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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.)
*/
#include <swkey.h>
#include <utilfuns.h>
#include <string.h>
static const char *classes[] = {"SWKey", "SWObject", 0};
SWClass SWKey::classdef(classes);
/******************************************************************************
* SWKey Constructor - initializes instance of SWKey
*
* ENT: ikey - text key
*/
SWKey::SWKey(const char *ikey)
{
index = 0;
persist = 0;
keytext = 0;
error = 0;
stdstr(&keytext, ikey);
init();
}
SWKey::SWKey(SWKey const &k)
{
index = k.index;
persist = k.persist;
userData = k.userData;
keytext = 0;
error = k.error;
stdstr(&keytext, k.keytext);
init();
}
void SWKey::init() {
myclass = &classdef;
}
SWKey *SWKey::clone() const
{
return new SWKey(*this);
}
/******************************************************************************
* SWKey Destructor - cleans up instance of SWKey
*/
SWKey::~SWKey() {
if (keytext)
delete [] keytext;
}
/******************************************************************************
* 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
*/
char SWKey::Persist() const
{
return persist;
}
/******************************************************************************
* SWKey::Persist - Set/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
*
* ENT: ipersist - value which to set persist
* [-1] - only get
*
* RET: value of persist
*/
char SWKey::Persist(signed char ipersist)
{
if (ipersist != -1)
persist = ipersist;
return persist;
}
/******************************************************************************
* SWKey::Error - Gets and clears error status
*
* RET: error status
*/
char SWKey::Error()
{
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());
setText((const char *)ikey);
}
/******************************************************************************
* SWKey::getText - returns text key if (char *) cast is requested
*/
const char *SWKey::getText() const {
return keytext;
}
/******************************************************************************
* 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;
}
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