diff options
Diffstat (limited to 'Source/SPSQLParser.h')
| -rw-r--r-- | Source/SPSQLParser.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Source/SPSQLParser.h b/Source/SPSQLParser.h index 14ac6f9d..3e68501c 100644 --- a/Source/SPSQLParser.h +++ b/Source/SPSQLParser.h @@ -23,6 +23,12 @@ #import <Cocoa/Cocoa.h> +/* + * Define the length of the character cache to use when parsing instead of accessing + * via characterAtIndex:. There is a balance here between updating the cache very + * often and access penalties; 1500 appears a reasonable compromise. + */ +#define CHARACTER_CACHE_LENGTH 1500 /* * This class provides a string class intended for SQL parsing. It extends NSMutableString, @@ -53,6 +59,9 @@ @interface SPSQLParser : NSMutableString { id string; + unichar *stringCharCache; + long charCacheStart; + long charCacheEnd; } @@ -210,6 +219,15 @@ typedef enum _SPCommentTypes { - (long) endIndexOfStringQuotedByCharacter:(unichar)quoteCharacter startingAtIndex:(long)index; - (long) endIndexOfCommentOfType:(SPCommentType)commentType startingAtIndex:(long)index; +/* + * Cacheing methods to enable a faster alternative to characterAtIndex: when walking strings, and overrides to update. + */ +- (unichar) charAtIndex:(long)index; +- (void) clearCharCache; +- (void) deleteCharactersInRange:(NSRange)aRange; +- (void) insertString:(NSString *)aString atIndex:(NSUInteger)anIndex; + + /* Required and primitive methods to allow subclassing class cluster */ #pragma mark - |