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qgsdatasourceuri.cpp
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qgsdatasourceuri.cpp
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/***************************************************************************
qgsdatasourceuri.h - Structure to contain the component parts
of a data source URI
-------------------
begin : Dec 5, 2004
copyright : (C) 2004 by Gary E.Sherman
email : sherman at mrcc.com
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
/* $Id: qgsdatasourceuri.h 5839 2006-09-19 18:04:21Z wonder $ */
#include "qgsdatasourceuri.h"
#include "qgslogger.h"
#include <QStringList>
#include <QRegExp>
QgsDataSourceURI::QgsDataSourceURI() : mSSLmode( SSLprefer )
{
// do nothing
}
QgsDataSourceURI::QgsDataSourceURI( QString uri ) : mSSLmode( SSLprefer )
{
int i = 0;
while ( i < uri.length() )
{
skipBlanks( uri, i );
if ( uri[i] == '=' )
{
QgsDebugMsg( "parameter name expected before =" );
i++;
continue;
}
int start = i;
while ( i < uri.length() && uri[i] != '=' && !uri[i].isSpace() )
i++;
QString pname = uri.mid( start, i - start );
skipBlanks( uri, i );
if ( uri[i] != '=' )
{
QgsDebugMsg( "= expected after parameter name" );
return;
}
i++;
if ( pname == "sql" )
{
// rest of line is a sql where clause
skipBlanks( uri, i );
mSql = uri.mid( i );
break;
}
else
{
QString pval = getValue( uri, i );
if ( pname == "table" )
{
if ( uri[i] == '.' )
{
i++;
mSchema = pval;
mTable = getValue( uri, i );
}
else
{
mSchema = "";
mTable = pval;
}
if ( uri[i] == '(' )
{
i++;
int start = i;
QString col;
while ( i < uri.length() && uri[i] != ')' )
i++;
if ( i == uri.length() )
{
QgsDebugMsg( "closing parenthesis missing" );
}
mGeometryColumn = uri.mid( start, i - start );
i++;
}
}
else if ( pname == "service" )
{
QgsDebugMsg( "service keyword ignored" );
}
else if ( pname == "user" )
{
mUsername = pval;
}
else if ( pname == "password" )
{
mPassword = pval;
}
else if ( pname == "connect_timeout" )
{
QgsDebugMsg( "connection timeout ignored" );
}
else if ( pname == "dbname" )
{
mDatabase = pval;
}
else if ( pname == "host" )
{
mHost = pval;
}
else if ( pname == "hostaddr" )
{
QgsDebugMsg( "database host ip address ignored" );
}
else if ( pname == "port" )
{
mPort = pval;
}
else if ( pname == "tty" )
{
QgsDebugMsg( "backend debug tty ignored" );
}
else if ( pname == "options" )
{
QgsDebugMsg( "backend debug options ignored" );
}
else if ( pname == "sslmode" )
{
if ( pval == "disable" )
mSSLmode = SSLdisable;
else if ( pval == "allow" )
mSSLmode = SSLallow;
else if ( pval == "prefer" )
mSSLmode = SSLprefer;
else if ( pval == "require" )
mSSLmode = SSLrequire;
}
else if ( pname == "requiressl" )
{
if ( pval == "0" )
mSSLmode = SSLdisable;
else
mSSLmode = SSLprefer;
}
else if ( pname == "krbsrvname" )
{
QgsDebugMsg( "kerberos server name ignored" );
}
else if ( pname == "gsslib" )
{
QgsDebugMsg( "gsslib ignored" );
}
else
{
QgsDebugMsg( "invalid connection option \"" + pname + "\" ignored" );
}
}
}
}
QString QgsDataSourceURI::removePassword( const QString& aUri )
{
QRegExp regexp;
regexp.setMinimal( true );
QString safeName( aUri );
if ( aUri.contains( " password=" ) )
{
regexp.setPattern( " password=.* " );
safeName.replace( regexp, " " );
}
else if ( aUri.contains( "IDB:" ) )
{
regexp.setPattern( " pass=.* " );
safeName.replace( regexp, " " );
}
else if (( aUri.contains( "OCI:" ) )
|| ( aUri.contains( "ODBC:" ) ) )
{
regexp.setPattern( "/.*@" );
safeName.replace( regexp, "/@" );
}
else if ( aUri.contains( "SDE:" ) )
{
QStringList strlist = aUri.split( "," );
safeName = strlist[0] + "," + strlist[1] + "," + strlist[2] + "," + strlist[3];
}
return safeName;
}
QString QgsDataSourceURI::username() const
{
return mUsername;
}
QString QgsDataSourceURI::host() const
{
return mHost;
}
QString QgsDataSourceURI::database() const
{
return mDatabase;
}
QString QgsDataSourceURI::password() const
{
return mPassword;
}
QString QgsDataSourceURI::port() const
{
return mPort;
}
QgsDataSourceURI::SSLmode QgsDataSourceURI::sslMode() const
{
return mSSLmode;
}
QString QgsDataSourceURI::schema() const
{
return mSchema;
}
QString QgsDataSourceURI::table() const
{
return mTable;
}
QString QgsDataSourceURI::sql() const
{
return mSql;
}
QString QgsDataSourceURI::geometryColumn() const
{
return mGeometryColumn;
}
void QgsDataSourceURI::setSql( QString sql )
{
mSql = sql;
}
void QgsDataSourceURI::clearSchema()
{
mSchema = "";
}
void QgsDataSourceURI::skipBlanks( const QString &uri, int &i )
{
// skip space before value
while ( i < uri.length() && uri[i].isSpace() )
i++;
}
QString QgsDataSourceURI::getValue( const QString &uri, int &i )
{
skipBlanks( uri, i );
// Get the parameter value
QString pval;
if ( uri[i] == '\'' || uri[i] == '"' )
{
QChar delim = uri[i];
i++;
// value is quoted
for ( ;; )
{
if ( i == uri.length() )
{
QgsDebugMsg( "unterminated quoted string in connection info string" );
return pval;
}
if ( uri[i] == '\\' )
{
i++;
if ( i == uri.length() )
continue;
}
else if ( uri[i] == delim )
{
i++;
break;
}
pval += uri[i++];
}
}
else
{
// value is not quoted
while ( i < uri.length() )
{
if ( uri[i].isSpace() )
{
// end of value
break;
}
if ( uri[i] == '\\' )
{
i++;
if ( i == uri.length() )
break;
}
pval += uri[i++];
}
}
skipBlanks( uri, i );
return pval;
}
QString QgsDataSourceURI::connectionInfo() const
{
QString connectionInfo = "dbname='" + mDatabase + "'";
if ( mHost != "" )
{
connectionInfo += " host=" + mHost;
if ( mPort != "" )
connectionInfo += " port=" + mPort;
}
if ( mUsername != "" )
{
connectionInfo += " user='" + mUsername + "'"; //needs to be escaped
if ( mPassword != "" )
{
QString p = mPassword;
p.replace( '\\', "\\\\" );
p.replace( '\'', "\\'" );
connectionInfo += " password='" + p + "'";
}
}
if ( mSSLmode == SSLdisable )
connectionInfo += " sslmode=disable";
else if ( mSSLmode == SSLallow )
connectionInfo += " sslmode=allow";
else if ( mSSLmode == SSLrequire )
connectionInfo += " sslmode=require";
else if ( mSSLmode == SSLprefer )
connectionInfo += " sslmode=prefer";
return connectionInfo;
}
QString QgsDataSourceURI::uri() const
{
return connectionInfo()
+ QString( " table=%1 (%2) sql=%3" )
.arg( quotedTablename() )
.arg( mGeometryColumn )
.arg( mSql );
}
QString QgsDataSourceURI::quotedTablename() const
{
if ( mSchema != "" )
return QString( "\"%1\".\"%2\"" ).arg( mSchema ).arg( mTable );
else
return QString( "\"%1\"" ).arg( mTable );
}
void QgsDataSourceURI::setConnection( const QString &host,
const QString &port,
const QString &database,
const QString &username,
const QString &password,
SSLmode sslmode )
{
mHost = host;
mDatabase = database;
mPort = port;
mUsername = username;
mPassword = password;
mSSLmode = sslmode;
}
void QgsDataSourceURI::setDataSource( const QString &schema,
const QString &table,
const QString &geometryColumn,
const QString &sql )
{
mSchema = schema;
mTable = table;
mGeometryColumn = geometryColumn;
mSql = sql;
}