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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "resultclass.h"
#include "resultconfig.h"
#include <vespa/vespalib/stllike/hashtable.hpp>
#include <cassert>
#include <zlib.h>
namespace search::docsummary {
ResultClass::ResultClass(const char *name, uint32_t id, util::StringEnum & fieldEnum)
: _name(name),
_classID(id),
_entries(),
_nameMap(),
_fieldEnum(fieldEnum),
_enumMap(),
_dynInfo(NULL),
_omit_summary_features(false)
{ }
ResultClass::~ResultClass() = default;
int
ResultClass::GetIndexFromName(const char* name) const
{
NameIdMap::const_iterator found(_nameMap.find(name));
return (found != _nameMap.end()) ? found->second : -1;
}
bool
ResultClass::AddConfigEntry(const char *name, ResType type)
{
if (_nameMap.find(name) != _nameMap.end())
return false;
_nameMap[name] = _entries.size();
ResConfigEntry e;
e._type = type;
e._bindname = name;
e._enumValue = _fieldEnum.Add(name);
assert(e._enumValue >= 0);
_entries.push_back(e);
return true;
}
void
ResultClass::CreateEnumMap()
{
_enumMap.resize(_fieldEnum.GetNumEntries());
for (uint32_t i(0), m(_enumMap.size()); i < m; i++) {
_enumMap[i] = -1;
}
for (uint32_t i(0); i < _entries.size(); i++) {
_enumMap[_entries[i]._enumValue] = i;
}
}
bool
ResEntry::_extract_field(search::RawBuf *target) const
{
bool rc = true;
target->reset();
if (ResultConfig::IsVariableSize(_type)) {
if (_is_compressed()) { // COMPRESSED
uint32_t len = _get_length();
uint32_t realLen = 0;
if (len >= sizeof(uint32_t))
realLen = _get_real_length();
else
rc = false;
if (realLen > 0) {
uLongf rlen = realLen;
char *fillPos = target->GetWritableFillPos(realLen + 1 < 32000 ?
32000 : realLen + 1);
if ((uncompress((Bytef *)fillPos, &rlen,
(const Bytef *)(_get_compressed()),
len - sizeof(realLen)) == Z_OK) &&
rlen == realLen) {
fillPos[realLen] = '\0';
target->Fill(realLen);
} else {
rc = false;
}
}
} else { // UNCOMPRESSED
uint32_t len = _len;
if (len + 1 < 32000)
target->preAlloc(32000);
else
target->preAlloc(len + 1);
char *fillPos = target->GetWritableFillPos(len + 1 < 32000 ?
32000 : len + 1);
memcpy(fillPos, _pt, len);
fillPos[len] = '\0';
target->Fill(len);
}
}
return rc;
}
}
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