1// CodeMirror, copyright (c) by Marijn Haverbeke and others
  2// Distributed under an MIT license: https://codemirror.net/LICENSE
  3
  4// mode(s) for the sequence chart dsl's mscgen, xù and msgenny
  5// For more information on mscgen, see the site of the original author:
  6// http://www.mcternan.me.uk/mscgen
  7//
  8// This mode for mscgen and the two derivative languages were
  9// originally made for use in the mscgen_js interpreter
 10// (https://sverweij.github.io/mscgen_js)
 11
 12(function(mod) {
 13  if ( typeof exports == "object" && typeof module == "object")// CommonJS
 14    mod(require("../../lib/codemirror"));
 15  else if ( typeof define == "function" && define.amd)// AMD
 16    define(["../../lib/codemirror"], mod);
 17  else// Plain browser env
 18    mod(CodeMirror);
 19})(function(CodeMirror) {
 20  "use strict";
 21
 22  var languages = {
 23    mscgen: {
 24      "keywords" : ["msc"],
 25      "options" : ["hscale", "width", "arcgradient", "wordwraparcs"],
 26      "constants" : ["true", "false", "on", "off"],
 27      "attributes" : ["label", "idurl", "id", "url", "linecolor", "linecolour", "textcolor", "textcolour", "textbgcolor", "textbgcolour", "arclinecolor", "arclinecolour", "arctextcolor", "arctextcolour", "arctextbgcolor", "arctextbgcolour", "arcskip"],
 28      "brackets" : ["\\{", "\\}"], // [ and  ] are brackets too, but these get handled in with lists
 29      "arcsWords" : ["note", "abox", "rbox", "box"],
 30      "arcsOthers" : ["\\|\\|\\|", "\\.\\.\\.", "---", "--", "<->", "==", "<<=>>", "<=>", "\\.\\.", "<<>>", "::", "<:>", "->", "=>>", "=>", ">>", ":>", "<-", "<<=", "<=", "<<", "<:", "x-", "-x"],
 31      "singlecomment" : ["//", "#"],
 32      "operators" : ["="]
 33    },
 34    xu: {
 35      "keywords" : ["msc", "xu"],
 36      "options" : ["hscale", "width", "arcgradient", "wordwraparcs", "wordwrapentities", "watermark"],
 37      "constants" : ["true", "false", "on", "off", "auto"],
 38      "attributes" : ["label", "idurl", "id", "url", "linecolor", "linecolour", "textcolor", "textcolour", "textbgcolor", "textbgcolour", "arclinecolor", "arclinecolour", "arctextcolor", "arctextcolour", "arctextbgcolor", "arctextbgcolour", "arcskip", "title", "deactivate", "activate", "activation"],
 39      "brackets" : ["\\{", "\\}"],  // [ and  ] are brackets too, but these get handled in with lists
 40      "arcsWords" : ["note", "abox", "rbox", "box", "alt", "else", "opt", "break", "par", "seq", "strict", "neg", "critical", "ignore", "consider", "assert", "loop", "ref", "exc"],
 41      "arcsOthers" : ["\\|\\|\\|", "\\.\\.\\.", "---", "--", "<->", "==", "<<=>>", "<=>", "\\.\\.", "<<>>", "::", "<:>", "->", "=>>", "=>", ">>", ":>", "<-", "<<=", "<=", "<<", "<:", "x-", "-x"],
 42      "singlecomment" : ["//", "#"],
 43      "operators" : ["="]
 44    },
 45    msgenny: {
 46      "keywords" : null,
 47      "options" : ["hscale", "width", "arcgradient", "wordwraparcs", "wordwrapentities", "watermark"],
 48      "constants" : ["true", "false", "on", "off", "auto"],
 49      "attributes" : null,
 50      "brackets" : ["\\{", "\\}"],
 51      "arcsWords" : ["note", "abox", "rbox", "box", "alt", "else", "opt", "break", "par", "seq", "strict", "neg", "critical", "ignore", "consider", "assert", "loop", "ref", "exc"],
 52      "arcsOthers" : ["\\|\\|\\|", "\\.\\.\\.", "---", "--", "<->", "==", "<<=>>", "<=>", "\\.\\.", "<<>>", "::", "<:>", "->", "=>>", "=>", ">>", ":>", "<-", "<<=", "<=", "<<", "<:", "x-", "-x"],
 53      "singlecomment" : ["//", "#"],
 54      "operators" : ["="]
 55    }
 56  }
 57
 58  CodeMirror.defineMode("mscgen", function(_, modeConfig) {
 59    var language = languages[modeConfig && modeConfig.language || "mscgen"]
 60    return {
 61      startState: startStateFn,
 62      copyState: copyStateFn,
 63      token: produceTokenFunction(language),
 64      lineComment : "#",
 65      blockCommentStart : "/*",
 66      blockCommentEnd : "*/"
 67    };
 68  });
 69
 70  CodeMirror.defineMIME("text/x-mscgen", "mscgen");
 71  CodeMirror.defineMIME("text/x-xu", {name: "mscgen", language: "xu"});
 72  CodeMirror.defineMIME("text/x-msgenny", {name: "mscgen", language: "msgenny"});
 73
 74  function wordRegexpBoundary(pWords) {
 75    return new RegExp("\\b(" + pWords.join("|") + ")\\b", "i");
 76  }
 77
 78  function wordRegexp(pWords) {
 79    return new RegExp("(" + pWords.join("|") + ")", "i");
 80  }
 81
 82  function startStateFn() {
 83    return {
 84      inComment : false,
 85      inString : false,
 86      inAttributeList : false,
 87      inScript : false
 88    };
 89  }
 90
 91  function copyStateFn(pState) {
 92    return {
 93      inComment : pState.inComment,
 94      inString : pState.inString,
 95      inAttributeList : pState.inAttributeList,
 96      inScript : pState.inScript
 97    };
 98  }
 99
100  function produceTokenFunction(pConfig) {
101
102    return function(pStream, pState) {
103      if (pStream.match(wordRegexp(pConfig.brackets), true, true)) {
104        return "bracket";
105      }
106      /* comments */
107      if (!pState.inComment) {
108        if (pStream.match(/\/\*[^\*\/]*/, true, true)) {
109          pState.inComment = true;
110          return "comment";
111        }
112        if (pStream.match(wordRegexp(pConfig.singlecomment), true, true)) {
113          pStream.skipToEnd();
114          return "comment";
115        }
116      }
117      if (pState.inComment) {
118        if (pStream.match(/[^\*\/]*\*\//, true, true))
119          pState.inComment = false;
120        else
121          pStream.skipToEnd();
122        return "comment";
123      }
124      /* strings */
125      if (!pState.inString && pStream.match(/\"(\\\"|[^\"])*/, true, true)) {
126        pState.inString = true;
127        return "string";
128      }
129      if (pState.inString) {
130        if (pStream.match(/[^\"]*\"/, true, true))
131          pState.inString = false;
132        else
133          pStream.skipToEnd();
134        return "string";
135      }
136      /* keywords & operators */
137      if (!!pConfig.keywords && pStream.match(wordRegexpBoundary(pConfig.keywords), true, true))
138        return "keyword";
139
140      if (pStream.match(wordRegexpBoundary(pConfig.options), true, true))
141        return "keyword";
142
143      if (pStream.match(wordRegexpBoundary(pConfig.arcsWords), true, true))
144        return "keyword";
145
146      if (pStream.match(wordRegexp(pConfig.arcsOthers), true, true))
147        return "keyword";
148
149      if (!!pConfig.operators && pStream.match(wordRegexp(pConfig.operators), true, true))
150        return "operator";
151
152      if (!!pConfig.constants && pStream.match(wordRegexp(pConfig.constants), true, true))
153        return "variable";
154
155      /* attribute lists */
156      if (!pConfig.inAttributeList && !!pConfig.attributes && pStream.match(/\[/, true, true)) {
157        pConfig.inAttributeList = true;
158        return "bracket";
159      }
160      if (pConfig.inAttributeList) {
161        if (pConfig.attributes !== null && pStream.match(wordRegexpBoundary(pConfig.attributes), true, true)) {
162          return "attribute";
163        }
164        if (pStream.match(/]/, true, true)) {
165          pConfig.inAttributeList = false;
166          return "bracket";
167        }
168      }
169
170      pStream.next();
171      return "base";
172    };
173  }
174
175});