Update - This is an automated commit

1 files changed, 223 insertions, 0 deletions

diff --git a/school/node_modules/parse5/lib/extensions/location-info/parser-mixin.js b/school/node_modules/parse5/lib/extensions/location-info/parser-mixin.js
new file mode 100644
index 0000000..e7d3e2d
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+++ b/school/node_modules/parse5/lib/extensions/location-info/parser-mixin.js
@@ -0,0 +1,223 @@
+'use strict';
+
+const Mixin = require('../../utils/mixin');
+const Tokenizer = require('../../tokenizer');
+const LocationInfoTokenizerMixin = require('./tokenizer-mixin');
+const LocationInfoOpenElementStackMixin = require('./open-element-stack-mixin');
+const HTML = require('../../common/html');
+
+//Aliases
+const $ = HTML.TAG_NAMES;
+
+class LocationInfoParserMixin extends Mixin {
+    constructor(parser) {
+        super(parser);
+
+        this.parser = parser;
+        this.treeAdapter = this.parser.treeAdapter;
+        this.posTracker = null;
+        this.lastStartTagToken = null;
+        this.lastFosterParentingLocation = null;
+        this.currentToken = null;
+    }
+
+    _setStartLocation(element) {
+        let loc = null;
+
+        if (this.lastStartTagToken) {
+            loc = Object.assign({}, this.lastStartTagToken.location);
+            loc.startTag = this.lastStartTagToken.location;
+        }
+
+        this.treeAdapter.setNodeSourceCodeLocation(element, loc);
+    }
+
+    _setEndLocation(element, closingToken) {
+        const loc = this.treeAdapter.getNodeSourceCodeLocation(element);
+
+        if (loc) {
+            if (closingToken.location) {
+                const ctLoc = closingToken.location;
+                const tn = this.treeAdapter.getTagName(element);
+
+                // NOTE: For cases like <p> <p> </p> - First 'p' closes without a closing
+                // tag and for cases like <td> <p> </td> - 'p' closes without a closing tag.
+                const isClosingEndTag = closingToken.type === Tokenizer.END_TAG_TOKEN && tn === closingToken.tagName;
+                const endLoc = {};
+                if (isClosingEndTag) {
+                    endLoc.endTag = Object.assign({}, ctLoc);
+                    endLoc.endLine = ctLoc.endLine;
+                    endLoc.endCol = ctLoc.endCol;
+                    endLoc.endOffset = ctLoc.endOffset;
+                } else {
+                    endLoc.endLine = ctLoc.startLine;
+                    endLoc.endCol = ctLoc.startCol;
+                    endLoc.endOffset = ctLoc.startOffset;
+                }
+
+                this.treeAdapter.updateNodeSourceCodeLocation(element, endLoc);
+            }
+        }
+    }
+
+    _getOverriddenMethods(mxn, orig) {
+        return {
+            _bootstrap(document, fragmentContext) {
+                orig._bootstrap.call(this, document, fragmentContext);
+
+                mxn.lastStartTagToken = null;
+                mxn.lastFosterParentingLocation = null;
+                mxn.currentToken = null;
+
+                const tokenizerMixin = Mixin.install(this.tokenizer, LocationInfoTokenizerMixin);
+
+                mxn.posTracker = tokenizerMixin.posTracker;
+
+                Mixin.install(this.openElements, LocationInfoOpenElementStackMixin, {
+                    onItemPop: function(element) {
+                        mxn._setEndLocation(element, mxn.currentToken);
+                    }
+                });
+            },
+
+            _runParsingLoop(scriptHandler) {
+                orig._runParsingLoop.call(this, scriptHandler);
+
+                // NOTE: generate location info for elements
+                // that remains on open element stack
+                for (let i = this.openElements.stackTop; i >= 0; i--) {
+                    mxn._setEndLocation(this.openElements.items[i], mxn.currentToken);
+                }
+            },
+
+            //Token processing
+            _processTokenInForeignContent(token) {
+                mxn.currentToken = token;
+                orig._processTokenInForeignContent.call(this, token);
+            },
+
+            _processToken(token) {
+                mxn.currentToken = token;
+                orig._processToken.call(this, token);
+
+                //NOTE: <body> and <html> are never popped from the stack, so we need to updated
+                //their end location explicitly.
+                const requireExplicitUpdate =
+                    token.type === Tokenizer.END_TAG_TOKEN &&
+                    (token.tagName === $.HTML || (token.tagName === $.BODY && this.openElements.hasInScope($.BODY)));
+
+                if (requireExplicitUpdate) {
+                    for (let i = this.openElements.stackTop; i >= 0; i--) {
+                        const element = this.openElements.items[i];
+
+                        if (this.treeAdapter.getTagName(element) === token.tagName) {
+                            mxn._setEndLocation(element, token);
+                            break;
+                        }
+                    }
+                }
+            },
+
+            //Doctype
+            _setDocumentType(token) {
+                orig._setDocumentType.call(this, token);
+
+                const documentChildren = this.treeAdapter.getChildNodes(this.document);
+                const cnLength = documentChildren.length;
+
+                for (let i = 0; i < cnLength; i++) {
+                    const node = documentChildren[i];
+
+                    if (this.treeAdapter.isDocumentTypeNode(node)) {
+                        this.treeAdapter.setNodeSourceCodeLocation(node, token.location);
+                        break;
+                    }
+                }
+            },
+
+            //Elements
+            _attachElementToTree(element) {
+                //NOTE: _attachElementToTree is called from _appendElement, _insertElement and _insertTemplate methods.
+                //So we will use token location stored in this methods for the element.
+                mxn._setStartLocation(element);
+                mxn.lastStartTagToken = null;
+                orig._attachElementToTree.call(this, element);
+            },
+
+            _appendElement(token, namespaceURI) {
+                mxn.lastStartTagToken = token;
+                orig._appendElement.call(this, token, namespaceURI);
+            },
+
+            _insertElement(token, namespaceURI) {
+                mxn.lastStartTagToken = token;
+                orig._insertElement.call(this, token, namespaceURI);
+            },
+
+            _insertTemplate(token) {
+                mxn.lastStartTagToken = token;
+                orig._insertTemplate.call(this, token);
+
+                const tmplContent = this.treeAdapter.getTemplateContent(this.openElements.current);
+
+                this.treeAdapter.setNodeSourceCodeLocation(tmplContent, null);
+            },
+
+            _insertFakeRootElement() {
+                orig._insertFakeRootElement.call(this);
+                this.treeAdapter.setNodeSourceCodeLocation(this.openElements.current, null);
+            },
+
+            //Comments
+            _appendCommentNode(token, parent) {
+                orig._appendCommentNode.call(this, token, parent);
+
+                const children = this.treeAdapter.getChildNodes(parent);
+                const commentNode = children[children.length - 1];
+
+                this.treeAdapter.setNodeSourceCodeLocation(commentNode, token.location);
+            },
+
+            //Text
+            _findFosterParentingLocation() {
+                //NOTE: store last foster parenting location, so we will be able to find inserted text
+                //in case of foster parenting
+                mxn.lastFosterParentingLocation = orig._findFosterParentingLocation.call(this);
+
+                return mxn.lastFosterParentingLocation;
+            },
+
+            _insertCharacters(token) {
+                orig._insertCharacters.call(this, token);
+
+                const hasFosterParent = this._shouldFosterParentOnInsertion();
+
+                const parent =
+                    (hasFosterParent && mxn.lastFosterParentingLocation.parent) ||
+                    this.openElements.currentTmplContent ||
+                    this.openElements.current;
+
+                const siblings = this.treeAdapter.getChildNodes(parent);
+
+                const textNodeIdx =
+                    hasFosterParent && mxn.lastFosterParentingLocation.beforeElement
+                        ? siblings.indexOf(mxn.lastFosterParentingLocation.beforeElement) - 1
+                        : siblings.length - 1;
+
+                const textNode = siblings[textNodeIdx];
+
+                //NOTE: if we have location assigned by another token, then just update end position
+                const tnLoc = this.treeAdapter.getNodeSourceCodeLocation(textNode);
+
+                if (tnLoc) {
+                    const { endLine, endCol, endOffset } = token.location;
+                    this.treeAdapter.updateNodeSourceCodeLocation(textNode, { endLine, endCol, endOffset });
+                } else {
+                    this.treeAdapter.setNodeSourceCodeLocation(textNode, token.location);
+                }
+            }
+        };
+    }
+}
+
+module.exports = LocationInfoParserMixin;