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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
(function($) {
$.futon = $.futon || {};
$.extend($.futon, {
// JSON pretty printing
formatJSON: function(val, options) {
options = $.extend({
indent: 4,
linesep: "\n",
quoteKeys: true
}, options || {});
var itemsep = options.linesep.length ? "," + options.linesep : ", ";
function escape(string) {
return string.replace(/&/g, "&")
.replace(/</g, "<")
.replace(/>/g, ">");
}
function format(val, depth) {
var tab = [];
for (var i = 0; i < options.indent * depth; i++) tab.push("");
tab = tab.join(" ");
var type = typeof val;
switch (type) {
case "boolean":
case "number":
case "string":
var retval = JSON.stringify(val);
if (options.html) {
retval = "<code class='" + type + "'>" + escape(retval) + "</code>";
}
return retval;
case "object": {
if (val === null) {
if (options.html) {
return "<code class='null'>null</code>";
}
return "null";
}
if (val.constructor == Date) {
return JSON.stringify(val);
}
var buf = [];
if (val.constructor == Array) {
buf.push("[");
for (var index = 0; index < val.length; index++) {
buf.push(index > 0 ? itemsep : options.linesep);
buf.push(tab, format(val[index], depth + 1));
}
if (index >= 0) buf.push(options.linesep, tab.substr(options.indent));
buf.push("]");
} else {
buf.push("{");
var index = 0;
for (var key in val) {
buf.push(index > 0 ? itemsep : options.linesep);
var keyDisplay = options.quoteKeys ? JSON.stringify(key) : key;
if (options.html) {
if (options.quoteKeys) {
keyDisplay = keyDisplay.substr(1, keyDisplay.length - 2);
}
keyDisplay = "<code class='key'>" + escape(keyDisplay) + "</code>";
if (options.quoteKeys) {
keyDisplay = '"' + keyDisplay + '"';
}
}
buf.push(tab, keyDisplay,
": ", format(val[key], depth + 1));
index++;
}
if (index >= 0) buf.push(options.linesep, tab.substr(options.indent));
buf.push("}");
}
return buf.join("");
}
}
}
return format(val, 1);
},
// File size pretty printing
formatSize: function(size) {
var jump = 512;
if (size < jump) return size + " bytes";
var units = ["KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
var i = 0;
while (size >= jump && i < units.length) {
i += 1;
size /= 1024
}
return size.toFixed(1) + ' ' + units[i - 1];
}
});
})(jQuery);
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