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xapian-dump: Add support to unserialize values.

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The interface for this is cheesy, (bare integer value numbers on the
command line indicating that unserialization is desired for those
value numbers). But this at least lets us print sup databases with
human-readable output for the date values.
This commit is contained in:
Carl Worth 2009-10-13 09:36:25 -07:00
parent 96a706383f
commit ea96cb694f
1 changed files with 43 additions and 3 deletions
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46
xapian-dump.cc
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@ -34,11 +34,14 @@
#include <cstdlib> #include <cstdlib>
#include <iostream> #include <iostream>
#include <algorithm>
#include <xapian.h> #include <xapian.h>
using namespace std; using namespace std;
vector<int> UNSERIALIZE;
static void static void
print_document_terms (Xapian::Document doc) print_document_terms (Xapian::Document doc)
{ {
@ -50,15 +53,43 @@ print_document_terms (Xapian::Document doc)
cout << "\t" << *i << endl; cout << "\t" << *i << endl;
} }
static int
vector_int_contains (vector<int> v, int i)
{
vector<int>::iterator result;
result = find (v.begin(), v.end(), i);
return result != v.end();
}
static void static void
print_document_values (Xapian::Document doc) print_document_values (Xapian::Document doc)
{ {
Xapian::ValueIterator i; Xapian::ValueIterator i;
int value_no, value_int;
double value_float;
printf ("Values:\n"); printf ("Values:\n");
for (i = doc.values_begin (); i != doc.values_end (); i++) for (i = doc.values_begin (); i != doc.values_end (); i++) {
cout << "\t" << i.get_valueno() << ": " << *i << endl; value_no = i.get_valueno();
cout << "\t" << i.get_valueno() << ": ";
if (vector_int_contains (UNSERIALIZE, value_no)) {
value_float = Xapian::sortable_unserialise (*i);
value_int = value_float;
if (value_int == value_float)
cout << value_int;
else
cout << value_float;
} else {
cout << *i;
}
cout << endl;
}
} }
static void static void
@ -79,15 +110,24 @@ int
main (int argc, char *argv[]) main (int argc, char *argv[])
{ {
const char *database_path; const char *database_path;
int i;
if (argc < 2) { if (argc < 2) {
fprintf (stderr, "Usage: %s <path-to-xapian-database>\n", fprintf (stderr, "Usage: %s <path-to-xapian-database> [value_nos...]\n",
argv[0]); argv[0]);
fprintf (stderr, "Dumps data from the given database.\n");
fprintf (stderr, "The values corresponding to any value numbers given on the command line\n");
fprintf (stderr, "will be unserialized to an before being printed.\n");
exit (1); exit (1);
} }
database_path = argv[1]; database_path = argv[1];
UNSERIALIZE = vector<int> ();
for (i = 2; i < argc; i++)
UNSERIALIZE.push_back (atoi (argv[i]));
try { try {
Xapian::Database db; Xapian::Database db;