117 lines
3.9 KiB
JavaScript
117 lines
3.9 KiB
JavaScript
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/*
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Copyright (c) 2008-2009 Yahoo! Inc. All rights reserved.
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The copyrights embodied in the content of this file are licensed by
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Yahoo! Inc. under the BSD (revised) open source license
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@author Dan Vlad Dascalescu <dandv@yahoo-inc.com>
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Based on parsehtmlmixed.js by Marijn Haverbeke.
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*/
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var PHPHTMLMixedParser = Editor.Parser = (function() {
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var processingInstructions = ["<?php"];
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if (!(PHPParser && CSSParser && JSParser && XMLParser))
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throw new Error("PHP, CSS, JS, and XML parsers must be loaded for PHP+HTML mixed mode to work.");
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XMLParser.configure({useHTMLKludges: true});
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function parseMixed(stream) {
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var htmlParser = XMLParser.make(stream), localParser = null,
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inTag = false, lastAtt = null, phpParserState = null;
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var iter = {next: top, copy: copy};
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function top() {
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var token = htmlParser.next();
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if (token.content == "<")
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inTag = true;
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else if (token.style == "xml-tagname" && inTag === true)
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inTag = token.content.toLowerCase();
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else if (token.style == "xml-attname")
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lastAtt = token.content;
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else if (token.type == "xml-processing") {
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// see if this opens a PHP block
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for (var i = 0; i < processingInstructions.length; i++)
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if (processingInstructions[i] == token.content) {
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iter.next = local(PHPParser, "?>");
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break;
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}
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}
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else if (token.style == "xml-attribute" && token.content == "\"php\"" && inTag == "script" && lastAtt == "language")
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inTag = "script/php";
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// "xml-processing" tokens are ignored, because they should be handled by a specific local parser
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else if (token.content == ">") {
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if (inTag == "script/php")
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iter.next = local(PHPParser, "</script>");
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else if (inTag == "script")
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iter.next = local(JSParser, "</script");
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else if (inTag == "style")
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iter.next = local(CSSParser, "</style");
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lastAtt = null;
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inTag = false;
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}
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return token;
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}
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function local(parser, tag) {
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var baseIndent = htmlParser.indentation();
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if (parser == PHPParser && phpParserState)
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localParser = phpParserState(stream);
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else
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localParser = parser.make(stream, baseIndent + indentUnit);
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return function() {
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if (stream.lookAhead(tag, false, false, true)) {
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if (parser == PHPParser) phpParserState = localParser.copy();
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localParser = null;
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iter.next = top;
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return top(); // pass the ending tag to the enclosing parser
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}
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var token = localParser.next();
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var lt = token.value.lastIndexOf("<"), sz = Math.min(token.value.length - lt, tag.length);
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if (lt != -1 && token.value.slice(lt, lt + sz).toLowerCase() == tag.slice(0, sz) &&
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stream.lookAhead(tag.slice(sz), false, false, true)) {
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stream.push(token.value.slice(lt));
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token.value = token.value.slice(0, lt);
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}
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if (token.indentation) {
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var oldIndent = token.indentation;
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token.indentation = function(chars) {
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if (chars == "</")
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return baseIndent;
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else
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return oldIndent(chars);
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}
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}
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return token;
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};
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}
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function copy() {
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var _html = htmlParser.copy(), _local = localParser && localParser.copy(),
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_next = iter.next, _inTag = inTag, _lastAtt = lastAtt, _php = phpParserState;
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return function(_stream) {
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stream = _stream;
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htmlParser = _html(_stream);
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localParser = _local && _local(_stream);
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phpParserState = _php;
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iter.next = _next;
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inTag = _inTag;
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lastAtt = _lastAtt;
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return iter;
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};
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}
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return iter;
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}
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return {
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make: parseMixed,
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electricChars: "{}/:",
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configure: function(conf) {
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if (conf.opening != null) processingInstructions = conf.opening;
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}
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};
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})();
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