The Tor Browser: parser/html/nsHtml5MetaScanner.cpp@925c144e1f1f (annotated)

parser/html/nsHtml5MetaScanner.cpp@925c144e1f1f (annotated)

parser/html/nsHtml5MetaScanner.cpp

Fri, 16 Jan 2015 18:13:44 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 16 Jan 2015 18:13:44 +0100
branch: TOR_BUG_9701
changeset 14: 925c144e1f1f
permissions: -rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

 /*
  * Copyright (c) 2007 Henri Sivonen
  * Copyright (c) 2008-2010 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.
  */
 /*
  * THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.
  * Please edit MetaScanner.java instead and regenerate.
  */
 #define nsHtml5MetaScanner_cpp__
 #include "nsIAtom.h"
 #include "nsHtml5AtomTable.h"
 #include "nsString.h"
 #include "nsNameSpaceManager.h"
 #include "nsIContent.h"
 #include "nsTraceRefcnt.h"
 #include "jArray.h"
 #include "nsHtml5ArrayCopy.h"
 #include "nsAHtml5TreeBuilderState.h"
 #include "nsHtml5Atoms.h"
 #include "nsHtml5ByteReadable.h"
 #include "nsIUnicodeDecoder.h"
 #include "nsHtml5Macros.h"
 #include "nsIContentHandle.h"
 #include "nsHtml5Tokenizer.h"
 #include "nsHtml5TreeBuilder.h"
 #include "nsHtml5AttributeName.h"
 #include "nsHtml5ElementName.h"
 #include "nsHtml5HtmlAttributes.h"
 #include "nsHtml5StackNode.h"
 #include "nsHtml5UTF16Buffer.h"
 #include "nsHtml5StateSnapshot.h"
 #include "nsHtml5Portability.h"
 #include "nsHtml5MetaScanner.h"
 static char16_t const CHARSET_DATA[] = { 'h', 'a', 'r', 's', 'e', 't' };
 staticJArray<char16_t,int32_t> nsHtml5MetaScanner::CHARSET = { CHARSET_DATA, MOZ_ARRAY_LENGTH(CHARSET_DATA) };
 static char16_t const CONTENT_DATA[] = { 'o', 'n', 't', 'e', 'n', 't' };
 staticJArray<char16_t,int32_t> nsHtml5MetaScanner::CONTENT = { CONTENT_DATA, MOZ_ARRAY_LENGTH(CONTENT_DATA) };
 static char16_t const HTTP_EQUIV_DATA[] = { 't', 't', 'p', '-', 'e', 'q', 'u', 'i', 'v' };
 staticJArray<char16_t,int32_t> nsHtml5MetaScanner::HTTP_EQUIV = { HTTP_EQUIV_DATA, MOZ_ARRAY_LENGTH(HTTP_EQUIV_DATA) };
 static char16_t const CONTENT_TYPE_DATA[] = { 'c', 'o', 'n', 't', 'e', 'n', 't', '-', 't', 'y', 'p', 'e' };
 staticJArray<char16_t,int32_t> nsHtml5MetaScanner::CONTENT_TYPE = { CONTENT_TYPE_DATA, MOZ_ARRAY_LENGTH(CONTENT_TYPE_DATA) };
 nsHtml5MetaScanner::nsHtml5MetaScanner()
   : readable(nullptr),
     metaState(NS_HTML5META_SCANNER_NO),
     contentIndex(INT32_MAX),
     charsetIndex(INT32_MAX),
     httpEquivIndex(INT32_MAX),
     contentTypeIndex(INT32_MAX),
     stateSave(NS_HTML5META_SCANNER_DATA),
     strBufLen(0),
     strBuf(jArray<char16_t,int32_t>::newJArray(36)),
     content(nullptr),
     charset(nullptr),
     httpEquivState(NS_HTML5META_SCANNER_HTTP_EQUIV_NOT_SEEN)
 {
   MOZ_COUNT_CTOR(nsHtml5MetaScanner);
 }
 nsHtml5MetaScanner::~nsHtml5MetaScanner()
 {
   MOZ_COUNT_DTOR(nsHtml5MetaScanner);
   nsHtml5Portability::releaseString(content);
   nsHtml5Portability::releaseString(charset);
 }
 void
 nsHtml5MetaScanner::stateLoop(int32_t state)
 {
   int32_t c = -1;
   bool reconsume = false;
   stateloop: for (; ; ) {
     switch(state) {
       case NS_HTML5META_SCANNER_DATA: {
         for (; ; ) {
           if (reconsume) {
             reconsume = false;
           } else {
             c = read();
           }
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case '<': {
               state = NS_HTML5META_SCANNER_TAG_OPEN;
               NS_HTML5_BREAK(dataloop);
             }
             default: {
               continue;
             }
           }
         }
         dataloop_end: ;
       }
       case NS_HTML5META_SCANNER_TAG_OPEN: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case 'm':
             case 'M': {
               metaState = NS_HTML5META_SCANNER_M;
               state = NS_HTML5META_SCANNER_TAG_NAME;
               NS_HTML5_BREAK(tagopenloop);
             }
             case '!': {
               state = NS_HTML5META_SCANNER_MARKUP_DECLARATION_OPEN;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '\?':
             case '/': {
               state = NS_HTML5META_SCANNER_SCAN_UNTIL_GT;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '>': {
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             default: {
               if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')) {
                 metaState = NS_HTML5META_SCANNER_NO;
                 state = NS_HTML5META_SCANNER_TAG_NAME;
                 NS_HTML5_BREAK(tagopenloop);
               }
               state = NS_HTML5META_SCANNER_DATA;
               reconsume = true;
               NS_HTML5_CONTINUE(stateloop);
             }
           }
         }
         tagopenloop_end: ;
       }
       case NS_HTML5META_SCANNER_TAG_NAME: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case ' ':
             case '\t':
             case '\n':
             case '\f': {
               state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
               NS_HTML5_BREAK(tagnameloop);
             }
             case '/': {
               state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '>': {
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             case 'e':
             case 'E': {
               if (metaState == NS_HTML5META_SCANNER_M) {
                 metaState = NS_HTML5META_SCANNER_E;
               } else {
                 metaState = NS_HTML5META_SCANNER_NO;
               }
               continue;
             }
             case 't':
             case 'T': {
               if (metaState == NS_HTML5META_SCANNER_E) {
                 metaState = NS_HTML5META_SCANNER_T;
               } else {
                 metaState = NS_HTML5META_SCANNER_NO;
               }
               continue;
             }
             case 'a':
             case 'A': {
               if (metaState == NS_HTML5META_SCANNER_T) {
                 metaState = NS_HTML5META_SCANNER_A;
               } else {
                 metaState = NS_HTML5META_SCANNER_NO;
               }
               continue;
             }
             default: {
               metaState = NS_HTML5META_SCANNER_NO;
               continue;
             }
           }
         }
         tagnameloop_end: ;
       }
       case NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME: {
         for (; ; ) {
           if (reconsume) {
             reconsume = false;
           } else {
             c = read();
           }
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case ' ':
             case '\t':
             case '\n':
             case '\f': {
               continue;
             }
             case '/': {
               state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '>': {
               if (handleTag()) {
                 NS_HTML5_BREAK(stateloop);
               }
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             case 'c':
             case 'C': {
               contentIndex = 0;
               charsetIndex = 0;
               httpEquivIndex = INT32_MAX;
               contentTypeIndex = INT32_MAX;
               state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
               NS_HTML5_BREAK(beforeattributenameloop);
             }
             case 'h':
             case 'H': {
               contentIndex = INT32_MAX;
               charsetIndex = INT32_MAX;
               httpEquivIndex = 0;
               contentTypeIndex = INT32_MAX;
               state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
               NS_HTML5_BREAK(beforeattributenameloop);
             }
             default: {
               contentIndex = INT32_MAX;
               charsetIndex = INT32_MAX;
               httpEquivIndex = INT32_MAX;
               contentTypeIndex = INT32_MAX;
               state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
               NS_HTML5_BREAK(beforeattributenameloop);
             }
           }
         }
         beforeattributenameloop_end: ;
       }
       case NS_HTML5META_SCANNER_ATTRIBUTE_NAME: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case ' ':
             case '\t':
             case '\n':
             case '\f': {
               state = NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_NAME;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '/': {
               state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '=': {
               strBufLen = 0;
               contentTypeIndex = 0;
               state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_VALUE;
               NS_HTML5_BREAK(attributenameloop);
             }
             case '>': {
               if (handleTag()) {
                 NS_HTML5_BREAK(stateloop);
               }
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             default: {
               if (metaState == NS_HTML5META_SCANNER_A) {
                 if (c >= 'A' && c <= 'Z') {
                   c += 0x20;
                 }
                 if (contentIndex < CONTENT.length && c == CONTENT[contentIndex]) {
                   ++contentIndex;
                 } else {
                   contentIndex = INT32_MAX;
                 }
                 if (charsetIndex < CHARSET.length && c == CHARSET[charsetIndex]) {
                   ++charsetIndex;
                 } else {
                   charsetIndex = INT32_MAX;
                 }
                 if (httpEquivIndex < HTTP_EQUIV.length && c == HTTP_EQUIV[httpEquivIndex]) {
                   ++httpEquivIndex;
                 } else {
                   httpEquivIndex = INT32_MAX;
                 }
               }
               continue;
             }
           }
         }
         attributenameloop_end: ;
       }
       case NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_VALUE: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case ' ':
             case '\t':
             case '\n':
             case '\f': {
               continue;
             }
             case '\"': {
               state = NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_DOUBLE_QUOTED;
               NS_HTML5_BREAK(beforeattributevalueloop);
             }
             case '\'': {
               state = NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_SINGLE_QUOTED;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '>': {
               if (handleTag()) {
                 NS_HTML5_BREAK(stateloop);
               }
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             default: {
               handleCharInAttributeValue(c);
               state = NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_UNQUOTED;
               NS_HTML5_CONTINUE(stateloop);
             }
           }
         }
         beforeattributevalueloop_end: ;
       }
       case NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_DOUBLE_QUOTED: {
         for (; ; ) {
           if (reconsume) {
             reconsume = false;
           } else {
             c = read();
           }
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case '\"': {
               handleAttributeValue();
               state = NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_VALUE_QUOTED;
               NS_HTML5_BREAK(attributevaluedoublequotedloop);
             }
             default: {
               handleCharInAttributeValue(c);
               continue;
             }
           }
         }
         attributevaluedoublequotedloop_end: ;
       }
       case NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_VALUE_QUOTED: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case ' ':
             case '\t':
             case '\n':
             case '\f': {
               state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '/': {
               state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
               NS_HTML5_BREAK(afterattributevaluequotedloop);
             }
             case '>': {
               if (handleTag()) {
                 NS_HTML5_BREAK(stateloop);
               }
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             default: {
               state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
               reconsume = true;
               NS_HTML5_CONTINUE(stateloop);
             }
           }
         }
         afterattributevaluequotedloop_end: ;
       }
       case NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG: {
         c = read();
         switch(c) {
           case -1: {
             NS_HTML5_BREAK(stateloop);
           }
           case '>': {
             if (handleTag()) {
               NS_HTML5_BREAK(stateloop);
             }
             state = NS_HTML5META_SCANNER_DATA;
             NS_HTML5_CONTINUE(stateloop);
           }
           default: {
             state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
             reconsume = true;
             NS_HTML5_CONTINUE(stateloop);
           }
         }
       }
       case NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_UNQUOTED: {
         for (; ; ) {
           if (reconsume) {
             reconsume = false;
           } else {
             c = read();
           }
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case ' ':
             case '\t':
             case '\n':
             case '\f': {
               handleAttributeValue();
               state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_NAME;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '>': {
               handleAttributeValue();
               if (handleTag()) {
                 NS_HTML5_BREAK(stateloop);
               }
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             default: {
               handleCharInAttributeValue(c);
               continue;
             }
           }
         }
       }
       case NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_NAME: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case ' ':
             case '\t':
             case '\n':
             case '\f': {
               continue;
             }
             case '/': {
               handleAttributeValue();
               state = NS_HTML5META_SCANNER_SELF_CLOSING_START_TAG;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '=': {
               strBufLen = 0;
               contentTypeIndex = 0;
               state = NS_HTML5META_SCANNER_BEFORE_ATTRIBUTE_VALUE;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '>': {
               handleAttributeValue();
               if (handleTag()) {
                 NS_HTML5_BREAK(stateloop);
               }
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             case 'c':
             case 'C': {
               contentIndex = 0;
               charsetIndex = 0;
               state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
               NS_HTML5_CONTINUE(stateloop);
             }
             default: {
               contentIndex = INT32_MAX;
               charsetIndex = INT32_MAX;
               state = NS_HTML5META_SCANNER_ATTRIBUTE_NAME;
               NS_HTML5_CONTINUE(stateloop);
             }
           }
         }
       }
       case NS_HTML5META_SCANNER_MARKUP_DECLARATION_OPEN: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case '-': {
               state = NS_HTML5META_SCANNER_MARKUP_DECLARATION_HYPHEN;
               NS_HTML5_BREAK(markupdeclarationopenloop);
             }
             default: {
               state = NS_HTML5META_SCANNER_SCAN_UNTIL_GT;
               reconsume = true;
               NS_HTML5_CONTINUE(stateloop);
             }
           }
         }
         markupdeclarationopenloop_end: ;
       }
       case NS_HTML5META_SCANNER_MARKUP_DECLARATION_HYPHEN: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case '-': {
               state = NS_HTML5META_SCANNER_COMMENT_START;
               NS_HTML5_BREAK(markupdeclarationhyphenloop);
             }
             default: {
               state = NS_HTML5META_SCANNER_SCAN_UNTIL_GT;
               reconsume = true;
               NS_HTML5_CONTINUE(stateloop);
             }
           }
         }
         markupdeclarationhyphenloop_end: ;
       }
       case NS_HTML5META_SCANNER_COMMENT_START: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case '-': {
               state = NS_HTML5META_SCANNER_COMMENT_START_DASH;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '>': {
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             default: {
               state = NS_HTML5META_SCANNER_COMMENT;
               NS_HTML5_BREAK(commentstartloop);
             }
           }
         }
         commentstartloop_end: ;
       }
       case NS_HTML5META_SCANNER_COMMENT: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case '-': {
               state = NS_HTML5META_SCANNER_COMMENT_END_DASH;
               NS_HTML5_BREAK(commentloop);
             }
             default: {
               continue;
             }
           }
         }
         commentloop_end: ;
       }
       case NS_HTML5META_SCANNER_COMMENT_END_DASH: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case '-': {
               state = NS_HTML5META_SCANNER_COMMENT_END;
               NS_HTML5_BREAK(commentenddashloop);
             }
             default: {
               state = NS_HTML5META_SCANNER_COMMENT;
               NS_HTML5_CONTINUE(stateloop);
             }
           }
         }
         commentenddashloop_end: ;
       }
       case NS_HTML5META_SCANNER_COMMENT_END: {
         for (; ; ) {
           c = read();
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case '>': {
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             case '-': {
               continue;
             }
             default: {
               state = NS_HTML5META_SCANNER_COMMENT;
               NS_HTML5_CONTINUE(stateloop);
             }
           }
         }
       }
       case NS_HTML5META_SCANNER_COMMENT_START_DASH: {
         c = read();
         switch(c) {
           case -1: {
             NS_HTML5_BREAK(stateloop);
           }
           case '-': {
             state = NS_HTML5META_SCANNER_COMMENT_END;
             NS_HTML5_CONTINUE(stateloop);
           }
           case '>': {
             state = NS_HTML5META_SCANNER_DATA;
             NS_HTML5_CONTINUE(stateloop);
           }
           default: {
             state = NS_HTML5META_SCANNER_COMMENT;
             NS_HTML5_CONTINUE(stateloop);
           }
         }
       }
       case NS_HTML5META_SCANNER_ATTRIBUTE_VALUE_SINGLE_QUOTED: {
         for (; ; ) {
           if (reconsume) {
             reconsume = false;
           } else {
             c = read();
           }
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case '\'': {
               handleAttributeValue();
               state = NS_HTML5META_SCANNER_AFTER_ATTRIBUTE_VALUE_QUOTED;
               NS_HTML5_CONTINUE(stateloop);
             }
             default: {
               handleCharInAttributeValue(c);
               continue;
             }
           }
         }
       }
       case NS_HTML5META_SCANNER_SCAN_UNTIL_GT: {
         for (; ; ) {
           if (reconsume) {
             reconsume = false;
           } else {
             c = read();
           }
           switch(c) {
             case -1: {
               NS_HTML5_BREAK(stateloop);
             }
             case '>': {
               state = NS_HTML5META_SCANNER_DATA;
               NS_HTML5_CONTINUE(stateloop);
             }
             default: {
               continue;
             }
           }
         }
       }
     }
   }
   stateloop_end: ;
   stateSave = state;
 }
 void
 nsHtml5MetaScanner::handleCharInAttributeValue(int32_t c)
 {
   if (metaState == NS_HTML5META_SCANNER_A) {
     if (contentIndex == CONTENT.length || charsetIndex == CHARSET.length) {
       addToBuffer(c);
     } else if (httpEquivIndex == HTTP_EQUIV.length) {
       if (contentTypeIndex < CONTENT_TYPE.length && toAsciiLowerCase(c) == CONTENT_TYPE[contentTypeIndex]) {
         ++contentTypeIndex;
       } else {
         contentTypeIndex = INT32_MAX;
       }
     }
   }
 }
 void
 nsHtml5MetaScanner::addToBuffer(int32_t c)
 {
   if (strBufLen == strBuf.length) {
     jArray<char16_t,int32_t> newBuf = jArray<char16_t,int32_t>::newJArray(strBuf.length + (strBuf.length << 1));
     nsHtml5ArrayCopy::arraycopy(strBuf, newBuf, strBuf.length);
     strBuf = newBuf;
   }
   strBuf[strBufLen++] = (char16_t) c;
 }
 void
 nsHtml5MetaScanner::handleAttributeValue()
 {
   if (metaState != NS_HTML5META_SCANNER_A) {
     return;
   }
   if (contentIndex == CONTENT.length && !content) {
     content = nsHtml5Portability::newStringFromBuffer(strBuf, 0, strBufLen);
     return;
   }
   if (charsetIndex == CHARSET.length && !charset) {
     charset = nsHtml5Portability::newStringFromBuffer(strBuf, 0, strBufLen);
     return;
   }
   if (httpEquivIndex == HTTP_EQUIV.length && httpEquivState == NS_HTML5META_SCANNER_HTTP_EQUIV_NOT_SEEN) {
     httpEquivState = (contentTypeIndex == CONTENT_TYPE.length) ? NS_HTML5META_SCANNER_HTTP_EQUIV_CONTENT_TYPE : NS_HTML5META_SCANNER_HTTP_EQUIV_OTHER;
     return;
   }
 }
 bool
 nsHtml5MetaScanner::handleTag()
 {
   bool stop = handleTagInner();
   nsHtml5Portability::releaseString(content);
   content = nullptr;
   nsHtml5Portability::releaseString(charset);
   charset = nullptr;
   httpEquivState = NS_HTML5META_SCANNER_HTTP_EQUIV_NOT_SEEN;
   return stop;
 }
 bool
 nsHtml5MetaScanner::handleTagInner()
 {
   if (!!charset && tryCharset(charset)) {
     return true;
   }
   if (!!content && httpEquivState == NS_HTML5META_SCANNER_HTTP_EQUIV_CONTENT_TYPE) {
     nsString* extract = nsHtml5TreeBuilder::extractCharsetFromContent(content);
     if (!extract) {
       return false;
     }
     bool success = tryCharset(extract);
     nsHtml5Portability::releaseString(extract);
     return success;
   }
   return false;
 }
 void
 nsHtml5MetaScanner::initializeStatics()
 {
 }
 void
 nsHtml5MetaScanner::releaseStatics()
 {
 }
 #include "nsHtml5MetaScannerCppSupplement.h"

The Tor Browser / annotate

parser/html/nsHtml5MetaScanner.cpp@925c144e1f1f (annotated)

parser/html/nsHtml5MetaScanner.cpp