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JFSqliteUtil.m
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JFSqliteUtil.m
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//
// JFSqliteUtil.m
// JFCommon
//
// Created by Jay Fuerstenberg on 2014/12/11.
// Copyright (c) 2014 Jay Fuerstenberg Creative. All rights reserved.
//
#import "JFSqliteUtil.h"
@implementation JFSqliteUtil
+ (void) populateObject: (id <NSObject>) object member: (NSString *) memberName withBoolAtColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement {
NSString *setter = [JFSqliteUtil setterSelectorNameForValueName: memberName];
JFReturnIfEmptyString(setter);
SEL selector = NSSelectorFromString(setter);
JFReturnIfNo([object respondsToSelector: selector]);
UInt8 flag = sqlite3_column_int(statement, (int) columnNo);
NSNumber *number = [NSNumber numberWithBool: (flag == 1)];
JFReturnIfNil(number);
[object performSelector: selector
withObject: number];
}
+ (void) populateObject: (id <NSObject>) object member: (NSString *) memberName withIntegerAtColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement {
NSString *setter = [JFSqliteUtil setterSelectorNameForValueName: memberName];
JFReturnIfEmptyString(setter);
SEL selector = NSSelectorFromString(setter);
JFReturnIfNo([object respondsToSelector: selector]);
SInt64 integer = sqlite3_column_int64(statement, (int) columnNo);
NSNumber *number = [NSNumber numberWithInteger: integer];
JFReturnIfNil(number);
[object performSelector: selector
withObject: number];
}
+ (void) populateObject: (id <NSObject>) object member: (NSString *) memberName withStringAtColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement {
NSString *setter = [JFSqliteUtil setterSelectorNameForValueName: memberName];
JFReturnIfEmptyString(setter);
SEL selector = NSSelectorFromString(setter);
JFReturnIfNo([object respondsToSelector: selector]);
const char *cString = (const char *) sqlite3_column_text(statement, (int) columnNo);
NSString *string = nil;
JFReturnIfNil(cString);
string = [NSString stringWithUTF8String: cString];
JFReturnIfEmptyString(string);
[object performSelector: selector
withObject: string];
}
+ (void) populateObject: (id <NSObject>) object member: (NSString *) memberName withDateAtColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement {
NSString *setter = [JFSqliteUtil setterSelectorNameForValueName: memberName];
JFReturnIfEmptyString(setter);
SEL selector = NSSelectorFromString(setter);
JFReturnIfNo([object respondsToSelector: selector]);
double timestamp = sqlite3_column_double(statement, (int) columnNo);
NSDate *date = [NSDate dateWithTimeIntervalSince1970: timestamp];
[object performSelector: selector
withObject: date];
}
+ (void) populateObject: (id <NSObject>) object member: (NSString *) memberName withSetAtColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement usingSeparator: (NSString *) separator {
NSString *setter = [JFSqliteUtil setterSelectorNameForValueName: memberName];
JFReturnIfEmptyString(setter);
SEL selector = NSSelectorFromString(setter);
JFReturnIfNo([object respondsToSelector: selector]);
const char *cString = (const char *) sqlite3_column_text(statement, (int) columnNo);
NSString *string = nil;
JFReturnIfNil(cString);
string = [NSString stringWithUTF8String: cString];
JFReturnIfEmptyString(string);
NSArray *array = [string componentsSeparatedByString: separator];
NSSet *set = [NSSet setWithArray: array];
[object performSelector: selector
withObject: set];
}
#pragma mark -
+ (void) setSetColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement toValueOfMember: (NSString *) memberName inObject: (id <NSObject>) object usingSeparator: (NSString *) separator {
NSString *getter = [JFSqliteUtil getterSelectorNameForValueName: memberName];
JFReturnIfEmptyString(getter);
SEL selector = NSSelectorFromString(getter);
JFReturnIfNo([object respondsToSelector: selector]);
NSSet *value = [object performSelector: selector];
NSArray *allValues = [value allObjects];
NSString *allValuesAsString = [allValues componentsJoinedByString: separator];
// Prepend and append additional separators to the field in order to make searching by a specific values possible/easier.
NSString *dbValue = allValuesAsString == nil ? @""
: [NSString stringWithFormat: @"%@%@%@", separator, allValuesAsString, separator];
[JFSqliteUtil setStringColumn: columnNo
ofStatement: statement
toValue: dbValue];
}
+ (void) setStringColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement toValueOfMember: (NSString *) memberName inObject: (id <NSObject>) object {
NSString *getter = [JFSqliteUtil getterSelectorNameForValueName: memberName];
JFReturnIfEmptyString(getter);
SEL selector = NSSelectorFromString(getter);
JFReturnIfNo([object respondsToSelector: selector]);
NSString *value = [object performSelector: selector];
if ([value length] == 0) {
value = @"";
}
const char *cValue = [value UTF8String];
NSUInteger cLength = [value lengthOfBytesUsingEncoding: NSUTF8StringEncoding];
sqlite3_bind_text(statement, (int) columnNo, cValue, (int) cLength, SQLITE_STATIC);
//sqlite3_bind_text(statement, (int) columnNo, cValue, -1, SQLITE_TRANSIENT);
}
+ (void) setDateColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement toValueOfMember: (NSString *) memberName inObject: (id <NSObject>) object {
NSString *getter = [JFSqliteUtil getterSelectorNameForValueName: memberName];
JFReturnIfEmptyString(getter);
SEL selector = NSSelectorFromString(getter);
JFReturnIfNo([object respondsToSelector: selector]);
NSDate *value = [object performSelector: selector];
double dateValue = [value timeIntervalSince1970];
sqlite3_bind_double(statement, (int) columnNo, dateValue);
}
+ (void) setBoolColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement toValueOfMember: (NSString *) memberName inObject: (id <NSObject>) object {
NSString *getter = [JFSqliteUtil getterSelectorNameForValueName: memberName];
JFReturnIfEmptyString(getter);
SEL selector = NSSelectorFromString(getter);
JFReturnIfNo([object respondsToSelector: selector]);
NSNumber *value = [object performSelector: selector];
UInt8 intValue = [value boolValue] ? 1 : 0;
sqlite3_bind_int(statement, (int) columnNo, intValue);
}
+ (void) setIntegerColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement toValueOfMember: (NSString *) memberName inObject: (id <NSObject>) object {
NSString *getter = [JFSqliteUtil getterSelectorNameForValueName: memberName];
JFReturnIfEmptyString(getter);
SEL selector = NSSelectorFromString(getter);
JFReturnIfNo([object respondsToSelector: selector]);
NSNumber *value = [object performSelector: selector];
SInt64 intValue = [value integerValue];
sqlite3_bind_int64(statement, (int) columnNo, intValue);
}
#pragma mark -
+ (void) setBoolColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement toValue: (BOOL) value {
UInt8 intValue = value ? 1 : 0;
sqlite3_bind_int(statement, (int) columnNo, intValue);
}
+ (void) setIntegerColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement toValue: (NSInteger) value {
sqlite3_bind_int64(statement, (int) columnNo, (int) value);
}
+ (void) setStringColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement toValue: (NSString *) value {
const char *cValue = [value UTF8String];
sqlite3_bind_text(statement, (int) columnNo, cValue, -1, SQLITE_TRANSIENT);
}
+ (void) setDateColumn: (NSInteger) columnNo ofStatement: (sqlite3_stmt *) statement toValue: (NSDate *) value {
double dateValue = [value timeIntervalSince1970];
sqlite3_bind_double(statement, (int) columnNo, dateValue);
}
#pragma mark -
+ (NSString *) getterSelectorNameForValueName: (NSString *) valueName {
JFReturnNilIfEmptyString(valueName);
return valueName;
}
+ (NSString *) setterSelectorNameForValueName: (NSString *) valueName {
JFReturnNilIfEmptyString(valueName);
NSString *capitalizedValueName = [valueName stringByReplacingCharactersInRange: NSMakeRange(0,1)
withString:[[valueName substringToIndex: 1] capitalizedString]];
NSString *getter = [@"set" stringByAppendingString: capitalizedValueName];
return [getter stringByAppendingString: @":"];
}
@end