C++ StringBuffer::ToString方法代码示例

void testAppendDoubleFloat()
{
    printf("\n==== Enter testAppendDoubleFloat ====\n");
    {
        Double d = Math::DOUBLE_MAX_VALUE;
        StringBuffer sb;
        String str;
//        sb.AppendDouble(d);
//        str = sb.ToString();
//        printf(" >> Append Double %e, %s\n", d, str.string());
//
//        d = Math::DOUBLE_MIN_VALUE;
//        sb.Reset();
//        sb.AppendDouble(d);
//        str = sb.ToString();
//        printf(" >> Append Double %e, %s\n", d, str.string());
//
//        d = 9999912345.54321;
//        sb.Reset();
//        sb.AppendDouble(d);
//        str = sb.ToString();
//        printf(" >> Append Double %e, %s\n", d, str.string());

        d = 2013.0806;
        sb.Reset();
        sb.AppendDouble(d);
        str = sb.ToString();
        printf(" >> Append Double %e, %s\n", d, str.string());

        float f = 2013.0806;
        sb.Reset();
        sb.AppendFloat(f);
        str = sb.ToString();
        printf(" >> Append Float %e, %s\n", f, str.string());

//        Float f = Math::FLOAT_MAX_VALUE;
//        sb.Reset();
//        sb.AppendFloat(f);
//        str = sb.ToString();
//        printf(" >> Append Float %e, %s\n", f, str.string());
//
//        f = Math::FLOAT_MIN_VALUE;
//        sb.Reset();
//        sb.AppendFloat(f);
//        str = sb.ToString();
//        printf(" >> Append Float %e, %s\n", f, str.string());
//
//        f = 12345.54321F;
//        sb.Reset();
//        sb.AppendFloat(f);
//        str = sb.ToString();
//        printf(" >> Append Float %f, %s\n", f, str.string());
    }

    printf("==== Leave testAppendDoubleFloat ====\n");
}

// @Override
ECode CWifiInfo::ToString(
    /* [out] */ String* str)
{
    StringBuffer sb;
    String none("<none>");

    sb.Append("SSID: ");
    String sidStr;
    mWifiSsid->ToString(&sidStr);
    sb.Append(mWifiSsid == NULL ? IWifiSsid::NONE : sidStr);
    sb.Append(", BSSID: ");
    sb.Append(mBSSID.IsNull() ? none : mBSSID);
    sb.Append(", MAC: ");
    sb.Append(mMacAddress.IsNull() ? none : mMacAddress);
    sb.Append(", Supplicant state: ");
    if (mSupplicantState == NULL) sb.Append(none);
    sb.Append(mSupplicantState);
    sb.Append(", RSSI: ");
    sb.Append(mRssi);
    sb.Append(", Link speed: ");
    sb.Append(mLinkSpeed);
    sb.Append(", Net ID: ");
    sb.Append(mNetworkId);
    sb.Append(", Metered hint: ");
    sb.AppendBoolean(mMeteredHint);

    *str = sb.ToString();
    return NOERROR;
}

//@Override
ECode CBatchedScanSettings::ToString(
    /* [out] */ String* str)
{
    VALIDATE_NOT_NULL(str);

    StringBuffer sb;
    String none("<none>");

    sb.Append("BatchScanSettings [maxScansPerBatch: ");
    if (mMaxScansPerBatch == UNSPECIFIED) {
        sb.Append(none);
    }
    else {
        sb.Append(mMaxScansPerBatch);
    }
    sb.Append(", maxApPerScan: ");
    if (mMaxScansPerBatch == UNSPECIFIED) {
        sb.Append(none);
    }
    else {
        sb.Append(mMaxApPerScan);
    }
    sb.Append(", scanIntervalSec: ");
    if (mMaxScansPerBatch == UNSPECIFIED) {
        sb.Append(none);
    }
    else {
        sb.Append(mScanIntervalSec);
    }
    sb.Append(", maxApForDistance: ");
    if (mMaxScansPerBatch == UNSPECIFIED) {
        sb.Append(none);
    }
    else {
        sb.Append(mMaxApForDistance);
    }
    sb.Append(", channelSet: ");
    if (mChannelSet == NULL) {
        sb.Append("ALL");
    }
    else {
        sb.Append("<");
        AutoPtr<IIterator> iter;
        mChannelSet->GetIterator((IIterator**)&iter);
        Boolean bNext;
        iter->HasNext(&bNext);
        for (; bNext; iter->HasNext(&bNext)) {
            AutoPtr<ICharSequence> channel;
            iter->GetNext((IInterface**)&channel);
            String str;
            channel->ToString(&str);
            sb.Append(" ");
            sb.Append(str);
        }
        sb.Append(">");
    }
    sb.Append("]");

    return sb.ToString(str);
}

ECode UsbAccessory::ToString(
    /* [out] */ String* str)
{
    VALIDATE_NOT_NULL(str);

    StringBuffer buf;
    buf += "UsbAccessory[mManufacturer=";
    buf += mManufacturer;

    buf += ", mModel=";
    buf += mModel;

    buf += ", mDescription=";
    buf += mDescription;

    buf += ", mVersion=";
    buf += mVersion;

    buf += ", mUri=";
    buf += mUri;

    buf += ", mSerial=";
    buf += mSerial;
    buf += "]";

    buf.ToString(str);
    return NOERROR;
}

ECode CUsbDevice::ToString(
    /* [out] */ String* str)
{
    VALIDATE_NOT_NULL(str);

    StringBuffer buf;
    buf += "UsbDevice[mName=";
    buf += mName;

    buf += ",mVendorId=";
    buf += mVendorId;

    buf += ",mProductId=";
    buf += mProductId;

    buf += ",mClass=";
    buf += mClass;

    buf += ",mSubclass=";
    buf += mSubclass;

    buf += ",mProtocol=";
    buf += mProtocol;
    buf += "]";

    buf.ToString(str);
    return NOERROR;
}

/**
 * Trim leading zeros from IPv4 address strings
 * Our base libraries will interpret that as octel..
 * Must leave non v4 addresses and host names alone.
 * For example, 192.168.000.010 -> 192.168.0.10
 * TODO - fix base libraries and remove this function
 * @param addr a string representing an ip addr
 * @return a string propertly trimmed
 */
String NetworkUtils::TrimV4AddrZeros(
    /* [in] */ const String& addr)
{
    if (addr.IsNull()) {
        return String(NULL);
    }

    AutoPtr<ArrayOf<String> > octets;
    StringUtils::Split(addr, String("\\."), (ArrayOf<String>**)&octets);
    if (octets->GetLength() != 4) {
        return addr;
    }
    StringBuffer buff;
    for (Int32 i = 0; i < 4; i++) {
//        try {
            if ((*octets)[i].GetLength() > 3) {
                return addr;
            }
            buff += (*octets)[i];
//        } catch (NumberFormatException e) {
//            return addr;
//        }
        if (i < 3)
            buff += String(".");
    }
    return buff.ToString();
}

ECode AttributedString::constructor(
    /* [in] */ IAttributedCharacterIterator* iterator)
{
    VALIDATE_NOT_NULL(iterator)
    ICharacterIterator* ci = ICharacterIterator::Probe(iterator);

    Int32 bi, ei;
    ci->GetBeginIndex(&bi);
    ci->GetEndIndex(&ei);
    if (bi > ei) {
        ALOGE("AttributedString::constructor(): IllegalArgumentException, invalid substring range.");
        //throw new IllegalArgumentException("Invalid substring range");
        return E_ILLEGAL_ARGUMENT_EXCEPTION;
    }

    StringBuffer buffer;
    for (Int32 i = bi; i < ei; i++) {
        Char32 cv, nv;
        ci->GetCurrent(&cv);
        buffer += cv;
        ci->GetNext(&nv);
    }
    buffer.ToString(&mText);

    AutoPtr<ISet> attributes;
    iterator->GetAllAttributeKeys((ISet**)&attributes);
    if (attributes == NULL) {
        return NOERROR;
    }

    AutoPtr<IIterator> it;
    attributes->GetIterator((IIterator**)&it);
    Boolean hasNext;
    IAttributedCharacterIteratorAttribute* attr;
    Char32 ch, cv;
    Int32 start, limit;
    while(it->HasNext(&hasNext), hasNext) {
        AutoPtr<IInterface> obj;
        it->GetNext((IInterface**)&obj);
        attr = IAttributedCharacterIteratorAttribute::Probe(obj);

        ci->SetIndex(0, &ch);
        while (ci->GetCurrent(&cv), cv != (Char32)ICharacterIterator::DONE) {
            iterator->GetRunStart(attr, &start);
            iterator->GetRunLimit(attr, &limit);
            AutoPtr<IInterface> value;
            iterator->GetAttribute(attr, (IInterface**)&value);
            if (value != NULL) {
                AddAttribute(attr, value, start, limit);
            }
            ci->SetIndex(limit, &ch);
        }
    }

    return NOERROR;
}

ECode CDispList::OnShowNext()
{
    // get the current showing item's index in the array.
    Int32 index = -1;
    AutoPtr<CDispListHelper> helper = GetHelper();
    AutoPtr<ArrayOf<IInteger32*> > array = helper->mShortCutArray;
    for(Int32 i = 0; i < array->GetLength(); i++)
    {
        AutoPtr<IInteger32> temp = (*array)[i];
        Int32 v;
        temp->GetValue(&v);
        if(v == mCurItem)
        {
            index = i;
            break;
        }
    }

    {
        String str;
        StringBuffer sb;
        sb += "current index = ";
        sb += index;
        sb.ToString(&str);
        Logger::D(IDispList::TAG, str);
    }

    if( index == -1 )
        return NOERROR;

    // get the index of the next item to be shown
    index++;
    if( index == array->GetLength() )
        index = 0;

    AutoPtr<IInteger32> key = (*array)[index];
    AutoPtr<IDispListDispFormat> format;
    HashMap<AutoPtr<IInteger32>, AutoPtr<IDispListDispFormat> >::Iterator it =
        helper->mShortCutFormatMap.Find(key);
    if(it != helper->mShortCutFormatMap.End())
    {
        format = it->mSecond;
    }
    return OnShowItem(format);
}

ECode CDispList::OnShowItem(
        /* [in] */ IDispListDispFormat* item)
{
    // get a item's string id
    AutoPtr<CDispListHelper> helper = GetHelper();
    Int32 advType;
    helper->GetAdvancedDisplayType(item, &advType);
    AutoPtr<IInteger32> key;
    CInteger32::New(advType, (IInteger32**)&key);

    AutoPtr<IInteger32> str_id;
    HashMap<AutoPtr<IInteger32>, AutoPtr<IInteger32> >::Iterator it =
        helper->mShortCutStrMap.Find(key);
    if(it != helper->mShortCutStrMap.End())
    {
        str_id = it->mSecond;
    }
    if( str_id == NULL ){
        String itemStr;
        item->ToString(&itemStr);
        StringBuffer sb;
        sb += "Fail in searching item = ";
        sb += itemStr;
        sb.ToString(&itemStr);
        Logger::D(IDispList::TAG, itemStr);
        return NOERROR;
    }

    // redraw TextView and show toast
    Int32 value;
    str_id->GetValue(&value);
    mToast->SetText(value);
    mToast->Show();
    // record the current showing item
    mCurItem = advType;
    return NOERROR;
}

void testMisc()
{
    printf("\n==== Leave testAutoPtr ====\n");
    {
        StringBuffer sb(20);
        String str;
        for (Int32 i = 0; i < 20; i++) {
            sb.AppendChar('A' + i);
        }

        str = sb.ToString();
        printf(" >> Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());

        sb.TrimToSize();
        printf(" >> Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());
    }

    {
        StringBuffer sb;
        String str;
        for (Int32 i = 0; i < 20; i++) {
            sb.AppendChar('A' + i);
        }

        sb.InsertString(0, String("0123456789"));
        str = sb.ToString();
        printf("\n >> InsertString Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());
    }

    {
        StringBuffer sb;
        String str;
        sb.AppendNULL();
        str = sb.ToString();
        printf("\n >> AppendNULL Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());
    }

    {
        StringBuffer sb(5);
        String str;
        for (Int32 i = 0; i < 5; ++i) {
            sb.AppendChar('1' + i);
        }
        str = sb.ToString();
        printf("\n >> BeforeReplace Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());

        sb.Replace(0, 5, String("ABCDE"));
        str = sb.ToString();
        printf(" >> AfterReplace Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());

        sb.Replace(0, 4, String("444"));
        str = sb.ToString();
        printf(" >> AfterReplace Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());

        sb.Replace(0, 3, String("UVWXYZ"));
        str = sb.ToString();
        printf(" >> AfterReplace Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());

        sb.Replace(0, 7, String("1234567"));
        str = sb.ToString();
        printf(" >> AfterReplace Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());

        sb.Replace(0, 0, String("ABC"));
        str = sb.ToString();
        printf(" >> AfterReplace Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());

        sb.Replace(0, 10, String("0123456789"));
        str = sb.ToString();
        printf(" >> AfterReplace Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());

        sb.Replace(10, 10, String("ABC"));
        str = sb.ToString();
        printf(" >> AfterReplace Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());

        sb.Replace(14, 18, String("XYZ"));
        str = sb.ToString();
        printf(" >> AfterReplace Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());
        sb.Replace(12, 13, String("0"));
        str = sb.ToString();
        printf(" >> AfterReplace Capacity %d, length %d, str: %s\n", sb.mCapacity, sb.GetLength(), str.string());
    }

    printf("==== Leave testAutoPtr ====\n");
}

void testStringBuffer()
{
    printf("==== Enter testStringBuffer ====\n");

    printf("\n === Construct === \n");

    StringBuffer sbc(String("Construct from String"));
    String str = sbc.ToString();
    printf(" > Construct:\n%s\n", (const char*)str);

    printf("\n === Append === \n");

    Char32 a = 'A';
    StringBuffer sb;
    ECode ec = sb.ToString(&str);
    printf(">> Get string from emtpy StringBuffer %s, %08x - %08x\n", str.string(), NOERROR, ec);

    sb.AppendCStr(">>Start\n");
    sb.AppendNULL();
    sb.AppendChar('_');
    sb.AppendChar(a);
    sb.AppendChar('_');
    sb.AppendBoolean(TRUE);
    sb.AppendChar('_');
    sb.AppendBoolean(FALSE);
    sb.AppendChar('_');
    sb.AppendInt32(32);
    sb.AppendChar('_');
    sb.AppendInt32(-32);
    sb.AppendChar('_');
    sb.AppendInt64(64);
    sb.AppendChar('_');
    sb.AppendInt64(-64);
    sb.AppendChar('_');
    sb.AppendFloat(10.0f);
    sb.AppendChar('_');
    sb.AppendDouble(101010.1010);
    sb.AppendChar('_');
    sb.AppendString(String("String"));
    sb.AppendCStr("\n<<End");

    str = sb.ToString();
    printf(" > AppendTest:\n%s\n", (const char*)str);


    printf("\n === Index ===\n");
    Int32 index = 0;
    String subStr("32");
    sb.IndexOf(subStr, &index);
    printf(" > IndexOf %s is %d\n", (const char*)subStr, index);

    subStr = String("_NOT_");
    sb.IndexOf(subStr, &index);
    printf(" > IndexOf %s is %d\n", (const char*)subStr, index);

    subStr = String("32");
    sb.LastIndexOf(subStr, &index);
    printf(" > LastIndexOf %s is %d\n", (const char*)subStr, index);

    subStr = String("_NOT_");
    sb.LastIndexOf(subStr, &index);
    printf(" > LastIndexOf %s is %d\n", (const char*)subStr, index);


    printf("\n === Substring ===\n");
    Int32 start = 30, end = 32;
    sb.Substring(start, &subStr);
    printf(" > Substring from %d is : %s\n", start, (const char*)subStr);
    sb.SubstringEx(start, end, &subStr);
    printf(" > Substring from %d to %d is : %s\n", start, end, (const char*)subStr);

    printf("\n === Get ===\n");
    Char32 ch = 0;
    sb.GetChar(start, &ch);
    printf(" > GetChar at %d is : %c\n", start, ch);
    sb.GetLength(&end);
    printf(" > GetLength is : %d\n", end);
    sb.GetByteCount(&end);
    printf(" > GetByteCount is : %d\n", end);
    sb.GetCapacity(&end);
    printf(" > GetCapacity is : %d\n", end);

    printf("\n === Set/Replace/Insert ===\n");
    sb.SetChar(13, 'B');
    sb.ToString(&str);
    printf(" > SetCharAt:\n%s\n", (const char*)str);
    sb.Replace(15, 15 + 4, String("Replace"));
    sb.ToString(&str);
    printf(" > Replace:\n%s\n", (const char*)str);
    sb.InsertString(15, String("Insert_"));
    sb.ToString(&str);
    printf(" > InsertString:\n%s\n", (const char*)str);
    sb.InsertString(0, String("HeadInsert_"));
    sb.ToString(&str);
    printf(" > InsertString in head:\n%s\n", (const char*)str);
    sb.InsertChar(19, '_');
    sb.ToString(&str);
    printf(" > InsertChar:\n%s\n", (const char*)str);
    sb.InsertBoolean(19, TRUE);
    sb.ToString(&str);
//.........这里部分代码省略.........