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Diffstat (limited to 'deps/icu-small/source/io/ustream.cpp')
| -rw-r--r-- | deps/icu-small/source/io/ustream.cpp | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/deps/icu-small/source/io/ustream.cpp b/deps/icu-small/source/io/ustream.cpp deleted file mode 100644 index a537d14383..0000000000 --- a/deps/icu-small/source/io/ustream.cpp +++ /dev/null @@ -1,173 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -********************************************************************** -* Copyright (C) 2001-2016, International Business Machines -* Corporation and others. All Rights Reserved. -********************************************************************** -* FILE NAME : ustream.cpp -* -* Modification History: -* -* Date Name Description -* 06/25/2001 grhoten Move iostream from unistr.h to here -****************************************************************************** -*/ - -#include "unicode/utypes.h" - -#if !UCONFIG_NO_CONVERSION - -#include "unicode/uobject.h" -#include "unicode/ustream.h" -#include "unicode/ucnv.h" -#include "unicode/uchar.h" -#include "unicode/utf16.h" -#include "ustr_cnv.h" -#include "cmemory.h" -#include <string.h> - -// console IO - -#if U_IOSTREAM_SOURCE >= 199711 - -#define STD_NAMESPACE std:: - -#define STD_OSTREAM STD_NAMESPACE ostream -#define STD_ISTREAM STD_NAMESPACE istream - -U_NAMESPACE_BEGIN - -U_IO_API STD_OSTREAM & U_EXPORT2 -operator<<(STD_OSTREAM& stream, const UnicodeString& str) -{ - if(str.length() > 0) { - char buffer[200]; - UConverter *converter; - UErrorCode errorCode = U_ZERO_ERROR; - - // use the default converter to convert chunks of text - converter = u_getDefaultConverter(&errorCode); - if(U_SUCCESS(errorCode)) { - const UChar *us = str.getBuffer(); - const UChar *uLimit = us + str.length(); - char *s, *sLimit = buffer + (sizeof(buffer) - 1); - do { - errorCode = U_ZERO_ERROR; - s = buffer; - ucnv_fromUnicode(converter, &s, sLimit, &us, uLimit, 0, FALSE, &errorCode); - *s = 0; - - // write this chunk - if(s > buffer) { - stream << buffer; - } - } while(errorCode == U_BUFFER_OVERFLOW_ERROR); - u_releaseDefaultConverter(converter); - } - } - -/* stream.flush();*/ - return stream; -} - -U_IO_API STD_ISTREAM & U_EXPORT2 -operator>>(STD_ISTREAM& stream, UnicodeString& str) -{ - // This is like ICU status checking. - if (stream.fail()) { - return stream; - } - - /* ipfx should eat whitespace when ios::skipws is set */ - UChar uBuffer[16]; - char buffer[16]; - int32_t idx = 0; - UConverter *converter; - UErrorCode errorCode = U_ZERO_ERROR; - - // use the default converter to convert chunks of text - converter = u_getDefaultConverter(&errorCode); - if(U_SUCCESS(errorCode)) { - UChar *us = uBuffer; - const UChar *uLimit = uBuffer + UPRV_LENGTHOF(uBuffer); - const char *s, *sLimit; - char ch; - UChar ch32; - UBool initialWhitespace = TRUE; - UBool continueReading = TRUE; - - /* We need to consume one byte at a time to see what is considered whitespace. */ - while (continueReading) { - ch = stream.get(); - if (stream.eof()) { - // The EOF is only set after the get() of an unavailable byte. - if (!initialWhitespace) { - stream.clear(stream.eofbit); - } - continueReading = FALSE; - } - sLimit = &ch + (int)continueReading; - us = uBuffer; - s = &ch; - errorCode = U_ZERO_ERROR; - /* - Since we aren't guaranteed to see the state before this call, - this code won't work on stateful encodings like ISO-2022 or an EBCDIC stateful encoding. - We flush on the last byte to ensure that we output truncated multibyte characters. - */ - ucnv_toUnicode(converter, &us, uLimit, &s, sLimit, 0, !continueReading, &errorCode); - if(U_FAILURE(errorCode)) { - /* Something really bad happened. setstate() isn't always an available API */ - stream.clear(stream.failbit); - goto STOP_READING; - } - /* Was the character consumed? */ - if (us != uBuffer) { - /* Reminder: ibm-1390 & JISX0213 can output 2 Unicode code points */ - int32_t uBuffSize = us-uBuffer; - int32_t uBuffIdx = 0; - while (uBuffIdx < uBuffSize) { - U16_NEXT(uBuffer, uBuffIdx, uBuffSize, ch32); - if (u_isWhitespace(ch32)) { - if (!initialWhitespace) { - buffer[idx++] = ch; - while (idx > 0) { - stream.putback(buffer[--idx]); - } - goto STOP_READING; - } - /* else skip intialWhitespace */ - } - else { - if (initialWhitespace) { - /* - When initialWhitespace is TRUE, we haven't appended any - character yet. This is where we truncate the string, - to avoid modifying the string before we know if we can - actually read from the stream. - */ - str.truncate(0); - initialWhitespace = FALSE; - } - str.append(ch32); - } - } - idx = 0; - } - else { - buffer[idx++] = ch; - } - } -STOP_READING: - u_releaseDefaultConverter(converter); - } - -/* stream.flush();*/ - return stream; -} - -U_NAMESPACE_END - -#endif -#endif |