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//
// Entry.cs
//
// Authors:
// Marek Safar <marek.safar@gmail.com>
//
// Copyright (C) 2012 Xamarin Inc (http://www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Text;
using System.Collections.Generic;
namespace Mono.Tools.LocaleBuilder
{
public class Entry
{
// maps strings to indexes
static Dictionary<string, int> hash = new Dictionary<string, int> ();
static List<string> string_order = new List<string> ();
// idx 0 is reserved to indicate null
static int curpos = 1;
// serialize the strings in Hashtable.
public static string GetStrings ()
{
Console.WriteLine ("Total string data size: {0}", curpos);
if (curpos > UInt16.MaxValue)
throw new Exception ("need to increase idx size in culture-info.h");
StringBuilder ret = new StringBuilder ();
// the null entry
ret.Append ("\"\\0\"\n");
foreach (string s in string_order) {
ret.Append ("\t\"");
ret.Append (s);
ret.Append ("\\0\"\n");
}
return ret.ToString ();
}
static int AddString (string s, int size)
{
if (!hash.ContainsKey (s)) {
int ret;
string_order.Add (s);
ret = curpos;
hash.Add (s, curpos);
curpos += size + 1; // null terminator
return ret;
}
return hash[s];
}
protected static StringBuilder AppendNames (StringBuilder builder, IList<string> names)
{
builder.Append ('{');
for (int i = 0; i < names.Count; i++) {
if (i > 0)
builder.Append (", ");
builder.Append (EncodeStringIdx (names[i]));
}
builder.Append ("}");
return builder;
}
internal static String EncodeStringIdx (string str)
{
if (str == null)
return "0";
StringBuilder ret = new StringBuilder ();
byte[] ba = new UTF8Encoding ().GetBytes (str);
bool in_hex = false;
foreach (byte b in ba) {
if (b > 127 || (in_hex && is_hex (b))) {
ret.AppendFormat ("\\x{0:x}", b);
in_hex = true;
} else {
if (b == '\\')
ret.Append ('\\');
ret.Append ((char) b);
in_hex = false;
}
}
int res = AddString (ret.ToString (), ba.Length);
return res.ToString ();
}
private static bool is_hex (int e)
{
return (e >= '0' && e <= '9') || (e >= 'A' && e <= 'F') || (e >= 'a' && e <= 'f');
}
}
}
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