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156 lines
3.2 KiB
156 lines
3.2 KiB
/* This file is part of the KDE project
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Copyright (C) 2003 Lucijan Busch <lucijan@kde.org>
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Copyright (C) 2004 Jaroslaw Staniek <js@iidea.pl>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <connection.h>
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#include <tableschema.h>
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#include "parser.h"
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#include "parser_p.h"
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#include "sqlparser.h"
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extern const char * reserved_keywords[];
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using namespace KexiDB;
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Parser::Parser(Connection *db)
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: d(new ParserPrivate)
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{
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d->db = db;
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}
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Parser::~Parser()
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{
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delete d;
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}
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Parser::OPCode Parser::operation() const { return (OPCode)d->operation; }
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TQString
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Parser::operationString() const
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{
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switch((OPCode)d->operation) {
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case OP_Error:
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return "Error";
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case OP_CreateTable:
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return "CreateTable";
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case OP_AlterTable:
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return "AlterTable";
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case OP_Select:
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return "Select";
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case OP_Insert:
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return "Insert";
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case OP_Update:
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return "Update";
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case OP_Delete:
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return "Delete";
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default: //OP_None
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return "None";
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}
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}
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TableSchema *Parser::table() { TableSchema *t = d->table; d->table=0; return t; }
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QuerySchema *Parser::query() { QuerySchema *s = d->select; d->select=0; return s; }
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Connection *Parser::db() const { return d->db; }
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ParserError Parser::error() const { return d->error; }
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TQString Parser::statement() const { return d->statement; }
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void Parser::setOperation(OPCode op) { d->operation = op; }
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QuerySchema *Parser::select() const { return d->select; }
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void Parser::setError(const ParserError &err) { d->error = err; }
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void
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Parser::createTable(const char *t)
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{
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if (d->table)
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return;
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d->table = new KexiDB::TableSchema(t);
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}
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void
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Parser::setQuerySchema(QuerySchema *query)
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{
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if (d->select)
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delete d->select;
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d->select = query;
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}
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void Parser::init()
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{
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if (d->initialized)
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return;
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#define INS(p) d->reservedKeywords.insert(p, (char*)1, 0)
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#include "tokens.cpp"
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d->initialized = true;
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}
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bool Parser::isReservedKeyword(const char *str)
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{
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return d->reservedKeywords.tqfind(str);
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}
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bool
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Parser::parse(const TQString &statement)
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{
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init();
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clear();
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d->statement = statement;
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KexiDB::Parser *oldParser = parser;
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KexiDB::Field *oldField = field;
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bool res = parseData(this, statement.utf8());
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parser = oldParser;
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field = oldField;
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return res;
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}
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void
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Parser::clear()
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{
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d->clear();
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}
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//-------------------------------------
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ParserError::ParserError()
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: m_at(-1)
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{
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// m_isNull = true;
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}
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ParserError::ParserError(const TQString &type, const TQString &error, const TQString &hint, int at)
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{
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m_type = type;
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m_error = error;
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m_hint = hint;
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m_at = at;
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}
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ParserError::~ParserError()
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{
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}
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