/*///<summary>Update may be implemented when versioning is improved.</summary>
* public static void Update(WikiPage wikiPage){
* Insert(wikiPage);
* //if(RemotingClient.RemotingRole==RemotingRole.ClientWeb){
* // Meth.GetVoid(MethodBase.GetCurrentMethod(),wikiPage);
* // return;
* //}
* //Crud.WikiPageCrud.Update(wikiPage);
* }*/
///<summary>Surround with try/catch. Typically returns something similar to \\SERVER\OpenDentImages\Wiki</summary>
public static string GetWikiPath()
{
//No need to check RemotingRole; no call to db.
string wikiPath;
if (PrefC.AtoZfolderUsed == DataStorageType.InDatabase)
{
throw new ApplicationException(Lans.g("WikiPages", "Must be using AtoZ folders."));
}
wikiPath = CloudStorage.PathTidy(Path.Combine(ImageStore.GetPreferredAtoZpath(), "Wiki"));
if (PrefC.AtoZfolderUsed == DataStorageType.LocalAtoZ && !Directory.Exists(wikiPath))
{
Directory.CreateDirectory(wikiPath);
}
return(wikiPath);
}
///<summary>Surround with try/catch. Also aggregates the content into the master page (unless specified to not).
///If isPreviewOnly, then the internal links will not be checked to see if the page exists, as it would make the refresh sluggish.
///And isPreviewOnly also changes the pointer so that the page looks non-clickable.
///For emails, this only gets called while in the email edit window. The returned string will be used to switch between plain and html text.
///</summary>
public static string TranslateToXhtml(string markupText, bool isPreviewOnly, bool hasWikiPageTitles = false, bool isEmail = false, bool canAggregate = true)
{
//No need to check RemotingRole; no call to db.
#region Basic Xml Validation
string s = markupText;
MatchCollection matches;
//"<",">", and "&"-----------------------------------------------------------------------------------------------------------
s = s.Replace("&", "&");
s = s.Replace("&<", "<"); //because "&" was changed to "&" in the line above.
s = s.Replace("&>", ">"); //because "&" was changed to "&" in the line above.
s = "<body>" + s + "</body>";
XmlDocument doc = new XmlDocument();
using (StringReader reader = new StringReader(s)) {
doc.Load(reader);
}
#endregion
#region regex replacements
if (isEmail)
{
s = TranslateEmailImages(s); //handle email images and wiki images separately.
}
else
{
//[[img:myimage.gif]]------------------------------------------------------------------------------------------------------------
matches = Regex.Matches(s, _odWikiImage);
foreach (Match match in matches)
{
string imgName = match.Value.Substring(match.Value.IndexOf(":") + 1).TrimEnd("]".ToCharArray());
string wikiPath = "";
try {
wikiPath = WikiPages.GetWikiPath();
}
catch (Exception ex) {
ex.DoNothing();
throw;
}
string fullPath = FileAtoZ.CombinePaths(wikiPath, POut.String(imgName));
if (CloudStorage.IsCloudStorage)
{
//WebBrowser needs to have a local file to open, so we download the images to temp files.
OpenDentalCloud.Core.TaskStateDownload state = CloudStorage.Download(Path.GetDirectoryName(fullPath), Path.GetFileName(fullPath));
string tempFile = PrefC.GetRandomTempFile(Path.GetExtension(fullPath));
File.WriteAllBytes(tempFile, state.FileContent);
fullPath = tempFile;
}
s = s.Replace(match.Value, "<img src=\"file:///" + fullPath.Replace("\\", "/") + "\"></img>");
}
//[[keywords: key1, key2, etc.]]------------------------------------------------------------------------------------------------
matches = Regex.Matches(s, _odWikiKeyword);
foreach (Match match in matches) //should be only one
{
s = s.Replace(match.Value, "<span class=\"keywords\">keywords:" + match.Value.Substring(11).TrimEnd("]".ToCharArray()) + "</span>");
}
//[[file:C:\eaula.txt]]------------------------------------------------------------------------------------------------
matches = Regex.Matches(s, _odWikiFile);
foreach (Match match in matches)
{
string fileName = match.Value.Replace("[[file:", "").TrimEnd(']');
s = s.Replace(match.Value, "<a href=\"wikifile:" + fileName + "\">file:" + fileName + "</a>");
}
//[[folder:\\serverfiles\storage\]]------------------------------------------------------------------------------------------------
matches = Regex.Matches(s, _odWikiFolder);
foreach (Match match in matches)
{
string folderName = match.Value.Replace("[[folder:", "").TrimEnd(']');
s = s.Replace(match.Value, "<a href=\"folder:" + folderName + "\">folder:" + folderName + "</a>");
}
//[[filecloud:AtoZ/SheetImages/happyclown.jpg]]------------------------------------------------------------------------------------------------
matches = Regex.Matches(s, _odWikiFilecloud);
foreach (Match match in matches)
{
string fileName = CloudStorage.PathTidy(match.Value.Replace("[[filecloud:", "").TrimEnd(']'));
s = s.Replace(match.Value, "<a href=\"wikifilecloud:" + fileName + "\">filecloud:" + fileName + "</a>");
}
//[[foldercloud:AtoZ/PenguinPictures/]]------------------------------------------------------------------------------------------------
matches = Regex.Matches(s, _odWikiFoldercloud);
foreach (Match match in matches)
{
string folderName = CloudStorage.PathTidy(match.Value.Replace("[[foldercloud:", "").TrimEnd(']'));
s = s.Replace(match.Value, "<a href=\"foldercloud:" + folderName + "\">foldercloud:" + folderName + "</a>");
}
}
//Color and text are for both wiki and email. It's important we do this before Internal Link or else the translation may not work.
//[[color:red|text]]----------------------------------------------------------------------------------------------------------------
matches = Regex.Matches(s, _odWikiColor); //.*? matches as few as possible.
foreach (Match match in matches)
{
//string[] paragraphs = match.Value.Split(new string[] { "\n" },StringSplitOptions.None);
string tempText = "<span style=\"color:";
string[] tokens = match.Value.Split('|');
if (tokens.Length < 2) //not enough tokens
{
continue;
}
if (tokens[0].Split(':').Length != 2) //Must have a color token and a color value seperated by a colon, no more no less.
{
continue;
}
for (int i = 0; i < tokens.Length; i++)
{
if (i == 0)
{
tempText += tokens[0].Split(':')[1] + ";\">"; //close <span> tag
continue;
}
tempText += (i > 1?"|":"") + tokens[i];
}
tempText = tempText.TrimEnd(']');
tempText += "</span>";
s = s.Replace(match.Value, tempText);
}
//[[font-family:courier|text]]----------------------------------------------------------------------------------------------------------------
matches = Regex.Matches(s, _odWikiFont); //.*? matches as few as possible.
foreach (Match match in matches)
{
//string[] paragraphs = match.Value.Split(new string[] { "\n" },StringSplitOptions.None);
string tempText = "<span style=\"font-family:";
string[] tokens = match.Value.Split('|');
if (tokens.Length < 2) //not enough tokens
{
continue;
}
if (tokens[0].Split(':').Length != 2) //Must have a color token and a color value seperated by a colon, no more no less.
{
continue;
}
for (int i = 0; i < tokens.Length; i++)
{
if (i == 0)
{
tempText += tokens[0].Split(':')[1] + ";\">"; //close <span> tag
continue;
}
tempText += (i > 1?"|":"") + tokens[i];
}
tempText = tempText.TrimEnd(']');
tempText += "</span>";
s = s.Replace(match.Value, tempText);
}
if (!isEmail)
{
//[[InternalLink]]--------------------------------------------------------------------------------------------------------------
matches = Regex.Matches(s, @"\[\[.+?\]\]");
List <string> pageNamesToCheck = new List <string>();
List <bool> pageNamesExist = new List <bool>();
string styleNotExists = "";
if (hasWikiPageTitles)
{
if (!isPreviewOnly)
{
foreach (Match match in matches)
{
//The '&' was replaced with '&' above, so we change it back before looking for a wiki page with that name.
pageNamesToCheck.Add(match.Value.Trim('[', ']').Replace("&", "&"));
}
if (pageNamesToCheck.Count > 0)
{
pageNamesExist = WikiPages.CheckPageNamesExist(pageNamesToCheck); //this gets a list of bools for all pagenames in one shot. One query.
}
}
foreach (Match match in matches)
{
styleNotExists = "";
if (!isPreviewOnly)
{
//The '&' was replaced with '&' above, so we change it back before looking for a wiki page with that name.
string pageName = match.Value.Trim('[', ']').Replace("&", "&");
int idx = pageNamesToCheck.IndexOf(pageName);
if (!pageNamesExist[idx])
{
styleNotExists = "class='PageNotExists' ";
}
}
s = s.Replace(match.Value, "<a " + styleNotExists + "href=\"" + "wiki:" + match.Value.Trim('[', ']') /*.Replace(" ","_")*/
+ "\">" + match.Value.Trim('[', ']') + "</a>");
}
}
else
{
List <long> listWikiPageNums = WikiPages.GetWikiPageNumsFromPageContent(s);
List <WikiPage> listWikiPages = WikiPages.GetWikiPages(listWikiPageNums);
int numInvalid = 1;
foreach (Match match in matches)
{
WikiPage wp = listWikiPages.FirstOrDefault(x => x.WikiPageNum == PIn.Long(match.Value.TrimStart('[').TrimEnd(']')));
string pageName;
if (wp != null)
{
pageName = wp.PageTitle;
}
else
{
pageName = "INVALID WIKIPAGE LINK " + numInvalid++;
}
if (!isPreviewOnly)
{
styleNotExists = "";
if (wp == null)
{
styleNotExists = "class='PageNotExists' ";
}
}
pageName = pageName.Replace("&", "&").Replace("&<", "<").Replace("&>", ">");
string replace = "<a " + styleNotExists + "href=\"" + "wiki:" + pageName /*.Replace(" ","_")*/ + "\">" + pageName + "</a>";
Regex regex = new Regex(Regex.Escape(match.Value));
//Replace the first instance of the match with the wiki page name (or unknown if not found).
s = regex.Replace(s, replace, 1);
}
}
}
//Unordered List----------------------------------------------------------------------------------------------------------------
//Instead of using a regex, this will hunt through the rows in sequence.
//later nesting by running ***, then **, then *
s = ProcessList(s, "*");
//numbered list---------------------------------------------------------------------------------------------------------------------
s = ProcessList(s, "#");
//table-------------------------------------------------------------------------------------------------------------------------
//{|
//!Width="100"|Column Heading 1!!Width="150"|Column Heading 2!!Width=""|Column Heading 3
//|-
//|Cell 1||Cell 2||Cell 3
//|-
//|Cell A||Cell B||Cell C
//|}
//There are many ways to parse this. Our strategy is to do it in a way that the generated xml is never invalid.
//As the user types, the above example will frequently be in a state of partial completeness, and the parsing should gracefully continue anyway.
//rigorous enforcement only happens when validating during a save, not here.
matches = Regex.Matches(s, _odWikiTable, RegexOptions.Singleline);
foreach (Match match in matches)
{
//If there isn't a new line before the start of the table markup or after the end, the match group value will be an empty string
//Tables must start with "'newline'{|" and end with "|}'newline'"
string tableStrOrig = match.Value;
StringBuilder strbTable = new StringBuilder();
string[] lines = tableStrOrig.Split(new string[] { "{|\n", "\n|-\n", "\n|}" }, StringSplitOptions.RemoveEmptyEntries);
strbTable.AppendLine("<table>");
List <string> colWidths = new List <string>();
for (int i = 0; i < lines.Length; i++)
{
if (lines[i].StartsWith("!")) //header
{
strbTable.AppendLine("<tr>");
lines[i] = lines[i].Substring(1); //strips off the leading !
string[] cells = lines[i].Split(new string[] { "!!" }, StringSplitOptions.None);
colWidths.Clear();
for (int c = 0; c < cells.Length; c++)
{
if (Regex.IsMatch(cells[c], @"(Width="")\d+""\|")) //e.g. Width="90"|
{
strbTable.Append("<th ");
string width = cells[c].Substring(7); //90"|Column Heading 1
width = width.Substring(0, width.IndexOf("\"")); //90
colWidths.Add(width);
strbTable.Append("Width=\"" + width + "\">");
strbTable.Append(ProcessParagraph(cells[c].Substring(cells[c].IndexOf("|") + 1), false)); //surround with p tags. Allow CR in header.
strbTable.AppendLine("</th>");
}
else
{
strbTable.Append("<th>");
strbTable.Append(ProcessParagraph(cells[c], false)); //surround with p tags. Allow CR in header.
strbTable.AppendLine("</th>");
}
}
strbTable.AppendLine("</tr>");
}
else if (lines[i].Trim() == "|-")
{
//totally ignore these rows
}
else //normal row
{
strbTable.AppendLine("<tr>");
lines[i] = lines[i].Substring(1); //strips off the leading |
string[] cells = lines[i].Split(new string[] { "||" }, StringSplitOptions.None);
for (int c = 0; c < cells.Length; c++)
{
strbTable.Append("<td Width=\"" + colWidths[c] + "\">");
strbTable.Append(ProcessParagraph(cells[c], false));
strbTable.AppendLine("</td>");
}
strbTable.AppendLine("</tr>");
}
}
strbTable.Append("</table>");
s = s.Replace(tableStrOrig, strbTable.ToString());
}
#endregion regex replacements
#region paragraph grouping
StringBuilder strbSnew = new StringBuilder();
//a paragraph is defined as all text between sibling tags, even if just a \n.
int iScanInParagraph = 0; //scan starting at the beginning of s. S gets chopped from the start each time we grab a paragraph or a sibiling element.
//The scanning position represents the verified paragraph content, and does not advance beyond that.
//move <body> tag over.
strbSnew.Append("<body>");
s = s.Substring(6);
bool startsWithCR = false; //todo: handle one leading CR if there is no text preceding it.
if (s.StartsWith("\n"))
{
startsWithCR = true;
}
string tagName;
Match tagCurMatch;
while (true) //loop to either construct a paragraph, or to immediately add the next tag to strbSnew.
{
iScanInParagraph = s.IndexOf("<", iScanInParagraph); //Advance the scanner to the start of the next tag
if (iScanInParagraph == -1) //there aren't any more tags, so current paragraph goes to end of string. This won't happen
{
throw new ApplicationException(Lans.g("WikiPages", "No tags found."));
//strbSnew.Append(ProcessParagraph(s));
}
if (s.Substring(iScanInParagraph).StartsWith("</body>"))
{
strbSnew.Append(ProcessParagraph(s.Substring(0, iScanInParagraph), startsWithCR));
//startsWithCR=false;
//strbSnew.Append("</body>");
s = "";
iScanInParagraph = 0;
break;
}
tagName = "";
tagCurMatch = Regex.Match(s.Substring(iScanInParagraph), "^<.*?>"); //regMatch);//.*? means any char, zero or more, as few as possible
if (tagCurMatch == null)
{
//shouldn't happen unless closing bracket is missing
throw new ApplicationException(Lans.g("WikiPages", "Unexpected tag:") + " " + s.Substring(iScanInParagraph));
}
if (tagCurMatch.Value.Trim('<', '>').EndsWith("/"))
{
//self terminating tags NOT are allowed
//this should catch all non-allowed self-terminating tags i.e. <br />, <inherits />, etc...
throw new ApplicationException(Lans.g("WikiPages", "All elements must have a beginning and ending tag. Unexpected tag:") + " " + s.Substring(iScanInParagraph));
}
//Nesting of identical tags causes problems:
//<h1><h1>some text</h1></h1>
//The first <h1> will match with the first </h1>.
//We don't have time to support this outlier, so we will catch it in the validator when they save.
//One possible strategy here might be:
//idxNestedDuplicate=s.IndexOf("<"+tagName+">");
//if(idxNestedDuplicate<s.IndexOf("</"+tagName+">"){
//
//}
//Another possible strategy might be to use regular expressions.
tagName = tagCurMatch.Value.Split(new string[] { "<", " ", ">" }, StringSplitOptions.RemoveEmptyEntries)[0]; //works with tags like <i>, <span ...>, and <img .../>
if (s.IndexOf("</" + tagName + ">") == -1) //this will happen if no ending tag.
{
throw new ApplicationException(Lans.g("WikiPages", "No ending tag:") + " " + s.Substring(iScanInParagraph));
}
switch (tagName)
{
case "a":
case "b":
case "div":
case "i":
case "span":
iScanInParagraph = s.IndexOf("</" + tagName + ">", iScanInParagraph) + 3 + tagName.Length;
continue; //continues scanning this paragraph.
case "h1":
case "h2":
case "h3":
case "ol":
case "ul":
case "table":
case "img": //can NOT be self-terminating
if (iScanInParagraph == 0) //s starts with a non-paragraph tag, so there is no partially assembled paragraph to process.
//do nothing
{
}
else //we are already part way into assembling a paragraph.
{
strbSnew.Append(ProcessParagraph(s.Substring(0, iScanInParagraph), startsWithCR));
startsWithCR = false; //subsequent paragraphs will not need this
s = s.Substring(iScanInParagraph); //chop off start of s
iScanInParagraph = 0;
}
//scan to the end of this element
int iScanSibling = s.IndexOf("</" + tagName + ">") + 3 + tagName.Length;
//tags without a closing tag were caught above.
//move the non-paragraph content over to s new.
strbSnew.Append(s.Substring(0, iScanSibling));
s = s.Substring(iScanSibling);
//scanning will start a totally new paragraph
break;
default:
if (isEmail)
{
iScanInParagraph = s.IndexOf("</" + tagName + ">", iScanInParagraph) + 3 + tagName.Length;
continue; //continues scanning this paragraph
}
throw new ApplicationException(Lans.g("WikiPages", "Unexpected tag:") + " " + s.Substring(iScanInParagraph));
}
}
strbSnew.Append("</body>");
#endregion
#region aggregation
doc = new XmlDocument();
using (StringReader reader = new StringReader(strbSnew.ToString())) {
doc.Load(reader);
}
StringBuilder strbOut = new StringBuilder();
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
settings.IndentChars = "\t";
settings.OmitXmlDeclaration = true;
settings.NewLineChars = "\n";
using (XmlWriter writer = XmlWriter.Create(strbOut, settings)) {
doc.WriteTo(writer);
}
//spaces can't be handled prior to this point because crashes the xml parser.
strbOut.Replace(" ", " "); //handle extra spaces.
strbOut.Replace("<td></td>", "<td> </td>"); //force blank table cells to show not collapsed
strbOut.Replace("<th></th>", "<th> </th>"); //and blank table headers
strbOut.Replace("{{nbsp}}", " "); //couldn't add the earlier because
strbOut.Replace("<p></p>", "<p> </p>"); //probably redundant but harmless
//aggregate with master
if (isEmail)
{
if (canAggregate)
{
s = PrefC.GetString(PrefName.EmailMasterTemplate).Replace("@@@body@@@", strbOut.ToString());
return(s);
}
return(strbOut.ToString());
}
else
{
s = WikiPages.MasterPage.PageContent.Replace("@@@body@@@", strbOut.ToString());
}
#endregion aggregation
/*
* //js This code is buggy. It will need very detailed comments and careful review before/if we ever turn it back on.
* if(isPreviewOnly) {
* //do not change cursor from pointer to IBeam to Hand as you move the cursor around the preview page
* s=s.Replace("*{\n\t","*{\n\tcursor:default;\n\t");
* //do not underline links if you hover over them in the preview window
* s=s.Replace("a:hover{\n\ttext-decoration:underline;","a:hover{\n\t");
* }*/
return(s);
}