diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/common/charstr.cpp')
| -rw-r--r-- | deps/node/deps/icu-small/source/common/charstr.cpp | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/deps/node/deps/icu-small/source/common/charstr.cpp b/deps/node/deps/icu-small/source/common/charstr.cpp deleted file mode 100644 index 852cc539..00000000 --- a/deps/node/deps/icu-small/source/common/charstr.cpp +++ /dev/null @@ -1,192 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -******************************************************************************* -* Copyright (C) 2010-2015, International Business Machines -* Corporation and others. All Rights Reserved. -******************************************************************************* -* file name: charstr.cpp -* encoding: UTF-8 -* tab size: 8 (not used) -* indentation:4 -* -* created on: 2010may19 -* created by: Markus W. Scherer -*/ - -#include "unicode/utypes.h" -#include "unicode/putil.h" -#include "charstr.h" -#include "cmemory.h" -#include "cstring.h" -#include "uinvchar.h" - -U_NAMESPACE_BEGIN - -CharString::CharString(CharString&& src) U_NOEXCEPT - : buffer(std::move(src.buffer)), len(src.len) { - src.len = 0; // not strictly necessary because we make no guarantees on the source string -} - -CharString& CharString::operator=(CharString&& src) U_NOEXCEPT { - buffer = std::move(src.buffer); - len = src.len; - src.len = 0; // not strictly necessary because we make no guarantees on the source string - return *this; -} - -CharString &CharString::copyFrom(const CharString &s, UErrorCode &errorCode) { - if(U_SUCCESS(errorCode) && this!=&s && ensureCapacity(s.len+1, 0, errorCode)) { - len=s.len; - uprv_memcpy(buffer.getAlias(), s.buffer.getAlias(), len+1); - } - return *this; -} - -int32_t CharString::lastIndexOf(char c) const { - for(int32_t i=len; i>0;) { - if(buffer[--i]==c) { - return i; - } - } - return -1; -} - -CharString &CharString::truncate(int32_t newLength) { - if(newLength<0) { - newLength=0; - } - if(newLength<len) { - buffer[len=newLength]=0; - } - return *this; -} - -CharString &CharString::append(char c, UErrorCode &errorCode) { - if(ensureCapacity(len+2, 0, errorCode)) { - buffer[len++]=c; - buffer[len]=0; - } - return *this; -} - -CharString &CharString::append(const char *s, int32_t sLength, UErrorCode &errorCode) { - if(U_FAILURE(errorCode)) { - return *this; - } - if(sLength<-1 || (s==NULL && sLength!=0)) { - errorCode=U_ILLEGAL_ARGUMENT_ERROR; - return *this; - } - if(sLength<0) { - sLength= static_cast<int32_t>(uprv_strlen(s)); - } - if(sLength>0) { - if(s==(buffer.getAlias()+len)) { - // The caller wrote into the getAppendBuffer(). - if(sLength>=(buffer.getCapacity()-len)) { - // The caller wrote too much. - errorCode=U_INTERNAL_PROGRAM_ERROR; - } else { - buffer[len+=sLength]=0; - } - } else if(buffer.getAlias()<=s && s<(buffer.getAlias()+len) && - sLength>=(buffer.getCapacity()-len) - ) { - // (Part of) this string is appended to itself which requires reallocation, - // so we have to make a copy of the substring and append that. - return append(CharString(s, sLength, errorCode), errorCode); - } else if(ensureCapacity(len+sLength+1, 0, errorCode)) { - uprv_memcpy(buffer.getAlias()+len, s, sLength); - buffer[len+=sLength]=0; - } - } - return *this; -} - -char *CharString::getAppendBuffer(int32_t minCapacity, - int32_t desiredCapacityHint, - int32_t &resultCapacity, - UErrorCode &errorCode) { - if(U_FAILURE(errorCode)) { - resultCapacity=0; - return NULL; - } - int32_t appendCapacity=buffer.getCapacity()-len-1; // -1 for NUL - if(appendCapacity>=minCapacity) { - resultCapacity=appendCapacity; - return buffer.getAlias()+len; - } - if(ensureCapacity(len+minCapacity+1, len+desiredCapacityHint+1, errorCode)) { - resultCapacity=buffer.getCapacity()-len-1; - return buffer.getAlias()+len; - } - resultCapacity=0; - return NULL; -} - -CharString &CharString::appendInvariantChars(const UnicodeString &s, UErrorCode &errorCode) { - return appendInvariantChars(s.getBuffer(), s.length(), errorCode); -} - -CharString &CharString::appendInvariantChars(const UChar* uchars, int32_t ucharsLen, UErrorCode &errorCode) { - if(U_FAILURE(errorCode)) { - return *this; - } - if (!uprv_isInvariantUString(uchars, ucharsLen)) { - errorCode = U_INVARIANT_CONVERSION_ERROR; - return *this; - } - if(ensureCapacity(len+ucharsLen+1, 0, errorCode)) { - u_UCharsToChars(uchars, buffer.getAlias()+len, ucharsLen); - len += ucharsLen; - buffer[len] = 0; - } - return *this; -} - -UBool CharString::ensureCapacity(int32_t capacity, - int32_t desiredCapacityHint, - UErrorCode &errorCode) { - if(U_FAILURE(errorCode)) { - return FALSE; - } - if(capacity>buffer.getCapacity()) { - if(desiredCapacityHint==0) { - desiredCapacityHint=capacity+buffer.getCapacity(); - } - if( (desiredCapacityHint<=capacity || buffer.resize(desiredCapacityHint, len+1)==NULL) && - buffer.resize(capacity, len+1)==NULL - ) { - errorCode=U_MEMORY_ALLOCATION_ERROR; - return FALSE; - } - } - return TRUE; -} - -CharString &CharString::appendPathPart(StringPiece s, UErrorCode &errorCode) { - if(U_FAILURE(errorCode)) { - return *this; - } - if(s.length()==0) { - return *this; - } - char c; - if(len>0 && (c=buffer[len-1])!=U_FILE_SEP_CHAR && c!=U_FILE_ALT_SEP_CHAR) { - append(U_FILE_SEP_CHAR, errorCode); - } - append(s, errorCode); - return *this; -} - -CharString &CharString::ensureEndsWithFileSeparator(UErrorCode &errorCode) { - char c; - if(U_SUCCESS(errorCode) && len>0 && - (c=buffer[len-1])!=U_FILE_SEP_CHAR && c!=U_FILE_ALT_SEP_CHAR) { - append(U_FILE_SEP_CHAR, errorCode); - } - return *this; -} - -U_NAMESPACE_END |