GPQAPP

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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/**
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 * Smarty 2 and 3 mode.
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 */
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(function(mod) {
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  if (typeof exports == "object" && typeof module == "object") // CommonJS
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    mod(require("../../lib/codemirror"));
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  else if (typeof define == "function" && define.amd) // AMD
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    define(["../../lib/codemirror"], mod);
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  else // Plain browser env
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    mod(CodeMirror);
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})(function(CodeMirror) {
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  "use strict";
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  CodeMirror.defineMode("smarty", function(config, parserConf) {
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    var rightDelimiter = parserConf.rightDelimiter || "}";
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    var leftDelimiter = parserConf.leftDelimiter || "{";
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    var version = parserConf.version || 2;
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    var baseMode = CodeMirror.getMode(config, parserConf.baseMode || "null");
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    var keyFunctions = ["debug", "extends", "function", "include", "literal"];
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    var regs = {
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      operatorChars: /[+\-*&%=<>!?]/,
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      validIdentifier: /[a-zA-Z0-9_]/,
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      stringChar: /['"]/
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    };
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    var last;
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    function cont(style, lastType) {
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      last = lastType;
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      return style;
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    }
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    function chain(stream, state, parser) {
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      state.tokenize = parser;
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      return parser(stream, state);
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    }
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    // Smarty 3 allows { and } surrounded by whitespace to NOT slip into Smarty mode
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    function doesNotCount(stream, pos) {
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      if (pos == null) pos = stream.pos;
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      return version === 3 && leftDelimiter == "{" &&
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        (pos == stream.string.length || /\s/.test(stream.string.charAt(pos)));
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    }
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    function tokenTop(stream, state) {
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      var string = stream.string;
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      for (var scan = stream.pos;;) {
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        var nextMatch = string.indexOf(leftDelimiter, scan);
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        scan = nextMatch + leftDelimiter.length;
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        if (nextMatch == -1 || !doesNotCount(stream, nextMatch + leftDelimiter.length)) break;
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      }
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      if (nextMatch == stream.pos) {
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        stream.match(leftDelimiter);
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        if (stream.eat("*")) {
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          return chain(stream, state, tokenBlock("comment", "*" + rightDelimiter));
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        } else {
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          state.depth++;
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          state.tokenize = tokenSmarty;
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          last = "startTag";
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          return "tag";
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        }
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      }
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      if (nextMatch > -1) stream.string = string.slice(0, nextMatch);
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      var token = baseMode.token(stream, state.base);
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      if (nextMatch > -1) stream.string = string;
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      return token;
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    }
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    // parsing Smarty content
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    function tokenSmarty(stream, state) {
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      if (stream.match(rightDelimiter, true)) {
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        if (version === 3) {
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          state.depth--;
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          if (state.depth <= 0) {
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            state.tokenize = tokenTop;
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          }
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        } else {
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          state.tokenize = tokenTop;
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        }
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        return cont("tag", null);
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      }
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      if (stream.match(leftDelimiter, true)) {
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        state.depth++;
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        return cont("tag", "startTag");
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      }
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      var ch = stream.next();
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      if (ch == "$") {
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        stream.eatWhile(regs.validIdentifier);
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        return cont("variable-2", "variable");
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      } else if (ch == "|") {
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        return cont("operator", "pipe");
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      } else if (ch == ".") {
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        return cont("operator", "property");
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      } else if (regs.stringChar.test(ch)) {
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        state.tokenize = tokenAttribute(ch);
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        return cont("string", "string");
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      } else if (regs.operatorChars.test(ch)) {
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        stream.eatWhile(regs.operatorChars);
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        return cont("operator", "operator");
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      } else if (ch == "[" || ch == "]") {
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        return cont("bracket", "bracket");
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      } else if (ch == "(" || ch == ")") {
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        return cont("bracket", "operator");
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      } else if (/\d/.test(ch)) {
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        stream.eatWhile(/\d/);
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        return cont("number", "number");
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      } else {
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        if (state.last == "variable") {
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          if (ch == "@") {
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            stream.eatWhile(regs.validIdentifier);
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            return cont("property", "property");
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          } else if (ch == "|") {
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            stream.eatWhile(regs.validIdentifier);
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            return cont("qualifier", "modifier");
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          }
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        } else if (state.last == "pipe") {
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          stream.eatWhile(regs.validIdentifier);
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          return cont("qualifier", "modifier");
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        } else if (state.last == "whitespace") {
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          stream.eatWhile(regs.validIdentifier);
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          return cont("attribute", "modifier");
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        } if (state.last == "property") {
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          stream.eatWhile(regs.validIdentifier);
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          return cont("property", null);
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        } else if (/\s/.test(ch)) {
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          last = "whitespace";
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          return null;
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        }
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        var str = "";
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        if (ch != "/") {
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          str += ch;
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        }
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        var c = null;
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        while (c = stream.eat(regs.validIdentifier)) {
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          str += c;
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        }
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        for (var i=0, j=keyFunctions.length; i<j; i++) {
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          if (keyFunctions[i] == str) {
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            return cont("keyword", "keyword");
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          }
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        }
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        if (/\s/.test(ch)) {
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          return null;
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        }
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        return cont("tag", "tag");
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      }
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    }
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    function tokenAttribute(quote) {
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      return function(stream, state) {
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        var prevChar = null;
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        var currChar = null;
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        while (!stream.eol()) {
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          currChar = stream.peek();
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          if (stream.next() == quote && prevChar !== '\\') {
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            state.tokenize = tokenSmarty;
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            break;
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          }
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          prevChar = currChar;
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        }
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        return "string";
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      };
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    }
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    function tokenBlock(style, terminator) {
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      return function(stream, state) {
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        while (!stream.eol()) {
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          if (stream.match(terminator)) {
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            state.tokenize = tokenTop;
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            break;
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          }
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          stream.next();
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        }
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        return style;
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      };
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    }
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    return {
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      startState: function() {
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        return {
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          base: CodeMirror.startState(baseMode),
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          tokenize: tokenTop,
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          last: null,
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          depth: 0
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        };
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      },
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      copyState: function(state) {
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        return {
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          base: CodeMirror.copyState(baseMode, state.base),
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          tokenize: state.tokenize,
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          last: state.last,
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          depth: state.depth
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        };
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      },
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      innerMode: function(state) {
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        if (state.tokenize == tokenTop)
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          return {mode: baseMode, state: state.base};
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      },
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      token: function(stream, state) {
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        var style = state.tokenize(stream, state);
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        state.last = last;
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        return style;
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      },
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      indent: function(state, text, line) {
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        if (state.tokenize == tokenTop && baseMode.indent)
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          return baseMode.indent(state.base, text, line);
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        else
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          return CodeMirror.Pass;
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      },
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      blockCommentStart: leftDelimiter + "*",
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      blockCommentEnd: "*" + rightDelimiter
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    };
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  });
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  CodeMirror.defineMIME("text/x-smarty", "smarty");
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});
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