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namespace GConf.Tools
{
using GConf;
using System;
using System.Xml;
using System.Collections;
using System.IO;
using System.Text;
class SchemaGen
{
private Hashtable keys = new Hashtable ();
private Hashtable classes = new Hashtable ();
static void Die (string error)
{
Console.WriteLine (error);
Environment.Exit (1);
}
void DieInvalid (string filename)
{
Die (filename + " is an invalid schema");
}
void Parse (string filename)
{
XmlDocument doc = new XmlDocument ();
try {
Stream stream = File.OpenRead (filename);
doc.Load (stream);
stream.Close ();
} catch (XmlException e) {
Die ("Could not parse " + filename);
}
XmlElement root = doc.DocumentElement;
if (!(root != null && root.HasChildNodes && root.Name == "gconfschemafile"))
DieInvalid (filename);
foreach (XmlNode slist in root.ChildNodes)
{
if (!(slist != null && slist.Name == "schemalist"))
continue;
foreach (XmlNode schema_node in slist.ChildNodes)
{
XmlElement schema = schema_node as XmlElement;
if (!(schema != null && schema.Name == "schema"))
continue;
XmlElement key = schema["applyto"];
XmlElement type = schema["cstype"];
if (type == null)
type = schema["type"];
if (key == null || type == null)
DieInvalid (filename);
keys.Add (key.InnerText, type.InnerText);
if (type.HasAttribute ("class"))
classes.Add (key.InnerText, type.GetAttribute ("class"));
}
}
}
string ExtractPrefix ()
{
string path = null;
foreach (string key in keys.Keys)
{
int slash = key.LastIndexOf ('/');
if (slash < 0)
continue;
string new_path = key.Substring (0, slash + 1);
if (path == null || new_path.Length < path.Length)
path = new_path;
}
return path;
}
string BaseName (string key)
{
int slash = key.LastIndexOf ('/');
if (slash < 0)
return key;
return key.Substring (slash + 1);
}
string PropertyName (string key)
{
string basename = BaseName (key);
StringBuilder sb = new StringBuilder ();
bool needs_caps = true;
foreach (char orig in basename)
{
char c = orig;
if (c == '_' || c == '-')
{
needs_caps = true;
continue;
}
if (needs_caps)
{
c = c.ToString ().ToUpper ()[0];
needs_caps = false;
}
sb.Append (c);
}
return sb.ToString ();
}
string CSType (string key, string type)
{
switch (type)
{
case "float":
return "double";
case "string":
return "string";
case "int":
return "int";
case "bool":
return "bool";
case "color":
return "System.Drawing.Color";
case "enum":
if (classes.Contains (key))
return (string) classes[key];
else
return "string";
case "list":
return "System.Array";
default:
return null;
}
}
void GenerateSimpleProperty (TextWriter sw, string key, string key_str, string type, string cstype)
{
sw.WriteLine ("\t\t\tget {");
sw.WriteLine ("\t\t\t\treturn ({0}) client.Get ({1});", cstype, key_str);
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t\tset {");
sw.WriteLine ("\t\t\t\tclient.Set ({0}, value);", key_str);
sw.WriteLine ("\t\t\t}");
}
void GenerateColorProperty (TextWriter sw, string key, string key_str, string type, string cstype)
{
sw.WriteLine ("\t\t\tget {");
sw.WriteLine ("\t\t\t\treturn System.Drawing.ColorTranslator.FromHtml ((string) client.Get ({0}));", key_str);
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t\tset {");
sw.WriteLine ("\t\t\t\tclient.Set ({0}, System.Drawing.ColorTranslator.ToHtml (value));", key_str);
sw.WriteLine ("\t\t\t}");
}
void GenerateEnumProperty (TextWriter sw, string key, string key_str, string type, string cstype)
{
sw.WriteLine ("\t\t\tget {");
sw.WriteLine ("\t\t\t\ttry {");
sw.WriteLine ("\t\t\t\t\treturn ({0}) System.Enum.Parse (typeof ({0}), (string) client.Get ({1}));", cstype, key_str);
sw.WriteLine ("\t\t\t\t} catch (System.Exception e) {");
sw.WriteLine ("\t\t\t\t\treturn ({0}) 0;", cstype);
sw.WriteLine ("\t\t\t\t}");
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t\tset {");
sw.WriteLine ("\t\t\t\tclient.Set ({0}, System.Enum.GetName (typeof ({1}), value));", key_str, cstype);
sw.WriteLine ("\t\t\t}");
}
void GenerateEvent (TextWriter sw, string name, string key_str)
{
sw.WriteLine ();
sw.WriteLine ("\t\tpublic static event GConf.NotifyEventHandler {0}Changed", name);
sw.WriteLine ("\t\t{");
sw.WriteLine ("\t\t\tadd {");
sw.WriteLine ("\t\t\t\tclient.AddNotify ({0}, value);", key_str);
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t\tremove{");
sw.WriteLine ("\t\t\t\tclient.RemoveNotify ({0}, value);", key_str);
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t}");
}
void Generate (string ns_str)
{
string path = ExtractPrefix ();
TextWriter sw = Console.Out;
sw.WriteLine ("namespace {0}", ns_str);
sw.WriteLine ("{");
sw.WriteLine ("\tpublic class Settings");
sw.WriteLine ("\t{");
sw.WriteLine ("\t\tstatic GConf.Client client = new GConf.Client ();");
GenerateEvent (sw, "", "\"" + path.Substring (0, path.Length - 1) + "\"");
foreach (string key in keys.Keys)
{
string type = (string) keys[key];
string cstype = CSType (key, type);
string key_str = "\"" + key + "\"";
if (cstype == null)
{
Console.Error.WriteLine ("Warning: unknown type \"{0}\" for key {1}", type, key);
continue;
}
sw.WriteLine ();
sw.WriteLine ("\t\tpublic static {0} {1}", cstype, PropertyName (key));
sw.WriteLine ("\t\t{");
switch (type)
{
case "color":
GenerateColorProperty (sw, key, key_str, type, cstype);
break;
case "enum":
GenerateEnumProperty (sw, key, key_str, type, cstype);
break;
default:
GenerateSimpleProperty (sw, key, key_str, type, cstype);
break;
}
sw.WriteLine ("\t\t}");
GenerateEvent (sw, PropertyName (key), key_str);
}
sw.WriteLine ("\t}");
sw.WriteLine ();
sw.WriteLine ("\tpublic class SettingKeys");
sw.WriteLine ("\t{");
foreach (string key in keys.Keys)
{
sw.WriteLine ("\t\tpublic static string {0}", PropertyName (key));
sw.WriteLine ("\t\t{");
sw.WriteLine ("\t\t\tget {");
sw.WriteLine ("\t\t\t\t return \"{0}\";", key);
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t}");
}
sw.WriteLine ("\t}");
sw.WriteLine ("}");
}
public static void Main (string[] args)
{
if (args.Length < 2)
Die ("Usage: gconfsharp-schemagen namespace schemafile");
string ns = args[0];
string filename = args[1];
SchemaGen gen = new SchemaGen ();
gen.Parse (filename);
gen.Generate (ns);
}
}
}
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