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/******************************************************************************
*
* swkey.cpp - code for base class 'SWKey'. SWKey is the basis for all
* types of keys for indexing into modules (e.g. verse, word,
* place, etc.)
*
* $Id: swkey.cpp 2833 2013-06-29 06:40:28Z chrislit $
*
* Copyright 1997-2013 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
*/
#include <swkey.h>
#include <utilstr.h>
#include <string.h>
#include <localemgr.h>
SWORD_NAMESPACE_START
static const char *classes[] = {"SWKey", "SWObject", 0};
SWClass SWKey::classdef(classes);
SWKey::LocaleCache SWKey::localeCache;
/******************************************************************************
* SWKey Constructor - initializes instance of SWKey
*
* ENT: ikey - text key
*/
SWKey::SWKey(const char *ikey)
{
init();
index = 0;
persist = 0;
keytext = 0;
rangeText = 0;
error = 0;
userData = 0;
stdstr(&keytext, ikey);
}
SWKey::SWKey(SWKey const &k)
{
init();
stdstr(&localeName, k.localeName);
index = k.index;
persist = k.persist;
userData = k.userData;
keytext = 0;
rangeText = 0;
error = k.error;
setText(k.getText());
}
void SWKey::init() {
myclass = &classdef;
boundSet = false;
locale = 0;
localeName = 0;
setLocale(LocaleMgr::getSystemLocaleMgr()->getDefaultLocaleName());
}
SWKey *SWKey::clone() const
{
return new SWKey(*this);
}
/******************************************************************************
* SWKey Destructor - cleans up instance of SWKey
*/
SWKey::~SWKey() {
delete [] keytext;
delete [] rangeText;
delete [] localeName;
}
/******************************************************************************
* SWKey::Persist - Gets whether this object itself persists within a
* module that it was used to setKey or just a copy.
* (1 - persists in module; 0 - a copy is attempted
*
* RET: value of persist
*/
bool SWKey::isPersist() const
{
return persist;
}
/******************************************************************************
* SWKey::getPrivateLocale - Gets a real locale object from our name
*
* RET: locale object associated with our name
*/
SWLocale *SWKey::getPrivateLocale() const {
if (!locale) {
if ((!localeCache.name) || (strcmp(localeCache.name, localeName))) {
stdstr(&(localeCache.name), localeName);
// this line is the entire bit of work we're trying to avoid with the cache
// worth it? compare time examples/cmdline/search KJV "God love world" to
// same with this method reduced to:
// if (!local) local = ... (call below); return locale;
localeCache.locale = LocaleMgr::getSystemLocaleMgr()->getLocale(localeName);
}
locale = localeCache.locale;
}
return locale;
}
/******************************************************************************
* SWKey::Persist - Set/gets whether this object itself persists within a
* module that it was used to setKey or just a copy.
* (true - persists in module; false - a copy is attempted
*
* ENT: ipersist - value which to set persist
*/
void SWKey::setPersist(bool ipersist)
{
persist = ipersist;
}
/******************************************************************************
* SWKey::Error - Gets and clears error status
*
* RET: error status
*/
char SWKey::popError()
{
char retval = error;
error = 0;
return retval;
}
/******************************************************************************
* SWKey::setText Equates this SWKey to a character string
*
* ENT: ikey - other swkey object
*/
void SWKey::setText(const char *ikey) {
stdstr(&keytext, ikey);
}
/******************************************************************************
* SWKey::copyFrom Equates this SWKey to another SWKey object
*
* ENT: ikey - other swkey object
*/
void SWKey::copyFrom(const SWKey &ikey) {
// not desirable Persist(ikey.Persist());
setLocale(ikey.getLocale());
setText((const char *)ikey);
}
/******************************************************************************
* SWKey::getText - returns text key if (const char *) cast is requested
*/
const char *SWKey::getText() const {
return keytext;
}
/******************************************************************************
* SWKey::getRangeText - returns parsable range text for this key
*/
const char *SWKey::getRangeText() const {
stdstr(&rangeText, keytext);
return rangeText;
}
/******************************************************************************
* SWKey::getOSISRefRangeText - returns parsable range text for this key
*/
const char *SWKey::getOSISRefRangeText() const {
return getRangeText();
}
/******************************************************************************
* SWKey::compare - Compares another VerseKey object
*
* ENT: ikey - key to compare with this one
*
* RET: > 0 if this key is greater than compare key
* < 0
* 0
*/
int SWKey::compare(const SWKey &ikey)
{
return strcmp((const char *)*this, (const char *)ikey);
}
/******************************************************************************
* SWKey::setPosition(SW_POSITION) - Positions this key if applicable
*/
void SWKey::setPosition(SW_POSITION p) {
switch (p) {
case POS_TOP:
// *this = "";
break;
case POS_BOTTOM:
// *this = "zzzzzzzzz";
break;
}
}
/******************************************************************************
* SWKey::increment - Increments key a number of entries
*
* ENT: increment - Number of entries to jump forward
*
* RET: *this
*/
void SWKey::increment(int) {
error = KEYERR_OUTOFBOUNDS;
}
/******************************************************************************
* SWKey::decrement - Decrements key a number of entries
*
* ENT: decrement - Number of entries to jump backward
*
* RET: *this
*/
void SWKey::decrement(int) {
error = KEYERR_OUTOFBOUNDS;
}
SWORD_NAMESPACE_END
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