テキストのキーワード検索（結果をNSRangeのlistで返す）

AppleScript名：テキストのキーワード検索（結果をNSRangeのlistで返す）

— Created 2017-08-09 by Takaaki Naganoya
— 2017 Piyomaru Software
use AppleScript version "2.4"
use scripting additions
use framework "Foundation"
–http://piyocast.com/as/archives/4771

property NSString : a reference to current application’s NSString
property NSMutableArray : a reference to current application’s NSMutableArray
property NSLiteralSearch : a reference to current application’s NSLiteralSearch

set aStr to "ATGC ACGT ATGC AGTC
ATGC ACGT ATGC AGTC
ATGC ACGT ATGC AGTC
ATGC ACGT ATGC AGTC
"
set aRes to searchWordRanges(aStr, "ATGC") of me as list
–>　　{{location:0, length:4}, {location:10, length:4}, {location:20, length:4}, {location:30, length:4}, {location:40, length:4}, {location:50, length:4}, {location:60, length:4}, {location:70, length:4}}

on searchWordRanges(aTargText as string, aSearchStr as string)
　　set aStr to NSString’s stringWithString:aTargText
　　set bStr to NSString’s stringWithString:aSearchStr
　　
　　set hitArray to NSMutableArray’s alloc()’s init()
　　set cNum to (aStr’s |length|()) as integer
　　
　　set aRange to current application’s NSMakeRange(0, cNum)
　　
　　repeat
　　　　set detectedRange to aStr’s rangeOfString:bStr options:(NSLiteralSearch) range:aRange
　　　　if (detectedRange’s location) is equal to (current application’s NSNotFound) then exit repeat
　　　　
　　　　hitArray’s addObject:detectedRange
　　　　
　　　　set aNum to (detectedRange’s location) as integer
　　　　set bNum to (detectedRange’s |length|) as integer
　　　　
　　　　set aRange to current application’s NSMakeRange(aNum + bNum, cNum – (aNum + bNum))
　　end repeat
　　
　　return hitArray
end searchWordRanges