mirror of
https://github.com/gnustep/libs-base.git
synced 2025-05-30 16:30:41 +00:00
Patches submitted from May 20 to Aug 28 1997
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@2406 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
fedor
parent
7b12c4af23
commit
a57d791f91
119 changed files with 16409 additions and 1698 deletions
424
Source/NSData.m
424
Source/NSData.m
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@ -22,11 +22,15 @@
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*/
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#include <gnustep/base/preface.h>
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#include <gnustep/base/MallocAddress.h>
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#include <Foundation/byte_order.h>
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#include <Foundation/NSData.h>
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#include <Foundation/NSString.h>
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#include <Foundation/NSException.h>
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#include <Foundation/NSGData.h>
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#include <Foundation/NSHData.h>
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#include <string.h> /* for memset() */
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#include <unistd.h> /* SEEK_* on SunOS 4 */
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/* xxx Pretty messy. Needs work. */
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@ -57,8 +61,13 @@ static Class NSMutableData_concrete_class;
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+ (void) initialize
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{
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#if 0
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NSData_concrete_class = [NSGData class];
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NSMutableData_concrete_class = [NSGMutableData class];
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#else
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NSData_concrete_class = [NSHData class];
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NSMutableData_concrete_class = [NSHMutableData class];
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#endif
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}
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// Allocating and Initializing a Data Object
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@ -247,7 +256,6 @@ static Class NSMutableData_concrete_class;
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char *dest;
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int length = [self length];
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int i,j;
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id ret;
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#define num2char(num) ((num) < 0xa ? ((num)+'0') : ((num)+0x57))
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@ -264,9 +272,7 @@ static Class NSMutableData_concrete_class;
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}
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dest[j++] = '>';
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dest[j] = '\0';
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ret = [NSString stringWithCString: dest];
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free(dest);
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return ret;
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return [NSString stringWithCString: dest];
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}
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- (void)getBytes: (void*)buffer
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@ -285,13 +291,33 @@ static Class NSMutableData_concrete_class;
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- (void)getBytes: (void*)buffer
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range: (NSRange)aRange
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{
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if (NSMaxRange(aRange) > [self length])
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auto int size;
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// Check for 'out of range' errors. This code assumes that the
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// NSRange location and length types will remain unsigned (hence
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// the lack of a less-than-zero check).
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size = [self length];
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if (aRange.location >= size ||
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aRange.length >= size ||
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NSMaxRange( aRange ) > size)
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{
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/* FIXME: I think that this is the proper way to raise this
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* exception. Maybe not, though. Does GNUStep have a standard
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* format that ``internal'' exceptions like this one should have?
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* If not, then maybe it should. It would help debugging. */
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[NSException raise:NSRangeException
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format:@"Out of bounds of Data."];
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/* Raise an exception.
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* I, too, do not know if GNUStep has a standard
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* format. I do feel, however, that more info is
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* better. Note that the previous check did not
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* check both ends of the range.
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*/
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[NSException raise : NSRangeException
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format : @"Range: (%u, %u) Size: %d",
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aRange.location,
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aRange.length,
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size];
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}
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else
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/* FIXME: I guess we're guaranteed that memcpy() exists? */
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memcpy(buffer, [self bytes] + aRange.location, aRange.length);
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@ -430,50 +456,208 @@ static Class NSMutableData_concrete_class;
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// Deserializing Data
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- (unsigned int) deserializeAlignedBytesLengthAtCursor: (unsigned int*)cursor
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- (unsigned int)deserializeAlignedBytesLengthAtCursor:(unsigned int*)cursor
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{
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[self notImplemented:_cmd];
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return 0;
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return *cursor;
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}
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- (void)deserializeBytes: (void*)buffer
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length: (unsigned int)bytes
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atCursor: (unsigned int*)cursor
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- (void)deserializeBytes:(void*)buffer
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length:(unsigned int)bytes
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atCursor:(unsigned int*)cursor
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{
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[self notImplemented:_cmd];
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NSRange range = { *cursor, bytes };
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[self getBytes:buffer range:range];
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*cursor += bytes;
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}
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- (void)deserializeDataAt: (void*)data
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ofObjCType: (const char*)type
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atCursor: (unsigned int*)cursor
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context: (id <NSObjCTypeSerializationCallBack>)callback
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- (void)deserializeDataAt:(void*)data
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ofObjCType:(const char*)type
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atCursor:(unsigned int*)cursor
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context:(id <NSObjCTypeSerializationCallBack>)callback
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{
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[self notImplemented:_cmd];
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if(!type || !data)
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return;
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switch(*type) {
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case _C_ID: {
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[callback deserializeObjectAt:data ofObjCType:type
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fromData:self atCursor:cursor];
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break;
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}
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case _C_CHARPTR: {
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int length = [self deserializeIntAtCursor:cursor];
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id adr = nil;
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if (length == -1) {
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*(const char**)data = NULL;
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return;
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}
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else {
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OBJC_MALLOC (*(char**)data, char, length+1);
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adr = [MallocAddress autoreleaseMallocAddress:*(void**)data];
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}
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[self deserializeBytes:*(char**)data length:length atCursor:cursor];
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(*(char**)data)[length] = '\0';
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[adr retain];
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break;
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}
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case _C_ARY_B: {
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int i, count, offset, itemSize;
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const char* itemType;
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count = atoi(type + 1);
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itemType = type;
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while(isdigit(*++itemType));
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itemSize = objc_sizeof_type(itemType);
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for(i = offset = 0; i < count; i++, offset += itemSize)
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[self deserializeDataAt:(char*)data + offset
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ofObjCType:itemType
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atCursor:cursor
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context:callback];
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break;
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}
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case _C_STRUCT_B: {
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int offset = 0;
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int align, rem;
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while(*type != _C_STRUCT_E && *type++ != '='); /* skip "<name>=" */
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while(1) {
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[self deserializeDataAt:((char*)data) + offset
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ofObjCType:type
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atCursor:cursor
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context:callback];
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offset += objc_sizeof_type(type);
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type = objc_skip_typespec(type);
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if(*type != _C_STRUCT_E) {
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align = objc_alignof_type(type);
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if((rem = offset % align))
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offset += align - rem;
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}
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else break;
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}
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break;
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}
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case _C_PTR: {
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id adr;
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OBJC_MALLOC (*(char**)data, char, objc_sizeof_type(++type));
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adr = [MallocAddress autoreleaseMallocAddress:*(void**)data];
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[self deserializeDataAt:*(char**)data
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ofObjCType:type
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atCursor:cursor
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context:callback];
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[adr retain];
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break;
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}
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case _C_CHR:
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case _C_UCHR: {
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[self deserializeBytes:data
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length:sizeof(unsigned char)
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atCursor:cursor];
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break;
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}
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case _C_SHT:
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case _C_USHT: {
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unsigned short ns;
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[self deserializeBytes:&ns
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length:sizeof(unsigned short)
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atCursor:cursor];
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*(unsigned short*)data = network_short_to_host (ns);
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break;
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}
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case _C_INT:
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case _C_UINT: {
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unsigned int ni;
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[self deserializeBytes:&ni
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length:sizeof(unsigned int)
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atCursor:cursor];
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*(unsigned int*)data = network_int_to_host (ni);
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break;
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}
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case _C_LNG:
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case _C_ULNG: {
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unsigned int nl;
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[self deserializeBytes:&nl
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length:sizeof(unsigned long)
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atCursor:cursor];
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*(unsigned long*)data = network_long_to_host (nl);
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break;
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}
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case _C_FLT: {
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network_float nf;
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[self deserializeBytes:&nf
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length:sizeof(float)
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atCursor:cursor];
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*(float*)data = network_float_to_host (nf);
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break;
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}
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case _C_DBL: {
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network_double nd;
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[self deserializeBytes:&nd
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length:sizeof(double)
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atCursor:cursor];
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*(double*)data = network_double_to_host (nd);
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break;
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}
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default:
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[NSException raise:NSGenericException
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format:@"Unknown type to deserialize - '%s'", type];
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}
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}
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- (int) deserializeIntAtCursor: (unsigned int*)cursor
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- (int)deserializeIntAtCursor:(unsigned int*)cursor
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{
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[self notImplemented:_cmd];
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return 0;
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unsigned int ni, result;
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[self deserializeBytes:&ni length:sizeof(unsigned int) atCursor:cursor];
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result = network_int_to_host (ni);
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return result;
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}
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- (int) deserializeIntAtLocation: (unsigned int)location
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- (int)deserializeIntAtIndex:(unsigned int)index
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{
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[self notImplemented:_cmd];
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return 0;
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unsigned int ni, result;
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[self deserializeBytes:&ni length:sizeof(unsigned int) atCursor:&index];
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result = network_int_to_host (ni);
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return result;
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}
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- (void)deserializeInts: (int*)intBuffer
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count: (unsigned int)numInts
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atCursor: (unsigned int*)cursor
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- (void)deserializeInts:(int*)intBuffer
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count:(unsigned int)numInts
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atCursor:(unsigned int*)cursor
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{
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[self notImplemented:_cmd];
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unsigned i;
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[self deserializeBytes:&intBuffer
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length:numInts * sizeof(unsigned int)
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atCursor:cursor];
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for (i = 0; i < numInts; i++)
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intBuffer[i] = network_int_to_host (intBuffer[i]);
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}
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- (void)deserializeInts: (int*)intBuffer
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- (void)deserializeInts:(int*)intBuffer
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count:(unsigned int)numInts
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atIndex:(unsigned int)index
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{
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[self notImplemented:_cmd];
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unsigned i;
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[self deserializeBytes:&intBuffer
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length:numInts * sizeof(int)
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atCursor:&index];
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for (i = 0; i < numInts; i++)
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intBuffer[i] = network_int_to_host (intBuffer[i]);
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}
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- (id) copyWithZone: (NSZone*)zone
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@ -579,50 +763,190 @@ static Class NSMutableData_concrete_class;
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- (void) replaceBytesInRange: (NSRange)aRange
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withBytes: (const void*)bytes
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{
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auto int size;
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// Check for 'out of range' errors. This code assumes that the
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// NSRange location and length types will remain unsigned (hence
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// the lack of a less-than-zero check).
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size = [self length];
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if (aRange.location >= size ||
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aRange.length >= size ||
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NSMaxRange( aRange ) > size)
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{
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// Raise an exception.
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[NSException raise : NSRangeException
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format : @"Range: (%u, %u) Size: %d",
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aRange.location,
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aRange.length,
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size];
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}
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memcpy([self mutableBytes] + aRange.location, bytes, aRange.length);
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}
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- (void) resetBytesInRange: (NSRange)aRange
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{
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auto int size;
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|
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// Check for 'out of range' errors. This code assumes that the
|
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// NSRange location and length types will remain unsigned (hence
|
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// the lack of a less-than-zero check).
|
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size = [self length];
|
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if (aRange.location >= size ||
|
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aRange.length >= size ||
|
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NSMaxRange( aRange ) > size)
|
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{
|
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// Raise an exception.
|
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[NSException raise : NSRangeException
|
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format : @"Range: (%u, %u) Size: %d",
|
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aRange.location,
|
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aRange.length,
|
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size];
|
||||
}
|
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memset((char*)[self bytes] + aRange.location, 0, aRange.length);
|
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}
|
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|
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// Serializing Data
|
||||
|
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- (void) serializeAlignedBytesLength: (unsigned int)length
|
||||
- (void)serializeAlignedBytesLength:(unsigned int)length
|
||||
{
|
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[self notImplemented:_cmd];
|
||||
}
|
||||
|
||||
- (void) serializeDataAt: (const void*)data
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ofObjCType: (const char*)type
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context: (id <NSObjCTypeSerializationCallBack>)callback
|
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- (void)serializeDataAt:(const void*)data
|
||||
ofObjCType:(const char*)type
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context:(id <NSObjCTypeSerializationCallBack>)callback
|
||||
{
|
||||
[self notImplemented:_cmd];
|
||||
if(!data || !type)
|
||||
return;
|
||||
|
||||
switch(*type) {
|
||||
case _C_ID: {
|
||||
[callback serializeObjectAt:(id*)data
|
||||
ofObjCType:type
|
||||
intoData:self];
|
||||
break;
|
||||
}
|
||||
case _C_CHARPTR: {
|
||||
int len;
|
||||
|
||||
if(!*(void**)data) {
|
||||
[self serializeInt:-1];
|
||||
return;
|
||||
}
|
||||
len = strlen(*(void**)data);
|
||||
[self serializeInt:len];
|
||||
[self appendBytes:*(void**)data length:len];
|
||||
|
||||
break;
|
||||
}
|
||||
case _C_ARY_B: {
|
||||
int i, offset, itemSize, count = atoi(type + 1);
|
||||
const char* itemType = type;
|
||||
|
||||
while(isdigit(*++itemType));
|
||||
itemSize = objc_sizeof_type(itemType);
|
||||
|
||||
for(i = offset = 0; i < count; i++, offset += itemSize)
|
||||
[self serializeDataAt:(char*)data + offset
|
||||
ofObjCType:itemType
|
||||
context:callback];
|
||||
|
||||
break;
|
||||
}
|
||||
case _C_STRUCT_B: {
|
||||
int offset = 0;
|
||||
int align, rem;
|
||||
|
||||
while(*type != _C_STRUCT_E && *type++ != '='); /* skip "<name>=" */
|
||||
while(1) {
|
||||
[self serializeDataAt:((char*)data) + offset
|
||||
ofObjCType:type
|
||||
context:callback];
|
||||
offset += objc_sizeof_type(type);
|
||||
type = objc_skip_typespec(type);
|
||||
if(*type != _C_STRUCT_E) {
|
||||
align = objc_alignof_type(type);
|
||||
if((rem = offset % align))
|
||||
offset += align - rem;
|
||||
}
|
||||
else break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case _C_PTR:
|
||||
[self serializeDataAt:*(char**)data
|
||||
ofObjCType:++type context:callback];
|
||||
break;
|
||||
case _C_CHR:
|
||||
case _C_UCHR:
|
||||
[self appendBytes:data length:sizeof(unsigned char)];
|
||||
break;
|
||||
case _C_SHT:
|
||||
case _C_USHT: {
|
||||
unsigned short ns = host_short_to_network (*(unsigned short*)data);
|
||||
[self appendBytes:&ns length:sizeof(unsigned short)];
|
||||
break;
|
||||
}
|
||||
case _C_INT:
|
||||
case _C_UINT: {
|
||||
unsigned int ni = host_int_to_network (*(unsigned int*)data);
|
||||
[self appendBytes:&ni length:sizeof(unsigned int)];
|
||||
break;
|
||||
}
|
||||
case _C_LNG:
|
||||
case _C_ULNG: {
|
||||
unsigned long nl = host_long_to_network (*(unsigned long*)data);
|
||||
[self appendBytes:&nl length:sizeof(unsigned long)];
|
||||
break;
|
||||
}
|
||||
case _C_FLT: {
|
||||
network_float nf = host_float_to_network (*(float*)data);
|
||||
[self appendBytes:&nf length:sizeof(float)];
|
||||
break;
|
||||
}
|
||||
case _C_DBL: {
|
||||
network_double nd = host_double_to_network (*(double*)data);
|
||||
[self appendBytes:&nd length:sizeof(double)];
|
||||
break;
|
||||
}
|
||||
default:
|
||||
[NSException raise:NSGenericException
|
||||
format:@"Unknown type to deserialize - '%s'", type];
|
||||
}
|
||||
}
|
||||
|
||||
- (void) serializeInt: (int)value
|
||||
- (void)serializeInt:(int)value
|
||||
{
|
||||
[self notImplemented:_cmd];
|
||||
unsigned int ni = host_int_to_network (value);
|
||||
[self appendBytes:&ni length:sizeof(unsigned int)];
|
||||
}
|
||||
|
||||
- (void) serializeInt: (int)value
|
||||
atIndex: (unsigned int)location
|
||||
- (void)serializeInt:(int)value atIndex:(unsigned int)index
|
||||
{
|
||||
[self notImplemented:_cmd];
|
||||
unsigned int ni = host_int_to_network (value);
|
||||
NSRange range = { index, sizeof(int) };
|
||||
[self replaceBytesInRange:range withBytes:&ni];
|
||||
}
|
||||
|
||||
- (void) serializeInts: (int*)intBuffer
|
||||
count: (unsigned int)numInts
|
||||
- (void)serializeInts:(int*)intBuffer count:(unsigned int)numInts
|
||||
{
|
||||
[self notImplemented:_cmd];
|
||||
unsigned i;
|
||||
SEL selector = @selector (serializeInt:);
|
||||
IMP imp = [self methodForSelector:selector];
|
||||
|
||||
for (i = 0; i < numInts; i++)
|
||||
(*imp)(self, selector, intBuffer[i]);
|
||||
}
|
||||
|
||||
- (void) serializeInts: (int*)intBuffer
|
||||
count: (unsigned int)numInts
|
||||
atIndex: (unsigned int)location
|
||||
- (void)serializeInts:(int*)intBuffer
|
||||
count:(unsigned int)numInts
|
||||
atIndex:(unsigned int)index
|
||||
{
|
||||
[self notImplemented:_cmd];
|
||||
unsigned i;
|
||||
SEL selector = @selector (serializeInt:atIndex:);
|
||||
IMP imp = [self methodForSelector:selector];
|
||||
|
||||
for (i = 0; i < numInts; i++)
|
||||
(*imp)(self, selector, intBuffer[i], index++);
|
||||
}
|
||||
|
||||
@end
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue