gecko-dev/parser/html/nsHtml5Portability.cpp

185 строки
5.1 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 HTML Parser C++ Translator code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2008-2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Henri Sivonen <hsivonen@iki.fi>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "prtypes.h"
#include "nsIAtom.h"
#include "nsString.h"
#include "jArray.h"
#include "nsHtml5Portability.h"
nsIAtom*
nsHtml5Portability::newLocalNameFromBuffer(PRUnichar* buf, PRInt32 offset, PRInt32 length, nsHtml5AtomTable* interner)
{
NS_ASSERTION(!offset, "The offset should always be zero here.");
NS_ASSERTION(interner, "Didn't get an atom service.");
return interner->GetAtom(nsDependentSubstring(buf, buf + length));
}
nsString*
nsHtml5Portability::newStringFromBuffer(PRUnichar* buf, PRInt32 offset, PRInt32 length)
{
return new nsString(buf + offset, length);
}
nsString*
nsHtml5Portability::newEmptyString()
{
return new nsString();
}
nsString*
nsHtml5Portability::newStringFromLiteral(const char* literal)
{
nsString* str = new nsString();
str->AssignASCII(literal);
return str;
}
nsString*
nsHtml5Portability::newStringFromString(nsString* string) {
nsString* newStr = new nsString();
newStr->Assign(*string);
return newStr;
}
jArray<PRUnichar,PRInt32>
nsHtml5Portability::newCharArrayFromLocal(nsIAtom* local)
{
nsAutoString temp;
local->ToString(temp);
PRInt32 len = temp.Length();
jArray<PRUnichar,PRInt32> arr = jArray<PRUnichar,PRInt32>::newJArray(len);
memcpy(arr, temp.BeginReading(), len * sizeof(PRUnichar));
return arr;
}
jArray<PRUnichar,PRInt32>
nsHtml5Portability::newCharArrayFromString(nsString* string)
{
PRInt32 len = string->Length();
jArray<PRUnichar,PRInt32> arr = jArray<PRUnichar,PRInt32>::newJArray(len);
memcpy(arr, string->BeginReading(), len * sizeof(PRUnichar));
return arr;
}
nsIAtom*
nsHtml5Portability::newLocalFromLocal(nsIAtom* local, nsHtml5AtomTable* interner)
{
NS_PRECONDITION(local, "Atom was null.");
NS_PRECONDITION(interner, "Atom table was null");
if (!local->IsStaticAtom()) {
nsAutoString str;
local->ToString(str);
local = interner->GetAtom(str);
}
return local;
}
void
nsHtml5Portability::releaseString(nsString* str)
{
delete str;
}
bool
nsHtml5Portability::localEqualsBuffer(nsIAtom* local, PRUnichar* buf, PRInt32 offset, PRInt32 length)
{
return local->Equals(nsDependentSubstring(buf + offset, buf + offset + length));
}
bool
nsHtml5Portability::lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString(const char* lowerCaseLiteral, nsString* string)
{
if (!string) {
return false;
}
const char* litPtr = lowerCaseLiteral;
const PRUnichar* strPtr = string->BeginReading();
const PRUnichar* end = string->EndReading();
PRUnichar litChar;
while ((litChar = *litPtr)) {
NS_ASSERTION(!(litChar >= 'A' && litChar <= 'Z'), "Literal isn't in lower case.");
if (strPtr == end) {
return false;
}
PRUnichar strChar = *strPtr;
if (strChar >= 'A' && strChar <= 'Z') {
strChar += 0x20;
}
if (litChar != strChar) {
return false;
}
++litPtr;
++strPtr;
}
return true;
}
bool
nsHtml5Portability::lowerCaseLiteralEqualsIgnoreAsciiCaseString(const char* lowerCaseLiteral, nsString* string)
{
if (!string) {
return false;
}
return string->LowerCaseEqualsASCII(lowerCaseLiteral);
}
bool
nsHtml5Portability::literalEqualsString(const char* literal, nsString* string)
{
if (!string) {
return false;
}
return string->EqualsASCII(literal);
}
bool
nsHtml5Portability::stringEqualsString(nsString* one, nsString* other)
{
return one->Equals(*other);
}
void
nsHtml5Portability::initializeStatics()
{
}
void
nsHtml5Portability::releaseStatics()
{
}