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authorBibiko <bibiko@eva.mpg.de>2010-09-14 11:01:25 +0000
committerBibiko <bibiko@eva.mpg.de>2010-09-14 11:01:25 +0000
commitf1b326a1f2593115fb9542b4488c3c3691220aab (patch)
treeba9ad53261477cabeb58877f7c9aee8acd865efa /Frameworks/MCPKit/MCPFoundationKit/MCPStreamingResult.m
parentbb49744fddd9d590b298c1d14fb62f5805edca13 (diff)
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• (re?)enabled BIT field editing esp. for field types like BIT(9) or BIT(63) since the old _int2bin routine didn't work because we're dealing with a char* containing bytes if BIT(>8)
- also for views and CustomQuery editing • started to clean up (VAR)BINARY editing (work in progress)
Diffstat (limited to 'Frameworks/MCPKit/MCPFoundationKit/MCPStreamingResult.m')
-rw-r--r--Frameworks/MCPKit/MCPFoundationKit/MCPStreamingResult.m69
1 files changed, 34 insertions, 35 deletions
diff --git a/Frameworks/MCPKit/MCPFoundationKit/MCPStreamingResult.m b/Frameworks/MCPKit/MCPFoundationKit/MCPStreamingResult.m
index be09ed44..35ef0e7e 100644
--- a/Frameworks/MCPKit/MCPFoundationKit/MCPStreamingResult.m
+++ b/Frameworks/MCPKit/MCPFoundationKit/MCPStreamingResult.m
@@ -46,7 +46,7 @@
@interface MCPStreamingResult (PrivateAPI)
-const char *_int2bin(unsigned int n, unsigned long len, char *buf);
+const char *_bytes2bin(Byte *n, NSUInteger nbytes, NSUInteger len, char *buf);
- (void) _downloadAllData;
- (void) _freeAllDataWhenDone;
@@ -89,9 +89,7 @@ const char *_int2bin(unsigned int n, unsigned long len, char *buf);
[mNames release];
mNames = nil;
}
-
-
-
+
mResult = mysql_use_result(mySQLPtr);
if (mResult) {
@@ -104,7 +102,7 @@ const char *_int2bin(unsigned int n, unsigned long len, char *buf);
// Obtain SEL references and pointer
isConnectedSEL = @selector(isConnected);
isConnectedPtr = [parentConnection methodForSelector:isConnectedSEL];
-
+
// If the result is opened in download-data-fast safe mode, set up the additional variables
// and threads required.
if (!fullyStreaming) {
@@ -138,13 +136,13 @@ const char *_int2bin(unsigned int n, unsigned long len, char *buf);
- (void) dealloc
{
[self cancelResultLoad]; //this should close the connection if it is still open
-
+
if (!connectionUnlocked) {
//this should NEVER happen
NSLog(@"MCPStreamingResult: The connection has not been unlocked.");
[parentConnection unlockConnection];
}
-
+
if (!fullyStreaming) {
pthread_mutex_destroy(&dataFreeLock);
pthread_mutex_destroy(&dataCreationLock);
@@ -246,14 +244,15 @@ const char *_int2bin(unsigned int n, unsigned long len, char *buf);
copiedDataLength += fieldLengths[i] + 1;
}
}
-
+
// If the field is of type BIT, then allocate the binary buffer
if (fieldDefinitions[i].type == FIELD_TYPE_BIT) {
buf = malloc(fieldDefinitions[i].length + 1);
}
-
+
// If the data hasn't already been detected as NULL - in which case it will have been
// set to NSNull - process the data by type
+
if (cellData == nil) {
switch (fieldDefinitions[i].type) {
case FIELD_TYPE_TINY:
@@ -275,28 +274,28 @@ const char *_int2bin(unsigned int n, unsigned long len, char *buf);
case FIELD_TYPE_SET:
case FIELD_TYPE_ENUM:
case FIELD_TYPE_NEWDATE: // Don't know what the format for this type is...
-
- // For fields of type BINARY/VARBINARY, return the data. Also add an extra check to make
- // sure it's binary data (seems that it's returned as type STRING) to get around a MySQL
+
+ // For fields of type BINARY/VARBINARY, return the data. Also add an extra check to make
+ // sure it's binary data (seems that it's returned as type STRING) to get around a MySQL
// bug (#28214) returning DATE fields with the binary flag set.
- if ((fieldDefinitions[i].flags & BINARY_FLAG) &&
- (fieldDefinitions[i].type == FIELD_TYPE_STRING))
- {
+ if ((fieldDefinitions[i].flags & BINARY_FLAG) &&
+ (fieldDefinitions[i].type == FIELD_TYPE_STRING || fieldDefinitions[i].type == FIELD_TYPE_VAR_STRING))
+ {
cellData = [NSData dataWithBytes:theData length:fieldLengths[i]];
}
// For string data, convert to text
else {
cellData = [NSString stringWithCString:theData encoding:mEncoding];
}
-
+
break;
case FIELD_TYPE_BIT:
// Get a binary representation of the data
- _int2bin(theData[1], fieldDefinitions[i].length, buf);
-
+ _bytes2bin(theData, fieldLengths[i], fieldDefinitions[i].length, buf);
+
cellData = (theData != NULL) ? [NSString stringWithUTF8String:buf] : @"";
-
+
free(buf);
break;
@@ -304,16 +303,16 @@ const char *_int2bin(unsigned int n, unsigned long len, char *buf);
case FIELD_TYPE_BLOB:
case FIELD_TYPE_MEDIUM_BLOB:
case FIELD_TYPE_LONG_BLOB:
-
+
// For binary data, return the data if force-return-as-string is not enabled
if ((fieldDefinitions[i].flags & BINARY_FLAG) && !mReturnDataAsStrings) {
cellData = [NSData dataWithBytes:theData length:fieldLengths[i]];
}
else {
cellData = [[NSString alloc] initWithBytes:theData length:fieldLengths[i] encoding:mEncoding];
-
+
if (cellData) [cellData autorelease];
- }
+ }
break;
@@ -386,7 +385,7 @@ const char *_int2bin(unsigned int n, unsigned long len, char *buf);
} else {
while (1) {
-
+
// Check to see whether we need to wait for the data to be available
// - if so, wait 1ms before checking again
while (!dataDownloaded && processedRowCount == downloadedRowCount) usleep(1000);
@@ -428,18 +427,18 @@ const char *_int2bin(unsigned int n, unsigned long len, char *buf);
@implementation MCPStreamingResult (PrivateAPI)
/**
- * Provides a binary representation of the supplied integer (n) in the supplied buffer (buf). The resulting
+ * Provides a binary representation of the supplied chars (n) in the supplied buffer (buf). The resulting
* binary representation will be zero-padded according to the supplied field length (len).
*/
-const char *_int2bin(unsigned int n, unsigned long len, char *buf)
-{
- for (int i = (len - 1); i >= 0; --i)
- {
- buf[i] = (n & 1) ? '1' : '0';
- n >>= 1;
- }
-
- buf[len] = '\0';
+const char *_bytes2bin(Byte *n, NSUInteger nbytes, NSUInteger len, char *buf)
+{
+
+ int i = 0;
+ nbytes--;
+ while (i < len)
+ buf[len - ++i] = ( (n[nbytes - (i >> 3)] >> (i & 0x7)) & 1 ) ? '1' : '0';
+
+ buf[len] = '\0';
}
/**
@@ -485,7 +484,7 @@ const char *_int2bin(unsigned int n, unsigned long len, char *buf)
// Set up and copy in the field lengths
newRowStore->dataLengths = memcpy(malloc(sizeOfDataLengths), fieldLengths, sizeOfDataLengths);
-
+
// Lock both mutexes
pthread_mutex_lock(&dataCreationLock);
pthread_mutex_lock(&dataFreeLock);
@@ -501,7 +500,7 @@ const char *_int2bin(unsigned int n, unsigned long len, char *buf)
// Update the downloaded row count
downloadedRowCount++;
-
+
// Unlock both mutexes
pthread_mutex_unlock(&dataCreationLock);
pthread_mutex_unlock(&dataFreeLock);