gecko-dev/layout/style/nsCSSKeywords.cpp

104 lines
2.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsCSSKeywords.h"
#include "nsString.h"
#include "nsStaticNameTable.h"
// define an array of all CSS keywords
#define CSS_KEY(_name,_id) #_name,
const char* kCSSRawKeywords[] = {
#include "nsCSSKeywordList.h"
};
#undef CSS_KEY
static PRInt32 gTableRefCount;
static nsStaticCaseInsensitiveNameTable* gKeywordTable;
void
nsCSSKeywords::AddRefTable(void)
{
if (0 == gTableRefCount++) {
NS_ASSERTION(!gKeywordTable, "pre existing array!");
gKeywordTable = new nsStaticCaseInsensitiveNameTable();
if (gKeywordTable) {
#ifdef DEBUG
{
// let's verify the table...
for (PRInt32 index = 0; index < eCSSKeyword_COUNT; ++index) {
nsCAutoString temp1(kCSSRawKeywords[index]);
nsCAutoString temp2(kCSSRawKeywords[index]);
temp1.ToLowerCase();
NS_ASSERTION(temp1.Equals(temp2), "upper case char in table");
NS_ASSERTION(-1 == temp1.FindChar('_'), "underscore char in table");
}
}
#endif
gKeywordTable->Init(kCSSRawKeywords, eCSSKeyword_COUNT);
}
}
}
void
nsCSSKeywords::ReleaseTable(void)
{
if (0 == --gTableRefCount) {
if (gKeywordTable) {
delete gKeywordTable;
gKeywordTable = nsnull;
}
}
}
nsCSSKeyword
nsCSSKeywords::LookupKeyword(const nsCString& aKeyword)
{
NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
if (gKeywordTable) {
return nsCSSKeyword(gKeywordTable->Lookup(aKeyword));
}
return eCSSKeyword_UNKNOWN;
}
nsCSSKeyword
nsCSSKeywords::LookupKeyword(const nsString& aKeyword)
{
NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
if (gKeywordTable) {
return nsCSSKeyword(gKeywordTable->Lookup(aKeyword));
}
return eCSSKeyword_UNKNOWN;
}
const nsCString&
nsCSSKeywords::GetStringValue(nsCSSKeyword aKeyword)
{
NS_ASSERTION(gKeywordTable, "no lookup table, needs addref");
if (gKeywordTable) {
return gKeywordTable->GetStringValue(PRInt32(aKeyword));
} else {
static nsCString kNullStr;
return kNullStr;
}
}