Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

106 lines (98 sloc) 3.685 kB
// Copyright (c) 2012, Cornell University
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of HyperDex nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// HyperDex
#include "datatypes/string.h"
bool
validate_as_string(const e::slice&)
{
return true;
}
uint8_t*
apply_string(const e::slice& old_value,
const microop* ops, size_t num_ops,
uint8_t* writeto, microerror* error)
{
uint8_t* const ptr = writeto;
size_t sz = old_value.size();
memmove(ptr, old_value.data(), sz);
for (size_t i = 0; i < num_ops; ++i)
{
if (ops[i].arg1_datatype != HYPERDATATYPE_STRING)
{
*error = MICROERR_WRONGTYPE;
return NULL;
}
if (!validate_as_string(ops[i].arg1))
{
*error = MICROERR_MALFORMED;
return NULL;
}
switch (ops[i].action)
{
case OP_SET:
// Overwrite
memmove(ptr, ops[i].arg1.data(), ops[i].arg1.size());
sz = ops[i].arg1.size();
break;
case OP_STRING_PREPEND:
// Shift
memmove(ptr + ops[i].arg1.size(), ptr, sz);
// Fill
memmove(ptr, ops[i].arg1.data(), ops[i].arg1.size());
// Resize
sz += ops[i].arg1.size();
break;
case OP_STRING_APPEND:
// Fill
memmove(ptr + sz, ops[i].arg1.data(), ops[i].arg1.size());
// Resize
sz += ops[i].arg1.size();
break;
case OP_FAIL:
case OP_NUM_ADD:
case OP_NUM_SUB:
case OP_NUM_MUL:
case OP_NUM_DIV:
case OP_NUM_MOD:
case OP_NUM_AND:
case OP_NUM_OR:
case OP_NUM_XOR:
case OP_LIST_LPUSH:
case OP_LIST_RPUSH:
case OP_SET_ADD:
case OP_SET_REMOVE:
case OP_SET_INTERSECT:
case OP_SET_UNION:
case OP_MAP_ADD:
case OP_MAP_REMOVE:
default:
*error = MICROERR_WRONGACTION;
return NULL;
}
}
return ptr + sz;
}
Jump to Line
Something went wrong with that request. Please try again.