diff options
Diffstat (limited to 'fbreader/src/database/sqldb/implsqlite/SQLiteDataReader.cpp')
-rw-r--r-- | fbreader/src/database/sqldb/implsqlite/SQLiteDataReader.cpp | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/fbreader/src/database/sqldb/implsqlite/SQLiteDataReader.cpp b/fbreader/src/database/sqldb/implsqlite/SQLiteDataReader.cpp deleted file mode 100644 index 3ea4091..0000000 --- a/fbreader/src/database/sqldb/implsqlite/SQLiteDataReader.cpp +++ /dev/null @@ -1,133 +0,0 @@ -/* - * Copyright (C) 2009-2012 Geometer Plus <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include "SQLiteDataReader.h" - -shared_ptr<DBValue> SQLiteDataReader::makeDBValue(sqlite3_stmt *statement, std::size_t column) { - if (column >= (std::size_t) sqlite3_column_count(statement)) { - return 0; - } - const int type = sqlite3_column_type(statement, column); - switch (type) { - case SQLITE_INTEGER: return new DBIntValue(sqlite3_column_int(statement, column)); - case SQLITE_FLOAT: return new DBRealValue(sqlite3_column_double(statement, column)); - case SQLITE_TEXT: return new DBTextValue((const char *) sqlite3_column_text(statement, column)); - case SQLITE_NULL: return DBValue::create(DBValue::DBNULL); - } - return 0; -} - -SQLiteDataReader::SQLiteDataReader(SQLiteCommand &command) : - myCommand(command), - myCurrentStatement(0), - myLocked(true) { -} - -SQLiteDataReader::~SQLiteDataReader() { - close(); -} - -bool SQLiteDataReader::next() { - const std::vector<sqlite3_stmt *> &statements = myCommand.statements(); - while (true) { - int res = sqlite3_step(statements[myCurrentStatement]); - switch (res) { - case SQLITE_OK: - break; - case SQLITE_ROW: - return true; - case SQLITE_DONE: - if (++myCurrentStatement >= statements.size()) { - return false; - } - break; - default: - myCommand.dumpError(); - return false; - } - } -} - -bool SQLiteDataReader::reset() { - return myCommand.resetStatements(); -} - -void SQLiteDataReader::close() { - if (myLocked) { - reset(); - myCommand.unlock(); - myLocked = false; - } -} - -std::size_t SQLiteDataReader::columnsNumber() const { - sqlite3_stmt *statement = currentStatement(); - return sqlite3_column_count(statement); -} - -DBValue::ValueType SQLiteDataReader::type(std::size_t column) const { - sqlite3_stmt *statement = currentStatement(); - if (column >= (std::size_t) sqlite3_column_count(statement)) { - return DBValue::DBNULL; - } - const int type = sqlite3_column_type(statement, column); - switch (type) { - case SQLITE_INTEGER: return DBValue::DBINT; - case SQLITE_FLOAT: return DBValue::DBREAL; - case SQLITE_TEXT: return DBValue::DBTEXT; - case SQLITE_NULL: return DBValue::DBNULL; - default: - return DBValue::DBNULL; - } -} - -shared_ptr<DBValue> SQLiteDataReader::value(std::size_t column) const { - sqlite3_stmt *statement = currentStatement(); - return makeDBValue(statement, column); -} - -int SQLiteDataReader::intValue(std::size_t column) const { - sqlite3_stmt *statement = currentStatement(); - if (column >= (std::size_t)sqlite3_column_count(statement) || - sqlite3_column_type(statement, column) != SQLITE_INTEGER) { - return 0; - } - return sqlite3_column_int(statement, column); -} - -double SQLiteDataReader::realValue(std::size_t column) const { - sqlite3_stmt *statement = currentStatement(); - if (column >= (std::size_t)sqlite3_column_count(statement) || - sqlite3_column_type(statement, column) != SQLITE_FLOAT) { - return 0; - } - return sqlite3_column_double(statement, column); -} - -std::string SQLiteDataReader::textValue(std::size_t column, const std::string &defaultValue) const { - sqlite3_stmt *statement = currentStatement(); - if (column < (std::size_t)sqlite3_column_count(statement) && - sqlite3_column_type(statement, column) == SQLITE_TEXT) { - const char *result = (const char*)sqlite3_column_text(statement, column); - if (result != 0) { - return result; - } - } - return defaultValue; -} |