AfflictionNetworks/getdown
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Realized that I hadn't tested negative qualfiers, added tests, discovered that

Browse Source 
they failed. Fixed problems and added sanity checks to ensure that negative
qualifiers are always used alone.
This commit is contained in:
Michael Bayne
2010-09-14 21:06:11 +00:00
parent 0b0e5731d4
commit 8451579ea9
2 changed files with 33 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/main/java/com/threerings/getdown/util/ConfigUtil.java
+24 -18
View File
@@ -21,6 +21,7 @@
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package com.threerings.getdown.util;
import java.io.File;
@@ -120,9 +121,7 @@ public class ConfigUtil
}
}
/**
* A helper function for {@link #parsePairs(Reader,boolean}.
*/
/** A helper function for {@link #parsePairs(Reader,boolean}. */
protected static List<String[]> parsePairs (Reader config, String osname, String osarch)
throws IOException
{
@@ -183,26 +182,33 @@ public class ConfigUtil
* ids = id | id,ids
* quals = !id | ids
* </pre>
* Examples: [linux-amd64,linux-x86_64], [windows], [mac os x], [!windows].
* Examples: [linux-amd64,linux-x86_64], [windows], [mac os x], [!windows]. Negative qualifiers
* must only be used alone as they trigger match or non-match immediately, irrespective of the
* value of other qualifiers.
*/
protected static boolean checkQualifiers (String quals, String osname, String osarch)
{
if (quals.startsWith("!")) {
if (quals.indexOf(",") != -1) { // sanity check
log.warning("Multiple qualifiers cannot be used when one of the qualifiers " +
"is negative", "qual", quals);
return false;
}
return !checkQualifier(quals.substring(1), osname, osarch);
}
for (String qual : quals.split(",")) {
String[] bits = qual.trim().toLowerCase().split("-");
String os = bits[0], arch = (bits.length > 1) ? bits[1] : "";
if (os.startsWith("!")) {
// if we have a negative match, we can immediately return false
if (osname.indexOf(os.substring(1)) != -1 && osarch.indexOf(arch) != -1) {
return false;
}
} else {
// if we have a positive match, we can immediately return true
if (osname.indexOf(os) != -1 && osarch.indexOf(arch) != -1) {
return true;
}
if (checkQualifier(qual, osname, osarch)) {
return true; // if we have a positive match, we can immediately return true
}
}
// we had no positive matches, so return false
return false;
return false; // we had no positive matches, so return false
}
/** A helper function for {@link #checkQualifiers}. */
protected static boolean checkQualifier (String qual, String osname, String osarch)
{
String[] bits = qual.trim().toLowerCase().split("-");
String os = bits[0], arch = (bits.length > 1) ? bits[1] : "";
return (osname.indexOf(os) != -1) && (osarch.indexOf(arch) != -1);
}
}