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ICU-2350 add format1ForSource

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X-SVN-Rev: 10992
This commit is contained in:
Alan Liu 2003-02-07 21:07:37 +00:00
parent 7cce44db0b
commit 6449e62ccc
1 changed files with 35 additions and 2 deletions
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37
icu4j/src/com/ibm/icu/impl/Utility.java
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@ -5,8 +5,8 @@
*******************************************************************************
*
* $Source: /xsrl/Nsvn/icu/icu4j/src/com/ibm/icu/impl/Utility.java,v $
* $Date: 2003/01/28 18:55:38 $
* $Revision: 1.35 $
* $Date: 2003/02/07 21:07:37 $
* $Revision: 1.36 $
*
*****************************************************************************************
*/
@ -628,6 +628,39 @@ public final class Utility {
static final char[] HEX_DIGIT = {'0','1','2','3','4','5','6','7',
'8','9','A','B','C','D','E','F'};
/**
* Format a String for representation in a source file. Like
* formatForSource but does not do line breaking.
*/
static public final String format1ForSource(String s) {
StringBuffer buffer = new StringBuffer();
buffer.append("\"");
for (int i=0; i<s.length();) {
char c = s.charAt(i++);
if (c < '\u0020' || c == '"' || c == '\\') {
// Represent control characters, backslash and double quote
// using octal notation; otherwise the string we form
// won't compile, since Unicode escape sequences are
// processed before tokenization.
buffer.append('\\');
buffer.append(HEX_DIGIT[(c & 0700) >> 6]); // HEX_DIGIT works for octal
buffer.append(HEX_DIGIT[(c & 0070) >> 3]);
buffer.append(HEX_DIGIT[(c & 0007)]);
}
else if (c <= '\u007E') {
buffer.append(c);
}
else {
buffer.append("\\u");
buffer.append(HEX_DIGIT[(c & 0xF000) >> 12]);
buffer.append(HEX_DIGIT[(c & 0x0F00) >> 8]);
buffer.append(HEX_DIGIT[(c & 0x00F0) >> 4]);
buffer.append(HEX_DIGIT[(c & 0x000F)]);
}
}
buffer.append('"');
return buffer.toString();
}
/**
* Convert characters outside the range U+0020 to U+007F to