// // $Id$ // // 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 "SPDatabaseViewController.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 "SPMySQL.h" #import #define SP_FILE_READ_ERROR_STRING NSLocalizedString(@"File read error", @"File read error title (Import Dialog)") @interface SPDataImport () - (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]; nullableNumericFields = [[NSMutableArray alloc] init]; nullableNumericFieldsMapIndex = [[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 = 1.0e7f; [[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 { // Ensure text inputs are completed, preventing dead character entry [sheet makeFirstResponder:nil]; // 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 URL] path]] 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 = (NSUInteger)[[[[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 ([SPMySQLConnection mySQLCharsetForStringEncoding:sqlEncoding]) { connectionEncodingToRestore = [mySQLConnection encoding]; [mySQLConnection queryString:[NSString stringWithFormat:@"SET NAMES '%@'", [SPMySQLConnection mySQLCharsetForStringEncoding: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 withResultType:SPMySQLResultAsResult]; // Check for any errors if ([mySQLConnection queryErrored] && ![[mySQLConnection lastErrorMessage] isEqualToString:@"Query was empty"]) { [errors appendFormat:NSLocalizedString(@"[ERROR in query %ld] %@\n", @"error text when multiple custom query failed"), (long)(queriesPerformed+1), [mySQLConnection lastErrorMessage]]; // 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 lastErrorMessage] ]; [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 withResultType:SPMySQLResultAsResult]; // Check for any errors if ([mySQLConnection queryErrored] && ![[mySQLConnection lastErrorMessage] isEqualToString:@"Query was empty"]) { [errors appendFormat:NSLocalizedString(@"[ERROR in query %ld] %@\n", @"error text when multiple custom query failed"), (long)(queriesPerformed+1), [mySQLConnection lastErrorMessage]]; } // 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:[tableDocumentInstance databaseStructureRetrieval] 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; NSUInteger csvRowsPerQuery = 50; NSUInteger csvRowsThisQuery; NSUInteger fileTotalLength = 0; BOOL fileIsCompressed; NSInteger rowsImported = 0; NSInteger dataBufferLength = 0; NSInteger dataBufferPosition = 0; NSInteger dataBufferLastQueryEndPosition = 0; NSUInteger i; BOOL allDataRead = NO; BOOL insertBaseStringHasEntries; NSStringEncoding csvEncoding = [mySQLConnection stringEncoding]; fieldMappingArray = nil; fieldMappingGlobalValueArray = nil; [geometryFields removeAllObjects]; [geometryFieldsMapIndex removeAllIndexes]; [bitFields removeAllObjects]; [bitFieldsMapIndex removeAllIndexes]; [nullableNumericFields removeAllObjects]; [nullableNumericFieldsMapIndex 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 and status fileTotalLength = (NSUInteger)[[[[NSFileManager defaultManager] attributesOfItemAtPath:filename error:NULL] objectForKey:NSFileSize] longLongValue]; if (!fileTotalLength) fileTotalLength = 1; fileIsCompressed = [csvFileHandle isCompressed]; // If importing a bzipped file, use indeterminate progress bars as no progress is available BOOL useIndeterminate = NO; if ([csvFileHandle compressionFormat] == SPBzip2Compression) useIndeterminate = YES; // 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]; if ([[importFieldsEscapedField stringValue] isEqualToString:@"\\ or \""]) { [csvParser setEscapeString:@"\\" convertDisplayStrings:NO]; } else { [csvParser setEscapeString:[importFieldsEscapedField stringValue] convertDisplayStrings:YES]; [csvParser setEscapeStringsAreMatchedStrictly: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:useIndeterminate]; [[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 index sets for use during row enumeration for (i = 0; i < [fieldMappingArray count]; i++) { if ([NSArrayObjectAtIndex(fieldMapperOperator, i) integerValue] == 0) { NSString *fieldName = NSArrayObjectAtIndex(fieldMappingTableColumnNames, i); if ([nullableNumericFields containsObject:fieldName]) { [nullableNumericFieldsMapIndex addIndex:i]; } } } // 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 lastErrorMessage]]; } if ( insertRemainingRowsAfterUpdate && ![mySQLConnection rowsAffectedByLastQuery]) { 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 lastErrorMessage]]; } } rowsImported++; csvRowsThisQuery++; if (fileIsCompressed) { [singleProgressBar setDoubleValue:[csvFileHandle realDataReadLength]]; [singleProgressText setStringValue:[NSString stringWithFormat:NSLocalizedString(@"Imported %@ of CSV data", @"CSV import progress text where total size is unknown"), [NSString stringForByteSize:[[parsePositions objectAtIndex:i] longValue]]]]; } else { [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 lastErrorMessage]]; } rowsImported++; if (fileIsCompressed) { [singleProgressBar setDoubleValue:[csvFileHandle realDataReadLength]]; [singleProgressText setStringValue:[NSString stringWithFormat:NSLocalizedString(@"Imported %@ of CSV data", @"CSV import progress text where total size is unknown"), [NSString stringForByteSize:[[parsePositions objectAtIndex:i] longValue]]]]; } else { [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; if (fileIsCompressed) { [singleProgressBar setDoubleValue:[csvFileHandle realDataReadLength]]; [singleProgressText setStringValue:[NSString stringWithFormat:NSLocalizedString(@"Imported %@ of CSV data", @"CSV import progress text where total size is unknown"), [NSString stringForByteSize:[[parsePositions objectAtIndex:csvRowsThisQuery-1] longValue]]]]; } else { [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:[tableDocumentInstance databaseStructureRetrieval] 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 = SPFieldMapperInProgress; 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 == SPFieldMapperInProgress) usleep(100000); // If the mapping was cancelled, abort the import if (fieldMapperSheetStatus == SPFieldMapperCancelled) { if (fieldMapperController) [fieldMapperController release]; return FALSE; } // 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', and check if // numeric columns can hold NULL values to map empty strings to. 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"]]; if(([[field objectForKey:@"typegrouping"] isEqualToString:@"float"] || [[field objectForKey:@"typegrouping"] isEqualToString:@"integer"]) && [[field objectForKey:@"null"] boolValue]) [nullableNumericFields addObject:[field objectForKey:@"name"]]; } [importFieldNamesSwitch setState:[fieldMapperController importFieldNamesHeader]]; [prefs setBool:[importFieldNamesSwitch state] forKey:SPCSVImportFirstLineIsHeader]; if(fieldMapperController) [fieldMapperController release]; if(fieldMapperSheetStatus == SPFieldMapperCompleted) return YES; else return NO; } /** * */ - (void)fieldMapperDidEndSheet:(NSWindow *)sheet returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo { [sheet orderOut:self]; fieldMapperSheetStatus = (returnCode) ? SPFieldMapperCompleted : SPFieldMapperCancelled; } /** * 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 isNSNull]) { [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 <= (NSInteger)[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 appendString:[mySQLConnection escapeAndQuoteString: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 isNSNull]) { [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 <= (NSInteger)[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 appendString:@"="]; [whereString appendString:[mySQLConnection escapeAndQuoteString: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 isNSNull]) { [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 <= (NSInteger)[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); // Insert a NULL if the cell is an NSNull, or is a nullable numeric field and empty if (cellData == [NSNull null] || ([nullableNumericFieldsMapIndex containsIndex:i] && [[cellData description] isEqualToString:@""])) { [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 appendString:@"b"]; [valueString appendString:[mySQLConnection escapeAndQuoteString:cellData]]; } else { [valueString appendString:[mySQLConnection escapeAndQuoteString: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:(SPMySQLConnection *)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 - #pragma mark Private API /** * 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; } #pragma mark - /** * Dealloc. */ - (void)dealloc { if (fieldMappingImportArray) [fieldMappingImportArray release]; if (geometryFields) [geometryFields release]; if (geometryFieldsMapIndex) [geometryFieldsMapIndex release]; if (bitFields) [bitFields release]; if (nullableNumericFields) [nullableNumericFields release]; if (bitFieldsMapIndex) [bitFieldsMapIndex release]; if (nullableNumericFieldsMapIndex) [nullableNumericFieldsMapIndex 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