Thrift now a TLP - INFRA-3116

git-svn-id: https://svn.apache.org/repos/asf/thrift/branches/0.1.x@1028168 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/php/src/protocol/TBinaryProtocol.php b/lib/php/src/protocol/TBinaryProtocol.php
new file mode 100644
index 0000000..31bbbf9
--- /dev/null
+++ b/lib/php/src/protocol/TBinaryProtocol.php
@@ -0,0 +1,431 @@
+<?php
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ * @package thrift.protocol
+ */
+
+include_once $GLOBALS['THRIFT_ROOT'].'/transport/TBufferedTransport.php';
+
+/**
+ * Binary implementation of the Thrift protocol.
+ *
+ */
+class TBinaryProtocol extends TProtocol {
+
+  const VERSION_MASK = 0xffff0000;
+  const VERSION_1 = 0x80010000;
+
+  protected $strictRead_ = false;
+  protected $strictWrite_ = true;
+
+  public function __construct($trans, $strictRead=false, $strictWrite=true) {
+    parent::__construct($trans);
+    $this->strictRead_ = $strictRead;
+    $this->strictWrite_ = $strictWrite;
+  }
+
+  public function writeMessageBegin($name, $type, $seqid) {
+    if ($this->strictWrite_) {
+      $version = self::VERSION_1 | $type;
+      return
+        $this->writeI32($version) +
+        $this->writeString($name) +
+        $this->writeI32($seqid);
+    } else {
+      return
+        $this->writeString($name) +
+        $this->writeByte($type) +
+        $this->writeI32($seqid);
+    }
+  }
+
+  public function writeMessageEnd() {
+    return 0;
+  }
+
+  public function writeStructBegin($name) {
+    return 0;
+  }
+
+  public function writeStructEnd() {
+    return 0;
+  }
+
+  public function writeFieldBegin($fieldName, $fieldType, $fieldId) {
+    return
+      $this->writeByte($fieldType) +
+      $this->writeI16($fieldId);
+  }
+
+  public function writeFieldEnd() {
+    return 0;
+  }
+
+  public function writeFieldStop() {
+    return
+      $this->writeByte(TType::STOP);
+  }
+
+  public function writeMapBegin($keyType, $valType, $size) {
+    return
+      $this->writeByte($keyType) +
+      $this->writeByte($valType) +
+      $this->writeI32($size);
+  }
+
+  public function writeMapEnd() {
+    return 0;
+  }
+
+  public function writeListBegin($elemType, $size) {
+    return
+      $this->writeByte($elemType) +
+      $this->writeI32($size);
+  }
+
+  public function writeListEnd() {
+    return 0;
+  }
+
+  public function writeSetBegin($elemType, $size) {
+    return
+      $this->writeByte($elemType) +
+      $this->writeI32($size);
+  }
+
+  public function writeSetEnd() {
+    return 0;
+  }
+
+  public function writeBool($value) {
+    $data = pack('c', $value ? 1 : 0);
+    $this->trans_->write($data, 1);
+    return 1;
+  }
+
+  public function writeByte($value) {
+    $data = pack('c', $value);
+    $this->trans_->write($data, 1);
+    return 1;
+  }
+
+  public function writeI16($value) {
+    $data = pack('n', $value);
+    $this->trans_->write($data, 2);
+    return 2;
+  }
+
+  public function writeI32($value) {
+    $data = pack('N', $value);
+    $this->trans_->write($data, 4);
+    return 4;
+  }
+
+  public function writeI64($value) {
+    // If we are on a 32bit architecture we have to explicitly deal with
+    // 64-bit twos-complement arithmetic since PHP wants to treat all ints
+    // as signed and any int over 2^31 - 1 as a float
+    if (PHP_INT_SIZE == 4) {
+      $neg = $value < 0;
+
+      if ($neg) {
+        $value *= -1;
+      }
+
+      $hi = (int)($value / 4294967296);
+      $lo = (int)$value;
+
+      if ($neg) {
+        $hi = ~$hi;
+        $lo = ~$lo;
+        if (($lo & (int)0xffffffff) == (int)0xffffffff) {
+          $lo = 0;
+          $hi++;
+        } else {
+          $lo++;
+        }
+      }
+      $data = pack('N2', $hi, $lo);
+
+    } else {
+      $hi = $value >> 32;
+      $lo = $value & 0xFFFFFFFF;
+      $data = pack('N2', $hi, $lo);
+    }
+
+    $this->trans_->write($data, 8);
+    return 8;
+  }
+
+  public function writeDouble($value) {
+    $data = pack('d', $value);
+    $this->trans_->write(strrev($data), 8);
+    return 8;
+  }
+
+  public function writeString($value) {
+    $len = strlen($value);
+    $result = $this->writeI32($len);
+    if ($len) {
+      $this->trans_->write($value, $len);
+    }
+    return $result + $len;
+  }
+
+  public function readMessageBegin(&$name, &$type, &$seqid) {
+    $result = $this->readI32($sz);
+    if ($sz < 0) {
+      $version = (int) ($sz & self::VERSION_MASK);
+      if ($version != (int) self::VERSION_1) {
+        throw new TProtocolException('Bad version identifier: '.$sz, TProtocolException::BAD_VERSION);
+      }
+      $type = $sz & 0x000000ff;
+      $result +=
+        $this->readString($name) +
+        $this->readI32($seqid);
+    } else {
+      if ($this->strictRead_) {
+        throw new TProtocolException('No version identifier, old protocol client?', TProtocolException::BAD_VERSION);
+      } else {
+        // Handle pre-versioned input
+        $name = $this->trans_->readAll($sz);
+        $result +=
+          $sz +
+          $this->readByte($type) +
+          $this->readI32($seqid);
+      }
+    }
+    return $result;
+  }
+
+  public function readMessageEnd() {
+    return 0;
+  }
+
+  public function readStructBegin(&$name) {
+    $name = '';
+    return 0;
+  }
+
+  public function readStructEnd() {
+    return 0;
+  }
+
+  public function readFieldBegin(&$name, &$fieldType, &$fieldId) {
+    $result = $this->readByte($fieldType);
+    if ($fieldType == TType::STOP) {
+      $fieldId = 0;
+      return $result;
+    }
+    $result += $this->readI16($fieldId);
+    return $result;
+  }
+
+  public function readFieldEnd() {
+    return 0;
+  }
+
+  public function readMapBegin(&$keyType, &$valType, &$size) {
+    return
+      $this->readByte($keyType) +
+      $this->readByte($valType) +
+      $this->readI32($size);
+  }
+
+  public function readMapEnd() {
+    return 0;
+  }
+
+  public function readListBegin(&$elemType, &$size) {
+    return
+      $this->readByte($elemType) +
+      $this->readI32($size);
+  }
+
+  public function readListEnd() {
+    return 0;
+  }
+
+  public function readSetBegin(&$elemType, &$size) {
+    return
+      $this->readByte($elemType) +
+      $this->readI32($size);
+  }
+
+  public function readSetEnd() {
+    return 0;
+  }
+
+  public function readBool(&$value) {
+    $data = $this->trans_->readAll(1);
+    $arr = unpack('c', $data);
+    $value = $arr[1] == 1;
+    return 1;
+  }
+
+  public function readByte(&$value) {
+    $data = $this->trans_->readAll(1);
+    $arr = unpack('c', $data);
+    $value = $arr[1];
+    return 1;
+  }
+
+  public function readI16(&$value) {
+    $data = $this->trans_->readAll(2);
+    $arr = unpack('n', $data);
+    $value = $arr[1];
+    if ($value > 0x7fff) {
+      $value = 0 - (($value - 1) ^ 0xffff);
+    }
+    return 2;
+  }
+
+  public function readI32(&$value) {
+    $data = $this->trans_->readAll(4);
+    $arr = unpack('N', $data);
+    $value = $arr[1];
+    if ($value > 0x7fffffff) {
+      $value = 0 - (($value - 1) ^ 0xffffffff);
+    }
+    return 4;
+  }
+
+  public function readI64(&$value) {
+    $data = $this->trans_->readAll(8);
+
+    $arr = unpack('N2', $data);
+
+    // If we are on a 32bit architecture we have to explicitly deal with
+    // 64-bit twos-complement arithmetic since PHP wants to treat all ints
+    // as signed and any int over 2^31 - 1 as a float
+    if (PHP_INT_SIZE == 4) {
+
+      $hi = $arr[1];
+      $lo = $arr[2];
+      $isNeg = $hi  < 0;
+
+      // Check for a negative
+      if ($isNeg) {
+        $hi = ~$hi & (int)0xffffffff;
+        $lo = ~$lo & (int)0xffffffff;
+
+        if ($lo == (int)0xffffffff) {
+          $hi++;
+          $lo = 0;
+        } else {
+          $lo++;
+        }
+      }
+
+      // Force 32bit words in excess of 2G to pe positive - we deal wigh sign
+      // explicitly below
+
+      if ($hi & (int)0x80000000) {
+        $hi &= (int)0x7fffffff;
+        $hi += 0x80000000;
+      }
+
+      if ($lo & (int)0x80000000) {
+        $lo &= (int)0x7fffffff;
+        $lo += 0x80000000;
+      }
+
+      $value = $hi * 4294967296 + $lo;
+
+      if ($isNeg) {
+        $value = 0 - $value;
+      }
+    } else {
+
+      // Upcast negatives in LSB bit
+      if ($arr[2] & 0x80000000) {
+        $arr[2] = $arr[2] & 0xffffffff;
+      }
+
+      // Check for a negative
+      if ($arr[1] & 0x80000000) {
+        $arr[1] = $arr[1] & 0xffffffff;
+        $arr[1] = $arr[1] ^ 0xffffffff;
+        $arr[2] = $arr[2] ^ 0xffffffff;
+        $value = 0 - $arr[1]*4294967296 - $arr[2] - 1;
+      } else {
+        $value = $arr[1]*4294967296 + $arr[2];
+      }
+    }
+
+    return 8;
+  }
+
+  public function readDouble(&$value) {
+    $data = strrev($this->trans_->readAll(8));
+    $arr = unpack('d', $data);
+    $value = $arr[1];
+    return 8;
+  }
+
+  public function readString(&$value) {
+    $result = $this->readI32($len);
+    if ($len) {
+      $value = $this->trans_->readAll($len);
+    } else {
+      $value = '';
+    }
+    return $result + $len;
+  }
+}
+
+/**
+ * Binary Protocol Factory
+ */
+class TBinaryProtocolFactory implements TProtocolFactory {
+  private $strictRead_ = false;
+  private $strictWrite_ = false;
+
+  public function __construct($strictRead=false, $strictWrite=false) {
+    $this->strictRead_ = $strictRead;
+    $this->strictWrite_ = $strictWrite;
+  }
+
+  public function getProtocol($trans) {
+    return new TBinaryProtocol($trans, $this->strictRead, $this->strictWrite);
+  }
+}
+
+/**
+ * Accelerated binary protocol: used in conjunction with the thrift_protocol
+ * extension for faster deserialization
+ */
+class TBinaryProtocolAccelerated extends TBinaryProtocol {
+  public function __construct($trans, $strictRead=false, $strictWrite=true) {
+    // If the transport doesn't implement putBack, wrap it in a
+    // TBufferedTransport (which does)
+    if (!method_exists($trans, 'putBack')) {
+      $trans = new TBufferedTransport($trans);
+    }
+    parent::__construct($trans, $strictRead, $strictWrite);
+  }
+  public function isStrictRead() {
+    return $this->strictRead_;
+  }
+  public function isStrictWrite() {
+    return $this->strictWrite_;
+  }
+}
+
+?>