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*
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*
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* list of conditions and the following disclaimer.
*
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* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
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* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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package org.hsqldb.util.preprocessor;
import java.lang.reflect.Field;
import java.util.Hashtable;
import java.util.Locale;
/* $Id: LineType.java 5793 2018-01-06 13:12:38Z fredt $ */
Static methods and constants to decode preprocessor line types.
Author: Campbell Burnet (campbell-burnet@users dot sourceforge.net) Version: 1.8.1 Since: 1.8.1
/**
* Static methods and constants to decode preprocessor line types.
*
* @author Campbell Burnet (campbell-burnet@users dot sourceforge.net)
* @version 1.8.1
* @since 1.8.1
*/
class LineType {
//
static final int UNKNOWN = 0;
static final int DEF = 1;
static final int DEFINE = 1;
static final int ELIF = 2;
static final int ELIFDEF = 3;
static final int ELIFNDEF = 4;
static final int ELSE = 5;
static final int ENDIF = 6;
static final int ENDINCLUDE = 7;
static final int HIDDEN = 8;
static final int IF = 9;
static final int IFDEF = 10;
static final int IFNDEF = 11;
static final int INCLUDE = 12;
static final int UNDEF = 13;
static final int UNDEFINE = 13;
static final int VISIBLE = 14;
//
private static Hashtable directives;
private static String[] labels;
static synchronized String[] labels() {
if (labels == null) {
init();
}
return labels;
}
static synchronized Hashtable directives() {
if (directives == null) {
init();
}
return directives;
}
private static void init() {
directives = new Hashtable();
labels = new String[17];
Field[] fields = LineType.class.getDeclaredFields();
for (int i = 0, j = 0; i < fields.length; i++) {
Field field = fields[i];
if (field.getType().equals(Integer.TYPE)) {
String label = field.getName();
try {
int value = field.getInt(null);
labels[value] = label;
switch(value) {
case VISIBLE :
case HIDDEN : {
// ignore
break;
}
default : {
String key = Line.DIRECTIVE_PREFIX
+ label.toLowerCase(Locale.ENGLISH);
directives.put(key, new Integer(value));
break;
}
}
} catch (IllegalArgumentException ex) {
// ex.printStackTrace();
} catch (IllegalAccessException ex) {
// ex.printStackTrace();
}
}
}
}
}