From 77c02cf18002f5520a85265c55116ccaf52da596 Mon Sep 17 00:00:00 2001
From: allo <allo@6c8d7289-2bf4-0310-a012-ef5d649a1542>
Date: Tue, 2 Jan 2007 23:33:19 +0000
Subject: [PATCH] build the svnRevNr helper, too. (needed for a clean .deb)

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3154 6c8d7289-2bf4-0310-a012-ef5d649a1542
---
 build.xml                              | 12 +++-
 lib/svnRevNr/svnRevNrParser.java       | 96 ++++++++++++++++++++++++++
 lib/svnRevNr/svnRevNrParser.properties |  1 +
 3 files changed, 108 insertions(+), 1 deletion(-)
 create mode 100644 lib/svnRevNr/svnRevNrParser.java
 create mode 100644 lib/svnRevNr/svnRevNrParser.properties

diff --git a/build.xml b/build.xml
index 577e032eb..034cf5a6e 100644
--- a/build.xml
+++ b/build.xml
@@ -92,7 +92,17 @@
     if the .svn directory exists we try to determine the real
     svn revision number of the working base now
 -->	
-<target name="determineRevisionNr" if="svnEntriesFileExists">
+
+<target name="buildSvnRevNr">
+  <delete file="lib/svnRevNr.jar" />
+  <jar destfile="lib/svnRevNr.jar" basedir="${lib}/svnRevNr">
+    <manifest>
+      <attribute name="Main-Class" value="svnRevNrParser"/>
+    </manifest>	  	
+  </jar>	
+</target>
+
+<target name="determineRevisionNr" if="svnEntriesFileExists" depends="buildSvnRevNr">
 	<!-- define a custom ant task to read the revision number from file -->
 	<taskdef resource="svnRevNrParser.properties" classpath="${lib}/svnRevNr.jar"/>
 	
diff --git a/lib/svnRevNr/svnRevNrParser.java b/lib/svnRevNr/svnRevNrParser.java
new file mode 100644
index 000000000..4dd154531
--- /dev/null
+++ b/lib/svnRevNr/svnRevNrParser.java
@@ -0,0 +1,96 @@
+
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+
+public class svnRevNrParser extends org.apache.tools.ant.Task{
+
+    private String fileName=null;
+    private String property=null;
+
+    public void setFile(String name) {
+        this.fileName = name;
+    }
+
+    public String getFile() {
+        return this.fileName;
+    }
+
+    public void setProperty(String property) {
+        this.property = property;
+    }
+
+    public String getProperty() {
+        return this.property;
+    }
+
+    public void execute() {
+        if (this.property==null || this.property.length() == 0) {
+            log("svn entries file name property was not set properly",Project.MSG_ERR);
+            return;
+        }
+
+        if (this.fileName != null && this.fileName.length() > 0) {
+            File entriesFile = new File(this.fileName);
+            if (!entriesFile.exists()) throw new BuildException("SVN entries file '" + this.fileName + "' does not exist.");
+            if (!entriesFile.canRead()) throw new BuildException("SVN entries file '" + this.fileName + "' is not readable.");
+            
+            // read the content of the file into memory
+            String dataStr;
+            try {
+                byte[] data = new byte[(int) entriesFile.length()];
+                FileInputStream input = new FileInputStream(entriesFile);
+                input.read(data);
+                dataStr = new String(data);
+            } catch (Exception e) {
+                throw new BuildException("Unable to read the SVN entries file '" + this.fileName + "'"); 
+            }
+            
+            // parse the content
+            Pattern pattern;
+            if (dataStr.startsWith("<?xml")) {
+                pattern = Pattern.compile("<entry[^>]*(?:name=\"\"[^>]*revision=\"(\\d*)\"|revision=\"(\\d*)\"[^>]*name=\"\")[^>]*/>"); 
+            } else {                
+                pattern = Pattern.compile("\\s\\sdir\\s*(\\d*)\\s*svn(\\+ssh)?://");
+            }
+
+            Matcher matcher = pattern.matcher(dataStr);
+            String revNr;
+            if (matcher.find()) {
+                revNr = matcher.group(1);
+                if (revNr == null) revNr = matcher.group(2);
+
+                System.out.println(revNr);
+                log("SVN revision number found: " + revNr, Project.MSG_VERBOSE);
+            } else {
+                log("Unable to determine the SVN revision number", Project.MSG_WARN);
+                revNr = "0000";
+            }
+            
+            Project theProject = getProject();
+            if (theProject != null) {
+                theProject.setProperty(this.property, revNr);
+                log("Property '" + this.property + "' set to '" + revNr + "'", Project.MSG_VERBOSE);                
+            }           
+        } else {
+            throw new BuildException("File name attribute is required.");
+        }
+
+    }   
+    
+    public static void main(String[] args) {
+        svnRevNrParser parser = new svnRevNrParser();
+//        parser.setFile(".svn/entries");
+//        parser.setProperty("test");
+//        parser.execute();
+        
+        parser.setFile("/home/theli/.eclipse/yacy/.svn/entries");
+        parser.setProperty("test");
+        parser.execute();
+    }
+}
diff --git a/lib/svnRevNr/svnRevNrParser.properties b/lib/svnRevNr/svnRevNrParser.properties
new file mode 100644
index 000000000..ac577405d
--- /dev/null
+++ b/lib/svnRevNr/svnRevNrParser.properties
@@ -0,0 +1 @@
+svnrevnr=svnRevNrParser
\ No newline at end of file