The Tor Browser / file comparison
comparison: layout/style/nsCSSKeywords.cpp
layout/style/nsCSSKeywords.cpp
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
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| -1:000000000000 | 0:fac0397bc89b |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 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 /* keywords used within CSS property values */ | |
| 7 | |
| 8 #include "nsCSSKeywords.h" | |
| 9 #include "nsString.h" | |
| 10 #include "nsStaticNameTable.h" | |
| 11 | |
| 12 // required to make the symbol external, so that TestCSSPropertyLookup.cpp can link with it | |
| 13 extern const char* const kCSSRawKeywords[]; | |
| 14 | |
| 15 // define an array of all CSS keywords | |
| 16 #define CSS_KEY(_name,_id) #_name, | |
| 17 const char* const kCSSRawKeywords[] = { | |
| 18 #include "nsCSSKeywordList.h" | |
| 19 }; | |
| 20 #undef CSS_KEY | |
| 21 | |
| 22 static int32_t gKeywordTableRefCount; | |
| 23 static nsStaticCaseInsensitiveNameTable* gKeywordTable; | |
| 24 | |
| 25 void | |
| 26 nsCSSKeywords::AddRefTable(void) | |
| 27 { | |
| 28 if (0 == gKeywordTableRefCount++) { | |
| 29 NS_ASSERTION(!gKeywordTable, "pre existing array!"); | |
| 30 gKeywordTable = new nsStaticCaseInsensitiveNameTable(); | |
| 31 if (gKeywordTable) { | |
| 32 #ifdef DEBUG | |
| 33 { | |
| 34 // let's verify the table... | |
| 35 int32_t index = 0; | |
| 36 for (; index < eCSSKeyword_COUNT && kCSSRawKeywords[index]; ++index) { | |
| 37 nsAutoCString temp1(kCSSRawKeywords[index]); | |
| 38 nsAutoCString temp2(kCSSRawKeywords[index]); | |
| 39 ToLowerCase(temp1); | |
| 40 NS_ASSERTION(temp1.Equals(temp2), "upper case char in table"); | |
| 41 NS_ASSERTION(-1 == temp1.FindChar('_'), "underscore char in table"); | |
| 42 } | |
| 43 NS_ASSERTION(index == eCSSKeyword_COUNT, "kCSSRawKeywords and eCSSKeyword_COUNT are out of sync"); | |
| 44 } | |
| 45 #endif | |
| 46 gKeywordTable->Init(kCSSRawKeywords, eCSSKeyword_COUNT); | |
| 47 } | |
| 48 } | |
| 49 } | |
| 50 | |
| 51 void | |
| 52 nsCSSKeywords::ReleaseTable(void) | |
| 53 { | |
| 54 if (0 == --gKeywordTableRefCount) { | |
| 55 if (gKeywordTable) { | |
| 56 delete gKeywordTable; | |
| 57 gKeywordTable = nullptr; | |
| 58 } | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 nsCSSKeyword | |
| 63 nsCSSKeywords::LookupKeyword(const nsACString& aKeyword) | |
| 64 { | |
| 65 NS_ASSERTION(gKeywordTable, "no lookup table, needs addref"); | |
| 66 if (gKeywordTable) { | |
| 67 return nsCSSKeyword(gKeywordTable->Lookup(aKeyword)); | |
| 68 } | |
| 69 return eCSSKeyword_UNKNOWN; | |
| 70 } | |
| 71 | |
| 72 nsCSSKeyword | |
| 73 nsCSSKeywords::LookupKeyword(const nsAString& aKeyword) | |
| 74 { | |
| 75 NS_ASSERTION(gKeywordTable, "no lookup table, needs addref"); | |
| 76 if (gKeywordTable) { | |
| 77 return nsCSSKeyword(gKeywordTable->Lookup(aKeyword)); | |
| 78 } | |
| 79 return eCSSKeyword_UNKNOWN; | |
| 80 } | |
| 81 | |
| 82 const nsAFlatCString& | |
| 83 nsCSSKeywords::GetStringValue(nsCSSKeyword aKeyword) | |
| 84 { | |
| 85 NS_ASSERTION(gKeywordTable, "no lookup table, needs addref"); | |
| 86 NS_ASSERTION(0 <= aKeyword && aKeyword < eCSSKeyword_COUNT, "out of range"); | |
| 87 if (gKeywordTable) { | |
| 88 return gKeywordTable->GetStringValue(int32_t(aKeyword)); | |
| 89 } else { | |
| 90 static nsDependentCString kNullStr(""); | |
| 91 return kNullStr; | |
| 92 } | |
| 93 } | |
| 94 |
