printer.js 18 KB

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  1. "use strict";
  2. var __importDefault = (this && this.__importDefault) || function (mod) {
  3. return (mod && mod.__esModule) ? mod : { "default": mod };
  4. };
  5. Object.defineProperty(exports, "__esModule", { value: true });
  6. exports.PrintVisitor = exports.print = void 0;
  7. /* eslint-disable new-cap */
  8. var visitor_1 = __importDefault(require("./visitor"));
  9. function print(ast) {
  10. return new PrintVisitor().accept(ast);
  11. }
  12. exports.print = print;
  13. function PrintVisitor() {
  14. this.padding = 0;
  15. }
  16. exports.PrintVisitor = PrintVisitor;
  17. PrintVisitor.prototype = new visitor_1.default();
  18. PrintVisitor.prototype.pad = function (string) {
  19. var out = '';
  20. for (var i = 0, l = this.padding; i < l; i++) {
  21. out += ' ';
  22. }
  23. out += string + '\n';
  24. return out;
  25. };
  26. PrintVisitor.prototype.Program = function (program) {
  27. var out = '', body = program.body, i, l;
  28. if (program.blockParams) {
  29. var blockParams = 'BLOCK PARAMS: [';
  30. for (i = 0, l = program.blockParams.length; i < l; i++) {
  31. blockParams += ' ' + program.blockParams[i];
  32. }
  33. blockParams += ' ]';
  34. out += this.pad(blockParams);
  35. }
  36. for (i = 0, l = body.length; i < l; i++) {
  37. out += this.accept(body[i]);
  38. }
  39. this.padding--;
  40. return out;
  41. };
  42. PrintVisitor.prototype.MustacheStatement = function (mustache) {
  43. return this.pad('{{ ' + this.SubExpression(mustache) + ' }}');
  44. };
  45. PrintVisitor.prototype.Decorator = function (mustache) {
  46. return this.pad('{{ DIRECTIVE ' + this.SubExpression(mustache) + ' }}');
  47. };
  48. PrintVisitor.prototype.BlockStatement = PrintVisitor.prototype.DecoratorBlock = function (block) {
  49. var out = '';
  50. out += this.pad((block.type === 'DecoratorBlock' ? 'DIRECTIVE ' : '') + 'BLOCK:');
  51. this.padding++;
  52. out += this.pad(this.SubExpression(block));
  53. if (block.program) {
  54. out += this.pad('PROGRAM:');
  55. this.padding++;
  56. out += this.accept(block.program);
  57. this.padding--;
  58. }
  59. if (block.inverse) {
  60. if (block.program) {
  61. this.padding++;
  62. }
  63. out += this.pad('{{^}}');
  64. this.padding++;
  65. out += this.accept(block.inverse);
  66. this.padding--;
  67. if (block.program) {
  68. this.padding--;
  69. }
  70. }
  71. this.padding--;
  72. return out;
  73. };
  74. PrintVisitor.prototype.PartialStatement = function (partial) {
  75. var content = 'PARTIAL:' + partial.name.original;
  76. if (partial.params[0]) {
  77. content += ' ' + this.accept(partial.params[0]);
  78. }
  79. if (partial.hash) {
  80. content += ' ' + this.accept(partial.hash);
  81. }
  82. return this.pad('{{> ' + content + ' }}');
  83. };
  84. PrintVisitor.prototype.PartialBlockStatement = function (partial) {
  85. var content = 'PARTIAL BLOCK:' + partial.name.original;
  86. if (partial.params[0]) {
  87. content += ' ' + this.accept(partial.params[0]);
  88. }
  89. if (partial.hash) {
  90. content += ' ' + this.accept(partial.hash);
  91. }
  92. content += ' ' + this.pad('PROGRAM:');
  93. this.padding++;
  94. content += this.accept(partial.program);
  95. this.padding--;
  96. return this.pad('{{> ' + content + ' }}');
  97. };
  98. PrintVisitor.prototype.ContentStatement = function (content) {
  99. return this.pad("CONTENT[ '" + content.value + "' ]");
  100. };
  101. PrintVisitor.prototype.CommentStatement = function (comment) {
  102. return this.pad("{{! '" + comment.value + "' }}");
  103. };
  104. PrintVisitor.prototype.SubExpression = function (sexpr) {
  105. var params = sexpr.params, paramStrings = [], hash;
  106. for (var i = 0, l = params.length; i < l; i++) {
  107. paramStrings.push(this.accept(params[i]));
  108. }
  109. params = '[' + paramStrings.join(', ') + ']';
  110. hash = sexpr.hash ? ' ' + this.accept(sexpr.hash) : '';
  111. return this.accept(sexpr.path) + ' ' + params + hash;
  112. };
  113. PrintVisitor.prototype.PathExpression = function (id) {
  114. var path = id.parts.join('/');
  115. return (id.data ? '@' : '') + 'PATH:' + path;
  116. };
  117. PrintVisitor.prototype.StringLiteral = function (string) {
  118. return '"' + string.value + '"';
  119. };
  120. PrintVisitor.prototype.NumberLiteral = function (number) {
  121. return 'NUMBER{' + number.value + '}';
  122. };
  123. PrintVisitor.prototype.BooleanLiteral = function (bool) {
  124. return 'BOOLEAN{' + bool.value + '}';
  125. };
  126. PrintVisitor.prototype.UndefinedLiteral = function () {
  127. return 'UNDEFINED';
  128. };
  129. PrintVisitor.prototype.NullLiteral = function () {
  130. return 'NULL';
  131. };
  132. PrintVisitor.prototype.Hash = function (hash) {
  133. var pairs = hash.pairs, joinedPairs = [];
  134. for (var i = 0, l = pairs.length; i < l; i++) {
  135. joinedPairs.push(this.accept(pairs[i]));
  136. }
  137. return 'HASH{' + joinedPairs.join(', ') + '}';
  138. };
  139. PrintVisitor.prototype.HashPair = function (pair) {
  140. return pair.key + '=' + this.accept(pair.value);
  141. };
  142. /* eslint-enable new-cap */
  143. //# 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eslint-disable new-cap */\nimport Visitor from './visitor';\n\nexport function print(ast) {\n  return new PrintVisitor().accept(ast);\n}\n\nexport function PrintVisitor() {\n  this.padding = 0;\n}\n\nPrintVisitor.prototype = new Visitor();\n\nPrintVisitor.prototype.pad = function(string) {\n  let out = '';\n\n  for (let i = 0, l = this.padding; i < l; i++) {\n    out += '  ';\n  }\n\n  out += string + '\\n';\n  return out;\n};\n\nPrintVisitor.prototype.Program = function(program) {\n  let out = '',\n    body = program.body,\n    i,\n    l;\n\n  if (program.blockParams) {\n    let blockParams = 'BLOCK PARAMS: [';\n    for (i = 0, l = program.blockParams.length; i < l; i++) {\n      blockParams += ' ' + program.blockParams[i];\n    }\n    blockParams += ' ]';\n    out += this.pad(blockParams);\n  }\n\n  for (i = 0, l = body.length; i < l; i++) {\n    out += this.accept(body[i]);\n  }\n\n  this.padding--;\n\n  return out;\n};\n\nPrintVisitor.prototype.MustacheStatement = function(mustache) {\n  return this.pad('{{ ' + this.SubExpression(mustache) + ' }}');\n};\nPrintVisitor.prototype.Decorator = function(mustache) {\n  return this.pad('{{ DIRECTIVE ' + this.SubExpression(mustache) + ' }}');\n};\n\nPrintVisitor.prototype.BlockStatement = PrintVisitor.prototype.DecoratorBlock = function(\n  block\n) {\n  let out = '';\n\n  out += this.pad(\n    (block.type === 'DecoratorBlock' ? 'DIRECTIVE ' : '') + 'BLOCK:'\n  );\n  this.padding++;\n  out += this.pad(this.SubExpression(block));\n  if (block.program) {\n    out += this.pad('PROGRAM:');\n    this.padding++;\n    out += this.accept(block.program);\n    this.padding--;\n  }\n  if (block.inverse) {\n    if (block.program) {\n      this.padding++;\n    }\n    out += this.pad('{{^}}');\n    this.padding++;\n    out += this.accept(block.inverse);\n    this.padding--;\n    if (block.program) {\n      this.padding--;\n    }\n  }\n  this.padding--;\n\n  return out;\n};\n\nPrintVisitor.prototype.PartialStatement = function(partial) {\n  let content = 'PARTIAL:' + partial.name.original;\n  if (partial.params[0]) {\n    content += ' ' + this.accept(partial.params[0]);\n  }\n  if (partial.hash) {\n    content += ' ' + this.accept(partial.hash);\n  }\n  return this.pad('{{> ' + content + ' }}');\n};\nPrintVisitor.prototype.PartialBlockStatement = function(partial) {\n  let content = 'PARTIAL BLOCK:' + partial.name.original;\n  if (partial.params[0]) {\n    content += ' ' + this.accept(partial.params[0]);\n  }\n  if (partial.hash) {\n    content += ' ' + this.accept(partial.hash);\n  }\n\n  content += ' ' + this.pad('PROGRAM:');\n  this.padding++;\n  content += this.accept(partial.program);\n  this.padding--;\n\n  return this.pad('{{> ' + content + ' }}');\n};\n\nPrintVisitor.prototype.ContentStatement = function(content) {\n  return this.pad(\"CONTENT[ '\" + content.value + \"' ]\");\n};\n\nPrintVisitor.prototype.CommentStatement = function(comment) {\n  return this.pad(\"{{! '\" + comment.value + \"' }}\");\n};\n\nPrintVisitor.prototype.SubExpression = function(sexpr) {\n  let params = sexpr.params,\n    paramStrings = [],\n    hash;\n\n  for (let i = 0, l = params.length; i < l; i++) {\n    paramStrings.push(this.accept(params[i]));\n  }\n\n  params = '[' + paramStrings.join(', ') + ']';\n\n  hash = sexpr.hash ? ' ' + this.accept(sexpr.hash) : '';\n\n  return this.accept(sexpr.path) + ' ' + params + hash;\n};\n\nPrintVisitor.prototype.PathExpression = function(id) {\n  let path = id.parts.join('/');\n  return (id.data ? '@' : '') + 'PATH:' + path;\n};\n\nPrintVisitor.prototype.StringLiteral = function(string) {\n  return '\"' + string.value + '\"';\n};\n\nPrintVisitor.prototype.NumberLiteral = function(number) {\n  return 'NUMBER{' + number.value + '}';\n};\n\nPrintVisitor.prototype.BooleanLiteral = function(bool) {\n  return 'BOOLEAN{' + bool.value + '}';\n};\n\nPrintVisitor.prototype.UndefinedLiteral = function() {\n  return 'UNDEFINED';\n};\n\nPrintVisitor.prototype.NullLiteral = function() {\n  return 'NULL';\n};\n\nPrintVisitor.prototype.Hash = function(hash) {\n  let pairs = hash.pairs,\n    joinedPairs = [];\n\n  for (let i = 0, l = pairs.length; i < l; i++) {\n    joinedPairs.push(this.accept(pairs[i]));\n  }\n\n  return 'HASH{' + joinedPairs.join(', ') + '}';\n};\nPrintVisitor.prototype.HashPair = function(pair) {\n  return pair.key + '=' + this.accept(pair.value);\n};\n/* eslint-enable new-cap */\n"]}