/src/icu/source/common/uvectr32.cpp

Source (jump to first uncovered line)
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
* Copyright (C) 1999-2015, International Business Machines Corporation and
* others. All Rights Reserved.
******************************************************************************
*   Date        Name        Description
*   10/22/99    alan        Creation.
**********************************************************************
*/

#include "uvectr32.h"
#include "cmemory.h"
#include "putilimp.h"

U_NAMESPACE_BEGIN

#define DEFAULT_CAPACITY 8

/*
 * Constants for hinting whether a key is an integer
 * or a pointer.  If a hint bit is zero, then the associated
 * token is assumed to be an integer. This is needed for iSeries
 */
 
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(UVector32)

UVector32::UVector32(UErrorCode &status) :
    count(0),
    capacity(0),
    maxCapacity(0),
    elements(NULL)
{
    _init(DEFAULT_CAPACITY, status);
}

UVector32::UVector32(int32_t initialCapacity, UErrorCode &status) :
    count(0),
    capacity(0),
    maxCapacity(0),
    elements(0)
{
    _init(initialCapacity, status);
}



void UVector32::_init(int32_t initialCapacity, UErrorCode &status) {
    // Fix bogus initialCapacity values; avoid malloc(0)
    if (initialCapacity < 1) {
        initialCapacity = DEFAULT_CAPACITY;
    }
    if (maxCapacity>0 && maxCapacity<initialCapacity) {
        initialCapacity = maxCapacity;
    }
    if (initialCapacity > (int32_t)(INT32_MAX / sizeof(int32_t))) {
        initialCapacity = uprv_min(DEFAULT_CAPACITY, maxCapacity);
    }
    elements = (int32_t *)uprv_malloc(sizeof(int32_t)*initialCapacity);
    if (elements == 0) {
        status = U_MEMORY_ALLOCATION_ERROR;
    } else {
        capacity = initialCapacity;
    }
}

UVector32::~UVector32() {
    uprv_free(elements);
    elements = 0;
}

/**
 * Assign this object to another (make this a copy of 'other').
 */
void UVector32::assign(const UVector32& other, UErrorCode &ec) {
    if (ensureCapacity(other.count, ec)) {
        setSize(other.count);
        for (int32_t i=0; i<other.count; ++i) {
            elements[i] = other.elements[i];
        }
    }
}


bool UVector32::operator==(const UVector32& other) {
    int32_t i;
    if (count != other.count) return FALSE;
    for (i=0; i<count; ++i) {
        if (elements[i] != other.elements[i]) {
            return FALSE;
        }
    }
    return TRUE;
}


void UVector32::setElementAt(int32_t elem, int32_t index) {
    if (0 <= index && index < count) {
        elements[index] = elem;
    }
    /* else index out of range */
}

void UVector32::insertElementAt(int32_t elem, int32_t index, UErrorCode &status) {
    // must have 0 <= index <= count
    if (0 <= index && index <= count && ensureCapacity(count + 1, status)) {
        for (int32_t i=count; i>index; --i) {
            elements[i] = elements[i-1];
        }
        elements[index] = elem;
        ++count;
    }
    /* else index out of range */
}

UBool UVector32::containsAll(const UVector32& other) const {
    for (int32_t i=0; i<other.size(); ++i) {
        if (indexOf(other.elements[i]) < 0) {
            return FALSE;
        }
    }
    return TRUE;
}

UBool UVector32::containsNone(const UVector32& other) const {
    for (int32_t i=0; i<other.size(); ++i) {
        if (indexOf(other.elements[i]) >= 0) {
            return FALSE;
        }
    }
    return TRUE;
}

UBool UVector32::removeAll(const UVector32& other) {
    UBool changed = FALSE;
    for (int32_t i=0; i<other.size(); ++i) {
        int32_t j = indexOf(other.elements[i]);
        if (j >= 0) {
            removeElementAt(j);
            changed = TRUE;
        }
    }
    return changed;
}

UBool UVector32::retainAll(const UVector32& other) {
    UBool changed = FALSE;
    for (int32_t j=size()-1; j>=0; --j) {
        int32_t i = other.indexOf(elements[j]);
        if (i < 0) {
            removeElementAt(j);
            changed = TRUE;
        }
    }
    return changed;
}

void UVector32::removeElementAt(int32_t index) {
    if (index >= 0) {
        for (int32_t i=index; i<count-1; ++i) {
            elements[i] = elements[i+1];
        }
        --count;
    }
}

void UVector32::removeAllElements(void) {
    count = 0;
}

UBool   UVector32::equals(const UVector32 &other) const {
    int      i;

    if (this->count != other.count) {
        return FALSE;
    }
    for (i=0; i<count; i++) {
        if (elements[i] != other.elements[i]) {
            return FALSE;
        }
    }
    return TRUE;
}




int32_t UVector32::indexOf(int32_t key, int32_t startIndex) const {
    int32_t i;
    for (i=startIndex; i<count; ++i) {
        if (key == elements[i]) {
            return i;
        }
    }
    return -1;
}


UBool UVector32::expandCapacity(int32_t minimumCapacity, UErrorCode &status) {
    if (U_FAILURE(status)) {
        return FALSE;
    }
    if (minimumCapacity < 0) {
        status = U_ILLEGAL_ARGUMENT_ERROR;
        return FALSE;
    }
    if (capacity >= minimumCapacity) {
        return TRUE;
    }
    if (maxCapacity>0 && minimumCapacity>maxCapacity) {
        status = U_BUFFER_OVERFLOW_ERROR;
        return FALSE;
    }
    if (capacity > (INT32_MAX - 1) / 2) {  // integer overflow check
        status = U_ILLEGAL_ARGUMENT_ERROR;
        return FALSE;
    }
    int32_t newCap = capacity * 2;
    if (newCap < minimumCapacity) {
        newCap = minimumCapacity;
    }
    if (maxCapacity > 0 && newCap > maxCapacity) {
        newCap = maxCapacity;
    }
    if (newCap > (int32_t)(INT32_MAX / sizeof(int32_t))) {  // integer overflow check
        // We keep the original memory contents on bad minimumCapacity/maxCapacity.
        status = U_ILLEGAL_ARGUMENT_ERROR;
        return FALSE;
    }
    int32_t* newElems = (int32_t *)uprv_realloc(elements, sizeof(int32_t)*newCap);
    if (newElems == NULL) {
        // We keep the original contents on the memory failure on realloc.
        status = U_MEMORY_ALLOCATION_ERROR;
        return FALSE;
    }
    elements = newElems;
    capacity = newCap;
    return TRUE;
}

void UVector32::setMaxCapacity(int32_t limit) {
    U_ASSERT(limit >= 0);
    if (limit < 0) {
        limit = 0;
    }
    if (limit > (int32_t)(INT32_MAX / sizeof(int32_t))) {  // integer overflow check for realloc
        //  Something is very wrong, don't realloc, leave capacity and maxCapacity unchanged
        return;
    }
    maxCapacity = limit;
    if (capacity <= maxCapacity || maxCapacity == 0) {
        // Current capacity is within the new limit.
        return;
    }
    
    // New maximum capacity is smaller than the current size.
    // Realloc the storage to the new, smaller size.
    int32_t* newElems = (int32_t *)uprv_realloc(elements, sizeof(int32_t)*maxCapacity);
    if (newElems == NULL) {
        // Realloc to smaller failed.
        //   Just keep what we had.  No need to call it a failure.
        return;
    }
    elements = newElems;
    capacity = maxCapacity;
    if (count > capacity) {
        count = capacity;
    }
}

/**
 * Change the size of this vector as follows: If newSize is smaller,
 * then truncate the array, possibly deleting held elements for i >=
 * newSize.  If newSize is larger, grow the array, filling in new
 * slots with NULL.
 */
void UVector32::setSize(int32_t newSize) {
    int32_t i;
    if (newSize < 0) {
        return;
    }
    if (newSize > count) {
        UErrorCode ec = U_ZERO_ERROR;
        if (!ensureCapacity(newSize, ec)) {
            return;
        }
        for (i=count; i<newSize; ++i) {
            elements[i] = 0;
        }
    } 
    count = newSize;
}




/**
 * Insert the given integer into this vector at its sorted position
 * as defined by 'compare'.  The current elements are assumed to
 * be sorted already.
 */
void UVector32::sortedInsert(int32_t tok, UErrorCode& ec) {
    // Perform a binary search for the location to insert tok at.  Tok
    // will be inserted between two elements a and b such that a <=
    // tok && tok < b, where there is a 'virtual' elements[-1] always
    // less than tok and a 'virtual' elements[count] always greater
    // than tok.
    int32_t min = 0, max = count;
    while (min != max) {
        int32_t probe = (min + max) / 2;
        //int8_t c = (*compare)(elements[probe], tok);
        //if (c > 0) {
        if (elements[probe] > tok) {
            max = probe;
        } else {
            // assert(c <= 0);
            min = probe + 1;
        }
    }
    if (ensureCapacity(count + 1, ec)) {
        for (int32_t i=count; i>min; --i) {
            elements[i] = elements[i-1];
        }
        elements[min] = tok;
        ++count;
    }
}





U_NAMESPACE_END


Coverage Report

Created: 2025-01-28 06:38

Line	Count	Source (jump to first uncovered line)
1		// © 2016 and later: Unicode, Inc. and others.
2		// License & terms of use: http://www.unicode.org/copyright.html
3		/*
4		******************************************************************************
5		* Copyright (C) 1999-2015, International Business Machines Corporation and
6		* others. All Rights Reserved.
7		******************************************************************************
8		* Date Name Description
9		* 10/22/99 alan Creation.
10		**********************************************************************
11		*/
12
13		#include "uvectr32.h"
14		#include "cmemory.h"
15		#include "putilimp.h"
16
17		U_NAMESPACE_BEGIN
18
19	0	#define DEFAULT_CAPACITY 8
20
21		/*
22		* Constants for hinting whether a key is an integer
23		* or a pointer. If a hint bit is zero, then the associated
24		* token is assumed to be an integer. This is needed for iSeries
25		*/
26
27		UOBJECT_DEFINE_RTTI_IMPLEMENTATION(UVector32)
28
29		UVector32::UVector32(UErrorCode &status) :
30	0	count(0),
31	0	capacity(0),
32	0	maxCapacity(0),
33		elements(NULL)
34	0	{
35	0	_init(DEFAULT_CAPACITY, status);
36	0	}
37
38		UVector32::UVector32(int32_t initialCapacity, UErrorCode &status) :
39	0	count(0),
40	0	capacity(0),
41	0	maxCapacity(0),
42	0	elements(0)
43	0	{
44	0	_init(initialCapacity, status);
45	0	}
46
47
48
49	0	void UVector32::_init(int32_t initialCapacity, UErrorCode &status) {
50		// Fix bogus initialCapacity values; avoid malloc(0)
51	0	if (initialCapacity < 1) {
52	0	initialCapacity = DEFAULT_CAPACITY;
53	0	}
54	0	if (maxCapacity>0 && maxCapacity<initialCapacity) {
55	0	initialCapacity = maxCapacity;
56	0	}
57	0	if (initialCapacity > (int32_t)(INT32_MAX / sizeof(int32_t))) {
58	0	initialCapacity = uprv_min(DEFAULT_CAPACITY, maxCapacity);
59	0	}
60	0	elements = (int32_t )uprv_malloc(sizeof(int32_t)initialCapacity);
61	0	if (elements == 0) {
62	0	status = U_MEMORY_ALLOCATION_ERROR;
63	0	} else {
64	0	capacity = initialCapacity;
65	0	}
66	0	}
67
68	0	UVector32::~UVector32() {
69	0	uprv_free(elements);
70	0	elements = 0;
71	0	}
72
73		/**
74		* Assign this object to another (make this a copy of 'other').
75		*/
76	0	void UVector32::assign(const UVector32& other, UErrorCode &ec) {
77	0	if (ensureCapacity(other.count, ec)) {
78	0	setSize(other.count);
79	0	for (int32_t i=0; i<other.count; ++i) {
80	0	elements[i] = other.elements[i];
81	0	}
82	0	}
83	0	}
84
85
86	0	bool UVector32::operator==(const UVector32& other) {
87	0	int32_t i;
88	0	if (count != other.count) return FALSE;
89	0	for (i=0; i<count; ++i) {
90	0	if (elements[i] != other.elements[i]) {
91	0	return FALSE;
92	0	}
93	0	}
94	0	return TRUE;
95	0	}
96
97
98	0	void UVector32::setElementAt(int32_t elem, int32_t index) {
99	0	if (0 <= index && index < count) {
100	0	elements[index] = elem;
101	0	}
102		/* else index out of range */
103	0	}
104
105	0	void UVector32::insertElementAt(int32_t elem, int32_t index, UErrorCode &status) {
106		// must have 0 <= index <= count
107	0	if (0 <= index && index <= count && ensureCapacity(count + 1, status)) {
108	0	for (int32_t i=count; i>index; --i) {
109	0	elements[i] = elements[i-1];
110	0	}
111	0	elements[index] = elem;
112	0	++count;
113	0	}
114		/* else index out of range */
115	0	}
116
117	0	UBool UVector32::containsAll(const UVector32& other) const {
118	0	for (int32_t i=0; i<other.size(); ++i) {
119	0	if (indexOf(other.elements[i]) < 0) {
120	0	return FALSE;
121	0	}
122	0	}
123	0	return TRUE;
124	0	}
125
126	0	UBool UVector32::containsNone(const UVector32& other) const {
127	0	for (int32_t i=0; i<other.size(); ++i) {
128	0	if (indexOf(other.elements[i]) >= 0) {
129	0	return FALSE;
130	0	}
131	0	}
132	0	return TRUE;
133	0	}
134
135	0	UBool UVector32::removeAll(const UVector32& other) {
136	0	UBool changed = FALSE;
137	0	for (int32_t i=0; i<other.size(); ++i) {
138	0	int32_t j = indexOf(other.elements[i]);
139	0	if (j >= 0) {
140	0	removeElementAt(j);
141	0	changed = TRUE;
142	0	}
143	0	}
144	0	return changed;
145	0	}
146
147	0	UBool UVector32::retainAll(const UVector32& other) {
148	0	UBool changed = FALSE;
149	0	for (int32_t j=size()-1; j>=0; --j) {
150	0	int32_t i = other.indexOf(elements[j]);
151	0	if (i < 0) {
152	0	removeElementAt(j);
153	0	changed = TRUE;
154	0	}
155	0	}
156	0	return changed;
157	0	}
158
159	0	void UVector32::removeElementAt(int32_t index) {
160	0	if (index >= 0) {
161	0	for (int32_t i=index; i<count-1; ++i) {
162	0	elements[i] = elements[i+1];
163	0	}
164	0	--count;
165	0	}
166	0	}
167
168	0	void UVector32::removeAllElements(void) {
169	0	count = 0;
170	0	}
171
172	0	UBool UVector32::equals(const UVector32 &other) const {
173	0	int i;
174
175	0	if (this->count != other.count) {
176	0	return FALSE;
177	0	}
178	0	for (i=0; i<count; i++) {
179	0	if (elements[i] != other.elements[i]) {
180	0	return FALSE;
181	0	}
182	0	}
183	0	return TRUE;
184	0	}
185
186
187
188
189	0	int32_t UVector32::indexOf(int32_t key, int32_t startIndex) const {
190	0	int32_t i;
191	0	for (i=startIndex; i<count; ++i) {
192	0	if (key == elements[i]) {
193	0	return i;
194	0	}
195	0	}
196	0	return -1;
197	0	}
198
199
200	0	UBool UVector32::expandCapacity(int32_t minimumCapacity, UErrorCode &status) {
201	0	if (U_FAILURE(status)) {
202	0	return FALSE;
203	0	}
204	0	if (minimumCapacity < 0) {
205	0	status = U_ILLEGAL_ARGUMENT_ERROR;
206	0	return FALSE;
207	0	}
208	0	if (capacity >= minimumCapacity) {
209	0	return TRUE;
210	0	}
211	0	if (maxCapacity>0 && minimumCapacity>maxCapacity) {
212	0	status = U_BUFFER_OVERFLOW_ERROR;
213	0	return FALSE;
214	0	}
215	0	if (capacity > (INT32_MAX - 1) / 2) { // integer overflow check
216	0	status = U_ILLEGAL_ARGUMENT_ERROR;
217	0	return FALSE;
218	0	}
219	0	int32_t newCap = capacity * 2;
220	0	if (newCap < minimumCapacity) {
221	0	newCap = minimumCapacity;
222	0	}
223	0	if (maxCapacity > 0 && newCap > maxCapacity) {
224	0	newCap = maxCapacity;
225	0	}
226	0	if (newCap > (int32_t)(INT32_MAX / sizeof(int32_t))) { // integer overflow check
227		// We keep the original memory contents on bad minimumCapacity/maxCapacity.
228	0	status = U_ILLEGAL_ARGUMENT_ERROR;
229	0	return FALSE;
230	0	}
231	0	int32_t* newElems = (int32_t )uprv_realloc(elements, sizeof(int32_t)newCap);
232	0	if (newElems == NULL) {
233		// We keep the original contents on the memory failure on realloc.
234	0	status = U_MEMORY_ALLOCATION_ERROR;
235	0	return FALSE;
236	0	}
237	0	elements = newElems;
238	0	capacity = newCap;
239	0	return TRUE;
240	0	}
241
242	0	void UVector32::setMaxCapacity(int32_t limit) {
243	0	U_ASSERT(limit >= 0);
244	0	if (limit < 0) {
245	0	limit = 0;
246	0	}
247	0	if (limit > (int32_t)(INT32_MAX / sizeof(int32_t))) { // integer overflow check for realloc
248		// Something is very wrong, don't realloc, leave capacity and maxCapacity unchanged
249	0	return;
250	0	}
251	0	maxCapacity = limit;
252	0	if (capacity <= maxCapacity \|\| maxCapacity == 0) {
253		// Current capacity is within the new limit.
254	0	return;
255	0	}
256
257		// New maximum capacity is smaller than the current size.
258		// Realloc the storage to the new, smaller size.
259	0	int32_t* newElems = (int32_t )uprv_realloc(elements, sizeof(int32_t)maxCapacity);
260	0	if (newElems == NULL) {
261		// Realloc to smaller failed.
262		// Just keep what we had. No need to call it a failure.
263	0	return;
264	0	}
265	0	elements = newElems;
266	0	capacity = maxCapacity;
267	0	if (count > capacity) {
268	0	count = capacity;
269	0	}
270	0	}
271
272		/**
273		* Change the size of this vector as follows: If newSize is smaller,
274		* then truncate the array, possibly deleting held elements for i >=
275		* newSize. If newSize is larger, grow the array, filling in new
276		* slots with NULL.
277		*/
278	0	void UVector32::setSize(int32_t newSize) {
279	0	int32_t i;
280	0	if (newSize < 0) {
281	0	return;
282	0	}
283	0	if (newSize > count) {
284	0	UErrorCode ec = U_ZERO_ERROR;
285	0	if (!ensureCapacity(newSize, ec)) {
286	0	return;
287	0	}
288	0	for (i=count; i<newSize; ++i) {
289	0	elements[i] = 0;
290	0	}
291	0	}
292	0	count = newSize;
293	0	}
294
295
296
297
298		/**
299		* Insert the given integer into this vector at its sorted position
300		* as defined by 'compare'. The current elements are assumed to
301		* be sorted already.
302		*/
303	0	void UVector32::sortedInsert(int32_t tok, UErrorCode& ec) {
304		// Perform a binary search for the location to insert tok at. Tok
305		// will be inserted between two elements a and b such that a <=
306		// tok && tok < b, where there is a 'virtual' elements[-1] always
307		// less than tok and a 'virtual' elements[count] always greater
308		// than tok.
309	0	int32_t min = 0, max = count;
310	0	while (min != max) {
311	0	int32_t probe = (min + max) / 2;
312		//int8_t c = (*compare)(elements[probe], tok);
313		//if (c > 0) {
314	0	if (elements[probe] > tok) {
315	0	max = probe;
316	0	} else {
317		// assert(c <= 0);
318	0	min = probe + 1;
319	0	}
320	0	}
321	0	if (ensureCapacity(count + 1, ec)) {
322	0	for (int32_t i=count; i>min; --i) {
323	0	elements[i] = elements[i-1];
324	0	}
325	0	elements[min] = tok;
326	0	++count;
327	0	}
328	0	}
329
330
331
332
333
334		U_NAMESPACE_END
335