+++ /dev/null
-/*
-**********************************************************************
-* Copyright (C) 2001, 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"
-#include "unicode/uobject.h"
-#include "unicode/ustream.h"
-#include "unicode/ucnv.h"
-#include "unicode/uchar.h"
-#include "ustr_imp.h"
-#include <string.h>
-
-// console IO
-
-#if U_IOSTREAM_SOURCE >= 198506
-
-#if U_IOSTREAM_SOURCE >= 199711
-#define STD_NAMESPACE std::
-#else
-#define STD_NAMESPACE
-#endif
-
-#define STD_OSTREAM STD_NAMESPACE ostream
-#define STD_ISTREAM STD_NAMESPACE istream
-
-U_USTDIO_API STD_OSTREAM &
-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);
- do {
- errorCode = U_ZERO_ERROR;
- s = buffer;
- ucnv_fromUnicode(converter, &s, sLimit, &us, uLimit, 0, FALSE, &errorCode);
-
- // write this chunk
- if(s > buffer) {
- stream.write(buffer, s - buffer);
- }
- } while(errorCode == U_BUFFER_OVERFLOW_ERROR);
- u_releaseDefaultConverter(converter);
- }
- }
-
-/* stream.flush();*/
- return stream;
-}
-
-U_USTDIO_API STD_ISTREAM &
-operator>>(STD_ISTREAM& stream, UnicodeString& str)
-{
- /* 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;
-
- str.truncate(0);
- // use the default converter to convert chunks of text
- converter = u_getDefaultConverter(&errorCode);
- if(U_SUCCESS(errorCode)) {
- UChar *us = uBuffer;
- const UChar *uLimit = uBuffer + sizeof(uBuffer)/sizeof(*uBuffer);
- const char *s, *sLimit;
- char ch;
- UChar ch32;
- UBool intialWhitespace = TRUE;
-
- /* We need to consume one byte at a time to see what is considered whitespace. */
- while (!stream.eof()) {
- ch = stream.get();
- sLimit = &ch + 1;
- errorCode = U_ZERO_ERROR;
- us = uBuffer;
- s = &ch;
- ucnv_toUnicode(converter, &us, uLimit, &s, sLimit, 0, FALSE, &errorCode);
- if(U_FAILURE(errorCode)) {
- /* Something really bad happened */
- return stream;
- }
- /* Was the character consumed? */
- if (us != uBuffer) {
- U16_GET(uBuffer, 0, 0, us-uBuffer, ch32);
- if (u_isWhitespace(ch32)) {
- if (!intialWhitespace) {
- buffer[idx++] = ch;
- while (idx > 0) {
- stream.putback(buffer[--idx]);
- }
- break;
- }
- /* else skip intialWhitespace */
- }
- else {
- str.append(ch32);
- intialWhitespace = FALSE;
- }
- idx = 0;
- }
- else {
- buffer[idx++] = ch;
- }
- }
- u_releaseDefaultConverter(converter);
- }
-
-/* stream.flush();*/
- return stream;
-}
-
-
-#endif
-
-#if 0
-/* UnicodeStringStreamer internal API may be useful for future reference */
-#ifndef UNISTRM_H
-#define UNISTRM_H
-
-#include "filestrm.h"
-#include "umemstrm.h"
-#include "unicode/unistr.h"
-
-
-class U_COMMON_API UnicodeStringStreamer /* not : public UObject because all methods are static */ {
-public:
- static void streamIn(UnicodeString* string, FileStream* is);
- static void streamOut(const UnicodeString* string, FileStream* os);
- static void streamIn(UnicodeString* string, UMemoryStream* is);
- static void streamOut(const UnicodeString* string, UMemoryStream* os);
-};
-
-
-#endif
-
-//========================================
-// Streaming (to be removed)
-//========================================
-
-#include "unistrm.h"
-#include "filestrm.h"
-
-
-inline uint8_t
-uprv_hibyte(uint16_t x)
-{ return (uint8_t)(x >> 8); }
-
-inline uint8_t
-uprv_lobyte(uint16_t x)
-{ return (uint8_t)(x & 0xff); }
-
-inline uint16_t
-uprv_hiword(uint32_t x)
-{ return (uint16_t)(x >> 16); }
-
-inline uint16_t
-uprv_loword(uint32_t x)
-{ return (uint16_t)(x & 0xffff); }
-
-inline void
-writeLong(FileStream *os,
- int32_t x)
-{
- uint16_t word = uprv_hiword((uint32_t)x);
- T_FileStream_putc(os, uprv_hibyte(word));
- T_FileStream_putc(os, uprv_lobyte(word));
- word = uprv_loword((uint32_t)x);
- T_FileStream_putc(os, uprv_hibyte(word));
- T_FileStream_putc(os, uprv_lobyte(word));
-}
-
-inline int32_t
-readLong(FileStream *is)
-{
- int32_t x = T_FileStream_getc(is);
-
- x = (x << 8) | T_FileStream_getc(is);
- x = (x << 8) | T_FileStream_getc(is);
- x = (x << 8) | T_FileStream_getc(is);
-
- return x;
-}
-
-inline void
-writeUChar(FileStream *os,
- UChar c)
-{
- T_FileStream_putc(os, uprv_hibyte(c));
- T_FileStream_putc(os, uprv_lobyte(c));
-}
-
-inline UChar
-readUChar(FileStream *is)
-{
- UChar c = (UChar)T_FileStream_getc(is);
-
- return (UChar)((c << 8) | T_FileStream_getc(is));
-}
-
-void
-UnicodeStringStreamer::streamOut(const UnicodeString *s,
- FileStream *os)
-{
- if(!T_FileStream_error(os)) {
- writeLong(os, s->fLength);
- }
-
- const UChar *c = s->getArrayStart();
- const UChar *end = c + s->fLength;
-
- while(c != end && ! T_FileStream_error(os)) {
- writeUChar(os, *c++);
- }
-}
-
-void
-UnicodeStringStreamer::streamIn(UnicodeString *s,
- FileStream *is)
-{
- int32_t newSize;
-
- // handle error conditions
- if(T_FileStream_error(is) || T_FileStream_eof(is)) {
- s->setToBogus();
- return;
- }
- newSize = readLong(is);
- if((newSize < 0) || T_FileStream_error(is)
- || ((newSize > 0) && T_FileStream_eof(is))) {
- s->setToBogus(); //error condition
- return;
- }
-
- // clone s's array, if needed
- if(!s->cloneArrayIfNeeded(newSize, newSize, FALSE)) {
- return;
- }
-
- UChar *c = s->getArrayStart();
- UChar *end = c + newSize;
-
- while(c < end && ! (T_FileStream_error(is) || T_FileStream_eof(is))) {
- *c++ = readUChar(is);
- }
-
- // couldn't read all chars
- if(c < end) {
- s->setToBogus();
- return;
- }
-
- s->fLength = newSize;
-}
-
-void
-UnicodeStringStreamer::streamOut(const UnicodeString *s,
- UMemoryStream *os)
-{
- if(!uprv_mstrm_error(os)) {
- uprv_mstrm_write(os, (uint8_t*)&s->fLength, (int32_t)sizeof(s->fLength));
- }
-
- const UChar *c = s->getArrayStart();
- const UChar *end = c + s->fLength;
-
- while(c != end && ! uprv_mstrm_error(os)) {
- uprv_mstrm_write(os, (uint8_t*)c, (int32_t)sizeof(*c));
- c++;
- }
-}
-
-void
-UnicodeStringStreamer::streamIn(UnicodeString *s,
- UMemoryStream *is)
-{
- int32_t newSize;
-
- // handle error conditions
- if(uprv_mstrm_error(is) || uprv_mstrm_eof(is)) {
- s->setToBogus();
- return;
- }
- uprv_mstrm_read(is, (uint8_t *)&newSize, (int32_t)sizeof(int32_t));
- if((newSize < 0) || uprv_mstrm_error(is)
- || ((newSize > 0) && uprv_mstrm_eof(is))) {
- s->setToBogus(); //error condition
- return;
- }
-
- // clone s's array, if needed
- if(!s->cloneArrayIfNeeded(newSize, newSize, FALSE)) {
- return;
- }
-
- UChar *c = s->getArrayStart();
- UChar *end = c + newSize;
-
- while(c < end && ! (uprv_mstrm_error(is) || uprv_mstrm_eof(is))) {
- uprv_mstrm_read(is, (uint8_t *)c, (int32_t)sizeof(*c));
- c++;
- }
-
- // couldn't read all chars
- if(c < end) {
- s->setToBogus();
- return;
- }
-
- s->fLength = newSize;
-}
-
-#endif
projects / apple / icu.git / blobdiff