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/******************************************************************************
* rawld.cpp - code for class 'RawLD'- a module that reads raw lexicon and
* dictionary files: *.dat *.idx
*/
#include <ctype.h>
#include <stdio.h>
#include <fcntl.h>
#ifndef __GNUC__
#include <io.h>
#else
#include <unistd.h>
#endif
#include <string.h>
#include <utilfuns.h>
#include <rawstr.h>
#include <rawld.h>
/******************************************************************************
* RawLD Constructor - Initializes data for instance of RawLD
*
* ENT: ipath - path and filename of files (no extension)
* iname - Internal name for module
* idesc - Name to display to user for module
* idisp - Display object to use for displaying
*/
RawLD::RawLD(const char *ipath, const char *iname, const char *idesc, SWDisplay *idisp, SWTextEncoding enc, SWTextDirection dir, SWTextMarkup mark, const char* ilang) : RawStr(ipath), SWLD(iname, idesc, idisp, enc, dir, mark, ilang)
{
}
/******************************************************************************
* RawLD Destructor - Cleans up instance of RawLD
*/
RawLD::~RawLD()
{
}
/******************************************************************************
* RawLD::strongsPad - Pads a key if it is 100% digits to 5 places
*
* ENT: buf - buffer to check and pad
*/
void RawLD::strongsPad(char *buf)
{
const char *check;
int size = 0;
int len = strlen(buf);
if ((len < 5) && (len > 0)) {
for (check = buf; *check; check++) {
if (!isdigit(*check))
break;
else size++;
}
if ((size == len) && size)
sprintf(buf, "%.5d", atoi(buf));
}
}
/******************************************************************************
* RawLD::getEntry - Looks up entry from data file. 'Snaps' to closest
* entry and sets 'entrybuf'.
*
* ENT: away - number of entries offset from key (default = 0)
*
* RET: error status
*/
char RawLD::getEntry(long away)
{
long start = 0;
unsigned short size = 0;
char *idxbuf = 0;
char retval = 0;
char *buf = new char [ strlen(*key) + 6 ];
strcpy(buf, *key);
strongsPad(buf);
*entrybuf = 0;
if (!(retval = findoffset(buf, &start, &size, away))) {
entrySize = size; // support getEntrySize call
if (entrybuf)
delete [] entrybuf;
entrybuf = new char [ ++size * FILTERPAD ];
idxbuf = new char [ size * FILTERPAD ];
gettext(start, size + 1, idxbuf, entrybuf);
if (!key->Persist()) // If we have our own key
*key = idxbuf; // reset it to entry index buffer
stdstr(&entkeytxt, idxbuf); // set entry key text that module 'snapped' to.
delete [] idxbuf;
}
else {
entrybuf = new char [ 5 ];
*entrybuf = 0;
}
delete [] buf;
return retval;
}
/******************************************************************************
* RawLD::operator char * - Returns the correct entry when char * cast
* is requested
*
* RET: string buffer with entry
*/
char *RawLD::getRawEntry() {
if (!getEntry() && !isUnicode()) {
preptext(entrybuf);
}
return entrybuf;
}
/******************************************************************************
* RawLD::operator += - Increments module key a number of entries
*
* ENT: increment - Number of entries to jump forward
*
* RET: *this
*/
SWModule &RawLD::operator +=(int increment)
{
char tmperror;
if (key->Traversable()) {
*key += increment;
error = key->Error();
increment = 0;
}
tmperror = (getEntry(increment)) ? KEYERR_OUTOFBOUNDS : 0;
error = (error)?error:tmperror;
*key = entkeytxt;
return *this;
}
/******************************************************************************
* RawLD::operator =(SW_POSITION) - Positions this key if applicable
*/
SWModule &RawLD::operator =(SW_POSITION p)
{
if (!key->Traversable()) {
switch (p) {
case POS_TOP:
*key = "";
break;
case POS_BOTTOM:
*key = "zzzzzzzzz";
break;
}
}
else *key = p;
return *this;
}
SWModule &RawLD::setentry(const char *inbuf, long len) {
settext(*key, inbuf, len);
return *this;
}
SWModule &RawLD::operator <<(const char *inbuf) {
return setentry(inbuf, 0);
}
SWModule &RawLD::operator <<(const SWKey *inkey) {
linkentry(*key, *inkey);
return *this;
}
/******************************************************************************
* RawFiles::deleteEntry - deletes this entry
*
* RET: *this
*/
void RawLD::deleteEntry() {
settext(*key, "");
}
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