Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtinfo/dtinfogen/infolib/etc/SearchStorage.C

@@ -0,0 +1,171 @@
+/* $XConsortium: SearchStorage.cc /main/4 1996/07/23 18:10:39 cde-hal $
+ *
+ * (c) Copyright 1996 Digital Equipment Corporation.
+ * (c) Copyright 1996 Hewlett-Packard Company.
+ * (c) Copyright 1996 International Business Machines Corp.
+ * (c) Copyright 1996 Sun Microsystems, Inc.
+ * (c) Copyright 1996 Novell, Inc. 
+ * (c) Copyright 1996 FUJITSU LIMITED.
+ * (c) Copyright 1996 Hitachi.
+ */
+#include <stdio.h>
+#include <stddef.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <assert.h>
+#include <stream.h>
+
+/* imported interfaces */
+#include <misc/unique_id.h>
+#include "FlexBuffer.h"
+#include "Task.h"
+#include "DataBase.h"
+
+/* exported interfaces */
+#include "SearchStorage.h"
+
+//-----------------------------------------------------------------------
+static int isdir(const char* filename)
+{
+  int ret = 0;
+  struct stat sb;
+
+  if(stat(filename, &sb) == 0){
+    if(S_ISDIR(sb.st_mode)){
+      ret = 1;
+    }
+  }
+
+  return ret;
+}
+
+//-----------------------------------------------------------------------
+static void makedir(const char *path) /* throw(PosixError) */
+{
+  if(mkdir((char*)path, 0775) != 0){
+    throw(PosixError(errno, path));
+  }
+}
+
+//-----------------------------------------------------------------------
+static const char *FilteredString( FlexBuffer &f_buf, const char *str )
+{
+  for ( const char *ptr = str; *ptr != 0; ptr++ ) {
+    if ( *ptr == '\"' ) {
+      f_buf.writeStr ( "\\\"" );
+    }
+    else if ( *ptr == '\\' ) {
+      f_buf.writeStr ( "\\\\" );
+    }
+    else {
+      f_buf.put ( *ptr );
+    }
+  }
+
+  return ( f_buf.GetBuffer() );
+}
+
+//-----------------------------------------------------------------------
+SearchStorage::SearchStorage( const char *path, const char *name )
+{
+  if ( !isdir(path) ) {
+    makedir(path);
+  }
+
+  filteredPath = new char [ strlen(path) + 1 + strlen("filtered") + 1 ];
+  /*
+   * throw(ResourceExhausted)
+   *
+   */
+  assert ( filteredPath != NULL );
+  
+  sprintf( filteredPath, "%s/filtered", path );
+  
+  if ( !isdir(filteredPath) ) {
+    makedir(filteredPath);
+  }
+
+  /* construct the fulcrum path */
+  char *fulcrumpath = form("%s/fulcrum", path );
+
+  if ( !isdir(fulcrumpath) ) {
+    makedir(fulcrumpath);
+  }
+
+  char *catalogname = form("%s/%s.cin", fulcrumpath, name );
+
+  catalogfile = fopen ( catalogname, "w" );
+  if ( !catalogfile ) {
+    throw(PosixError(errno, form("unable to open catalog %s\n", catalogname) ) );
+  }
+}
+
+//-----------------------------------------------------------------------
+void
+SearchStorage::insert( const char *BookCaseName,
+		       const int   BookNum,
+		       const char *BookShortTitle,
+		       const char *SectionID,
+		       const char *SectionTitle,
+		       const char *buffer,
+		       int         size
+		       )
+{
+
+  // write the search buffer to a file with name "NodeLocator" under
+  // fulcrumpath
+
+  // we use a unique_id() as the file name, in order to avoid spaces, /
+  // and stuffs like that.....
+
+  const char *filtered_file_name = unique_id();
+
+  char *filename = form("%s/%s", filteredPath, filtered_file_name );
+  FILE *fp = fopen( filename, "w" );
+  if ( !fp ) {
+    throw(PosixError(errno, form("Unable to open %s", filename) ) );
+  }
+
+  if ( !fwrite ( buffer, size, 1, fp ) ) {
+    throw(PosixError(errno, "unable to write to buffer\n" ) );
+  }
+
+  fclose(fp);
+
+  FlexBuffer new_section_id;
+  FlexBuffer new_book_short_title;
+  FlexBuffer new_section_title;
+  FlexBuffer new_book_case_name;
+
+  // append to the catalog file
+  if ( catalogfile ) {
+    fprintf( catalogfile, "{\ns %s s 32 1;\n", filtered_file_name );
+
+    fprintf( catalogfile, "f 100 \"%s\" ;\n",  
+	     FilteredString( new_section_id, SectionID ) );
+
+    fprintf( catalogfile, "f 127 \"%s\" ;\n" , 
+	     FilteredString( new_book_short_title, BookShortTitle ) );
+
+    fprintf( catalogfile, "f 128 \"%s\" ;\n",  
+	     FilteredString( new_section_title, SectionTitle ) );
+
+    fprintf( catalogfile, "f 130 \"%d\";\n",   BookNum     );
+
+    fprintf( catalogfile, "f 131 \"%s\";\n",   
+	     FilteredString( new_book_case_name, BookCaseName) );
+
+    fprintf( catalogfile, "}\n");
+  }
+  
+}
+
+//-----------------------------------------------------------------------
+SearchStorage::~SearchStorage()
+{
+  if ( catalogfile ) { fclose(catalogfile); }
+  if ( filteredPath ) { delete [] filteredPath; }
+}
+
+