Tidy up SPTableStructure including moving all the private field type validation methods to their own class, SPTableFieldValidation.

1 files changed, 142 insertions, 0 deletions

diff --git a/Source/SPTableFieldValidation.m b/Source/SPTableFieldValidation.m
new file mode 100644
index 00000000..ceee9b3b
--- /dev/null
+++ b/Source/SPTableFieldValidation.m
@@ -0,0 +1,142 @@
+//
+//  $Id$
+//
+//  SPTableFieldValidation.m
+//  sequel-pro
+//
+//  Created by Stuart Connolly (stuconnolly.com) on October 28, 2010
+//  Copyright (c) 2010 Stuart Connolly. 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 <http://code.google.com/p/sequel-pro/>
+
+#import "SPTableFieldValidation.h"
+
+@interface SPTableFieldValidation (PrivateAPI)
+
+- (NSString *)_formatType:(NSString *)type;
+
+@end
+
+@implementation SPTableFieldValidation
+
+@synthesize fieldTypes;
+
+#pragma mark -
+#pragma mark Public API
+
+/**
+ * Returns whether or not the supplied field type is numeric according to it's position within the currnet
+ * field types array.
+ *
+ * @param fieldType The field type to test
+ */
+- (BOOL)isFieldTypeNumeric:(NSString *)fieldType
+{
+	NSString *type = [self _formatType:fieldType];
+	
+	if (![fieldTypes containsObject:type]) return YES;
+	
+	return ([fieldTypes indexOfObject:type] < 17);
+}
+
+/**
+ * Returns whether or not the supplied field type is a date according to it's position within the currnet
+ * field types array.
+ *
+ * @param fieldType The field type to test
+ */
+- (BOOL)isFieldTypeDate:(NSString *)fieldType
+{
+	NSString *type = [self _formatType:fieldType];
+	
+	if (![fieldTypes containsObject:type]) return YES;
+	
+	return (([fieldTypes indexOfObject:type] > 32) && ([fieldTypes indexOfObject:type] < 38));
+}
+
+/**
+ * Returns whether or not the supplied field type is geometry according to it's position within the currnet
+ * field types array.
+ *
+ * @param fieldType The field type to test
+ */
+- (BOOL)isFieldTypeGeometry:(NSString *)fieldType
+{
+	NSString *type = [self _formatType:fieldType];
+	
+	if (![fieldTypes containsObject:type]) return YES;
+	
+	return ([fieldTypes indexOfObject:type] > 38);
+}
+
+/**
+ * Returns whether or not the supplied field type is a string according to it's position within the currnet
+ * field types array.
+ *
+ * @param fieldType The field type to test
+ */
+- (BOOL)isFieldTypeString:(NSString *)fieldType
+{
+	NSString *type = [self _formatType:fieldType];
+	
+	if (![fieldTypes containsObject:type]) return YES;
+	
+	return (([fieldTypes indexOfObject:type] > 17) && ([fieldTypes indexOfObject:type] < 32));
+}
+
+/**
+ * Returns whether or not the supplied field type allows binary according to it's position within the currnet
+ * field types array.
+ *
+ * @param fieldType The field type to test
+ */
+- (BOOL)isFieldTypeAllowBinary:(NSString *)fieldType
+{
+	NSString *type = [self _formatType:fieldType];
+	
+	if (![fieldTypes containsObject:type]) return YES;
+	
+	return (([fieldTypes indexOfObject:type] > 17) && ([fieldTypes indexOfObject:type] < 24));
+}
+
+#pragma mark -
+#pragma mark Private API
+
+/**
+ * Formats, i.e. removes whitespace and newlines as well as uppercases the supplied field type string.
+ *
+ * @param type The field type string to format
+ */
+- (NSString *)_formatType:(NSString *)type
+{
+	return [[type stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
+}
+
+#pragma mark -
+#pragma mark Other
+
+/**
+ * Dealloc.
+ */
+- (void)dealloc
+{
+	[fieldTypes release], fieldTypes = nil;
+	
+	[super dealloc];
+}
+
+@end