/* * Copyright (c) 2007 Henri Sivonen * 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. */ /* * 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(nsHtml5TreeBuilder* tb) : 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), treeBuilder(tb) { 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, treeBuilder); return; } if (charsetIndex == CHARSET.length && !charset) { charset = nsHtml5Portability::newStringFromBuffer(strBuf, 0, strBufLen, treeBuilder); 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, treeBuilder); if (!extract) { return false; } bool success = tryCharset(extract); nsHtml5Portability::releaseString(extract); return success; } return false; } void nsHtml5MetaScanner::initializeStatics() { } void nsHtml5MetaScanner::releaseStatics() { } #include "nsHtml5MetaScannerCppSupplement.h"