public static HelpDetails Expressions()
{
HelpDetails details = new HelpDetails();
details.Description = "Allows logical testing against fields and attributes";
details.Usage = "[@field | @@attribute] operator [@field | @@attribute] [as cast] [with flag] [and | or expression]";
details.AddParameter("operator", "How to compare the 2 arguments. Must be one of = (equals), < (less than), > (greater than), != (not equal), <= (less or equal), >= (greater or equal), [ (starts with), ] (ends with), ? (contains), !? (doesn't contain).");
details.AddParameter("cast", "Treat the argument as a specific data type. Must be one of string, number, date.");
details.AddParameter("flag", "Treat the argument in a specific way. Must be one of ignorecase, ignoredecimal, round, ceiling, floor.");
details.AddParameter("expression", "Another expression. The operator (and, or) is used to determine the overall result");
details.Comments = "Expressions are used as arguments to other commands such as find.";
details.AddExample("@title != hello");
details.AddExample("(@__created by) = admin with ignorecase");
details.AddExample("@price >= 70 as number with round and @title = bananas with ignorecase");
details.AddExample("@@key = a or @@key = b or @@key = c");
details.AddExample("@__created = 12/01/2007 as date");
details.AddExample("@@name [ a");
return details;
}
public static HelpDetails UseEnvironmentVariable()
{
HelpDetails details = new HelpDetails();
details.Description = "Allows substitution of environment variables into commands";
details.Usage = "$name$";
details.AddParameter("name", "The name of the environment variable");
details.AddExample("$prevpath$");
details.AddExample("$myvar$");
details.AddExample("echo $prevpath$");
return details;
}
public static HelpDetails SubCommand()
{
HelpDetails details = new HelpDetails();
details.Description = "Allows the evaluation of a command to be used as a parameter of another command";
details.Usage = "< command";
details.AddParameter("command", "The command to evaluate");
details.AddExample("sf title < (gf -f title ../..)");
details.AddExample("find echo < (ga -a key) < (ga -a id)");
details.AddExample("cd < (ga -a templateid)");
return details;
}
public HelpDetails GetScriptHelp(string name)
{
var scriptsItems = FindScriptItems(name);
if (scriptsItems == null)
return null;
if (scriptsItems.Length == 1)
{
var scriptItem = scriptsItems[0];
HelpDetails details = new HelpDetails();
if (scriptItem[Constants.Fields.Description] != string.Empty)
details.Description = scriptItem[Constants.Fields.Description];
if (scriptItem[Constants.Fields.Usage] != string.Empty)
details.Usage = scriptItem[Constants.Fields.Usage];
if (scriptItem[Constants.Fields.Comments] != string.Empty)
details.Comments = scriptItem[Constants.Fields.Comments];
Item[] parameters = scriptItem.Axes.SelectItems("*[@@templatekey='script help parameter']");
if (parameters != null)
{
for (int i = 0; i < parameters.Length; i++)
{
details.AddParameter(parameters[i][Constants.Fields.Name], parameters[i][Constants.Fields.Description]);
}
}
Item[] examples = scriptItem.Axes.SelectItems("*[@@templatekey='script help example']");
if (examples != null)
{
for (int i = 0; i < examples.Length; i++)
{
details.AddExample(examples[i][Constants.Fields.Example]);
}
}
return details;
}
if (scriptsItems.Length > 1)
{
var scriptPaths = from script in scriptsItems
select script.Paths.FullPath;
throw new MultipleScriptsFoundException(scriptPaths);
}
return null;
}
public HelpDetails GetScriptHelp(string name)
{
var scriptSource = GetScript(name);
// Check if the script exists. If not, return null
if (scriptSource == null)
return null;
var helpData = ExtractHelpData(scriptSource);
var details = new HelpDetails();
foreach (var entry in helpData)
{
switch (entry.Key.ToLower())
{
case "comments":
details.Comments += entry.Value;
break;
case "description":
details.Description += entry.Value;
break;
case "example":
details.AddExample(entry.Value);
break;
case "parameter":
var idx = entry.Value.IndexOf(HelpCommentDelimiter);
if (entry.Value.Length > idx)
{
var key = entry.Value.Substring(0, idx);
var desc = entry.Value.Substring(idx + 1);
details.AddParameter(key, desc);
}
break;
case "usage":
details.Usage = entry.Value;
break;
}
}
return details;
}
public static HelpDetails Prompt()
{
HelpDetails details = new HelpDetails();
details.Description = "The prompt is set through the environment variable 'prompt'";
//details.Usage = "[Any characters] [%path%] [%itemname%] [%ver%] [%db%] [%lang%] [%date%] [%time%] >";
details.Usage = "[Any characters] [%path%] [%itemname%] [%ver%] [%db%] [%lang%] [%langcode%] [%date%] [%time%]";
details.AddParameter("%path%", "Provides the full path of the current item");
details.AddParameter("%itemname%", "Provides the name of the current item");
details.AddParameter("%ver%", "Provides the version number of the current item");
details.AddParameter("%db%", "Provides the name of the current database");
details.AddParameter("%lang%", "Provides the title of the current language");
details.AddParameter("%langcode", "Provides the code of the current language");
details.AddParameter("%date%", "Provides the current date");
details.AddParameter("%time%", "Provides the current time");
//details.Comments = "The prompt must end with a right angle bracket '>'";
details.AddExample("%db%:%path% >");
details.AddExample("%date% %lang%|%itemname% >");
return details;
}
private void AddParameterToHelp(HelpDetails details, string name, DescriptionAttribute description, bool optional)
{
details.AddParameter(name, (optional ? "Optional. " : string.Empty) + (description != null ? description.Description : string.Empty));
}
