trait BufferingInputStreamParser extends BufferingByteParser
Defines common functionality to any parser that works on a java.io.InputStream
Allows you to look up individual bytes by index, take slices of byte ranges or strings, and drop old portions of buffered data once you are certain you no longer need them.
The buffer size is managed by allowing it to grow in size until it exceeds its
capacity. When that happens, one of two things happen:
- If the buffer has enough space, we left-shift the data in the buffer to over-write the portion that has already been dropped.
- If the buffer does not have enough space, we allocate a new buffer big enough to hold the new data we need to store (size a power of two multiple of the old size) and copy the data over, again shifted left .
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- abstract def inputStream: InputStream
- abstract def maxBufferStartSize: Int
- abstract def minBufferStartSize: Int
Concrete Value Members
- final def !=(arg0: Any): Boolean
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- final def ##: Int
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- final def ==(arg0: Any): Boolean
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- def appendBytesToBuilder(bytes: ByteBuilder, bytesStart: Int, bytesLength: Int): Unit
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- BufferingByteParser
- final def asInstanceOf[T0]: T0
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- def clone(): AnyRef
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- protected[lang]
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- def dropBufferUntil(i: Int): Unit
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- BufferingByteParser
- final def eq(arg0: AnyRef): Boolean
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- def equals(arg0: AnyRef): Boolean
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- def finalize(): Unit
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- @throws(classOf[java.lang.Throwable])
- def getBuffer: Array[Byte]
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- BufferingByteParser
- def getBufferCopyCount(): Int
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- BufferingByteParser
- def getBufferGrowCount(): Int
- Definition Classes
- BufferingByteParser
- def getBufferLength(): Int
- Definition Classes
- BufferingByteParser
- def getByteSafe(i: Int): Byte
- Definition Classes
- BufferingByteParser
- def getByteUnsafe(i: Int): Byte
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- BufferingByteParser
- final def getClass(): Class[_ <: AnyRef]
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- def getFirstIdx: Int
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- BufferingByteParser
- def getLastIdx: Int
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- BufferingByteParser
- def growBuffer(until: Int): Unit
Copies the non-dropped Bytes in the current buffer to the start of either the current buffer, or a newly-allocated larger buffer if necessary.
Copies the non-dropped Bytes in the current buffer to the start of either the current buffer, or a newly-allocated larger buffer if necessary.
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- BufferingByteParser
- def hashCode(): Int
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- final def ne(arg0: AnyRef): Boolean
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- final def notify(): Unit
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- def readDataIntoBuffer(buffer: Array[Byte], bufferOffset: Int): (Array[Byte], Boolean, Int)
- Definition Classes
- BufferingInputStreamParser → BufferingByteParser
- def requestUntil(until: Int): Boolean
Used to ensure that byteents up to until are available to read; returns whether or not we have read off the end of the input.
Used to ensure that byteents up to until are available to read; returns whether or not we have read off the end of the input.
In the fast path, when until is less than the lastIdx we have buffered, there is no work to do and we return false.
In the slow path, when until is more than lastIdx, we then run growBuffer to grow the buffer if necessary, and then readDataIntoBuffer to populate it. readDataIntoBuffer returns a
newDonevalue to indicate whether we have read off the end of the input or not.Note that for some subclasses, growBuffer may be a no-op when we already know we have reached the end of input.
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- BufferingByteParser
- def requestUntilGetSafeIndex(until: Int): Int
Used to ask for data up to a certain index, as a best effort (unlike requestUntil), returning the "safe index" which it was actually able to fetch data for.
Used to ask for data up to a certain index, as a best effort (unlike requestUntil), returning the "safe index" which it was actually able to fetch data for. This is used so the caller can use the safe index to know how far it is able to run getByteUnsafe calls without further checks, improving performance over calling getByteSafe every time which performs additional checks and logic
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- BufferingByteParser
- def sliceArr(i: Int, n: Int): (Array[Byte], Int, Int)
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- BufferingByteParser
- def sliceString(i: Int, k: Int): String
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- BufferingByteParser
- final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
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- def unsafeCharSeqForRange(start: Int, length: Int): WrapByteArrayCharSeq
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- BufferingByteParser
- final def wait(): Unit
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- final def wait(arg0: Long, arg1: Int): Unit
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- final def wait(arg0: Long): Unit
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