+++ /dev/null
-/* This file defines an XML parser, with a few kludges to make it
- * useable for HTML. autoSelfClosers defines a set of tag names that
- * are expected to not have a closing tag, and doNotIndent specifies
- * the tags inside of which no indentation should happen (see Config
- * object). These can be disabled by passing the editor an object like
- * {useHTMLKludges: false} as parserConfig option.
- */
-
-var XMLParser = Editor.Parser = (function() {
- var Kludges = {
- autoSelfClosers: {"br": true, "img": true, "hr": true, "link": true, "input": true,
- "meta": true, "col": true, "frame": true, "base": true, "area": true},
- doNotIndent: {"pre": true, "!cdata": true}
- };
- var NoKludges = {autoSelfClosers: {}, doNotIndent: {"!cdata": true}};
- var UseKludges = Kludges;
- var alignCDATA = false;
-
- // Simple stateful tokenizer for XML documents. Returns a
- // MochiKit-style iterator, with a state property that contains a
- // function encapsulating the current state. See tokenize.js.
- var tokenizeXML = (function() {
- function inText(source, setState) {
- var ch = source.next();
- if (ch == "<") {
- if (source.equals("!")) {
- source.next();
- if (source.equals("[")) {
- if (source.lookAhead("[CDATA[", true)) {
- setState(inBlock("xml-cdata", "]]>"));
- return null;
- }
- else {
- return "xml-text";
- }
- }
- else if (source.lookAhead("--", true)) {
- setState(inBlock("xml-comment", "-->"));
- return null;
- }
- else {
- return "xml-text";
- }
- }
- else if (source.equals("?")) {
- source.next();
- source.nextWhileMatches(/[\w\._\-]/);
- setState(inBlock("xml-processing", "?>"));
- return "xml-processing";
- }
- else {
- if (source.equals("/")) source.next();
- setState(inTag);
- return "xml-punctuation";
- }
- }
- else if (ch == "&") {
- while (!source.endOfLine()) {
- if (source.next() == ";")
- break;
- }
- return "xml-entity";
- }
- else {
- source.nextWhileMatches(/[^&<\n]/);
- return "xml-text";
- }
- }
-
- function inTag(source, setState) {
- var ch = source.next();
- if (ch == ">") {
- setState(inText);
- return "xml-punctuation";
- }
- else if (/[?\/]/.test(ch) && source.equals(">")) {
- source.next();
- setState(inText);
- return "xml-punctuation";
- }
- else if (ch == "=") {
- return "xml-punctuation";
- }
- else if (/[\'\"]/.test(ch)) {
- setState(inAttribute(ch));
- return null;
- }
- else {
- source.nextWhileMatches(/[^\s\u00a0=<>\"\'\/?]/);
- return "xml-name";
- }
- }
-
- function inAttribute(quote) {
- return function(source, setState) {
- while (!source.endOfLine()) {
- if (source.next() == quote) {
- setState(inTag);
- break;
- }
- }
- return "xml-attribute";
- };
- }
-
- function inBlock(style, terminator) {
- return function(source, setState) {
- while (!source.endOfLine()) {
- if (source.lookAhead(terminator, true)) {
- setState(inText);
- break;
- }
- source.next();
- }
- return style;
- };
- }
-
- return function(source, startState) {
- return tokenizer(source, startState || inText);
- };
- })();
-
- // The parser. The structure of this function largely follows that of
- // parseJavaScript in parsejavascript.js (there is actually a bit more
- // shared code than I'd like), but it is quite a bit simpler.
- function parseXML(source) {
- var tokens = tokenizeXML(source);
- var cc = [base];
- var tokenNr = 0, indented = 0;
- var currentTag = null, context = null;
- var consume, marked;
-
- function push(fs) {
- for (var i = fs.length - 1; i >= 0; i--)
- cc.push(fs[i]);
- }
- function cont() {
- push(arguments);
- consume = true;
- }
- function pass() {
- push(arguments);
- consume = false;
- }
-
- function mark(style) {
- marked = style;
- }
- function expect(text) {
- return function(style, content) {
- if (content == text) cont();
- else mark("xml-error") || cont(arguments.callee);
- };
- }
-
- function pushContext(tagname, startOfLine) {
- var noIndent = UseKludges.doNotIndent.hasOwnProperty(tagname) || (context && context.noIndent);
- context = {prev: context, name: tagname, indent: indented, startOfLine: startOfLine, noIndent: noIndent};
- }
- function popContext() {
- context = context.prev;
- }
- function computeIndentation(baseContext) {
- return function(nextChars, current) {
- var context = baseContext;
- if (context && context.noIndent)
- return current;
- if (alignCDATA && /<!\[CDATA\[/.test(nextChars))
- return 0;
- if (context && /^<\//.test(nextChars))
- context = context.prev;
- while (context && !context.startOfLine)
- context = context.prev;
- if (context)
- return context.indent + indentUnit;
- else
- return 0;
- };
- }
-
- function base() {
- return pass(element, base);
- }
- var harmlessTokens = {"xml-text": true, "xml-entity": true, "xml-comment": true, "xml-processing": true};
- function element(style, content) {
- if (content == "<") cont(tagname, attributes, endtag(tokenNr == 1));
- else if (content == "</") cont(closetagname, expect(">"));
- else if (style == "xml-cdata") {
- if (!context || context.name != "!cdata") pushContext("!cdata");
- if (/\]\]>$/.test(content)) popContext();
- cont();
- }
- else if (harmlessTokens.hasOwnProperty(style)) cont();
- else mark("xml-error") || cont();
- }
- function tagname(style, content) {
- if (style == "xml-name") {
- currentTag = content.toLowerCase();
- mark("xml-tagname");
- cont();
- }
- else {
- currentTag = null;
- pass();
- }
- }
- function closetagname(style, content) {
- if (style == "xml-name" && context && content.toLowerCase() == context.name) {
- popContext();
- mark("xml-tagname");
- }
- else {
- mark("xml-error");
- }
- cont();
- }
- function endtag(startOfLine) {
- return function(style, content) {
- if (content == "/>" || (content == ">" && UseKludges.autoSelfClosers.hasOwnProperty(currentTag))) cont();
- else if (content == ">") pushContext(currentTag, startOfLine) || cont();
- else mark("xml-error") || cont(arguments.callee);
- };
- }
- function attributes(style) {
- if (style == "xml-name") mark("xml-attname") || cont(attribute, attributes);
- else pass();
- }
- function attribute(style, content) {
- if (content == "=") cont(value);
- else if (content == ">" || content == "/>") pass(endtag);
- else pass();
- }
- function value(style) {
- if (style == "xml-attribute") cont(value);
- else pass();
- }
-
- return {
- indentation: function() {return indented;},
-
- next: function(){
- var token = tokens.next();
- if (token.style == "whitespace" && tokenNr == 0)
- indented = token.value.length;
- else
- tokenNr++;
- if (token.content == "\n") {
- indented = tokenNr = 0;
- token.indentation = computeIndentation(context);
- }
-
- if (token.style == "whitespace" || token.type == "xml-comment")
- return token;
-
- while(true){
- consume = marked = false;
- cc.pop()(token.style, token.content);
- if (consume){
- if (marked)
- token.style = marked;
- return token;
- }
- }
- },
-
- copy: function(){
- var _cc = cc.concat([]), _tokenState = tokens.state, _context = context;
- var parser = this;
-
- return function(input){
- cc = _cc.concat([]);
- tokenNr = indented = 0;
- context = _context;
- tokens = tokenizeXML(input, _tokenState);
- return parser;
- };
- }
- };
- }
-
- return {
- make: parseXML,
- electricChars: "/",
- configure: function(config) {
- if (config.useHTMLKludges != null)
- UseKludges = config.useHTMLKludges ? Kludges : NoKludges;
- if (config.alignCDATA)
- alignCDATA = config.alignCDATA;
- }
- };
-})();
fnp / redakcja.git / blobdiff