Add Beast fork from JUCE commit 265fb0e8ebc26e1469d6edcc68d2ca9acefeb508

modules/beast_core/streams/beast_InputStream.cpp

@@ -0,0 +1,231 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of Beast: https://github.com/vinniefalco/Beast
+    Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
+
+    Portions of this file are from JUCE.
+    Copyright (c) 2013 - Raw Material Software Ltd.
+    Please visit http://www.juce.com
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+int64 InputStream::getNumBytesRemaining()
+{
+    int64 len = getTotalLength();
+
+    if (len >= 0)
+        len -= getPosition();
+
+    return len;
+}
+
+char InputStream::readByte()
+{
+    char temp = 0;
+    read (&temp, 1);
+    return temp;
+}
+
+bool InputStream::readBool()
+{
+    return readByte() != 0;
+}
+
+short InputStream::readShort()
+{
+    char temp[2];
+
+    if (read (temp, 2) == 2)
+        return (short) ByteOrder::littleEndianShort (temp);
+
+    return 0;
+}
+
+short InputStream::readShortBigEndian()
+{
+    char temp[2];
+
+    if (read (temp, 2) == 2)
+        return (short) ByteOrder::bigEndianShort (temp);
+
+    return 0;
+}
+
+int InputStream::readInt()
+{
+    char temp[4];
+
+    if (read (temp, 4) == 4)
+        return (int) ByteOrder::littleEndianInt (temp);
+
+    return 0;
+}
+
+int InputStream::readIntBigEndian()
+{
+    char temp[4];
+
+    if (read (temp, 4) == 4)
+        return (int) ByteOrder::bigEndianInt (temp);
+
+    return 0;
+}
+
+int InputStream::readCompressedInt()
+{
+    const uint8 sizeByte = (uint8) readByte();
+    if (sizeByte == 0)
+        return 0;
+
+    const int numBytes = (sizeByte & 0x7f);
+    if (numBytes > 4)
+    {
+        jassertfalse;    // trying to read corrupt data - this method must only be used
+                       // to read data that was written by OutputStream::writeCompressedInt()
+        return 0;
+    }
+
+    char bytes[4] = { 0, 0, 0, 0 };
+    if (read (bytes, numBytes) != numBytes)
+        return 0;
+
+    const int num = (int) ByteOrder::littleEndianInt (bytes);
+    return (sizeByte >> 7) ? -num : num;
+}
+
+int64 InputStream::readInt64()
+{
+    union { uint8 asBytes[8]; uint64 asInt64; } n;
+
+    if (read (n.asBytes, 8) == 8)
+        return (int64) ByteOrder::swapIfBigEndian (n.asInt64);
+
+    return 0;
+}
+
+int64 InputStream::readInt64BigEndian()
+{
+    union { uint8 asBytes[8]; uint64 asInt64; } n;
+
+    if (read (n.asBytes, 8) == 8)
+        return (int64) ByteOrder::swapIfLittleEndian (n.asInt64);
+
+    return 0;
+}
+
+float InputStream::readFloat()
+{
+    // the union below relies on these types being the same size...
+    static_bassert (sizeof (int32) == sizeof (float));
+    union { int32 asInt; float asFloat; } n;
+    n.asInt = (int32) readInt();
+    return n.asFloat;
+}
+
+float InputStream::readFloatBigEndian()
+{
+    union { int32 asInt; float asFloat; } n;
+    n.asInt = (int32) readIntBigEndian();
+    return n.asFloat;
+}
+
+double InputStream::readDouble()
+{
+    union { int64 asInt; double asDouble; } n;
+    n.asInt = readInt64();
+    return n.asDouble;
+}
+
+double InputStream::readDoubleBigEndian()
+{
+    union { int64 asInt; double asDouble; } n;
+    n.asInt = readInt64BigEndian();
+    return n.asDouble;
+}
+
+String InputStream::readString()
+{
+    MemoryBlock buffer (256);
+    char* data = static_cast<char*> (buffer.getData());
+    size_t i = 0;
+
+    while ((data[i] = readByte()) != 0)
+    {
+        if (++i >= buffer.getSize())
+        {
+            buffer.setSize (buffer.getSize() + 512);
+            data = static_cast<char*> (buffer.getData());
+        }
+    }
+
+    return String::fromUTF8 (data, (int) i);
+}
+
+String InputStream::readNextLine()
+{
+    MemoryBlock buffer (256);
+    char* data = static_cast<char*> (buffer.getData());
+    size_t i = 0;
+
+    while ((data[i] = readByte()) != 0)
+    {
+        if (data[i] == '\n')
+            break;
+
+        if (data[i] == '\r')
+        {
+            const int64 lastPos = getPosition();
+
+            if (readByte() != '\n')
+                setPosition (lastPos);
+
+            break;
+        }
+
+        if (++i >= buffer.getSize())
+        {
+            buffer.setSize (buffer.getSize() + 512);
+            data = static_cast<char*> (buffer.getData());
+        }
+    }
+
+    return String::fromUTF8 (data, (int) i);
+}
+
+int InputStream::readIntoMemoryBlock (MemoryBlock& block, ssize_t numBytes)
+{
+    MemoryOutputStream mo (block, true);
+    return mo.writeFromInputStream (*this, numBytes);
+}
+
+String InputStream::readEntireStreamAsString()
+{
+    MemoryOutputStream mo;
+    mo << *this;
+    return mo.toString();
+}
+
+//==============================================================================
+void InputStream::skipNextBytes (int64 numBytesToSkip)
+{
+    if (numBytesToSkip > 0)
+    {
+        const int skipBufferSize = (int) bmin (numBytesToSkip, (int64) 16384);
+        HeapBlock<char> temp ((size_t) skipBufferSize);
+
+        while (numBytesToSkip > 0 && ! isExhausted())
+            numBytesToSkip -= read (temp, (int) bmin (numBytesToSkip, (int64) skipBufferSize));
+    }
+}