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/*
* Copyright © 2016 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altoslib_11;
import java.io.*;
import java.util.*;
import java.text.*;
public class AltosHashSet extends Hashtable<String,String> {
private StringWriter writer;
static private int get(StringReader reader) throws IOException {
return reader.read();
}
static private String get_token(StringReader reader) throws IOException {
int c = get(reader);
if (c == -1)
return null;
ArrayList<Integer> chars = new ArrayList<Integer>();
for (;;) {
chars.add(c);
c = get(reader);
if (c == -1 || c == ';')
break;
if (c == '\\')
c = get(reader);
}
int[] ch = new int[chars.size()];
for (int i = 0; i < ch.length; i++)
ch[i] = chars.get(i);
return new String(ch, 0, ch.length);
}
static private void put(StringWriter writer, int c) throws IOException {
writer.write(c);
}
static private void put_token(StringWriter writer, String token) throws IOException {
for (int i = 0; i < token.length(); i++) {
int c = token.codePointAt(i);
switch (c) {
case ';':
case '\\':
put(writer, '\\');
}
put(writer, c);
}
put(writer, ';');
}
public String toString() {
try {
StringWriter writer = new StringWriter();
for (String key : keySet()) {
String value = get(key);
put_token(writer, key);
put_token(writer, value);
}
return writer.toString();
} catch (IOException ie) {
return null;
}
}
public void putInt(String key, int value) {
put(key, Integer.toString(value));
}
public int getInt(String key, int def) {
String value = get(key);
if (value == null)
return def;
try {
return AltosParse.parse_int(value);
} catch (ParseException pe) {
return def;
}
}
public void putDouble(String key, double value) {
put(key, AltosParse.format_double_net(value));
}
public double getDouble(String key, double def) {
String value = get(key);
if (value == null)
return def;
try {
return AltosParse.parse_double_net(value);
} catch (ParseException pe) {
return def;
}
}
public String getString(String key, String def) {
String value = get(key);
if (value == null)
return def;
return value;
}
public void putString(String key, String value) {
put(key, value);
}
public AltosHashSet (String string) throws IOException {
StringReader reader = new StringReader(string);
String key, value;
for (;;) {
key = get_token(reader);
value = get_token(reader);
if (key == null || value == null)
break;
put(key, value);
}
}
public AltosHashSet() {
}
static public AltosHashSet[] array(String string) throws IOException {
if (string == null)
return null;
StringReader reader = new StringReader(string);
ArrayList<AltosHashSet> array = new ArrayList<AltosHashSet>();
String element;
while ((element = get_token(reader)) != null)
array.add(new AltosHashSet(element));
return array.toArray(new AltosHashSet[0]);
}
static public String toString(AltosHashSet[] sets) throws IOException {
if (sets == null)
return null;
StringWriter writer = new StringWriter();
for (AltosHashSet h : sets) {
String element = h.toString();
put_token(writer, element);
}
return writer.toString();
}
}
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