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      1 /********************************************************************
      2  *    2016 and later: Unicode, Inc. and others.
      3  *   License & terms of use: http://www.unicode.org/copyright.html#License
      4  *************************************************************************
      5  *************************************************************************
      6  * COPYRIGHT:
      7  * Copyright (c) 1999-2009, International Business Machines Corporation and
      8  * others. All Rights Reserved.
      9  *************************************************************************/
     10 
     11 #include "unicode/unistr.h"
     12 #include "unicode/fmtable.h"
     13 #include <stdio.h>
     14 #include <stdlib.h>
     15 
     16 enum {
     17     U_SPACE=0x20,
     18     U_DQUOTE=0x22,
     19     U_COMMA=0x2c,
     20     U_LEFT_SQUARE_BRACKET=0x5b,
     21     U_BACKSLASH=0x5c,
     22     U_RIGHT_SQUARE_BRACKET=0x5d,
     23     U_SMALL_U=0x75
     24 };
     25 
     26 // Verify that a UErrorCode is successful; exit(1) if not
     27 void check(UErrorCode& status, const char* msg) {
     28     if (U_FAILURE(status)) {
     29         printf("ERROR: %s (%s)\n", u_errorName(status), msg);
     30         exit(1);
     31     }
     32     // printf("Ok: %s\n", msg);
     33 }
     34 
     35 // Append a hex string to the target
     36 static UnicodeString& appendHex(uint32_t number,
     37                          int8_t digits,
     38                          UnicodeString& target) {
     39     uint32_t digit;
     40     while (digits > 0) {
     41         digit = (number >> ((--digits) * 4)) & 0xF;
     42         target += (UChar)(digit < 10 ? 0x30 + digit : 0x41 - 10 + digit);
     43     }
     44     return target;
     45 }
     46 
     47 // Replace nonprintable characters with unicode escapes
     48 UnicodeString escape(const UnicodeString &source) {
     49     int32_t i;
     50     UnicodeString target;
     51     target += (UChar)U_DQUOTE;
     52     for (i=0; i<source.length(); ++i) {
     53         UChar ch = source[i];
     54         if (ch < 0x09 || (ch > 0x0D && ch < 0x20) || ch > 0x7E) {
     55             (target += (UChar)U_BACKSLASH) += (UChar)U_SMALL_U;
     56             appendHex(ch, 4, target);
     57         } else {
     58             target += ch;
     59         }
     60     }
     61     target += (UChar)U_DQUOTE;
     62     return target;
     63 }
     64 
     65 // Print the given string to stdout using the UTF-8 converter
     66 void uprintf(const UnicodeString &str) {
     67     char stackBuffer[100];
     68     char *buf = 0;
     69 
     70     int32_t bufLen = str.extract(0, 0x7fffffff, stackBuffer, sizeof(stackBuffer), "UTF-8");
     71     if(bufLen < sizeof(stackBuffer)) {
     72         buf = stackBuffer;
     73     } else {
     74         buf = new char[bufLen + 1];
     75         bufLen = str.extract(0, 0x7fffffff, buf, bufLen + 1, "UTF-8");
     76     }
     77     printf("%s", buf);
     78     if(buf != stackBuffer) {
     79         delete[] buf;
     80     }
     81 }
     82 
     83 // Create a display string for a formattable
     84 UnicodeString formattableToString(const Formattable& f) {
     85     switch (f.getType()) {
     86     case Formattable::kDate:
     87         // TODO: Finish implementing this
     88         return UNICODE_STRING_SIMPLE("Formattable_DATE_TBD");
     89     case Formattable::kDouble:
     90         {
     91             char buf[256];
     92             sprintf(buf, "%gD", f.getDouble());
     93             return UnicodeString(buf, "");
     94         }
     95     case Formattable::kLong:
     96     case Formattable::kInt64:
     97         {
     98             char buf[256];
     99             sprintf(buf, "%ldL", f.getLong());
    100             return UnicodeString(buf, "");
    101         }
    102     case Formattable::kString:
    103         return UnicodeString((UChar)U_DQUOTE).append(f.getString()).append((UChar)U_DQUOTE);
    104     case Formattable::kArray:
    105         {
    106             int32_t i, count;
    107             const Formattable* array = f.getArray(count);
    108             UnicodeString result((UChar)U_LEFT_SQUARE_BRACKET);
    109             for (i=0; i<count; ++i) {
    110                 if (i > 0) {
    111                     (result += (UChar)U_COMMA) += (UChar)U_SPACE;
    112                 }
    113                 result += formattableToString(array[i]);
    114             }
    115             result += (UChar)U_RIGHT_SQUARE_BRACKET;
    116             return result;
    117         }
    118     default:
    119         return UNICODE_STRING_SIMPLE("INVALID_Formattable");
    120     }
    121 }
    122