88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
// © 2018 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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// This file contains one implementation of FormattedValue.
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// Other independent implementations should go into their own cpp file for
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// better dependency modularization.
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#include "formattedval_impl.h"
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U_NAMESPACE_BEGIN
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FormattedValueFieldPositionIteratorImpl::FormattedValueFieldPositionIteratorImpl(
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int32_t initialFieldCapacity,
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UErrorCode& status)
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: fFields(initialFieldCapacity * 4, status) {
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}
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FormattedValueFieldPositionIteratorImpl::~FormattedValueFieldPositionIteratorImpl() = default;
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UnicodeString FormattedValueFieldPositionIteratorImpl::toString(
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UErrorCode&) const {
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return fString;
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}
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UnicodeString FormattedValueFieldPositionIteratorImpl::toTempString(
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UErrorCode&) const {
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UnicodeString ret;
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ret.fastCopyFrom(fString);
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return ret;
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}
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Appendable& FormattedValueFieldPositionIteratorImpl::appendTo(
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Appendable& appendable,
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UErrorCode&) const {
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appendable.appendString(fString.getBuffer(), fString.length());
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return appendable;
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}
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UBool FormattedValueFieldPositionIteratorImpl::nextPosition(
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ConstrainedFieldPosition& cfpos,
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UErrorCode&) const {
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U_ASSERT(fFields.size() % 4 == 0);
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int32_t numFields = fFields.size() / 4;
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int32_t i = cfpos.getInt64IterationContext();
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for (; i < numFields; i++) {
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UFieldCategory category = static_cast<UFieldCategory>(fFields.elementAti(i * 4));
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int32_t field = fFields.elementAti(i * 4 + 1);
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if (cfpos.matchesField(category, field)) {
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int32_t start = fFields.elementAti(i * 4 + 2);
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int32_t limit = fFields.elementAti(i * 4 + 3);
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cfpos.setState(category, field, start, limit);
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break;
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}
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}
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cfpos.setInt64IterationContext(i == numFields ? i : i + 1);
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return i < numFields;
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}
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FieldPositionIteratorHandler FormattedValueFieldPositionIteratorImpl::getHandler(
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UErrorCode& status) {
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return FieldPositionIteratorHandler(&fFields, status);
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}
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void FormattedValueFieldPositionIteratorImpl::appendString(
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UnicodeString string,
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UErrorCode& status) {
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if (U_FAILURE(status)) {
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return;
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}
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fString.append(string);
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// Make the string NUL-terminated
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if (fString.getTerminatedBuffer() == nullptr) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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}
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_FORMATTING */
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