package com.stevesoft.pat;\r
\r
import java.io.*;\r
+\r
import com.stevesoft.pat.wrap.*;\r
\r
/** This class allows you to replace the text in strings\r
this freedom... using Regex.perlCode("s{.*}{x}s")\r
as your pattern will result in loading the entire\r
contents of the Reader into memory.\r
- */\r
-public class RegexReader extends Reader {\r
+ */\r
+public class RegexReader\r
+ extends Reader\r
+{\r
RBuffer rb = new RBuffer(new StringBuffer());\r
PartialBuffer wrap = new PartialBuffer(rb.sb);\r
boolean moreToRead = true;\r
Replacer rp;\r
\r
// the buffer size\r
- int nmax = 2*1024;\r
+ int nmax = 2 * 1024;\r
\r
- public RegexReader(Regex rex,Reader r) {\r
+ public RegexReader(Regex rex, Reader r)\r
+ {\r
this.r = r;\r
rp = rex.getReplacer();\r
}\r
- public RegexReader(Transformer tex,Reader r) {\r
+\r
+ public RegexReader(Transformer tex, Reader r)\r
+ {\r
this.r = r;\r
rp = tex.getReplacer();\r
}\r
- public void reset() throws IOException {\r
+\r
+ public void reset()\r
+ throws IOException\r
+ {\r
r.reset();\r
rb = new RBuffer(new StringBuffer());\r
wrap = new PartialBuffer(rb.sb);\r
moreToRead = true;\r
}\r
- void readData() throws IOException {\r
+\r
+ void readData()\r
+ throws IOException\r
+ {\r
int c;\r
int n = 0;\r
- while( (c = r.read()) != -1) {\r
- rb.sb.append((char)c);\r
- if(n++ > nmax)\r
+ while ( (c = r.read()) != -1)\r
+ {\r
+ rb.sb.append( (char) c);\r
+ if (n++ > nmax)\r
+ {\r
break;\r
+ }\r
}\r
- if(c == -1 && n == 0) {\r
+ if (c == -1 && n == 0)\r
+ {\r
moreToRead = false;\r
wrap.allowOverRun = false;\r
}\r
}\r
- void getMoreData() throws IOException {\r
- while(rb.pos >= rb.epos) {\r
+\r
+ void getMoreData()\r
+ throws IOException\r
+ {\r
+ while (rb.pos >= rb.epos)\r
+ {\r
wrap.overRun = false;\r
- if(rb.next != null) {\r
- rb = rb.next;\r
- } else if(rb.done) {\r
+ if (rb.next != null)\r
+ {\r
+ rb = rb.next;\r
+ }\r
+ else if (rb.done)\r
+ {\r
break;\r
- } else if(rb.epos >= rb.sb.length()\r
- && rb.epos > nmax) {\r
- rb.pos = 1;\r
- rb.epos = 1;\r
- rb.sb.setLength(1);\r
- readData();\r
- } else if(rb.epos >= rb.sb.length()\r
- && moreToRead) {\r
+ }\r
+ else if (rb.epos >= rb.sb.length()\r
+ && rb.epos > nmax)\r
+ {\r
+ rb.pos = 1;\r
+ rb.epos = 1;\r
+ rb.sb.setLength(1);\r
+ readData();\r
+ }\r
+ else if (rb.epos >= rb.sb.length()\r
+ && moreToRead)\r
+ {\r
readData();\r
- } else if(rp.getRegex().matchAt(wrap,rb.epos)) {\r
- if(wrap.overRun) {\r
- readData();\r
- } else {\r
- StringBufferWrap sbw = new StringBufferWrap();\r
- StringBufferLike sbl = new StringBufferLike(sbw);\r
- /*\r
- ReplaceRule rr = rex.getReplaceRule();\r
- while(rr != null) {\r
- rr.apply(sbl,rex);\r
- rr = rr.next;\r
- }\r
- */\r
- Regex rex = rp.getRegex();\r
- int npos = rex.matchedTo();\r
- rp.setBuffer(sbl);\r
- rp.setSource(wrap);\r
- rp.setPos(npos);\r
- rp.apply(rex,rex.getReplaceRule());\r
- int opos = rb.epos;\r
- RBuffer rb2 = new RBuffer((StringBuffer)sbw.unwrap());\r
- rb2.epos = rb2.sb.length();\r
- RBuffer rb3 = new RBuffer(rb.sb);\r
-\r
- rb.next = rb2;\r
- rb2.next = rb3;\r
-\r
- if(npos == opos) {\r
- rb3.epos = npos+1;\r
- if(rb3.epos > rb3.sb.length()) {\r
- if(rb.pos >= rb.epos)\r
- rb = rb.next;\r
- rb3.pos = rb3.epos = 0;\r
- rb3.done = true;\r
- //break;\r
- }\r
+ }\r
+ else if (rp.getRegex().matchAt(wrap, rb.epos))\r
+ {\r
+ if (wrap.overRun)\r
+ {\r
+ readData();\r
+ }\r
+ else\r
+ {\r
+ StringBufferWrap sbw = new StringBufferWrap();\r
+ StringBufferLike sbl = new StringBufferLike(sbw);\r
+ /*\r
+ ReplaceRule rr = rex.getReplaceRule();\r
+ while(rr != null) {\r
+ rr.apply(sbl,rex);\r
+ rr = rr.next;\r
+ }\r
+ */\r
+ Regex rex = rp.getRegex();\r
+ int npos = rex.matchedTo();\r
+ rp.setBuffer(sbl);\r
+ rp.setSource(wrap);\r
+ rp.setPos(npos);\r
+ rp.apply(rex, rex.getReplaceRule());\r
+ int opos = rb.epos;\r
+ RBuffer rb2 = new RBuffer( (StringBuffer) sbw.unwrap());\r
+ rb2.epos = rb2.sb.length();\r
+ RBuffer rb3 = new RBuffer(rb.sb);\r
+\r
+ rb.next = rb2;\r
+ rb2.next = rb3;\r
+\r
+ if (npos == opos)\r
+ {\r
+ rb3.epos = npos + 1;\r
+ if (rb3.epos > rb3.sb.length())\r
+ {\r
+ if (rb.pos >= rb.epos)\r
+ {\r
+ rb = rb.next;\r
+ }\r
+ rb3.pos = rb3.epos = 0;\r
+ rb3.done = true;\r
+ //break;\r
+ }\r
rb3.pos = npos;\r
- } else {\r
- rb3.pos = rb3.epos = npos;\r
- }\r
+ }\r
+ else\r
+ {\r
+ rb3.pos = rb3.epos = npos;\r
+ }\r
\r
}\r
- } else {\r
- if(wrap.overRun) {\r
- readData();\r
- } else if(rb.epos<rb.sb.length()) {\r
- rb.epos++;\r
- } else {\r
- break;\r
- }\r
+ }\r
+ else\r
+ {\r
+ if (wrap.overRun)\r
+ {\r
+ readData();\r
+ }\r
+ else if (rb.epos < rb.sb.length())\r
+ {\r
+ rb.epos++;\r
+ }\r
+ else\r
+ {\r
+ break;\r
+ }\r
}\r
}\r
}\r
- public int read() throws IOException {\r
- if(rb.pos >= rb.epos) {\r
+\r
+ public int read()\r
+ throws IOException\r
+ {\r
+ if (rb.pos >= rb.epos)\r
+ {\r
getMoreData();\r
- if(rb.pos >= rb.epos)\r
+ if (rb.pos >= rb.epos)\r
+ {\r
return -1;\r
+ }\r
}\r
//System.out.println(rb);\r
return rb.sb.charAt(rb.pos++);\r
}\r
- public int read(char[] buf,int off,int len)\r
- throws IOException\r
+\r
+ public int read(char[] buf, int off, int len)\r
+ throws IOException\r
{\r
int c = -1;\r
- int end = off+len;\r
- for(int i=off;i<end;i++) {\r
+ int end = off + len;\r
+ for (int i = off; i < end; i++)\r
+ {\r
c = read();\r
- if(c < 0) {\r
- if(i == off)\r
- return -1;\r
- return i-off;\r
+ if (c < 0)\r
+ {\r
+ if (i == off)\r
+ {\r
+ return -1;\r
+ }\r
+ return i - off;\r
}\r
- buf[i] = (char)c;\r
+ buf[i] = (char) c;\r
}\r
return len;\r
}\r
+\r
public void close()\r
- throws IOException\r
+ throws IOException\r
{\r
r.close();\r
}\r
\r
- public boolean markSupported() { return false; }\r
+ public boolean markSupported()\r
+ {\r
+ return false;\r
+ }\r
\r
/** Get the size of the working buffer.\r
The current buffer may be larger if\r
the pattern demands it. */\r
- public int getBufferSize() {\r
+ public int getBufferSize()\r
+ {\r
return nmax;\r
}\r
+\r
/** Set the size of the working buffer.\r
The current buffer may be larger if\r
the pattern demands it. */\r
- public void setBufferSize(int n) {\r
+ public void setBufferSize(int n)\r
+ {\r
nmax = n;\r
}\r
\r
int max_lines = 2;\r
/** This function no longer serves any purpose.\r
@deprecated\r
- */\r
- public int getMaxLines() { return max_lines; }\r
+ */\r
+ public int getMaxLines()\r
+ {\r
+ return max_lines;\r
+ }\r
+\r
/** This function no longer serves any purpose.\r
@deprecated\r
- */\r
- public void setMaxLines(int ml) { max_lines = ml; }\r
+ */\r
+ public void setMaxLines(int ml)\r
+ {\r
+ max_lines = ml;\r
+ }\r
\r
char EOLchar = '\n';\r
/** This function no longer serves any purpose.\r
@deprecated\r
- */\r
- public char getEOLchar() {\r
+ */\r
+ public char getEOLchar()\r
+ {\r
return EOLchar;\r
}\r
+\r
/** This function no longer serves any purpose.\r
@deprecated\r
- */\r
- public void setEOLchar(char c) {\r
+ */\r
+ public void setEOLchar(char c)\r
+ {\r
EOLchar = c;\r
}\r
\r
- public long skip(long d) throws IOException {\r
+ public long skip(long d)\r
+ throws IOException\r
+ {\r
// This is probably inefficient, I just did it\r
// this way to avoid possible bugs.\r
long n = 0;\r
- while(n<d && read() != -1)\r
+ while (n < d && read() != -1)\r
+ {\r
n++;\r
+ }\r
return n;\r
}\r
\r
/*\r
- static void test(String re,String inp,int n) throws Exception {\r
+ static void test(String re,String inp,int n) throws Exception {\r
Reader r = new StringReader(inp);\r
r = new BufferedReader(r);\r
Regex rex = Regex.perlCode(re);\r
System.out.println("res2="+res2);\r
System.exit(255);\r
}\r
- }\r
- public static void main(String[] args) throws Exception {\r
+ }\r
+ public static void main(String[] args) throws Exception {\r
for(int n=6;n<15;n++) {\r
test("s/x/y/","-----x123456789",n);\r
test("s/x/y/","x123456789",n);\r
test("s/x/$&/","xxx",n);\r
}\r
System.out.println("Success!!!");\r
- }\r
- */\r
+ }\r
+ */\r
}\r
git://source.jalview.org / jalview.git / blobdiff