velocity.js 6.8 KB

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  1. (function(mod) {
  2. if (typeof exports == "object" && typeof module == "object") // CommonJS
  3. mod(require("../../lib/codemirror"));
  4. else if (typeof define == "function" && define.amd) // AMD
  5. define(["../../lib/codemirror"], mod);
  6. else // Plain browser env
  7. mod(CodeMirror);
  8. })(function(CodeMirror) {
  9. "use strict";
  10. CodeMirror.defineMode("velocity", function() {
  11. function parseWords(str) {
  12. var obj = {}, words = str.split(" ");
  13. for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
  14. return obj;
  15. }
  16. var keywords = parseWords("#end #else #break #stop #[[ #]] " +
  17. "#{end} #{else} #{break} #{stop}");
  18. var functions = parseWords("#if #elseif #foreach #set #include #parse #macro #define #evaluate " +
  19. "#{if} #{elseif} #{foreach} #{set} #{include} #{parse} #{macro} #{define} #{evaluate}");
  20. var specials = parseWords("$foreach.count $foreach.hasNext $foreach.first $foreach.last $foreach.topmost $foreach.parent.count $foreach.parent.hasNext $foreach.parent.first $foreach.parent.last $foreach.parent $velocityCount $!bodyContent $bodyContent");
  21. var isOperatorChar = /[+\-*&%=<>!?:\/|]/;
  22. function chain(stream, state, f) {
  23. state.tokenize = f;
  24. return f(stream, state);
  25. }
  26. function tokenBase(stream, state) {
  27. var beforeParams = state.beforeParams;
  28. state.beforeParams = false;
  29. var ch = stream.next();
  30. // start of unparsed string?
  31. if ((ch == "'") && state.inParams) {
  32. state.lastTokenWasBuiltin = false;
  33. return chain(stream, state, tokenString(ch));
  34. }
  35. // start of parsed string?
  36. else if ((ch == '"')) {
  37. state.lastTokenWasBuiltin = false;
  38. if (state.inString) {
  39. state.inString = false;
  40. return "string";
  41. }
  42. else if (state.inParams)
  43. return chain(stream, state, tokenString(ch));
  44. }
  45. // is it one of the special signs []{}().,;? Seperator?
  46. else if (/[\[\]{}\(\),;\.]/.test(ch)) {
  47. if (ch == "(" && beforeParams)
  48. state.inParams = true;
  49. else if (ch == ")") {
  50. state.inParams = false;
  51. state.lastTokenWasBuiltin = true;
  52. }
  53. return null;
  54. }
  55. // start of a number value?
  56. else if (/\d/.test(ch)) {
  57. state.lastTokenWasBuiltin = false;
  58. stream.eatWhile(/[\w\.]/);
  59. return "number";
  60. }
  61. // multi line comment?
  62. else if (ch == "#" && stream.eat("*")) {
  63. state.lastTokenWasBuiltin = false;
  64. return chain(stream, state, tokenComment);
  65. }
  66. // unparsed content?
  67. else if (ch == "#" && stream.match(/ *\[ *\[/)) {
  68. state.lastTokenWasBuiltin = false;
  69. return chain(stream, state, tokenUnparsed);
  70. }
  71. // single line comment?
  72. else if (ch == "#" && stream.eat("#")) {
  73. state.lastTokenWasBuiltin = false;
  74. stream.skipToEnd();
  75. return "comment";
  76. }
  77. // variable?
  78. else if (ch == "$") {
  79. stream.eatWhile(/[\w\d\$_\.{}]/);
  80. // is it one of the specials?
  81. if (specials && specials.propertyIsEnumerable(stream.current())) {
  82. return "keyword";
  83. }
  84. else {
  85. state.lastTokenWasBuiltin = true;
  86. state.beforeParams = true;
  87. return "builtin";
  88. }
  89. }
  90. // is it a operator?
  91. else if (isOperatorChar.test(ch)) {
  92. state.lastTokenWasBuiltin = false;
  93. stream.eatWhile(isOperatorChar);
  94. return "operator";
  95. }
  96. else {
  97. // get the whole word
  98. stream.eatWhile(/[\w\$_{}@]/);
  99. var word = stream.current();
  100. // is it one of the listed keywords?
  101. if (keywords && keywords.propertyIsEnumerable(word))
  102. return "keyword";
  103. // is it one of the listed functions?
  104. if (functions && functions.propertyIsEnumerable(word) ||
  105. (stream.current().match(/^#@?[a-z0-9_]+ *$/i) && stream.peek()=="(") &&
  106. !(functions && functions.propertyIsEnumerable(word.toLowerCase()))) {
  107. state.beforeParams = true;
  108. state.lastTokenWasBuiltin = false;
  109. return "keyword";
  110. }
  111. if (state.inString) {
  112. state.lastTokenWasBuiltin = false;
  113. return "string";
  114. }
  115. if (stream.pos > word.length && stream.string.charAt(stream.pos-word.length-1)=="." && state.lastTokenWasBuiltin)
  116. return "builtin";
  117. // default: just a "word"
  118. state.lastTokenWasBuiltin = false;
  119. return null;
  120. }
  121. }
  122. function tokenString(quote) {
  123. return function(stream, state) {
  124. var escaped = false, next, end = false;
  125. while ((next = stream.next()) != null) {
  126. if ((next == quote) && !escaped) {
  127. end = true;
  128. break;
  129. }
  130. if (quote=='"' && stream.peek() == '$' && !escaped) {
  131. state.inString = true;
  132. end = true;
  133. break;
  134. }
  135. escaped = !escaped && next == "\\";
  136. }
  137. if (end) state.tokenize = tokenBase;
  138. return "string";
  139. };
  140. }
  141. function tokenComment(stream, state) {
  142. var maybeEnd = false, ch;
  143. while (ch = stream.next()) {
  144. if (ch == "#" && maybeEnd) {
  145. state.tokenize = tokenBase;
  146. break;
  147. }
  148. maybeEnd = (ch == "*");
  149. }
  150. return "comment";
  151. }
  152. function tokenUnparsed(stream, state) {
  153. var maybeEnd = 0, ch;
  154. while (ch = stream.next()) {
  155. if (ch == "#" && maybeEnd == 2) {
  156. state.tokenize = tokenBase;
  157. break;
  158. }
  159. if (ch == "]")
  160. maybeEnd++;
  161. else if (ch != " ")
  162. maybeEnd = 0;
  163. }
  164. return "meta";
  165. }
  166. // Interface
  167. return {
  168. startState: function() {
  169. return {
  170. tokenize: tokenBase,
  171. beforeParams: false,
  172. inParams: false,
  173. inString: false,
  174. lastTokenWasBuiltin: false
  175. };
  176. },
  177. token: function(stream, state) {
  178. if (stream.eatSpace()) return null;
  179. return state.tokenize(stream, state);
  180. },
  181. blockCommentStart: "#*",
  182. blockCommentEnd: "*#",
  183. lineComment: "##",
  184. fold: "velocity"
  185. };
  186. });
  187. CodeMirror.defineMIME("text/velocity", "velocity");
  188. });