/
binaryparser.js
74 lines (66 loc) · 1.63 KB
/
binaryparser.js
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/*\
title: $:/core/modules/parsers/binaryparser.js
type: application/javascript
module-type: parser
The binary parser parses a binary tiddler into a warning message and download link
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var BINARY_WARNING_MESSAGE = "$:/core/ui/BinaryWarning";
var EXPORT_BUTTON_IMAGE = "$:/core/images/export-button";
var BinaryParser = function(type,text,options) {
// Transclude the binary data tiddler warning message
var warn = {
type: "element",
tag: "p",
children: [{
type: "transclude",
attributes: {
"$tiddler": {type: "string", value: BINARY_WARNING_MESSAGE}
}
}]
};
// Create download link based on binary tiddler title
var link = {
type: "element",
tag: "a",
attributes: {
title: {type: "indirect", textReference: "!!title"},
download: {type: "indirect", textReference: "!!title"}
},
children: [{
type: "transclude",
attributes: {
"$tiddler": {type: "string", value: EXPORT_BUTTON_IMAGE}
}
}]
};
// Set the link href to external or internal data URI
if(options._canonical_uri) {
link.attributes.href = {
type: "string",
value: options._canonical_uri
};
} else if(text) {
link.attributes.href = {
type: "string",
value: "data:" + type + ";base64," + text
};
}
// Combine warning message and download link in a div
var element = {
type: "element",
tag: "div",
attributes: {
class: {type: "string", value: "tc-binary-warning"}
},
children: [warn, link]
}
this.tree = [element];
this.source = text;
this.type = type;
};
exports["application/octet-stream"] = BinaryParser;
})();