| 1 | 1 | simandl | /* |
| 2 | | | star-light - version 1.0.2 (2005/06/06) |
| 3 | | | Copyright 2005, Dean Edwards |
| 4 | | | License: http://creativecommons.org/licenses/LGPL/2.1/ |
| 5 | | | */ |
| 6 | | | |
| 7 | | | /* --- (include) /my/src?fix-ie5.js --- */ |
| 8 | | | /* --- (require) /my/src?ICommon.js --- */ |
| 9 | | | /* --- (require) /my/src?ParseMaster.js --- */ |
| 10 | | | |
| 11 | | | // constants |
| 12 | | | function get_IGNORE(){return "$1"}; |
| 13 | | | function get_LINE_COMMENT(){return /\/\/[^\n]*\n/}; |
| 14 | | | function get_BLOCK_COMMENT(){return /\/\*[^*]*\*+([^\/][^*]*\*+)*\//}; |
| 15 | | | function get_SGML_COMMENT(){return /<!\s*(--([^-]|[\r\n]|-[^-])*--\s*)>/}; |
| 16 | | | function get_STRING1(){return /'[^']*'/}; |
| 17 | | | function get_STRING2(){return /"[^"]*"/}; |
| 18 | | | function get_NUMBER(){return /\b[+-]?(\d*\.?\d+|\d+\.?\d*)([eE][+-]?\d+)?\b/}; |
| 19 | | | |
| 20 | | | // read-only |
| 21 | | | function get_parser(){return _parser}; |
| 22 | | | |
| 23 | | | function refresh() { |
| 24 | | | parse(true); |
| 25 | | | }; |
| 26 | | | |
| 27 | | | // initialise |
| 28 | | | tabStop = -1; // tabs to spaces |
| 29 | | | urls = false; |
| 30 | | | email = false; |
| 31 | | | userRefresh = false; |
| 32 | | | function parse(refresh) { |
| 33 | | | try { |
| 34 | | | if (refresh || !userRefresh) { |
| 35 | | | var $parsed = parser.exec(); |
| 36 | | | if ($parsed) innerHTML = $parsed; |
| 37 | | | } |
| 38 | | | } catch ($ignore) { |
| 39 | | | }}; |
| 40 | | | |
| 41 | | | // constants |
| 42 | | | var $BASE_TAG = "<span>$1</span>"; |
| 43 | | | var $ELEMENT_NODE = 1; // DOM constant |
| 44 | | | var $TEXT_NODE = 3; |
| 45 | | | // internal references |
| 46 | | | var _parser = new ParseMaster; |
| 47 | | | |
| 48 | | | // create and add a new pattern to the patterns collection |
| 49 | | | _parser.specialize({ |
| 50 | | | add: function($expression, $style, $replacement) { |
| 51 | | | // if "expression" is a string, assume it's a keyword list |
| 52 | | | // e.g. expression = "...each|else|end|for|goto..." |
| 53 | | | if (typeof $expression == "string") $expression = new RegExp("\\b(" + $expression + ")\\b"); |
| 54 | | | // allow some patterns to be ignored during parsing |
| 55 | | | // the IGNORE flag is for readability only |
| 56 | | | if ($style == IGNORE) $style = $replacement = ""; |
| 57 | | | else if ($style) $replacement = _stylise($replacement || $BASE_TAG, $style); |
| 58 | | | // call the ancestor method to create the pattern |
| 59 | | | this.inherit(new RegExp(_decode(String($expression).slice(1, -1))), $replacement || "$1"); |
| 60 | | | }, |
| 61 | | | // global init function (called from the HTC) |
| 62 | | | exec: function() { |
| 63 | | | // retrieve this element's text content |
| 64 | | | var $text = _decode(_getText(element)); |
| 65 | | | // parse the text |
| 66 | | | $text = this.inherit($text); |
| 67 | | | // parse urls / emails |
| 68 | | | $text = _parseUrls($text); |
| 69 | | | // update this element's html content |
| 70 | | | return _parseWhiteSpace(_encode($text)); |
| 71 | | | } |
| 72 | | | }); |
| 73 | | | |
| 74 | | | // add a style attribute to a replacement string (usually <span>text</span>) |
| 75 | | | function _stylise($replacement, $style) { |
| 76 | | | return $replacement.replace(/>/, " style='" + $style + "'>"); |
| 77 | | | }; |
| 78 | | | |
| 79 | | | // retrieve the element's text |
| 80 | | | function _getText($node) { |
| 81 | | | var $text = ""; |
| 82 | | | // loop through text nodes |
| 83 | | | var $childNodes = $node.childNodes; |
| 84 | | | for (var i = 0; ($node = $childNodes[i]); i++) { |
| 85 | | | switch ($node.nodeType) { |
| 86 | | | case $ELEMENT_NODE: |
| 87 | | | $text += ($node.tagName == "BR") ? "\r" : _getText($node); |
| 88 | | | break; |
| 89 | | | case $TEXT_NODE: |
| 90 | | | $text += $node.nodeValue; |
| 91 | | | break; |
| 92 | | | } |
| 93 | | | } |
| 94 | | | // ensure that we have the same text for both platforms (mozilla/explorer) |
| 95 | | | return $text.replace(/\r/g, "\n") + "\n"; |
| 96 | | | }; |
| 97 | | | |
| 98 | | | // fix tabs and spaces |
| 99 | | | function _parseWhiteSpace($text) { |
| 100 | | | var $leadingSpace = /(\n[ ]*) /g; |
| 101 | | | while ($leadingSpace.test($text)) { |
| 102 | | | $text = $text.replace($leadingSpace, "$1 "); |
| 103 | | | } |
| 104 | | | // fix tabs |
| 105 | | | var $stop = ""; |
| 106 | | | if (tabStop > 0) { |
| 107 | | | var $count = tabStop; |
| 108 | | | while ($count--) $stop += " "; |
| 109 | | | $text = $text.replace(/\t/g, $stop); |
| 110 | | | } |
| 111 | | | // yuk. me no like :-( |
| 112 | | | if (/MSIE/.test(navigator.appVersion)) { |
| 113 | | | // get line-spacing working properly for IE |
| 114 | | | $text = $text.replace(/\n(<\/\w+>)?/g, "$1<br>").replace(/<br><br>/g, "<p><br></p>"); |
| 115 | | | } |
| 116 | | | return $text; |
| 117 | | | }; |
| 118 | | | |
| 119 | | | function _parseUrls($text) { |
| 120 | | | if (urls) $text = $text.replace(/(http:\/\/+[\w\/\-%&#=.,?+$]+)/g, "<a href='$1'>$1</a>"); |
| 121 | | | if (email) $text = $text.replace(/([\w.-]+@[\w.-]+\.\w+)/g, "<a href='mailto:$1'>$1</a>"); |
| 122 | | | return $text; |
| 123 | | | }; |
| 124 | | | |
| 125 | | | // encode special characters |
| 126 | | | function _encode($text) { |
| 127 | | | return $text.split("\x02").join("<").split("\x03").join("&"); |
| 128 | | | }; |
| 129 | | | |
| 130 | | | // decode special characters |
| 131 | | | function _decode($text) { |
| 132 | | | // patterns need "<" encoded |
| 133 | | | return $text.split("<").join("\x02").split("&").join("\x03"); |
| 134 | | | }; |
