Add wnacg plugin

Author: Ftbom

plugins/wnacg/README.md

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+# wnacg Plugin
+
+This is the Mango plugin for [wnacg](http://www.wnacg.org/). 
+
+Note that
+
+All downloaded galleries will be placed in the `wnacg` folder in your library.
+
+Maintained by [@Ftbom](https://github.com/Ftbom).
+
+Thanks to [@hkalexling](https://github.com/hkalexling)'s E-Hentai plgin.

plugins/wnacg/index.js

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+var pageURL;
+var pageCount = 0;
+var ended = false;
+var digits = 0;
+var firstpageURl;
+var baseURL = 'http://www.wnacg.org';
+
+function listChapters(url) {
+	var html = mango.get(url).body;
+
+	var urlMatch = /aid-([0-9]+)\.html/.exec(url);
+	
+	var chapterID = urlMatch[1];
+
+	var chapterTitleNode = mango.css(html, 'h2')[0];
+
+	if (!chapterTitleNode)
+		mango.raise("Failed to get the title");
+
+	var chapterTitle = mango.text(chapterTitleNode);
+
+	var chapters = [{
+		id: chapterID,
+		title: chapterTitle
+	}];
+	
+	return JSON.stringify({
+		chapters: chapters,
+		title: 'wnacg'
+	});
+}
+
+function selectChapter(id) {
+	var url = baseURL+'/photos-index-aid-' + id + '.html';
+	
+	var html = mango.get(url).body;
+
+	var chapterTitleNode = mango.css(html, 'h2')[0];
+
+	if (!chapterTitleNode)
+		mango.raise("Failed to get the title");
+
+	var chapterTitle = mango.text(chapterTitleNode);
+
+	var pages = 0;
+	try {
+		var lengthRow = mango.css(html, '.asTB div.asTBcell.uwconn')[0];
+		if (!lengthRow)
+			throw new Error
+		var lengthText = mango.text(lengthRow);
+		pages = parseInt(/([0-9]+)/.exec(lengthText)[1]);
+	} catch (e) {
+		mango.raise("Failed to get the page count");
+	}
+
+	var firstPageATag = mango.css(html, 'div.pic_box.tb a:first-child')[0];
+	if (!firstPageATag)
+		mango.raise("Failed to get the URL of the first page");
+
+	pageURL = baseURL + mango.attribute(firstPageATag, 'href');
+	
+	firstpageURL=pageURL;
+
+	ended = false;
+	pageCount = 0;
+	digits = Math.floor(Math.log10(pages)) + 1;
+
+	return JSON.stringify({
+		title: chapterTitle,
+		pages: pages
+	});
+}
+
+function nextPage() {
+	if (ended)
+		return JSON.stringify({});
+
+	pageCount += 1;
+
+	var html = mango.get(pageURL).body;
+
+	var aTag = mango.css(html, '#photo_body a')[0];
+	if (!aTag)
+		mango.raise("Failed to get the URL of the next page");
+
+	var nextPageURL = baseURL + mango.attribute(aTag, 'href');
+
+	if (nextPageURL === firstpageURL)
+		ended = true;
+
+	pageURL = nextPageURL;
+
+	var imgTag = mango.css(aTag, 'img')[0];
+	if (!imgTag)
+		mango.raise("Failed to get the image URL");
+
+	var url = 'http:' + mango.attribute(imgTag, 'src');
+	var filename = pad(pageCount, digits) + '.jpg'
+
+	return JSON.stringify({
+		url: url,
+		filename: filename
+	});
+}
+
+// https://stackoverflow.com/a/10073788
+function pad(n, width, z) {
+	z = z || '0';
+	n = n + '';
+	return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n;
+}

plugins/wnacg/info.json

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+{
+	"id": "wnacg",
+	"title": "wnacg",
+	"author": "Ftbom - [email protected]",
+	"version": "v1.0",
+	"placeholder": "wnacg Gallery URL",
+	"wait_seconds": 3
+}