| // © 2018 and later: Unicode, Inc. and others. |
| // License & terms of use: http://www.unicode.org/copyright.html |
| |
| #include "unicode/utypes.h" |
| |
| #if !UCONFIG_NO_FORMATTING |
| |
| // This file contains one implementation of FormattedValue. |
| // Other independent implementations should go into their own cpp file for |
| // better dependency modularization. |
| |
| #include "formattedval_impl.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| |
| FormattedValueFieldPositionIteratorImpl::FormattedValueFieldPositionIteratorImpl( |
| int32_t initialFieldCapacity, |
| UErrorCode& status) |
| : fFields(initialFieldCapacity * 4, status) { |
| } |
| |
| FormattedValueFieldPositionIteratorImpl::~FormattedValueFieldPositionIteratorImpl() = default; |
| |
| UnicodeString FormattedValueFieldPositionIteratorImpl::toString( |
| UErrorCode&) const { |
| return fString; |
| } |
| |
| UnicodeString FormattedValueFieldPositionIteratorImpl::toTempString( |
| UErrorCode&) const { |
| // The alias must point to memory owned by this object; |
| // fastCopyFrom doesn't do this when using a stack buffer. |
| return UnicodeString(TRUE, fString.getBuffer(), fString.length()); |
| } |
| |
| Appendable& FormattedValueFieldPositionIteratorImpl::appendTo( |
| Appendable& appendable, |
| UErrorCode&) const { |
| appendable.appendString(fString.getBuffer(), fString.length()); |
| return appendable; |
| } |
| |
| UBool FormattedValueFieldPositionIteratorImpl::nextPosition( |
| ConstrainedFieldPosition& cfpos, |
| UErrorCode&) const { |
| U_ASSERT(fFields.size() % 4 == 0); |
| int32_t numFields = fFields.size() / 4; |
| int32_t i = cfpos.getInt64IterationContext(); |
| for (; i < numFields; i++) { |
| UFieldCategory category = static_cast<UFieldCategory>(fFields.elementAti(i * 4)); |
| int32_t field = fFields.elementAti(i * 4 + 1); |
| if (cfpos.matchesField(category, field)) { |
| int32_t start = fFields.elementAti(i * 4 + 2); |
| int32_t limit = fFields.elementAti(i * 4 + 3); |
| cfpos.setState(category, field, start, limit); |
| break; |
| } |
| } |
| cfpos.setInt64IterationContext(i == numFields ? i : i + 1); |
| return i < numFields; |
| } |
| |
| |
| FieldPositionIteratorHandler FormattedValueFieldPositionIteratorImpl::getHandler( |
| UErrorCode& status) { |
| return FieldPositionIteratorHandler(&fFields, status); |
| } |
| |
| void FormattedValueFieldPositionIteratorImpl::appendString( |
| UnicodeString string, |
| UErrorCode& status) { |
| if (U_FAILURE(status)) { |
| return; |
| } |
| fString.append(string); |
| // Make the string NUL-terminated |
| if (fString.getTerminatedBuffer() == nullptr) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| } |
| |
| |
| U_NAMESPACE_END |
| |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |
