alx/mu4e
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

* add date-range searches using date:/d:

Browse Source
This commit is contained in:
Dirk-Jan C. Binnema
2010-11-21 18:12:01 +02:00
parent c1203dd047
commit e0cada86d6
5 changed files with 88 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
src/mu-query.cc
View File

@ -1,4 +1,4 @@
/*
make/*
** Copyright (C) 2008-2010 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
** This program is free software; you can redistribute it and/or modify
@ -32,12 +32,36 @@
#include "mu-util-db.h"
#include "mu-msg-str.h"
struct ISODateRangeProcessor : public Xapian::ValueRangeProcessor {
ISODateRangeProcessor() {}
Xapian::valueno operator()(std::string &begin, std::string &end) {
static const std::string colon (":");
static const std::string name (
mu_msg_field_name (MU_MSG_FIELD_ID_DATE) + colon);
static const std::string shortcut (
std::string(1, mu_msg_field_shortcut
(MU_MSG_FIELD_ID_DATE)) + colon);
if (begin.find (name) == 0)
begin.erase (0, name.length());
else if (begin.find (shortcut) == 0)
begin.erase (0, shortcut.length());
else
return Xapian::BAD_VALUENO;
return (Xapian::valueno)MU_MSG_FIELD_ID_DATESTR;
}
};
static void add_prefix (MuMsgFieldId field, Xapian::QueryParser* qparser);
struct _MuQuery {
Xapian::Database* _db;
Xapian::QueryParser* _qparser;
Xapian::Sorter* _sorters[MU_MSG_FIELD_TYPE_NUM];
Xapian::Database* _db;
Xapian::QueryParser* _qparser;
Xapian::Sorter* _sorters[MU_MSG_FIELD_TYPE_NUM];
Xapian::ValueRangeProcessor* _range_processor;
};
gboolean
@ -52,8 +76,11 @@ init_mu_query (MuQuery *mqx, const char* dbpath)
mqx->_qparser->set_database (*mqx->_db);
mqx->_qparser->set_default_op (Xapian::Query::OP_AND);
//mqx->_qparser->set_stemming_strategy (Xapian::QueryParser::STEM_NONE);
mqx->_range_processor = new ISODateRangeProcessor ();
mqx->_qparser->add_valuerangeprocessor
(mqx->_range_processor);
memset (mqx->_sorters, 0, sizeof(mqx->_sorters));
mu_msg_field_foreach ((MuMsgFieldForEachFunc)add_prefix,
(gpointer)mqx->_qparser);
@ -88,7 +115,8 @@ uninit_mu_query (MuQuery *mqx)
try {
delete mqx->_db;
delete mqx->_qparser;
delete mqx->_range_processor;
for (int i = 0; i != MU_MSG_FIELD_TYPE_NUM; ++i)
delete mqx->_sorters[i];