INTEGRATION: CWS sb87 (1.1.2); FILE ADDED

2008/04/24 11:52:15 sb 1.1.2.1: #i88687# extracted cppuhelper_detail_findSofficePath from odk/source/unoapploader

1 files changed, 207 insertions, 0 deletions

diff --git a/cppuhelper/source/findsofficepath.c b/cppuhelper/source/findsofficepath.c
new file mode 100644
index 000000000..abc35d172
--- /dev/null
+++ b/cppuhelper/source/findsofficepath.c
@@ -0,0 +1,207 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: findsofficepath.c,v $
+ * $Revision: 1.2 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#include "precompiled_cppuhelper.hxx"
+#include "sal/config.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#if defined WNT
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+/*
+ * Gets the installation path from the Windows Registry for the specified
+ * registry key.
+ *
+ * @param hroot       open handle to predefined root registry key
+ * @param subKeyName  name of the subkey to open
+ *
+ * @return the installation path or NULL, if no installation was found or
+ *         if an error occured
+ */
+static char* getPathFromRegistryKey( HKEY hroot, const char* subKeyName )
+{
+    HKEY hkey;
+    DWORD type;
+    char* data = NULL;
+    DWORD size;
+
+    /* open the specified registry key */
+    if ( RegOpenKeyEx( hroot, subKeyName, 0, KEY_READ, &hkey ) != ERROR_SUCCESS )
+    {
+        return NULL;
+    }
+
+    /* find the type and size of the default value */
+    if ( RegQueryValueEx( hkey, NULL, NULL, &type, NULL, &size) != ERROR_SUCCESS )
+    {
+        RegCloseKey( hkey );
+        return NULL;
+    }
+
+    /* get memory to hold the default value */
+    data = (char*) malloc( size );
+
+    /* read the default value */
+    if ( RegQueryValueEx( hkey, NULL, NULL, &type, (LPBYTE) data, &size ) != ERROR_SUCCESS )
+    {
+        RegCloseKey( hkey );
+        return NULL;
+    }
+
+    /* release registry key handle */
+    RegCloseKey( hkey );
+
+    return data;
+}
+
+/*
+ * Gets the installation path from the Windows Registry.
+ *
+ * @return the installation path or NULL, if no installation was found or
+ *         if an error occured
+ */
+static char* platformSpecific()
+{
+    const char* SUBKEYNAME = "Software\\OpenOffice.org\\UNO\\InstallPath";
+
+    char* path = NULL;
+    
+    /* read the key's default value from HKEY_CURRENT_USER */
+    path = getPathFromRegistryKey( HKEY_CURRENT_USER, SUBKEYNAME );
+
+    if ( path == NULL )
+    {
+        /* read the key's default value from HKEY_LOCAL_MACHINE */
+        path = getPathFromRegistryKey( HKEY_LOCAL_MACHINE, SUBKEYNAME );
+    }
+
+    return path;
+}
+
+#else
+
+#include <unistd.h>
+
+/*     
+ * Gets the installation path from the PATH environment variable.
+ *
+ * <p>An installation is found, if the executable 'soffice' or a symbolic link
+ * is in one of the directories listed in the PATH environment variable.</p>
+ *
+ * @return the installation path or NULL, if no installation was found or 
+ *         if an error occured
+ */
+static char* platformSpecific()
+{
+    const int SEPARATOR = '/';
+    const char* PATHSEPARATOR = ":";
+    const char* PATHVARNAME = "PATH";
+    const char* APPENDIX = "/soffice";
+
+    char* path = NULL;
+    char* env = NULL;
+    char* str = NULL;
+    char* dir = NULL;
+    char* file = NULL;
+    char* resolved = NULL;
+    char* sep = NULL;
+
+    char buffer[1024];
+    int pos;
+
+    /* get the value of the PATH environment variable */
+    env = getenv( PATHVARNAME );
+    str = (char*) malloc( strlen( env ) + 1 );
+    strcpy( str, env );
+
+    /* get the tokens separated by ':' */
+    dir = strtok( str, PATHSEPARATOR );
+
+    while ( dir )
+    {
+        /* construct soffice file path */
+        file = (char*) malloc( strlen( dir ) + strlen( APPENDIX ) + 1 );
+        strcpy( file, dir );
+        strcat( file, APPENDIX );
+
+        /* check existence of soffice file */
+        if ( !access( file, F_OK ) )
+        {
+            /* resolve symbolic link */
+            resolved = realpath( file, buffer );
+
+            if ( resolved != NULL )
+            {
+                /* get path to program directory */
+                sep = strrchr( resolved, SEPARATOR );
+
+                if ( sep != NULL )
+                {
+                    pos = sep - resolved;
+                    path = (char*) malloc( pos + 1 );
+                    strncpy( path, resolved, pos );
+                    path[ pos ] = '\0';
+                    free( file );
+                    break;
+                }
+            }
+        }
+
+        dir = strtok( NULL, PATHSEPARATOR );
+        free( file );
+    }
+
+    free( str );
+
+    return path;
+}
+
+#endif
+
+char const* cppuhelper_detail_findSofficePath()
+{
+    const char* UNOPATHVARNAME = "UNO_PATH";
+
+    char* path = NULL;
+
+    /* get the installation path from the UNO_PATH environment variable */
+    path = getenv( UNOPATHVARNAME );
+
+    if ( path == NULL || strlen( path ) == 0 )
+    {
+        path = platformSpecific();
+    }
+
+    return path;
+}