OOEncodingConverter Class Reference

#include <OOEncodingConverter.h>

Inheritance diagram for OOEncodingConverter:

Collaboration diagram for OOEncodingConverter:

Instance Methods
(id)	- initWithEncoding:substitutions:
(id)	- initWithFontPList:
(NSData *)	- convertString:
(NSStringEncoding)	- encoding
(void)	- dealloc [implementation]
(NSString *)	- descriptionComponents [implementation]
(NSData *)	- performConversionForString: [implementation]

Private Attributes
NSStringEncoding	_encoding
OOCache *	_cache
NSDictionary *	_substitutions

Detailed Description

Definition at line 39 of file OOEncodingConverter.h.

Method Documentation

convertString:

- (NSData *) convertString:

(NSString *)

string

Definition at line 248 of file OOEncodingConverter.m.

                          :(NSString *)string
{
    NSData              *data = nil;
    
#if USE_COMPATIBILITY_MAPPING
    // Convert to Unicode Normalization Form KC (that is, minimize the use of combining modifiers while avoiding precomposed ligatures)
    string = [string precomposedStringWithCompatibilityMapping];
#endif
    
    if (string == nil)  return [NSData data];
    
    data = [_cache objectForKey:string];
    if (data == nil)
    {
        data = [self performConversionForString:string];
        if (data != nil)  [_cache setObject:data forKey:string];
        
#if PROFILE_ENCODING_CONVERTER
        ++sCacheMisses;
    }
    else
    {
        ++sCacheHits;
#endif
    }
    
    return data;
}

References kWindowsCyrillicStr, kWindowsGreekStr, kWindowsLatin1Str, kWindowsLatin2Str, and kWindowsTurkishStr.

Referenced by HeadUpDisplay::OODrawStringQuadsAligned, and HeadUpDisplay::OORectFromString.

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dealloc

- (void) dealloc

implementation

Definition at line 248 of file OOEncodingConverter.m.

{
    [_cache release];
    [_substitutions release];
    
#if PROFILE_ENCODING_CONVERTER
    sProfiledConverter = nil;
    [sProfileTimer invalidate];
    sProfileTimer = nil;
    sCacheHits = 0;
    sCacheMisses = 0;
#endif
    
    [super dealloc];
}

descriptionComponents

- (NSString *) descriptionComponents

implementation

Definition at line 248 of file OOEncodingConverter.m.

{
    return [NSString stringWithFormat:@"encoding: %u", _encoding];
}

encoding

- (NSStringEncoding) encoding

Definition at line 248 of file OOEncodingConverter.m.

{
    return _encoding;
}

initWithEncoding:substitutions:

- (id) initWithEncoding:		(NSStringEncoding)	encoding
substitutions:		(NSDictionary *)	substitutions

Definition at line 248 of file OOEncodingConverter.m.

                       :(NSStringEncoding)encoding substitutions:(NSDictionary *)substitutions
{
    self = [super init];
    if (self != nil)
    {
        _cache = [[OOCache alloc] init];
        [_cache setPruneThreshold:kCachePruneThreshold];
        [_cache setName:@"Text encoding"];
        _substitutions = [substitutions copy];
        _encoding = encoding;
        
#if PROFILE_ENCODING_CONVERTER
        if (sProfiledConverter == nil)
        {
            sProfiledConverter = self;
            sProfileTimer = [NSTimer scheduledTimerWithTimeInterval:5 target:self selector:@selector(profileFire:) userInfo:nil repeats:YES];
        }
#endif
    }
    
    return self;
}

initWithFontPList:

- (id) initWithFontPList:

(NSDictionary *)

fontPList

Definition at line 248 of file OOEncodingConverter.m.

                        :(NSDictionary *)fontPList
{
    return [self initWithEncoding:EncodingFromString([fontPList oo_stringForKey:@"encoding"]) substitutions:[fontPList oo_dictionaryForKey:@"substitutions"]];
}

performConversionForString:

- (NSData *) performConversionForString: (NSString *)  string

implementation

Provided by category OOEncodingConverter(Private).

Definition at line 248 of file OOEncodingConverter.m.

                                       :(NSString *)string
{
    NSString            *subst = nil;
    NSMutableString     *mutable = nil;
    
    mutable = [[string mutableCopy] autorelease];
    if (mutable == nil)  return nil;
    
    foreachkey (subst, _substitutions)
    {
        [mutable replaceOccurrencesOfString:subst
                                 withString:[_substitutions objectForKey:subst]
                                    options:0
                                      range:NSMakeRange(0, [mutable length])];
    }
    
    return [mutable dataUsingEncoding:_encoding allowLossyConversion:YES];
}

Member Data Documentation

_cache

- (OOCache*) _cache

private

Definition at line 43 of file OOEncodingConverter.h.

_encoding

- (NSStringEncoding) _encoding

private

Definition at line 42 of file OOEncodingConverter.h.

_substitutions

- (NSDictionary*) _substitutions

private

Definition at line 44 of file OOEncodingConverter.h.

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The documentation for this class was generated from the following files:

• src/Core/OOEncodingConverter.h
• src/Core/OOEncodingConverter.m