95 lines
2.3 KiB
JavaScript
95 lines
2.3 KiB
JavaScript
function Serializer()
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{
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var __data_segments__ = 0;
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var __data_thickness__ = 1;
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var __data_linecap__ = 2;
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var __data_color__ = 3;
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var __data_mirror_index__ = 4;
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var __data_fill__ = 5;
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this.serialize = function()
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{
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// Store the data in an array.
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// This keeps away the property names, which just clutter up everything.
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var data = [
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[],
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dotgrid.thickness,
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dotgrid.linecap,
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dotgrid.color,
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dotgrid.mirror_index,
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dotgrid.fill
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];
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for (var id in dotgrid.segments) {
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data[__data_segments__][id] = this.serialize_segment(dotgrid.segments[id]);
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}
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return { dotgrid: data };
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}
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this.deserialize = function(data)
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{
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data = data.dotgrid;
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if (!data)
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return;
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if (data[__data_segments__]) {
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for (var id in data[__data_segments__]) {
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data[__data_segments__][id] = this.deserialize_segment(data[__data_segments__][id]);
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}
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}
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var d = (index, fallback) => index < data.length ? data[index] : fallback;
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dotgrid.segments = d(__data_segments__, []);
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dotgrid.thickness = d(__data_thickness__, 10);
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dotgrid.linecap = d(__data_linecap__, "square");
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dotgrid.color = d(__data_color__, "#000000");
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dotgrid.mirror_index = d(__data_mirror_index__, 0);
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dotgrid.fill = d(__data_fill__, false);
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}
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this.serialize_segment = function(s) {
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// Return falsy values (null, 0, false, "", ...) directly.
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if (!s) return s;
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var data = [";"];
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// Get rid of non-serializable stuff (i.e. functions).
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s = JSON.parse(JSON.stringify(s));
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// Store everything in arrays instead of objects, saving characters.
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for (var id in s) {
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// Skip the non-serialzied path name.
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if (s.__serialized_name__ && id === "name")
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continue;
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var prop = s[id];
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if (typeof(prop) === "object") {
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prop = this.serialize_segment(prop);
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}
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data.push(prop);
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}
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return data;
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}
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this.deserialize_segment = function(data) {
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var name = data.splice(0, 2)[1];
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// Unserialize anything that's serialized.
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for (var id in data) {
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var prop = data[id];
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if (prop && typeof(prop) === "object" && prop.length && prop[0] === ";") {
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prop = this.deserialize_segment(prop);
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}
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data[id] = prop;
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}
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var s = {};
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window[name].apply(s, data);
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return s;
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}
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} |