The Tor Browser / file comparison
comparison: content/xul/templates/src/nsResourceSet.cpp
content/xul/templates/src/nsResourceSet.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
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| -1:000000000000 | 0:fdd1740f50d3 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsResourceSet.h" | |
| 7 | |
| 8 nsResourceSet::nsResourceSet(const nsResourceSet& aResourceSet) | |
| 9 : mResources(nullptr), | |
| 10 mCount(0), | |
| 11 mCapacity(0) | |
| 12 { | |
| 13 ConstIterator last = aResourceSet.Last(); | |
| 14 for (ConstIterator resource = aResourceSet.First(); resource != last; ++resource) | |
| 15 Add(*resource); | |
| 16 } | |
| 17 | |
| 18 | |
| 19 nsResourceSet& | |
| 20 nsResourceSet::operator=(const nsResourceSet& aResourceSet) | |
| 21 { | |
| 22 Clear(); | |
| 23 ConstIterator last = aResourceSet.Last(); | |
| 24 for (ConstIterator resource = aResourceSet.First(); resource != last; ++resource) | |
| 25 Add(*resource); | |
| 26 return *this; | |
| 27 } | |
| 28 | |
| 29 nsResourceSet::~nsResourceSet() | |
| 30 { | |
| 31 MOZ_COUNT_DTOR(nsResourceSet); | |
| 32 Clear(); | |
| 33 delete[] mResources; | |
| 34 } | |
| 35 | |
| 36 nsresult | |
| 37 nsResourceSet::Clear() | |
| 38 { | |
| 39 while (--mCount >= 0) { | |
| 40 NS_RELEASE(mResources[mCount]); | |
| 41 } | |
| 42 mCount = 0; | |
| 43 return NS_OK; | |
| 44 } | |
| 45 | |
| 46 nsresult | |
| 47 nsResourceSet::Add(nsIRDFResource* aResource) | |
| 48 { | |
| 49 NS_PRECONDITION(aResource != nullptr, "null ptr"); | |
| 50 if (! aResource) | |
| 51 return NS_ERROR_NULL_POINTER; | |
| 52 | |
| 53 if (Contains(aResource)) | |
| 54 return NS_OK; | |
| 55 | |
| 56 if (mCount >= mCapacity) { | |
| 57 int32_t capacity = mCapacity + 4; | |
| 58 nsIRDFResource** resources = new nsIRDFResource*[capacity]; | |
| 59 if (! resources) | |
| 60 return NS_ERROR_OUT_OF_MEMORY; | |
| 61 | |
| 62 for (int32_t i = mCount - 1; i >= 0; --i) | |
| 63 resources[i] = mResources[i]; | |
| 64 | |
| 65 delete[] mResources; | |
| 66 | |
| 67 mResources = resources; | |
| 68 mCapacity = capacity; | |
| 69 } | |
| 70 | |
| 71 mResources[mCount++] = aResource; | |
| 72 NS_ADDREF(aResource); | |
| 73 return NS_OK; | |
| 74 } | |
| 75 | |
| 76 void | |
| 77 nsResourceSet::Remove(nsIRDFResource* aProperty) | |
| 78 { | |
| 79 bool found = false; | |
| 80 | |
| 81 nsIRDFResource** res = mResources; | |
| 82 nsIRDFResource** limit = mResources + mCount; | |
| 83 while (res < limit) { | |
| 84 if (found) { | |
| 85 *(res - 1) = *res; | |
| 86 } | |
| 87 else if (*res == aProperty) { | |
| 88 NS_RELEASE(*res); | |
| 89 found = true; | |
| 90 } | |
| 91 ++res; | |
| 92 } | |
| 93 | |
| 94 if (found) | |
| 95 --mCount; | |
| 96 } | |
| 97 | |
| 98 bool | |
| 99 nsResourceSet::Contains(nsIRDFResource* aResource) const | |
| 100 { | |
| 101 for (int32_t i = mCount - 1; i >= 0; --i) { | |
| 102 if (mResources[i] == aResource) | |
| 103 return true; | |
| 104 } | |
| 105 | |
| 106 return false; | |
| 107 } | |
| 108 |
