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https://github.com/Jermolene/TiddlyWiki5
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59 lines
1.3 KiB
JavaScript
Executable File
59 lines
1.3 KiB
JavaScript
Executable File
/*
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jquery.tw.macro.js
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macro parameter expansion
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*/
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(function($) {
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$.tw.extend({
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expandMacroParams: function(params) {
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// expand the macro parameters into a name:value hash
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// all parameters are also given a numeric name, starting at 1
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var opts = {};
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var unnamed = 1;
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var name,val;
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var t = $.trim(params);
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var s = 0;
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var i = findNakedSpace(t,s);
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var param = i==-1 ? t.substr(s) : t.substring(s,i);
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while(true) {
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var ci = param.indexOf(':');
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if(ci==-1) {
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// parameter is unnamed
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name = param ? unnamed++ : null;
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val = param;
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} else {
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name = param.substr(0,ci);
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val = param.substr(ci+1);
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}
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val = $.trim(val);
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if(val.charAt(0)=='"' && val.charAt(val.length-1)=='"') {
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val = val.substr(1,val.length-2);
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}
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if(name)
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opts[name] = val;
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if(i==-1)
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break;
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s = i+1;
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i = findNakedSpace(t,s);
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param = i==-1 ? t.substr(s) : t.substring(s,i);
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}
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return opts;
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}
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});
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// Private functions.
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function findNakedSpace(text,start) {
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// find the next space not surrounded by quotes
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var d = text.indexOf(' ',start);
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if(d==-1)
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return -1;
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var qs = text.indexOf('"',start);
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if(qs==-1 || qs > d)
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return d;
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var qe = text.indexOf('"',qs+1);
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if(qe==-1)
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return d;
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return findNakedSpace(text,qe+1);
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}
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})(jQuery);
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