diff options
Diffstat (limited to 'intl/icu/source/i18n/fphdlimp.cpp')
-rw-r--r-- | intl/icu/source/i18n/fphdlimp.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/fphdlimp.cpp b/intl/icu/source/i18n/fphdlimp.cpp new file mode 100644 index 000000000..6a004a668 --- /dev/null +++ b/intl/icu/source/i18n/fphdlimp.cpp @@ -0,0 +1,122 @@ +// Copyright (C) 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +******************************************************************************* +* Copyright (C) 2009-2015, International Business Machines Corporation and +* others. All Rights Reserved. +******************************************************************************* +*/ + +#include "unicode/utypes.h" + +#if !UCONFIG_NO_FORMATTING + +#include "fphdlimp.h" +#include "uvectr32.h" + +U_NAMESPACE_BEGIN + +// utility FieldPositionHandler +// base class, null implementation + +FieldPositionHandler::~FieldPositionHandler() { +} + +void +FieldPositionHandler::addAttribute(int32_t, int32_t, int32_t) { +} + +void +FieldPositionHandler::shiftLast(int32_t) { +} + +UBool +FieldPositionHandler::isRecording(void) const { + return FALSE; +} + + +// utility subclass FieldPositionOnlyHandler + +FieldPositionOnlyHandler::FieldPositionOnlyHandler(FieldPosition& _pos) + : pos(_pos) { +} + +FieldPositionOnlyHandler::~FieldPositionOnlyHandler() { +} + +void +FieldPositionOnlyHandler::addAttribute(int32_t id, int32_t start, int32_t limit) { + if (pos.getField() == id) { + pos.setBeginIndex(start); + pos.setEndIndex(limit); + } +} + +void +FieldPositionOnlyHandler::shiftLast(int32_t delta) { + if (delta != 0 && pos.getField() != FieldPosition::DONT_CARE && pos.getBeginIndex() != -1) { + pos.setBeginIndex(delta + pos.getBeginIndex()); + pos.setEndIndex(delta + pos.getEndIndex()); + } +} + +UBool +FieldPositionOnlyHandler::isRecording(void) const { + return pos.getField() != FieldPosition::DONT_CARE; +} + + +// utility subclass FieldPositionIteratorHandler + +FieldPositionIteratorHandler::FieldPositionIteratorHandler(FieldPositionIterator* posIter, + UErrorCode& _status) + : iter(posIter), vec(NULL), status(_status) { + if (iter && U_SUCCESS(status)) { + vec = new UVector32(status); + } +} + +FieldPositionIteratorHandler::~FieldPositionIteratorHandler() { + // setData adopts the vec regardless of status, so it's safe to null it + if (iter) { + iter->setData(vec, status); + } + // if iter is null, we never allocated vec, so no need to free it + vec = NULL; +} + +void +FieldPositionIteratorHandler::addAttribute(int32_t id, int32_t start, int32_t limit) { + if (iter && U_SUCCESS(status) && start < limit) { + int32_t size = vec->size(); + vec->addElement(id, status); + vec->addElement(start, status); + vec->addElement(limit, status); + if (!U_SUCCESS(status)) { + vec->setSize(size); + } + } +} + +void +FieldPositionIteratorHandler::shiftLast(int32_t delta) { + if (U_SUCCESS(status) && delta != 0) { + int32_t i = vec->size(); + if (i > 0) { + --i; + vec->setElementAt(delta + vec->elementAti(i), i); + --i; + vec->setElementAt(delta + vec->elementAti(i), i); + } + } +} + +UBool +FieldPositionIteratorHandler::isRecording(void) const { + return U_SUCCESS(status); +} + +U_NAMESPACE_END + +#endif /* !UCONFIG_NO_FORMATTING */ |