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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, {
escape: function(string) {
return string.replace(/&/g, "&")
.replace(/</g, "<")
.replace(/>/g, ">")
.replace(/"/g, """)
.replace(/'/g, "'")
;
},
// JSON pretty printing
formatJSON: function(val, options) {
options = $.extend({
escapeStrings: true,
indent: 4,
linesep: "\n",
quoteKeys: true
}, options || {});
var itemsep = options.linesep.length ? "," + options.linesep : ", ";
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 = val;
if (type == "string" && !options.escapeStrings) {
retval = indentLines(retval.replace(/\r\n/g, "\n"), tab.substr(options.indent));
} else {
if (options.html) {
retval = $.futon.escape(JSON.stringify(val));
} else {
retval = JSON.stringify(val);
}
}
if (options.html) {
retval = "<code class='" + type + "'>" + 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("]");
if (options.html) {
return "<code class='array'>" + buf.join("") + "</code>";
}
} 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'>" + $.futon.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("}");
if (options.html) {
return "<code class='object'>" + buf.join("") + "</code>";
}
}
return buf.join("");
}
}
}
function indentLines(text, tab) {
var lines = text.split("\n");
for (var i in lines) {
lines[i] = (i > 0 ? tab : "") + $.futon.escape(lines[i]);
}
return lines.join("<br>");
}
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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