feature:2262

Replace editarea by Codemirror:
http://codemirror.net

git-svn-id: http://piwigo.org/svn/trunk@10307 68402e56-0260-453c-a942-63ccdbb3a9ee

plugins/LocalFilesEditor/codemirror/mode/xml/xml.js

@@ -0,0 +1,206 @@
+CodeMirror.defineMode("xml", function(config, parserConfig) {
+  var indentUnit = config.indentUnit;
+  var Kludges = parserConfig.htmlMode ? {
+    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},
+    allowUnquoted: true
+  } : {autoSelfClosers: {}, doNotIndent: {"!cdata": true}, allowUnquoted: false};
+  var alignCDATA = parserConfig.alignCDATA;
+
+  // Return variables for tokenizers
+  var tagName, type;
+
+  function inText(stream, state) {
+    function chain(parser) {
+      state.tokenize = parser;
+      return parser(stream, state);
+    }
+
+    var ch = stream.next();
+    if (ch == "<") {
+      if (stream.eat("!")) {
+        if (stream.eat("[")) {
+          if (stream.match("[CDATA[")) return chain(inBlock("xml-cdata", "]]>"));
+          else return null;
+        }
+        else if (stream.match("--")) return chain(inBlock("xml-comment", "-->"));
+        else if (stream.match("DOCTYPE")) {
+          stream.eatWhile(/[\w\._\-]/);
+          return chain(inBlock("xml-doctype", ">"));
+        }
+        else return null;
+      }
+      else if (stream.eat("?")) {
+        stream.eatWhile(/[\w\._\-]/);
+        state.tokenize = inBlock("xml-processing", "?>");
+        return "xml-processing";
+      }
+      else {
+        type = stream.eat("/") ? "closeTag" : "openTag";
+        stream.eatSpace();
+        tagName = "";
+        var c;
+        while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c;
+        state.tokenize = inTag;
+        return "xml-tag";
+      }
+    }
+    else if (ch == "&") {
+      stream.eatWhile(/[^;]/);
+      stream.eat(";");
+      return "xml-entity";
+    }
+    else {
+      stream.eatWhile(/[^&<]/);
+      return null;
+    }
+  }
+
+  function inTag(stream, state) {
+    var ch = stream.next();
+    if (ch == ">" || (ch == "/" && stream.eat(">"))) {
+      state.tokenize = inText;
+      type = ch == ">" ? "endTag" : "selfcloseTag";
+      return "xml-tag";
+    }
+    else if (ch == "=") {
+      type = "equals";
+      return null;
+    }
+    else if (/[\'\"]/.test(ch)) {
+      state.tokenize = inAttribute(ch);
+      return state.tokenize(stream, state);
+    }
+    else {
+      stream.eatWhile(/[^\s\u00a0=<>\"\'\/?]/);
+      return "xml-word";
+    }
+  }
+
+  function inAttribute(quote) {
+    return function(stream, state) {
+      while (!stream.eol()) {
+        if (stream.next() == quote) {
+          state.tokenize = inTag;
+          break;
+        }
+      }
+      return "xml-attribute";
+    };
+  }
+
+  function inBlock(style, terminator) {
+    return function(stream, state) {
+      while (!stream.eol()) {
+        if (stream.match(terminator)) {
+          state.tokenize = inText;
+          break;
+        }
+        stream.next();
+      }
+      return style;
+    };
+  }
+
+  var curState, setStyle;
+  function pass() {
+    for (var i = arguments.length - 1; i >= 0; i--) curState.cc.push(arguments[i]);
+  }
+  function cont() {
+    pass.apply(null, arguments);
+    return true;
+  }
+
+  function pushContext(tagName, startOfLine) {
+    var noIndent = Kludges.doNotIndent.hasOwnProperty(tagName) || (curState.context && curState.context.noIndent);
+    curState.context = {
+      prev: curState.context,
+      tagName: tagName,
+      indent: curState.indented,
+      startOfLine: startOfLine,
+      noIndent: noIndent
+    };
+  }
+  function popContext() {
+    if (curState.context) curState.context = curState.context.prev;
+  }
+
+  function element(type) {
+    if (type == "openTag") {curState.tagName = tagName; return cont(attributes, endtag(curState.startOfLine));}
+    else if (type == "closeTag") {popContext(); return cont(endclosetag);}
+    else if (type == "xml-cdata") {
+      if (!curState.context || curState.context.name != "!cdata") pushContext("!cdata");
+      if (curState.tokenize == inText) popContext();
+      return cont();
+    }
+    else return cont();
+  }
+  function endtag(startOfLine) {
+    return function(type) {
+      if (type == "selfcloseTag" ||
+          (type == "endTag" && Kludges.autoSelfClosers.hasOwnProperty(curState.tagName.toLowerCase())))
+        return cont();
+      if (type == "endTag") {pushContext(curState.tagName, startOfLine); return cont();}
+      return cont();
+    };
+  }
+  function endclosetag(type) {
+    if (type == "endTag") return cont();
+    return pass();
+  }
+
+  function attributes(type) {
+    if (type == "xml-word") {setStyle = "xml-attname"; return cont(attributes);}
+    if (type == "equals") return cont(attvalue, attributes);
+    return pass();
+  }
+  function attvalue(type) {
+    if (type == "xml-word" && Kludges.allowUnquoted) {setStyle = "xml-attribute"; return cont();}
+    if (type == "xml-attribute") return cont();
+    return pass();
+  }
+
+  return {
+    startState: function() {
+      return {tokenize: inText, cc: [], indented: 0, startOfLine: true, tagName: null, context: null};
+    },
+
+    token: function(stream, state) {
+      if (stream.sol()) {
+        state.startOfLine = true;
+        state.indented = stream.indentation();
+      }
+      if (stream.eatSpace()) return null;
+
+      setStyle = type = tagName = null;
+      var style = state.tokenize(stream, state);
+      if ((style || type) && style != "xml-comment") {
+        curState = state;
+        while (true) {
+          var comb = state.cc.pop() || element;
+          if (comb(type || style)) break;
+        }
+      }
+      state.startOfLine = false;
+      return setStyle || style;
+    },
+
+    indent: function(state, textAfter) {
+      var context = state.context;
+      if (context && context.noIndent) return 0;
+      if (alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0;
+      if (context && /^<\//.test(textAfter))
+        context = context.prev;
+      while (context && !context.startOfLine)
+        context = context.prev;
+      if (context) return context.indent + indentUnit;
+      else return 0;
+    },
+
+    electricChars: "/"
+  };
+});
+
+CodeMirror.defineMIME("application/xml", "xml");
+CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});