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Move construction into a constructor

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This commit is contained in:
Erica Fischer
2023-08-21 12:48:53 -07:00
parent 8850febc0f
commit 234db66aee
1 changed files with 51 additions and 51 deletions
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tile-join.cpp
+51 -51
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@@ -503,60 +503,60 @@ struct reader {
return false; return false;
} }
reader(const char *fname) {
name = fname;
struct stat st;
if (stat(fname, &st) == 0 && (st.st_mode & S_IFDIR) != 0) {
db = NULL;
stmt = NULL;
next = NULL;
dirtiles = enumerate_dirtiles(fname, minzoom, maxzoom);
dirbase = fname;
} else if (pmtiles_has_suffix(fname)) {
int pmtiles_fd = open(fname, O_RDONLY | O_CLOEXEC);
pmtiles_map = (char *) mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, pmtiles_fd, 0);
if (pmtiles_map == MAP_FAILED) {
perror("mmap in decode");
exit(EXIT_MEMORY);
}
if (close(pmtiles_fd) != 0) {
perror("close");
exit(EXIT_CLOSE);
}
pmtiles_entries = pmtiles_entries_tms(pmtiles_map, minzoom, maxzoom);
std::reverse(pmtiles_entries.begin(), pmtiles_entries.end());
} else {
if (sqlite3_open(fname, &db) != SQLITE_OK) {
fprintf(stderr, "%s: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_SQLITE);
}
char *err = NULL;
if (sqlite3_exec(db, "PRAGMA integrity_check;", NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "%s: integrity_check: %s\n", fname, err);
exit(EXIT_SQLITE);
}
const char *sql = "SELECT zoom_level, tile_column, tile_row, tile_data from tiles order by zoom_level, tile_column, tile_row;";
sqlite3_stmt *query;
if (sqlite3_prepare_v2(db, sql, -1, &query, NULL) != SQLITE_OK) {
fprintf(stderr, "%s: select failed: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_SQLITE);
}
stmt = query;
next = NULL;
}
}
}; };
struct reader *begin_reading(char *fname) { struct reader *begin_reading(char *fname) {
struct reader *r = new reader; struct reader *r = new reader(fname);
r->name = fname;
struct stat st;
if (stat(fname, &st) == 0 && (st.st_mode & S_IFDIR) != 0) {
r->db = NULL;
r->stmt = NULL;
r->next = NULL;
r->dirtiles = enumerate_dirtiles(fname, minzoom, maxzoom);
r->dirbase = fname;
} else if (pmtiles_has_suffix(fname)) {
int pmtiles_fd = open(fname, O_RDONLY | O_CLOEXEC);
r->pmtiles_map = (char *) mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, pmtiles_fd, 0);
if (r->pmtiles_map == MAP_FAILED) {
perror("mmap in decode");
exit(EXIT_MEMORY);
}
if (close(pmtiles_fd) != 0) {
perror("close");
exit(EXIT_CLOSE);
}
r->pmtiles_entries = pmtiles_entries_tms(r->pmtiles_map, minzoom, maxzoom);
std::reverse(r->pmtiles_entries.begin(), r->pmtiles_entries.end());
} else {
sqlite3 *db;
if (sqlite3_open(fname, &db) != SQLITE_OK) {
fprintf(stderr, "%s: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_SQLITE);
}
char *err = NULL;
if (sqlite3_exec(db, "PRAGMA integrity_check;", NULL, NULL, &err) != SQLITE_OK) {
fprintf(stderr, "%s: integrity_check: %s\n", fname, err);
exit(EXIT_SQLITE);
}
const char *sql = "SELECT zoom_level, tile_column, tile_row, tile_data from tiles order by zoom_level, tile_column, tile_row;";
sqlite3_stmt *stmt;
if (sqlite3_prepare_v2(db, sql, -1, &stmt, NULL) != SQLITE_OK) {
fprintf(stderr, "%s: select failed: %s\n", fname, sqlite3_errmsg(db));
exit(EXIT_SQLITE);
}
r->db = db;
r->stmt = stmt;
r->next = NULL;
}
// The reason this prefetches is so the reader queue can be // The reason this prefetches is so the reader queue can be
// priority-ordered, so the one with the next relevant tile // priority-ordered, so the one with the next relevant tile