C# HtmlDom.GetMetaValue方法代码示例

        private static void AddLocalizedHintContentsToDictionary(HtmlDom singlePageHtmlDom, Dictionary<string, string> dictionary, CollectionSettings collectionSettings)
        {
            var nameOfXMatterPack = singlePageHtmlDom.GetMetaValue("xMatter", collectionSettings.XMatterPackName);

            string idPrefix = "";
            var pageElement = singlePageHtmlDom.RawDom.SelectSingleNode("//div") as XmlElement;
            if (XMatterHelper.IsFrontMatterPage(pageElement))
            {
                idPrefix = "FrontMatter." + nameOfXMatterPack + ".";
            }
            else if (XMatterHelper.IsBackMatterPage(pageElement))
            {
                idPrefix = "BackMatter." + nameOfXMatterPack + ".";
            }
            foreach (XmlElement element in singlePageHtmlDom.RawDom.SelectNodes("//*[@data-hint]"))
            {
                //why aren't we just doing: element.SetAttribute("data-hint", translation);  instead of bothering to write out a dictionary?
                //because (especially since we're currently just assuming it is in english), we would later save it with the translation, and then next time try to translate that, and poplute the
                //list of strings that we tell people to translate
                var key = element.GetAttribute("data-hint");
                if (!dictionary.ContainsKey(key))
                {
                    string translation;
                    var id = idPrefix + key;
                    if (key.Contains("{lang}"))
                    {
                        translation = LocalizationManager.GetDynamicString("Bloom", id, key, "Put {lang} in your translation, so it can be replaced by the language name.");
                    }
                    else
                    {
                        translation = LocalizationManager.GetDynamicString("Bloom", id, key);
                    }
                    dictionary.Add(key, translation);
                }
            }
        }

        public static string GetHtmlMessageIfVersionIsIncompatibleWithThisBloom(HtmlDom dom,string path)
        {
            var versionString = dom.GetMetaValue("BloomFormatVersion", "").Trim();
            if (string.IsNullOrEmpty(versionString))
                return "";// "This file lacks the following required element: <meta name='BloomFormatVersion' content='x.y'>";

            float versionFloat = 0;
            if (!float.TryParse(versionString, NumberStyles.Float, CultureInfo.InvariantCulture, out versionFloat))
                return "This file claims a version number that isn't really a number: " + versionString;

            if (versionFloat > float.Parse(kBloomFormatVersion, CultureInfo.InvariantCulture))
            {
                var msg = LocalizationManager.GetString("Errors.NeedNewerVersion",
                    "{0} requires a newer version of Bloom. Download the latest version of Bloom from {1}","{0} will get the name of the book, {1} will give a link to open the Bloom Library Web page.");
                msg = string.Format(msg, path, string.Format("<a href='{0}'>BloomLibrary.org</a>", UrlLookup.LookupUrl(UrlType.LibrarySite)));
                msg += string.Format(". (Format {0} vs. {1})",versionString, kBloomFormatVersion);
                return msg;
            }

            return null;
        }

        private static void FixBookIdAndLineageIfNeeded(HtmlDom bookDOM)
        {
            //at version 0.9.71, we introduced this book lineage for real. At that point almost all books were from Basic book,
            //so let's get further evidence by looking at the page source and then fix the lineage
            if (bookDOM.GetMetaValue("bloomBookLineage", "") == "")
                if (bookDOM.GetMetaValue("pageTemplateSource", "") == "Basic Book")
                {
                    bookDOM.UpdateMetaElement("bloomBookLineage", kIdOfBasicBook);
                }

            //there were a number of books in version 0.9 that just copied the id of the basic book from which they were created
            if (bookDOM.GetMetaValue("bloomBookId", "") == kIdOfBasicBook)
            {
                if (bookDOM.GetMetaValue("title", "") != "Basic Book")
                {
                    bookDOM.UpdateMetaElement("bloomBookId", Guid.NewGuid().ToString());
                }
            }
        }