X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/36f6233fd79390ad5af8a1532eac60a0ae57c825..f938afb8ab4cb091d12e0ef0311eaea14b774798:/redakcja/static/js/lib/codemirror/parsexml.js diff --git a/redakcja/static/js/lib/codemirror/parsexml.js b/redakcja/static/js/lib/codemirror/parsexml.js new file mode 100644 index 00000000..87fbf0c0 --- /dev/null +++ b/redakcja/static/js/lib/codemirror/parsexml.js @@ -0,0 +1,292 @@ +/* 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 && /")); + 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; + } + }; +})();