diff options
Diffstat (limited to 'Source/SPSQLParser.m')
| -rw-r--r-- | Source/SPSQLParser.m | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/Source/SPSQLParser.m b/Source/SPSQLParser.m index fb125f43..8173170d 100644 --- a/Source/SPSQLParser.m +++ b/Source/SPSQLParser.m @@ -77,6 +77,9 @@ TO_BUFFER_STATE to_scan_string (const char *); /** * Control whether DELIMITER commands are recognised and used to override * supported characters. + * When delimiter support is enabled, many string functions will start looking + * for the delimiter *instead* of the supplied character, assuming that use + * is looking for line endings. This will be improved in future versions. */ - (void) setDelimiterSupport:(BOOL)shouldSupportDelimiters { @@ -327,7 +330,7 @@ TO_BUFFER_STATE to_scan_string (const char *); if (stringIndex == NSNotFound) return NO; // If it has been found, trim the string appropriately and return YES - [self deleteCharactersInRange:NSMakeRange(0, stringIndex + (inclusive?1:0))]; + [self deleteCharactersInRange:NSMakeRange(0, stringIndex + (inclusive?1:-delimiterLengthMinusOne))]; return YES; } @@ -355,7 +358,7 @@ TO_BUFFER_STATE to_scan_string (const char *); if (stringIndex == NSNotFound) return nil; // If it has been found, return the appropriate string range - return [string substringWithRange:NSMakeRange(returnFromPosition, stringIndex + (inclusive?1:0) - returnFromPosition)]; + return [string substringWithRange:NSMakeRange(returnFromPosition, stringIndex + (inclusive?1:-delimiterLengthMinusOne) - returnFromPosition)]; } /** @@ -388,10 +391,10 @@ TO_BUFFER_STATE to_scan_string (const char *); stringIndex = [self firstOccurrenceOfCharacter:character afterIndex:parsedToPosition ignoringQuotedStrings:ignoreQuotedStrings]; } while (lastMatchIsDelimiter && stringIndex != NSNotFound); if (stringIndex == NSNotFound) return nil; - + // Select the appropriate string range, truncate the current string, and return the selected string - resultString = [NSString stringWithString:[string substringWithRange:NSMakeRange(returnFromPosition, stringIndex + (inclusiveReturn?1:0) - returnFromPosition)]]; - [self deleteCharactersInRange:NSMakeRange(0, stringIndex + (inclusiveTrim?1:0))]; + resultString = [NSString stringWithString:[string substringWithRange:NSMakeRange(returnFromPosition, stringIndex + (inclusiveReturn?1:-delimiterLengthMinusOne) - returnFromPosition)]]; + [self deleteCharactersInRange:NSMakeRange(0, stringIndex + (inclusiveTrim?1:-delimiterLengthMinusOne))]; return resultString; } @@ -771,12 +774,14 @@ TO_BUFFER_STATE to_scan_string (const char *); // Delimiter command found. Extract the delimiter string itself NSArray *delimiterCommandParts = [[self arrayOfCaptureComponentsMatchedByRegex:@"(?i)^(delimiter[ \\t]+(\\S+))(?=\\s)" range:NSMakeRange(currentStringIndex, stringLength - currentStringIndex)] objectAtIndex:0]; - delimiter = [delimiterCommandParts objectAtIndex:2]; + if (delimiter) [delimiter release]; + delimiter = [[NSString alloc] initWithString:[delimiterCommandParts objectAtIndex:2]]; delimiterLengthMinusOne = [delimiter length] - 1; parsedToPosition = currentStringIndex + [[delimiterCommandParts objectAtIndex:1] length]; // Drop back to standard non-delimiter mode if the delimiter has ended if ([delimiter isEqualToString:[NSString stringWithFormat:@"%C", character]]) { + if (delimiter) [delimiter release]; delimiter = nil; delimiterLengthMinusOne = 0; } @@ -1005,7 +1010,7 @@ TO_BUFFER_STATE to_scan_string (const char *); } - (void) setString:(NSString *)aString { [string setString:aString]; - delimiter = nil; + if (delimiter) [delimiter release], delimiter = nil; delimiterLengthMinusOne = 0; lastMatchIsDelimiter = NO; [self _clearCharCache]; @@ -1024,6 +1029,7 @@ TO_BUFFER_STATE to_scan_string (const char *); } - (void) dealloc { [string release]; + if (delimiter) [delimiter release]; if (charCacheEnd != -1) free(stringCharCache); [super dealloc]; } |