1 files changed, 141 insertions, 0 deletions
diff --git a/src/com/jogamp/opencl/CLVersion.java b/src/com/jogamp/opencl/CLVersion.java
new file mode 100644
index 00000000..e8a7e79c
--- /dev/null
+++ b/src/com/jogamp/opencl/CLVersion.java
@@ -0,0 +1,141 @@
+/*
+ * 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 (\\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 && fullversion.equals(obj);
+    }
+
+
+}