109 lines
3.3 KiB
JavaScript
109 lines
3.3 KiB
JavaScript
(function($) {
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function print_array(obj, opts) {
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var result = [];
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for (var i = 0; i < Math.min(opts.max_array, obj.length); i++)
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result.push($.print(obj[i], $.extend({}, opts, { max_array: 3, max_string: 40 })));
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if (obj.length > opts.max_array)
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result.push((obj.length - opts.max_array) + ' more...');
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if (result.length == 0) return "[]"
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return "[ " + result.join(", ") + " ]";
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}
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function print_element(obj) {
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if (obj.nodeType == 1) {
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var result = [];
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var properties = [ 'className', 'id' ];
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var extra = {
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'input': ['type', 'name', 'value'],
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'a': ['href', 'target'],
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'form': ['method', 'action'],
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'script': ['src'],
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'link': ['href'],
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'img': ['src']
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};
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$.each(properties.concat(extra[obj.tagName.toLowerCase()] || []), function(){
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if (obj[this])
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result.push(' ' + this.replace('className', 'class') + "=" + $.print(obj[this]))
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});
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return "<" + obj.tagName.toLowerCase()
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+ result.join('') + ">";
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}
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}
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function print_object(obj, opts) {
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var seen = opts.seen || [ obj ];
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var result = [], key, value;
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for (var k in obj) {
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if (obj.hasOwnProperty(k) && $.inArray(obj[k], seen) < 0) {
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seen.push(obj[k]);
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value = $.print(obj[k], $.extend({}, opts, { max_array: 6, max_string: 40, seen: seen }));
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} else
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value = "...";
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result.push(k + ": " + value);
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}
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if (result.length == 0) return "{}";
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return "{ " + result.join(", ") + " }";
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}
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function print_string(value, opts) {
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var character_substitutions = {
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'\b': '\\b',
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'\t': '\\t',
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'\n': '\\n',
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'\f': '\\f',
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'\r': '\\r',
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'"' : '\\"',
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'\\': '\\\\'
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};
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var r = /["\\\x00-\x1f\x7f-\x9f]/g;
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var str = r.test(value)
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? value.replace(r, function (a) {
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var c = character_substitutions[a];
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if (c) return c;
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c = a.charCodeAt();
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return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
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})
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: value ;
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if (str.length > opts.max_string)
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return str.slice(0, opts.max_string + 1) + '..."';
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else
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return str;
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}
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$.print = function(obj, options) {
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var opts = $.extend({}, { max_array: 10, max_string: 100 }, options);
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if (typeof obj == 'undefined')
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return "undefined";
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else if (typeof obj == 'boolean')
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return obj.toString();
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else if (typeof obj == 'number')
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return obj.toString();
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else if (!obj)
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return "null";
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else if (typeof obj == 'string')
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return print_string(obj, opts);
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else if (obj instanceof RegExp)
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return obj.toString();
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else if (obj instanceof Array || obj.callee || obj.item)
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return print_array(obj, opts);
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else if (typeof obj == 'function' || obj instanceof Function)
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return obj.toString().match(/^([^)]*\))/)[1];
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else if (obj.nodeType)
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return print_element(obj);
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else if (obj instanceof jQuery)
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return "$(" + $.print(obj.get()) + ")";
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else if (obj instanceof Error)
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return print_object(obj, $.extend({}, options, { max_string: 200 }));
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else if (obj instanceof Object)
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return print_object(obj, opts);
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else
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return obj.toString().replace(/\n\s*/g, '');
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}
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})(jQuery); |