michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* keywords used within CSS property values */
michael@0: 
michael@0: #include "nsCSSKeywords.h"
michael@0: #include "nsString.h"
michael@0: #include "nsStaticNameTable.h"
michael@0: 
michael@0: // required to make the symbol external, so that TestCSSPropertyLookup.cpp can link with it
michael@0: extern const char* const kCSSRawKeywords[];
michael@0: 
michael@0: // define an array of all CSS keywords
michael@0: #define CSS_KEY(_name,_id) #_name,
michael@0: const char* const kCSSRawKeywords[] = {
michael@0: #include "nsCSSKeywordList.h"
michael@0: };
michael@0: #undef CSS_KEY
michael@0: 
michael@0: static int32_t gKeywordTableRefCount;
michael@0: static nsStaticCaseInsensitiveNameTable* gKeywordTable;
michael@0: 
michael@0: void
michael@0: nsCSSKeywords::AddRefTable(void) 
michael@0: {
michael@0:   if (0 == gKeywordTableRefCount++) {
michael@0:     NS_ASSERTION(!gKeywordTable, "pre existing array!");
michael@0:     gKeywordTable = new nsStaticCaseInsensitiveNameTable();
michael@0:     if (gKeywordTable) {
michael@0: #ifdef DEBUG
michael@0:     {
michael@0:       // let's verify the table...
michael@0:       int32_t index = 0;
michael@0:       for (; index < eCSSKeyword_COUNT && kCSSRawKeywords[index]; ++index) {
michael@0:         nsAutoCString temp1(kCSSRawKeywords[index]);
michael@0:         nsAutoCString temp2(kCSSRawKeywords[index]);
michael@0:         ToLowerCase(temp1);
michael@0:         NS_ASSERTION(temp1.Equals(temp2), "upper case char in table");
michael@0:         NS_ASSERTION(-1 == temp1.FindChar('_'), "underscore char in table");
michael@0:       }
michael@0:       NS_ASSERTION(index == eCSSKeyword_COUNT, "kCSSRawKeywords and eCSSKeyword_COUNT are out of sync");
michael@0:     }
michael@0: #endif      
michael@0:       gKeywordTable->Init(kCSSRawKeywords, eCSSKeyword_COUNT); 
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: nsCSSKeywords::ReleaseTable(void) 
michael@0: {
michael@0:   if (0 == --gKeywordTableRefCount) {
michael@0:     if (gKeywordTable) {
michael@0:       delete gKeywordTable;
michael@0:       gKeywordTable = nullptr;
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: nsCSSKeyword 
michael@0: nsCSSKeywords::LookupKeyword(const nsACString& aKeyword)
michael@0: {
michael@0:   NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
michael@0:   if (gKeywordTable) {
michael@0:     return nsCSSKeyword(gKeywordTable->Lookup(aKeyword));
michael@0:   }  
michael@0:   return eCSSKeyword_UNKNOWN;
michael@0: }
michael@0: 
michael@0: nsCSSKeyword 
michael@0: nsCSSKeywords::LookupKeyword(const nsAString& aKeyword)
michael@0: {
michael@0:   NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
michael@0:   if (gKeywordTable) {
michael@0:     return nsCSSKeyword(gKeywordTable->Lookup(aKeyword));
michael@0:   }  
michael@0:   return eCSSKeyword_UNKNOWN;
michael@0: }
michael@0: 
michael@0: const nsAFlatCString& 
michael@0: nsCSSKeywords::GetStringValue(nsCSSKeyword aKeyword)
michael@0: {
michael@0:   NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
michael@0:   NS_ASSERTION(0 <= aKeyword && aKeyword < eCSSKeyword_COUNT, "out of range");
michael@0:   if (gKeywordTable) {
michael@0:     return gKeywordTable->GetStringValue(int32_t(aKeyword));
michael@0:   } else {
michael@0:     static nsDependentCString kNullStr("");
michael@0:     return kNullStr;
michael@0:   }
michael@0: }
michael@0: