (ltype == LUA_TBOOLEAN) { copy_mgr->add_column(lua_toboolean(lua_state, -1)); } else { throw fmt_error("Invalid type '{}' for int8 column.", lua_typename(lua_state, ltype)); } } else if (column.type() == table_column_type::real || column.type() == table_column_type::double_precision) { if (ltype == LUA_TNUMBER) { copy_mgr->add_column(lua_tonumber(lua_state, -1)); } else if (ltype == LUA_TSTRING) { write_double(copy_mgr, column, lua_tolstring(lua_state, -1, nullptr)); } else { throw fmt_error("Invalid type '{}' for real/double precision column.", lua_typename(lua_state, ltype)); } } else if (column.type() == table_column_type::timestamp) { if (ltype == LUA_TNUMBER) { auto const ts = osmium::Timestamp{lua_tointeger(lua_state, -1)}; copy_mgr->add_column(ts.to_iso()); } else if (ltype == LUA_TSTRING) { copy_mgr->add_column(lua_tolstring(lua_state, -1, nullptr)); } else { throw fmt_error("Invalid type '{}' for timestamp column.", lua_typename(lua_state, ltype)); } } else if (column.type() == table_column_type::timestamptz) { if (ltype == LUA_TNUMBER) { auto const ts = osmium::Timestamp{lua_tointeger(lua_state, -1)}; copy_mgr->add_column(ts.to_iso()); } else if (ltype == LUA_TSTRING) { copy_mgr->add_column(lua_tolstring(lua_state, -1, nullptr)); } else { throw fmt_error("Invalid type '{}' for timestamptz column.", lua_typename(lua_state, ltype)); } } else if (column.type() == table_column_type::hstore) { if (ltype == LUA_TTABLE) { copy_mgr->new_hash(); luaX_for_each(lua_state, [&]() { char const *const key = lua_tostring(lua_state, -2); char const *const val = lua_tostring(lua_state, -1); if (key == nullptr) { int const ltype_key = lua_type(lua_state, -2); throw fmt_error( "NULL key for hstore. Possibly this is due to" " an incorrect data type '{}' as key.", lua_typename(lua_state, ltype_key)); } if (val == nullptr) { int const ltype_value = lua_type(lua_state, -1); throw fmt_error( "NULL value for hstore. Possibly this is due to" " an incorrect data type '{}' for key '{}'.", lua_typename(lua_state, ltype_value), key); } copy_mgr->add_hash_elem(key, val); }); copy_mgr->finish_hash(); } else { throw fmt_error("Invalid type '{}' for hstore column.", lua_typename(lua_state, ltype)); } } else if ((column.type() == table_column_type::json) || (column.type() == table_column_type::jsonb)) { json_writer_t writer; table_register_type tables; write_json(&writer, lua_state, &tables); copy_mgr->add_column(writer.json()); } else if (column.type() == table_column_type::direction) { switch (ltype) { case LUA_TBOOLEAN: copy_mgr->add_column(lua_toboolean(lua_state, -1)); break; case LUA_TNUMBER: copy_mgr->add_column(sgn(lua_tonumber(lua_state, -1))); break; case LUA_TSTRING: write_direction(copy_mgr, column, lua_tolstring(lua_state, -1, nullptr)); break; default: throw fmt_error("Invalid type '{}' for direction column.", lua_typename(lua_state, ltype)); } } else if (column.is_geometry_column()) { if (ltype == LUA_TUSERDATA) { auto const *const geom = unpack_geometry(lua_state, -1); if (geom && !geom->is_null()) { auto const type = column.type(); if (!is_compatible(*geom, type)) { throw fmt_error("Geometry data for geometry column '{}'" " has the wrong type ({}).", column.name(), geometry_type(*geom)); } bool const wrap_multi = (type == table_column_type::multipoint || type == table_column_type::multilinestring || type == table_column_type::multipolygon); if (geom->srid() == column.srid()) { copy_mgr->add_hex_geom(geom_to_ewkb(*geom, wrap_multi)); geom_cache->add_new(&column, *geom); } else { auto const &proj = get_projection(column.srid()); auto tgeom = geom::transform(*geom, proj); copy_mgr->add_hex_geom(geom_to_ewkb(tgeom, wrap_multi)); geom_cache->add_new(&column, std::move(tgeom)); } } else { write_null(copy_mgr, column); } } else { throw fmt_error("Need geometry data for geometry column '{}'.", column.name()); } } else { throw fmt_error("Column type {} not implemented.", static_cast<uint8_t>(column.type())); } lua_pop(lua_state, 1); } |
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