/*
* Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
* Copyright (C) $$Year-Rel$$ The Jalview Authors
*
* This file is part of Jalview.
*
* Jalview 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, either version 3
* of the License, or (at your option) any later version.
*
* Jalview 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 Jalview. If not, see .
* The Jalview Authors are detailed in the 'AUTHORS' file.
*/
package jalview.bin.argparser;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import jalview.bin.Console;
/**
* A helper class to parse a string of the possible forms "content"
* "[index]content", "[keyName=keyValue]content" and return the integer index,
* the strings keyName and keyValue, and the content after the square brackets
* (if present). Values not set `will be -1 or null.
*/
public class SubVals
{
public static int NOTSET = -1;
private int index = NOTSET;
private Map subValMap;
private static char SEPARATOR = ',';
private static char EQUALS = '=';
private String content = null;
protected SubVals(SubVals sv, String c)
{
this(sv, c, true);
}
protected SubVals(SubVals sv, String c, boolean merge)
{
SubVals subvals;
if (merge)
{
SubVals vsv = new SubVals(c);
if (sv != null && sv.getSubValMap() != null)
{
for (String key : sv.getSubValMap().keySet())
{
vsv.put(key, sv.get(key));
}
}
if (sv != null && sv.getIndex() > 0)
{
vsv.index = sv.getIndex();
}
subvals = vsv;
}
else
{
// replace
subvals = sv;
}
if (subvals == null)
{
this.subValMap = new HashMap<>();
}
else
{
this.subValMap = subvals == null ? new HashMap<>()
: subvals.getSubValMap();
this.index = subvals.getIndex();
}
this.content = c;
}
protected SubVals(String item)
{
if (subValMap == null)
subValMap = new HashMap<>();
this.parseVals(item);
}
public void parseVals(String item)
{
if (item == null)
return;
if (item.indexOf('[') == 0 && item.indexOf(']') > 1)
{
int openBracket = 0;
int closeBracket = item.indexOf(']');
String subvalsString = item.substring(openBracket + 1, closeBracket);
this.content = item.substring(closeBracket + 1);
boolean setIndex = false;
for (String subvalString : subvalsString
.split(Character.toString(SEPARATOR)))
{
int equals = subvalString.indexOf(EQUALS);
if (equals > -1)
{
this.put(subvalString.substring(0, equals),
subvalString.substring(equals + 1));
}
else
{
try
{
this.index = Integer.parseInt(subvalString);
setIndex = true;
} catch (NumberFormatException e)
{
// store this non-numeric key as a "true" value
this.put(subvalString, "true");
}
}
}
if (!setIndex)
this.index = NOTSET;
else
Console.debug("SubVals from '" + subvalsString + "' has index "
+ this.index + " set");
}
else
{
this.content = item;
}
}
protected void put(String key, String val)
{
subValMap.put(key, val);
}
public boolean notSet()
{
// notSet is true if content present but nonsensical
return index == NOTSET && (subValMap == null || subValMap.size() == 0);
}
public String getWithSubstitutions(ArgParser ap, String id, String key)
{
return ap.makeSubstitutions(subValMap.get(key), id);
}
public String get(String key)
{
return subValMap.get(key);
}
public boolean has(String key)
{
return subValMap.containsKey(key);
}
public int getIndex()
{
return index;
}
public String getContent()
{
return content;
}
protected Map getSubValMap()
{
return subValMap;
}
public String toString()
{
if (subValMap == null && getIndex() == NOTSET)
return "";
StringBuilder sb = new StringBuilder();
List entries = new ArrayList<>();
subValMap.entrySet().stream().forEachOrdered(
m -> entries.add(m.getValue().equals("true") ? m.getKey()
: new StringBuilder().append(m.getKey()).append(EQUALS)
.append(m.getValue()).toString()));
if (getIndex() != NOTSET)
entries.add(Integer.toString(getIndex()));
sb.append('[');
sb.append(String.join(Character.toString(SEPARATOR), entries));
sb.append(']');
return sb.toString();
}
}