//remember to call focus outside of this method since it can no longer be called from the form here.
public static void AddTag(string tagStart, string tagClose, ODcodeBox codeBox)
{
int tempStart = codeBox.SelectionStart;
int tempLength = codeBox.SelectionLength;
string s = tagStart + codeBox.SelectedText + tagClose;
codeBox.SelectedText = s;
//textContentEmail.Focus();
if (tempLength == 0) //nothing selected, place cursor in middle of new tags
{
codeBox.SelectionStart = tempStart + tagStart.Length + tempLength;
}
else
{
codeBox.SelectionStart = tempStart + s.Length;
codeBox.SelectionLength = 0;
}
}
///<summary>Validates content, and keywords. isForSaving can be false if just validating for refresh.</summary>
public static bool ValidateMarkup(ODcodeBox textContent, bool isForSaving, bool showMsgBox = true, bool isEmail = false)
{
MatchCollection matches;
//xml validation----------------------------------------------------------------------------------------------------
string s = textContent.Text;
//"<",">", 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();
StringReader reader = new StringReader(s);
try {
doc.Load(reader);
}
catch (Exception ex) {
if (showMsgBox)
{
MessageBox.Show(ex.Message);
}
return(false);
}
try{
//we do it this way to skip checking the main node itself since it's a dummy node.
if (!isEmail) //We are allowing any XHTML markup in emails.
{
MarkupEdit.ValidateNodes(doc.DocumentElement.ChildNodes);
}
}
catch (Exception ex) {
if (showMsgBox)
{
MessageBox.Show(ex.Message);
}
return(false);
}
//Cannot have CR within tag definition---------------------------------------------------------------------------------
//(?<!&) means only match strings that do not start with an '&'. This is so we can continue to use '&' as an escape character for '<'.
//<.*?> means anything as short as possible that is contained inside a tag
MatchCollection tagMatches = Regex.Matches(textContent.Text, "(?<!&)<.*?>", RegexOptions.Singleline);
for (int i = 0; i < tagMatches.Count; i++)
{
if (tagMatches[i].ToString().Contains("\n"))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + textContent.GetLineFromCharIndex(tagMatches[i].Index) + " - "
+ Lans.g(_lanThis, "Tag definitions cannot contain a return line:") + " " + tagMatches[i].Value.Replace("\n", ""));
}
return(false);
}
}
//wiki image validation-----------------------------------------------------------------------------------------------------
if (!isEmail)
{
string wikiImagePath = "";
try {
wikiImagePath = WikiPages.GetWikiPath(); //this also creates folder if it's missing.
}
catch (Exception ex) {
ex.DoNothing();
//do nothing, the wikiImagePath is only important if the user adds an image to the wiki page and is checked below
}
matches = Regex.Matches(textContent.Text, @"\[\[(img:).*?\]\]"); // [[img:myimage.jpg]]
if (matches.Count > 0 && PrefC.AtoZfolderUsed == DataStorageType.InDatabase)
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + textContent.GetLineFromCharIndex(matches[0].Index) + " - "
+ Lans.g(_lanThis, "Cannot use images in wiki if storing images in database."));
}
return(false);
}
if (isForSaving)
{
for (int i = 0; i < matches.Count; i++)
{
string imgPath = FileAtoZ.CombinePaths(wikiImagePath, matches[i].Value.Substring(6).Trim(']'));
if (!FileAtoZ.Exists(imgPath))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + textContent.GetLineFromCharIndex(matches[i].Index) + " - "
+ Lans.g(_lanThis, "Not allowed to save because image does not exist:") + " " + imgPath);
}
return(false);
}
}
}
}
//Email image validation----------------------------------------------------------------------------------------------
if (isEmail)
{
string emailImagePath = "";
try {
emailImagePath = ImageStore.GetEmailImagePath();
}
catch (Exception ex) {
ex.DoNothing();
}
matches = Regex.Matches(textContent.Text, @"\[\[(img:).*?\]\]");
if (isForSaving)
{
for (int i = 0; i < matches.Count; i++)
{
string imgPath = FileAtoZ.CombinePaths(emailImagePath, matches[i].Value.Substring(6).Trim(']'));
if (!FileAtoZ.Exists(imgPath))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + textContent.GetLineFromCharIndex(matches[i].Index) + " - "
+ Lans.g(_lanThis, "Not allowed to save because image does not exist: ") + " " + imgPath);
}
}
}
}
}
//List validation-----------------------------------------------------------------------------------------------------
matches = Regex.Matches(textContent.Text, @"\[\[(list:).*?\]\]"); // [[list:CustomList]]
foreach (Match match in matches)
{
if (!WikiLists.CheckExists(match.Value.Substring(7).Trim(']')))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + textContent.GetLineFromCharIndex(match.Index) + " - "
+ Lans.g(_lanThis, "Wiki list does not exist in database:") + " " + match.Value.Substring(7).Trim(']'));
}
return(false);
}
}
//spacing around bullets-----------------------------------------------------------------------------------------------
string[] lines = textContent.Text.Split(new string[] { "\n" }, StringSplitOptions.None);
for (int i = 0; i < lines.Length; i++)
{
if (lines[i].Trim().StartsWith("*"))
{
if (!lines[i].StartsWith("*"))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + (i + 1) + " - "
+ Lans.g(_lanThis, "Stars used for lists may not have a space before them."));
}
return(false);
}
if (lines[i].Trim().StartsWith("* "))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + (i + 1) + " - "
+ Lans.g(_lanThis, "Stars used for lists may not have a space after them."));
}
return(false);
}
}
if (lines[i].Trim().StartsWith("#"))
{
if (!lines[i].StartsWith("#"))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + (i + 1) + " - "
+ Lans.g(_lanThis, "Hashes used for lists may not have a space before them."));
}
return(false);
}
if (lines[i].Trim().StartsWith("# "))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + (i + 1) + " - "
+ Lans.g(_lanThis, "Hashes used for lists may not have a space after them."));
}
return(false);
}
}
}
//Invalid characters inside of various tags--------------------------------------------
matches = Regex.Matches(textContent.Text, @"\[\[.*?\]\]");
foreach (Match match in matches)
{
if (match.Value.Contains("\"") && !match.Value.StartsWith("[[color:") && !match.Value.StartsWith("[[font:")) //allow colored text to have quotes.
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + textContent.GetLineFromCharIndex(match.Index) + " - "
+ Lans.g(_lanThis, "Link cannot contain double quotes:") + " " + match.Value);
}
return(false);
}
//This is not needed because our regex doesn't even catch them if the span a line break. It's just interpreted as plain text.
//if(match.Value.Contains("\r") || match.Value.Contains("\n")) {
// MessageBox.Show(Lan.g(this,"Link cannot contain carriage returns: ")+match.Value);
// return false;
//}
if (match.Value.StartsWith("[[img:") ||
match.Value.StartsWith("[[keywords:") ||
match.Value.StartsWith("[[file:") ||
match.Value.StartsWith("[[folder:") ||
match.Value.StartsWith("[[list:") ||
match.Value.StartsWith("[[color:") ||
match.Value.StartsWith("[[font:"))
{
//other tags
}
else
{
if (match.Value.Contains("|"))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + textContent.GetLineFromCharIndex(match.Index) + " - "
+ Lans.g(_lanThis, "Internal link cannot contain a pipe character:") + " " + match.Value);
}
return(false);
}
}
}
//Table markup rigorously formatted----------------------------------------------------------------------
//{|
//!Width="100"|Column Heading 1!!Width="150"|Column Heading 2!!Width="75"|Column Heading 3
//|-
//|Cell 1||Cell 2||Cell 3
//|-
//|Cell A||Cell B||Cell C
//|}
//Although rarely needed, it might still come in handy in certain cases, like paste, or when user doesn't add the |} until later, and other hacks.
matches = Regex.Matches(s, @"\{\|\n.+?\n\|\}", RegexOptions.Singleline);
//matches = Regex.Matches(textContent.Text,
// @"(?<=(?:\n|<body>))" //Checks for preceding newline or beggining of file
// +@"\{\|.+?\n\|\}" //Matches the table markup.
// +@"(?=(?:\n|</body>))" //Checks for following newline or end of file
// ,RegexOptions.Singleline);
foreach (Match match in matches)
{
lines = match.Value.Split(new string[] { "{|\n", "\n|-\n", "\n|}" }, StringSplitOptions.RemoveEmptyEntries);
if (!lines[0].StartsWith("!"))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + textContent.GetLineFromCharIndex(match.Index) + " - "
+ Lans.g(_lanThis, "The second line of a table markup section must start with ! to indicate column headers."));
}
return(false);
}
if (lines[0].StartsWith("! "))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + textContent.GetLineFromCharIndex(match.Index) + " - "
+ Lans.g(_lanThis, "In the table, at line 2, there cannot be a space after the first !"));
}
return(false);
}
string[] cells = lines[0].Substring(1).Split(new string[] { "!!" }, StringSplitOptions.None); //this also strips off the leading !
for (int c = 0; c < cells.Length; c++)
{
if (!Regex.IsMatch(cells[c], @"^(Width="")\d+""\|")) //e.g. Width="90"|
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Error at line:") + " " + textContent.GetLineFromCharIndex(match.Index) + " - "
+ Lans.g(_lanThis, "In the table markup, each header must be formatted like this: Width=\"#\"|..."));
}
return(false);
}
}
for (int i = 1; i < lines.Length; i++) //loop through the lines after the header
{
if (!lines[i].StartsWith("|"))
{
if (showMsgBox)
{
MessageBox.Show(Lans.g(_lanThis, "Table rows must start with |. At line ") + (i + 1).ToString() + Lans.g(_lanThis, ", this was found instead:")
+ lines[i]);
}
return(false);
}
}
}
return(true);
}