Method writeValue

Fleece/Core/Encoder.cc:474–539

    void Encoder::writeValue(const Value *value,
                             const SharedKeys* &sk,
                             const WriteValueFunc *writeNestedValue)
    {
        if (valueIsInBase(value) && !isNarrowValue(value)) {
            auto minVal = minUsed(value);
            if (minVal >= _baseCutoff) {
                // Value is in the base data, and close enough; I can just emit a pointer to it:
                writePointer( (ssize_t)value - (ssize_t)_base.end() );
                if (minVal && minVal < _baseMinUsed)
                    _baseMinUsed = minVal;
                return;
            }
        }
        switch (value->tag()) {
            case kShortIntTag:
            case kIntTag:
            case kFloatTag:
            case kSpecialTag: {
                size_t size = value->dataSize();
                memcpy(placeValue<true>(size), value, size);
                break;
            }
            case kStringTag:
                writeString(value->asString());
                break;
            case kBinaryTag:
                writeData(value->asData());
                break;
            case kArrayTag: {
                ++_copyingCollection;
                auto iter = value->asArray()->begin();
                beginArray(iter.count());
                for (; iter; ++iter) {
                    if (!writeNestedValue || !(*writeNestedValue)(nullptr, iter.value()))
                        writeValue(iter.value(), sk, writeNestedValue);
                }
                endArray();
                --_copyingCollection;
                break;
            }
            case kDictTag: {
                ++_copyingCollection;
                auto dict = (const Dict*)value;
                if (dict->isMutable()) {
                    dict->heapDict()->writeTo(*this/*, writeNestedValue*/);
                } else {
                    auto iter = dict->begin();
                    beginDictionary(iter.count());
                    for (; iter; ++iter) {
                        if (!writeNestedValue || !(*writeNestedValue)(iter.key(), iter.value())) {
                            if (!sk && iter.key()->isInteger())
                                sk = value->sharedKeys();
                            writeKey(iter.key(), sk);
                            writeValue(iter.value(), sk, writeNestedValue);
                        }
                    }
                    endDictionary();