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      1 /********************************************************************
      2  * COPYRIGHT:
      3  * Copyright (c) 1999-2010, International Business Machines Corporation and
      4  * others. All Rights Reserved.
      5  ********************************************************************/
      6 
      7 #include "unicode/unistr.h"
      8 #include <stdio.h>
      9 #include <stdlib.h>
     10 
     11 // Verify that a UErrorCode is successful; exit(1) if not
     12 void check(UErrorCode& status, const char* msg) {
     13     if (U_FAILURE(status)) {
     14         printf("ERROR: %s (%s)\n", u_errorName(status), msg);
     15         exit(1);
     16     }
     17     // printf("Ok: %s\n", msg);
     18 }
     19 
     20 // Append a hex string to the target
     21 static UnicodeString& appendHex(uint32_t number,
     22                          int8_t digits,
     23                          UnicodeString& target) {
     24     static const UnicodeString DIGIT_STRING("0123456789ABCDEF");
     25     while (digits > 0) {
     26         target += DIGIT_STRING[(number >> ((--digits) * 4)) & 0xF];
     27     }
     28     return target;
     29 }
     30 
     31 // Replace nonprintable characters with unicode escapes
     32 UnicodeString escape(const UnicodeString &source) {
     33     int32_t i;
     34     UnicodeString target;
     35     target += "\"";
     36     for (i=0; i<source.length(); ++i) {
     37         UChar ch = source[i];
     38         if (ch < 0x09 || (ch > 0x0A && ch < 0x20) || ch > 0x7E) {
     39             target += "\\u";
     40             appendHex(ch, 4, target);
     41         } else {
     42             target += ch;
     43         }
     44     }
     45     target += "\"";
     46     return target;
     47 }
     48 
     49 // Print the given string to stdout
     50 void uprintf(const UnicodeString &str) {
     51     char *buf = 0;
     52     int32_t len = str.length();
     53     // int32_t bufLen = str.extract(0, len, buf); // Preflight
     54     /* Preflighting seems to be broken now, so assume 1-1 conversion,
     55        plus some slop. */
     56     int32_t bufLen = len + 16;
     57 	int32_t actualLen;
     58     buf = new char[bufLen + 1];
     59     actualLen = str.extract(0, len, buf/*, bufLen*/); // Default codepage conversion
     60     buf[actualLen] = 0;
     61     printf("%s", buf);
     62     delete [] buf;
     63 }
     64