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QTSqlGen.cpp
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QTSqlGen.cpp
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//The MIT License
//
//Copyright (c) 2006-2010 Michael Simpson
//
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:
//
//The above copyright notice and this permission notice shall be included in
//all copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//THE SOFTWARE.
#include "QTSqlGen.h"
#include "AboutDlg.h"
#include "SqlProjects.h"
#include <QtAlgorithms>
#include <QDir>
#include <QFile>
#include <QFileDialog>
#include <QMap>
#include <QMessageBox>
#include <QUuid>
#include <QSettings>
#include <QSqlError>
#include <QVariant>
void InitializeMap(void);
QMap<QString, Column::Type> gDataMap;
QTSqlGen::QTSqlGen
(
QWidget* parent,
Qt::WFlags flags
) :
QDialog(parent, flags),
_projectGUID(QUuid::createUuid().toString().toUpper()),
_now(QDate::currentDate())
{
InitializeMap();
setupUi(this);
PopulateDrivers();
LoadProjects();
QStringList paths = QCoreApplication::libraryPaths();
AppendOutput("Paths:");
for (int i = 0; i < paths.size(); i++)
AppendOutput(" " + paths.at(i));
}
QTSqlGen::~QTSqlGen()
{
SaveProjects();
}
void QTSqlGen::SetProductName
(
const QString& databaseName
)
{
quint32 pos = databaseName.lastIndexOf("/");
if (pos != -1)
{
_productName = databaseName.mid(pos + 1);
_productName = _productName.mid(0, _productName.indexOf("."));
}
else
{
_productName = databaseName;
}
_productName[0] = QChar(_productName[0]).toUpper();
_productInclude = _productName + "Export.h";
_dllExport = "DLL_" + _productName.toUpper();
_dllExportDefine = _productName.toUpper() + "_DLL";
}
void QTSqlGen::on__locatePath_clicked()
{
SqlProject* currentProject = GetProject();
if (currentProject != NULL)
{
QString s = QFileDialog::getOpenFileName(this, "Select a SQLite File",
QDir::homePath(), "SQLite (*.dat *.db *.sdb *s3db)");
if (s.size() > 0)
{
_dbPath->setText(s);
currentProject->_databasePath = s;
}
}
}
void QTSqlGen::on__locateTarget_clicked()
{
SqlProject* currentProject = GetProject();
if (currentProject != NULL)
{
QString s = QFileDialog::getExistingDirectory(this, "Select the target directory for the source files.",
QDir::homePath());
if (s.size() > 0)
{
_targetPath->setText(s);
currentProject->_targetPath = s;
}
}
}
void QTSqlGen::on__genDal_clicked()
{
SqlProject* currentProject = GetProject();
if (currentProject == NULL)
return;
if (currentProject->_projectName.size() == 0 || currentProject->_projectName == "<Untitled>")
{
AppendOutput("Supply a Product Name");
return;
}
SetProductName(currentProject->_projectName);
if (_targetPath->text().size() == 0)
return;
switch (currentProject->_sourceType)
{
case eODBC:
_db = QSqlDatabase::addDatabase("QODBC");
break;
case eSqlite:
if (_dbPath->text().size() == 0)
return ;
_db = QSqlDatabase::addDatabase("QSQLITE");
break;
default:
AppendOutput("Invalid Source");
return;
}
if (_db.isValid() == false)
{
QSqlError se;
se = _db.lastError();
AppendOutput(se.text());
return;
}
switch (currentProject->_sourceType)
{
case eODBC:
_db.setDatabaseName(_connectionString->text());
break;
case eSqlite:
_db.setDatabaseName(_dbPath->text());
break;
}
if (_db.open())
{
_output->clear();
_headerFiles.clear();
_sources.clear();
_headers.clear();
switch (currentProject->_sourceType)
{
case eODBC:
LoadODBCTables();
LoadODBCColumns();
break;
case eSqlite:
LoadSqliteTables();
LoadSqliteColumns();
break;
}
GenCode(_tables, "Table");
switch (currentProject->_sourceType)
{
case eODBC:
/*LoadODBCViews();
LoadODBCViewColumns();*/
break;
case eSqlite:
LoadSqliteViews();
LoadSqliteViewColumns();
break;
}
GenCode(_views, "View");
WriteDatabaseFiles();
WriteStaticFiles();
WriteHeaderFile();
WriteExportHeaderFile();
if (_replaceProject->isChecked())
WriteProject();
}
else
{
QSqlError se = _db.lastError();
QStringList drivers = QSqlDatabase::drivers();
AppendOutput("Open Database Error");
AppendOutput(se.text());
AppendOutput("Drivers");
for (int i = 0; i < drivers.size(); ++i)
AppendOutput(" " + drivers.at(i));
}
}
void QTSqlGen::LoadSqliteTables()
{
QSqlQuery query(_db);
quint32 typePosition;
quint32 namePosition;
quint32 sqlPosition;
if (query.exec("select * from sqlite_master"))
{
QSqlRecord rec = query.record();
typePosition = rec.indexOf("type");
namePosition = rec.indexOf("name");
sqlPosition = rec.indexOf("sql");
_tables.clear();
_indexes.clear();
while (query.next())
{
QString type = query.value(typePosition).toString();
if (type == "table" | type == "index")
{
QString name = query.value(namePosition).toString();
QString sql = query.value(sqlPosition).toString();
if (sql.size() && name != "sqlite_sequence")
{
Table table;
table._type = (type == "table") ? table.eTable : table.eIndex;
table._name = name;
table._createStatement = sql;
_tables.push_back(table);
}
}
}
AppendOutput("Tables:");
TableIter iter = _tables.begin();
while (iter != _tables.end())
{
QString type = ((*iter)._type == (*iter).eTable) ? " Table: " : " Index: ";
AppendOutput(type + (*iter)._name);
iter++;
}
}
else
{
QSqlError se = query.lastError();
AppendOutput("Exec Failed");
AppendOutput(se.text());
}
}
void QTSqlGen::LoadSqliteColumns()
{
TableIter iter = _tables.begin();
while (iter != _tables.end())
{
QString tableName = (*iter)._name;
if ((*iter)._type == (*iter).eTable)
{
QStringList columns;
QString createQuery = (*iter)._createStatement;
QString removeStr("Create table " + (*iter)._name + " (");
createQuery = createQuery.simplified();
createQuery.replace("[", "");
createQuery.replace("]", "");
createQuery.replace(")", "");
createQuery.replace("\"", "");
createQuery.replace(removeStr, "", Qt::CaseInsensitive);
columns = createQuery.split(",");
QStringList::iterator columnText = columns.begin();
while (columnText != columns.end())
{
QStringList properties = (*columnText).split(" ", QString::SkipEmptyParts);
Column column;
column._name = properties.at(0).simplified();
QString columnType = properties.at(1).toLower();
if (columnType.contains("varchar") == true)
columnType = "text";
QMap<QString, Column::Type>::iterator typeMapping = gDataMap.find(columnType.toLower());
if (typeMapping != gDataMap.end())
column._type = typeMapping.value();
else
column._type = column.eUnknown;
if (column._type == column.eUnknown)
AppendOutput("Unknown column type in Table:" + (*iter)._name + " Column:" + column._name + " " + columnType);
else
(*iter)._columns.push_back(column);
columnText++;
}
}
iter++;
}
}
void QTSqlGen::LoadSqliteViews()
{
quint32 namePosition;
quint32 sqlPosition;
QSqlQuery query(_db);
if (query.exec("select * from sqlite_master where type = 'view'"))
{
QSqlRecord rec = query.record();
namePosition = rec.indexOf("name");
sqlPosition = rec.indexOf("sql");
_views.clear();
AppendOutput("Views:");
while (query.next())
{
QString name = query.value(namePosition).toString();
QString sql = query.value(sqlPosition).toString();
if ( sql.size() )
{
Table aView;
aView._type = aView.eView;
aView._name = name;
aView._createStatement = sql;
_views.push_back(aView);
AppendOutput(" View: " + aView._name);
}
}
}
else
{
QSqlError se = query.lastError();
AppendOutput("Exec Failed");
AppendOutput(se.text());
}
}
void QTSqlGen::LoadSqliteViewColumns()
{
TableIter iter = _views.begin();
while (iter != _views.end())
{
QString tableName = (*iter)._name;
if ((*iter)._type == (*iter).eView) // safety check
{
QString createQuery = (*iter)._createStatement;
createQuery = createQuery.simplified();
createQuery.replace("[", "").replace("]", "").replace("\"", "");
QString removeStr("Create view " + tableName + " as select");
createQuery.replace(removeStr, "", Qt::CaseInsensitive);
quint32 fromInd = createQuery.indexOf ( "From", 0, Qt::CaseInsensitive);
createQuery = createQuery.left( fromInd ); // remove 'from' clause and everything after it
QStringList columns = createQuery.split(",");
QStringList::iterator columnText = columns.begin();
while (columnText != columns.end())
{
QStringList properties = (*columnText).split("as", QString::SkipEmptyParts);
Column column;
column._type = column.eText; //since create view sql does not contain type information
column._name = properties.at(1).simplified();
(*iter)._columns.push_back(column);
columnText++;
}
}
iter++;
}
}
void QTSqlGen::LoadODBCColumns()
{
QString tableQuery;
SqlProject* currentProject = GetProject();
if (currentProject != NULL)
{
switch (currentProject->_odbcDriver)
{
case eSqlServer2000: //sql server 2008
case eSqlServer2005: //sql server 2005
case eSqlServer2008: //sql server 2000
case eAccess:
tableQuery = "SELECT TOP 1 * FROM <%T%>";
break;
case eMySql:
tableQuery = "SELECT * FROM <%T%> LIMIT 1";
break;
case ePostgres:
tableQuery = "SELECT * FROM \"<%T%>\" LIMIT 1";
break;
case eOracle:
tableQuery = "SELECT * from \"<%T%>\" WHERE ROWNUM <= 1";
break;
}
TableIter iter = _tables.begin();
while (iter != _tables.end())
{
QString selectStatement = tableQuery;
selectStatement.replace("<%T%>", (*iter)._name);
QSqlQuery query(_db);
if (query.exec(selectStatement))
{
QSqlRecord rec = query.record();
for (int i = 0; i < rec.count(); i++)
{
Column column;
QSqlField sqlField = rec.field(i);
column._name = sqlField.name();
switch (sqlField.type())
{
case QVariant::Int: column._type = Column::eInt; break;
case QVariant::String: column._type = Column::eText; break;
case QVariant::UInt: column._type = Column::eUInt; break;
case QVariant::DateTime: column._type = Column::eDateTime; break;
case QVariant::Date: column._type = Column::eDate; break;
case QVariant::Time: column._type = Column::eTime; break;
case QVariant::Double: column._type = Column::eReal; break;
case QVariant::Bool: column._type = Column::eBoolean; break;
case QVariant::ByteArray: column._type = Column::eBytes; break;
default:
column._type = Column::eUnknown;
QString message = "Unhandled Type:";
message += QString(QVariant::typeToName(sqlField.type()));
message += " In Column:" + column._name;
message += " In Table:" + (*iter)._name;
AppendOutput(message);
break;
}
(*iter)._columns.push_back(column);
}
}
else
{
QSqlError se = query.lastError();
AppendOutput("Exec Failed");
AppendOutput(se.text());
}
iter++;
}
}
}
void QTSqlGen::LoadODBCTables()
{
QStringList tables;
SqlProject* sqlProject = GetProject();
_tables.clear();
_indexes.clear();
if (sqlProject != NULL)
{
switch (sqlProject->_odbcDriver)
{
case eOracle: // QT returns too much, use an explicit query
tables = LoadOracleTables();
break;
default: // just use QTs default
tables = _db.tables(QSql::Tables);
break;
}
QStringList::const_iterator tableIter = tables.begin();
while (tableIter != tables.constEnd())
{
Table table;
table._type = table.eTable;
table._name = *tableIter;
_tables.push_back(table);
tableIter++;
}
}
AppendOutput("Tables:");
TableIter iter = _tables.begin();
while (iter != _tables.end())
{
QString type = ((*iter)._type == (*iter).eTable) ? " Table: " : " Index: ";
AppendOutput(type + (*iter)._name);
iter++;
}
}
QStringList QTSqlGen::LoadOracleTables()
{
QStringList result;
if (_db.isOpen())
{
QSqlQuery query("select * from user_objects where OBJECT_TYPE = 'TABLE'", _db);
int fieldNo = query.record().indexOf("OBJECT_NAME");
while (query.next())
{
QString tableName = query.value(fieldNo).toString();
result.push_back(tableName);
}
}
return result;
}
void QTSqlGen::LoadODBCViews()
{
_views.clear();
QStringList views;
SqlProject* sqlProject = GetProject();
if (sqlProject != NULL)
{
switch (sqlProject->_odbcDriver)
{
case eOracle: // QT returns too much, use an explicit query
views = LoadOracleViews();
break;
default: // just use QTs default
views = _db.tables(QSql::Views);
break;
}
QStringList::const_iterator viewIter = views.begin();
while (viewIter != views.constEnd())
{
Table aView;
aView._type = Table::eView;
aView._name = *viewIter;
_views.push_back(aView);
viewIter++;
}
}
AppendOutput("Views:");
TableIter iter = _views.begin();
while (iter != _views.end())
{
AppendOutput(" " + (*iter)._name);
iter++;
}
}
QStringList QTSqlGen::LoadOracleViews()
{
QStringList result;
if (_db.isOpen())
{
QSqlQuery query("select * from user_objects where OBJECT_TYPE = 'VIEW'", _db);
int fieldNo = query.record().indexOf("OBJECT_NAME");
while (query.next())
{
QString tableName = query.value(fieldNo).toString();
result.push_back(tableName);
}
}
return result;
}
void QTSqlGen::LoadODBCViewColumns()
{
}
void QTSqlGen::GenCode
(
Tables& tables,
QString fileName
)
{
QFile templateFile;
templateFile.setFileName(":/templates/Resources/" + fileName + ".h");
if (templateFile.open(QIODevice::ReadOnly))
{
QByteArray headerTmpl;
headerTmpl = templateFile.readAll();
TableIter iter = tables.begin();
while (iter != tables.end())
{
QByteArray header(headerTmpl);
QString tableNameDefine = (*iter)._name.toUpper();
StandardReplacements(header);
header.replace("<%table%>", (*iter)._name.toAscii());
header.replace("<%TABLE%>", tableNameDefine.toAscii());
QFile headerFile;
QString headerFilePath = _targetPath->text() + "/" + (*iter)._name + fileName + ".h";
headerFile.setFileName(headerFilePath);
if (headerFile.open(QIODevice::WriteOnly))
{
AddHeaderFile(QString((*iter)._name + fileName + ".h"));
headerFile.write(header);
AppendOutput(headerFilePath + " written");
headerFile.close();
}
templateFile.close();
GenRecordHeader(*iter);
GenSelectionHeader(*iter);
iter++;
}
templateFile.close();
}
else
{
QFile::FileError fileError = templateFile.error();
AppendOutput("Error opening: " + templateFile.fileName() + ":" + QString::number(fileError));
}
templateFile.setFileName(":/templates/Resources/" + fileName + ".cpp");
if (templateFile.open(QIODevice::ReadOnly))
{
QByteArray sourceTmpl;
sourceTmpl = templateFile.readAll();
TableIter iter = tables.begin();
while (iter != tables.end())
{
QByteArray sourceText(sourceTmpl);
QString tableNameDefine = (*iter)._name.toUpper();
StandardReplacements(sourceText);
sourceText.replace("<%table%>", (*iter)._name.toAscii());
sourceText.replace("<%TABLE%>", tableNameDefine.toAscii());
QString createStatement((*iter)._createStatement);
createStatement.replace("\"", "");
createStatement.replace("\n", " ");
createStatement.replace("\r", " ");
createStatement.replace(" ", " ");
sourceText.replace("<%createStmt%>", createStatement.toAscii());
QFile cppFile;
QString cppFilePath = _targetPath->text() + "/" + (*iter)._name + fileName + ".cpp";
cppFile.setFileName(cppFilePath);
if (cppFile.open(QIODevice::WriteOnly))
{
AddSourceFile((*iter)._name + fileName + ".cpp");
cppFile.write(sourceText);
AppendOutput(cppFilePath + " written");
cppFile.close();
}
GenRecordSource(*iter);
GenSelectionSource(*iter);
iter++;
}
templateFile.close();
}
else
{
QFile::FileError fileError = templateFile.error();
AppendOutput("Error opening: " + templateFile.fileName() + ":" + QString::number(fileError));
}
}
QString QTSqlGen::GenerateFieldType
(
const QString& columnName,
const QString& name,
Column::Type type
)
{
QString result;
QString uName = name.mid(0, 1).toUpper() + name.mid(1);
QFile templateFile;
templateFile.setFileName(":/templates/Resources/fieldType");
if (templateFile.open(QIODevice::ReadOnly))
{
QByteArray fieldTypeTemplate;
QByteArray fieldType;
switch (type)
{
case Column::eText:
fieldType = "eString";
break;
case Column::eBytes:
fieldType = "eBytes";
break;
case Column::eInt:
fieldType = "eInteger";
break;
case Column::eUInt:
fieldType = "eInteger";
break;
case Column::eReal:
fieldType = "eReal";
break;
case Column::eDate:
fieldType = "eDate";
break;
case Column::eTime:
fieldType = "eTime";
break;
case Column::eDateTime:
fieldType = "eDateTime";
break;
case Column::eGuid:
fieldType = "eQUuid";
break;
case Column::eBoolean:
fieldType = "eBool";
break;
}
fieldTypeTemplate = templateFile.readAll();
fieldTypeTemplate.replace("<%fieldType%>", fieldType);
fieldTypeTemplate.replace("<%uName%>", uName.toAscii());
fieldTypeTemplate.replace("<%name%>", columnName.toAscii());
StandardReplacements(fieldTypeTemplate);
result = QString(fieldTypeTemplate);
result += "\n";
}
return result;
}
QString QTSqlGen::GenerateSelector
(
const QString& name,
const Column::Type type
)
{
QString lName(name);
lName.replace("_", "");
lName[0] = QChar(lName[0]).toLower();
QString uName(name);
uName.replace("_", "");
uName[0] = QChar(uName[0]).toUpper();
QByteArray accessor;
QFile templateFile;
switch (type)
{
case Column::eText:
templateFile.setFileName(":/templates/Resources/SelectorString");
break;
case Column::eBytes:
templateFile.setFileName(":/templates/Resources/SelectorBytes");
break;
case Column::eDateTime:
templateFile.setFileName(":/templates/Resources/SelectorDateTime");
break;
case Column::eDate:
templateFile.setFileName(":/templates/Resources/SelectorDate");
break;
case Column::eTime:
templateFile.setFileName(":/templates/Resources/SelectorTime");
break;
case Column::eReal:
templateFile.setFileName(":/templates/Resources/SelectorReal");
break;
case Column::eInt:
templateFile.setFileName(":/templates/Resources/SelectorInt");
break;
case Column::eGuid:
templateFile.setFileName(":/templates/Resources/SelectorGUID");
break;
case Column::eBoolean:
templateFile.setFileName(":/templates/Resources/SelectorBoolean");
break;
}
if (templateFile.open(QIODevice::ReadOnly))
{
accessor = templateFile.readAll();
accessor.replace(QByteArray("<%uName%>"), uName.toAscii());
accessor.replace(QByteArray("<%lName%>"), lName.toAscii());
accessor.replace(QByteArray("<%name%>"), name.toAscii());
StandardReplacements(accessor);
}
return QString(accessor);
}
void QTSqlGen::GenRecordHeader
(
Table& table
)
{
QFile templateFile;
templateFile.setFileName(":/templates/Resources/Record.h");
if (templateFile.open(QIODevice::ReadOnly))
{
QByteArray header;
QString fieldEnums;
QString accessors;
QString TABLENAME = table._name.toUpper();
QString tableName = table._name;
ColumnIter column = table._columns.begin();
while (column != table._columns.end())
{
QString type;
QString name = (*column)._name;
name.replace("_", "");
QString lName = name.mid(0, 1).toLower() + name.mid(1);
QString uName = name.mid(0, 1).toUpper() + name.mid(1);
if (column != table._columns.begin())
{
fieldEnums.append(",\n");
accessors.append("\n");
}
fieldEnums.append("\t\tf_" + uName);
switch ((*column)._type)
{
case Column::eText:
accessors += GenerateAccessor(name, QString("const QString&"));
break;
case Column::eBytes:
accessors += GenerateAccessor(name, QString("const QByteArray&"));
break;
case Column::eDateTime:
accessors += GenerateAccessor(name, QString("const QDateTime&"));
break;
case Column::eDate:
accessors += GenerateAccessor(name, QString("const QDate&"));
break;
case Column::eTime:
accessors += GenerateAccessor(name, QString("const QTime&"));
break;
case Column::eInt:
accessors += GenerateAccessor(name, QString("quint32"));
break;
case Column::eGuid:
accessors += GenerateAccessor(name, QString("const QUuid&"));
break;
case Column::eReal:
accessors += GenerateAccessor(name, QString("qreal"));
break;
case Column::eBoolean:
accessors += GenerateAccessor(name, QString("bool"));
break;
default:
AppendOutput("Unknown Type Error Table:" + table._name + " Column:" + (*column)._name);
break;
}
column++;
}
header = templateFile.readAll();
StandardReplacements(header);
header.replace("<%table%>", tableName.toAscii());
header.replace("<%TABLE%>", TABLENAME.toAscii());
header.replace("<%fieldEnum%>", fieldEnums.toAscii());
header.replace("<%accessors%>", accessors.toAscii());
QString headerFilePath = _targetPath->text() + "/" + table._name + "Record.h";
QFile headerFile;
headerFile.setFileName(headerFilePath);
if (headerFile.open(QIODevice::WriteOnly))
{