ObjFW  Check-in [dc7bb2d594]

Overview
Comment:Add methods to handle C strings with length to OF(Mutable)String.
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SHA3-256: dc7bb2d5941c9d55317e258e3d7f21b73ac7e709aeffaf2cc5edd185ef185663
User & Date: js on 2009-07-14 17:32:42
Other Links: manifest | tags
Context
2009-07-14
17:51
Optimize some code by using the new stringWithCString:andLength: method. check-in: 7bb3494ef9 user: js tags: trunk
17:32
Add methods to handle C strings with length to OF(Mutable)String. check-in: dc7bb2d594 user: js tags: trunk
17:14
Get rid of strcmp and strlen calls in OFString tests. check-in: 6a2551a704 user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/OFMutableString.h from [caaae87364] to [d521da8eed].

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/**
 * Appends a C string to the OFString.
 *
 * \param str A C string to append
 */
- appendCString: (const char*)str;










/**
 * Appends a C string to the OFString without checking whether it is valid
 * UTF-8.
 *
 * Only use this if you are 100% sure the string you append is either ASCII or
 * UTF-8!
 *
 * \param str A C string to append
 */
- appendCStringWithoutUTF8Checking: (const char*)str;














/**
 * Appends another OFString to the OFString.
 *
 * \param str An OFString to append
 */
- appendString: (OFString*)str;









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/**
 * Appends a C string to the OFString.
 *
 * \param str A C string to append
 */
- appendCString: (const char*)str;

/**
 * Appends a C string with the specified length to the OFString.
 *
 * \param str A C string to append
 * \param len The length of the C string
 */
- appendCString: (const char*)str
     withLength: (size_t)len;

/**
 * Appends a C string to the OFString without checking whether it is valid
 * UTF-8.
 *
 * Only use this if you are 100% sure the string you append is either ASCII or
 * UTF-8!
 *
 * \param str A C string to append
 */
- appendCStringWithoutUTF8Checking: (const char*)str;

/**
 * Appends a C string with the specified length to the OFString without checking
 * whether it is valid UTF-8.
 *
 * Only use this if you are 100% sure the string you append is either ASCII or
 * UTF-8!
 *
 * \param str A C string to append
 * \param len The length of the C string
 */
- appendCStringWithoutUTF8Checking: (const char*)str
			 andLength: (size_t)len;

/**
 * Appends another OFString to the OFString.
 *
 * \param str An OFString to append
 */
- appendString: (OFString*)str;
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Modified src/OFMutableString.m from [fdbe2b51a4] to [d6f1d8e020].

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	string = [self resizeMemory: string
			     toSize: length + strlength + 1];
	memcpy(string + length, str, strlength + 1);
	length += strlength;

	return self;
}
























- appendCStringWithoutUTF8Checking: (const char*)str
{
	size_t strlength;

	strlength = strlen(str);
	string = [self resizeMemory: string
			     toSize: length + strlength + 1];
	memcpy(string + length, str, strlength + 1);
	length += strlength;
















	return self;
}

- appendString: (OFString*)str
{
	return [self appendCStringWithoutUTF8Checking: [str cString]];
}








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	string = [self resizeMemory: string
			     toSize: length + strlength + 1];
	memcpy(string + length, str, strlength + 1);
	length += strlength;

	return self;
}

- appendCString: (const char*)str
     withLength: (size_t)len
{
	if (len > strlen(str))
		@throw [OFOutOfRangeException newWithClass: isa];

	switch (of_string_check_utf8(str, len)) {
	case 1:
		is_utf8 = YES;
		break;
	case -1:
		@throw [OFInvalidEncodingException newWithClass: isa];
	}

	string = [self resizeMemory: string
			     toSize: length + len + 1];
	memcpy(string + length, str, len);
	length += len;
	string[length] = 0;

	return self;
}

- appendCStringWithoutUTF8Checking: (const char*)str
{
	size_t strlength;

	strlength = strlen(str);
	string = [self resizeMemory: string
			     toSize: length + strlength + 1];
	memcpy(string + length, str, strlength + 1);
	length += strlength;

	return self;
}

- appendCStringWithoutUTF8Checking: (const char*)str
			 andLength: (size_t)len
{
	if (len > strlen(str))
		@throw [OFOutOfRangeException newWithClass: isa];

	string = [self resizeMemory: string
			     toSize: length + len + 1];
	memcpy(string + length, str, len);
	length += len;
	string[length] = 0;

	return self;
}

- appendString: (OFString*)str
{
	return [self appendCStringWithoutUTF8Checking: [str cString]];
}
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Modified src/OFString.h from [39d87bb8ba] to [1adde179e3].

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 * Creates a new OFString from a C string.
 *
 * \param str A C string to initialize the OFString with
 * \return A new autoreleased OFString
 */
+ stringWithCString: (const char*)str;











/**
 * Creates a new OFString from a format string.
 * See printf for the format syntax.
 *
 * \param fmt A string used as format to initialize the OFString
 * \return A new autoreleased OFString
 */








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 * Creates a new OFString from a C string.
 *
 * \param str A C string to initialize the OFString with
 * \return A new autoreleased OFString
 */
+ stringWithCString: (const char*)str;

/**
 * Creates a new OFString from a C string with the specified length.
 *
 * \param str A C string to initialize the OFString with
 * \param len The length of the string
 * \return A new autoreleased OFString
 */
+ stringWithCString: (const char*)str
	  andLength: (size_t)len;

/**
 * Creates a new OFString from a format string.
 * See printf for the format syntax.
 *
 * \param fmt A string used as format to initialize the OFString
 * \return A new autoreleased OFString
 */
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 * Initializes an already allocated OFString.
 *
 * \return An initialized OFString
 */
- init;

/**
 * Initializes an already allocated OFString with a C string.
 *
 * \param str A C string to initialize the OFString with
 * \return An initialized OFString
 */
- initWithCString: (const char*)str;












/**
 * Initializes an already allocated OFString with a format string.
 * See printf for the format syntax.
 *
 * \param fmt A string used as format to initialize the OFString
 * \return An initialized OFString
 */








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 * Initializes an already allocated OFString.
 *
 * \return An initialized OFString
 */
- init;

/**
 * Initializes an already allocated OFString from a C string.
 *
 * \param str A C string to initialize the OFString with
 * \return An initialized OFString
 */
- initWithCString: (const char*)str;

/**
 * Initializes an already allocated OFString from a C string with the specified
 * length.
 *
 * \param str A C string to initialize the OFString with
 * \param len The length of the string
 * \return An initialized OFString
 */
- initWithCString: (const char*)str
	andLength: (size_t)len;

/**
 * Initializes an already allocated OFString with a format string.
 * See printf for the format syntax.
 *
 * \param fmt A string used as format to initialize the OFString
 * \return An initialized OFString
 */
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 * \param delimiter The delimiter for splitting
 * \return An autoreleased OFArray with the splitted string
 */
- (OFArray*)splitWithDelimiter: (OFString*)delimiter;

- setToCString: (const char*)str;
- appendCString: (const char*)str;


- appendCStringWithoutUTF8Checking: (const char*)str;


- appendString: (OFString*)str;
- appendWithFormat: (OFString*)fmt, ...;
- appendWithFormat: (OFString*)fmt
      andArguments: (va_list)args;
- reverse;
- upper;
- lower;








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 * \param delimiter The delimiter for splitting
 * \return An autoreleased OFArray with the splitted string
 */
- (OFArray*)splitWithDelimiter: (OFString*)delimiter;

- setToCString: (const char*)str;
- appendCString: (const char*)str;
- appendCString: (const char*)str
     withLength: (size_t)len;
- appendCStringWithoutUTF8Checking: (const char*)str;
- appendCStringWithoutUTF8Checking: (const char*)str
			 andLength: (size_t)len;
- appendString: (OFString*)str;
- appendWithFormat: (OFString*)fmt, ...;
- appendWithFormat: (OFString*)fmt
      andArguments: (va_list)args;
- reverse;
- upper;
- lower;
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Modified src/OFString.m from [6fce01c941] to [36e450e8e9].

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	return [[[self alloc] init] autorelease];
}

+ stringWithCString: (const char*)str
{
	return [[[self alloc] initWithCString: str] autorelease];
}








+ stringWithFormat: (OFString*)fmt, ...
{
	id ret;
	va_list args;

	va_start(args, fmt);








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	return [[[self alloc] init] autorelease];
}

+ stringWithCString: (const char*)str
{
	return [[[self alloc] initWithCString: str] autorelease];
}

+ stringWithCString: (const char*)str
	  andLength: (size_t)len
{
	return [[[self alloc] initWithCString: str
				    andLength: len] autorelease];
}

+ stringWithFormat: (OFString*)fmt, ...
{
	id ret;
	va_list args;

	va_start(args, fmt);
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	self = [super init];

	if (str != NULL) {
		length = strlen(str);

		switch (of_string_check_utf8(str, length)) {
			case 1:
				is_utf8 = YES;
				break;
			case -1:
				c = isa;
				[super dealloc];
				@throw [OFInvalidEncodingException
					newWithClass: c];
		}

		@try {
			string = [self allocMemoryWithSize: length + 1];
		} @catch (OFException *e) {
			/*
			 * We can't use [super dealloc] on OS X here.
			 * Compiler bug? Anyway, [self dealloc] will do here as
			 * we don't reimplement dealloc.
			 */
			[self dealloc];
			@throw e;
		}
		memcpy(string, str, length + 1);
	}











































	return self;
}

- initWithFormat: (OFString*)fmt, ...
{
	id ret;
	va_list args;








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	self = [super init];

	if (str != NULL) {
		length = strlen(str);

		switch (of_string_check_utf8(str, length)) {
		case 1:
			is_utf8 = YES;
			break;
		case -1:
			c = isa;
			[super dealloc];
			@throw [OFInvalidEncodingException newWithClass: c];

		}

		@try {
			string = [self allocMemoryWithSize: length + 1];
		} @catch (OFException *e) {
			/*
			 * We can't use [super dealloc] on OS X here.
			 * Compiler bug? Anyway, [self dealloc] will do here as
			 * we don't reimplement dealloc.
			 */
			[self dealloc];
			@throw e;
		}
		memcpy(string, str, length + 1);
	}

	return self;
}

- initWithCString: (const char*)str
	andLength: (size_t)len
{
	Class c;

	self = [super init];

	if (len > strlen(str)) {
		c = isa;
		[super dealloc];
		@throw [OFOutOfRangeException newWithClass: c];
	}

	length = len;

	switch (of_string_check_utf8(str, length)) {
	case 1:
		is_utf8 = YES;
		break;
	case -1:
		c = isa;
		[super dealloc];
		@throw [OFInvalidEncodingException newWithClass: c];
	}

	@try {
		string = [self allocMemoryWithSize: length + 1];
	} @catch (OFException *e) {
		/*
		 * We can't use [super dealloc] on OS X here.
		 * Compiler bug? Anyway, [self dealloc] will do here as
		 * we don't reimplement dealloc.
		 */
		[self dealloc];
		@throw e;
	}
	memcpy(string, str, length);
	string[length] = 0;

	return self;
}

- initWithFormat: (OFString*)fmt, ...
{
	id ret;
	va_list args;
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}

- appendCString: (const char*)str
{
	@throw [OFNotImplementedException newWithClass: isa
					   andSelector: _cmd];
}








- appendCStringWithoutUTF8Checking: (const char*)str







{
	@throw [OFNotImplementedException newWithClass: isa
					   andSelector: _cmd];
}

- appendString: (OFString*)str
{









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}

- appendCString: (const char*)str
{
	@throw [OFNotImplementedException newWithClass: isa
					   andSelector: _cmd];
}

- appendCString: (const char*)str
     withLength: (size_t)len
{
	@throw [OFNotImplementedException newWithClass: isa
					   andSelector: _cmd];
}

- appendCStringWithoutUTF8Checking: (const char*)str
{
	@throw [OFNotImplementedException newWithClass: isa
					   andSelector: _cmd];
}

- appendCStringWithoutUTF8Checking: (const char*)str
			 andLength: (size_t)len
{
	@throw [OFNotImplementedException newWithClass: isa
					   andSelector: _cmd];
}

- appendString: (OFString*)str
{
︙︙

Modified tests/OFString/OFString.m from [859b6563cd] to [2fcb062a9a].

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	CHECK([s1 hash] == 0xC44F49A4)
	CHECK([[s1 reverse] isEqual: @"321tset"])
	CHECK([[s1 upper] isEqual: @"321TSET"])
	CHECK([[s1 lower] isEqual: @"321tset"])

	/* Also clears all the memory of the returned C strings */
	[pool release];









	/* UTF-8 tests */
	CHECK_EXCEPT(s1 = [OFString stringWithCString: "\xE0\x80"],
	    OFInvalidEncodingException)
	CHECK_EXCEPT(s1 = [OFString stringWithCString: "\xF0\x80\x80\xC0"],
	    OFInvalidEncodingException)









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	CHECK([s1 hash] == 0xC44F49A4)
	CHECK([[s1 reverse] isEqual: @"321tset"])
	CHECK([[s1 upper] isEqual: @"321TSET"])
	CHECK([[s1 lower] isEqual: @"321tset"])

	/* Also clears all the memory of the returned C strings */
	[pool release];

	s1 = [OFMutableString stringWithCString: "foobar"
				      andLength: 3];
	CHECK([s1 isEqual: @"foo"])

	[s1 appendCString: "foobarqux" + 3
	       withLength: 3];
	CHECK([s1 isEqual: @"foobar"])

	/* UTF-8 tests */
	CHECK_EXCEPT(s1 = [OFString stringWithCString: "\xE0\x80"],
	    OFInvalidEncodingException)
	CHECK_EXCEPT(s1 = [OFString stringWithCString: "\xF0\x80\x80\xC0"],
	    OFInvalidEncodingException)
︙︙

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