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using System;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.Collections.Generic;
using System.Reflection;
public class GConfSchemaExtractor
{
private static Dictionary<string, StringBuilder> entries =
new Dictionary<string, StringBuilder>();
private static int schema_count = 0;
public static void Main(string [] args)
{
Assembly asm = Assembly.LoadFrom(args[0]);
foreach(Type type in asm.GetTypes()) {
foreach(FieldInfo field in type.GetFields()) {
if(field.FieldType.IsGenericType &&
field.FieldType.GetGenericTypeDefinition().Name.StartsWith("SchemaEntry")) {
if(field.Name == "Zero") {
continue;
}
object schema = field.GetValue(null);
AddSchemaEntry(schema.GetType().GetField("DefaultValue").GetValue(schema),
GetString(schema, "Namespace"),
GetString(schema, "Key"),
GetString(schema, "ShortDescription"),
GetString(schema, "LongDescription")
);
}
}
}
if(schema_count > 0) {
StringBuilder final = new StringBuilder();
final.Append("<?xml version=\"1.0\"?>\n");
final.Append("<gconfschemafile>\n");
final.Append(" <schemalist>\n");
List<string> keys = new List<string>(entries.Keys);
keys.Sort();
foreach(string key in keys) {
final.Append(entries[key]);
}
final.Append(" </schemalist>\n");
final.Append("</gconfschemafile>\n");
using(StreamWriter writer = new StreamWriter(args[1])) {
writer.Write(final.ToString());
}
}
}
private static string GetString(object o, string name)
{
FieldInfo field = o.GetType().GetField(name);
return (string)field.GetValue(o);
}
private static string GetValueString(Type type, object o, out string gctype)
{
if(type == typeof(bool)) {
gctype = "bool";
return o == null ? null : o.ToString().ToLower();
} else if(type == typeof(int)) {
gctype = "int";
} else if(type == typeof(float) || type == typeof(double)) {
gctype = "float";
} else if(type == typeof(string)) {
gctype = "string";
} else {
throw new Exception("Unsupported type '" + type + "'");
}
return o == null ? null : o.ToString();
}
private static void AddSchemaEntry(object value, string namespce, string key,
string short_desc, string long_desc)
{
schema_count++;
string full_key = CreateKey(namespce, key);
bool list = value.GetType().IsArray;
Type type = list ? Type.GetTypeArray((object [])value)[0] : value.GetType();
string str_val = null;
string str_type = null;
if(list) {
if(value == null || ((object [])value).Length == 0) {
GetValueString(type, null, out str_type);
str_val = "[]";
} else {
str_val = "[";
object [] arr = (object [])value;
for(int i = 0; i < arr.Length; i++) {
str_val += GetValueString(type, arr[i], out str_type).Replace(",", "\\,");
if(i < arr.Length - 1) {
str_val += ",";
}
}
str_val += "]";
}
} else {
str_val = GetValueString(type, value, out str_type);
}
StringBuilder builder = new StringBuilder();
builder.AppendFormat(" <schema>\n");
builder.AppendFormat(" <key>/schemas{0}</key>\n", full_key);
builder.AppendFormat(" <applyto>{0}</applyto>\n", full_key);
builder.AppendFormat(" <owner>banshee</owner>\n");
if(!list) {
builder.AppendFormat(" <type>{0}</type>\n", str_type);
} else {
builder.AppendFormat(" <type>list</type>\n");
builder.AppendFormat(" <list_type>{0}</list_type>\n", str_type);
}
builder.AppendFormat(" <default>{0}</default>\n", str_val);
builder.AppendFormat(" <locale name=\"C\">\n");
builder.AppendFormat(" <short>{0}</short>\n", short_desc);
builder.AppendFormat(" <long>{0}</long>\n", long_desc);
builder.AppendFormat(" </locale>\n");
builder.AppendFormat(" </schema>\n");
entries.Add(full_key, builder);
}
private static string CamelCaseToUnderCase(string s)
{
string undercase = String.Empty;
string [] tokens = Regex.Split(s, "([A-Z]{1}[a-z]+)");
for(int i = 0; i < tokens.Length; i++) {
if(tokens[i] == String.Empty) {
continue;
}
undercase += tokens[i].ToLower();
if(i < tokens.Length - 2) {
undercase += "_";
}
}
return undercase;
}
private static string CreateKey(string namespce, string key)
{
return namespce == null
? "/apps/banshee/" + CamelCaseToUnderCase(key)
: "/apps/banshee/" + CamelCaseToUnderCase(namespce.Replace(".", "/"))
+ "/" + CamelCaseToUnderCase(key);
}
}
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