Subversion-Projekte lars-tiefland.ci

// CodeMirror, copyright (c) by Marijn Haverbeke and others

// Distributed under an MIT license: http://codemirror.net/LICENSE

(function(mod) {

  if (typeof exports == "object" && typeof module == "object") // CommonJS

    mod(require("../../lib/codemirror"));

  else if (typeof define == "function" && define.amd) // AMD

    define(["../../lib/codemirror"], mod);

  else // Plain browser env

    mod(CodeMirror);

})(function(CodeMirror) {

"use strict";

CodeMirror.defineMode("xquery", function() {

  // The keywords object is set to the result of this self executing

  // function. Each keyword is a property of the keywords object whose

  // value is {type: atype, style: astyle}

  var keywords = function(){

    // conveinence functions used to build keywords object

    function kw(type) {return {type: type, style: "keyword"};}

    var A = kw("keyword a")

      , B = kw("keyword b")

      , C = kw("keyword c")

      , operator = kw("operator")

      , atom = {type: "atom", style: "atom"}

      , punctuation = {type: "punctuation", style: null}

      , qualifier = {type: "axis_specifier", style: "qualifier"};

    // kwObj is what is return from this function at the end

    var kwObj = {

      'if': A, 'switch': A, 'while': A, 'for': A,

      'else': B, 'then': B, 'try': B, 'finally': B, 'catch': B,

      'element': C, 'attribute': C, 'let': C, 'implements': C, 'import': C, 'module': C, 'namespace': C,

      'return': C, 'super': C, 'this': C, 'throws': C, 'where': C, 'private': C,

      ',': punctuation,

      'null': atom, 'fn:false()': atom, 'fn:true()': atom

    };

    // a list of 'basic' keywords. For each add a property to kwObj with the value of

    // {type: basic[i], style: "keyword"} e.g. 'after' --> {type: "after", style: "keyword"}

    var basic = ['after','ancestor','ancestor-or-self','and','as','ascending','assert','attribute','before',

    'by','case','cast','child','comment','declare','default','define','descendant','descendant-or-self',

    'descending','document','document-node','element','else','eq','every','except','external','following',

    'following-sibling','follows','for','function','if','import','in','instance','intersect','item',

    'let','module','namespace','node','node','of','only','or','order','parent','precedes','preceding',

    'preceding-sibling','processing-instruction','ref','return','returns','satisfies','schema','schema-element',

    'self','some','sortby','stable','text','then','to','treat','typeswitch','union','variable','version','where',

    'xquery', 'empty-sequence'];

    for(var i=0, l=basic.length; i < l; i++) { kwObj[basic[i]] = kw(basic[i]);};

    // a list of types. For each add a property to kwObj with the value of

    // {type: "atom", style: "atom"}

    var types = ['xs:string', 'xs:float', 'xs:decimal', 'xs:double', 'xs:integer', 'xs:boolean', 'xs:date', 'xs:dateTime',

    'xs:time', 'xs:duration', 'xs:dayTimeDuration', 'xs:time', 'xs:yearMonthDuration', 'numeric', 'xs:hexBinary',

    'xs:base64Binary', 'xs:anyURI', 'xs:QName', 'xs:byte','xs:boolean','xs:anyURI','xf:yearMonthDuration'];

    for(var i=0, l=types.length; i < l; i++) { kwObj[types[i]] = atom;};

    // each operator will add a property to kwObj with value of {type: "operator", style: "keyword"}

    var operators = ['eq', 'ne', 'lt', 'le', 'gt', 'ge', ':=', '=', '>', '>=', '<', '<=', '.', '|', '?', 'and', 'or', 'div', 'idiv', 'mod', '*', '/', '+', '-'];

    for(var i=0, l=operators.length; i < l; i++) { kwObj[operators[i]] = operator;};

    // each axis_specifiers will add a property to kwObj with value of {type: "axis_specifier", style: "qualifier"}

    var axis_specifiers = ["self::", "attribute::", "child::", "descendant::", "descendant-or-self::", "parent::",

    "ancestor::", "ancestor-or-self::", "following::", "preceding::", "following-sibling::", "preceding-sibling::"];

    for(var i=0, l=axis_specifiers.length; i < l; i++) { kwObj[axis_specifiers[i]] = qualifier; };

    return kwObj;

  }();

  function chain(stream, state, f) {

    state.tokenize = f;

    return f(stream, state);

  }

  // the primary mode tokenizer

  function tokenBase(stream, state) {

    var ch = stream.next(),

        mightBeFunction = false,

        isEQName = isEQNameAhead(stream);

    // an XML tag (if not in some sub, chained tokenizer)

    if (ch == "<") {

      if(stream.match("!--", true))

        return chain(stream, state, tokenXMLComment);

      if(stream.match("![CDATA", false)) {

        state.tokenize = tokenCDATA;

        return "tag";

      }

      if(stream.match("?", false)) {

        return chain(stream, state, tokenPreProcessing);

      }

      var isclose = stream.eat("/");

      stream.eatSpace();

      var tagName = "", c;

      while ((c = stream.eat(/[^\s\u00a0=<>\"\'\/?]/))) tagName += c;

      return chain(stream, state, tokenTag(tagName, isclose));

    }

    // start code block

    else if(ch == "{") {

      pushStateStack(state,{ type: "codeblock"});

      return null;

    }

    // end code block

    else if(ch == "}") {

      popStateStack(state);

      return null;

    }

    // if we're in an XML block

    else if(isInXmlBlock(state)) {

      if(ch == ">")

        return "tag";

      else if(ch == "/" && stream.eat(">")) {

        popStateStack(state);

        return "tag";

      }

      else

        return "variable";

    }

    // if a number

    else if (/\d/.test(ch)) {

      stream.match(/^\d*(?:\.\d*)?(?:E[+\-]?\d+)?/);

      return "atom";

    }

    // comment start

    else if (ch === "(" && stream.eat(":")) {

      pushStateStack(state, { type: "comment"});

      return chain(stream, state, tokenComment);

    }

    // quoted string

    else if (  !isEQName && (ch === '"' || ch === "'"))

      return chain(stream, state, tokenString(ch));

    // variable

    else if(ch === "$") {

      return chain(stream, state, tokenVariable);

    }

    // assignment

    else if(ch ===":" && stream.eat("=")) {

      return "keyword";

    }

    // open paren

    else if(ch === "(") {

      pushStateStack(state, { type: "paren"});

      return null;

    }

    // close paren

    else if(ch === ")") {

      popStateStack(state);

      return null;

    }

    // open paren

    else if(ch === "[") {

      pushStateStack(state, { type: "bracket"});

      return null;

    }

    // close paren

    else if(ch === "]") {

      popStateStack(state);

      return null;

    }

    else {

      var known = keywords.propertyIsEnumerable(ch) && keywords[ch];

      // if there's a EQName ahead, consume the rest of the string portion, it's likely a function

      if(isEQName && ch === '\"') while(stream.next() !== '"'){}

      if(isEQName && ch === '\'') while(stream.next() !== '\''){}

      // gobble up a word if the character is not known

      if(!known) stream.eatWhile(/[\w\$_-]/);

      // gobble a colon in the case that is a lib func type call fn:doc

      var foundColon = stream.eat(":");

      // if there's not a second colon, gobble another word. Otherwise, it's probably an axis specifier

      // which should get matched as a keyword

      if(!stream.eat(":") && foundColon) {

        stream.eatWhile(/[\w\$_-]/);

      }

      // if the next non whitespace character is an open paren, this is probably a function (if not a keyword of other sort)

      if(stream.match(/^[ \t]*\(/, false)) {

        mightBeFunction = true;

      }

      // is the word a keyword?

      var word = stream.current();

      known = keywords.propertyIsEnumerable(word) && keywords[word];

      // if we think it's a function call but not yet known,

      // set style to variable for now for lack of something better

      if(mightBeFunction && !known) known = {type: "function_call", style: "variable def"};

      // if the previous word was element, attribute, axis specifier, this word should be the name of that

      if(isInXmlConstructor(state)) {

        popStateStack(state);

        return "variable";

      }

      // as previously checked, if the word is element,attribute, axis specifier, call it an "xmlconstructor" and

      // push the stack so we know to look for it on the next word

      if(word == "element" || word == "attribute" || known.type == "axis_specifier") pushStateStack(state, {type: "xmlconstructor"});

      // if the word is known, return the details of that else just call this a generic 'word'

      return known ? known.style : "variable";

    }

  }

  // handle comments, including nested

  function tokenComment(stream, state) {

    var maybeEnd = false, maybeNested = false, nestedCount = 0, ch;

    while (ch = stream.next()) {

      if (ch == ")" && maybeEnd) {

        if(nestedCount > 0)

          nestedCount--;

        else {

          popStateStack(state);

          break;

        }

      }

      else if(ch == ":" && maybeNested) {

        nestedCount++;

      }

      maybeEnd = (ch == ":");

      maybeNested = (ch == "(");

    }

    return "comment";

  }

  // tokenizer for string literals

  // optionally pass a tokenizer function to set state.tokenize back to when finished

  function tokenString(quote, f) {

    return function(stream, state) {

      var ch;

      if(isInString(state) && stream.current() == quote) {

        popStateStack(state);

        if(f) state.tokenize = f;

        return "string";

      }

      pushStateStack(state, { type: "string", name: quote, tokenize: tokenString(quote, f) });

      // if we're in a string and in an XML block, allow an embedded code block

      if(stream.match("{", false) && isInXmlAttributeBlock(state)) {

        state.tokenize = tokenBase;

        return "string";

      }

      while (ch = stream.next()) {

        if (ch ==  quote) {

          popStateStack(state);

          if(f) state.tokenize = f;

          break;

        }

        else {

          // if we're in a string and in an XML block, allow an embedded code block in an attribute

          if(stream.match("{", false) && isInXmlAttributeBlock(state)) {

            state.tokenize = tokenBase;

            return "string";

          }

        }

      }

      return "string";

    };

  }

  // tokenizer for variables

  function tokenVariable(stream, state) {

    var isVariableChar = /[\w\$_-]/;

    // a variable may start with a quoted EQName so if the next character is quote, consume to the next quote

    if(stream.eat("\"")) {

      while(stream.next() !== '\"'){};

      stream.eat(":");

    } else {

      stream.eatWhile(isVariableChar);

      if(!stream.match(":=", false)) stream.eat(":");

    }

    stream.eatWhile(isVariableChar);

    state.tokenize = tokenBase;

    return "variable";

  }

  // tokenizer for XML tags

  function tokenTag(name, isclose) {

    return function(stream, state) {

      stream.eatSpace();

      if(isclose && stream.eat(">")) {

        popStateStack(state);

        state.tokenize = tokenBase;

        return "tag";

      }

      // self closing tag without attributes?

      if(!stream.eat("/"))

        pushStateStack(state, { type: "tag", name: name, tokenize: tokenBase});

      if(!stream.eat(">")) {

        state.tokenize = tokenAttribute;

        return "tag";

      }

      else {

        state.tokenize = tokenBase;

      }

      return "tag";

    };

  }

  // tokenizer for XML attributes

  function tokenAttribute(stream, state) {

    var ch = stream.next();

    if(ch == "/" && stream.eat(">")) {

      if(isInXmlAttributeBlock(state)) popStateStack(state);

      if(isInXmlBlock(state)) popStateStack(state);

      return "tag";

    }

    if(ch == ">") {

      if(isInXmlAttributeBlock(state)) popStateStack(state);

      return "tag";

    }

    if(ch == "=")

      return null;

    // quoted string

    if (ch == '"' || ch == "'")

      return chain(stream, state, tokenString(ch, tokenAttribute));

    if(!isInXmlAttributeBlock(state))

      pushStateStack(state, { type: "attribute", tokenize: tokenAttribute});

    stream.eat(/[a-zA-Z_:]/);

    stream.eatWhile(/[-a-zA-Z0-9_:.]/);

    stream.eatSpace();

    // the case where the attribute has not value and the tag was closed

    if(stream.match(">", false) || stream.match("/", false)) {

      popStateStack(state);

      state.tokenize = tokenBase;

    }

    return "attribute";

  }

  // handle comments, including nested

  function tokenXMLComment(stream, state) {

    var ch;

    while (ch = stream.next()) {

      if (ch == "-" && stream.match("->", true)) {

        state.tokenize = tokenBase;

        return "comment";

      }

    }

  }

  // handle CDATA

  function tokenCDATA(stream, state) {

    var ch;

    while (ch = stream.next()) {

      if (ch == "]" && stream.match("]", true)) {

        state.tokenize = tokenBase;

        return "comment";

      }

    }

  }

  // handle preprocessing instructions

  function tokenPreProcessing(stream, state) {

    var ch;

    while (ch = stream.next()) {

      if (ch == "?" && stream.match(">", true)) {

        state.tokenize = tokenBase;

        return "comment meta";

      }

    }

  }

  // functions to test the current context of the state

  function isInXmlBlock(state) { return isIn(state, "tag"); }

  function isInXmlAttributeBlock(state) { return isIn(state, "attribute"); }

  function isInXmlConstructor(state) { return isIn(state, "xmlconstructor"); }

  function isInString(state) { return isIn(state, "string"); }

  function isEQNameAhead(stream) {

    // assume we've already eaten a quote (")

    if(stream.current() === '"')

      return stream.match(/^[^\"]+\"\:/, false);

    else if(stream.current() === '\'')

      return stream.match(/^[^\"]+\'\:/, false);

    else

      return false;

  }

  function isIn(state, type) {

    return (state.stack.length && state.stack[state.stack.length - 1].type == type);

  }

  function pushStateStack(state, newState) {

    state.stack.push(newState);

  }

  function popStateStack(state) {

    state.stack.pop();

    var reinstateTokenize = state.stack.length && state.stack[state.stack.length-1].tokenize;

    state.tokenize = reinstateTokenize || tokenBase;

  }

  // the interface for the mode API

  return {

    startState: function() {

      return {

        tokenize: tokenBase,

        cc: [],

        stack: []

      };

    },

    token: function(stream, state) {

      if (stream.eatSpace()) return null;

      var style = state.tokenize(stream, state);

      return style;

    },

    blockCommentStart: "(:",

    blockCommentEnd: ":)"

  };

});

CodeMirror.defineMIME("application/xquery", "xquery");

});