/*
* Copyright ( c ) 2008 - 2015 Mozilla Foundation
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER
* LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING
* FROM , OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE .
*/
package nu.validator.htmlparser.impl;
import org.xml.sax.SAXException;
import nu.validator.htmlparser.annotation.Literal;
import nu.validator.htmlparser.annotation.Local;
import nu.validator.htmlparser.annotation.NoLength;
import nu.validator.htmlparser.common.Interner;
public final class Portability {
// [NOCPP[
public static int checkedAdd(int a, int b) throws SAXException {
// This can't be translated code, because in C++ signed integer overflow is UB, so the below code would be wrong.
assert a >= 0 ;
assert b >= 0 ;
int sum = a + b;
if (sum < a || sum < b) {
throw new SAXException("Integer overflow" );
}
return sum;
}
// ]NOCPP]
// Allocating methods
/**
* Allocates a new local name object . In C + + , the refcount must be set up in such a way that
* calling < code > releaseLocal < / code > on the return value balances the refcount set by this method .
*/
public static @Local String newLocalNameFromBuffer(@NoLength char [] buf, int length, Interner interner) {
return new String(buf, 0 , length).intern();
}
public static String newStringFromBuffer(@NoLength char [] buf, int offset, int length
// CPPONLY: , TreeBuilder treeBuilder, Interner interner
) {
return new String(buf, offset, length);
}
public static String newEmptyString() {
return "" ;
}
public static String newStringFromLiteral(@Literal String literal) {
return literal;
}
public static String newStringFromString(String string) {
return string;
}
// XXX get rid of this
public static char [] newCharArrayFromLocal(@Local String local) {
return local.toCharArray();
}
public static char [] newCharArrayFromString(String string) {
return string.toCharArray();
}
// Deallocation methods
public static void releaseString(String str) {
// No-op in Java
}
// Comparison methods
public static boolean localEqualsBuffer(@Local String local, @NoLength char [] buf, int length) {
if (local.length() != length) {
return false ;
}
for (int i = 0 ; i < length; i++) {
if (local.charAt(i) != buf[i]) {
return false ;
}
}
return true ;
}
public static boolean lowerCaseLiteralIsPrefixOfIgnoreAsciiCaseString(@Literal String lowerCaseLiteral,
String string) {
if (string == null ) {
return false ;
}
if (lowerCaseLiteral.length() > string.length()) {
return false ;
}
for (int i = 0 ; i < lowerCaseLiteral.length(); i++) {
char c0 = lowerCaseLiteral.charAt(i);
char c1 = string.charAt(i);
if (c1 >= 'A' && c1 <= 'Z' ) {
c1 += 0 x20;
}
if (c0 != c1) {
return false ;
}
}
return true ;
}
public static boolean lowerCaseLiteralEqualsIgnoreAsciiCaseString(@Literal String lowerCaseLiteral,
String string) {
if (string == null ) {
return false ;
}
if (lowerCaseLiteral.length() != string.length()) {
return false ;
}
for (int i = 0 ; i < lowerCaseLiteral.length(); i++) {
char c0 = lowerCaseLiteral.charAt(i);
char c1 = string.charAt(i);
if (c1 >= 'A' && c1 <= 'Z' ) {
c1 += 0 x20;
}
if (c0 != c1) {
return false ;
}
}
return true ;
}
public static boolean literalEqualsString(@Literal String literal, String string) {
return literal.equals(string);
}
public static boolean stringEqualsString(String one, String other) {
return one.equals(other);
}
// [NOCPP[
public static boolean bufferStartsWithLiteralAssumeSufficientLength(char [] buf, String literal) {
for (int i = 0 ; i < literal.length(); i++) {
if (buf[i] != literal.charAt(i)) {
return false ;
}
}
return true ;
}
public static boolean bufferStartsWithLiteralAtOffsetAssumeSufficientLength(char [] buf, String literal, int offset) {
for (int i = 0 ; i < literal.length(); i++) {
if (buf[offset + i] != literal.charAt(i)) {
return false ;
}
}
return true ;
}
// ]NOCPP]
public static void delete (Object o) {
}
public static void deleteArray(Object o) {
}
}
Messung V0.5 in Prozent C=93 H=92 G=92
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet am 2026-08-26)
¤
*© Formatika GbR, Deutschland