388 lines
7.7 KiB
Java
388 lines
7.7 KiB
Java
/*
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* $Id: Awk.java,v 1.5 2006-11-22 15:11:36 bacon Exp $
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*/
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package ase.test.awk;
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import java.io.*;
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public class Awk extends ase.awk.Awk
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{
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private FileReader insrc;
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private FileWriter outsrc;
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private String[] cin;
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private int cin_no;
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private String[] cout;
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private int cout_no;
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public Awk () throws ase.awk.Exception
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{
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super ();
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cin = new String[3];
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cin[0] = "c1.txt";
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cin[1] = "c2.txt";
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cin[2] = "c3.txt";
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cin_no = 0;
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cout = new String[1];
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cout[0] = "";
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cout_no = 0;
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}
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protected int open_source (int mode)
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{
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if (mode == SOURCE_READ)
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{
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try { insrc = new FileReader ("t.awk"); }
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catch (IOException e) { return -1; }
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return 1;
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}
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else if (mode == SOURCE_WRITE)
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{
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try { outsrc = new FileWriter ("t.out"); }
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catch (IOException e) { return -1; }
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return 1;
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}
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return -1;
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}
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protected int close_source (int mode)
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{
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if (mode == SOURCE_READ)
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{
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try { insrc.close (); }
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catch (IOException e) { return -1; }
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return 0;
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}
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else if (mode == SOURCE_WRITE)
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{
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try { outsrc.close (); }
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catch (IOException e) { return -1; }
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return 0;
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}
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return -1;
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}
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protected int read_source (char[] buf, int len)
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{
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try { return insrc.read (buf, 0, len); }
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catch (IOException e) { return -1; }
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}
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protected int write_source (char[] buf, int len)
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{
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try { outsrc.write (buf, 0, len); }
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catch (IOException e) { return -1; }
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return len;
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}
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/* ===== console ===== */
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protected int open_console (ase.awk.Extio extio)
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{
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System.err.println ("[open_console called.... name: " + extio.getName() + " mode: " + extio.getMode());
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int mode = extio.getMode ();
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if (mode == ase.awk.Extio.MODE_CONSOLE_READ)
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{
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InputStreamReader isr;
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if (cin_no >= cin.length) return 0;
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isr = get_input_stream (cin[cin_no]);
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if (isr == null) return -1;
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extio.setHandle (isr);
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setConsoleName (extio.getRunId(), cin[cin_no]);
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cin_no++;
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return 1;
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}
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else if (mode == ase.awk.Extio.MODE_CONSOLE_WRITE)
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{
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OutputStreamWriter osw;
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if (cout_no >= cout.length) return 0;
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if (cout[cout_no].length() == 0)
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{
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osw = new OutputStreamWriter (System.out);
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}
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else
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{
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FileOutputStream fos;
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try { fos = new FileOutputStream (cout[cout_no]); }
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catch (IOException e) { return -1; }
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osw = new OutputStreamWriter (fos);
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}
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cout_no++;
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extio.setHandle (osw);
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return 1;
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}
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return -1;
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}
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protected int close_console (ase.awk.Extio extio)
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{
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System.err.println ("[close_console called.... name: " + extio.getName() + " mode: " + extio.getMode());
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int mode = extio.getMode ();
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if (mode == ase.awk.Extio.MODE_CONSOLE_READ)
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{
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InputStreamReader isr = (InputStreamReader)extio.getHandle ();
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try { isr.close (); }
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catch (IOException e) { return -1; }
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return 0;
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}
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else if (mode == ase.awk.Extio.MODE_CONSOLE_WRITE)
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{
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OutputStreamWriter osw = (OutputStreamWriter)extio.getHandle ();
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//try { osw.close (); }
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//catch (IOException e) { return -1; }
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return 0;
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}
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return -1;
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}
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protected int read_console (ase.awk.Extio extio, char[] buf, int len)
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{
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int mode = extio.getMode ();
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if (mode == ase.awk.Extio.MODE_CONSOLE_READ)
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{
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InputStreamReader isr, tmp;
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int n;
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isr = (InputStreamReader)extio.getHandle ();
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try { n = isr.read (buf, 0, len); }
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catch (IOException e) { return -1; }
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while (n == -1)
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{
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if (cin_no >= cin.length) return 0;
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tmp = get_input_stream (cin[cin_no]);
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if (tmp == null) return -1;
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try { isr.close (); }
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catch (IOException e) { /* ignore */ }
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extio.setHandle (tmp);
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setConsoleName (extio.getRunId(), cin[cin_no]);
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isr = (InputStreamReader)extio.getHandle ();
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cin_no++;
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try { n = isr.read (buf, 0, len); }
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catch (IOException e) { return -1; }
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}
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return n;
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}
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return -1;
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}
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protected int write_console (ase.awk.Extio extio, char[] buf, int len)
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{
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int mode = extio.getMode ();
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if (mode == ase.awk.Extio.MODE_CONSOLE_WRITE)
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{
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OutputStreamWriter osw = (OutputStreamWriter)extio.getHandle ();
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try { osw.write (buf, 0, len); osw.flush (); }
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catch (IOException e) { return -1; }
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return len;
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}
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return -1;
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}
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protected int next_console (ase.awk.Extio extio)
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{
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int mode = extio.getMode ();
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if (mode == ase.awk.Extio.MODE_CONSOLE_READ)
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{
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InputStreamReader isr, tmp;
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isr = (InputStreamReader)extio.getHandle ();
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if (cin_no >= cin.length) return 0;
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tmp = get_input_stream (cin[cin_no]);
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if (tmp == null) return -1;
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try { isr.close (); }
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catch (IOException e) { /* ignore */ }
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extio.setHandle (tmp);
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setConsoleName (extio.getRunId(), cin[cin_no]);
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cin_no++;
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return 1;
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}
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return -1;
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}
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private InputStreamReader get_input_stream (String name)
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{
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InputStreamReader isr;
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if (name == null || name.length() == 0)
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{
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isr = new InputStreamReader (System.in);
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}
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else
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{
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FileInputStream fis;
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try { fis = new FileInputStream (name); }
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catch (IOException e) { return null; }
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isr = new InputStreamReader (fis);
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}
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return isr;
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}
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/* ===== file ===== */
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public int open_file (ase.awk.Extio extio)
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{
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int mode = extio.getMode();
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if (mode == ase.awk.Extio.MODE_FILE_READ)
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{
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FileInputStream fis;
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InputStreamReader isr;
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try { fis = new FileInputStream (extio.getName()); }
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catch (IOException e) { return -1; }
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isr = new InputStreamReader (fis);
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extio.setHandle (isr);
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return 1;
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}
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else if (mode == ase.awk.Extio.MODE_FILE_WRITE)
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{
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FileOutputStream fos;
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OutputStreamWriter osw;
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try { fos = new FileOutputStream (extio.getName()); }
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catch (IOException e) { return -1; }
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osw = new OutputStreamWriter (fos);
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extio.setHandle (osw);
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return 1;
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}
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else if (mode == ase.awk.Extio.MODE_FILE_APPEND)
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{
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FileOutputStream fos;
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OutputStreamWriter osw;
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try { fos = new FileOutputStream (extio.getName(), true); }
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catch (IOException e) { return -1; }
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osw = new OutputStreamWriter (fos);
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extio.setHandle (osw);
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return 1;
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}
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return -1;
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}
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public int close_file (ase.awk.Extio extio)
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{
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int mode = extio.getMode();
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if (mode == ase.awk.Extio.MODE_FILE_READ)
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{
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InputStreamReader isr;
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isr = (InputStreamReader)extio.getHandle();
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try { isr.close (); }
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catch (IOException e) { return -1; }
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return 0;
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}
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else if (mode == ase.awk.Extio.MODE_FILE_WRITE)
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{
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OutputStreamWriter osw;
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osw = (OutputStreamWriter)extio.getHandle();
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try { osw.close (); }
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catch (IOException e) { return -1; }
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return 0;
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}
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else if (mode == ase.awk.Extio.MODE_FILE_APPEND)
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{
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OutputStreamWriter osw;
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osw = (OutputStreamWriter)extio.getHandle();
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try { osw.close (); }
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catch (IOException e) { return -1; }
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return 0;
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}
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return -1;
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}
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protected int read_file (ase.awk.Extio extio, char[] buf, int len)
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{
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int mode = extio.getMode();
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if (mode == ase.awk.Extio.MODE_FILE_READ)
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{
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InputStreamReader isr;
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isr = (InputStreamReader)extio.getHandle();
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try
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{
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len = isr.read (buf, 0, len);
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if (len == -1) len = 0;
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}
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catch (IOException e) { len = -1; }
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return len;
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}
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return -1;
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}
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protected int write_file (ase.awk.Extio extio, char[] buf, int len)
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{
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int mode = extio.getMode();
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if (mode == ase.awk.Extio.MODE_FILE_WRITE ||
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mode == ase.awk.Extio.MODE_FILE_APPEND)
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{
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OutputStreamWriter osw;
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osw = (OutputStreamWriter)extio.getHandle();
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try { osw.write (buf, 0, len); }
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catch (IOException e) { len = -1; }
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return len;
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}
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return -1;
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}
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public static void main (String[] args)
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{
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Awk awk = null;
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try
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{
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awk = new Awk ();
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awk.parse ();
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awk.run ();
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}
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catch (ase.awk.Exception e)
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{
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System.out.println ("ase.awk.Exception - " + e.getMessage());
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}
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finally
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{
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if (awk != null) awk.close ();
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}
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}
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}
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