layout/style/nsCSSKeywords.cpp@925c144e1f1f (annotated)
layout/style/nsCSSKeywords.cpp
Fri, 16 Jan 2015 18:13:44 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 18:13:44 +0100
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
- permissions
- -rw-r--r--
Integrate suggestion from review to improve consistency with existing code.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* keywords used within CSS property values */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "nsCSSKeywords.h" |
| michael@0 | 9 | #include "nsString.h" |
| michael@0 | 10 | #include "nsStaticNameTable.h" |
| michael@0 | 11 | |
| michael@0 | 12 | // required to make the symbol external, so that TestCSSPropertyLookup.cpp can link with it |
| michael@0 | 13 | extern const char* const kCSSRawKeywords[]; |
| michael@0 | 14 | |
| michael@0 | 15 | // define an array of all CSS keywords |
| michael@0 | 16 | #define CSS_KEY(_name,_id) #_name, |
| michael@0 | 17 | const char* const kCSSRawKeywords[] = { |
| michael@0 | 18 | #include "nsCSSKeywordList.h" |
| michael@0 | 19 | }; |
| michael@0 | 20 | #undef CSS_KEY |
| michael@0 | 21 | |
| michael@0 | 22 | static int32_t gKeywordTableRefCount; |
| michael@0 | 23 | static nsStaticCaseInsensitiveNameTable* gKeywordTable; |
| michael@0 | 24 | |
| michael@0 | 25 | void |
| michael@0 | 26 | nsCSSKeywords::AddRefTable(void) |
| michael@0 | 27 | { |
| michael@0 | 28 | if (0 == gKeywordTableRefCount++) { |
| michael@0 | 29 | NS_ASSERTION(!gKeywordTable, "pre existing array!"); |
| michael@0 | 30 | gKeywordTable = new nsStaticCaseInsensitiveNameTable(); |
| michael@0 | 31 | if (gKeywordTable) { |
| michael@0 | 32 | #ifdef DEBUG |
| michael@0 | 33 | { |
| michael@0 | 34 | // let's verify the table... |
| michael@0 | 35 | int32_t index = 0; |
| michael@0 | 36 | for (; index < eCSSKeyword_COUNT && kCSSRawKeywords[index]; ++index) { |
| michael@0 | 37 | nsAutoCString temp1(kCSSRawKeywords[index]); |
| michael@0 | 38 | nsAutoCString temp2(kCSSRawKeywords[index]); |
| michael@0 | 39 | ToLowerCase(temp1); |
| michael@0 | 40 | NS_ASSERTION(temp1.Equals(temp2), "upper case char in table"); |
| michael@0 | 41 | NS_ASSERTION(-1 == temp1.FindChar('_'), "underscore char in table"); |
| michael@0 | 42 | } |
| michael@0 | 43 | NS_ASSERTION(index == eCSSKeyword_COUNT, "kCSSRawKeywords and eCSSKeyword_COUNT are out of sync"); |
| michael@0 | 44 | } |
| michael@0 | 45 | #endif |
| michael@0 | 46 | gKeywordTable->Init(kCSSRawKeywords, eCSSKeyword_COUNT); |
| michael@0 | 47 | } |
| michael@0 | 48 | } |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | void |
| michael@0 | 52 | nsCSSKeywords::ReleaseTable(void) |
| michael@0 | 53 | { |
| michael@0 | 54 | if (0 == --gKeywordTableRefCount) { |
| michael@0 | 55 | if (gKeywordTable) { |
| michael@0 | 56 | delete gKeywordTable; |
| michael@0 | 57 | gKeywordTable = nullptr; |
| michael@0 | 58 | } |
| michael@0 | 59 | } |
| michael@0 | 60 | } |
| michael@0 | 61 | |
| michael@0 | 62 | nsCSSKeyword |
| michael@0 | 63 | nsCSSKeywords::LookupKeyword(const nsACString& aKeyword) |
| michael@0 | 64 | { |
| michael@0 | 65 | NS_ASSERTION(gKeywordTable, "no lookup table, needs addref"); |
| michael@0 | 66 | if (gKeywordTable) { |
| michael@0 | 67 | return nsCSSKeyword(gKeywordTable->Lookup(aKeyword)); |
| michael@0 | 68 | } |
| michael@0 | 69 | return eCSSKeyword_UNKNOWN; |
| michael@0 | 70 | } |
| michael@0 | 71 | |
| michael@0 | 72 | nsCSSKeyword |
| michael@0 | 73 | nsCSSKeywords::LookupKeyword(const nsAString& aKeyword) |
| michael@0 | 74 | { |
| michael@0 | 75 | NS_ASSERTION(gKeywordTable, "no lookup table, needs addref"); |
| michael@0 | 76 | if (gKeywordTable) { |
| michael@0 | 77 | return nsCSSKeyword(gKeywordTable->Lookup(aKeyword)); |
| michael@0 | 78 | } |
| michael@0 | 79 | return eCSSKeyword_UNKNOWN; |
| michael@0 | 80 | } |
| michael@0 | 81 | |
| michael@0 | 82 | const nsAFlatCString& |
| michael@0 | 83 | nsCSSKeywords::GetStringValue(nsCSSKeyword aKeyword) |
| michael@0 | 84 | { |
| michael@0 | 85 | NS_ASSERTION(gKeywordTable, "no lookup table, needs addref"); |
| michael@0 | 86 | NS_ASSERTION(0 <= aKeyword && aKeyword < eCSSKeyword_COUNT, "out of range"); |
| michael@0 | 87 | if (gKeywordTable) { |
| michael@0 | 88 | return gKeywordTable->GetStringValue(int32_t(aKeyword)); |
| michael@0 | 89 | } else { |
| michael@0 | 90 | static nsDependentCString kNullStr(""); |
| michael@0 | 91 | return kNullStr; |
| michael@0 | 92 | } |
| michael@0 | 93 | } |
| michael@0 | 94 |
