CompletionDictionary.js 3.4 KB

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  1. /*
  2. * Copyright (C) 2013 Google Inc. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions are
  6. * met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above
  11. * copyright notice, this list of conditions and the following disclaimer
  12. * in the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Google Inc. nor the names of its
  15. * contributors may be used to endorse or promote products derived from
  16. * this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. */
  30. /**
  31. * @interface
  32. */
  33. WebInspector.CompletionDictionary = function() { }
  34. WebInspector.CompletionDictionary.prototype = {
  35. /**
  36. * @param {string} word
  37. */
  38. addWord: function(word) { },
  39. /**
  40. * @param {string} word
  41. */
  42. removeWord: function(word) { },
  43. /**
  44. * @param {string} word
  45. * @return {boolean}
  46. */
  47. hasWord: function(word) { },
  48. /**
  49. * @param {string} prefix
  50. * @return {Array.<string>}
  51. */
  52. wordsWithPrefix: function(prefix) { },
  53. /**
  54. * @param {string} word
  55. * @return {number}
  56. */
  57. wordCount: function(word) { }
  58. }
  59. /**
  60. * @constructor
  61. * @implements {WebInspector.CompletionDictionary}
  62. */
  63. WebInspector.SampleCompletionDictionary = function() {
  64. this._words = {};
  65. }
  66. WebInspector.SampleCompletionDictionary.prototype = {
  67. /**
  68. * @param {string} word
  69. */
  70. addWord: function(word)
  71. {
  72. if (!this._words[word])
  73. this._words[word] = 1;
  74. else
  75. ++this._words[word];
  76. },
  77. /**
  78. * @param {string} word
  79. */
  80. removeWord: function(word)
  81. {
  82. if (!this._words[word])
  83. return;
  84. if (this._words[word] === 1)
  85. delete this._words[word];
  86. else
  87. --this._words[word];
  88. },
  89. /**
  90. * @param {string} prefix
  91. * @return {Array.<string>}
  92. */
  93. wordsWithPrefix: function(prefix)
  94. {
  95. var words = [];
  96. for(var i in this._words) {
  97. if (i.startsWith(prefix))
  98. words.push(i);
  99. }
  100. return words;
  101. },
  102. /**
  103. * @param {string} word
  104. * @return {boolean}
  105. */
  106. hasWord: function(word)
  107. {
  108. return !!this._words[word];
  109. },
  110. /**
  111. * @param {string} word
  112. * @return {number}
  113. */
  114. wordCount: function(word)
  115. {
  116. return this._words[word] ? this._words[word] : 0;
  117. }
  118. }