Function parsePage

Picviewer CE+/dist.user.js:25501–25555

* @param q 图片的选择器或函数 * @param c 图片说明的选择器或函数

(url, q, c, post, cb, headers, after)

            * @param  c  图片说明的选择器或函数
            */
            function parsePage(url, q, c, post, cb, headers, after) {
                downloadPage(url, post, headers, async function(html) {
                    var iurl, iurls = [], cap, caps, doc = createDoc(html);

                    if(typeof q == 'function') {
                        iurl = await q(html, doc, url + (post ? `#p{${post}}` : ""), xhr, GM_fetch);
                        if (iurl) {
                            if(iurl.url) {
                                cap = iurl.cap;
                                iurl = iurl.url;
                            }
                            if (Array.isArray(iurl)) {
                                iurl = iurl.map(u => after(u));
                                iurls = iurl;
                                iurl = iurls[0];
                            } else iurl = after(iurl);
                        }
                    } else {
                        var inodes = findNodes(q, doc);
                        inodes.forEach(function(node) {
                            iurls.push(after(findFile(node, url)));
                        });
                        iurl = iurls[0];
                    }

                    if (c) {
                        if(typeof c == 'function') {
                            cap = await c(html, doc, url, xhr);
                        } else {
                            var cnodes = findNodes(c, doc);
                            cap = cnodes.length ? findCaption(cnodes[0]) : false;
                        }
                        if (Array.isArray(cap)) {
                            caps = cap;
                            cap = caps[0];
                        }
                    }

                    // 缓存
                    if (iurl) {
                        let cacheData = {
                            iurl: iurl,
                            iurls: iurls,
                            cap: cap,
                            caps: caps
                        };
                        caches[url + (post || "")] = cacheData;
                        if (cacheNum) {
                            storage.setListItem("xhrCache", url + (post || ""), cacheData, cacheNum);
                        }
                    }

                    cb(iurl, iurls, cap, caps);
                });
            }

            async function downloadPage(url, post, headers, cb) {
                var opts = {