1) Added dependency check for flashmap, genfvimage, peirebase tasks

[mirror_edk2.git] / Tools / Source / FrameworkTasks / org / tianocore / framework / tasks / GenFvImageTask.java

diff --git a/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/GenFvImageTask.java b/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/GenFvImageTask.java
index cba7a4e4bc989053f943ac86d6902a37b389103a..d37156dd7095826677ac94740e89ce435f9ee54e 100644 (file)
--- a/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/GenFvImageTask.java
+++ b/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/GenFvImageTask.java
@@ -23,6 +23,16 @@ import org.apache.tools.ant.taskdefs.LogStreamHandler;
 import org.apache.tools.ant.types.Commandline;\r
 \r
 import java.io.File;\r
+import java.io.InputStreamReader;\r
+import java.lang.ProcessBuilder;\r
+import java.util.LinkedList;\r
+import java.util.regex.Matcher;\r
+import java.util.regex.Pattern;\r
+import java.util.List;\r
+import java.util.StringTokenizer;\r
+import java.util.Iterator;\r
+import java.io.BufferedReader;\r
+import java.io.FileReader;\r
 \r
 import org.tianocore.common.logger.EdkLog;\r
 \r
@@ -38,6 +48,10 @@ public class GenFvImageTask extends Task implements EfiDefine{
     //\r
     static final private String toolName = "GenFvImage";\r
     //\r
+    // Pattern to match the section header (e.g. [options], [files])\r
+    // \r
+    static final private Pattern sectionHeader = Pattern.compile("\\[([^\\[\\]]+)\\]");\r
+    //\r
     // The name of input inf file\r
     //\r
     private FileArg infFile = new FileArg();\r
@@ -56,6 +70,11 @@ public class GenFvImageTask extends Task implements EfiDefine{
         Project project = this.getOwningTarget().getProject();\r
         String path = project.getProperty("env.FRAMEWORK_TOOLS_PATH");\r
 \r
+        if (isUptodate()) {\r
+            EdkLog.log(this, EdkLog.EDK_VERBOSE, infFile.toFileList() + " is uptodate!");\r
+            return;\r
+        }\r
+\r
         String command;\r
         if (path == null) {\r
             command = toolName;\r
@@ -142,4 +161,117 @@ public class GenFvImageTask extends Task implements EfiDefine{
     public void setOutputDir(String outputDir) {\r
         this.outputDir = outputDir;\r
     }\r
+\r
+    //\r
+    // dependency check\r
+    // \r
+    private boolean isUptodate() {\r
+        String infName = this.infFile.getValue();\r
+        String fvName = "";\r
+        List<String> ffsFiles = new LinkedList<String>();\r
+        File inf = new File(infName);\r
+\r
+        try {\r
+            FileReader reader = new FileReader(inf);\r
+            BufferedReader in = new BufferedReader(reader);\r
+            String str;\r
+\r
+            //\r
+            // Read the inf file line by line\r
+            // \r
+            boolean inFiles = false;\r
+            boolean inOptions = false;\r
+            while ((str = in.readLine()) != null) {\r
+                str = str.trim();\r
+                if (str.length() == 0) {\r
+                    continue;\r
+                }\r
+\r
+                Matcher matcher = sectionHeader.matcher(str);\r
+                if (matcher.find()) {\r
+                    //\r
+                    // We take care of only "options" and "files" section\r
+                    // \r
+                    String sectionName = str.substring(matcher.start(1), matcher.end(1));\r
+                    if (sectionName.equalsIgnoreCase("options")) {\r
+                        inOptions = true;\r
+                        inFiles = false;\r
+                    } else if (sectionName.equalsIgnoreCase("files")) {\r
+                        inFiles = true;\r
+                        inOptions = false;\r
+                    } else {\r
+                        inFiles = false;\r
+                        inOptions = false;\r
+                    }\r
+                    continue;\r
+                }\r
+\r
+                //\r
+                // skip invalid line\r
+                // \r
+                int equalMarkPos = str.indexOf("=");\r
+                if (equalMarkPos < 0) {\r
+                    continue;\r
+                }\r
+\r
+                //\r
+                // we have only interest in EFI_FILE_NAME\r
+                // \r
+                String fileNameFlag = str.substring(0, equalMarkPos).trim();\r
+                String fileName = str.substring(equalMarkPos + 1).trim();\r
+                if (!fileNameFlag.equalsIgnoreCase("EFI_FILE_NAME")\r
+                    || fileName.length() == 0) {\r
+                    continue;\r
+                }\r
+\r
+                if (inFiles) {\r
+                    //\r
+                    // files specified beneath the [files] section are source files\r
+                    // \r
+                    ffsFiles.add(fileName);\r
+                } else if (inOptions) {\r
+                    //\r
+                    // file specified beneath the [options] section is the target file\r
+                    // \r
+                    fvName = outputDir + File.separator + fileName;\r
+                }\r
+            }\r
+        } catch (Exception ex) {\r
+            throw new BuildException(ex.getMessage());\r
+        }\r
+\r
+        //\r
+        // if destionation file doesn't exist, we need to generate it.\r
+        // \r
+        File fvFile = new File(fvName);\r
+        if (!fvFile.exists()) {\r
+            EdkLog.log(this, EdkLog.EDK_VERBOSE, fvName + " doesn't exist!");\r
+            return false;\r
+        }\r
+\r
+        //\r
+        // the inf file itself will be taken as source file, check its timestamp\r
+        // against the target file\r
+        // \r
+        long fvFileTimeStamp = fvFile.lastModified();\r
+        if (inf.lastModified() > fvFileTimeStamp) {\r
+            EdkLog.log(this, EdkLog.EDK_VERBOSE, infName + " has been changed since last build!");\r
+            return false;\r
+        }\r
+\r
+        //\r
+        // no change in the inf file, we need to check each source files in it\r
+        // against the target file\r
+        // \r
+        for (Iterator it = ffsFiles.iterator(); it.hasNext(); ) {\r
+            String fileName = (String)it.next();\r
+            File file = new File(fileName);\r
+            if (file.lastModified() > fvFileTimeStamp) {\r
+                EdkLog.log(this, EdkLog.EDK_VERBOSE, fileName + " has been changed since last build!");\r
+                return false;\r
+            }\r
+        }\r
+\r
+        return true;\r
+    }\r
 }\r