static int FindPrevWordStart(TextEditor editor, int offset)
{
while (--offset >= 0)
{
var c = editor.GetCharAt(offset);
//Only legal characters in template Shortcut
//LetterOrDigit make sense
//in theory we should probably just support LetterOrDigit and _
if (!char.IsLetterOrDigit(c))
{
//_ to allow underscore naming convention
//# is because there are #if templates
//~ because disctructor template
//@ some Razor templates start with @
if (c == '_' || c == '#' || c == '~' || c == '@')
{
continue;
}
// '-' because CSS property names templates include them
if (c == '-' && DesktopService.GetMimeTypeIsSubtype(editor.MimeType, "text/x-css"))
{
continue;
}
break;
}
}
return(++offset);
}
public static IEnumerable <CodeTemplate> GetCodeTemplates(string mimeType)
{
var savedTemplates = templates;
if (savedTemplates == null || string.IsNullOrEmpty(mimeType))
{
return(new CodeTemplate [0]);
}
return(savedTemplates.ToArray().Where(t => t != null && DesktopService.GetMimeTypeIsSubtype(mimeType, t.MimeType)));
}
static int DeleteTemplateShortcutBeforeCaret(TextEditor editor)
{
int offset = editor.CaretOffset;
int start = FindPrevWordStart(editor, offset);
// HTML snippets include the opening '<', so ensure that we remove the old one if present
if (start > 0 && '<' == editor.GetCharAt(start - 1) && DesktopService.GetMimeTypeIsSubtype(editor.MimeType, "text/x-html"))
{
start -= 1;
}
editor.RemoveText(start, offset - start);
return(start);
}
public static IEnumerable <CodeTemplate> GetCodeTemplates(string mimeType)
{
var savedTemplates = templates;
if (savedTemplates == null || string.IsNullOrEmpty(mimeType))
{
return(new CodeTemplate [0]);
}
return(savedTemplates.ToArray().Where(delegate(CodeTemplate t) {
try {
return t != null && DesktopService.GetMimeTypeIsSubtype(mimeType, t.MimeType);
} catch (Exception) {
// required for some unit tests
return t != null && mimeType == t.MimeType;
}
}));
}
public bool Supports(string fileName)
{
if (fileExtensions != null && fileExtensions.Length > 0)
{
string ext = System.IO.Path.GetExtension(fileName);
return(fileExtensions.Any(fe => string.Compare(fe, ext, StringComparison.OrdinalIgnoreCase) == 0));
}
if (mimeTypes != null && mimeTypes.Length > 0)
{
string mt = DesktopService.GetMimeTypeForUri(fileName);
foreach (string t in mimeTypes)
{
if (DesktopService.GetMimeTypeIsSubtype(mt, t))
{
return(true);
}
}
return(false);
}
// No constraints on the file
return(true);
}
public bool Supports(string fileName)
{
if (fileExtensions != null && fileExtensions.Length > 0)
{
string ext = System.IO.Path.GetExtension(fileName);
return(((IList)fileExtensions).Contains(ext));
}
if (mimeTypes != null && mimeTypes.Length > 0)
{
string mt = DesktopService.GetMimeTypeForUri(fileName);
foreach (string t in mimeTypes)
{
if (DesktopService.GetMimeTypeIsSubtype(mt, t))
{
return(true);
}
}
return(false);
}
// No constraints on the file
return(true);
}
public override bool Evaluate(NodeElement conditionNode)
{
if (fileName == null)
{
return(false);
}
string[] fileExtensions = conditionNode.GetAttribute("fileExtensions").Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
string[] mimeTypes = conditionNode.GetAttribute("mimeTypes").Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
string[] names = conditionNode.GetAttribute("name").Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
if (fileExtensions.Length > 0)
{
string ext = System.IO.Path.GetExtension(fileName);
if (fileExtensions.Any(fe => string.Compare(fe, ext, StringComparison.OrdinalIgnoreCase) == 0))
{
return(true);
}
}
if (mimeTypes.Length > 0)
{
if (mimeTypes.Any(t => DesktopService.GetMimeTypeIsSubtype(mimeType, t)))
{
return(true);
}
}
if (names.Length > 0)
{
string name = System.IO.Path.GetFileName(fileName);
if (names.Any(fn => string.Compare(fn, name, StringComparison.OrdinalIgnoreCase) == 0))
{
return(true);
}
}
return(false);
}
public virtual bool CanHandle(TextEditor editor)
{
return(DesktopService.GetMimeTypeIsSubtype(editor.MimeType, MimeType));
}
public bool CanFormat(string mimeType)
{
return(DesktopService.GetMimeTypeIsSubtype(mimeType, "application/xml"));
}
