text: /**
   * @license
   * Copyright (c) 2018, General Electric
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  // CodeMirror, copyright (c) by Marijn Haverbeke and others
  // Distributed under an MIT license: http://codemirror.net/LICENSE
  
  /**
   * Smarty 2 and 3 mode.
   */
  
  (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("smarty", function(config, parserConf) {
      var rightDelimiter = parserConf.rightDelimiter || "}";
      var leftDelimiter = parserConf.leftDelimiter || "{";
      var version = parserConf.version || 2;
      var baseMode = CodeMirror.getMode(config, parserConf.baseMode || "null");
  
      var keyFunctions = ["debug", "extends", "function", "include", "literal"];
      var regs = {
        operatorChars: /[+\-*&%=<>!?]/,
        validIdentifier: /[a-zA-Z0-9_]/,
        stringChar: /['"]/
      };
  
      var last;
      function cont(style, lastType) {
        last = lastType;
        return style;
      }
  
      function chain(stream, state, parser) {
        state.tokenize = parser;
        return parser(stream, state);
      }
  
      // Smarty 3 allows { and } surrounded by whitespace to NOT slip into Smarty mode
      function doesNotCount(stream, pos) {
        if (pos == null) pos = stream.pos;
        return version === 3 && leftDelimiter == "{" &&
          (pos == stream.string.length || /\s/.test(stream.string.charAt(pos)));
      }
  
      function tokenTop(stream, state) {
        var string = stream.string;
        for (var scan = stream.pos;;) {
          var nextMatch = string.indexOf(leftDelimiter, scan);
          scan = nextMatch + leftDelimiter.length;
          if (nextMatch == -1 || !doesNotCount(stream, nextMatch + leftDelimiter.length)) break;
        }
        if (nextMatch == stream.pos) {
          stream.match(leftDelimiter);
          if (stream.eat("*")) {
            return chain(stream, state, tokenBlock("comment", "*" + rightDelimiter));
          } else {
            state.depth++;
            state.tokenize = tokenSmarty;
            last = "startTag";
            return "tag";
          }
        }
  
        if (nextMatch > -1) stream.string = string.slice(0, nextMatch);
        var token = baseMode.token(stream, state.base);
        if (nextMatch > -1) stream.string = string;
        return token;
      }
  
      // parsing Smarty content
      function tokenSmarty(stream, state) {
        if (stream.match(rightDelimiter, true)) {
          if (version === 3) {
            state.depth--;
            if (state.depth <= 0) {
              state.tokenize = tokenTop;
            }
          } else {
            state.tokenize = tokenTop;
          }
          return cont("tag", null);
        }
  
        if (stream.match(leftDelimiter, true)) {
          state.depth++;
          return cont("tag", "startTag");
        }
  
        var ch = stream.next();
        if (ch == "$") {
          stream.eatWhile(regs.validIdentifier);
          return cont("variable-2", "variable");
        } else if (ch == "|") {
          return cont("operator", "pipe");
        } else if (ch == ".") {
          return cont("operator", "property");
        } else if (regs.stringChar.test(ch)) {
          state.tokenize = tokenAttribute(ch);
          return cont("string", "string");
        } else if (regs.operatorChars.test(ch)) {
          stream.eatWhile(regs.operatorChars);
          return cont("operator", "operator");
        } else if (ch == "[" || ch == "]") {
          return cont("bracket", "bracket");
        } else if (ch == "(" || ch == ")") {
          return cont("bracket", "operator");
        } else if (/\d/.test(ch)) {
          stream.eatWhile(/\d/);
          return cont("number", "number");
        } else {
  
          if (state.last == "variable") {
            if (ch == "@") {
              stream.eatWhile(regs.validIdentifier);
              return cont("property", "property");
            } else if (ch == "|") {
              stream.eatWhile(regs.validIdentifier);
              return cont("qualifier", "modifier");
            }
          } else if (state.last == "pipe") {
            stream.eatWhile(regs.validIdentifier);
            return cont("qualifier", "modifier");
          } else if (state.last == "whitespace") {
            stream.eatWhile(regs.validIdentifier);
            return cont("attribute", "modifier");
          } if (state.last == "property") {
            stream.eatWhile(regs.validIdentifier);
            return cont("property", null);
          } else if (/\s/.test(ch)) {
            last = "whitespace";
            return null;
          }
  
          var str = "";
          if (ch != "/") {
            str += ch;
          }
          var c = null;
          while (c = stream.eat(regs.validIdentifier)) {
            str += c;
          }
          for (var i=0, j=keyFunctions.length; i<j; i++) {
            if (keyFunctions[i] == str) {
              return cont("keyword", "keyword");
            }
          }
          if (/\s/.test(ch)) {
            return null;
          }
          return cont("tag", "tag");
        }
      }
  
      function tokenAttribute(quote) {
        return function(stream, state) {
          var prevChar = null;
          var currChar = null;
          while (!stream.eol()) {
            currChar = stream.peek();
            if (stream.next() == quote && prevChar !== '\\') {
              state.tokenize = tokenSmarty;
              break;
            }
            prevChar = currChar;
          }
          return "string";
        };
      }
  
      function tokenBlock(style, terminator) {
        return function(stream, state) {
          while (!stream.eol()) {
            if (stream.match(terminator)) {
              state.tokenize = tokenTop;
              break;
            }
            stream.next();
          }
          return style;
        };
      }
  
      return {
        startState: function() {
          return {
            base: CodeMirror.startState(baseMode),
            tokenize: tokenTop,
            last: null,
            depth: 0
          };
        },
        copyState: function(state) {
          return {
            base: CodeMirror.copyState(baseMode, state.base),
            tokenize: state.tokenize,
            last: state.last,
            depth: state.depth
          };
        },
        innerMode: function(state) {
          if (state.tokenize == tokenTop)
            return {mode: baseMode, state: state.base};
        },
        token: function(stream, state) {
          var style = state.tokenize(stream, state);
          state.last = last;
          return style;
        },
        indent: function(state, text) {
          if (state.tokenize == tokenTop && baseMode.indent)
            return baseMode.indent(state.base, text);
          else
            return CodeMirror.Pass;
        },
        blockCommentStart: leftDelimiter + "*",
        blockCommentEnd: "*" + rightDelimiter
      };
    });
  
    CodeMirror.defineMIME("text/x-smarty", "smarty");
  });
  