ObjFW  Check-in [4f7378978c]

Overview
Comment:Fix FIXMEs in OFString; new exception.
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SHA3-256: 4f7378978c0b0bdc7da4bf482158eded8195414b93e5b290e4f1fbffb1d409f2
User & Date: js on 2008-12-10 20:53:13
Other Links: manifest | tags
Context
2008-12-11
13:43
Remove - close from OFStream protocol.
The reason is that closing a file isn't too useful, because an OFFile
object can't be reused, whereas an OFTCPSocket can. So only the
OFTCPSocket should have closed. Plus, we don't need to handle the case
that someone tried to read from / write to a closed OFFile.
check-in: c83137e7cd user: js tags: trunk
2008-12-10
20:53
Fix FIXMEs in OFString; new exception. check-in: 4f7378978c user: js tags: trunk
18:00
Enhance exceptions; fix some FIXMEs in OFTCPSocket. check-in: a01c94d9dd user: js tags: trunk
Changes

Modified src/OFExceptions.h from [077a4ec303] to [d80b50b5d0].

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@end

/**
 * An OFException indicating the given value is out of range. 
 */
@interface OFOutOfRangeException: OFException {}
/**










 * \return An error message for the exception as a C String
 */
- (char*)cString;
@end

/**
 * An OFException indicating the file couldn't be opened.







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@end

/**
 * An OFException indicating the given value is out of range. 
 */
@interface OFOutOfRangeException: OFException {}
/**
 * \return An error message for the exception as a C String
 */
- (char*)cString;
@end

/**
 * An OFException indicating that the conversation between two charsets failed.
 */
@interface OFCharsetConversionFailedException: OFException {}
/**
 * \return An error message for the exception as a C String
 */
- (char*)cString;
@end

/**
 * An OFException indicating the file couldn't be opened.

Modified src/OFExceptions.m from [47e102896c] to [5e428f851d].

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{
	if (string != NULL)
		return string;

	asprintf(&string, "Value out of range in object of class %s!",
	    object != nil ? [object name] : "(null)");














	return string;
}
@end

@implementation OFOpenFileFailedException
+ newWithObject: (id)obj
	andPath: (const char*)p







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{
	if (string != NULL)
		return string;

	asprintf(&string, "Value out of range in object of class %s!",
	    object != nil ? [object name] : "(null)");

	return string;
}
@end

@implementation OFCharsetConversionFailedException
- (char*)cString
{
	if (string != NULL)
		return string;
	
	asprintf(&string, "Charset conversion failed in object of classs %s!",
	    [object name]);

	return string;
}
@end

@implementation OFOpenFileFailedException
+ newWithObject: (id)obj
	andPath: (const char*)p

Modified src/OFString.m from [56af24d281] to [f6358fc52b].

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{
	if ((self = [super init])) {
		if (str == NULL) {
			length = 0;
			string = NULL;
		} else {
			if ((length = mbstowcs(NULL, str, 0)) == (size_t)-1) {
				/* FIXME: Throw exception */
				[super free];

				return nil;
			}

			string = [self getMemForNItems: length + 1
						ofSize: sizeof(wchar_t)];

			if (mbstowcs(string, str, length + 1) != length) {
				[super free];







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{
	if ((self = [super init])) {
		if (str == NULL) {
			length = 0;
			string = NULL;
		} else {
			if ((length = mbstowcs(NULL, str, 0)) == (size_t)-1) {

				[super free];
				@throw [OFCharsetConversionFailedException
				    newWithObject: nil];
			}

			string = [self getMemForNItems: length + 1
						ofSize: sizeof(wchar_t)];

			if (mbstowcs(string, str, length + 1) != length) {
				[super free];
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}

- (char*)getCString
{
	char *str;
	size_t len;

	if ((len = wcstombs(NULL, string, 0)) == (size_t)-1) {
		/* FIXME: Throw exception */
		return NULL;
	}

	str = [self getMemWithSize: len + 1];

	if (wcstombs(str, string, len + 1) != len) {
		/* FIXME: Throw exception */
		[self freeMem: str];
		return NULL;

	}

	return str;
}

- (wchar_t*)wideCString
{







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}

- (char*)getCString
{
	char *str;
	size_t len;

	if ((len = wcstombs(NULL, string, 0)) == (size_t)-1)
		@throw [OFCharsetConversionFailedException newWithObject: self];



	str = [self getMemWithSize: len + 1];

	if (wcstombs(str, string, len + 1) != len) {

		[self freeMem: str];

		@throw [OFCharsetConversionFailedException newWithObject: self];
	}

	return str;
}

- (wchar_t*)wideCString
{
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{
	wchar_t	*newstr, *tmpstr;
	size_t	newlen, strlength;

	if (string == NULL) 
		return [self setTo: [OFString newFromCString: str]];

	if ((strlength = mbstowcs(NULL, str, 0)) == (size_t)-1) {
		/* FIXME: Throw exception */
		return nil;
	} 

	tmpstr = [self getMemForNItems: strlength + 1
				ofSize: sizeof(wchar_t)];

	if (mbstowcs(tmpstr, str, strlength) != strlength) {
		/* FIXME: Throw exception */
		[self freeMem: tmpstr];
		return nil;

	}

	newlen = length + strlength;
	newstr = [self resizeMem: string
			toNItems: newlen + 1
			  ofSize: sizeof(wchar_t)];








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{
	wchar_t	*newstr, *tmpstr;
	size_t	newlen, strlength;

	if (string == NULL) 
		return [self setTo: [OFString newFromCString: str]];

	if ((strlength = mbstowcs(NULL, str, 0)) == (size_t)-1)
		@throw [OFCharsetConversionFailedException newWithObject: self];



	tmpstr = [self getMemForNItems: strlength + 1
				ofSize: sizeof(wchar_t)];

	if (mbstowcs(tmpstr, str, strlength) != strlength) {

		[self freeMem: tmpstr];

		@throw [OFCharsetConversionFailedException newWithObject: self];
	}

	newlen = length + strlength;
	newstr = [self resizeMem: string
			toNItems: newlen + 1
			  ofSize: sizeof(wchar_t)];