/// <summary>
/// Delete an exist template.
/// </summary>
/// <param name="templateName">which template should delete.</param>
/// <returns>updated LG file.</returns>
public LGFile DeleteTemplate(string templateName)
{
var template = Templates.FirstOrDefault(u => u.Name == templateName);
if (template != null)
{
var startLine = template.ParseTree.Start.Line - 1;
var stopLine = template.ParseTree.Stop.Line - 1;
var newContent = ReplaceRangeContent(Content, startLine, stopLine, null);
Initialize(LGParser.ParseText(newContent, Id, ImportResolver));
}
return(this);
}
/// <summary>
/// Add a new template and return LG File.
/// </summary>
/// <param name="templateName">new template name.</param>
/// <param name="parameters">new params.</param>
/// <param name="templateBody">new template body.</param>
/// <returns>updated LG file.</returns>
public LGFile AddTemplate(string templateName, List <string> parameters, string templateBody)
{
var template = Templates.FirstOrDefault(u => u.Name == templateName);
if (template != null)
{
throw new Exception(LGErrors.TemplateExist(templateName));
}
var templateNameLine = BuildTemplateNameLine(templateName, parameters);
var newTemplateBody = ConvertTemplateBody(templateBody);
var newContent = $"{Content.TrimEnd()}\r\n\r\n{templateNameLine}\r\n{newTemplateBody}\r\n";
Initialize(LGParser.ParseText(newContent, Id, ImportResolver));
return(this);
}
/// <summary>
/// update an exist template.
/// </summary>
/// <param name="templateName">origin template name. the only id of a template.</param>
/// <param name="newTemplateName">new template Name.</param>
/// <param name="parameters">new params.</param>
/// <param name="templateBody">new template body.</param>
/// <returns>updated LG file.</returns>
public LGFile UpdateTemplate(string templateName, string newTemplateName, List <string> parameters, string templateBody)
{
var template = Templates.FirstOrDefault(u => u.Name == templateName);
if (template != null)
{
var templateNameLine = BuildTemplateNameLine(newTemplateName, parameters);
var newTemplateBody = ConvertTemplateBody(templateBody);
var content = $"{templateNameLine}\r\n{newTemplateBody}\r\n";
var startLine = template.ParseTree.Start.Line - 1;
var stopLine = template.ParseTree.Stop.Line - 1;
var newContent = ReplaceRangeContent(Content, startLine, stopLine, content);
Initialize(LGParser.ParseText(newContent, Id, ImportResolver));
}
return(this);
}