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-rw-r--r--CMMCPConnection.m124
1 files changed, 55 insertions, 69 deletions
diff --git a/CMMCPConnection.m b/CMMCPConnection.m
index a8ae8dac..8d4e2673 100644
--- a/CMMCPConnection.m
+++ b/CMMCPConnection.m
@@ -28,22 +28,23 @@
@implementation CMMCPConnection
/*
+Gets a proper NSStringEncoding according to the given MySQL charset.
+
+MySQL 4.0 offers this charsets:
+big5 cp1251 cp1257 croat czech danish dec8 dos estonia euc_kr gb2312 gbk german1 greek hebrew hp8 hungarian koi8_ru koi8_ukr latin1 latin1_de latin2 latin5 sjis swe7 tis620 ujis usa7 win1250 win1251ukr
+
+WARNING : incomplete implementation. Please, send your fixes.
+
+ (NSStringEncoding) encodingForMySQLEncoding:(const char *) mysqlEncoding
- Gets a proper NSStringEncoding according to the given MySQL charset.
-
- MySQL 4.0 offers this charsets:
- big5 cp1251 cp1257 croat czech danish dec8 dos estonia euc_kr gb2312 gbk german1 greek hebrew hp8 hungarian koi8_ru koi8_ukr latin1 latin1_de latin2 latin5 sjis swe7 tis620 ujis usa7 win1250 win1251ukr
-
- WARNING : incomplete implementation. Please, send your fixes.
{
-// unicode
+ // unicode
if (!strncmp(mysqlEncoding, "utf8", 4)) {
return NSUTF8StringEncoding;
}
if (!strncmp(mysqlEncoding, "ucs2", 4)) {
return NSUnicodeStringEncoding;
}
-// west european
+ // west european
if (!strncmp(mysqlEncoding, "ascii", 5)) {
return NSASCIIStringEncoding;
}
@@ -53,14 +54,14 @@
if (!strncmp(mysqlEncoding, "macroman", 8)) {
return NSMacOSRomanStringEncoding;
}
-// central european
+ // central european
if (!strncmp(mysqlEncoding, "cp1250", 6)) {
return NSWindowsCP1250StringEncoding;
}
if (!strncmp(mysqlEncoding, "latin2", 6)) {
return NSISOLatin2StringEncoding;
}
-// south european and middle east
+ // south european and middle east
if (!strncmp(mysqlEncoding, "cp1256", 6)) {
return CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingWindowsArabic);
}
@@ -73,15 +74,15 @@
if (!strncmp(mysqlEncoding, "latin5", 6)) {
return CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingISOLatin5);
}
-// baltic
+ // baltic
if (!strncmp(mysqlEncoding, "cp1257", 6)) {
return CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingWindowsBalticRim);
}
-// cyrillic
+ // cyrillic
if (!strncmp(mysqlEncoding, "cp1251", 6)) {
return NSWindowsCP1251StringEncoding;
}
-// asian
+ // asian
if (!strncmp(mysqlEncoding, "big5", 4)) {
return CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingBig5);
}
@@ -92,120 +93,109 @@
return NSShiftJISStringEncoding;
}
-// default to iso latin 1, even if it is not exact (throw an exception?)
+ // default to iso latin 1, even if it is not exact (throw an exception?)
NSLog(@"warning: unknown encoding %s! falling back to latin1.", mysqlEncoding);
return NSISOLatin1StringEncoding;
}
*/
-- (CMMCPResult *) queryString:(NSString *) query
+
/*
-modified version of queryString to be used in sequel-pro
-*/
+ modified version of queryString to be used in sequel-pro
+ */
+- (CMMCPResult *)queryString:(NSString *) query
{
- CMMCPResult *theResult;
+ CMMCPResult *theResult;
const char *theCQuery = [self cStringFromString:query];
- int theQueryCode;
+ int theQueryCode;
-//[DIFF]: check connection
- if ( ![self checkConnection] ) {
+ // check connection
+ if (![self checkConnection]) {
NSLog(@"Connection was gone, but should be reestablished now!");
}
-//end [DIFF]
-//[DIFF]: inform the delegate about the query
- if ( delegate && [delegate respondsToSelector:@selector(willQueryString:)] )
+ // inform the delegate about the query
+ if (delegate && [delegate respondsToSelector:@selector(willQueryString:)]) {
[delegate willQueryString:query];
-//end [DIFF]
+ }
if (0 == (theQueryCode = mysql_query(mConnection, theCQuery))) {
if (mysql_field_count(mConnection) != 0) {
-//[DIFF]: use CMMCPResult instad of MCPResult
+ // use CMMCPResult instad of MCPResult
theResult = [[CMMCPResult alloc] initWithMySQLPtr:mConnection encoding:mEncoding timeZone:mTimeZone];
-//end [DIFF]
- }
- else {
+ } else {
return nil;
}
- }
- else {
-// NSLog (@"Problem in queryString error code is : %d, query is : %s -in ObjC : %@-\n", theQueryCode, theCQuery, query);
-// NSLog(@"Error message is : %@\n", [self getLastErrorMessage]);
+ } else {
+// NSLog (@"Problem in queryString error code is : %d, query is : %s -in ObjC : %@-\n", theQueryCode, theCQuery, query);
+// NSLog(@"Error message is : %@\n", [self getLastErrorMessage]);
// theResult = [theResult init]; // Old version...
-// theResult = nil;
-//[DIFF]: inform the delegate about errors
- if ( delegate && [delegate respondsToSelector:@selector(queryGaveError:)] )
+// theResult = nil;
+
+ // inform the delegate about errors
+ if (delegate && [delegate respondsToSelector:@selector(queryGaveError:)]) {
[delegate queryGaveError:[self getLastErrorMessage]];
-//end [DIFF]
+ }
+
return nil;
}
return [theResult autorelease];
}
- (void)setDelegate:(id)object
-/*
-sets the delegate
-*/
{
delegate = object;
}
-
-
-
-
-- (NSTimeZone *) timeZone
-/*" Getting the currently used time zone (in communication with the DB server). "*/
+/* Getting the currently used time zone (in communication with the DB server). */
/* fixes mysql 4.1.14 problem, can be deleted as soon as fixed in the framework */
+- (NSTimeZone *)timeZone
{
if ([self checkConnection]) {
- MCPResult *theSessionTZ = [self queryString:@"SHOW VARIABLES LIKE '%time_zone'"];
- NSArray *theRow;
-// diff
+ MCPResult *theSessionTZ = [self queryString:@"SHOW VARIABLES LIKE '%time_zone'"];
+ NSArray *theRow;
id theTZName;
-// end diff
- NSTimeZone *theTZ;
+ NSTimeZone *theTZ;
[theSessionTZ dataSeek:1ULL];
theRow = [theSessionTZ fetchRowAsArray];
theTZName = [theRow objectAtIndex:1];
-// diff
+
if ( [theTZName isKindOfClass:[NSData class]] ) {
- // MySQL 4.1.14 returns the mysql variables as nsdata
+ // MySQL 4.1.14 returns the mysql variables as NSData
theTZName = [self stringWithText:theTZName];
}
-// end diff
+
if ([theTZName isEqualToString:@"SYSTEM"]) {
[theSessionTZ dataSeek:0ULL];
theRow = [theSessionTZ fetchRowAsArray];
theTZName = [theRow objectAtIndex:1];
-// diff
+
if ( [theTZName isKindOfClass:[NSData class]] ) {
- // MySQL 4.1.14 returns the mysql variables as nsdata
+ // MySQL 4.1.14 returns the mysql variables as NSData
theTZName = [self stringWithText:theTZName];
}
-// end diff
}
+
if (theTZName) { // Old versions of the server does not support there own time zone ?
theTZ = [NSTimeZone timeZoneWithName:theTZName];
- }
- else { // By default set the time zone to the local one..
+ } else {
+ // By default set the time zone to the local one..
// Try to get the name using the previously available variable:
-// NSLog(@"Fecthing time-zone on 'old' DB server : variable name is : timezone");
theSessionTZ = [self queryString:@"SHOW VARIABLES LIKE 'timezone'"];
[theSessionTZ dataSeek:0ULL];
theRow = [theSessionTZ fetchRowAsArray];
theTZName = [theRow objectAtIndex:1];
- if (theTZName) { // Finally we found one ...
-// NSLog(@"Result is : %@", theTZName);
+ if (theTZName) {
+ // Finally we found one ...
theTZ = [NSTimeZone timeZoneWithName:theTZName];
- }
- else {
+ } else {
theTZ = [NSTimeZone defaultTimeZone];
-// theTZ = [NSTimeZone systemTimeZone];
+ //theTZ = [NSTimeZone systemTimeZone];
NSLog(@"The time zone is not defined on the server, set it to the default one : %@", theTZ);
}
}
+
if (theTZ != mTimeZone) {
[mTimeZone release];
mTimeZone = [theTZ retain];
@@ -214,8 +204,4 @@ sets the delegate
return mTimeZone;
}
-
-
-
-
@end
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 01:23:41 +0000