1 |
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2 | var CSSOM = {
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3 | CSSRule: require("./CSSRule").CSSRule,
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4 | CSSStyleSheet: require("./CSSStyleSheet").CSSStyleSheet,
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5 | MediaList: require("./MediaList").MediaList
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6 | };
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7 |
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8 |
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9 |
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10 |
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11 |
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12 |
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13 |
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14 |
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15 | CSSOM.CSSImportRule = function CSSImportRule() {
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16 | CSSOM.CSSRule.call(this);
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17 | this.href = "";
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18 | this.media = new CSSOM.MediaList();
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19 | this.styleSheet = new CSSOM.CSSStyleSheet();
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20 | };
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21 |
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22 | CSSOM.CSSImportRule.prototype = new CSSOM.CSSRule();
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23 | CSSOM.CSSImportRule.prototype.constructor = CSSOM.CSSImportRule;
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24 | CSSOM.CSSImportRule.prototype.type = 3;
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25 |
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26 | Object.defineProperty(CSSOM.CSSImportRule.prototype, "cssText", {
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27 | get: function() {
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28 | var mediaText = this.media.mediaText;
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29 | return "@import url(" + this.href + ")" + (mediaText ? " " + mediaText : "") + ";";
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30 | },
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31 | set: function(cssText) {
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32 | var i = 0;
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33 |
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34 | |
35 |
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36 |
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37 |
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38 |
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39 |
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40 |
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41 | var state = '';
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42 |
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43 | var buffer = '';
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44 | var index;
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45 | for (var character; (character = cssText.charAt(i)); i++) {
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46 |
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47 | switch (character) {
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48 | case ' ':
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49 | case '\t':
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50 | case '\r':
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51 | case '\n':
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52 | case '\f':
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53 | if (state === 'after-import') {
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54 | state = 'url';
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55 | } else {
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56 | buffer += character;
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57 | }
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58 | break;
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59 |
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60 | case '@':
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61 | if (!state && cssText.indexOf('@import', i) === i) {
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62 | state = 'after-import';
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63 | i += 'import'.length;
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64 | buffer = '';
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65 | }
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66 | break;
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67 |
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68 | case 'u':
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69 | if (state === 'url' && cssText.indexOf('url(', i) === i) {
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70 | index = cssText.indexOf(')', i + 1);
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71 | if (index === -1) {
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72 | throw i + ': ")" not found';
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73 | }
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74 | i += 'url('.length;
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75 | var url = cssText.slice(i, index);
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76 | if (url[0] === url[url.length - 1]) {
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77 | if (url[0] === '"' || url[0] === "'") {
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78 | url = url.slice(1, -1);
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79 | }
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80 | }
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81 | this.href = url;
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82 | i = index;
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83 | state = 'media';
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84 | }
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85 | break;
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86 |
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87 | case '"':
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88 | if (state === 'url') {
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89 | index = cssText.indexOf('"', i + 1);
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90 | if (!index) {
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91 | throw i + ": '\"' not found";
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92 | }
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93 | this.href = cssText.slice(i + 1, index);
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94 | i = index;
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95 | state = 'media';
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96 | }
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97 | break;
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98 |
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99 | case "'":
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100 | if (state === 'url') {
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101 | index = cssText.indexOf("'", i + 1);
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102 | if (!index) {
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103 | throw i + ': "\'" not found';
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104 | }
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105 | this.href = cssText.slice(i + 1, index);
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106 | i = index;
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107 | state = 'media';
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108 | }
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109 | break;
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110 |
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111 | case ';':
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112 | if (state === 'media') {
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113 | if (buffer) {
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114 | this.media.mediaText = buffer.trim();
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115 | }
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116 | }
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117 | break;
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118 |
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119 | default:
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120 | if (state === 'media') {
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121 | buffer += character;
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122 | }
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123 | break;
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124 | }
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125 | }
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126 | }
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127 | });
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128 |
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129 |
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130 |
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131 | exports.CSSImportRule = CSSOM.CSSImportRule;
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132 |
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