зеркало из https://github.com/mozilla/pjs.git
715 строки
20 KiB
C++
715 строки
20 KiB
C++
/*
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* Copyright (c) 2007 Henri Sivonen
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* Copyright (c) 2008-2009 Mozilla Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/*
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* THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.
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* Please edit MetaScanner.java instead and regenerate.
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*/
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#define nsHtml5MetaScanner_cpp__
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#include "prtypes.h"
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#include "nsIAtom.h"
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#include "nsString.h"
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#include "nsINameSpaceManager.h"
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#include "nsIContent.h"
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#include "nsIDocument.h"
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#include "nsTraceRefcnt.h"
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#include "jArray.h"
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#include "nsHtml5DocumentMode.h"
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#include "nsHtml5ArrayCopy.h"
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#include "nsHtml5NamedCharacters.h"
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#include "nsHtml5Atoms.h"
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#include "nsHtml5ByteReadable.h"
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#include "nsIUnicodeDecoder.h"
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#include "nsHtml5Tokenizer.h"
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#include "nsHtml5TreeBuilder.h"
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#include "nsHtml5AttributeName.h"
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#include "nsHtml5ElementName.h"
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#include "nsHtml5HtmlAttributes.h"
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#include "nsHtml5StackNode.h"
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#include "nsHtml5UTF16Buffer.h"
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#include "nsHtml5StateSnapshot.h"
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#include "nsHtml5Portability.h"
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#include "nsHtml5MetaScanner.h"
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void
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nsHtml5MetaScanner::stateLoop(PRInt32 state)
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{
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PRInt32 c = -1;
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PRBool reconsume = PR_FALSE;
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stateloop: for (; ; ) {
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switch(state) {
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case NS_HTML5META_SCANNER_DATA: {
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for (; ; ) {
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if (reconsume) {
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reconsume = PR_FALSE;
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} else {
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c = read();
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}
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case '<': {
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state = NS_HTML5META_SCANNER_TAG_OPEN;
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goto dataloop_end;
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}
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default: {
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continue;
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}
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}
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}
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dataloop_end: ;
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}
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case NS_HTML5META_SCANNER_TAG_OPEN: {
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for (; ; ) {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case 'm':
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case 'M': {
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metaState = NS_HTML5META_SCANNER_M;
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state = NS_HTML5META_SCANNER_TAG_NAME;
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goto tagopenloop_end;
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}
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case '!': {
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state = NS_HTML5META_SCANNER_MARKUP_DECLARATION_OPEN;
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goto stateloop;
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}
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case '\?':
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case '/': {
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state = NS_HTML5META_SCANNER_SCAN_UNTIL_GT;
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goto stateloop;
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}
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case '>': {
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state = NS_HTML5META_SCANNER_DATA;
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goto stateloop;
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}
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default: {
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if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')) {
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metaState = NS_HTML5META_SCANNER_NO;
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state = NS_HTML5META_SCANNER_TAG_NAME;
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goto tagopenloop_end;
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}
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state = NS_HTML5META_SCANNER_DATA;
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reconsume = PR_TRUE;
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goto stateloop;
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}
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}
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}
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tagopenloop_end: ;
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}
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case NS_HTML5META_SCANNER_TAG_NAME: {
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for (; ; ) {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case ' ':
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case '\t':
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case '\n':
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case '\f': {
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state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
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goto tagnameloop_end;
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}
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case '/': {
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state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
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goto stateloop;
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}
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case '>': {
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state = NS_HTML5META_SCANNER_DATA;
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goto stateloop;
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}
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case 'e':
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case 'E': {
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if (metaState == NS_HTML5META_SCANNER_M) {
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metaState = NS_HTML5META_SCANNER_E;
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} else {
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metaState = NS_HTML5META_SCANNER_NO;
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}
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continue;
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}
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case 't':
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case 'T': {
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if (metaState == NS_HTML5META_SCANNER_E) {
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metaState = NS_HTML5META_SCANNER_T;
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} else {
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metaState = NS_HTML5META_SCANNER_NO;
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}
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continue;
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}
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case 'a':
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case 'A': {
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if (metaState == NS_HTML5META_SCANNER_T) {
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metaState = NS_HTML5META_SCANNER_A;
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} else {
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metaState = NS_HTML5META_SCANNER_NO;
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}
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continue;
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}
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default: {
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metaState = NS_HTML5META_SCANNER_NO;
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continue;
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}
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}
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}
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tagnameloop_end: ;
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}
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case NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME: {
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for (; ; ) {
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if (reconsume) {
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reconsume = PR_FALSE;
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} else {
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c = read();
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}
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case ' ':
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case '\t':
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case '\n':
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case '\f': {
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continue;
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}
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case '/': {
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state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
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goto stateloop;
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}
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case '>': {
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state = NS_HTML5META_SCANNER_DATA;
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goto stateloop;
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}
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case 'c':
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case 'C': {
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contentIndex = 0;
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charsetIndex = 0;
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state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
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goto beforeattributenameloop_end;
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}
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default: {
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contentIndex = -1;
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charsetIndex = -1;
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state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
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goto beforeattributenameloop_end;
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}
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}
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}
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beforeattributenameloop_end: ;
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}
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case NS_HTML5META_SCANNER_ATTRIBUTE_NAME: {
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for (; ; ) {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case ' ':
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case '\t':
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case '\n':
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case '\f': {
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state = NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_NAME;
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goto stateloop;
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}
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case '/': {
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state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
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goto stateloop;
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}
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case '=': {
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strBufLen = 0;
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state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_VALUE;
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goto attributenameloop_end;
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}
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case '>': {
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state = NS_HTML5META_SCANNER_DATA;
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goto stateloop;
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}
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default: {
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if (metaState == NS_HTML5META_SCANNER_A) {
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if (c >= 'A' && c <= 'Z') {
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c += 0x20;
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}
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if (contentIndex == 6) {
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contentIndex = -1;
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} else if (contentIndex > -1 && contentIndex < 6 && (c == CONTENT[contentIndex + 1])) {
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contentIndex++;
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}
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if (charsetIndex == 6) {
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charsetIndex = -1;
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} else if (charsetIndex > -1 && charsetIndex < 6 && (c == CHARSET[charsetIndex + 1])) {
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charsetIndex++;
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}
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}
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continue;
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}
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}
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}
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attributenameloop_end: ;
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}
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case NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_VALUE: {
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for (; ; ) {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case ' ':
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case '\t':
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case '\n':
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case '\f': {
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continue;
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}
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case '\"': {
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state = NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_DOUBLE_QUOTED;
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goto beforeattributevalueloop_end;
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}
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case '\'': {
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state = NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_SINGLE_QUOTED;
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goto stateloop;
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}
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case '>': {
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state = NS_HTML5META_SCANNER_DATA;
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goto stateloop;
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}
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default: {
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if (charsetIndex == 6 || contentIndex == 6) {
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addToBuffer(c);
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}
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state = NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_UNQUOTED;
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goto stateloop;
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}
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}
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}
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beforeattributevalueloop_end: ;
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}
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case NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_DOUBLE_QUOTED: {
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for (; ; ) {
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if (reconsume) {
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reconsume = PR_FALSE;
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} else {
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c = read();
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}
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case '\"': {
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if (tryCharset()) {
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goto stateloop_end;
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}
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state = NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_VALUE_QUOTED;
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goto attributevaluedoublequotedloop_end;
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}
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default: {
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if (metaState == NS_HTML5META_SCANNER_A && (contentIndex == 6 || charsetIndex == 6)) {
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addToBuffer(c);
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}
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continue;
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}
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}
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}
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attributevaluedoublequotedloop_end: ;
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}
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case NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_VALUE_QUOTED: {
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for (; ; ) {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case ' ':
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case '\t':
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case '\n':
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case '\f': {
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state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
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goto stateloop;
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}
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case '/': {
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state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
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goto afterattributevaluequotedloop_end;
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}
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case '>': {
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state = NS_HTML5META_SCANNER_DATA;
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goto stateloop;
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}
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default: {
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state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
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reconsume = PR_TRUE;
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goto stateloop;
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}
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}
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}
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afterattributevaluequotedloop_end: ;
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}
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case NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG: {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case '>': {
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state = NS_HTML5META_SCANNER_DATA;
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goto stateloop;
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}
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default: {
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state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
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reconsume = PR_TRUE;
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goto stateloop;
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}
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}
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}
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case NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_UNQUOTED: {
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for (; ; ) {
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if (reconsume) {
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reconsume = PR_FALSE;
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} else {
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c = read();
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}
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case ' ':
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case '\t':
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case '\n':
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case '\f': {
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if (tryCharset()) {
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goto stateloop_end;
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}
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state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
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goto stateloop;
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}
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case '>': {
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if (tryCharset()) {
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goto stateloop_end;
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}
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state = NS_HTML5META_SCANNER_DATA;
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goto stateloop;
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}
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default: {
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if (metaState == NS_HTML5META_SCANNER_A && (contentIndex == 6 || charsetIndex == 6)) {
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addToBuffer(c);
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}
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continue;
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}
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}
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}
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}
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case NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_NAME: {
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for (; ; ) {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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case ' ':
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case '\t':
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case '\n':
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case '\f': {
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continue;
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}
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case '/': {
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if (tryCharset()) {
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goto stateloop_end;
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}
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state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
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goto stateloop;
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}
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case '=': {
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state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_VALUE;
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goto stateloop;
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}
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case '>': {
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if (tryCharset()) {
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goto stateloop_end;
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}
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state = NS_HTML5META_SCANNER_DATA;
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goto stateloop;
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}
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case 'c':
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case 'C': {
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contentIndex = 0;
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charsetIndex = 0;
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state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
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goto stateloop;
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}
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default: {
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contentIndex = -1;
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charsetIndex = -1;
|
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state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
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goto stateloop;
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}
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}
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}
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}
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case NS_HTML5META_SCANNER_MARKUP_DECLARATION_OPEN: {
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for (; ; ) {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
|
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case '-': {
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state = NS_HTML5META_SCANNER_MARKUP_DECLARATION_HYPHEN;
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goto markupdeclarationopenloop_end;
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}
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default: {
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state = NS_HTML5META_SCANNER_SCAN_UNTIL_GT;
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reconsume = PR_TRUE;
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goto stateloop;
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|
}
|
|
}
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|
}
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markupdeclarationopenloop_end: ;
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}
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case NS_HTML5META_SCANNER_MARKUP_DECLARATION_HYPHEN: {
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for (; ; ) {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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|
}
|
|
case '-': {
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state = NS_HTML5META_SCANNER_COMMENT_START;
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goto markupdeclarationhyphenloop_end;
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}
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default: {
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state = NS_HTML5META_SCANNER_SCAN_UNTIL_GT;
|
|
reconsume = PR_TRUE;
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goto stateloop;
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|
}
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}
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|
}
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markupdeclarationhyphenloop_end: ;
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}
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case NS_HTML5META_SCANNER_COMMENT_START: {
|
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for (; ; ) {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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|
}
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|
case '-': {
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state = NS_HTML5META_SCANNER_COMMENT_START_DASH;
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goto stateloop;
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|
}
|
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case '>': {
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state = NS_HTML5META_SCANNER_DATA;
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goto stateloop;
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|
}
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default: {
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state = NS_HTML5META_SCANNER_COMMENT;
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goto commentstartloop_end;
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}
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}
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}
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commentstartloop_end: ;
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}
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case NS_HTML5META_SCANNER_COMMENT: {
|
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for (; ; ) {
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c = read();
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switch(c) {
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case -1: {
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goto stateloop_end;
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}
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|
case '-': {
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state = NS_HTML5META_SCANNER_COMMENT_END_DASH;
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goto commentloop_end;
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}
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default: {
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continue;
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}
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|
}
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|
}
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|
commentloop_end: ;
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|
}
|
|
case NS_HTML5META_SCANNER_COMMENT_END_DASH: {
|
|
for (; ; ) {
|
|
c = read();
|
|
switch(c) {
|
|
case -1: {
|
|
goto stateloop_end;
|
|
}
|
|
case '-': {
|
|
state = NS_HTML5META_SCANNER_COMMENT_END;
|
|
goto commentenddashloop_end;
|
|
}
|
|
default: {
|
|
state = NS_HTML5META_SCANNER_COMMENT;
|
|
goto stateloop;
|
|
}
|
|
}
|
|
}
|
|
commentenddashloop_end: ;
|
|
}
|
|
case NS_HTML5META_SCANNER_COMMENT_END: {
|
|
for (; ; ) {
|
|
c = read();
|
|
switch(c) {
|
|
case -1: {
|
|
goto stateloop_end;
|
|
}
|
|
case '>': {
|
|
state = NS_HTML5META_SCANNER_DATA;
|
|
goto stateloop;
|
|
}
|
|
case '-': {
|
|
continue;
|
|
}
|
|
default: {
|
|
state = NS_HTML5META_SCANNER_COMMENT;
|
|
goto stateloop;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
case NS_HTML5META_SCANNER_COMMENT_START_DASH: {
|
|
c = read();
|
|
switch(c) {
|
|
case -1: {
|
|
goto stateloop_end;
|
|
}
|
|
case '-': {
|
|
state = NS_HTML5META_SCANNER_COMMENT_END;
|
|
goto stateloop;
|
|
}
|
|
case '>': {
|
|
state = NS_HTML5META_SCANNER_DATA;
|
|
goto stateloop;
|
|
}
|
|
default: {
|
|
state = NS_HTML5META_SCANNER_COMMENT;
|
|
goto stateloop;
|
|
}
|
|
}
|
|
}
|
|
case NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_SINGLE_QUOTED: {
|
|
for (; ; ) {
|
|
if (reconsume) {
|
|
reconsume = PR_FALSE;
|
|
} else {
|
|
c = read();
|
|
}
|
|
switch(c) {
|
|
case -1: {
|
|
goto stateloop_end;
|
|
}
|
|
case '\'': {
|
|
if (tryCharset()) {
|
|
goto stateloop_end;
|
|
}
|
|
state = NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_VALUE_QUOTED;
|
|
goto stateloop;
|
|
}
|
|
default: {
|
|
if (metaState == NS_HTML5META_SCANNER_A && (contentIndex == 6 || charsetIndex == 6)) {
|
|
addToBuffer(c);
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
case NS_HTML5META_SCANNER_SCAN_UNTIL_GT: {
|
|
for (; ; ) {
|
|
if (reconsume) {
|
|
reconsume = PR_FALSE;
|
|
} else {
|
|
c = read();
|
|
}
|
|
switch(c) {
|
|
case -1: {
|
|
goto stateloop_end;
|
|
}
|
|
case '>': {
|
|
state = NS_HTML5META_SCANNER_DATA;
|
|
goto stateloop;
|
|
}
|
|
default: {
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
stateloop_end: ;
|
|
stateSave = state;
|
|
}
|
|
|
|
void
|
|
nsHtml5MetaScanner::addToBuffer(PRInt32 c)
|
|
{
|
|
if (strBufLen == strBuf.length) {
|
|
jArray<PRUnichar,PRInt32> newBuf = jArray<PRUnichar,PRInt32>(strBuf.length + (strBuf.length << 1));
|
|
nsHtml5ArrayCopy::arraycopy(strBuf, newBuf, strBuf.length);
|
|
strBuf.release();
|
|
strBuf = newBuf;
|
|
}
|
|
strBuf[strBufLen++] = (PRUnichar) c;
|
|
}
|
|
|
|
PRBool
|
|
nsHtml5MetaScanner::tryCharset()
|
|
{
|
|
if (metaState != NS_HTML5META_SCANNER_A || !(contentIndex == 6 || charsetIndex == 6)) {
|
|
return PR_FALSE;
|
|
}
|
|
nsString* attVal = nsHtml5Portability::newStringFromBuffer(strBuf, 0, strBufLen);
|
|
nsString* candidateEncoding;
|
|
if (contentIndex == 6) {
|
|
candidateEncoding = nsHtml5TreeBuilder::extractCharsetFromContent(attVal);
|
|
nsHtml5Portability::releaseString(attVal);
|
|
} else {
|
|
candidateEncoding = attVal;
|
|
}
|
|
if (!candidateEncoding) {
|
|
return PR_FALSE;
|
|
}
|
|
PRBool success = tryCharset(candidateEncoding);
|
|
nsHtml5Portability::releaseString(candidateEncoding);
|
|
contentIndex = -1;
|
|
charsetIndex = -1;
|
|
return success;
|
|
}
|
|
|
|
void
|
|
nsHtml5MetaScanner::initializeStatics()
|
|
{
|
|
}
|
|
|
|
void
|
|
nsHtml5MetaScanner::releaseStatics()
|
|
{
|
|
}
|
|
|
|
|
|
#include "nsHtml5MetaScannerCppSupplement.h"
|
|
|