2 years ago · af9f6c2598
--- a/index.html
+++ b/index.html
@@ -0,0 +1,11 @@
 
				+<!doctype html>
			
 
				+<html>
			
 
				+    <head>
			
 
				+    </head>
			
 
				+    <body>
			
 
				+        Ciao
			
 
				+        <script src="libs/ical.min.js"></script>
			
 
				+        <script src="radiomanifest.js"></script>
			
 
				+        <script src="ui.js"></script>
			
 
				+    </body>
			
 
				+</html>
			
--- a/libs/ical.min.js
+++ b/libs/ical.min.js
--- a/radiomanifest.js
+++ b/radiomanifest.js
@@ -0,0 +1,121 @@
 
				+function getStreaminfoUrl(siteurl) {
			
 
				+    return siteurl + '/streaminfo.json'; // XXX: improve this logic
			
 
				+}
			
 
				+function getManifestUrl(siteurl) {
			
 
				+    return siteurl + '/radiomanifest.xml'; // XXX: improve this logic
			
 
				+}
			
 
				+function parseRadioManifest(xml) {
			
 
				+    var res = xml.evaluate('/radio-manifest/streaming/source', xml)
			
 
				+    var sources = []
			
 
				+    while(true) {
			
 
				+        var src = res.iterateNext()
			
 
				+        if(src === null) break;
			
 
				+        if(!src.hasAttribute("priority")) {
			
 
				+            src.setAttribute("priority", "0")
			
 
				+        } else if(parseInt(src.getAttribute("priority"), 10) < 0) {
			
 
				+            continue;
			
 
				+        }
			
 
				+        sources.push(src)
			
 
				+    }
			
 
				+    sources.sort(function cmp(a,b) {
			
 
				+        return parseInt(a.getAttribute("priority", 10)) < parseInt(b.getAttribute("priority", 10));
			
 
				+    })
			
 
				+
			
 
				+    res = xml.evaluate('/radio-manifest/schedule', xml)
			
 
				+    var scheduleEl = res.iterateNext()
			
 
				+    var schedule = null
			
 
				+    if(scheduleEl !== null) {
			
 
				+        schedule = scheduleEl.getAttribute("url")
			
 
				+    }
			
 
				+
			
 
				+    res = xml.evaluate('/radio-manifest/shows', xml)
			
 
				+    var showsEl = res.iterateNext()
			
 
				+    var shows = null
			
 
				+    if(showsEl !== null) {
			
 
				+        shows = showsEl.getAttribute("src")
			
 
				+    }
			
 
				+
			
 
				+    var manifest = new Radio(sources, schedule, shows)
			
 
				+    return manifest
			
 
				+}
			
 
				+
			
 
				+function Radio(sources, schedule, shows) {
			
 
				+    this.streaming = new RadioStreaming(sources)
			
 
				+    this.schedule = schedule
			
 
				+    this.shows = shows
			
 
				+    this.name = ""
			
 
				+}
			
 
				+
			
 
				+Radio.prototype.getStreaming = function() {
			
 
				+    return this.streaming
			
 
				+}
			
 
				+
			
 
				+Radio.prototype.setName = function(name) {
			
 
				+    this.name = name
			
 
				+}
			
 
				+
			
 
				+function RadioStreaming(sources) {
			
 
				+    this.sources = sources
			
 
				+}
			
 
				+
			
 
				+RadioStreaming.prototype.getOptions = function() {
			
 
				+    return this.sources.map(function(x) {
			
 
				+        return x.getAttribute('name')
			
 
				+    })
			
 
				+}
			
 
				+RadioStreaming.prototype.getSource = function (name) {
			
 
				+    if(name === undefined) {
			
 
				+
			
 
				+    }
			
 
				+    var s = this.sources.find(function(x) {
			
 
				+        return x.getAttribute('name') === name
			
 
				+    })
			
 
				+    if(s === undefined) return s
			
 
				+    return s.getAttribute('src')
			
 
				+}
			
 
				+
			
 
				+async function get(siteurl, options) {
			
 
				+    let resp = await fetch(getManifestUrl(siteurl));
			
 
				+    let text = await resp.text()
			
 
				+
			
 
				+    var parser = new DOMParser();
			
 
				+    var dom = parser.parseFromString(text, 'text/xml')
			
 
				+    var manifest = parseRadioManifest(dom)
			
 
				+
			
 
				+    resp = null
			
 
				+    try {
			
 
				+        resp = await fetch(getStreaminfoUrl(siteurl));
			
 
				+        text = await resp.text()
			
 
				+
			
 
				+        var data = JSON.parse(text)
			
 
				+        var name = data["icy-name"]
			
 
				+        if(name !== undefined) {
			
 
				+            manifest.setName(name)
			
 
				+        }
			
 
				+    } catch (e) {
			
 
				+        if(e instanceof TypeError && e.message.startsWith('NetworkError')) {
			
 
				+            // the fetch has failed
			
 
				+            true
			
 
				+        } else if(e instanceof SyntaxError && e.message.startsWith('JSON.parse')) {
			
 
				+            true
			
 
				+        }
			
 
				+        else {
			
 
				+            console.error('Error', e)
			
 
				+            throw e
			
 
				+        }
			
 
				+    }
			
 
				+
			
 
				+    // XXX: in base alle options fai fetch anche di altra roba
			
 
				+    return manifest
			
 
				+}
			
 
				+
			
 
				+function parseM3U(body) {
			
 
				+    body.split("\n").filter((e) => {
			
 
				+        if(e.startsWith("#")) {
			
 
				+            return false
			
 
				+        } else {
			
 
				+            try { new URL(e); return true }
			
 
				+            catch {return false}
			
 
				+        }
			
 
				+    })
			
 
				+}
			
--- a/ui.js
+++ b/ui.js
@@ -0,0 +1,10 @@
 
				+async function fai() {
			
 
				+    var radio = await get("https://www.ondarossa.info/")
			
 
				+    // var radio = await get("https://boyska.degenerazione.xyz/radiomanifest/examples/empty/")
			
 
				+    console.log('radio?', radio)
			
 
				+    var s = radio.getStreaming()
			
 
				+    console.log(s.getOptions())
			
 
				+    console.log(s.getSource(s.getOptions()[0]))
			
 
				+}
			
 
				+
			
 
				+fai()