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My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.

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Objective-C/C++       Report abuse 

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#import "NewickParser.h"

@implementation NewickParser

-(void)parse:(NSString*) newickString {
    
    NSLog(@"newick is %@", newickString);
    NSString *filePath = [[NSBundle mainBundle] pathForResource:@"newickgrammar" ofType:@"txt"];  
    NSString *grammar = [NSString stringWithContentsOfFile:filePath encoding:NSASCIIStringEncoding error:nil];
    NSLog(@"grammar is %@", grammar);
    PKParser *parser = [[PKParserFactory factory] parserFromGrammar:grammar assembler:self];
    [parser parse:newickString];

}

-(void)didMatchTree:(PKAssembly*)a {
    NSLog(@"%@", a);
    
}

@end

output:

newick is (A:0.1,B:0.2,(C:0.3,D:0.4):0.5);
2011-11-03 13:31:47.019 iRangerCLI[11654:60b] grammar is @start = tree+;
tree = subtree ';' | branch ';';
subtree = leaf | internal;
leaf = name;
internal = '(' branchset ')' name;
branchset = branch | branchset ',' branch;
branch = subtree length;
name = Word | QuotedString;
length = ':' Number;
warning: Unable to restore previously selected frame.
kill
quit