1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/common/appendable.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,72 @@
1.4 +/*
1.5 +*******************************************************************************
1.6 +* Copyright (C) 2011-2012, International Business Machines
1.7 +* Corporation and others. All Rights Reserved.
1.8 +*******************************************************************************
1.9 +* file name: appendable.cpp
1.10 +* encoding: US-ASCII
1.11 +* tab size: 8 (not used)
1.12 +* indentation:4
1.13 +*
1.14 +* created on: 2010dec07
1.15 +* created by: Markus W. Scherer
1.16 +*/
1.17 +
1.18 +#include "unicode/utypes.h"
1.19 +#include "unicode/appendable.h"
1.20 +#include "unicode/utf16.h"
1.21 +
1.22 +U_NAMESPACE_BEGIN
1.23 +
1.24 +Appendable::~Appendable() {}
1.25 +
1.26 +UBool
1.27 +Appendable::appendCodePoint(UChar32 c) {
1.28 + if(c<=0xffff) {
1.29 + return appendCodeUnit((UChar)c);
1.30 + } else {
1.31 + return appendCodeUnit(U16_LEAD(c)) && appendCodeUnit(U16_TRAIL(c));
1.32 + }
1.33 +}
1.34 +
1.35 +UBool
1.36 +Appendable::appendString(const UChar *s, int32_t length) {
1.37 + if(length<0) {
1.38 + UChar c;
1.39 + while((c=*s++)!=0) {
1.40 + if(!appendCodeUnit(c)) {
1.41 + return FALSE;
1.42 + }
1.43 + }
1.44 + } else if(length>0) {
1.45 + const UChar *limit=s+length;
1.46 + do {
1.47 + if(!appendCodeUnit(*s++)) {
1.48 + return FALSE;
1.49 + }
1.50 + } while(s<limit);
1.51 + }
1.52 + return TRUE;
1.53 +}
1.54 +
1.55 +UBool
1.56 +Appendable::reserveAppendCapacity(int32_t /*appendCapacity*/) {
1.57 + return TRUE;
1.58 +}
1.59 +
1.60 +UChar *
1.61 +Appendable::getAppendBuffer(int32_t minCapacity,
1.62 + int32_t /*desiredCapacityHint*/,
1.63 + UChar *scratch, int32_t scratchCapacity,
1.64 + int32_t *resultCapacity) {
1.65 + if(minCapacity<1 || scratchCapacity<minCapacity) {
1.66 + *resultCapacity=0;
1.67 + return NULL;
1.68 + }
1.69 + *resultCapacity=scratchCapacity;
1.70 + return scratch;
1.71 +}
1.72 +
1.73 +// UnicodeStringAppendable is implemented in unistr.cpp.
1.74 +
1.75 +U_NAMESPACE_END
