1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/style/nsCSSKeywords.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,94 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/* keywords used within CSS property values */
1.10 +
1.11 +#include "nsCSSKeywords.h"
1.12 +#include "nsString.h"
1.13 +#include "nsStaticNameTable.h"
1.14 +
1.15 +// required to make the symbol external, so that TestCSSPropertyLookup.cpp can link with it
1.16 +extern const char* const kCSSRawKeywords[];
1.17 +
1.18 +// define an array of all CSS keywords
1.19 +#define CSS_KEY(_name,_id) #_name,
1.20 +const char* const kCSSRawKeywords[] = {
1.21 +#include "nsCSSKeywordList.h"
1.22 +};
1.23 +#undef CSS_KEY
1.24 +
1.25 +static int32_t gKeywordTableRefCount;
1.26 +static nsStaticCaseInsensitiveNameTable* gKeywordTable;
1.27 +
1.28 +void
1.29 +nsCSSKeywords::AddRefTable(void)
1.30 +{
1.31 + if (0 == gKeywordTableRefCount++) {
1.32 + NS_ASSERTION(!gKeywordTable, "pre existing array!");
1.33 + gKeywordTable = new nsStaticCaseInsensitiveNameTable();
1.34 + if (gKeywordTable) {
1.35 +#ifdef DEBUG
1.36 + {
1.37 + // let's verify the table...
1.38 + int32_t index = 0;
1.39 + for (; index < eCSSKeyword_COUNT && kCSSRawKeywords[index]; ++index) {
1.40 + nsAutoCString temp1(kCSSRawKeywords[index]);
1.41 + nsAutoCString temp2(kCSSRawKeywords[index]);
1.42 + ToLowerCase(temp1);
1.43 + NS_ASSERTION(temp1.Equals(temp2), "upper case char in table");
1.44 + NS_ASSERTION(-1 == temp1.FindChar('_'), "underscore char in table");
1.45 + }
1.46 + NS_ASSERTION(index == eCSSKeyword_COUNT, "kCSSRawKeywords and eCSSKeyword_COUNT are out of sync");
1.47 + }
1.48 +#endif
1.49 + gKeywordTable->Init(kCSSRawKeywords, eCSSKeyword_COUNT);
1.50 + }
1.51 + }
1.52 +}
1.53 +
1.54 +void
1.55 +nsCSSKeywords::ReleaseTable(void)
1.56 +{
1.57 + if (0 == --gKeywordTableRefCount) {
1.58 + if (gKeywordTable) {
1.59 + delete gKeywordTable;
1.60 + gKeywordTable = nullptr;
1.61 + }
1.62 + }
1.63 +}
1.64 +
1.65 +nsCSSKeyword
1.66 +nsCSSKeywords::LookupKeyword(const nsACString& aKeyword)
1.67 +{
1.68 + NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
1.69 + if (gKeywordTable) {
1.70 + return nsCSSKeyword(gKeywordTable->Lookup(aKeyword));
1.71 + }
1.72 + return eCSSKeyword_UNKNOWN;
1.73 +}
1.74 +
1.75 +nsCSSKeyword
1.76 +nsCSSKeywords::LookupKeyword(const nsAString& aKeyword)
1.77 +{
1.78 + NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
1.79 + if (gKeywordTable) {
1.80 + return nsCSSKeyword(gKeywordTable->Lookup(aKeyword));
1.81 + }
1.82 + return eCSSKeyword_UNKNOWN;
1.83 +}
1.84 +
1.85 +const nsAFlatCString&
1.86 +nsCSSKeywords::GetStringValue(nsCSSKeyword aKeyword)
1.87 +{
1.88 + NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
1.89 + NS_ASSERTION(0 <= aKeyword && aKeyword < eCSSKeyword_COUNT, "out of range");
1.90 + if (gKeywordTable) {
1.91 + return gKeywordTable->GetStringValue(int32_t(aKeyword));
1.92 + } else {
1.93 + static nsDependentCString kNullStr("");
1.94 + return kNullStr;
1.95 + }
1.96 +}
1.97 +
