--- /dev/null
+//\r
+// This software is now distributed according to\r
+// the Lesser Gnu Public License. Please see\r
+// http://www.gnu.org/copyleft/lesser.txt for\r
+// the details.\r
+// -- Happy Computing!\r
+//\r
+package com.stevesoft.pat;\r
+import java.util.*;\r
+\r
+/** \r
+ Shareware: package pat\r
+ <a href="copyright.html">Copyright 2001, Steven R. Brandt</a>\r
+*/ /**\r
+This class is used to store a result from Regex */\r
+public class RegRes implements Cloneable {\r
+ protected int[] marks = null;\r
+ protected boolean didMatch_ = false;\r
+ protected StringLike src=null;\r
+\r
+ /** Obtain the text String that was matched against. */\r
+ public String getString() { return src.toString(); }\r
+ /** Obtain the source StringLike object. */\r
+ public StringLike getStringLike() { return src; }\r
+ protected int charsMatched_=0,matchFrom_=0,numSubs_=0;\r
+ public String toString() {\r
+ StringBuffer sb = new StringBuffer();\r
+ sb.append("match="+matchedFrom()+":"+charsMatched());\r
+ if(!didMatch()) return sb.toString();\r
+ for(int i=0;i<numSubs();i++) {\r
+ int n = i + 1;\r
+ sb.append(" sub("+n+")="+matchedFrom(n)+\r
+ ":"+charsMatched(n));\r
+ }\r
+ return sb.toString();\r
+ }\r
+ public RegRes() {}\r
+ public RegRes(RegRes r) {\r
+ copyOutOf(r);\r
+ }\r
+ public void copyOutOf(RegRes r) {\r
+ if(r.marks == null)\r
+ marks = null;\r
+ else try {\r
+ //marks = (Hashtable)r.marks.clone();\r
+ marks = new int[r.marks.length];\r
+ for(int i=0;i<marks.length;i++)\r
+ marks[i]=r.marks[i];\r
+ //marks = (int[])r.marks.clone();\r
+ } catch (Throwable t) {}\r
+ didMatch_ = r.didMatch_;\r
+ src = r.src;\r
+ charsMatched_ = r.charsMatched_;\r
+ matchFrom_ = r.matchFrom_;\r
+ numSubs_ = r.numSubs_;\r
+ }\r
+ public Object clone() { return new RegRes(this); }\r
+ public boolean equals(RegRes r) {\r
+ if(charsMatched_!=r.charsMatched_\r
+ || matchFrom_ !=r.matchFrom_\r
+ || didMatch_ !=r.didMatch_\r
+ || numSubs_ !=r.numSubs_\r
+ || !src.unwrap().equals(r.src.unwrap()))\r
+ return false;\r
+ if(marks==null && r.marks!=null)\r
+ return false;\r
+ if(marks!=null && r.marks==null)\r
+ return false;\r
+ for(int i=1;i<=numSubs_;i++) {\r
+ if(matchedFrom(i) != r.matchedFrom(i))\r
+ return false;\r
+ else if(charsMatched(i) != r.charsMatched(i))\r
+ return false;\r
+ }\r
+ return true;\r
+ }\r
+ /** Obtains the match if successful, null otherwise.*/\r
+ public String stringMatched() {\r
+ int mf=matchedFrom(), cm = charsMatched();\r
+ return !didMatch_ || mf<0 || cm<0 ? null :\r
+ src.substring(mf,mf+cm);\r
+ }\r
+ /** Obtains the position backreference number i begins to match, or\r
+ -1 if backreference i was not matched. */\r
+ public int matchedFrom(int i) {\r
+ if(marks==null||i>numSubs_) return -1;\r
+ //Integer in=(Integer)marks.get("left"+i);\r
+ //return in == null ? -1 : in.intValue();\r
+ return marks[i];\r
+ }\r
+ /** Obtains the number of characters matched by backreference i, or\r
+ -1 if backreference i was not matched. */\r
+ public int charsMatched(int i) {\r
+ if(marks==null||i>numSubs_||!didMatch_) return -1;\r
+ //Integer in = (Integer)marks.get("right"+i);\r
+ //int i2 = in==null ? -1 : in.intValue();\r
+ int mf = matchedFrom(i);\r
+ return mf < 0 ? -1 : marks[i+numSubs_]-matchedFrom(i);\r
+ }\r
+ /** This is either equal to matchedFrom(i)+charsMatched(i) if the match\r
+ was successful, or -1 if it was not. */\r
+ public int matchedTo(int i) {\r
+ if(marks==null||i>numSubs_||!didMatch_) return -1;\r
+ return marks[i+numSubs_];\r
+ }\r
+ /** Obtains a substring matching the nth set\r
+ of parenthesis from the pattern. See\r
+ numSubs(void), or null if the nth backrefence did\r
+ not match. */\r
+ public String stringMatched(int i) {\r
+ int mf = matchedFrom(i), cm = charsMatched(i);\r
+ return !didMatch_ || mf<0 || cm<0 ? null :\r
+ src.substring(mf,mf+cm);\r
+ }\r
+ /** This returns the part of the string that preceeds the match,\r
+ or null if the match failed.*/\r
+ public String left() {\r
+ int mf = matchedFrom();\r
+ return !didMatch_ || (mf<0) ? null : src.substring(0,mf);\r
+ }\r
+ /** This returns the part of the string that follows the ith\r
+ backreference, or null if the backreference did not match. */\r
+ public String left(int i) {\r
+ int mf = matchedFrom(i);\r
+ return !didMatch_ || (mf<0) ? null : src.substring(0,mf);\r
+ }\r
+ /** This returns the part of the string that follows the match,\r
+ or null if the backreference did not match.*/\r
+ public String right() {\r
+ int mf = matchedFrom(), cm = charsMatched();\r
+ return !didMatch_ || mf<0 || cm<0 ? null : src.substring(mf+\r
+ cm,src.length());\r
+ }\r
+ /** This returns the string to the right of the ith backreference,\r
+ or null if the backreference did not match. */\r
+ public String right(int i) {\r
+ int mf = matchedFrom(i), cm = charsMatched(i);\r
+ return !didMatch_ || mf<0 || cm<0 ? null :\r
+ src.substring(mf+cm,src.length());\r
+ }\r
+ /** After a successful match, this returns the location of\r
+ the first matching character, or -1 if the match failed.*/\r
+ public int matchedFrom() { return !didMatch_ ? -1 : matchFrom_; }\r
+ /** After a successful match, this returns the number of\r
+ characters in the match, or -1 if the match failed. */\r
+ public int charsMatched() { return !didMatch_||matchFrom_<0 ? -1 : charsMatched_; }\r
+ /** This is matchedFrom()+charsMatched() after a successful match,\r
+ or -1 otherwise. */\r
+ public int matchedTo() { return !didMatch_ ? -1 : matchFrom_+charsMatched_;}\r
+ /** This returns the number of\r
+ backreferences (parenthesis) in the pattern,\r
+ i.e. the pattern "(ab)" has\r
+ one, the pattern "(a)(b)" has two, etc. */\r
+ public int numSubs() { return numSubs_; }\r
+ /** Contains true if the last match was successful. */\r
+ public boolean didMatch() { return didMatch_; }\r
+\r
+ /** An older name for matchedFrom. */\r
+ public int matchFrom() { return matchedFrom(); }\r
+ /** An older name for stringMatched(). */\r
+ public String substring() { return stringMatched(); }\r
+ /** An older name for matchedFrom. */\r
+ public int matchFrom(int i) { return matchedFrom(i); }\r
+ /** An older name for stringMatched. */\r
+ public String substring(int i) { return stringMatched(i); }\r
+}\r
git://source.jalview.org / jalview.git / blobdiff