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some additional file utilities

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X-SVN-Rev: 6433
This commit is contained in:
Mark Davis 2001-10-25 20:32:38 +00:00
parent 1357a73d28
commit 73c3b12dd4
3 changed files with 79 additions and 16 deletions
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6
tools/unicodetools/com/ibm/text/utility/UTF8StreamReader.java
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@ -5,8 +5,8 @@
*******************************************************************************
*
* $Source: /xsrl/Nsvn/icu/unicodetools/com/ibm/text/utility/UTF8StreamReader.java,v $
* $Date: 2001/08/31 00:19:16 $
* $Revision: 1.2 $
* $Date: 2001/10/25 20:32:38 $
* $Revision: 1.3 $
*
*******************************************************************************
*/
@ -35,7 +35,7 @@ public final class UTF8StreamReader extends Reader {
private InputStream input;
private boolean checkIrregular = true;
UTF8StreamReader(InputStream stream, int buffersize) {
public UTF8StreamReader(InputStream stream, int buffersize) {
if (buffersize < 1) {
throw new IllegalArgumentException("UTF8StreamReader buffersize must be >= 1");
}

12
tools/unicodetools/com/ibm/text/utility/UTF8StreamWriter.java
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@ -5,8 +5,8 @@
*******************************************************************************
*
* $Source: /xsrl/Nsvn/icu/unicodetools/com/ibm/text/utility/UTF8StreamWriter.java,v $
* $Date: 2001/09/19 23:33:52 $
* $Revision: 1.3 $
* $Date: 2001/10/25 20:32:38 $
* $Revision: 1.4 $
*
*******************************************************************************
*/
@ -35,8 +35,13 @@ public final class UTF8StreamWriter extends Writer {
private int bEnd;
private int bIndex = 0;
private int highSurrogate = 0;
private boolean removeCR;
public UTF8StreamWriter(OutputStream stream, int buffersize) {
this(stream, buffersize, true);
}
public UTF8StreamWriter(OutputStream stream, int buffersize, boolean removeCR) {
if (buffersize < 5) {
throw new IllegalArgumentException("UTF8StreamWriter buffersize must be >= 5");
}
@ -44,6 +49,7 @@ public final class UTF8StreamWriter extends Writer {
bBuffer = new byte[buffersize];
bEnd = buffersize;
bSafeEnd = buffersize - 4;
this.removeCR = removeCR;
}
private static final int
@ -72,7 +78,7 @@ public final class UTF8StreamWriter extends Writer {
int utf32 = buffer[cStart++];
if (utf32 == 0x0D) continue; // skip write
if (utf32 == 0x0D && removeCR) continue; // skip write
// special check for surrogates

77
tools/unicodetools/com/ibm/text/utility/Utility.java
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@ -5,8 +5,8 @@
*******************************************************************************
*
* $Source: /xsrl/Nsvn/icu/unicodetools/com/ibm/text/utility/Utility.java,v $
* $Date: 2001/09/19 23:33:52 $
* $Revision: 1.4 $
* $Date: 2001/10/25 20:32:38 $
* $Revision: 1.5 $
*
*******************************************************************************
*/
@ -45,23 +45,23 @@ public final class Utility { // COMMON UTILITIES
}
}
public static int setBits(int source, int start, int end) {
public static long setBits(long source, int start, int end) {
if (start < end) {
int temp = start;
start = end;
end = temp;
}
int bmstart = (1 << (start+1)) - 1;
int bmend = (1 << end) - 1;
long bmstart = (1L << (start+1)) - 1;
long bmend = (1L << end) - 1;
bmstart &= ~bmend;
return source |= bmstart;
}
public static int setBit(int source, int start) {
public static long setBit(long source, int start) {
return setBits(source, start, start);
}
public static int clearBits(int source, int start, int end) {
public static long clearBits(long source, int start, int end) {
if (start < end) {
int temp = start;
start = end;
@ -73,7 +73,7 @@ public final class Utility { // COMMON UTILITIES
return source &= ~bmstart;
}
public static int clearBit(int source, int start) {
public static long clearBit(long source, int start) {
return clearBits(source, start, start);
}
@ -424,9 +424,58 @@ public final class Utility { // COMMON UTILITIES
private static final String DATA_DIR = "C:\\DATA";
public static PrintWriter openPrintWriter(String filename) throws IOException {
return openPrintWriter(filename, true);
}
public static PrintWriter openPrintWriter(String filename, boolean removeCR) throws IOException {
return new PrintWriter(
new UTF8StreamWriter(new FileOutputStream(DATA_DIR + File.separator + "GEN" + File.separator + filename),
32*1024));
new UTF8StreamWriter(
new FileOutputStream(DATA_DIR + File.separator + "GEN" + File.separator + filename),
32*1024,
removeCR));
}
public static void print(PrintWriter pw, Collection c, String separator) {
print(pw, c, separator, null);
}
public interface Breaker {
public String get(Object current, Object old);
}
public static void print(PrintWriter pw, Collection c, String separator, Breaker b) {
Iterator it = c.iterator();
boolean first = true;
Object last = null;
while (it.hasNext()) {
Object obj = it.next();
if (first) {
first = false;
}
else pw.print(separator);
if (b != null) {
pw.print(b.get(obj, last));
}
pw.print(obj);
last = obj;
}
}
public static void appendFile(String filename, boolean utf8, PrintWriter output) throws IOException {
FileInputStream fis = new FileInputStream(filename);
InputStreamReader isr = utf8 ? new InputStreamReader(fis, "UTF8") : new InputStreamReader(fis);
BufferedReader br = new BufferedReader(isr, 32*1024);
while (true) {
String line = br.readLine();
if (line == null) break;
output.println(line);
}
}
public static void copyTextFile(String filename, boolean utf8, String newName) throws IOException {
PrintWriter out = Utility.openPrintWriter(newName);
appendFile(filename, utf8, out);
out.close();
}
public static BufferedReader openUnicodeFile(String filename, String version) throws IOException {
@ -466,4 +515,12 @@ public final class Utility { // COMMON UTILITIES
log.println("--></style>");
log.println("</head><body>");
}
public static String replace(String source, String piece, String replacement) {
while (true) {
int pos = source.indexOf(piece);
if (pos < 0) return source;
source = source.substring(0,pos) + source.substring(pos + piece.length());
}
}
}