//
// $Id$
//
// SPDataImport.m
// sequel-pro
//
// Created by lorenz textor (lorenz@textor.ch) on Wed May 01 2002.
// Copyright (c) 2002-2003 Lorenz Textor. All rights reserved.
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// More info at
#import "SPDataImport.h"
#import "SPDatabaseDocument.h"
#import "SPTablesList.h"
#import "SPTableStructure.h"
#import "SPTableContent.h"
#import "SPCustomQuery.h"
#import "SPGrowlController.h"
#import "SPSQLParser.h"
#import "SPCSVParser.h"
#import "SPTableData.h"
#import "RegexKitLite.h"
#import "SPAlertSheets.h"
#import "SPFieldMapperController.h"
#import "SPFileHandle.h"
#import "SPEncodingPopupAccessory.h"
#import
#import
#define SP_FILE_READ_ERROR_STRING NSLocalizedString(@"File read error", @"File read error title (Import Dialog)")
@interface SPDataImport (PrivateAPI)
- (void) _importBackgroundProcess:(NSString *)filename;
- (void) _resetFieldMappingGlobals;
@end
@implementation SPDataImport
#pragma mark -
#pragma mark Initialisation
/**
* Init.
*/
- (id)init
{
if ((self = [super init])) {
nibObjectsToRelease = [[NSMutableArray alloc] init];
geometryFields = [[NSMutableArray alloc] init];
geometryFieldsMapIndex = [[NSMutableIndexSet alloc] init];
bitFields = [[NSMutableArray alloc] init];
bitFieldsMapIndex = [[NSMutableIndexSet alloc] init];
fieldMappingArray = nil;
fieldMappingGlobalValueArray = nil;
fieldMappingTableColumnNames = nil;
fieldMappingTableDefaultValues = nil;
fieldMappingImportArray = nil;
csvImportTailString = nil;
csvImportHeaderString = nil;
csvImportMethodHasTail = NO;
fieldMappingImportArrayIsPreview = NO;
fieldMappingArrayHasGlobalVariables = NO;
importMethodIsUpdate = NO;
importIntoNewTable = NO;
insertRemainingRowsAfterUpdate = NO;
numberOfImportDataColumns = 0;
selectedTableTarget = nil;
targetTableDetails = nil;
prefs = nil;
lastFilename = nil;
_mainNibLoaded = NO;
}
return self;
}
/**
* UI setup.
*/
- (void)awakeFromNib
{
if (_mainNibLoaded) return;
_mainNibLoaded = YES;
// Load the import accessory view, retaining a reference to the top-level objects that need releasing.
NSArray *importAccessoryTopLevelObjects = nil;
NSNib *nibLoader = [[NSNib alloc] initWithNibNamed:@"ImportAccessory" bundle:[NSBundle mainBundle]];
[nibLoader instantiateNibWithOwner:self topLevelObjects:&importAccessoryTopLevelObjects];
[nibObjectsToRelease addObjectsFromArray:importAccessoryTopLevelObjects];
[nibLoader release];
// Set the accessory view's tabview to tabless (left in for easier editing in IB)
[importTabView setTabViewType:NSNoTabsNoBorder];
// Set up the encodings menu
NSMutableArray *encodings = [NSMutableArray arrayWithArray:[SPEncodingPopupAccessory enabledEncodings]];
[importEncodingPopup removeAllItems];
[importEncodingPopup addItemWithTitle:NSLocalizedString(@"Autodetect", @"Encoding autodetect menu item")];
[[importEncodingPopup menu] addItem:[NSMenuItem separatorItem]];
for (NSNumber *encodingNumber in encodings) {
[importEncodingPopup addItemWithTitle:[NSString localizedNameOfStringEncoding:[encodingNumber unsignedIntegerValue]]];
[[importEncodingPopup lastItem] setTag:[encodingNumber unsignedIntegerValue]];
}
}
#pragma mark -
#pragma mark IBAction methods
/**
* Shows/hides the CSV options accessory view based on the selected format.
*/
- (IBAction)changeFormat:(id)sender
{
[importTabView selectTabViewItemAtIndex:[importFormatPopup indexOfSelectedItem]];
}
/**
* Cancels the current operation.
*/
- (IBAction)cancelProgressBar:(id)sender
{
progressCancelled = YES;
}
/**
* Common method for ending modal sessions
*/
- (IBAction)closeSheet:(id)sender
{
[NSApp endSheet:[sender window] returnCode:[sender tag]];
[[sender window] orderOut:self];
}
/**
* Convenience method for closing and restoring the progress sheet to default state.
*/
- (void)closeAndStopProgressSheet
{
if (![NSThread isMainThread]) {
[self performSelectorOnMainThread:@selector(closeAndStopProgressSheet) withObject:nil waitUntilDone:YES];
return;
}
[NSApp endSheet:singleProgressSheet];
[singleProgressSheet orderOut:nil];
[[singleProgressBar onMainThread] stopAnimation:self];
[[singleProgressBar onMainThread] setMaxValue:100];
}
#pragma mark -
#pragma mark Import construction methods
/**
* Invoked when user clicks on an ImportFromClipboard menuitem.
*/
- (void)importFromClipboard
{
// clipboard textview with no wrapping
const CGFloat LargeNumberForText = 1.0e7;
[[importFromClipboardTextView textContainer] setContainerSize:NSMakeSize(LargeNumberForText, LargeNumberForText)];
[[importFromClipboardTextView textContainer] setWidthTracksTextView:NO];
[[importFromClipboardTextView textContainer] setHeightTracksTextView:NO];
[importFromClipboardTextView setAutoresizingMask:NSViewNotSizable];
[importFromClipboardTextView setMaxSize:NSMakeSize(LargeNumberForText, LargeNumberForText)];
[importFromClipboardTextView setHorizontallyResizable:YES];
[importFromClipboardTextView setVerticallyResizable:YES];
[importFromClipboardTextView setFont:[NSFont fontWithName:@"Monaco" size:11.0f]];
if([[[NSPasteboard generalPasteboard] stringForType:NSStringPboardType] length] > 4000)
[importFromClipboardTextView setString:[[[[NSPasteboard generalPasteboard] stringForType:NSStringPboardType] substringToIndex:4000] stringByAppendingString:@"\n…"]];
else
[importFromClipboardTextView setString:[[NSPasteboard generalPasteboard] stringForType:NSStringPboardType]];
// Preset the accessory view with prefs defaults
[importFieldsTerminatedField setStringValue:[prefs objectForKey:SPCSVImportFieldTerminator]];
[importLinesTerminatedField setStringValue:[prefs objectForKey:SPCSVImportLineTerminator]];
[importFieldsEscapedField setStringValue:[prefs objectForKey:SPCSVImportFieldEscapeCharacter]];
[importFieldsEnclosedField setStringValue:[prefs objectForKey:SPCSVImportFieldEnclosedBy]];
[importFieldNamesSwitch setState:[[prefs objectForKey:SPCSVImportFirstLineIsHeader] boolValue]];
// Reset and disable the encoding menu
[importEncodingPopup selectItemWithTag:NSUTF8StringEncoding];
[importEncodingPopup setEnabled:NO];
// Add the view, and resize it to fit the accessory view size
[importFromClipboardAccessoryView addSubview:importView];
NSRect accessoryViewRect = [importFromClipboardAccessoryView frame];
[importView setFrame:NSMakeRect(0, 0, accessoryViewRect.size.width, accessoryViewRect.size.height)];
[NSApp beginSheet:importFromClipboardSheet
modalForWindow:[tableDocumentInstance parentWindow]
modalDelegate:self
didEndSelector:@selector(importFromClipboardSheetDidEnd:returnCode:contextInfo:)
contextInfo:nil];
}
/**
* Callback when the import from clipback sheet is closed
*/
- (void)importFromClipboardSheetDidEnd:(id)sheet returnCode:(NSInteger)returnCode contextInfo:(NSString *)contextInfo
{
// Reset the interface and store prefs
[importFromClipboardTextView setString:@""];
[prefs setObject:[[importFormatPopup selectedItem] title] forKey:@"importFormatPopupValue"];
// Check if the user canceled
if (returnCode != NSOKButton)
return;
// Reset progress cancelled from any previous runs
progressCancelled = NO;
NSString *importFileName = [NSString stringWithFormat:@"%@%@",
SPImportClipboardTempFileNamePrefix,
[[NSDate date] descriptionWithCalendarFormat:@"%H%M%S"
timeZone:nil
locale:[[NSUserDefaults standardUserDefaults] dictionaryRepresentation]]];
// Write clipboard content to temp file using the connection encoding
NSStringEncoding encoding;
if ([[[importFormatPopup selectedItem] title] isEqualToString:@"SQL"])
encoding = NSUTF8StringEncoding;
else
encoding = [mySQLConnection stringEncoding];
if(![[[NSPasteboard generalPasteboard] stringForType:NSStringPboardType] writeToFile:importFileName atomically:NO encoding:encoding error:nil]) {
NSBeep();
NSLog(@"Couldn't write clipboard content to temporary file.");
return;
}
if (importFileName == nil) return;
// begin import process
[NSThread detachNewThreadSelector:@selector(_importBackgroundProcess:) toTarget:self withObject:importFileName];
}
/**
* Invoked when user clicks on an import menuitem.
*/
- (void)importFile
{
// prepare open panel and accessory view
NSOpenPanel *openPanel = [NSOpenPanel openPanel];
// Preset the accessory view with prefs defaults
[importFieldsTerminatedField setStringValue:[prefs objectForKey:SPCSVImportFieldTerminator]];
[importLinesTerminatedField setStringValue:[prefs objectForKey:SPCSVImportLineTerminator]];
[importFieldsEscapedField setStringValue:[prefs objectForKey:SPCSVImportFieldEscapeCharacter]];
[importFieldsEnclosedField setStringValue:[prefs objectForKey:SPCSVImportFieldEnclosedBy]];
[importFieldNamesSwitch setState:[[prefs objectForKey:SPCSVImportFirstLineIsHeader] boolValue]];
[openPanel setAccessoryView:importView];
[openPanel setDelegate:self];
if ([prefs valueForKey:@"importFormatPopupValue"]) {
[importFormatPopup selectItemWithTitle:[prefs valueForKey:@"importFormatPopupValue"]];
[self changeFormat:self];
}
// Show openPanel
[openPanel beginSheetForDirectory:[prefs objectForKey:@"openPath"]
file:[lastFilename lastPathComponent]
modalForWindow:[tableDocumentInstance parentWindow]
modalDelegate:self
didEndSelector:@selector(importFileSheetDidEnd:returnCode:contextInfo:)
contextInfo:nil];
}
/**
* Callback for when the import sheet is closed
*/
- (void)importFileSheetDidEnd:(id)sheet returnCode:(NSInteger)returnCode contextInfo:(NSString *)contextInfo
{
// Save values to preferences
[prefs setObject:[(NSOpenPanel*)sheet directory] forKey:@"openPath"];
[prefs setObject:[[importFormatPopup selectedItem] title] forKey:@"importFormatPopupValue"];
// Close NSOpenPanel sheet
[sheet orderOut:self];
// Check if the user canceled
if (returnCode != NSOKButton)
return;
// Reset progress cancelled from any previous runs
progressCancelled = NO;
if(lastFilename) [lastFilename release]; lastFilename = nil;
lastFilename = [[NSString stringWithString:[(NSOpenPanel*)sheet filename]] retain];
NSString *importFileName = [NSString stringWithString:lastFilename];
if (lastFilename == nil || ![lastFilename length]) {
NSBeep();
return;
}
if (importFileName == nil) return;
// Begin the import process
[NSThread detachNewThreadSelector:@selector(_importBackgroundProcess:) toTarget:self withObject:importFileName];
}
/**
* Invoked when the user opens a large file, and when warned, chooses "Import".
*/
- (void)startSQLImportProcessWithFile:(NSString *)filename
{
[importFormatPopup selectItemWithTitle:@"SQL"];
[NSThread detachNewThreadSelector:@selector(_importBackgroundProcess:) toTarget:self withObject:filename];
}
#pragma mark -
#pragma mark SQL import
/**
* Streaming data processing method to import a supplied SQL file.
*
* The file is read in chunk by chunk; each chunk is then checked
* for line endings, which are used to split the data into parts
* which can be parsed to NSStrings in the appropriate encoding.
*
* The NSStrings are then fed to a SQL parser, which splits them
* into statements ready to be executed.
*/
- (void)importSQLFile:(NSString *)filename
{
NSAutoreleasePool *importPool;
SPFileHandle *sqlFileHandle;
NSMutableData *sqlDataBuffer;
const unsigned char *sqlDataBufferBytes;
NSData *fileChunk;
NSString *sqlString;
SPSQLParser *sqlParser;
NSString *query;
NSMutableString *errors = [NSMutableString string];
NSInteger fileChunkMaxLength = 1024 * 1024;
NSUInteger fileTotalLength = 0;
NSUInteger fileProcessedLength = 0;
NSInteger queriesPerformed = 0;
NSInteger dataBufferLength = 0;
NSInteger dataBufferPosition = 0;
NSInteger dataBufferLastQueryEndPosition = 0;
BOOL fileIsCompressed;
BOOL allDataRead = NO;
BOOL ignoreSQLErrors = ([importSQLErrorHandlingPopup selectedTag] == SPSQLImportIgnoreErrors);
NSStringEncoding sqlEncoding = NSUTF8StringEncoding;
NSString *connectionEncodingToRestore = nil;
NSCharacterSet *whitespaceAndNewlineCharset = [NSCharacterSet whitespaceAndNewlineCharacterSet];
// Start the notification timer to allow notifications to be shown, even if frontmost, for long queries
[[SPGrowlController sharedGrowlController] setVisibilityForNotificationName:@"Import Finished"];
// Open a filehandle for the SQL file
sqlFileHandle = [SPFileHandle fileHandleForReadingAtPath:filename];
if (!sqlFileHandle) {
SPBeginAlertSheet(NSLocalizedString(@"Import Error", @"Import Error title"),
NSLocalizedString(@"OK", @"OK button"),
nil, nil, [tableDocumentInstance parentWindow], self, nil, nil,
NSLocalizedString(@"The SQL file you selected could not be found or read.", @"SQL file open error"));
if([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
return;
}
fileIsCompressed = [sqlFileHandle isCompressed];
// Grab the file length
fileTotalLength = [[[[NSFileManager defaultManager] attributesOfItemAtPath:filename error:NULL] objectForKey:NSFileSize] longLongValue];
if (!fileTotalLength) fileTotalLength = 1;
// If importing a bzipped file, use indeterminate progress bars as no progress is available
BOOL useIndeterminate = NO;
if ([sqlFileHandle compressionFormat] == SPBzip2Compression) useIndeterminate = YES;
// Reset progress interface
[errorsView setString:@""];
[[singleProgressTitle onMainThread] setStringValue:NSLocalizedString(@"Importing SQL", @"text showing that the application is importing SQL")];
[[singleProgressText onMainThread] setStringValue:NSLocalizedString(@"Reading...", @"text showing that app is reading dump")];
[[singleProgressBar onMainThread] setIndeterminate:useIndeterminate];
[[singleProgressBar onMainThread] setMaxValue:fileTotalLength];
[[singleProgressBar onMainThread] setUsesThreadedAnimation:YES];
[[singleProgressBar onMainThread] startAnimation:self];
// Open the progress sheet
[[NSApp onMainThread] beginSheet:singleProgressSheet modalForWindow:[tableDocumentInstance parentWindow] modalDelegate:self didEndSelector:nil contextInfo:nil];
[[singleProgressSheet onMainThread] makeKeyWindow];
[tableDocumentInstance setQueryMode:SPImportExportQueryMode];
// Determine the file encoding. The first item in the encoding menu is "Autodetect"; if
// this is selected, attempt to detect the encoding of the file (using first 2.5MB).
if (![importEncodingPopup indexOfSelectedItem]) {
SPFileHandle *detectorFileHandle = [SPFileHandle fileHandleForReadingAtPath:filename];
if (detectorFileHandle) {
UniversalDetector *fileEncodingDetector = [[UniversalDetector alloc] init];
[fileEncodingDetector analyzeData:[detectorFileHandle readDataOfLength:2500000]];
sqlEncoding = [fileEncodingDetector encoding];
[fileEncodingDetector release];
if ([MCPConnection mySQLEncodingForStringEncoding:sqlEncoding]) {
connectionEncodingToRestore = [mySQLConnection encoding];
[mySQLConnection queryString:[NSString stringWithFormat:@"SET NAMES '%@'", [MCPConnection mySQLEncodingForStringEncoding:sqlEncoding]]];
}
}
// Otherwise, get the encoding to use from the menu
} else {
sqlEncoding = [importEncodingPopup selectedTag];
}
// Read in the file in a loop
sqlParser = [[SPSQLParser alloc] init];
[sqlParser setDelimiterSupport:YES];
sqlDataBuffer = [[NSMutableData alloc] init];
importPool = [[NSAutoreleasePool alloc] init];
while (1) {
if (progressCancelled) break;
@try {
fileChunk = [sqlFileHandle readDataOfLength:fileChunkMaxLength];
}
// Report file read errors, and bail
@catch (NSException *exception) {
if (connectionEncodingToRestore) {
[mySQLConnection queryString:[NSString stringWithFormat:@"SET NAMES '%@'", connectionEncodingToRestore]];
}
[self closeAndStopProgressSheet];
SPBeginAlertSheet(SP_FILE_READ_ERROR_STRING,
NSLocalizedString(@"OK", @"OK button"),
nil, nil, [tableDocumentInstance parentWindow], self, nil, nil,
[NSString stringWithFormat:NSLocalizedString(@"An error occurred when reading the file.\n\nOnly %ld queries were executed.\n\n(%@)", @"SQL read error, including detail from system"), (long)queriesPerformed, [exception reason]]);
[sqlParser release];
[sqlDataBuffer release];
[importPool drain];
[tableDocumentInstance setQueryMode:SPInterfaceQueryMode];
if([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
return;
}
// If no data returned, end of file - set a marker to ensure full processing
if (!fileChunk || ![fileChunk length]) {
allDataRead = YES;
// Otherwise add the data to the read/parse buffer
} else {
[sqlDataBuffer appendData:fileChunk];
}
// Step through the data buffer, identifying line endings to parse the data with
sqlDataBufferBytes = [sqlDataBuffer bytes];
dataBufferLength = [sqlDataBuffer length];
for ( ; dataBufferPosition < dataBufferLength || allDataRead; dataBufferPosition++) {
if (sqlDataBufferBytes[dataBufferPosition] == 0x0A || sqlDataBufferBytes[dataBufferPosition] == 0x0D || allDataRead) {
// Keep reading through any other line endings
while (dataBufferPosition + 1 < dataBufferLength
&& (sqlDataBufferBytes[dataBufferPosition+1] == 0x0A
|| sqlDataBufferBytes[dataBufferPosition+1] == 0x0D))
{
dataBufferPosition++;
}
// Try to generate a NSString with the resulting data
sqlString = [[NSString alloc] initWithData:[sqlDataBuffer subdataWithRange:NSMakeRange(dataBufferLastQueryEndPosition, dataBufferPosition - dataBufferLastQueryEndPosition)]
encoding:sqlEncoding];
if (!sqlString) {
if (connectionEncodingToRestore) {
[mySQLConnection queryString:[NSString stringWithFormat:@"SET NAMES '%@'", connectionEncodingToRestore]];
}
[self closeAndStopProgressSheet];
NSString *displayEncoding;
if (![importEncodingPopup indexOfSelectedItem]) {
displayEncoding = [NSString stringWithFormat:@"%@ - %@", [importEncodingPopup titleOfSelectedItem], [NSString localizedNameOfStringEncoding:sqlEncoding]];
} else {
displayEncoding = [NSString localizedNameOfStringEncoding:sqlEncoding];
}
SPBeginAlertSheet(SP_FILE_READ_ERROR_STRING,
NSLocalizedString(@"OK", @"OK button"),
nil, nil, [tableDocumentInstance parentWindow], self, nil, nil,
[NSString stringWithFormat:NSLocalizedString(@"An error occurred when reading the file, as it could not be read in the encoding you selected (%@).\n\nOnly %ld queries were executed.", @"SQL encoding read error"), displayEncoding, (long)queriesPerformed]);
[sqlParser release];
[sqlDataBuffer release];
[importPool drain];
[tableDocumentInstance setQueryMode:SPInterfaceQueryMode];
if([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
return;
}
// Add the NSString segment to the SQL parser and release it
[sqlParser appendString:sqlString];
[sqlString release];
if (allDataRead) break;
// Increment the query end position marker
dataBufferLastQueryEndPosition = dataBufferPosition;
}
}
// Trim the data buffer if part of it was used
if (dataBufferLastQueryEndPosition) {
[sqlDataBuffer setData:[sqlDataBuffer subdataWithRange:NSMakeRange(dataBufferLastQueryEndPosition, dataBufferLength - dataBufferLastQueryEndPosition)]];
dataBufferPosition -= dataBufferLastQueryEndPosition;
dataBufferLastQueryEndPosition = 0;
}
// Before entering the following loop, check that we actually have a connection.
// If not, check the connection if appropriate and then clean up and exit if appropriate.
if (![mySQLConnection isConnected] && ([mySQLConnection userTriggeredDisconnect] || ![mySQLConnection checkConnection])) {
if ([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
[self closeAndStopProgressSheet];
[errors appendString:NSLocalizedString(@"The connection to the server was lost during the import. The import is only partially complete.", @"Connection lost during import error message")];
[self showErrorSheetWithMessage:errors];
[sqlParser release];
[sqlDataBuffer release];
[importPool drain];
return;
}
// Extract and process any complete SQL queries that can be found in the strings parsed so far
while (query = [sqlParser trimAndReturnStringToCharacter:';' trimmingInclusively:YES returningInclusively:NO]) {
if (progressCancelled) break;
fileProcessedLength += [query lengthOfBytesUsingEncoding:sqlEncoding] + 1;
// Ensure whitespace is removed from both ends, and normalise if necessary.
if ([sqlParser containsCarriageReturns]) {
query = [SPSQLParser normaliseQueryForExecution:query];
} else {
query = [query stringByTrimmingCharactersInSet:whitespaceAndNewlineCharset];
}
// Skip blank or whitespace-only queries to avoid errors
if (![query length]) continue;
// Run the query
[mySQLConnection queryString:query usingEncoding:sqlEncoding streamingResult:NO];
// Check for any errors
if ([mySQLConnection queryErrored] && ![[mySQLConnection getLastErrorMessage] isEqualToString:@"Query was empty"]) {
[errors appendFormat:NSLocalizedString(@"[ERROR in query %ld] %@\n", @"error text when multiple custom query failed"), (long)(queriesPerformed+1), [mySQLConnection getLastErrorMessage]];
// If not set to ignore errors, ask what to do. Use NSAlert rather than
// SPBeginWaitingAlertSheet as there is already a modal sheet in progress.
if (!ignoreSQLErrors) {
NSInteger sqlImportErrorSheetReturnCode;
NSAlert *sqlErrorAlert = [NSAlert
alertWithMessageText:NSLocalizedString(@"An error occurred while importing SQL", @"sql import error message")
defaultButton:NSLocalizedString(@"Continue", @"continue button")
alternateButton:NSLocalizedString(@"Ignore All Errors", @"ignore errors button")
otherButton:NSLocalizedString(@"Stop", @"stop button")
informativeTextWithFormat:NSLocalizedString(@"[ERROR in query %ld] %@\n", @"error text when multiple custom query failed"), (long)(queriesPerformed+1), [mySQLConnection getLastErrorMessage]
];
[sqlErrorAlert setAlertStyle:NSWarningAlertStyle];
sqlImportErrorSheetReturnCode = [sqlErrorAlert runModal];
switch (sqlImportErrorSheetReturnCode) {
// On "continue", no additional action is required
case NSAlertDefaultReturn:
break;
// Ignore all future errors if asked to
case NSAlertAlternateReturn:
ignoreSQLErrors = YES;
break;
// Otherwise, stop
default:
[errors appendString:NSLocalizedString(@"Import cancelled!\n", @"import cancelled message")];
progressCancelled = YES;
}
}
}
// Increment the processed queries count
queriesPerformed++;
// Update the progress bar
if (fileIsCompressed) {
[singleProgressBar setDoubleValue:[sqlFileHandle realDataReadLength]];
[singleProgressText setStringValue:[NSString stringWithFormat:NSLocalizedString(@"Imported %@ of SQL", @"SQL import progress text where total size is unknown"),
[NSString stringForByteSize:fileProcessedLength]]];
} else {
[singleProgressBar setDoubleValue:fileProcessedLength];
[singleProgressText setStringValue:[NSString stringWithFormat:NSLocalizedString(@"Imported %@ of %@", @"SQL import progress text"),
[NSString stringForByteSize:fileProcessedLength], [NSString stringForByteSize:fileTotalLength]]];
}
}
// If all the data has been read, break out of the processing loop
if (allDataRead) break;
// Reset the autorelease pool
[importPool drain];
importPool = [[NSAutoreleasePool alloc] init];
}
// If any text remains in the SQL parser, it's an unterminated query - execute it.
query = [sqlParser stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
if ([query length] && !progressCancelled) {
// Run the query
[mySQLConnection queryString:query usingEncoding:sqlEncoding streamingResult:NO];
// Check for any errors
if ([mySQLConnection queryErrored] && ![[mySQLConnection getLastErrorMessage] isEqualToString:@"Query was empty"]) {
[errors appendFormat:NSLocalizedString(@"[ERROR in query %ld] %@\n", @"error text when multiple custom query failed"), (long)(queriesPerformed+1), [mySQLConnection getLastErrorMessage]];
}
// Increment the processed queries count
queriesPerformed++;
}
// Clean up
if (connectionEncodingToRestore) {
[mySQLConnection queryString:[NSString stringWithFormat:@"SET NAMES '%@'", connectionEncodingToRestore]];
}
[sqlParser release];
[sqlDataBuffer release];
[importPool drain];
[tableDocumentInstance setQueryMode:SPInterfaceQueryMode];
if([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
// Close progress sheet
[self closeAndStopProgressSheet];
// Display any errors
if ([errors length]) {
[self showErrorSheetWithMessage:errors];
}
// Update available databases
[tableDocumentInstance setDatabases:self];
// Update current selected database
[[tableDocumentInstance onMainThread] refreshCurrentDatabase];
// Update current database tables
[tablesListInstance updateTables:self];
// Re-query the structure of all databases in the background
[NSThread detachNewThreadSelector:@selector(queryDbStructureWithUserInfo:) toTarget:mySQLConnection withObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:YES], @"forceUpdate", nil]];
// Import finished Growl notification
[[SPGrowlController sharedGrowlController] notifyWithTitle:@"Import Finished"
description:[NSString stringWithFormat:NSLocalizedString(@"Finished importing %@",@"description for finished importing growl notification"), [filename lastPathComponent]]
document:tableDocumentInstance
notificationName:@"Import Finished"];
}
#pragma mark -
#pragma mark CSV import
/**
* Streaming data processing method to import a supplied CSV file.
*
* The file is read in chunk by chunk; each chunk is then checked
* for line endings, which are used to split the data into parts
* which can be parsed to NSStrings in the appropriate encoding.
*
* The NSStrings are then fed to a CSV parser, which splits them
* into arrays of rows/cells. Once 100 have been read in, a field
* mapping sheet is displayed to allow columns to be mapped to
* fields in a table; the queries are then constructed for each of
* the rows, and the rest of the file is processed.
*/
- (void)importCSVFile:(NSString *)filename
{
NSAutoreleasePool *importPool;
SPFileHandle *csvFileHandle;
NSMutableData *csvDataBuffer;
const unsigned char *csvDataBufferBytes;
NSData *fileChunk;
NSString *csvString;
SPCSVParser *csvParser;
NSMutableString *query;
NSMutableString *errors = [NSMutableString string];
NSMutableString *insertBaseString = [NSMutableString string];
NSMutableString *insertRemainingBaseString = [NSMutableString string];
NSMutableArray *parsedRows = [[NSMutableArray alloc] init];
NSMutableArray *parsePositions = [[NSMutableArray alloc] init];
NSArray *csvRowArray;
NSInteger fileChunkMaxLength = 256 * 1024;
NSInteger csvRowsPerQuery = 50;
NSUInteger csvRowsThisQuery;
NSUInteger fileTotalLength = 0;
NSInteger rowsImported = 0;
NSInteger dataBufferLength = 0;
NSInteger dataBufferPosition = 0;
NSInteger dataBufferLastQueryEndPosition = 0;
NSInteger i;
BOOL allDataRead = NO;
BOOL insertBaseStringHasEntries;
NSStringEncoding csvEncoding = [mySQLConnection stringEncoding];
fieldMappingArray = nil;
fieldMappingGlobalValueArray = nil;
[geometryFields removeAllObjects];
[geometryFieldsMapIndex removeAllIndexes];
[bitFields removeAllObjects];
[bitFieldsMapIndex removeAllIndexes];
// Start the notification timer to allow notifications to be shown even if frontmost for long queries
[[SPGrowlController sharedGrowlController] setVisibilityForNotificationName:@"Import Finished"];
// Open a filehandle for the CSV file
csvFileHandle = [SPFileHandle fileHandleForReadingAtPath:filename];
if (!csvFileHandle) {
SPBeginAlertSheet(NSLocalizedString(@"Import Error", @"Import Error title"),
NSLocalizedString(@"OK", @"OK button"),
nil, nil, [tableDocumentInstance parentWindow], self, nil, nil,
NSLocalizedString(@"The CSV file you selected could not be found or read.", @"CSV file open error"));
if([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
return;
}
// Grab the file length
fileTotalLength = [[[[NSFileManager defaultManager] attributesOfItemAtPath:filename error:NULL] objectForKey:NSFileSize] longLongValue];
if (!fileTotalLength) fileTotalLength = 1;
// Reset progress interface
[errorsView setString:@""];
[[singleProgressTitle onMainThread] setStringValue:NSLocalizedString(@"Importing CSV", @"text showing that the application is importing CSV")];
[[singleProgressText onMainThread] setStringValue:NSLocalizedString(@"Reading...", @"text showing that app is reading dump")];
[[singleProgressBar onMainThread] setIndeterminate:YES];
[[singleProgressBar onMainThread] setUsesThreadedAnimation:YES];
[[singleProgressBar onMainThread] startAnimation:self];
// Open the progress sheet
[[NSApp onMainThread] beginSheet:singleProgressSheet modalForWindow:[tableDocumentInstance parentWindow] modalDelegate:self didEndSelector:nil contextInfo:nil];
[[singleProgressSheet onMainThread] makeKeyWindow];
[tableDocumentInstance setQueryMode:SPImportExportQueryMode];
// Determine the file encoding. The first item in the encoding menu is "Autodetect"; if
// this is selected, attempt to detect the encoding of the file (using first 2.5MB).
if (![importEncodingPopup indexOfSelectedItem]) {
SPFileHandle *detectorFileHandle = [SPFileHandle fileHandleForReadingAtPath:filename];
if (detectorFileHandle) {
UniversalDetector *fileEncodingDetector = [[UniversalDetector alloc] init];
[fileEncodingDetector analyzeData:[detectorFileHandle readDataOfLength:2500000]];
csvEncoding = [fileEncodingDetector encoding];
[fileEncodingDetector release];
}
// Otherwise, get the encoding to use from the menu
} else {
csvEncoding = [importEncodingPopup selectedTag];
}
// Read in the file in a loop. The loop actually needs to perform three tasks: read in
// CSV data and parse them into row arrays; present the field mapping interface once it
// has some data to show within the interface; and use the field mapping data to construct
// and send queries to the server. The loop is mainly to perform the first of these; the
// other two must therefore be performed where possible.
csvParser = [[SPCSVParser alloc] init];
// Store settings in prefs
[prefs setObject:[importFieldsEnclosedField stringValue] forKey:SPCSVImportFieldEnclosedBy];
[prefs setObject:[importFieldsEscapedField stringValue] forKey:SPCSVImportFieldEscapeCharacter];
[prefs setObject:[importLinesTerminatedField stringValue] forKey:SPCSVImportLineTerminator];
[prefs setObject:[importFieldsTerminatedField stringValue] forKey:SPCSVImportFieldTerminator];
[prefs setBool:[importFieldNamesSwitch state] forKey:SPCSVImportFirstLineIsHeader];
// Take CSV import setting from accessory view
[csvParser setFieldTerminatorString:[importFieldsTerminatedField stringValue] convertDisplayStrings:YES];
[csvParser setLineTerminatorString:[importLinesTerminatedField stringValue] convertDisplayStrings:YES];
[csvParser setFieldQuoteString:[importFieldsEnclosedField stringValue] convertDisplayStrings:YES];
[csvParser setEscapeString:[importFieldsEscapedField stringValue] convertDisplayStrings:YES];
[csvParser setNullReplacementString:[prefs objectForKey:SPNullValue]];
csvDataBuffer = [[NSMutableData alloc] init];
importPool = [[NSAutoreleasePool alloc] init];
while (1) {
if (progressCancelled) break;
@try {
fileChunk = [csvFileHandle readDataOfLength:fileChunkMaxLength];
}
// Report file read errors, and bail
@catch (NSException *exception) {
[self closeAndStopProgressSheet];
SPBeginAlertSheet(SP_FILE_READ_ERROR_STRING,
NSLocalizedString(@"OK", @"OK button"),
nil, nil, [tableDocumentInstance parentWindow], self, nil, nil,
[NSString stringWithFormat:NSLocalizedString(@"An error occurred when reading the file.\n\nOnly %ld rows were imported.\n\n(%@)", @"CSV read error, including detail string from system"), (long)rowsImported, [exception reason]]);
[csvParser release];
[csvDataBuffer release];
[parsedRows release];
[parsePositions release];
[self _resetFieldMappingGlobals];
[importPool drain];
[tableDocumentInstance setQueryMode:SPInterfaceQueryMode];
if([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
return;
}
// If no data returned, end of file - set a marker to ensure full processing
if (!fileChunk || ![fileChunk length]) {
allDataRead = YES;
// Otherwise add the data to the read/parse buffer
} else {
[csvDataBuffer appendData:fileChunk];
}
// Step through the data buffer, identifying line endings to parse the data with
csvDataBufferBytes = [csvDataBuffer bytes];
dataBufferLength = [csvDataBuffer length];
for ( ; dataBufferPosition < dataBufferLength || allDataRead; dataBufferPosition++) {
if (csvDataBufferBytes[dataBufferPosition] == 0x0A || csvDataBufferBytes[dataBufferPosition] == 0x0D || allDataRead) {
// Keep reading through any other line endings
while (dataBufferPosition + 1 < dataBufferLength
&& (csvDataBufferBytes[dataBufferPosition+1] == 0x0A
|| csvDataBufferBytes[dataBufferPosition+1] == 0x0D))
{
dataBufferPosition++;
}
// Try to generate a NSString with the resulting data
csvString = [[NSString alloc] initWithData:[csvDataBuffer subdataWithRange:NSMakeRange(dataBufferLastQueryEndPosition, dataBufferPosition - dataBufferLastQueryEndPosition)] encoding:csvEncoding];
if (!csvString) {
[self closeAndStopProgressSheet];
NSString *displayEncoding;
if (![importEncodingPopup indexOfSelectedItem]) {
displayEncoding = [NSString stringWithFormat:@"%@ - %@", [importEncodingPopup titleOfSelectedItem], [NSString localizedNameOfStringEncoding:csvEncoding]];
} else {
displayEncoding = [NSString localizedNameOfStringEncoding:csvEncoding];
}
SPBeginAlertSheet(SP_FILE_READ_ERROR_STRING,
NSLocalizedString(@"OK", @"OK button"),
nil, nil, [tableDocumentInstance parentWindow], self, nil, nil,
[NSString stringWithFormat:NSLocalizedString(@"An error occurred when reading the file, as it could not be read using the encoding you selected (%@).\n\nOnly %ld rows were imported.", @"CSV encoding read error"), displayEncoding, (long)rowsImported]);
[csvParser release];
[csvDataBuffer release];
[parsedRows release];
[parsePositions release];
[self _resetFieldMappingGlobals];
[importPool drain];
[tableDocumentInstance setQueryMode:SPInterfaceQueryMode];
if([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
return;
}
// Add the NSString segment to the CSV parser and release it
[csvParser appendString:csvString];
[csvString release];
if (allDataRead) break;
// Increment the buffer end position marker
dataBufferLastQueryEndPosition = dataBufferPosition;
}
}
// Trim the data buffer if part of it was used
if (dataBufferLastQueryEndPosition) {
[csvDataBuffer setData:[csvDataBuffer subdataWithRange:NSMakeRange(dataBufferLastQueryEndPosition, dataBufferLength - dataBufferLastQueryEndPosition)]];
dataBufferPosition -= dataBufferLastQueryEndPosition;
dataBufferLastQueryEndPosition = 0;
}
// Extract and process any full CSV rows found so far. Also trigger processing if all
// rows have been read, in order to ensure short files are still processed.
while ((csvRowArray = [csvParser getRowAsArrayAndTrimString:YES stringIsComplete:allDataRead]) || (allDataRead && [parsedRows count])) {
// If valid, add the row array and length to local storage
if (csvRowArray) {
[parsedRows addObject:csvRowArray];
[parsePositions addObject:[NSNumber numberWithUnsignedInteger:[csvParser totalLengthParsed]]];
}
// If we have no field mapping array, and either the first hundred rows or all
// the rows, request the field mapping from the user.
if (!fieldMappingArray
&& ([parsedRows count] >= 100 || (!csvRowArray && allDataRead)))
{
[self closeAndStopProgressSheet];
if (![self buildFieldMappingArrayWithData:parsedRows isPreview:!allDataRead ofSoureFile:filename]) {
[csvParser release];
[csvDataBuffer release];
[parsedRows release];
[parsePositions release];
[self _resetFieldMappingGlobals];
[importPool drain];
[tableDocumentInstance setQueryMode:SPInterfaceQueryMode];
if([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
return;
}
// Reset progress interface and open the progress sheet
[[singleProgressBar onMainThread] setIndeterminate:NO];
[[singleProgressBar onMainThread] setMaxValue:fileTotalLength];
[[singleProgressBar onMainThread] startAnimation:self];
[[NSApp onMainThread] beginSheet:singleProgressSheet modalForWindow:[tableDocumentInstance parentWindow] modalDelegate:self didEndSelector:nil contextInfo:nil];
[[singleProgressSheet onMainThread] makeKeyWindow];
// Set up the field names import string for INSERT or REPLACE INTO
[insertBaseString appendString:csvImportHeaderString];
if(!importMethodIsUpdate) {
NSString *fieldName;
[insertBaseString appendFormat:@"%@ (", [selectedTableTarget backtickQuotedString]];
insertBaseStringHasEntries = NO;
for (i = 0; i < [fieldMappingArray count]; i++) {
if ([NSArrayObjectAtIndex(fieldMapperOperator, i) integerValue] == 0) {
if (insertBaseStringHasEntries)
[insertBaseString appendString:@","];
else
insertBaseStringHasEntries = YES;
if([geometryFields count]) {
// Store column index for each geometry field to be able to apply GeomFromText() while importing
if([geometryFields containsObject:fieldName = NSArrayObjectAtIndex(fieldMappingTableColumnNames, i) ])
[geometryFieldsMapIndex addIndex:i];
[insertBaseString appendString:[fieldName backtickQuotedString]];
} else if([bitFields count]) {
// Store column index for each bit field to be able to wrap it into b'…' while importing
if([bitFields containsObject:fieldName = NSArrayObjectAtIndex(fieldMappingTableColumnNames, i) ])
[bitFieldsMapIndex addIndex:i];
[insertBaseString appendString:[fieldName backtickQuotedString]];
} else {
[insertBaseString appendString:[NSArrayObjectAtIndex(fieldMappingTableColumnNames, i) backtickQuotedString]];
}
}
}
[insertBaseString appendString:@") VALUES\n"];
}
// Remove the header row from the data set if appropriate
if ([importFieldNamesSwitch state] == NSOnState) {
[parsedRows removeObjectAtIndex:0];
[parsePositions removeObjectAtIndex:0];
}
}
if (!fieldMappingArray) continue;
// Before entering the following loop, check that we actually have a connection.
// If not, check the connection if appropriate and then clean up and exit if appropriate.
if (![mySQLConnection isConnected] && ([mySQLConnection userTriggeredDisconnect] || ![mySQLConnection checkConnection])) {
[self closeAndStopProgressSheet];
[csvParser release];
[csvDataBuffer release];
[parsedRows release];
[parsePositions release];
[self _resetFieldMappingGlobals];
[importPool drain];
[tableDocumentInstance setQueryMode:SPInterfaceQueryMode];
if([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
return;
}
// If we have more than the csvRowsPerQuery amount, or if we're at the end of the
// available data, construct and run a query.
while ([parsedRows count] >= csvRowsPerQuery
|| (!csvRowArray && allDataRead && [parsedRows count]))
{
if (progressCancelled) break;
csvRowsThisQuery = 0;
if(!importMethodIsUpdate) {
query = [[NSMutableString alloc] initWithString:insertBaseString];
for (i = 0; i < csvRowsPerQuery && i < [parsedRows count]; i++) {
if (i > 0) [query appendString:@",\n"];
[query appendString:[[self mappedValueStringForRowArray:[parsedRows objectAtIndex:i]] description]];
csvRowsThisQuery++;
if ([query length] > 250000) break;
}
// Perform the query
if(csvImportMethodHasTail)
[mySQLConnection queryString:[NSString stringWithFormat:@"%@ %@", query, csvImportTailString]];
else
[mySQLConnection queryString:query];
[query release];
} else {
if(insertRemainingRowsAfterUpdate) {
[insertRemainingBaseString setString:@"INSERT INTO "];
[insertRemainingBaseString appendFormat:@"%@ (", [selectedTableTarget backtickQuotedString]];
insertBaseStringHasEntries = NO;
for (i = 0; i < [fieldMappingArray count]; i++) {
if ([NSArrayObjectAtIndex(fieldMapperOperator, i) integerValue] == 0) {
if (insertBaseStringHasEntries) [insertRemainingBaseString appendString:@","];
else insertBaseStringHasEntries = YES;
[insertRemainingBaseString appendString:[NSArrayObjectAtIndex(fieldMappingTableColumnNames, i) backtickQuotedString]];
}
}
[insertRemainingBaseString appendString:@") VALUES\n"];
}
for (i = 0; i < [parsedRows count]; i++) {
if (progressCancelled) break;
query = [[NSMutableString alloc] initWithString:insertBaseString];
[query appendString:[self mappedUpdateSetStatementStringForRowArray:[parsedRows objectAtIndex:i]]];
// Perform the query
if(csvImportMethodHasTail)
[mySQLConnection queryString:[NSString stringWithFormat:@"%@ %@", query, csvImportTailString]];
else
[mySQLConnection queryString:query];
[query release];
if ([mySQLConnection queryErrored]) {
[tableDocumentInstance showConsole:nil];
[errors appendFormat:
NSLocalizedString(@"[ERROR in row %ld] %@\n", @"error text when reading of csv file gave errors"),
(long)(rowsImported+1),[mySQLConnection getLastErrorMessage]];
}
if ( insertRemainingRowsAfterUpdate && ![mySQLConnection affectedRows]) {
query = [[NSMutableString alloc] initWithString:insertRemainingBaseString];
[query appendString:[self mappedValueStringForRowArray:[parsedRows objectAtIndex:i]]];
// Perform the query
if(csvImportMethodHasTail)
[mySQLConnection queryString:[NSString stringWithFormat:@"%@ %@", query, csvImportTailString]];
else
[mySQLConnection queryString:query];
[query release];
if ([mySQLConnection queryErrored]) {
[errors appendFormat:
NSLocalizedString(@"[ERROR in row %ld] %@\n", @"error text when reading of csv file gave errors"),
(long)(rowsImported+1),[mySQLConnection getLastErrorMessage]];
}
}
rowsImported++;
csvRowsThisQuery++;
[singleProgressBar setDoubleValue:[[parsePositions objectAtIndex:i] doubleValue]];
[singleProgressText setStringValue:[NSString stringWithFormat:NSLocalizedString(@"Imported %@ of %@", @"SQL import progress text"),
[NSString stringForByteSize:[[parsePositions objectAtIndex:i] longValue]], [NSString stringForByteSize:fileTotalLength]]];
}
}
// If an error occurred, run the queries individually to get exact line errors
if (!importMethodIsUpdate && [mySQLConnection queryErrored]) {
[tableDocumentInstance showConsole:nil];
for (i = 0; i < csvRowsThisQuery; i++) {
if (progressCancelled) break;
query = [[NSMutableString alloc] initWithString:insertBaseString];
[query appendString:[self mappedValueStringForRowArray:[parsedRows objectAtIndex:i]]];
// Perform the query
if(csvImportMethodHasTail)
[mySQLConnection queryString:[NSString stringWithFormat:@"%@ %@", query, csvImportTailString]];
else
[mySQLConnection queryString:query];
[query release];
if ([mySQLConnection queryErrored]) {
[errors appendFormat:
NSLocalizedString(@"[ERROR in row %ld] %@\n", @"error text when reading of csv file gave errors"),
(long)(rowsImported+1),[mySQLConnection getLastErrorMessage]];
}
rowsImported++;
[singleProgressBar setDoubleValue:[[parsePositions objectAtIndex:i] doubleValue]];
[singleProgressText setStringValue:[NSString stringWithFormat:NSLocalizedString(@"Imported %@ of %@", @"SQL import progress text"),
[NSString stringForByteSize:[[parsePositions objectAtIndex:i] longValue]], [NSString stringForByteSize:fileTotalLength]]];
}
} else {
rowsImported += csvRowsThisQuery;
[singleProgressBar setDoubleValue:[[parsePositions objectAtIndex:csvRowsThisQuery-1] doubleValue]];
[singleProgressText setStringValue:[NSString stringWithFormat:NSLocalizedString(@"Imported %@ of %@", @"SQL import progress text"),
[NSString stringForByteSize:[[parsePositions objectAtIndex:csvRowsThisQuery-1] longValue]], [NSString stringForByteSize:fileTotalLength]]];
}
// Update the arrays
[parsedRows removeObjectsInRange:NSMakeRange(0, csvRowsThisQuery)];
[parsePositions removeObjectsInRange:NSMakeRange(0, csvRowsThisQuery)];
}
}
// If all the data has been read, break out of the processing loop
if (allDataRead) break;
// Reset the autorelease pool
[importPool drain];
importPool = [[NSAutoreleasePool alloc] init];
}
// Clean up
[csvParser release];
[csvDataBuffer release];
[parsedRows release];
[parsePositions release];
[self _resetFieldMappingGlobals];
[importPool drain];
[tableDocumentInstance setQueryMode:SPInterfaceQueryMode];
if([filename hasPrefix:SPImportClipboardTempFileNamePrefix])
[[NSFileManager defaultManager] removeItemAtPath:filename error:nil];
// Close progress sheet
[self closeAndStopProgressSheet];
// Display any errors
if ([errors length]) {
[self showErrorSheetWithMessage:errors];
}
// Import finished Growl notification
[[SPGrowlController sharedGrowlController] notifyWithTitle:@"Import Finished"
description:[NSString stringWithFormat:NSLocalizedString(@"Finished importing %@",@"description for finished importing growl notification"), [filename lastPathComponent]]
document:tableDocumentInstance
notificationName:@"Import Finished"];
if(importIntoNewTable) {
// Select the new table
// Update current database tables
[tablesListInstance performSelectorOnMainThread:@selector(updateTables:) withObject:self waitUntilDone:YES];
// Re-query the structure of all databases in the background
[NSThread detachNewThreadSelector:@selector(queryDbStructureWithUserInfo:) toTarget:mySQLConnection withObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:YES], @"forceUpdate", nil]];
// Select the new table
[tablesListInstance selectItemWithName:selectedTableTarget];
} else {
// If import was done into a new table or the table selected for import is also selected in the content view,
// update the content view - on the main thread to avoid crashes.
if ([tablesListInstance tableName] && [selectedTableTarget isEqualToString:[tablesListInstance tableName]]) {
[tableDocumentInstance setContentRequiresReload:YES];
}
}
}
/**
* Sets up the field mapping array, and asks the user to provide a field mapping to an
* appropriate table; on success, constructs the field mapping array into the global variable,
* and returns true. On failure, displays error messages itself, and returns false.
* Takes an array of data to show when selecting the field mapping, and an indicator of whether
* that dataset is complete or a preview of the full data set.
*/
- (BOOL) buildFieldMappingArrayWithData:(NSArray *)importData isPreview:(BOOL)dataIsPreviewData ofSoureFile:(NSString*)filename
{
// Ensure data was provided, or alert than an import error occurred and return false.
if (![importData count]) {
[self closeAndStopProgressSheet];
SPBeginAlertSheet(NSLocalizedString(@"Error", @"error"),
NSLocalizedString(@"OK", @"OK button"),
nil, nil,
[tableDocumentInstance parentWindow], self,
nil, nil,
NSLocalizedString(@"Could not parse file as CSV", @"Error when we can't parse/split file as CSV")
);
return FALSE;
}
// Sanity check the first row of the CSV to prevent hang loops caused by wrong line ending entry
if ([[importData objectAtIndex:0] count] > 512) {
[self closeAndStopProgressSheet];
SPBeginAlertSheet(NSLocalizedString(@"Error", @"error"),
NSLocalizedString(@"OK", @"OK button"),
nil, nil,
[tableDocumentInstance parentWindow], self,
nil, nil,
NSLocalizedString(@"The CSV was read as containing more than 512 columns, more than the maximum columns permitted for speed reasons by Sequel Pro.\n\nThis usually happens due to errors reading the CSV; please double-check the CSV to be imported and the line endings and escape characters at the bottom of the CSV selection dialog.", @"Error when CSV appears to have too many columns to import, probably due to line ending mismatch")
);
return FALSE;
}
fieldMappingImportArrayIsPreview = dataIsPreviewData;
// Set the import array
if (fieldMappingImportArray) [fieldMappingImportArray release];
fieldMappingImportArray = [[NSArray alloc] initWithArray:importData];
numberOfImportDataColumns = [[importData objectAtIndex:0] count];
fieldMapperSheetStatus = 1;
fieldMappingArrayHasGlobalVariables = NO;
// Init the field mapper controller
fieldMapperController = [[SPFieldMapperController alloc] initWithDelegate:self];
[fieldMapperController setConnection:mySQLConnection];
[fieldMapperController setSourcePath:filename];
[fieldMapperController setImportDataArray:fieldMappingImportArray hasHeader:[importFieldNamesSwitch state] isPreview:fieldMappingImportArrayIsPreview];
// Show field mapper sheet and set the focus to it
[[NSApp onMainThread] beginSheet:[fieldMapperController window]
modalForWindow:[tableDocumentInstance parentWindow]
modalDelegate:self
didEndSelector:@selector(fieldMapperDidEndSheet:returnCode:contextInfo:)
contextInfo:nil];
[[[fieldMapperController window] onMainThread] makeKeyWindow];
// Wait for field mapper sheet
while (fieldMapperSheetStatus == 1)
usleep(100000);
// Get mapping settings and preset some global variables
fieldMapperOperator = [[NSArray arrayWithArray:[fieldMapperController fieldMapperOperator]] retain];
fieldMappingArray = [[NSArray arrayWithArray:[fieldMapperController fieldMappingArray]] retain];
selectedTableTarget = [[NSString stringWithString:[fieldMapperController selectedTableTarget]] retain];
selectedImportMethod = [NSString stringWithString:[fieldMapperController selectedImportMethod]];
fieldMappingTableColumnNames = [[NSArray arrayWithArray:[fieldMapperController fieldMappingTableColumnNames]] retain];
fieldMappingGlobalValueArray = [[NSArray arrayWithArray:[fieldMapperController fieldMappingGlobalValueArray]] retain];
fieldMappingTableDefaultValues = [[NSArray arrayWithArray:[fieldMapperController fieldMappingTableDefaultValues]] retain];
csvImportHeaderString = [[NSString stringWithString:[fieldMapperController importHeaderString]] retain];
csvImportTailString = [[NSString stringWithString:[fieldMapperController onupdateString]] retain];
importIntoNewTable = [fieldMapperController importIntoNewTable];
fieldMappingArrayHasGlobalVariables = [fieldMapperController globalValuesInUsage];
csvImportMethodHasTail = ([csvImportTailString length] == 0) ? NO : YES;
insertRemainingRowsAfterUpdate = [fieldMapperController insertRemainingRowsAfterUpdate];
importMethodIsUpdate = ([selectedImportMethod isEqualToString:@"UPDATE"]) ? YES : NO;
// Error checking
if( ![fieldMapperOperator count]
|| ![fieldMappingArray count]
|| ![selectedImportMethod length]
|| ![selectedTableTarget length]
|| ![csvImportHeaderString length])
{
if(fieldMapperController) [fieldMapperController release];
NSBeep();
return FALSE;
}
// Store target table definitions
SPTableData *selectedTableData = [[SPTableData alloc] init];
[selectedTableData setConnection:mySQLConnection];
targetTableDetails = [selectedTableData informationForTable:selectedTableTarget];
[selectedTableData release];
// Store all field names which are of typegrouping 'geometry' and 'bit'
for(NSDictionary *field in [targetTableDetails objectForKey:@"columns"]) {
if([[field objectForKey:@"typegrouping"] isEqualToString:@"geometry"])
[geometryFields addObject:[field objectForKey:@"name"]];
if([[field objectForKey:@"typegrouping"] isEqualToString:@"bit"])
[bitFields addObject:[field objectForKey:@"name"]];
}
[importFieldNamesSwitch setState:[fieldMapperController importFieldNamesHeader]];
[prefs setBool:[importFieldNamesSwitch state] forKey:SPCSVImportFirstLineIsHeader];
if(fieldMapperController) [fieldMapperController release];
if(fieldMapperSheetStatus == 2)
return YES;
else
return NO;
}
/**
*
*/
- (void)fieldMapperDidEndSheet:(NSWindow *)sheet returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo
{
[sheet orderOut:self];
fieldMapperSheetStatus = (returnCode) ? 2 : 3;
}
/**
* Construct the SET and WHERE clause for a CSV row, based on the field mapping array
* for the import method "UPDATE".
*/
- (NSString *)mappedUpdateSetStatementStringForRowArray:(NSArray *)csvRowArray
{
NSMutableString *setString = [NSMutableString stringWithString:@""];
NSMutableString *whereString = [NSMutableString stringWithString:@"WHERE "];
NSInteger i;
NSInteger mapColumn;
id cellData;
NSInteger mappingArrayCount = [fieldMappingArray count];
NSString *re = @"(? 1) [setString appendString:@","];
[setString appendString:[NSArrayObjectAtIndex(fieldMappingTableColumnNames, i) backtickQuotedString]];
[setString appendString:@"="];
// Append the data
// - check for global values
if(fieldMappingArrayHasGlobalVariables && mapColumn >= numberOfImportDataColumns) {
NSMutableString *globalVar = [NSMutableString string];
id insertItem = NSArrayObjectAtIndex(fieldMappingGlobalValueArray, mapColumn);
if([insertItem isKindOfClass:[NSNull class]]) {
[globalVar setString:@"NULL"];
} else if([insertItem isSPNotLoaded]) {
[globalVar setString:@"NULL"];
} else {
[globalVar setString:insertItem];
// Global variables are coming wrapped in ' ' if there're not marked as SQL.
// If global variable contains column placeholders $1 etc. replace them.
if([globalVar rangeOfString:@"$"].length && [globalVar isMatchedByRegex:re]) {
while([globalVar isMatchedByRegex:re]) {
[globalVar flushCachedRegexData];
NSRange aRange = [globalVar rangeOfRegex:re capture:0L];
NSInteger colIndex = [[globalVar substringWithRange:[globalVar rangeOfRegex:re capture:1L]] integerValue];
if(colIndex > 0 && colIndex <= [csvRowArray count]) {
id colStr = NSArrayObjectAtIndex(csvRowArray, colIndex-1);
if(colStr == [NSNull null])
[globalVar replaceCharactersInRange:aRange withString:@"NULL"];
else if([colStr isSPNotLoaded])
[globalVar replaceCharactersInRange:aRange withString:@""];
else
[globalVar replaceCharactersInRange:aRange withString:[NSString stringWithFormat:@"'%@'", [(NSString*)colStr stringByReplacingOccurrencesOfString:@"'" withString:@"\\'"]]];
} else {
[globalVar replaceCharactersInRange:aRange withString:@"GLOBAL_SQL_EXPRESSION_ERROR"];
}
}
}
}
[setString appendString:globalVar];
} else {
cellData = NSArrayObjectAtIndex(csvRowArray, mapColumn);
// If import column isn't specified import the table column default value
if ([cellData isSPNotLoaded])
cellData = NSArrayObjectAtIndex(fieldMappingTableDefaultValues, i);
if (cellData == [NSNull null]) {
[setString appendString:@"NULL"];
} else {
[setString appendFormat:@"'%@'", [mySQLConnection prepareString:cellData]];
}
}
}
// WHERE clause
else if ([NSArrayObjectAtIndex(fieldMapperOperator, i) integerValue] == 2 )
{
if ([whereString length] > 7) [whereString appendString:@" AND "];
[whereString appendString:[NSArrayObjectAtIndex(fieldMappingTableColumnNames, i) backtickQuotedString]];
// Append the data
// - check for global values
if(fieldMappingArrayHasGlobalVariables && mapColumn >= numberOfImportDataColumns) {
NSMutableString *globalVar = [NSMutableString string];
id insertItem = NSArrayObjectAtIndex(fieldMappingGlobalValueArray, mapColumn);
if([insertItem isKindOfClass:[NSNull class]]) {
[globalVar setString:@"NULL"];
} else if([insertItem isSPNotLoaded]) {
[globalVar setString:@"NULL"];
} else {
[globalVar setString:insertItem];
// Global variables are coming wrapped in ' ' if there're not marked as SQL.
// If global variable contains column placeholders $1 etc. replace them.
if([globalVar rangeOfString:@"$"].length && [globalVar isMatchedByRegex:re]) {
while([globalVar isMatchedByRegex:re]) {
[globalVar flushCachedRegexData];
NSRange aRange = [globalVar rangeOfRegex:re capture:0L];
NSInteger colIndex = [[globalVar substringWithRange:[globalVar rangeOfRegex:re capture:1L]] integerValue];
if(colIndex > 0 && colIndex <= [csvRowArray count]) {
id colStr = NSArrayObjectAtIndex(csvRowArray, colIndex-1);
if(colStr == [NSNull null])
[globalVar replaceCharactersInRange:aRange withString:@"NULL"];
else if([colStr isSPNotLoaded])
[globalVar replaceCharactersInRange:aRange withString:@""];
else
[globalVar replaceCharactersInRange:aRange withString:[NSString stringWithFormat:@"'%@'", [(NSString*)colStr stringByReplacingOccurrencesOfString:@"'" withString:@"\\'"]]];
} else {
[globalVar replaceCharactersInRange:aRange withString:@"GLOBAL_SQL_EXPRESSION_ERROR"];
}
}
}
}
[whereString appendFormat:@"=%@", globalVar];
} else {
cellData = NSArrayObjectAtIndex(csvRowArray, mapColumn);
// If import column isn't specified import the table column default value
if ([cellData isSPNotLoaded])
cellData = NSArrayObjectAtIndex(fieldMappingTableDefaultValues, i);
if (cellData == [NSNull null]) {
[whereString appendString:@" IS NULL"];
} else {
[whereString appendFormat:@"='%@'", [mySQLConnection prepareString:cellData]];
}
}
}
}
return [NSString stringWithFormat:@"%@ %@", setString, whereString];
}
/**
* Construct the VALUES string for a CSV row, based on the field mapping array - including
* surrounding brackets but not including the VALUES keyword.
*/
- (NSString *)mappedValueStringForRowArray:(NSArray *)csvRowArray
{
NSMutableString *valueString = [NSMutableString stringWithString:@"("];
NSInteger i;
NSInteger mapColumn;
id cellData;
NSInteger mappingArrayCount = [fieldMappingArray count];
NSString *re = @"(? 0) continue;
mapColumn = [NSArrayObjectAtIndex(fieldMappingArray, i) integerValue];
if ([valueString length] > 1) [valueString appendString:@","];
// Append the data
// - check for global values
if(fieldMappingArrayHasGlobalVariables && mapColumn >= numberOfImportDataColumns) {
NSMutableString *globalVar = [NSMutableString string];
id insertItem = NSArrayObjectAtIndex(fieldMappingGlobalValueArray, mapColumn);
if([insertItem isKindOfClass:[NSNull class]]) {
[globalVar setString:@"NULL"];
} else if([insertItem isSPNotLoaded]) {
[globalVar setString:@"NULL"];
} else {
[globalVar setString:insertItem];
// Global variables are coming wrapped in ' ' if there're not marked as SQL.
// If global variable contains column placeholders $1 etc. replace them by escaped 'csv content' or NULL.
if([globalVar rangeOfString:@"$"].length && [globalVar isMatchedByRegex:re]) {
while([globalVar isMatchedByRegex:re]) {
[globalVar flushCachedRegexData];
NSRange aRange = [globalVar rangeOfRegex:re capture:0L];
NSInteger colIndex = [[globalVar substringWithRange:[globalVar rangeOfRegex:re capture:1L]] integerValue];
if(colIndex > 0 && colIndex <= [csvRowArray count]) {
id colStr = NSArrayObjectAtIndex(csvRowArray, colIndex-1);
if(colStr == [NSNull null])
[globalVar replaceCharactersInRange:aRange withString:@"NULL"];
else if([colStr isSPNotLoaded])
[globalVar replaceCharactersInRange:aRange withString:@""];
else
[globalVar replaceCharactersInRange:aRange withString:[NSString stringWithFormat:@"'%@'", [(NSString*)colStr stringByReplacingOccurrencesOfString:@"'" withString:@"\\'"]]];
} else {
[globalVar replaceCharactersInRange:aRange withString:@"GLOBAL_SQL_EXPRESSION_ERROR"];
}
}
}
}
[valueString appendString:globalVar];
} else {
cellData = NSArrayObjectAtIndex(csvRowArray, mapColumn);
// If import column isn't specified import the table column default value
if ([cellData isSPNotLoaded])
cellData = NSArrayObjectAtIndex(fieldMappingTableDefaultValues, i);
if (cellData == [NSNull null]) {
[valueString appendString:@"NULL"];
} else {
// Apply GeomFromText() for each geometry field
if([geometryFields count] && [geometryFieldsMapIndex containsIndex:i]) {
[valueString appendString:[(NSString*)cellData getGeomFromTextString]];
} else if([bitFields count] && [bitFieldsMapIndex containsIndex:i]) {
[valueString appendFormat:@"b'%@'", [mySQLConnection prepareString:cellData]];
} else {
[valueString appendFormat:@"'%@'", [mySQLConnection prepareString:cellData]];
}
}
}
}
[valueString appendString:@")"];
return valueString;
}
#pragma mark -
#pragma mark Import delegate notifications
/**
* Called when the selection within an open/save panel changes.
*/
- (void)panelSelectionDidChange:(id)sender
{
NSArray *selectedFilenames = [sender filenames];
NSString *pathExtension;
// If a single file is selected and the extension is recognised, change the format dropdown automatically
if ( [selectedFilenames count] != 1 ) return;
pathExtension = [[[selectedFilenames objectAtIndex:0] pathExtension] uppercaseString];
// If the file has an extension '.gz' or '.bz2' indicating gzip or bzip2 compression, fetch the next extension
if ([pathExtension isEqualToString:@"GZ"] || [pathExtension isEqualToString:@"BZ2"]) {
NSMutableString *pathString = [NSMutableString stringWithString:[selectedFilenames objectAtIndex:0]];
BOOL isGzip = [pathExtension isEqualToString:@"GZ"];
[pathString deleteCharactersInRange:NSMakeRange([pathString length] - (isGzip ? 3 : 4), (isGzip ? 3 : 4))];
pathExtension = [[pathString pathExtension] uppercaseString];
}
if ([pathExtension isEqualToString:@"SQL"]) {
[importFormatPopup selectItemWithTitle:@"SQL"];
[self changeFormat:self];
} else if ([pathExtension isEqualToString:@"CSV"] || [pathExtension isEqualToString:@"TSV"]) {
[importFormatPopup selectItemWithTitle:@"CSV"];
[self changeFormat:self];
// Set the cell delineator based on extension
if ([pathExtension isEqualToString:@"CSV"]) {
[importFieldsTerminatedField setStringValue:@","];
} else if ([pathExtension isEqualToString:@"TSV"]) {
[importFieldsTerminatedField setStringValue:@"\\t"];
}
// Try to detect the line endings using "file"
NSTask *fileTask = [[NSTask alloc] init];
NSPipe *filePipe = [[NSPipe alloc] init];
[fileTask setLaunchPath:@"/usr/bin/file"];
[fileTask setArguments:[NSArray arrayWithObjects:@"-L", @"-b", [selectedFilenames objectAtIndex:0], nil]];
[fileTask setStandardOutput:filePipe];
NSFileHandle *fileHandle = [filePipe fileHandleForReading];
[fileTask launch];
NSString *fileCheckOutput = [[NSString alloc] initWithData:[fileHandle readDataToEndOfFile] encoding:NSASCIIStringEncoding];
if (fileCheckOutput && [fileCheckOutput length]) {
NSString *lineEndingString = [fileCheckOutput stringByMatching:@"with ([A-Z]{2,4}) line terminators" capture:1L];
if (!lineEndingString && [fileCheckOutput isMatchedByRegex:@"text"]) lineEndingString = @"LF";
if (lineEndingString) {
if ([lineEndingString isEqualToString:@"LF"]) [importLinesTerminatedField setStringValue:@"\\n"];
else if ([lineEndingString isEqualToString:@"CR"]) [importLinesTerminatedField setStringValue:@"\\r"];
else if ([lineEndingString isEqualToString:@"CRLF"]) [importLinesTerminatedField setStringValue:@"\\r\\n"];
}
}
if (fileCheckOutput) [fileCheckOutput release];
[fileTask release];
[filePipe release];
}
}
#pragma mark -
#pragma mark Other
/**
* Sets the connection (received from SPDatabaseDocument) and makes things that have to be done only once.
*/
- (void)setConnection:(MCPConnection *)theConnection
{
NSButtonCell *switchButton = [[NSButtonCell alloc] init];
prefs = [[NSUserDefaults standardUserDefaults] retain];
mySQLConnection = theConnection;
// Set up the interface
[switchButton setButtonType:NSSwitchButton];
[switchButton setControlSize:NSSmallControlSize];
[switchButton release];
if ([prefs boolForKey:SPUseMonospacedFonts]) {
[errorsView setFont:[NSFont fontWithName:SPDefaultMonospacedFontName size:[NSFont smallSystemFontSize]]];
} else {
[errorsView setFont:[NSFont systemFontOfSize:[NSFont smallSystemFontSize]]];
}
}
/**
* Selectable toolbar identifiers.
*/
- (NSArray *)toolbarSelectableItemIdentifiers:(NSToolbar *)toolbar
{
NSArray *array = [toolbar items];
NSMutableArray *items = [NSMutableArray arrayWithCapacity:6];
for (NSToolbarItem *item in array)
{
[items addObject:[item itemIdentifier]];
}
return items;
}
/**
* Displays the import error sheet with the supplied error message.
*/
- (void)showErrorSheetWithMessage:(NSString*)message
{
if (![NSThread isMainThread]) {
[self performSelectorOnMainThread:@selector(showErrorSheetWithMessage:) withObject:message waitUntilDone:YES];
return;
}
[errorsView setString:message];
[NSApp beginSheet:errorsSheet
modalForWindow:[tableDocumentInstance parentWindow]
modalDelegate:self
didEndSelector:@selector(sheetDidEnd:returnCode:contextInfo:)
contextInfo:nil];
[errorsSheet makeKeyWindow];
}
- (void)sheetDidEnd:(NSWindow *)sheet returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo
{
[sheet orderOut:self];
}
#pragma mark -
/**
* Dealloc.
*/
- (void)dealloc
{
if (fieldMappingImportArray) [fieldMappingImportArray release];
if (geometryFields) [geometryFields release];
if (geometryFieldsMapIndex) [geometryFieldsMapIndex release];
if (bitFields) [bitFields release];
if (bitFieldsMapIndex) [bitFieldsMapIndex release];
if (lastFilename) [lastFilename release];
if (prefs) [prefs release];
if(selectedTableTarget) [selectedTableTarget release];
for (id retainedObject in nibObjectsToRelease) [retainedObject release];
[nibObjectsToRelease release];
[super dealloc];
}
@end
@implementation SPDataImport (PrivateAPI)
/**
* Starts the import process on a background thread.
*/
- (void) _importBackgroundProcess:(NSString *)filename
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSString *fileType = [[importFormatPopup selectedItem] title];
// Use the appropriate processing function for the file type
if ([fileType isEqualToString:@"SQL"])
[self importSQLFile:filename];
else if ([fileType isEqualToString:@"CSV"])
[self importCSVFile:filename];
[pool release];
}
/**
* Release and reset any field mapping global variables.
*/
- (void) _resetFieldMappingGlobals
{
if (csvImportTailString) [csvImportTailString release], csvImportTailString = nil;
if (csvImportHeaderString) [csvImportHeaderString release], csvImportHeaderString = nil;
if (fieldMappingArray) [fieldMappingArray release], fieldMappingArray = nil;
if (fieldMappingGlobalValueArray) [fieldMappingGlobalValueArray release], fieldMappingGlobalValueArray = nil;
if (fieldMappingTableColumnNames) [fieldMappingTableColumnNames release], fieldMappingTableColumnNames = nil;
if (fieldMappingTableDefaultValues) [fieldMappingTableDefaultValues release], fieldMappingTableDefaultValues = nil;
if (fieldMapperOperator) [fieldMapperOperator release], fieldMapperOperator = nil;
}
@end