doc + got rid of unused defaultlanguage config param

This commit is contained in:
dockes 2006-01-10 11:07:21 +00:00
parent 17a715d71c
commit 4e37355bd6
4 changed files with 263 additions and 79 deletions

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@ -1,6 +1,6 @@
#ifndef _RCLCONFIG_H_INCLUDED_
#define _RCLCONFIG_H_INCLUDED_
/* @(#$Id: rclconfig.h,v 1.10 2006-01-04 11:33:44 dockes Exp $ (C) 2004 J.F.Dockes */
/* @(#$Id: rclconfig.h,v 1.11 2006-01-10 11:07:21 dockes Exp $ (C) 2004 J.F.Dockes */
#include <list>
@ -37,7 +37,6 @@ class RclConfig {
{
keydir = dir;
conf->get("defaultcharset", defcharset, keydir);
conf->get("defaultlanguage", deflang, keydir);
string str;
conf->get("guesscharset", str, keydir);
guesscharset = stringToBool(str);
@ -63,7 +62,6 @@ class RclConfig {
string getMimeIconName(const string &mtype);
const string &getDefCharset() {return defcharset;}
const string &getDefLang() {return deflang;}
bool getGuessCharset() {return guesscharset;}
std::list<string> getAllMimeTypes();
@ -81,7 +79,6 @@ class RclConfig {
// Parameters auto-fetched on setkeydir
string defcharset; // These are stored locally to avoid
string deflang; // a config lookup each time.
bool guesscharset; // They are fetched initially or on setKeydir()
};

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@ -24,10 +24,10 @@
Dockes</holder>
</copyright>
<releaseinfo>$Id: usermanual.sgml,v 1.1 2006-01-04 11:09:53 dockes Exp $</releaseinfo>
<releaseinfo>$Id: usermanual.sgml,v 1.2 2006-01-10 11:07:21 dockes Exp $</releaseinfo>
<abstract>
<para>The &RCL; user manual introduces full text search notions
<para>This document introduces full text search notions
and describes the installation and use of the &RCL; application.</para>
</abstract>
@ -40,8 +40,8 @@
<sect1 id="rcl.introduction.tryit">
<title>Giving it a try</title>
<para>If you do not like reading manuals and would like to give
&RCL; a try, just perform <link
<para>If you do not like reading manuals (who does?) and would
like to give &RCL; a try, just perform <link
linkend="rcl.install">installation</link> and start the
<command>recoll</command> user interface, which will index your
home directory and let you search it right after.</para>
@ -62,13 +62,14 @@
<sect1 id="rcl.introduction.search">
<title>Full text search</title>
<para>Full text search applications allow you to find your data
by content rather than by external attributes (like a file
name). More specifically, they will let you specify words
(terms) that should or should not appear in the text you are
looking for, and return a list of matching documents, ordered
so that the most <emphasis>relevant</emphasis> documents will
appear first.</para>
<para>&RCL; is a full text search application. Full text search
applications let you find your data by content rather
than by external attributes (like a file name). More
specifically, they will let you specify words (terms) that
should or should not appear in the text you are looking for,
and return a list of matching documents, ordered so that the
most <emphasis>relevant</emphasis> documents will appear
first.</para>
<para>You do not need to remember in what file or email message you
stored a given piece of information. You just ask for related
@ -84,17 +85,17 @@
guess is probably the most important element for a search
application.</para>
<para>In many cases, one is looking for all the forms of a word,
not for a specific form or spelling. These different forms may include
plurals, different tenses for a verb, or terms derived from
the same root or <emphasis>stem</emphasis> (exemple: floor,
floors, floored, floorings...). &RCL; will by default expand
queries to all such related terms (words that reduce to the
same stem). This expansion can be disabled at search
time.</para>
<para>In many cases, you are looking for all the forms of a
word, not for a specific form or spelling. These different
forms may include plurals, different tenses for a verb, or
terms derived from the same root or <emphasis>stem</emphasis>
(exemple: floor, floors, floored, floorings...). &RCL; will by
default expand queries to all such related terms (words that
reduce to the same stem). This expansion can be disabled at
search time.</para>
<para>Stemming, by itself, does not provide for misspellings or
phonetic searches. &RCL; does not support these currently.</para>
phonetic searches. &RCL; currently does not support these.</para>
</sect1>
@ -102,7 +103,7 @@
<sect1 id="rcl.introduction.recoll">
<title>Recoll overview</title>
<para>&RCL; is a full text search application which uses the
<para>&RCL; uses the
<ulink url="http://www.xapian.org">&XAP;</ulink> information retrieval
library as its storage and retrieval engine. &XAP; is a very
mature package using <ulink
@ -126,11 +127,11 @@
<para>Stemming depends on the document language. &RCL; stores
the unstemmed versions of terms and uses auxiliary databases for
term expansion. It can switch stemming languages without reindexing.
Storing documents in different languages in the same
database is possible, and useful in practice, but does introduce
possibilities of confusion. &RCL; makes no attempt at automatic
language recognition.</para>
term expansion. It can switch stemming languages, or add a
language, without reindexing. Storing documents in different
languages in the same database is possible, and useful in
practice, but does introduce possibilities of confusion. &RCL;
makes no attempt at automatic language recognition.</para>
<para>&RCL; has many parameters which define exactly what to
index, and how to classify and decode the source
@ -146,9 +147,9 @@
<para><link linkend="rcl.indexing.exec">Indexation</link> is started
automatically the first time you execute the
<command>recoll</command> search graphical user interface, or by
executing the <command>recollindex</command>.</para>
executing the <command>recollindex</command> command.</para>
<para><link linkend="rcl.searching">Searches</link> are
<para><link linkend="rcl.search">Searches</link> are
performed inside the <command>recoll</command>
program, which has many options to help you find what you are
looking for.</para>
@ -168,12 +169,14 @@
is normally incremental: documents will only be processed if
they have been modified. On the first execution, of course, all
documents will need processing. A full index build can be forced
later on by specifying an option to the indexation command.</para>
later on by specifying an option to the indexation command
(<command>recollindex -z</command>).</para>
<para>&RCL; indexation takes place at discrete times. There is no
<para>&RCL; indexation takes place at discrete times. There is
currently no interface to real time file modification
monitors. The typical usage is to have a nightly indexation run
programmed into your <command>cron</command> file.</para>
<link linkend="rcl.indexing.automat">programmed</link> into your
<command>cron</command> file.</para>
<para>&RCL; knows about quite a few different document
types. The parameters for document types recognition and
@ -184,13 +187,19 @@
many individually indexed documents.
</para>
<para>&RCL; indexation processes plain text, HTML, openoffice
and e-mail files internally. Other types (ie: postscript, pdf,
ms-word, rtf) need external applications for preprocessing. The
list is in the <link
linkend="rcl.install.building.prereqs">installation</link>
section.</para>
<para>Without further configuration, &RCL; will index all
appropriate files from your home directory, with a reasonable
set of defaults, if you live in western Europe or the USA. If
your normal character set is not iso8859-1, you almost certainly
need to adjust the configuration.</para>
</sect1>
<sect1 id="rcl.indexing.config">
@ -208,9 +217,9 @@
<guilabel>Cancel</guilabel> when the program asks if it should
start initial indexation.</para>
<para>You can also have a look to the <link
linkend="rcl.install.config">configuration overview</link> inside
the installation chapter of this document.</para>
<para>The configuration is also documented inside the <link
linkend="rcl.install.config.recollconf">installation chapter</link> of
this document, or in the recoll.conf(5) man page.</para>
</sect1>
@ -229,7 +238,7 @@
<para>It is best to avoid interrupting the indexation process, as
this may sometimes leave the database in a bad state. This is
not a serious problem, as you then just need to clear
everything and restart the indexation. The database files are
everything and restart the indexation: the database files are
normally stored in the <filename>$HOME/.recoll/xapiandb</filename>
directory,
which you can just delete if needed. Alternatively, you can
@ -259,10 +268,14 @@
</chapter>
<chapter id="rcl.searching">
<title>Searching</title>
<chapter id="rcl.search">
<title>Search</title>
<sect1 id="rcl.searching.simple">
<para>The <command>recoll</command> program provides the user
interface for searching. It is based on the
<application>QT</application> library.</para>
<sect1 id="rcl.search.simple">
<title>Simple search</title>
<para>Start the <command>recoll</command> program, then
@ -287,12 +300,12 @@
<para>By default, the document list is presented in order of
relevance (how well the system estimates that the document
matches the query). You can specify a different ordering by
using the <guilabel>Tools</guilabel>
/ <guilabel>Sort parameters</guilabel> dialog.</para>
using the <link linkend="rcl.search.sort"><guilabel>Tools</guilabel>
/ <guilabel>Sort parameters</guilabel></link> dialog.</para>
</sect1>
<sect1 id="rcl.searching.complex">
<sect1 id="rcl.search.complex">
<title>Complex/advanced search</title>
<para>The advanced search dialog has fields that will allow a more
@ -308,10 +321,13 @@
<para>It will let you restrict the search results to a subtree of
the indexed area.</para>
<para>In other respects, it works like the simple search.</para>
<para>Click on the <guilabel>Start Search</guilabel> button in
the advanced search dialog to start the search. The button in
the main window always performs a simple search.</para>
</sect1>
<sect1 id="rcl.searching.history">
<sect1 id="rcl.search.history">
<title>Document history</title>
<para>Documents that you actually view (with the internal preview
@ -322,7 +338,26 @@
</sect1>
<sect1 id="rcl.searching.tips">
<sect1 id="rcl.search.sort">
<title>Result list sorting</title>
<para>The documents in a result list are normally sorted in
order of relevance. It is possible to specify different sort
parameters by using the <guimenu>Sort parameters</guimenu>
dialog (located in the <guimenu>Tools</guimenu>
menu).</para>
<para>The tool sorts a specified number of the most
relevant documents in the result list, according to
specified criteria. The currently available criteria are
<emphasis>date</emphasis> and <emphasis>mime type</emphasis>.</para>
<para>The sort parameters stay in effect until they are explicitely
reset, or the program exits.</para>
</sect1>
<sect1 id="rcl.search.tips">
<title>Search tips, shortcuts</title>
<formalpara><title>Disabling stem expansion</title>
@ -331,7 +366,7 @@
<literal>gardening</literal> if you enter
<literal>Garden</literal> instead of
<literal>garden</literal>). This is the only case where
character case will make a difference for a &RCL;
character case should make a difference for a &RCL;
search.</para>
</formalpara>
<formalpara><title>Phrases</title>
@ -354,8 +389,28 @@
</formalpara>
</sect1>
</chapter>
<sect1 id="rcl.search.custom">
<title>Customising the search interface</title>
<para>It is possible to customise some aspects of the search
interface by using <guimenu>Query configuration</guimenu> entry
in the <guimenu>Preferences</guimenu> menu.</para>
<para>There are two tabs in the dialog, to modify the appearance
of the user interface (result list appearance), or the
parameters used for searching (language used for stem
expansion).</para>
<para>The stemming language can be chosen among those that were
specified in the configuration file, or later added with
<command>recollindex -s</command> (See the recollindex
manual). Stemming languages which are dynamically added will be
deleted at the next indexation pass unless they are also added in
the configuration file.</para>
</sect1>
</chapter>
<chapter id="rcl.install">
@ -493,9 +548,12 @@
<sect1 id="rcl.install.config">
<title>Configuration overview</title>
<para>The personal configuration files and the database are kept in
the <filename>.recoll</filename> directory in your
home. If this directory does not exist when
<para>The personal configuration files and the database are
normally kept in
the <filename>.recoll</filename> directory in your home (this
can be changed with the <literal>RECOLL_CONFDIR</literal>
environment variable, and a parameter inside the main
configuration file). If this directory does not exist when
<command>recoll</command> or
<command>recollindex</command> are started, the
directory will be created and the sample configuration files will
@ -504,13 +562,6 @@
indexation. <command>recollindex</command> will
proceed immediately.</para>
<para>&RCL; uses text
configuration files. You will have to edit them by hand for
now (there is still some hope for a GUI configuration tool
in the future). The most accurate documentation for the
configuraton parameters is given by comments inside the sample
files, and we will just give a general overview here.</para>
<para>Most of the parameters specific to the
<command>recoll</command> GUI are set through the
<guilabel>Preferences</guilabel> menu and stored in the
@ -518,15 +569,58 @@
(<filename>$HOME/.qt/recollrc</filename>). You probably do not
want to edit this by hand.</para>
<para>For other options, &RCL; uses text configuration
files. You will have to edit them by hand for
now (there is still some hope for a GUI configuration tool
in the future). The most accurate documentation for the
configuration parameters is given by comments inside the sample
files, and we will just give a general overview here.</para>
<para>All configuration files share the same format. For
exemple, a short extract of the main configuration file might
look as follows:</para>
<programlisting>
# Space-separated list of directories to index.
topdirs = ~/docs /usr/share/doc
[~/somedirectory-with-utf8-txt-files]
defaultcharset = utf-8
</programlisting>
<para>There are three kinds of lines: </para>
<itemizedlist>
<listitem><para>Comment (starts with
<emphasis>#</emphasis>) or empty.</para>
</listitem>
<listitem><para>Parameter affectation (<emphasis>name =
value</emphasis>).</para>
</listitem>
<listitem><para>Section definition
([<emphasis>somedirname</emphasis>]).</para>
</listitem>
</itemizedlist>
<para>Section lines allow redefining some parameters for a
directory subtree. Some of the parameters used for indexation
are looked up hierarchically from the more to the less
specific. Not all parameters can be meaningfully redefined,
this is specified for each in the next section. </para>
<para>The tilde character (~) is expanded in file names to the
name of the user's home directory.</para>
<para>White space is used for separation inside lists.
Elements with embedded spaces can be quoted using
double-quotes.</para>
<sect2 id="rcl.install.config.recollconf">
<title>Main configuration file</title>
<para><filename>~/.recoll/recoll.conf</filename> is the main
configuration file. It defines
configuration file. It defines things like
what to index (top directories and things to ignore), and the
default character set to use (for document types which do not
specify it internally). The default character set can be
specified separately for any directory subtree.</para>
default character set to use for document types which do not
specify it internally. </para>
<para>The default configuration will index your home
directory. If this is not appropriate, use
@ -535,8 +629,103 @@
the configuration file before restarting the command. This
will start the initial indexation, which may take some time.</para>
<para>There are also miscellaneous other parameters inside
<filename>recoll.conf</filename>. Explore and enjoy :)</para>
<para>Paramers:</para>
<variablelist>
<varlistentry><term><literal>topdirs</literal></term>
<listitem><para>Specifies the list of directories to index
(recursively).</para>
</listitem>
</varlistentry>
<varlistentry><term><literal>skippedNames</literal></term>
<listitem><para>A space-separated list of patterns for
names of files or directories that should be completely
ignored. The list defined in the default file is:
<programlisting>
*~ #* bin CVS Cache caughtspam tmp
</programlisting>
The list can be redefined for subdirectories, but is only
actually changed for the top level ones in
<emphasis>topdirs</emphasis></para>
</listitem>
</varlistentry>
<varlistentry><term><literal>loglevel</literal></term>
<listitem><para>Verbosity level for recoll and
recollindex. A value of 4 lists quite a lot of
debug/information messages. 3 only lists errors. </para>
</listitem>
</varlistentry>
<varlistentry><term><literal>logfilename</literal></term>
<listitem><para>Where should the messages go. 'stderr' can
be used as a special value. </para>
</listitem>
</varlistentry>
<varlistentry><term><literal>filtersdir</literal></term>
<listitem><para>A directory to search for the external
filter scripts used to index some types of files. The
value should not be changed, except if you want to modify
one of the default scripts. The value can be redefined for
any subdirectory. </para>
</listitem>
</varlistentry>
<varlistentry><term><literal>indexstemminglanguages</literal></term>
<listitem><para>A list of languages for which the stem
expansion databases will be built. See recollindex(1) for
possible values. You can add a stem expansion database for
a different language by using <command>recollindex
-s</command>, but it will be deleted during the next
indexation. Only languages listed in the configuration
file are permanent.</para>
</listitem>
</varlistentry>
<varlistentry><term><literal>iconsdir</literal></term>
<listitem><para>The name of the directory where
<command>recoll</command> result list icons are
stored. You can change this if you want different
images.</para>
</listitem>
</varlistentry>
<varlistentry><term><literal>dbdir</literal></term>
<listitem><para>The name of the Xapian database
directory. It will be created if needed when the database
is initialized. </para>
</listitem>
</varlistentry>
<varlistentry><term><literal>defaultcharset</literal></term>
<listitem><para>The name of the character set used for
files that do not contain a character set definition (ie:
plain text files). This can be redefined for any
subdirectory.</para>
<varlistentry><term><literal>guesscharset</literal></term>
<listitem><para>Decide if we try to guess the character
set of files if no internal value is available (ie: for
plain text files). This does not work well in general, and
should probably not be used. </para>
</listitem>
</varlistentry>
<varlistentry><term><literal>usesystemfilecommand</literal></term>
<listitem><para>Decide if we use the <command>file -i</command>
system command as a final step for determining the mime
type for a file (the main procedure uses suffix
associations as defined in the <filename>mimemap</filename>
file). This can be useful for files with suffixless names,
but it will also cause the indexation of many bogus "text"
files.</para>
</listitem>
</varlistentry>
</variablelist>
</sect2>

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@ -1,5 +1,5 @@
#ifndef lint
static char rcsid[] = "@(#$Id: recollindex.cpp,v 1.14 2006-01-09 16:53:31 dockes Exp $ (C) 2004 J.F.Dockes";
static char rcsid[] = "@(#$Id: recollindex.cpp,v 1.15 2006-01-10 11:07:21 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
#include <stdio.h>
@ -84,22 +84,22 @@ static int op_flags;
static const char usage [] =
"\n"
"recollindex [-hz] \n"
" Normal index run\n"
"recollindex [-h] \n"
" Print help\n"
"recollindex [-z] \n"
" Index everything according to configuration file\n"
" -z : reset database before starting indexation\n"
"recollindex -i <filename [filename ...]>\n"
" Index individual files. No db purge or stem database updates\n"
" Index individual files. No database purge or stem database updates\n"
"recollindex -s <lang>\n"
" Build stem database for language <lang>\n"
"Options:\n"
" -h : print this message\n"
" -z : reset database before starting indexation\n\n"
" Build stem database for additional language <lang>\n"
;
static void
Usage(void)
{
FILE *fp = (op_flags & OPT_h) ? stdout : stderr;
fprintf(fp, "%s: usage: %s", thisprog, usage);
fprintf(fp, "%s: Usage: %s", thisprog, usage);
exit((op_flags & OPT_h)==0);
}

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@ -1,4 +1,4 @@
# @(#$Id: recoll.conf.in,v 1.5 2005-12-15 14:39:58 dockes Exp $ (C) 2004 J.F.Dockes
# @(#$Id: recoll.conf.in,v 1.6 2006-01-10 11:07:21 dockes Exp $ (C) 2004 J.F.Dockes
#
# Recoll default configuration file. This should be copied to
# ~/.recoll/recoll.conf
@ -41,8 +41,6 @@ dbdir = ~/.recoll/xapiandb
# below). Used when converting to utf-8 (internal storage format), so it
# may be quite important for pure text files.
defaultcharset = iso-8859-1
# defaultlanguage is currently not used by the program.
defaultlanguage = english
# Guessing charsets usually does not work well
guesscharset = 0