public class String {
- char string[];
+ char value[];
+ int count;
+ int offset;
+ private int cachedHashcode;
+
+ private String() {
+ }
public String(char str[]) {
char charstr[]=new char[str.length];
for(int i=0;i<str.length;i++)
- charstr[i]=charstr[i];
- this.string=charstr;
+ charstr[i]=str[i];
+ this.value=charstr;
+ this.count=str.length;
+ this.offset=0;
}
-
+
public String(byte str[]) {
char charstr[]=new char[str.length];
for(int i=0;i<str.length;i++)
charstr[i]=(char)str[i];
- this.string=charstr;
+ this.value=charstr;
+ this.count=str.length;
+ this.offset=0;
+ }
+
+ public String(byte str[], int offset, int length) {
+ if (length>(str.length-offset))
+ length=str.length-offset;
+ char charstr[]=new char[length];
+ for(int i=0;i<length;i++)
+ charstr[i]=(char)str[i+offset];
+ this.value=charstr;
+ this.count=length;
+ this.offset=0;
+ }
+
+ public String(String str) {
+ this.value=str.value;
+ this.count=str.count;
+ this.offset=str.offset;
+ }
+
+ public String(StringBuffer strbuf) {
+ value=new char[strbuf.length()];
+ count=strbuf.length();
+ offset=0;
+ for(int i=0;i<count;i++)
+ value[i]=strbuf.value[i];
}
- char[] toCharArray() {
- char str[]=new char[string.length];
- for(int i=0;i<string.length;i++)
- str[i]=string[i];
+ public boolean endsWith(String suffix) {
+ return regionMatches(count - suffix.count, suffix, 0, suffix.count);
+ }
+
+
+ public String substring(int beginIndex) {
+ return substring(beginIndex, this.count);
+ }
+
+ public String subString(int beginIndex, int endIndex) {
+ return substring(beginIndex, endIndex);
+ }
+
+ public String substring(int beginIndex, int endIndex) {
+ String str=new String();
+ if (beginIndex>this.count||endIndex>this.count||beginIndex>endIndex) {
+ // FIXME
+ System.printString("Index error: "+beginIndex+" "+endIndex+" "+count+"\n"+this);
+ }
+ str.value=this.value;
+ str.count=endIndex-beginIndex;
+ str.offset=this.offset+beginIndex;
return str;
}
- byte[] getBytes() {
- byte str[]=new byte[string.length];
- for(int i=0;i<string.length;i++)
- str[i]=(byte)string[i];
+ public String subString(int beginIndex) {
+ return this.subString(beginIndex, this.count);
+ }
+
+ public int lastindexOf(int ch) {
+ return this.lastindexOf(ch, count - 1);
+ }
+
+ public static String concat2(String s1, String s2) {
+ if (s1==null)
+ return "null".concat(s2);
+ else
+ return s1.concat(s2);
+ }
+
+ public String concat(String str) {
+ String newstr=new String();
+ newstr.count=this.count+str.count;
+ char charstr[]=new char[newstr.count];
+ newstr.value=charstr;
+ newstr.offset=0;
+ for(int i=0;i<count;i++) {
+ charstr[i]=value[i+offset];
+ }
+ for(int i=0;i<str.count;i++) {
+ charstr[i+count]=str.value[i+str.offset];
+ }
+ return newstr;
+ }
+
+ public int lastindexOf(int ch, int fromIndex) {
+ for(int i=fromIndex;i>0;i--)
+ if (this.charAt(i)==ch)
+ return i;
+ return -1;
+ }
+
+ public String replace(char oldch, char newch) {
+ char[] buffer=new char[count];
+ for(int i=0;i<count;i++) {
+ char x=charAt(i);
+ if (x==oldch)
+ x=newch;
+ buffer[i]=x;
+ }
+ return new String(buffer);
+ }
+
+ public String toUpperCase() {
+ char[] buffer=new char[count];
+ for(int i=0;i<count;i++) {
+ char x=charAt(i);
+ if (x>='a'&&x<='z') {
+ x=(char) ((x-'a')+'A');
+ }
+ buffer[i]=x;
+ }
+ return new String(buffer);
+ }
+
+ public int indexOf(int ch) {
+ return this.indexOf(ch, 0);
+ }
+
+ public int indexOf(int ch, int fromIndex) {
+ for(int i=fromIndex;i<count;i++)
+ if (this.charAt(i)==ch)
+ return i;
+ return -1;
+ }
+
+ public int indexOf(String str) {
+ return this.indexOf(str, 0);
+ }
+
+ public int indexOf(String str, int fromIndex) {
+ if (fromIndex<0)
+ fromIndex=0;
+ for(int i=fromIndex;i<=(count-str.count);i++)
+ if (regionMatches(i, str, 0, str.count))
+ return i;
+ return -1;
+ }
+
+ public int lastIndexOf(String str, int fromIndex) {
+ int k=count-str.count;
+ if (k>fromIndex)
+ k=fromIndex;
+ for(;k>=0;k--) {
+ if (regionMatches(k, str, 0, str.count))
+ return k;
+ }
+ return -1;
+ }
+
+ public int lastIndexOf(String str) {
+ return lastIndexOf(str, count-str.count);
+ }
+
+ public boolean startsWith(String str) {
+ return regionMatches(0, str, 0, str.count);
+ }
+
+ public boolean startsWith(String str, int toffset) {
+ return regionMatches(toffset, str, 0, str.count);
+ }
+
+ public boolean regionMatches(int toffset, String other, int ooffset, int len) {
+ if (toffset<0 || ooffset <0 || (toffset+len)>count || (ooffset+len)>other.count)
+ return false;
+ for(int i=0;i<len;i++)
+ if (other.value[i+other.offset+ooffset]!=
+ this.value[i+this.offset+toffset])
+ return false;
+ return true;
+ }
+
+ public char[] toCharArray() {
+ char str[]=new char[count];
+ for(int i=0;i<count;i++)
+ str[i]=value[i+offset];
+ return str;
+ }
+
+ public byte[] getBytes() {
+ byte str[]=new byte[count];
+ for(int i=0;i<count;i++)
+ str[i]=(byte)value[i+offset];
return str;
}
public int length() {
- return string.length;
+ return count;
+ }
+
+ public char charAt(int i) {
+ return value[i+offset];
}
- public char charAt(int x) {
- return string[x];
+ public String toString() {
+ return this;
}
public static String valueOf(Object o) {
- return o.toString();
+ if (o==null)
+ return "null";
+ else
+ return o.toString();
+ }
+
+ public static String valueOf(boolean b) {
+ if (b)
+ return new String("true");
+ else
+ return new String("false");
+ }
+
+ public static String valueOf(char c) {
+ char ar[]=new char[1];
+ ar[0]=c;
+ return new String(ar);
}
public static String valueOf(int x) {
chararray=new char[length+1];
else
chararray=new char[length];
- int offset;
+ int voffset;
if (x<0) {
chararray[0]='-';
- offset=1;
+ voffset=1;
x=-x;
} else
- offset=0;
+ voffset=0;
do {
- chararray[--length+offset]=(char)(x%10+'0');
+ chararray[--length+voffset]=(char)(x%10+'0');
x=x/10;
} while (length!=0);
return new String(chararray);
}
+
+ public static String valueOf(long x) {
+ int length=0;
+ long tmp;
+ if (x<0)
+ tmp=-x;
+ else
+ tmp=x;
+ do {
+ tmp=tmp/10;
+ length=length+1;
+ } while(tmp!=0);
+
+ char chararray[];
+ if (x<0)
+ chararray=new char[length+1];
+ else
+ chararray=new char[length];
+ int voffset;
+ if (x<0) {
+ chararray[0]='-';
+ voffset=1;
+ x=-x;
+ } else
+ voffset=0;
+
+ do {
+ chararray[--length+voffset]=(char)(x%10+'0');
+ x=x/10;
+ } while (length!=0);
+ return new String(chararray);
+ }
+
+ public int hashCode() {
+ if (cachedHashcode!=0)
+ return cachedHashcode;
+ int hashcode=0;
+ for(int i=0;i<count;i++)
+ hashcode=hashcode*31+value[i+offset];
+ cachedHashcode=hashcode;
+ return hashcode;
+ }
+
+ public boolean equals(Object o) {
+ if (o.getType()!=getType())
+ return false;
+ String s=(String)o;
+ if (s.count!=count)
+ return false;
+ for(int i=0;i<count;i++) {
+ if (s.value[i+s.offset]!=value[i+offset])
+ return false;
+ }
+ return true;
+ }
+
+ public boolean equalsIgnoreCase(String s) {
+ if (s.count!=count)
+ return false;
+ for(int i=0;i<count;i++) {
+ char l=s.value[i+s.offset];
+ char r=value[i+offset];
+ if (l>='a'&&l<='z')
+ l=(char)((l-'a')+'A');
+ if (r>='a'&&r<='z')
+ r=(char)((r-'a')+'A');
+ if (l!=r)
+ return false;
+ }
+ return true;
+ }
}
projects / IRC.git / blobdiff