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/*
* Created on Thursday, June 24 2010 05:38
*/
package com.jogamp.opencl;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Version of an OpenCL Implementation.
* All comparison operations use the {@link #getSpecVersion()} for comparison.
* @author Michael Bien
*/
public class CLVersion implements Comparable<CLVersion> {
private final static Pattern pattern = Pattern.compile("OpenCL (?:C )?(\\d+)\\.(\\d+)(.*)");
public final static CLVersion CL_1_0 = new CLVersion("OpenCL 1.0");
public final static CLVersion CL_1_1 = new CLVersion("OpenCL 1.1");
/**
* The full version String is defined as:
* <code>OpenCL[space][major_version].[minor_version][space][platform-specific information]</code>
*/
public final String fullversion;
/**
* The platform specific part of the version string.
* @see #fullversion
*/
public final String implversion;
/**
* Minor version number.
* @see #fullversion
*/
public final short minor;
/**
* Mayor version number.
* @see #fullversion
*/
public final short major;
protected CLVersion(String version) {
this.fullversion = version;
Matcher matcher = pattern.matcher(version);
matcher.matches();
major = Short.parseShort(matcher.group(1));
minor = Short.parseShort(matcher.group(2));
if(matcher.groupCount() == 4) {//first group == whole string
implversion = matcher.group(3).substring(1);
}else{
implversion = "";
}
}
public int compareTo(CLVersion other) {
return compareTo(other.major, other.minor);
}
private int compareTo(int otherMajor, int otherMinor) {
if(otherMajor == major && otherMinor == minor) {
return 0;
}else if(this.major > otherMajor || (this.major == otherMajor && this.minor > otherMinor)) {
return 1;
}else{
return -1;
}
}
public boolean isAtLeast(CLVersion other) {
return this.compareTo(other) >= 0;
}
public boolean isAtLeast(int major, int minor) {
return this.compareTo(major, minor) >= 0;
}
public boolean isEqual(CLVersion other) {
return this.isEqual(other.major, other.minor);
}
public boolean isEqual(int major, int minor) {
return this.major == major && this.minor == minor;
}
/**
* Returns <code>'"OpenCL " + major + "." + minor'</code>.
*/
public String getSpecVersion() {
return "OpenCL " + major + '.' + minor;
}
/**
* Returns the full, unfiltered version string.
* @see #fullversion
*/
public String getFullVersion() {
return fullversion;
}
/**
* @see #implversion
*/
public String getImplVersion() {
return implversion;
}
/**
* @see #major
*/
public short getMajor() {
return major;
}
/**
* @see #minor
*/
public short getMinor() {
return minor;
}
@Override
public String toString() {
return getFullVersion();
}
@Override
public int hashCode() {
return fullversion.hashCode();
}
/**
* Returns true if both {@link #fullversion} Strings match.
*/
@Override
public boolean equals(Object obj) {
return obj != null && obj.getClass() == getClass() && fullversion.equals(((CLVersion)obj).fullversion);
}
}
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