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Copy pathArrayVariant.cpp
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1120 lines (999 loc) · 30.1 KB
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Copy pathArrayVariant.cpp
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1120 lines (999 loc) · 30.1 KB
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// @copyright 2017-2018 zzu_softboy <zzu_softboy@163.com>
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
//
// Created by softboy on 2017/08/14.
#include "zapi/ds/ArrayVariant.h"
#include "zapi/ds/ArrayItemProxy.h"
#include "zapi/ds/internal/VariantPrivate.h"
#include <iostream>
#include <string>
#if ZEND_DEBUG
#define HASH_MASK_CONSISTENCY 0xc0
#define HT_OK 0x00
#define HT_IS_DESTROYING 0x40
#define HT_DESTROYED 0x80
#define HT_CLEANING 0xc0
static void _zend_is_inconsistent(const HashTable *ht, const char *file, int line)
{
if ((ht->u.flags & HASH_MASK_CONSISTENCY) == HT_OK) {
return;
}
switch ((ht->u.flags & HASH_MASK_CONSISTENCY)) {
case HT_IS_DESTROYING:
zend_output_debug_string(1, "%s(%d) : ht=%p is being destroyed", file, line, ht);
break;
case HT_DESTROYED:
zend_output_debug_string(1, "%s(%d) : ht=%p is already destroyed", file, line, ht);
break;
case HT_CLEANING:
zend_output_debug_string(1, "%s(%d) : ht=%p is being cleaned", file, line, ht);
break;
default:
zend_output_debug_string(1, "%s(%d) : ht=%p is inconsistent", file, line, ht);
break;
}
zapi_bailout();
}
#define IS_CONSISTENT(a) _zend_is_inconsistent(a, __FILE__, __LINE__);
#define SET_INCONSISTENT(n) do { \
(ht)->u.flags |= n; \
} while (0)
#else
#define IS_CONSISTENT(a)
#define SET_INCONSISTENT(n)
#endif
namespace
{
// copy from zend_operators.c
int hash_zval_identical_function(const void *z1, const void *z2)
{
zval result;
zval *zval1 = const_cast<zval *>(reinterpret_cast<const zval *>(z1));
zval *zval2 = const_cast<zval *>(reinterpret_cast<const zval *>(z2));
/* is_identical_function() returns 1 in case of identity and 0 in case
* of a difference;
* whereas this comparison function is expected to return 0 on identity,
* and non zero otherwise.
*/
ZVAL_DEREF(zval1);
ZVAL_DEREF(zval2);
if (is_identical_function(&result, zval1, zval2) == FAILURE) {
return 1;
}
return Z_TYPE(result) != IS_TRUE;
}
}
namespace zapi
{
namespace ds
{
using zapi::ds::internal::VariantPrivate;
// iterator class alias
using ArrayIterator = ArrayVariant::Iterator;
using ConstArrayIterator = ArrayVariant::ConstIterator;
ArrayVariant::ArrayVariant()
{
// constructor empty array
array_init(getUnDerefZvalPtr());
}
ArrayVariant::ArrayVariant(const ArrayVariant &other)
: Variant(other)
{
if (other.getUnDerefType() == Type::Reference) {
SEPARATE_ARRAY(getUnDerefZvalPtr());
}
}
ArrayVariant::ArrayVariant(ArrayVariant &other, bool isRef)
{
zval *self = getUnDerefZvalPtr();
if (!isRef) {
zval *otherPtr = other.getUnDerefZvalPtr();
stdCopyZval(self, const_cast<zval *>(otherPtr));
if (Z_TYPE_P(otherPtr) == IS_REFERENCE) {
SEPARATE_ARRAY(self);
}
} else {
zval *source = other.getUnDerefZvalPtr();
ZVAL_MAKE_REF(source);
ZVAL_COPY(self, source);
// if the reference array reference count > 1
// separate here
SEPARATE_ARRAY(getZvalPtr());
}
}
ArrayVariant::ArrayVariant(zval &other, bool isRef)
: ArrayVariant(&other, isRef)
{}
ArrayVariant::ArrayVariant(zval &&other, bool isRef)
: ArrayVariant(&other, isRef)
{}
ArrayVariant::ArrayVariant(zval *other, bool isRef)
{
zval *self = getUnDerefZvalPtr();
if (nullptr != other) {
if (isRef && (Z_TYPE_P(other) == IS_ARRAY ||
(Z_TYPE_P(other) == IS_REFERENCE && Z_TYPE_P(Z_REFVAL_P(other)) == IS_ARRAY))) {
SEPARATE_STRING(other);
ZVAL_MAKE_REF(other);
zend_reference *ref = Z_REF_P(other);
++GC_REFCOUNT(ref);
ZVAL_REF(self, ref);
} else if ((Z_TYPE_P(other) == IS_ARRAY ||
(Z_TYPE_P(other) == IS_REFERENCE && Z_TYPE_P(Z_REFVAL_P(other)) == IS_ARRAY))) {
ZVAL_DEREF(other);
ZVAL_COPY(self, other);
}else {
ZVAL_DUP(self, other);
convert_to_array(self);
}
} else {
array_init(self);
}
}
ArrayVariant::ArrayVariant(ArrayVariant &&other) ZAPI_DECL_NOEXCEPT
: Variant(std::move(other))
{}
ArrayVariant::ArrayVariant(const Variant &other)
{
zval *from = const_cast<zval *>(other.getZvalPtr());
zval *self = getUnDerefZvalPtr();
if (other.getType() == Type::Array) {
ZVAL_COPY(self, from);
} else {
zval temp;
ZVAL_DUP(&temp, from);
convert_to_array(&temp);
ZVAL_COPY_VALUE(self, &temp);
}
}
ArrayVariant::ArrayVariant(const std::initializer_list<Variant> &list)
: ArrayVariant()
{
for (const Variant &item : list) {
append(item);
}
}
ArrayVariant::ArrayVariant(const std::initializer_list<std::pair<Variant, Variant>> &list)
: ArrayVariant()
{
for(auto &item : list) {
Type type = item.first.getType();
if (type != Type::Long && type != Type::String) {
continue;
}
if (type == Type::Long) {
insert(Z_LVAL_P(item.first.getZvalPtr()), item.second);
} else {
insert(Z_STRVAL_P(item.first.getZvalPtr()), item.second);
}
}
}
ArrayVariant::ArrayVariant(const std::map<Variant, Variant, zapi::utils::VariantKeyLess> &map)
: ArrayVariant()
{
for(auto &item : map) {
Type type = item.first.getType();
if (type != Type::Long && type != Type::String) {
continue;
}
if (type == Type::Long) {
insert(Z_LVAL_P(item.first.getZvalPtr()), item.second);
} else {
insert(Z_STRVAL_P(item.first.getZvalPtr()), item.second);
}
}
}
ArrayVariant::ArrayVariant(Variant &&other)
: Variant(std::move(other))
{
if (getType() != Type::Array) {
convert_to_array(getUnDerefZvalPtr());
}
}
ArrayItemProxy ArrayVariant::operator [](zapi_ulong index)
{
return ArrayItemProxy(getZvalPtr(), index);
}
ArrayItemProxy ArrayVariant::operator [](const std::string &key)
{
return ArrayItemProxy(getZvalPtr(), key);
}
ArrayItemProxy ArrayVariant::operator [](const char *key)
{
return ArrayItemProxy(getZvalPtr(), key);
}
bool ArrayVariant::operator ==(const ArrayVariant &other) const
{
return this == &other ? true
: 0 == zend_compare_arrays(const_cast<zval *>(getZvalPtr()), const_cast<zval *>(other.getZvalPtr()));
}
bool ArrayVariant::operator !=(const ArrayVariant &other) const
{
return !operator ==(other);
}
ArrayVariant &ArrayVariant::operator =(const ArrayVariant &other)
{
if (this != &other) {
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
Variant::operator =(other);
}
return *this;
}
ArrayVariant &ArrayVariant::operator =(const Variant &other)
{
zval *self = getZvalPtr();
zval *from = const_cast<zval *>(other.getZvalPtr());
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(self);
}
// need set gc info
if (other.getType() == Type::Array) {
// standard copy
Variant::operator =(from);
} else {
zval temp;
// will increase 1 to gc refcount
ZVAL_DUP(&temp, from);
// will decrease 1 to gc refcount
convert_to_array(&temp);
// we need free original zend_array memory
zend_array_destroy(Z_ARR_P(self));
ZVAL_COPY_VALUE(self, &temp);
}
return *this;
}
bool ArrayVariant::strictEqual(const ArrayVariant &other) const
{
if (this == &other) {
return true;
}
return zend_hash_compare(getZendArrayPtr(), other.getZendArrayPtr(),
static_cast<compare_func_t>(hash_zval_identical_function), 1) == 0;
}
bool ArrayVariant::strictNotEqual(const ArrayVariant &other) const
{
return !strictEqual(other);
}
ArrayIterator ArrayVariant::insert(zapi_ulong index, const Variant &value)
{
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
zval *zvalPtr = const_cast<zval *>(value.getZvalPtr());
zval temp;
ZVAL_COPY(&temp, zvalPtr);
zend_array *selfArrPtr = getZendArrayPtr();
zval *valPtr = zend_hash_index_update(selfArrPtr, index, &temp);
if (valPtr) {
HashPosition pos = calculateIdxFromZval(valPtr);
return ArrayIterator(selfArrPtr, &pos);
} else {
return ArrayIterator(selfArrPtr, nullptr);
}
}
ArrayIterator ArrayVariant::insert(zapi_ulong index, Variant &&value)
{
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
zval *zvalPtr = value.getZvalPtr();
zval temp;
ZVAL_COPY_VALUE(&temp, zvalPtr);
std::memset(&value.m_implPtr->m_buffer, 0, sizeof(value.m_implPtr->m_buffer));
zend_array *selfArrPtr = getZendArrayPtr();
zval *valPtr = zend_hash_index_update(selfArrPtr, index, &temp);
if (valPtr) {
HashPosition pos = calculateIdxFromZval(valPtr);
return ArrayIterator(selfArrPtr, &pos);
} else {
return ArrayIterator(selfArrPtr, nullptr);
}
}
ArrayIterator ArrayVariant::insert(const std::string &key, const Variant &value)
{
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
zval *zvalPtr = const_cast<zval *>(value.getZvalPtr());
zval temp;
ZVAL_COPY(&temp, zvalPtr);
zend_array *selfArrPtr = getZendArrayPtr();
zval *valPtr = zend_hash_str_update(selfArrPtr, key.c_str(), key.length(), &temp);
if (valPtr) {
HashPosition pos = calculateIdxFromZval(valPtr);
return ArrayIterator(selfArrPtr, &pos);
} else {
return ArrayIterator(selfArrPtr, nullptr);
}
}
ArrayIterator ArrayVariant::insert(const std::string &key, Variant &&value)
{
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
zval *zvalPtr = value.getZvalPtr();
zval temp;
ZVAL_COPY_VALUE(&temp, zvalPtr);
std::memset(&value.m_implPtr->m_buffer, 0, sizeof(value.m_implPtr->m_buffer));
zend_array *selfArrPtr = getZendArrayPtr();
zval *valPtr = zend_hash_str_update(selfArrPtr, key.c_str(), key.length(), &temp);
if (valPtr) {
HashPosition pos = calculateIdxFromZval(valPtr);
return ArrayIterator(selfArrPtr, &pos);
} else {
return ArrayIterator(selfArrPtr, nullptr);
}
}
ArrayIterator ArrayVariant::append(const Variant &value)
{
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
zval *zvalPtr = const_cast<zval *>(value.getZvalPtr());
zval temp;
ZVAL_COPY(&temp, zvalPtr);
zend_array *selfArrPtr = getZendArrayPtr();
zval *valPtr = zend_hash_next_index_insert(selfArrPtr, &temp);
if (valPtr) {
HashPosition pos = calculateIdxFromZval(valPtr);
return ArrayIterator(selfArrPtr, &pos);
} else {
return ArrayIterator(selfArrPtr, nullptr);
}
}
ArrayIterator ArrayVariant::append(Variant &&value)
{
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
zval *zvalPtr = value.getZvalPtr();
zval temp;
ZVAL_COPY_VALUE(&temp, zvalPtr);
std::memset(&value.m_implPtr->m_buffer, 0, sizeof(value.m_implPtr->m_buffer));
zend_array *selfArrPtr = getZendArrayPtr();
zval *valPtr = zend_hash_next_index_insert(selfArrPtr, &temp);
if (valPtr) {
HashPosition pos = calculateIdxFromZval(valPtr);
return ArrayIterator(selfArrPtr, &pos);
} else {
return ArrayIterator(selfArrPtr, nullptr);
}
}
void ArrayVariant::clear() ZAPI_DECL_NOEXCEPT
{
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
zend_hash_clean(getZendArrayPtr());
}
bool ArrayVariant::remove(zapi_ulong index) ZAPI_DECL_NOEXCEPT
{
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
return zend_hash_index_del(getZendArrayPtr(), index) == ZAPI_SUCCESS;
}
bool ArrayVariant::remove(const std::string &key) ZAPI_DECL_NOEXCEPT
{
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
return zend_hash_str_del(getZendArrayPtr(), key.c_str(), key.length()) == ZAPI_SUCCESS;
}
ArrayVariant::Iterator ArrayVariant::erase(ConstIterator &iter)
{
if (getUnDerefType() != Type::Reference) {
SEPARATE_ZVAL_NOREF(getUnDerefZvalPtr());
}
zend_array *array = getZendArrayPtr();
// here we need check the iter check whether iter pointer this array
if (iter == cend() || array != iter.m_array) {
return iter;
}
Iterator nextIter = iter;
++nextIter;
KeyType key = iter.getKey();
int deleteStatus;
if (key.second) {
std::string *keyStr = key.second.get();
deleteStatus = zend_hash_str_del(array, keyStr->c_str(), keyStr->length());
} else {
deleteStatus = zend_hash_index_del(array, key.first);
}
if (ZAPI_FAILURE == deleteStatus) {
return iter;
}
return nextIter;
}
ArrayVariant::Iterator ArrayVariant::erase(Iterator &iter)
{
return erase(static_cast<ConstIterator &>(iter));
}
Variant ArrayVariant::take(const std::string &key)
{
Iterator iter = find(key);
Variant ret(iter.getValue());
if (iter != end()) {
remove(key);
}
return ret;
}
Variant ArrayVariant::take(zapi_ulong index)
{
Iterator iter = find(index);
Variant ret(iter.getValue());
if (iter != end()) {
remove(index);
}
return ret;
}
bool ArrayVariant::isEmpty() const ZAPI_DECL_NOEXCEPT
{
return 0 == getSize();
}
bool ArrayVariant::isNull() const ZAPI_DECL_NOEXCEPT
{
return false;
}
ArrayVariant::SizeType ArrayVariant::getSize() const ZAPI_DECL_NOEXCEPT
{
// @TODO here we just use zend_hash_num_elements or zend_array_count
return zend_hash_num_elements(getZendArrayPtr());
}
ArrayVariant::SizeType ArrayVariant::count() const ZAPI_DECL_NOEXCEPT
{
return getSize();
}
ArrayVariant::SizeType ArrayVariant::getCapacity() const ZAPI_DECL_NOEXCEPT
{
return getZendArrayPtr()->nTableSize;
}
Variant ArrayVariant::getValue(zapi_ulong index) const
{
zval *val = zend_hash_index_find(getZendArrayPtr(), index);
if (nullptr == val) {
zapi::notice << "Undefined offset: " << index << std::endl;
}
return val;
}
Variant ArrayVariant::getValue(const std::string &key) const
{
zval *val = zend_hash_str_find(getZendArrayPtr(), key.c_str(), key.length());
if (nullptr == val) {
zapi::notice << "Undefined index: " << key << std::endl;
}
return val;
}
bool ArrayVariant::contains(zapi_ulong index) const
{
return zend_hash_index_exists(getZendArrayPtr(), index) == 1;
}
bool ArrayVariant::contains(const std::string &key) const
{
return zend_hash_str_exists(getZendArrayPtr(), key.c_str(), key.length()) == 1;
}
zapi_long ArrayVariant::getNextInsertIndex() const
{
return getZendArrayPtr()->nNextFreeElement;
}
std::list<ArrayVariant::KeyType> ArrayVariant::getKeys() const
{
std::list<KeyType> keys;
zapi_ulong index;
zend_string *key;
zval *entry;
if (0 == getSize()) {
return keys;
}
ZEND_HASH_FOREACH_KEY_VAL_IND(getZendArrayPtr(), index, key, entry) {
if (key) {
keys.push_back(KeyType(-1, std::shared_ptr<std::string>(new std::string(ZSTR_VAL(key), ZSTR_LEN(key)))));
} else {
keys.push_back(KeyType(index, nullptr));
}
} ZEND_HASH_FOREACH_END();
return keys;
}
std::list<ArrayVariant::KeyType> ArrayVariant::getKeys(const Variant &value, bool strict) const
{
std::list<KeyType> keys;
zapi_ulong index;
zend_string *key;
zval *entry;
zval *searchValue = const_cast<zval *>(value.getZvalPtr());
if (0 == getSize()) {
return keys;
}
if (strict) {
ZEND_HASH_FOREACH_KEY_VAL_IND(getZendArrayPtr(), index, key, entry) {
ZVAL_DEREF(entry);
if (fast_is_identical_function(searchValue, entry)) {
if (key) {
keys.push_back(KeyType(-1, std::shared_ptr<std::string>(new std::string(ZSTR_VAL(key), ZSTR_LEN(key)))));
} else {
keys.push_back(KeyType(index, nullptr));
}
}
} ZEND_HASH_FOREACH_END();
} else {
ZEND_HASH_FOREACH_KEY_VAL_IND(getZendArrayPtr(), index, key, entry) {
if (fast_equal_check_function(searchValue, entry)) {
if (key) {
keys.push_back(KeyType(-1, std::shared_ptr<std::string>(new std::string(ZSTR_VAL(key), ZSTR_LEN(key)))));
} else {
keys.push_back(KeyType(index, nullptr));
}
}
} ZEND_HASH_FOREACH_END();
}
return keys;
}
std::list<Variant> ArrayVariant::getValues() const
{
std::list<Variant> values;
zval *entry;
if (0 == getSize()) {
return values;
}
ZEND_HASH_FOREACH_VAL(getZendArrayPtr(), entry) {
if (UNEXPECTED(Z_ISREF_P(entry) && Z_REFCOUNT_P(entry) == 1)) {
entry = Z_REFVAL_P(entry);
}
values.emplace_back(entry);
} ZEND_HASH_FOREACH_END();
return values;
}
ArrayIterator ArrayVariant::find(zapi_ulong index)
{
return static_cast<ArrayIterator>(static_cast<const ArrayVariant>(*this).find(index));
}
ArrayIterator ArrayVariant::find(const std::string &key)
{
return static_cast<ArrayIterator>(static_cast<const ArrayVariant>(*this).find(key));
}
ConstArrayIterator ArrayVariant::find(zapi_ulong index) const
{
zend_array *array = getZendArrayPtr();
Bucket *p;
IS_CONSISTENT(array);
uint32_t idx = HT_INVALID_IDX;
if (array->u.flags & HASH_FLAG_PACKED) {
if (index < array->nNumUsed) {
p = array->arData + index;
if (Z_TYPE(p->val) != IS_UNDEF) {
idx = index;
}
}
}
if (idx == HT_INVALID_IDX) {
idx = findArrayIdx(index);
}
if (idx == HT_INVALID_IDX) {
return end();
}
return ConstArrayIterator(array, &idx);
}
ConstArrayIterator ArrayVariant::find(const std::string &key) const
{
zend_array *array = getZendArrayPtr();
IS_CONSISTENT(array);
uint32_t idx = findArrayIdx(key);
if (idx == HT_INVALID_IDX) {
return end();
}
return ConstArrayIterator(array, &idx);
}
void ArrayVariant::map(Visitor visitor) const ZAPI_DECL_NOEXCEPT
{
zapi_ulong index;
zend_string *key;
zval *entry;
bool visitorRet = true;
ZEND_HASH_FOREACH_KEY_VAL_IND(getZendArrayPtr(), index, key, entry) {
if (key) {
visitorRet = visitor(KeyType(-1, std::shared_ptr<std::string>(new std::string(ZSTR_VAL(key), ZSTR_LEN(key)))), Variant(entry));
} else {
visitorRet = visitor(KeyType(index, nullptr), Variant(entry));
}
if (!visitorRet) {
return;
}
} ZEND_HASH_FOREACH_END();
}
ArrayIterator ArrayVariant::begin() ZAPI_DECL_NOEXCEPT
{
HashPosition pos = 0;
return ArrayIterator(getZendArrayPtr(), &pos);
}
ConstArrayIterator ArrayVariant::begin() const ZAPI_DECL_NOEXCEPT
{
HashPosition pos = 0;
return ConstArrayIterator(getZendArrayPtr(), &pos);
}
ConstArrayIterator ArrayVariant::cbegin() const ZAPI_DECL_NOEXCEPT
{
HashPosition pos = 0;
return ConstArrayIterator(getZendArrayPtr(), &pos);
}
ArrayIterator ArrayVariant::end() ZAPI_DECL_NOEXCEPT
{
return ArrayIterator(getZendArrayPtr(), nullptr);
}
ConstArrayIterator ArrayVariant::end() const ZAPI_DECL_NOEXCEPT
{
return ConstArrayIterator(getZendArrayPtr(), nullptr);
}
ConstArrayIterator ArrayVariant::cend() const ZAPI_DECL_NOEXCEPT
{
return ConstArrayIterator(getZendArrayPtr(), nullptr);
}
ArrayVariant::~ArrayVariant()
{}
_zend_array *ArrayVariant::getZendArrayPtr() const ZAPI_DECL_NOEXCEPT
{
return Z_ARR(getZval());
}
_zend_array &ArrayVariant::getZendArray() const ZAPI_DECL_NOEXCEPT
{
return *Z_ARR(getZval());
}
uint32_t ArrayVariant::calculateIdxFromZval(zval *val) const ZAPI_DECL_NOEXCEPT
{
zend_array *arr = getZendArrayPtr();
return (reinterpret_cast<char *>(val) - reinterpret_cast<char *>(arr->arData)) / sizeof(Bucket);
}
uint32_t ArrayVariant::findArrayIdx(const std::string &key) const ZAPI_DECL_NOEXCEPT
{
const char *keyStr = key.c_str();
size_t length = key.length();
zapi_ulong h = zend_inline_hash_func(key.c_str(), key.length());
uint32_t nIndex;
uint32_t idx;
zend_array *ht = getZendArrayPtr();
Bucket *p, *arData;
arData = ht->arData;
nIndex = h | ht->nTableMask;
idx = HT_HASH_EX(arData, nIndex);
while (idx != HT_INVALID_IDX) {
ZEND_ASSERT(idx < HT_IDX_TO_HASH(ht->nTableSize));
p = HT_HASH_TO_BUCKET_EX(arData, idx);
if ((p->h == h)
&& p->key
&& (ZSTR_LEN(p->key) == length)
&& !memcmp(ZSTR_VAL(p->key), keyStr, length)) {
return idx;
}
idx = Z_NEXT(p->val);
}
return HT_INVALID_IDX;
}
uint32_t ArrayVariant::findArrayIdx(zapi_ulong index) const ZAPI_DECL_NOEXCEPT
{
uint32_t nIndex;
uint32_t idx;
Bucket *p, *arData;
zend_array *ht = getZendArrayPtr();
arData = ht->arData;
nIndex = index | ht->nTableMask;
idx = HT_HASH_EX(arData, nIndex);
while (idx != HT_INVALID_IDX) {
ZEND_ASSERT(idx < HT_IDX_TO_HASH(ht->nTableSize));
p = HT_HASH_TO_BUCKET_EX(arData, idx);
if (p->h == index && !p->key) {
return idx;
}
idx = Z_NEXT(p->val);
}
return HT_INVALID_IDX;
}
// iterator classes
ArrayIterator::Iterator(_zend_array *array, HashPosition *pos)
: m_array(array),
m_isEnd(nullptr != pos ? false : true)
{
ZAPI_ASSERT_X(m_array != nullptr, "ArrayVariant::Iterator", "m_array can't be nullptr");
if (!m_isEnd) {
if (0 == *pos) {
// auto detect
zend_hash_internal_pointer_reset_ex(m_array, pos);
}
m_idx = zend_hash_iterator_add(m_array, *pos);
}
}
ArrayIterator::Iterator(const Iterator &other)
{
// manual copy if not end iterator
// we create a new iterator here
m_isEnd = other.m_isEnd;
m_array = other.m_array;
if (!m_isEnd) {
HashPosition otherPos = zend_hash_iterator_pos(other.m_idx, other.m_array);
m_idx = zend_hash_iterator_add(m_array, otherPos);
}
}
ArrayIterator::Iterator(Iterator &&other) ZAPI_DECL_NOEXCEPT
{
m_isEnd = other.m_isEnd;
m_array = other.m_array;
m_idx = other.m_idx;
// prevent relase iterator
other.m_isEnd = true;
}
ArrayIterator::~Iterator()
{
if (!m_isEnd) {
zend_hash_iterator_del(m_idx);
}
}
Variant ArrayIterator::getValue() const
{
return getZvalPtr();
}
ArrayIterator::ZvalReference ArrayIterator::getZval() const
{
HashPosition pos = getCurrentPos();
zval *valPtr = zend_hash_get_current_data_ex(m_array, &pos);
ZAPI_ASSERT_X(valPtr != nullptr, "ArrayVariant::Iterator::getZval", "can't apply * operator on nullptr");
return *valPtr;
}
ArrayIterator::ZvalPointer ArrayIterator::getZvalPtr() const
{
HashPosition pos = getCurrentPos();
return zend_hash_get_current_data_ex(m_array, &pos);
}
ArrayVariant::KeyType ArrayIterator::getKey() const
{
ZAPI_ASSERT_X(m_array != nullptr, "ArrayVariant::Iterator::getKey", "m_array can't be nullptr");
zend_string *keyStr;
zapi_ulong index;
HashPosition pos = getCurrentPos();
int keyType = zend_hash_get_current_key_ex(m_array, &keyStr, &index, &pos);
ZAPI_ASSERT_X(keyType != HASH_KEY_NON_EXISTENT, "ArrayVariant::Iterator::getKey", "Key can't not exist");
if (HASH_KEY_IS_STRING == keyType) {
return KeyType(-1, std::shared_ptr<std::string>(new std::string(ZSTR_VAL(keyStr), ZSTR_LEN(keyStr))));
} else {
return KeyType(index, nullptr);
}
}
HashPosition ArrayIterator::getCurrentPos() const
{
if (m_isEnd) {
return HT_INVALID_IDX;
}
return zend_hash_iterator_pos(m_idx, m_array);
}
// operators
ArrayIterator::ZvalReference ArrayIterator::operator *()
{
return getZval();
}
ArrayIterator::ZvalPointer ArrayIterator::operator->()
{
return getZvalPtr();
}
ArrayIterator &ArrayIterator::operator =(const ArrayIterator &other)
{
if (this != &other) {
m_array = other.m_array;
if (!other.m_isEnd && m_isEnd) {
m_isEnd = false;
HashPosition otherPos = zend_hash_iterator_pos(other.m_idx, other.m_array);
m_idx = zend_hash_iterator_add(m_array, otherPos);
} else if (!other.m_isEnd && !m_isEnd) {
EG(ht_iterators)[m_idx].pos = zend_hash_iterator_pos(other.m_idx, other.m_array);
EG(ht_iterators)[m_idx].ht = other.m_array;
} else if (other.m_isEnd && !m_isEnd) {
m_isEnd = true;
zend_hash_iterator_del(m_idx);
m_idx = -1;
}
}
return *this;
}
ArrayIterator &ArrayIterator::operator =(ArrayIterator &&other) ZAPI_DECL_NOEXCEPT
{
assert(this != &other);
m_array = other.m_array;
if (!other.m_isEnd && m_isEnd) {
std::swap(m_isEnd, other.m_isEnd);
std::swap(m_idx, other.m_idx);
} else if (!other.m_isEnd && !m_isEnd) {
EG(ht_iterators)[m_idx].pos = zend_hash_iterator_pos(other.m_idx, other.m_array);
EG(ht_iterators)[m_idx].ht = other.m_array;
} else if (other.m_isEnd && !m_isEnd) {
std::swap(m_isEnd, other.m_isEnd);
std::swap(m_idx, other.m_idx);
}
return *this;
}
bool ArrayIterator::operator ==(const ArrayIterator &other)
{
return m_array == other.m_array &&
getCurrentPos() == other.getCurrentPos();
}
bool ArrayIterator::operator !=(const ArrayIterator &other)
{
return m_array != other.m_array ||
getCurrentPos() != other.getCurrentPos();
}
ArrayIterator &ArrayIterator::operator ++()
{
ZAPI_ASSERT_X(m_array != nullptr, "ArrayVariant::Iterator", "m_array can't be nullptr");
HashPosition pos = getCurrentPos();
int result = zend_hash_move_forward_ex(m_array, &pos);
ZAPI_ASSERT_X(result == ZAPI_SUCCESS, "ArrayVariant::Iterator", "Iterating beyond end()");
EG(ht_iterators)[m_idx].pos = pos;
return *this;
}
ArrayIterator ArrayIterator::operator ++(int)
{
ArrayIterator iter = *this;
ZAPI_ASSERT_X(m_array != nullptr, "ArrayVariant::Iterator", "m_array can't be nullptr");
HashPosition pos = getCurrentPos();
int result = zend_hash_move_forward_ex(m_array, &pos);
ZAPI_ASSERT_X(result == ZAPI_SUCCESS, "ArrayVariant::Iterator", "Iterating beyond end()");
EG(ht_iterators)[m_idx].pos = pos;
return iter;
}
ArrayIterator &ArrayIterator::operator --()
{
ZAPI_ASSERT_X(m_array != nullptr, "ArrayVariant::Iterator", "m_array can't be nullptr");
HashPosition pos = getCurrentPos();
int result = zend_hash_move_backwards_ex(m_array, &pos);
ZAPI_ASSERT_X(result == ZAPI_SUCCESS, "ArrayVariant::Iterator", "Iterating beyond end()");
EG(ht_iterators)[m_idx].pos = pos;
return *this;
}
ArrayIterator ArrayIterator::operator --(int)
{
ArrayIterator iter = *this;
ZAPI_ASSERT_X(m_array != nullptr, "ArrayVariant::Iterator", "m_array can't be nullptr");
HashPosition pos = getCurrentPos();
int result = zend_hash_move_backwards_ex(m_array, &pos);
ZAPI_ASSERT_X(result == ZAPI_SUCCESS, "ArrayVariant::Iterator", "Iterating beyond end()");
EG(ht_iterators)[m_idx].pos = pos;
return iter;
}
ArrayIterator ArrayIterator::operator +(int32_t step) const
{
Iterator iter = *this;
if (step > 0) {
while (step--) {
++iter;
}
} else {
while (step++) {
--iter;
}
}
return iter;
}
ArrayIterator ArrayIterator::operator -(int32_t step) const
{
return operator +(-step);
}
ArrayIterator &ArrayIterator::operator +=(int32_t step)
{
*this = *this + step;
return *this;
}
ArrayIterator &ArrayIterator::operator -=(int32_t step)
{
*this = *this - step;
return *this;
}
ConstArrayIterator::ConstIterator(_zend_array *array, HashPosition *pos)
: Iterator(array, pos)
{}
ConstArrayIterator::ConstIterator(const ConstIterator &other)