Check In tool source code based on Build tool project revision r1655.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8964 6f19259b-4bc3-4df7-8a09-765794883524

BaseTools/Source/C/Common/ParseGuidedSectionTools.c

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+/** @file
+
+Copyright (c) 2007 - 2008, Intel Corporation                                                         
+All rights reserved. This program and the accompanying materials                          
+are licensed and made available under the terms and conditions of the BSD License         
+which accompanies this distribution.  The full text of the license may be found at        
+http://opensource.org/licenses/bsd-license.php                                            
+                                                                                          
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+
+Module Name:
+
+  ParseGuidedSectionTools.c
+
+Abstract:
+
+  Helper functions for parsing GuidedSectionTools.txt
+
+**/
+
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include "MemoryFile.h"
+#include "CommonLib.h"
+#include "EfiUtilityMsgs.h"
+#include "ParseInf.h"
+#include "ParseGuidedSectionTools.h"
+#include "StringFuncs.h"
+
+
+//
+// Local types / structures
+//
+
+typedef struct _GUID_SEC_TOOL_ENTRY {
+  EFI_GUID   Guid;
+  CHAR8*     Name;
+  CHAR8*     Path;
+  struct _GUID_SEC_TOOL_ENTRY *Next;
+} GUID_SEC_TOOL_ENTRY;
+
+//
+// Functin Implementation
+//
+
+EFI_HANDLE
+ParseGuidedSectionToolsFile (
+  IN CHAR8    *InputFile
+  )
+/*++
+
+Routine Description:
+
+  This function parses the tools_def.txt file.  It returns a
+  EFI_HANDLE object which can be used for the other library
+  functions and should be passed to FreeParsedGuidedSectionToolsHandle
+  to free resources when the tools_def.txt information is no
+  longer needed.
+
+Arguments:
+
+  InputFile     Path name of file to read
+
+Returns:
+
+  NULL if error parsing
+  A non-NULL EFI_HANDLE otherwise
+
+--*/
+{
+  EFI_STATUS Status;
+  EFI_HANDLE MemoryFile;
+  EFI_HANDLE ParsedGuidedSectionTools;
+
+  Status = GetMemoryFile (InputFile, &MemoryFile);
+  if (EFI_ERROR (Status)) {
+    return NULL;
+  }
+
+  ParsedGuidedSectionTools = ParseGuidedSectionToolsMemoryFile (MemoryFile);
+
+  FreeMemoryFile (MemoryFile);
+  
+  return ParsedGuidedSectionTools;
+}
+
+
+EFI_HANDLE
+ParseGuidedSectionToolsMemoryFile (
+  IN EFI_HANDLE    InputFile
+  )
+/*++
+
+Routine Description:
+
+  This function parses the tools_def.txt file.  It returns a
+  EFI_HANDLE object which can be used for the other library
+  functions and should be passed to FreeParsedGuidedSectionToolsHandle
+  to free resources when the tools_def.txt information is no
+  longer needed.
+
+Arguments:
+
+  InputFile     Memory file image.
+
+Returns:
+
+  NULL if error or EOF
+  InputBuffer otherwise
+
+--*/
+{
+  EFI_STATUS  Status;
+  CHAR8       *NextLine;
+  STRING_LIST *Tool;
+  EFI_GUID    Guid;
+  GUID_SEC_TOOL_ENTRY *FirstGuidTool;
+  GUID_SEC_TOOL_ENTRY *LastGuidTool;
+  GUID_SEC_TOOL_ENTRY *NewGuidTool;
+
+  FirstGuidTool = NULL;
+
+  while (TRUE) {
+    NextLine = ReadMemoryFileLine (InputFile);
+    if (NextLine == NULL) {
+      break;
+    }
+    
+    Status = StripInfDscStringInPlace (NextLine);
+    if (EFI_ERROR (Status)) {
+      break;
+    }
+
+    if (NextLine[0] == '\0') {
+      continue;
+    }
+
+    Tool = SplitStringByWhitespace (NextLine);
+    if ((Tool != NULL) &&
+        (Tool->Count == 3)
+       ) {
+      Status = StringToGuid (Tool->Strings[0], &Guid);
+      if (!EFI_ERROR (Status)) {
+        NewGuidTool = malloc (sizeof (GUID_SEC_TOOL_ENTRY));
+        if (NewGuidTool != NULL) {
+          memcpy (&(NewGuidTool->Guid), &Guid, sizeof (Guid));
+          NewGuidTool->Name = CloneString(Tool->Strings[1]);
+          NewGuidTool->Path = CloneString(Tool->Strings[2]);
+          NewGuidTool->Next = NULL;
+        }
+        if (FirstGuidTool == NULL) {
+          FirstGuidTool = NewGuidTool;
+        } else {
+          LastGuidTool->Next = NewGuidTool;
+        }
+        LastGuidTool = NewGuidTool;
+      }
+      FreeStringList (Tool);
+    }
+  }
+
+  return FirstGuidTool;
+}
+
+
+CHAR8*
+LookupGuidedSectionToolPath (
+  IN EFI_HANDLE ParsedGuidedSectionToolsHandle,
+  IN EFI_GUID   *SectionGuid
+  )
+/*++
+
+Routine Description:
+
+  This function looks up the appropriate tool to use for extracting
+  a GUID defined FV section.
+
+Arguments:
+
+  ParsedGuidedSectionToolsHandle    A parsed GUID section tools handle.
+  SectionGuid                       The GUID for the section.
+
+Returns:
+
+  NULL     - if no tool is found or there is another error
+  Non-NULL - The tool to use to access the section contents.  (The caller
+             must free the memory associated with this string.)
+
+--*/
+{
+  GUID_SEC_TOOL_ENTRY *GuidTool;
+
+  GuidTool = (GUID_SEC_TOOL_ENTRY*)ParsedGuidedSectionToolsHandle;
+  if (GuidTool == NULL) {
+    return NULL;
+  }
+
+  for ( ; GuidTool != NULL; GuidTool = GuidTool->Next) {
+    if (CompareGuid (&(GuidTool->Guid), SectionGuid) == 0) {
+      return CloneString (GuidTool->Path);
+    }
+  }
+
+  return NULL;
+}
+
+