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com.greenpepper.shaded.org.jsoup.parser.HtmlTreeBuilderState Maven / Gradle / Ivy
package com.greenpepper.shaded.org.jsoup.parser;
import com.greenpepper.shaded.org.jsoup.helper.StringUtil;
import com.greenpepper.shaded.org.jsoup.nodes.*;
import java.util.ArrayList;
/**
* The Tree Builder's current state. Each state embodies the processing for the state, and transitions to other states.
*/
enum HtmlTreeBuilderState {
Initial {
boolean process(Token t, HtmlTreeBuilder tb) {
if (isWhitespace(t)) {
return true; // ignore whitespace
} else if (t.isComment()) {
tb.insert(t.asComment());
} else if (t.isDoctype()) {
// todo: parse error check on expected doctypes
// todo: quirk state check on doctype ids
Token.Doctype d = t.asDoctype();
DocumentType doctype = new DocumentType(d.getName(), d.getPublicIdentifier(), d.getSystemIdentifier(), tb.getBaseUri());
tb.getDocument().appendChild(doctype);
if (d.isForceQuirks())
tb.getDocument().quirksMode(Document.QuirksMode.quirks);
tb.transition(BeforeHtml);
} else {
// todo: check not iframe srcdoc
tb.transition(BeforeHtml);
return tb.process(t); // re-process token
}
return true;
}
},
BeforeHtml {
boolean process(Token t, HtmlTreeBuilder tb) {
if (t.isDoctype()) {
tb.error(this);
return false;
} else if (t.isComment()) {
tb.insert(t.asComment());
} else if (isWhitespace(t)) {
return true; // ignore whitespace
} else if (t.isStartTag() && t.asStartTag().name().equals("html")) {
tb.insert(t.asStartTag());
tb.transition(BeforeHead);
} else if (t.isEndTag() && (StringUtil.in(t.asEndTag().name(), "head", "body", "html", "br"))) {
return anythingElse(t, tb);
} else if (t.isEndTag()) {
tb.error(this);
return false;
} else {
return anythingElse(t, tb);
}
return true;
}
private boolean anythingElse(Token t, HtmlTreeBuilder tb) {
tb.insertStartTag("html");
tb.transition(BeforeHead);
return tb.process(t);
}
},
BeforeHead {
boolean process(Token t, HtmlTreeBuilder tb) {
if (isWhitespace(t)) {
return true;
} else if (t.isComment()) {
tb.insert(t.asComment());
} else if (t.isDoctype()) {
tb.error(this);
return false;
} else if (t.isStartTag() && t.asStartTag().name().equals("html")) {
return InBody.process(t, tb); // does not transition
} else if (t.isStartTag() && t.asStartTag().name().equals("head")) {
Element head = tb.insert(t.asStartTag());
tb.setHeadElement(head);
tb.transition(InHead);
} else if (t.isEndTag() && (StringUtil.in(t.asEndTag().name(), "head", "body", "html", "br"))) {
tb.processStartTag("head");
return tb.process(t);
} else if (t.isEndTag()) {
tb.error(this);
return false;
} else {
tb.processStartTag("head");
return tb.process(t);
}
return true;
}
},
InHead {
boolean process(Token t, HtmlTreeBuilder tb) {
if (isWhitespace(t)) {
tb.insert(t.asCharacter());
return true;
}
switch (t.type) {
case Comment:
tb.insert(t.asComment());
break;
case Doctype:
tb.error(this);
return false;
case StartTag:
Token.StartTag start = t.asStartTag();
String name = start.name();
if (name.equals("html")) {
return InBody.process(t, tb);
} else if (StringUtil.in(name, "base", "basefont", "bgsound", "command", "link")) {
Element el = tb.insertEmpty(start);
// jsoup special: update base the frist time it is seen
if (name.equals("base") && el.hasAttr("href"))
tb.maybeSetBaseUri(el);
} else if (name.equals("meta")) {
Element meta = tb.insertEmpty(start);
// todo: charset switches
} else if (name.equals("title")) {
handleRcData(start, tb);
} else if (StringUtil.in(name, "noframes", "style")) {
handleRawtext(start, tb);
} else if (name.equals("noscript")) {
// else if noscript && scripting flag = true: rawtext (jsoup doesn't run script, to handle as noscript)
tb.insert(start);
tb.transition(InHeadNoscript);
} else if (name.equals("script")) {
// skips some script rules as won't execute them
tb.tokeniser.transition(TokeniserState.ScriptData);
tb.markInsertionMode();
tb.transition(Text);
tb.insert(start);
} else if (name.equals("head")) {
tb.error(this);
return false;
} else {
return anythingElse(t, tb);
}
break;
case EndTag:
Token.EndTag end = t.asEndTag();
name = end.name();
if (name.equals("head")) {
tb.pop();
tb.transition(AfterHead);
} else if (StringUtil.in(name, "body", "html", "br")) {
return anythingElse(t, tb);
} else {
tb.error(this);
return false;
}
break;
default:
return anythingElse(t, tb);
}
return true;
}
private boolean anythingElse(Token t, TreeBuilder tb) {
tb.processEndTag("head");
return tb.process(t);
}
},
InHeadNoscript {
boolean process(Token t, HtmlTreeBuilder tb) {
if (t.isDoctype()) {
tb.error(this);
} else if (t.isStartTag() && t.asStartTag().name().equals("html")) {
return tb.process(t, InBody);
} else if (t.isEndTag() && t.asEndTag().name().equals("noscript")) {
tb.pop();
tb.transition(InHead);
} else if (isWhitespace(t) || t.isComment() || (t.isStartTag() && StringUtil.in(t.asStartTag().name(),
"basefont", "bgsound", "link", "meta", "noframes", "style"))) {
return tb.process(t, InHead);
} else if (t.isEndTag() && t.asEndTag().name().equals("br")) {
return anythingElse(t, tb);
} else if ((t.isStartTag() && StringUtil.in(t.asStartTag().name(), "head", "noscript")) || t.isEndTag()) {
tb.error(this);
return false;
} else {
return anythingElse(t, tb);
}
return true;
}
private boolean anythingElse(Token t, HtmlTreeBuilder tb) {
tb.error(this);
tb.insert(new Token.Character().data(t.toString()));
return true;
}
},
AfterHead {
boolean process(Token t, HtmlTreeBuilder tb) {
if (isWhitespace(t)) {
tb.insert(t.asCharacter());
} else if (t.isComment()) {
tb.insert(t.asComment());
} else if (t.isDoctype()) {
tb.error(this);
} else if (t.isStartTag()) {
Token.StartTag startTag = t.asStartTag();
String name = startTag.name();
if (name.equals("html")) {
return tb.process(t, InBody);
} else if (name.equals("body")) {
tb.insert(startTag);
tb.framesetOk(false);
tb.transition(InBody);
} else if (name.equals("frameset")) {
tb.insert(startTag);
tb.transition(InFrameset);
} else if (StringUtil.in(name, "base", "basefont", "bgsound", "link", "meta", "noframes", "script", "style", "title")) {
tb.error(this);
Element head = tb.getHeadElement();
tb.push(head);
tb.process(t, InHead);
tb.removeFromStack(head);
} else if (name.equals("head")) {
tb.error(this);
return false;
} else {
anythingElse(t, tb);
}
} else if (t.isEndTag()) {
if (StringUtil.in(t.asEndTag().name(), "body", "html")) {
anythingElse(t, tb);
} else {
tb.error(this);
return false;
}
} else {
anythingElse(t, tb);
}
return true;
}
private boolean anythingElse(Token t, HtmlTreeBuilder tb) {
tb.processStartTag("body");
tb.framesetOk(true);
return tb.process(t);
}
},
InBody {
boolean process(Token t, HtmlTreeBuilder tb) {
switch (t.type) {
case Character: {
Token.Character c = t.asCharacter();
if (c.getData().equals(nullString)) {
// todo confirm that check
tb.error(this);
return false;
} else if (tb.framesetOk() && isWhitespace(c)) { // don't check if whitespace if frames already closed
tb.reconstructFormattingElements();
tb.insert(c);
} else {
tb.reconstructFormattingElements();
tb.insert(c);
tb.framesetOk(false);
}
break;
}
case Comment: {
tb.insert(t.asComment());
break;
}
case Doctype: {
tb.error(this);
return false;
}
case StartTag:
Token.StartTag startTag = t.asStartTag();
String name = startTag.name();
if (name.equals("a")) {
if (tb.getActiveFormattingElement("a") != null) {
tb.error(this);
tb.processEndTag("a");
// still on stack?
Element remainingA = tb.getFromStack("a");
if (remainingA != null) {
tb.removeFromActiveFormattingElements(remainingA);
tb.removeFromStack(remainingA);
}
}
tb.reconstructFormattingElements();
Element a = tb.insert(startTag);
tb.pushActiveFormattingElements(a);
} else if (StringUtil.inSorted(name, Constants.InBodyStartEmptyFormatters)) {
tb.reconstructFormattingElements();
tb.insertEmpty(startTag);
tb.framesetOk(false);
} else if (StringUtil.inSorted(name, Constants.InBodyStartPClosers)) {
if (tb.inButtonScope("p")) {
tb.processEndTag("p");
}
tb.insert(startTag);
} else if (name.equals("span")) {
// same as final else, but short circuits lots of checks
tb.reconstructFormattingElements();
tb.insert(startTag);
} else if (name.equals("li")) {
tb.framesetOk(false);
ArrayList stack = tb.getStack();
for (int i = stack.size() - 1; i > 0; i--) {
Element el = stack.get(i);
if (el.nodeName().equals("li")) {
tb.processEndTag("li");
break;
}
if (tb.isSpecial(el) && !StringUtil.inSorted(el.nodeName(), Constants.InBodyStartLiBreakers))
break;
}
if (tb.inButtonScope("p")) {
tb.processEndTag("p");
}
tb.insert(startTag);
} else if (name.equals("html")) {
tb.error(this);
// merge attributes onto real html
Element html = tb.getStack().get(0);
for (Attribute attribute : startTag.getAttributes()) {
if (!html.hasAttr(attribute.getKey()))
html.attributes().put(attribute);
}
} else if (StringUtil.inSorted(name, Constants.InBodyStartToHead)) {
return tb.process(t, InHead);
} else if (name.equals("body")) {
tb.error(this);
ArrayList stack = tb.getStack();
if (stack.size() == 1 || (stack.size() > 2 && !stack.get(1).nodeName().equals("body"))) {
// only in fragment case
return false; // ignore
} else {
tb.framesetOk(false);
Element body = stack.get(1);
for (Attribute attribute : startTag.getAttributes()) {
if (!body.hasAttr(attribute.getKey()))
body.attributes().put(attribute);
}
}
} else if (name.equals("frameset")) {
tb.error(this);
ArrayList stack = tb.getStack();
if (stack.size() == 1 || (stack.size() > 2 && !stack.get(1).nodeName().equals("body"))) {
// only in fragment case
return false; // ignore
} else if (!tb.framesetOk()) {
return false; // ignore frameset
} else {
Element second = stack.get(1);
if (second.parent() != null)
second.remove();
// pop up to html element
while (stack.size() > 1)
stack.remove(stack.size()-1);
tb.insert(startTag);
tb.transition(InFrameset);
}
} else if (StringUtil.inSorted(name, Constants.Headings)) {
if (tb.inButtonScope("p")) {
tb.processEndTag("p");
}
if (StringUtil.inSorted(tb.currentElement().nodeName(), Constants.Headings)) {
tb.error(this);
tb.pop();
}
tb.insert(startTag);
} else if (StringUtil.inSorted(name, Constants.InBodyStartPreListing)) {
if (tb.inButtonScope("p")) {
tb.processEndTag("p");
}
tb.insert(startTag);
// todo: ignore LF if next token
tb.framesetOk(false);
} else if (name.equals("form")) {
if (tb.getFormElement() != null) {
tb.error(this);
return false;
}
if (tb.inButtonScope("p")) {
tb.processEndTag("p");
}
tb.insertForm(startTag, true);
} else if (StringUtil.inSorted(name, Constants.DdDt)) {
tb.framesetOk(false);
ArrayList stack = tb.getStack();
for (int i = stack.size() - 1; i > 0; i--) {
Element el = stack.get(i);
if (StringUtil.inSorted(el.nodeName(), Constants.DdDt)) {
tb.processEndTag(el.nodeName());
break;
}
if (tb.isSpecial(el) && !StringUtil.inSorted(el.nodeName(), Constants.InBodyStartLiBreakers))
break;
}
if (tb.inButtonScope("p")) {
tb.processEndTag("p");
}
tb.insert(startTag);
} else if (name.equals("plaintext")) {
if (tb.inButtonScope("p")) {
tb.processEndTag("p");
}
tb.insert(startTag);
tb.tokeniser.transition(TokeniserState.PLAINTEXT); // once in, never gets out
} else if (name.equals("button")) {
if (tb.inButtonScope("button")) {
// close and reprocess
tb.error(this);
tb.processEndTag("button");
tb.process(startTag);
} else {
tb.reconstructFormattingElements();
tb.insert(startTag);
tb.framesetOk(false);
}
} else if (StringUtil.inSorted(name, Constants.Formatters)) {
tb.reconstructFormattingElements();
Element el = tb.insert(startTag);
tb.pushActiveFormattingElements(el);
} else if (name.equals("nobr")) {
tb.reconstructFormattingElements();
if (tb.inScope("nobr")) {
tb.error(this);
tb.processEndTag("nobr");
tb.reconstructFormattingElements();
}
Element el = tb.insert(startTag);
tb.pushActiveFormattingElements(el);
} else if (StringUtil.inSorted(name, Constants.InBodyStartApplets)) {
tb.reconstructFormattingElements();
tb.insert(startTag);
tb.insertMarkerToFormattingElements();
tb.framesetOk(false);
} else if (name.equals("table")) {
if (tb.getDocument().quirksMode() != Document.QuirksMode.quirks && tb.inButtonScope("p")) {
tb.processEndTag("p");
}
tb.insert(startTag);
tb.framesetOk(false);
tb.transition(InTable);
} else if (name.equals("input")) {
tb.reconstructFormattingElements();
Element el = tb.insertEmpty(startTag);
if (!el.attr("type").equalsIgnoreCase("hidden"))
tb.framesetOk(false);
} else if (StringUtil.inSorted(name, Constants.InBodyStartMedia)) {
tb.insertEmpty(startTag);
} else if (name.equals("hr")) {
if (tb.inButtonScope("p")) {
tb.processEndTag("p");
}
tb.insertEmpty(startTag);
tb.framesetOk(false);
} else if (name.equals("image")) {
if (tb.getFromStack("svg") == null)
return tb.process(startTag.name("img")); // change to stack = tb.getStack();
// the spec doesn't limit to < 64, but in degenerate cases (9000+ stack depth) this prevents
// run-aways
final int stackSize = stack.size();
for (int si = 0; si < stackSize && si < 64; si++) {
Element el = stack.get(si);
if (el == formatEl) {
commonAncestor = stack.get(si - 1);
seenFormattingElement = true;
} else if (seenFormattingElement && tb.isSpecial(el)) {
furthestBlock = el;
break;
}
}
if (furthestBlock == null) {
tb.popStackToClose(formatEl.nodeName());
tb.removeFromActiveFormattingElements(formatEl);
return true;
}
// todo: Let a bookmark note the position of the formatting element in the list of active formatting elements relative to the elements on either side of it in the list.
// does that mean: int pos of format el in list?
Element node = furthestBlock;
Element lastNode = furthestBlock;
for (int j = 0; j < 3; j++) {
if (tb.onStack(node))
node = tb.aboveOnStack(node);
if (!tb.isInActiveFormattingElements(node)) { // note no bookmark check
tb.removeFromStack(node);
continue;
} else if (node == formatEl)
break;
Element replacement = new Element(Tag.valueOf(node.nodeName()), tb.getBaseUri());
tb.replaceActiveFormattingElement(node, replacement);
tb.replaceOnStack(node, replacement);
node = replacement;
if (lastNode == furthestBlock) {
// todo: move the aforementioned bookmark to be immediately after the new node in the list of active formatting elements.
// not getting how this bookmark both straddles the element above, but is inbetween here...
}
if (lastNode.parent() != null)
lastNode.remove();
node.appendChild(lastNode);
lastNode = node;
}
if (StringUtil.inSorted(commonAncestor.nodeName(), Constants.InBodyEndTableFosters)) {
if (lastNode.parent() != null)
lastNode.remove();
tb.insertInFosterParent(lastNode);
} else {
if (lastNode.parent() != null)
lastNode.remove();
commonAncestor.appendChild(lastNode);
}
Element adopter = new Element(formatEl.tag(), tb.getBaseUri());
adopter.attributes().addAll(formatEl.attributes());
Node[] childNodes = furthestBlock.childNodes().toArray(new Node[furthestBlock.childNodeSize()]);
for (Node childNode : childNodes) {
adopter.appendChild(childNode); // append will reparent. thus the clone to avoid concurrent mod.
}
furthestBlock.appendChild(adopter);
tb.removeFromActiveFormattingElements(formatEl);
// todo: insert the new element into the list of active formatting elements at the position of the aforementioned bookmark.
tb.removeFromStack(formatEl);
tb.insertOnStackAfter(furthestBlock, adopter);
}
} else if (StringUtil.inSorted(name, Constants.InBodyEndClosers)) {
if (!tb.inScope(name)) {
// nothing to close
tb.error(this);
return false;
} else {
tb.generateImpliedEndTags();
if (!tb.currentElement().nodeName().equals(name))
tb.error(this);
tb.popStackToClose(name);
}
} else if (name.equals("span")) {
// same as final fall through, but saves short circuit
return anyOtherEndTag(t, tb);
} else if (name.equals("li")) {
if (!tb.inListItemScope(name)) {
tb.error(this);
return false;
} else {
tb.generateImpliedEndTags(name);
if (!tb.currentElement().nodeName().equals(name))
tb.error(this);
tb.popStackToClose(name);
}
} else if (name.equals("body")) {
if (!tb.inScope("body")) {
tb.error(this);
return false;
} else {
// todo: error if stack contains something not dd, dt, li, optgroup, option, p, rp, rt, tbody, td, tfoot, th, thead, tr, body, html
tb.transition(AfterBody);
}
} else if (name.equals("html")) {
boolean notIgnored = tb.processEndTag("body");
if (notIgnored)
return tb.process(endTag);
} else if (name.equals("form")) {
Element currentForm = tb.getFormElement();
tb.setFormElement(null);
if (currentForm == null || !tb.inScope(name)) {
tb.error(this);
return false;
} else {
tb.generateImpliedEndTags();
if (!tb.currentElement().nodeName().equals(name))
tb.error(this);
// remove currentForm from stack. will shift anything under up.
tb.removeFromStack(currentForm);
}
} else if (name.equals("p")) {
if (!tb.inButtonScope(name)) {
tb.error(this);
tb.processStartTag(name); // if no p to close, creates an empty
return tb.process(endTag);
} else {
tb.generateImpliedEndTags(name);
if (!tb.currentElement().nodeName().equals(name))
tb.error(this);
tb.popStackToClose(name);
}
} else if (StringUtil.inSorted(name, Constants.DdDt)) {
if (!tb.inScope(name)) {
tb.error(this);
return false;
} else {
tb.generateImpliedEndTags(name);
if (!tb.currentElement().nodeName().equals(name))
tb.error(this);
tb.popStackToClose(name);
}
} else if (StringUtil.inSorted(name, Constants.Headings)) {
if (!tb.inScope(Constants.Headings)) {
tb.error(this);
return false;
} else {
tb.generateImpliedEndTags(name);
if (!tb.currentElement().nodeName().equals(name))
tb.error(this);
tb.popStackToClose(Constants.Headings);
}
} else if (name.equals("sarcasm")) {
// *sigh*
return anyOtherEndTag(t, tb);
} else if (StringUtil.inSorted(name, Constants.InBodyStartApplets)) {
if (!tb.inScope("name")) {
if (!tb.inScope(name)) {
tb.error(this);
return false;
}
tb.generateImpliedEndTags();
if (!tb.currentElement().nodeName().equals(name))
tb.error(this);
tb.popStackToClose(name);
tb.clearFormattingElementsToLastMarker();
}
} else if (name.equals("br")) {
tb.error(this);
tb.processStartTag("br");
return false;
} else {
return anyOtherEndTag(t, tb);
}
break;
case EOF:
// todo: error if stack contains something not dd, dt, li, p, tbody, td, tfoot, th, thead, tr, body, html
// stop parsing
break;
}
return true;
}
boolean anyOtherEndTag(Token t, HtmlTreeBuilder tb) {
String name = t.asEndTag().name();
ArrayList stack = tb.getStack();
for (int pos = stack.size() -1; pos >= 0; pos--) {
Element node = stack.get(pos);
if (node.nodeName().equals(name)) {
tb.generateImpliedEndTags(name);
if (!name.equals(tb.currentElement().nodeName()))
tb.error(this);
tb.popStackToClose(name);
break;
} else {
if (tb.isSpecial(node)) {
tb.error(this);
return false;
}
}
}
return true;
}
},
Text {
// in script, style etc. normally treated as data tags
boolean process(Token t, HtmlTreeBuilder tb) {
if (t.isCharacter()) {
tb.insert(t.asCharacter());
} else if (t.isEOF()) {
tb.error(this);
// if current node is script: already started
tb.pop();
tb.transition(tb.originalState());
return tb.process(t);
} else if (t.isEndTag()) {
// if: An end tag whose tag name is "script" -- scripting nesting level, if evaluating scripts
tb.pop();
tb.transition(tb.originalState());
}
return true;
}
},
InTable {
boolean process(Token t, HtmlTreeBuilder tb) {
if (t.isCharacter()) {
tb.newPendingTableCharacters();
tb.markInsertionMode();
tb.transition(InTableText);
return tb.process(t);
} else if (t.isComment()) {
tb.insert(t.asComment());
return true;
} else if (t.isDoctype()) {
tb.error(this);
return false;
} else if (t.isStartTag()) {
Token.StartTag startTag = t.asStartTag();
String name = startTag.name();
if (name.equals("caption")) {
tb.clearStackToTableContext();
tb.insertMarkerToFormattingElements();
tb.insert(startTag);
tb.transition(InCaption);
} else if (name.equals("colgroup")) {
tb.clearStackToTableContext();
tb.insert(startTag);
tb.transition(InColumnGroup);
} else if (name.equals("col")) {
tb.processStartTag("colgroup");
return tb.process(t);
} else if (StringUtil.in(name, "tbody", "tfoot", "thead")) {
tb.clearStackToTableContext();
tb.insert(startTag);
tb.transition(InTableBody);
} else if (StringUtil.in(name, "td", "th", "tr")) {
tb.processStartTag("tbody");
return tb.process(t);
} else if (name.equals("table")) {
tb.error(this);
boolean processed = tb.processEndTag("table");
if (processed) // only ignored if in fragment
return tb.process(t);
} else if (StringUtil.in(name, "style", "script")) {
return tb.process(t, InHead);
} else if (name.equals("input")) {
if (!startTag.attributes.get("type").equalsIgnoreCase("hidden")) {
return anythingElse(t, tb);
} else {
tb.insertEmpty(startTag);
}
} else if (name.equals("form")) {
tb.error(this);
if (tb.getFormElement() != null)
return false;
else {
tb.insertForm(startTag, false);
}
} else {
return anythingElse(t, tb);
}
return true; // todo: check if should return processed http://www.whatwg.org/specs/web-apps/current-work/multipage/tree-construction.html#parsing-main-intable
} else if (t.isEndTag()) {
Token.EndTag endTag = t.asEndTag();
String name = endTag.name();
if (name.equals("table")) {
if (!tb.inTableScope(name)) {
tb.error(this);
return false;
} else {
tb.popStackToClose("table");
}
tb.resetInsertionMode();
} else if (StringUtil.in(name,
"body", "caption", "col", "colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr")) {
tb.error(this);
return false;
} else {
return anythingElse(t, tb);
}
return true; // todo: as above todo
} else if (t.isEOF()) {
if (tb.currentElement().nodeName().equals("html"))
tb.error(this);
return true; // stops parsing
}
return anythingElse(t, tb);
}
boolean anythingElse(Token t, HtmlTreeBuilder tb) {
tb.error(this);
boolean processed;
if (StringUtil.in(tb.currentElement().nodeName(), "table", "tbody", "tfoot", "thead", "tr")) {
tb.setFosterInserts(true);
processed = tb.process(t, InBody);
tb.setFosterInserts(false);
} else {
processed = tb.process(t, InBody);
}
return processed;
}
},
InTableText {
boolean process(Token t, HtmlTreeBuilder tb) {
switch (t.type) {
case Character:
Token.Character c = t.asCharacter();
if (c.getData().equals(nullString)) {
tb.error(this);
return false;
} else {
tb.getPendingTableCharacters().add(c.getData());
}
break;
default:
// todo - don't really like the way these table character data lists are built
if (tb.getPendingTableCharacters().size() > 0) {
for (String character : tb.getPendingTableCharacters()) {
if (!isWhitespace(character)) {
// InTable anything else section:
tb.error(this);
if (StringUtil.in(tb.currentElement().nodeName(), "table", "tbody", "tfoot", "thead", "tr")) {
tb.setFosterInserts(true);
tb.process(new Token.Character().data(character), InBody);
tb.setFosterInserts(false);
} else {
tb.process(new Token.Character().data(character), InBody);
}
} else
tb.insert(new Token.Character().data(character));
}
tb.newPendingTableCharacters();
}
tb.transition(tb.originalState());
return tb.process(t);
}
return true;
}
},
InCaption {
boolean process(Token t, HtmlTreeBuilder tb) {
if (t.isEndTag() && t.asEndTag().name().equals("caption")) {
Token.EndTag endTag = t.asEndTag();
String name = endTag.name();
if (!tb.inTableScope(name)) {
tb.error(this);
return false;
} else {
tb.generateImpliedEndTags();
if (!tb.currentElement().nodeName().equals("caption"))
tb.error(this);
tb.popStackToClose("caption");
tb.clearFormattingElementsToLastMarker();
tb.transition(InTable);
}
} else if ((
t.isStartTag() && StringUtil.in(t.asStartTag().name(),
"caption", "col", "colgroup", "tbody", "td", "tfoot", "th", "thead", "tr") ||
t.isEndTag() && t.asEndTag().name().equals("table"))
) {
tb.error(this);
boolean processed = tb.processEndTag("caption");
if (processed)
return tb.process(t);
} else if (t.isEndTag() && StringUtil.in(t.asEndTag().name(),
"body", "col", "colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr")) {
tb.error(this);
return false;
} else {
return tb.process(t, InBody);
}
return true;
}
},
InColumnGroup {
boolean process(Token t, HtmlTreeBuilder tb) {
if (isWhitespace(t)) {
tb.insert(t.asCharacter());
return true;
}
switch (t.type) {
case Comment:
tb.insert(t.asComment());
break;
case Doctype:
tb.error(this);
break;
case StartTag:
Token.StartTag startTag = t.asStartTag();
String name = startTag.name();
if (name.equals("html"))
return tb.process(t, InBody);
else if (name.equals("col"))
tb.insertEmpty(startTag);
else
return anythingElse(t, tb);
break;
case EndTag:
Token.EndTag endTag = t.asEndTag();
name = endTag.name();
if (name.equals("colgroup")) {
if (tb.currentElement().nodeName().equals("html")) { // frag case
tb.error(this);
return false;
} else {
tb.pop();
tb.transition(InTable);
}
} else
return anythingElse(t, tb);
break;
case EOF:
if (tb.currentElement().nodeName().equals("html"))
return true; // stop parsing; frag case
else
return anythingElse(t, tb);
default:
return anythingElse(t, tb);
}
return true;
}
private boolean anythingElse(Token t, TreeBuilder tb) {
boolean processed = tb.processEndTag("colgroup");
if (processed) // only ignored in frag case
return tb.process(t);
return true;
}
},
InTableBody {
boolean process(Token t, HtmlTreeBuilder tb) {
switch (t.type) {
case StartTag:
Token.StartTag startTag = t.asStartTag();
String name = startTag.name();
if (name.equals("tr")) {
tb.clearStackToTableBodyContext();
tb.insert(startTag);
tb.transition(InRow);
} else if (StringUtil.in(name, "th", "td")) {
tb.error(this);
tb.processStartTag("tr");
return tb.process(startTag);
} else if (StringUtil.in(name, "caption", "col", "colgroup", "tbody", "tfoot", "thead")) {
return exitTableBody(t, tb);
} else
return anythingElse(t, tb);
break;
case EndTag:
Token.EndTag endTag = t.asEndTag();
name = endTag.name();
if (StringUtil.in(name, "tbody", "tfoot", "thead")) {
if (!tb.inTableScope(name)) {
tb.error(this);
return false;
} else {
tb.clearStackToTableBodyContext();
tb.pop();
tb.transition(InTable);
}
} else if (name.equals("table")) {
return exitTableBody(t, tb);
} else if (StringUtil.in(name, "body", "caption", "col", "colgroup", "html", "td", "th", "tr")) {
tb.error(this);
return false;
} else
return anythingElse(t, tb);
break;
default:
return anythingElse(t, tb);
}
return true;
}
private boolean exitTableBody(Token t, HtmlTreeBuilder tb) {
if (!(tb.inTableScope("tbody") || tb.inTableScope("thead") || tb.inScope("tfoot"))) {
// frag case
tb.error(this);
return false;
}
tb.clearStackToTableBodyContext();
tb.processEndTag(tb.currentElement().nodeName()); // tbody, tfoot, thead
return tb.process(t);
}
private boolean anythingElse(Token t, HtmlTreeBuilder tb) {
return tb.process(t, InTable);
}
},
InRow {
boolean process(Token t, HtmlTreeBuilder tb) {
if (t.isStartTag()) {
Token.StartTag startTag = t.asStartTag();
String name = startTag.name();
if (StringUtil.in(name, "th", "td")) {
tb.clearStackToTableRowContext();
tb.insert(startTag);
tb.transition(InCell);
tb.insertMarkerToFormattingElements();
} else if (StringUtil.in(name, "caption", "col", "colgroup", "tbody", "tfoot", "thead", "tr")) {
return handleMissingTr(t, tb);
} else {
return anythingElse(t, tb);
}
} else if (t.isEndTag()) {
Token.EndTag endTag = t.asEndTag();
String name = endTag.name();
if (name.equals("tr")) {
if (!tb.inTableScope(name)) {
tb.error(this); // frag
return false;
}
tb.clearStackToTableRowContext();
tb.pop(); // tr
tb.transition(InTableBody);
} else if (name.equals("table")) {
return handleMissingTr(t, tb);
} else if (StringUtil.in(name, "tbody", "tfoot", "thead")) {
if (!tb.inTableScope(name)) {
tb.error(this);
return false;
}
tb.processEndTag("tr");
return tb.process(t);
} else if (StringUtil.in(name, "body", "caption", "col", "colgroup", "html", "td", "th")) {
tb.error(this);
return false;
} else {
return anythingElse(t, tb);
}
} else {
return anythingElse(t, tb);
}
return true;
}
private boolean anythingElse(Token t, HtmlTreeBuilder tb) {
return tb.process(t, InTable);
}
private boolean handleMissingTr(Token t, TreeBuilder tb) {
boolean processed = tb.processEndTag("tr");
if (processed)
return tb.process(t);
else
return false;
}
},
InCell {
boolean process(Token t, HtmlTreeBuilder tb) {
if (t.isEndTag()) {
Token.EndTag endTag = t.asEndTag();
String name = endTag.name();
if (StringUtil.in(name, "td", "th")) {
if (!tb.inTableScope(name)) {
tb.error(this);
tb.transition(InRow); // might not be in scope if empty:
