*** empty log message ***

This commit is contained in:
dockes
2004-12-17 13:01:01 +00:00
parent a43ebc3716
commit 869b57eb8c
8 changed files with 307 additions and 40 deletions
+105 -7
View File
@@ -1,5 +1,5 @@
#ifndef lint
static char rcsid[] = "@(#$Id: rcldb.cpp,v 1.2 2004-12-15 15:00:36 dockes Exp $ (C) 2004 J.F.Dockes";
static char rcsid[] = "@(#$Id: rcldb.cpp,v 1.3 2004-12-17 13:01:01 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
#include <sys/stat.h>
@@ -11,6 +11,8 @@ static char rcsid[] = "@(#$Id: rcldb.cpp,v 1.2 2004-12-15 15:00:36 dockes Exp $
using namespace std;
#include "rcldb.h"
#include "textsplit.h"
#include "transcode.h"
#include "xapian.h"
@@ -29,7 +31,7 @@ class Native {
Rcl::Db::Db()
{
// pdata = new Native;
pdata = new Native;
}
Rcl::Db::~Db()
@@ -37,6 +39,8 @@ Rcl::Db::~Db()
if (pdata == 0)
return;
Native *ndb = (Native *)pdata;
cerr << "Db::~Db: isopen " << ndb->isopen << " iswritable " <<
ndb->iswritable << endl;
try {
// There is nothing to do for an ro db.
if (ndb->isopen == false || ndb->iswritable == false) {
@@ -58,10 +62,11 @@ Rcl::Db::~Db()
bool Rcl::Db::open(const string& dir, OpenMode mode)
{
return true;
if (pdata == 0)
return false;
Native *ndb = (Native *)pdata;
cerr << "Db::open: isopen " << ndb->isopen << " iswritable " <<
ndb->iswritable << endl;
try {
switch (mode) {
case DbUpd:
@@ -95,10 +100,11 @@ bool Rcl::Db::open(const string& dir, OpenMode mode)
bool Rcl::Db::close()
{
return true;
if (pdata == 0)
return false;
Native *ndb = (Native *)pdata;
cerr << "Db::open: isopen " << ndb->isopen << " iswritable " <<
ndb->iswritable << endl;
if (ndb->isopen == false)
return true;
try {
@@ -125,9 +131,103 @@ bool Rcl::Db::close()
return false;
}
// A small class to hold state while splitting text
class wsData {
public:
Xapian::Document &doc;
Xapian::termpos basepos; // Base for document section
Xapian::termpos curpos; // Last position sent to callback
wsData(Xapian::Document &d) : doc(d), basepos(1), curpos(0)
{}
};
bool splitCb(void *cdata, const std::string &term, int pos)
{
wsData *data = (wsData*)cdata;
cerr << "splitCb: term " << term << endl;
try {
// 1 is the value for wdfinc in index_text when called from omindex
// TOBEDONE: check what this is used for
data->curpos = pos;
data->doc.add_posting(term, data->basepos + data->curpos, 1);
string printable;
transcode(term, printable, "UTF-8", "ISO8859-1");
cerr << "Adding " << printable << endl;
} catch (...) {
cerr << "Error occurred during add_posting" << endl;
return false;
}
return true;
}
bool Rcl::Db::add(const string &fn, const Rcl::Doc &doc)
{
return true;
if (pdata == 0)
return false;
Native *ndb = (Native *)pdata;
Xapian::Document newdocument;
// Document data record. omindex has the following nl separated fields:
// - url
// - sample
// - caption (title limited to 100 chars)
// - mime type
string record = "url=file:/" + fn;
record += "\nmtime=" + doc.mtime;
record += "\nsample=";
record += "\ncaption=" + doc.title;
record += "\nmtype=" + doc.mimetype;
record += "\n";
newdocument.set_data(record);
// TOBEDONE:
// Need to add stuff here to unaccent and lowercase the data: use unac
// for accents, and do it by hand for upper / lower. Note lowercasing is
// only for ascii letters anyway, so it's just A-Z -> a-z
wsData splitData(newdocument);
TextSplit splitter(splitCb, &splitData);
splitter.text_to_words(doc.title);
splitData.basepos += splitData.curpos + 100;
splitter.text_to_words(doc.text);
splitData.basepos += splitData.curpos + 100;
splitter.text_to_words(doc.keywords);
splitData.basepos += splitData.curpos + 100;
splitter.text_to_words(doc.abstract);
newdocument.add_term("T" + doc.mimetype);
newdocument.add_term("P" + fn);
#if 0
if (dupes == DUPE_replace) {
// If this document has already been indexed, update the existing
// entry.
try {
Xapian::docid did = db.replace_document(urlterm, newdocument);
if (did < updated.size()) {
updated[did] = true;
cout << "updated." << endl;
} else {
cout << "added." << endl;
}
} catch (...) {
// FIXME: is this ever actually needed?
db.add_document(newdocument);
cout << "added (failed re-seek for duplicate)." << endl;
}
} else
#endif
{
ndb->wdb.add_document(newdocument);
// cout << "added." << endl;
}
return true;
}
@@ -140,5 +240,3 @@ bool Rcl::Db::needUpdate(const string &filename, const struct stat *stp)
// - fetch doc (get_document(docid)
// - check date field, maybe skip
}
+5 -3
View File
@@ -1,6 +1,6 @@
#ifndef _DB_H_INCLUDED_
#define _DB_H_INCLUDED_
/* @(#$Id: rcldb.h,v 1.2 2004-12-15 15:00:36 dockes Exp $ (C) 2004 J.F.Dockes */
/* @(#$Id: rcldb.h,v 1.3 2004-12-17 13:01:01 dockes Exp $ (C) 2004 J.F.Dockes */
#include <string>
@@ -13,11 +13,13 @@ namespace Rcl {
*/
class Doc {
public:
string mimetype;
string mtime; // Modification time as decimal ascii
string origcharset;
string title;
string abstract;
string keywords;
string text;
string keywords;
string abstract;
};
/**