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Direktori : /opt/alt/libicu/usr/share/doc/alt-libicu-devel-63.1/samples/numfmt/ |
Current File : //opt/alt/libicu/usr/share/doc/alt-libicu-devel-63.1/samples/numfmt/util.cpp |
/******************************************************************** * © 2016 and later: Unicode, Inc. and others. * License & terms of use: http://www.unicode.org/copyright.html#License ************************************************************************* ************************************************************************* * COPYRIGHT: * Copyright (c) 1999-2009, International Business Machines Corporation and * others. All Rights Reserved. *************************************************************************/ #include "unicode/unistr.h" #include "unicode/fmtable.h" #include <stdio.h> #include <stdlib.h> using namespace icu; enum { U_SPACE=0x20, U_DQUOTE=0x22, U_COMMA=0x2c, U_LEFT_SQUARE_BRACKET=0x5b, U_BACKSLASH=0x5c, U_RIGHT_SQUARE_BRACKET=0x5d, U_SMALL_U=0x75 }; // Verify that a UErrorCode is successful; exit(1) if not void check(UErrorCode& status, const char* msg) { if (U_FAILURE(status)) { printf("ERROR: %s (%s)\n", u_errorName(status), msg); exit(1); } // printf("Ok: %s\n", msg); } // Append a hex string to the target static UnicodeString& appendHex(uint32_t number, int8_t digits, UnicodeString& target) { uint32_t digit; while (digits > 0) { digit = (number >> ((--digits) * 4)) & 0xF; target += (UChar)(digit < 10 ? 0x30 + digit : 0x41 - 10 + digit); } return target; } // Replace nonprintable characters with unicode escapes UnicodeString escape(const UnicodeString &source) { int32_t i; UnicodeString target; target += (UChar)U_DQUOTE; for (i=0; i<source.length(); ++i) { UChar ch = source[i]; if (ch < 0x09 || (ch > 0x0D && ch < 0x20) || ch > 0x7E) { (target += (UChar)U_BACKSLASH) += (UChar)U_SMALL_U; appendHex(ch, 4, target); } else { target += ch; } } target += (UChar)U_DQUOTE; return target; } // Print the given string to stdout using the UTF-8 converter void uprintf(const UnicodeString &str) { char stackBuffer[100]; char *buf = 0; int32_t bufLen = str.extract(0, 0x7fffffff, stackBuffer, sizeof(stackBuffer), "UTF-8"); if(bufLen < sizeof(stackBuffer)) { buf = stackBuffer; } else { buf = new char[bufLen + 1]; bufLen = str.extract(0, 0x7fffffff, buf, bufLen + 1, "UTF-8"); } printf("%s", buf); if(buf != stackBuffer) { delete[] buf; } } // Create a display string for a formattable UnicodeString formattableToString(const Formattable& f) { switch (f.getType()) { case Formattable::kDate: // TODO: Finish implementing this return UNICODE_STRING_SIMPLE("Formattable_DATE_TBD"); case Formattable::kDouble: { char buf[256]; sprintf(buf, "%gD", f.getDouble()); return UnicodeString(buf, ""); } case Formattable::kLong: case Formattable::kInt64: { char buf[256]; sprintf(buf, "%ldL", f.getLong()); return UnicodeString(buf, ""); } case Formattable::kString: return UnicodeString((UChar)U_DQUOTE).append(f.getString()).append((UChar)U_DQUOTE); case Formattable::kArray: { int32_t i, count; const Formattable* array = f.getArray(count); UnicodeString result((UChar)U_LEFT_SQUARE_BRACKET); for (i=0; i<count; ++i) { if (i > 0) { (result += (UChar)U_COMMA) += (UChar)U_SPACE; } result += formattableToString(array[i]); } result += (UChar)U_RIGHT_SQUARE_BRACKET; return result; } default: return UNICODE_STRING_SIMPLE("INVALID_Formattable"); } }