2115

Committed 08 Mar 2024 02:33PM UTC coverage: 90.924% (+0.004%) from 90.92%

Build # 2115

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Commit Message

Merge pull request #7436 from realm/release/14.2.0

Release core v14.2.0

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98.72

/src/realm/array_blobs_big.cpp

/*************************************************************************
 *
 * Copyright 2016 Realm Inc.
 *
 * Licensed 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.
 *
 **************************************************************************/

#include <algorithm>

#include <realm/array_blobs_big.hpp>
#include <realm/column_integer.hpp>


using namespace realm;

BinaryData ArrayBigBlobs::get_at(size_t ndx, size_t& pos) const noexcept
{
    ref_type ref = get_as_ref(ndx);
    if (ref == 0)
        return {}; // realm::null();

    ArrayBlob blob(m_alloc);
    blob.init_from_ref(ref);

    return blob.get_at(pos);
}


void ArrayBigBlobs::add(BinaryData value, bool add_zero_term)
{
    REALM_ASSERT_7(value.size(), ==, 0, ||, value.data(), !=, 0);

    if (value.is_null()) {
        Array::add(0); // Throws
    }
    else {
        ArrayBlob new_blob(m_alloc);
        new_blob.create();                                                      // Throws
        ref_type ref = new_blob.add(value.data(), value.size(), add_zero_term); // Throws
        Array::add(from_ref(ref));                                              // Throws
    }
}


void ArrayBigBlobs::set(size_t ndx, BinaryData value, bool add_zero_term)
{
    REALM_ASSERT_3(ndx, <, size());
    REALM_ASSERT_7(value.size(), ==, 0, ||, value.data(), !=, 0);

    ref_type ref = get_as_ref(ndx);

    if (ref == 0 && value.is_null()) {
        return;
    }
    else if (ref == 0 && value.data() != nullptr) {
        ArrayBlob new_blob(m_alloc);
        new_blob.create();                                             // Throws
        ref = new_blob.add(value.data(), value.size(), add_zero_term); // Throws
        Array::set_as_ref(ndx, ref);
        return;
    }
    else if (ref != 0 && value.data() != nullptr) {
        char* header = m_alloc.translate(ref);
        if (Array::get_context_flag_from_header(header)) {
            Array arr(m_alloc);
            arr.init_from_mem(MemRef(header, ref, m_alloc));
            arr.set_parent(this, ndx);
            ref_type new_ref =
                arr.blob_replace(0, arr.blob_size(), value.data(), value.size(), add_zero_term); // Throws
            if (new_ref != ref) {
                Array::set_as_ref(ndx, new_ref);
            }
        }
        else {
            ArrayBlob blob(m_alloc);
            blob.init_from_mem(MemRef(header, ref, m_alloc));
            blob.set_parent(this, ndx);
            ref_type new_ref = blob.replace(0, blob.blob_size(), value.data(), value.size(), add_zero_term); // Throws
            if (new_ref != ref) {
                Array::set_as_ref(ndx, new_ref);
            }
        }
        return;
    }
    else if (ref != 0 && value.is_null()) {
        Array::destroy_deep(ref, get_alloc());
        Array::set(ndx, 0);
        return;
    }
    REALM_ASSERT(false);
}


void ArrayBigBlobs::insert(size_t ndx, BinaryData value, bool add_zero_term)
{
    REALM_ASSERT_3(ndx, <=, size());
    REALM_ASSERT_7(value.size(), ==, 0, ||, value.data(), !=, 0);

    if (value.is_null()) {
        Array::insert(ndx, 0); // Throws
    }
    else {
        ArrayBlob new_blob(m_alloc);
        new_blob.create();                                                      // Throws
        ref_type ref = new_blob.add(value.data(), value.size(), add_zero_term); // Throws

        Array::insert(ndx, int64_t(ref)); // Throws
    }
}


size_t ArrayBigBlobs::count(BinaryData value, bool is_string, size_t begin, size_t end) const noexcept
{
    size_t num_matches = 0;

    size_t begin_2 = begin;
    for (;;) {
        size_t ndx = find_first(value, is_string, begin_2, end);
        if (ndx == not_found)
            break;
        ++num_matches;
        begin_2 = ndx + 1;
    }

    return num_matches;
}


size_t ArrayBigBlobs::find_first(BinaryData value, bool is_string, size_t begin, size_t end) const noexcept
{
    if (end == npos)
        end = m_size;
    REALM_ASSERT_11(begin, <=, m_size, &&, end, <=, m_size, &&, begin, <=, end);

    // When strings are stored as blobs, they are always zero-terminated
    // but the value we get as input might not be.
    size_t value_size = value.size();
    size_t full_size = is_string ? value_size + 1 : value_size;

    if (value.is_null()) {
        for (size_t i = begin; i != end; ++i) {
            ref_type ref = get_as_ref(i);
            if (ref == 0)
                return i;
        }
    }
    else {
        for (size_t i = begin; i != end; ++i) {
            ref_type ref = get_as_ref(i);
            if (ref) {
                const char* blob_header = get_alloc().translate(ref);
                size_t sz = get_size_from_header(blob_header);
                if (sz == full_size) {
                    const char* blob_value = ArrayBlob::get(blob_header, 0);
                    if (std::equal(blob_value, blob_value + value_size, value.data()))
                        return i;
                }
            }
        }
    }

    return not_found;
}


void ArrayBigBlobs::find_all(IntegerColumn& result, BinaryData value, bool is_string, size_t add_offset, size_t begin,
                             size_t end)
{
    size_t begin_2 = begin;
    for (;;) {
        size_t ndx = find_first(value, is_string, begin_2, end);
        if (ndx == not_found)
            break;
        result.add(add_offset + ndx); // Throws
        begin_2 = ndx + 1;
    }
}



void ArrayBigBlobs::verify() const
{
#ifdef REALM_DEBUG
    REALM_ASSERT(has_refs());
    for (size_t i = 0; i < size(); ++i) {
        ref_type blob_ref = Array::get_as_ref(i);
        // 0 is used to indicate realm::null()
        if (blob_ref != 0) {
            ArrayBlob blob(m_alloc);
            blob.init_from_ref(blob_ref);
            blob.verify();
        }
    }
#endif
}


1	/*************************************************************************
2	*
3	* Copyright 2016 Realm Inc.
4	*
5	* Licensed under the Apache License, Version 2.0 (the "License");
6	* you may not use this file except in compliance with the License.
7	* You may obtain a copy of the License at
8	*
9	* http://www.apache.org/licenses/LICENSE-2.0
10	*
11	* Unless required by applicable law or agreed to in writing, software
12	* distributed under the License is distributed on an "AS IS" BASIS,
13	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14	* See the License for the specific language governing permissions and
15	* limitations under the License.
16	*
17	**************************************************************************/
18
19	#include <algorithm>
20
21	#include <realm/array_blobs_big.hpp>
22	#include <realm/column_integer.hpp>
23
24
25	using namespace realm;
26
27	BinaryData ArrayBigBlobs::get_at(size_t ndx, size_t& pos) const noexcept
28	{	371,805✔
29	ref_type ref = get_as_ref(ndx);	371,805✔
30	if (ref == 0)	371,805✔
31	return {}; // realm::null();	82,050✔
32		140,457✔
33	ArrayBlob blob(m_alloc);	289,755✔
34	blob.init_from_ref(ref);	289,755✔
35		140,457✔
36	return blob.get_at(pos);	289,755✔
37	}	289,755✔
38
39
40	void ArrayBigBlobs::add(BinaryData value, bool add_zero_term)
41	{	86,955✔
42	REALM_ASSERT_7(value.size(), ==, 0, \|\|, value.data(), !=, 0);	86,955✔
43		43,362✔
44	if (value.is_null()) {	86,955✔
45	Array::add(0); // Throws	33,735✔
46	}	33,735✔
47	else {	53,220✔
48	ArrayBlob new_blob(m_alloc);	53,220✔
49	new_blob.create(); // Throws	53,220✔
50	ref_type ref = new_blob.add(value.data(), value.size(), add_zero_term); // Throws	53,220✔
51	Array::add(from_ref(ref)); // Throws	53,220✔
52	}	53,220✔
53	}	86,955✔
54
55
56	void ArrayBigBlobs::set(size_t ndx, BinaryData value, bool add_zero_term)
57	{	5,488,947✔
58	REALM_ASSERT_3(ndx, <, size());	5,488,947✔
59	REALM_ASSERT_7(value.size(), ==, 0, \|\|, value.data(), !=, 0);	5,488,947✔
60		2,743,029✔
61	ref_type ref = get_as_ref(ndx);	5,488,947✔
62		2,743,029✔
63	if (ref == 0 && value.is_null()) {	5,488,947✔
64	return;	1,695✔
65	}	1,695✔
66	else if (ref == 0 && value.data() != nullptr) {	5,487,252✔
67	ArrayBlob new_blob(m_alloc);	1,389,441✔
68	new_blob.create(); // Throws	1,389,441✔
69	ref = new_blob.add(value.data(), value.size(), add_zero_term); // Throws	1,389,441✔
70	Array::set_as_ref(ndx, ref);	1,389,441✔
71	return;	1,389,441✔
72	}	1,389,441✔
73	else if (ref != 0 && value.data() != nullptr) {	4,098,771✔
74	char* header = m_alloc.translate(ref);	4,090,782✔
75	if (Array::get_context_flag_from_header(header)) {	4,090,782✔
76	Array arr(m_alloc);	6✔
77	arr.init_from_mem(MemRef(header, ref, m_alloc));	6✔
78	arr.set_parent(this, ndx);	6✔
79	ref_type new_ref =	6✔
80	arr.blob_replace(0, arr.blob_size(), value.data(), value.size(), add_zero_term); // Throws	6✔
81	if (new_ref != ref) {	6✔
82	Array::set_as_ref(ndx, new_ref);	×
83	}	×
84	}	6✔
85	else {	4,090,776✔
86	ArrayBlob blob(m_alloc);	4,090,776✔
87	blob.init_from_mem(MemRef(header, ref, m_alloc));	4,090,776✔
88	blob.set_parent(this, ndx);	4,090,776✔
89	ref_type new_ref = blob.replace(0, blob.blob_size(), value.data(), value.size(), add_zero_term); // Throws	4,090,776✔
90	if (new_ref != ref) {	4,090,776✔
91	Array::set_as_ref(ndx, new_ref);	3,726,573✔
92	}	3,726,573✔
93	}	4,090,776✔
94	return;	4,090,782✔
95	}	4,090,782✔
96	else if (ref != 0 && value.is_null()) {	7,950✔
97	Array::destroy_deep(ref, get_alloc());	7,950✔
98	Array::set(ndx, 0);	7,950✔
99	return;	7,950✔
100	}	7,950✔
101	REALM_ASSERT(false);	4,294,967,294✔
102	}	4,294,967,294✔
103
104
105	void ArrayBigBlobs::insert(size_t ndx, BinaryData value, bool add_zero_term)
106	{	2,401,890✔
107	REALM_ASSERT_3(ndx, <=, size());	2,401,890✔
108	REALM_ASSERT_7(value.size(), ==, 0, \|\|, value.data(), !=, 0);	2,401,890✔
109		1,186,908✔
110	if (value.is_null()) {	2,401,890✔
111	Array::insert(ndx, 0); // Throws	1,428,879✔
112	}	1,428,879✔
113	else {	973,011✔
114	ArrayBlob new_blob(m_alloc);	973,011✔
115	new_blob.create(); // Throws	973,011✔
116	ref_type ref = new_blob.add(value.data(), value.size(), add_zero_term); // Throws	973,011✔
117		473,307✔
118	Array::insert(ndx, int64_t(ref)); // Throws	973,011✔
119	}	973,011✔
120	}	2,401,890✔
121
122
123	size_t ArrayBigBlobs::count(BinaryData value, bool is_string, size_t begin, size_t end) const noexcept
124	{	12✔
125	size_t num_matches = 0;	12✔
126		6✔
127	size_t begin_2 = begin;	12✔
128	for (;;) {	48✔
129	size_t ndx = find_first(value, is_string, begin_2, end);	48✔
130	if (ndx == not_found)	48✔
131	break;	12✔
132	++num_matches;	36✔
133	begin_2 = ndx + 1;	36✔
134	}	36✔
135		6✔
136	return num_matches;	12✔
137	}	12✔
138
139
140	size_t ArrayBigBlobs::find_first(BinaryData value, bool is_string, size_t begin, size_t end) const noexcept
141	{	254,190✔
142	if (end == npos)	254,190✔
143	end = m_size;	108✔
144	REALM_ASSERT_11(begin, <=, m_size, &&, end, <=, m_size, &&, begin, <=, end);	254,190✔
145		126,933✔
146	// When strings are stored as blobs, they are always zero-terminated	126,933✔
147	// but the value we get as input might not be.	126,933✔
148	size_t value_size = value.size();	254,190✔
149	size_t full_size = is_string ? value_size + 1 : value_size;	254,163✔
150		126,933✔
151	if (value.is_null()) {	254,190✔
152	for (size_t i = begin; i != end; ++i) {	66,513✔
153	ref_type ref = get_as_ref(i);	66,507✔
154	if (ref == 0)	66,507✔
155	return i;	66,459✔
156	}	66,507✔
157	}	66,465✔
158	else {	187,725✔
159	for (size_t i = begin; i != end; ++i) {	2,528,634✔
160	ref_type ref = get_as_ref(i);	2,514,330✔
161	if (ref) {	2,514,330✔
162	const char* blob_header = get_alloc().translate(ref);	2,450,829✔
163	size_t sz = get_size_from_header(blob_header);	2,450,829✔
164	if (sz == full_size) {	2,450,829✔
165	const char* blob_value = ArrayBlob::get(blob_header, 0);	971,205✔
166	if (std::equal(blob_value, blob_value + value_size, value.data()))	971,205✔
167	return i;	173,421✔
168	}	971,205✔
169	}	2,450,829✔
170	}	2,514,330✔
171	}	187,725✔
172		126,933✔
173	return not_found;	134,085✔
174	}	254,190✔
175
176
177	void ArrayBigBlobs::find_all(IntegerColumn& result, BinaryData value, bool is_string, size_t add_offset, size_t begin,
178	size_t end)
179	{	12✔
180	size_t begin_2 = begin;	12✔
181	for (;;) {	48✔
182	size_t ndx = find_first(value, is_string, begin_2, end);	48✔
183	if (ndx == not_found)	48✔
184	break;	12✔
185	result.add(add_offset + ndx); // Throws	36✔
186	begin_2 = ndx + 1;	36✔
187	}	36✔
188	}	12✔
189
190
191
192	void ArrayBigBlobs::verify() const
193	{	66,627✔
194	#ifdef REALM_DEBUG	66,627✔
195	REALM_ASSERT(has_refs());	66,627✔
196	for (size_t i = 0; i < size(); ++i) {	11,369,601✔
197	ref_type blob_ref = Array::get_as_ref(i);	11,302,974✔
198	// 0 is used to indicate realm::null()	5,651,694✔
199	if (blob_ref != 0) {	11,303,082✔
200	ArrayBlob blob(m_alloc);	11,303,082✔
201	blob.init_from_ref(blob_ref);	11,303,082✔
202	blob.verify();	11,303,082✔
203	}	11,303,082✔
204	}	11,302,974✔
205	#endif	66,627✔
206	}	66,627✔
207

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