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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 <rawstr4.h>
#include <rawld4.h>
SWORD_NAMESPACE_START
/******************************************************************************
* 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
*/
RawLD4::RawLD4(const char *ipath, const char *iname, const char *idesc, SWDisplay *idisp, SWTextEncoding enc, SWTextDirection dir, SWTextMarkup mark, const char* ilang) : RawStr4(ipath), SWLD(iname, idesc, idisp, enc, dir, mark, ilang)
{
}
/******************************************************************************
* RawLD Destructor - Cleans up instance of RawLD
*/
RawLD4::~RawLD4()
{
}
/******************************************************************************
* RawLD4::strongsPad - Pads a key if it is 100% digits to 5 places
*
* ENT: buf - buffer to check and pad
*/
void RawLD4::strongsPad(char *buf)
{
const char *check;
long 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));
}
}
/******************************************************************************
* RawLD4::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 RawLD4::getEntry(long away)
{
long start = 0;
unsigned long 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))) {
readtext(start, &size, &idxbuf, &entrybuf);
rawFilter(entrybuf, size, 0); // hack, decipher
rawFilter(entrybuf, size*FILTERPAD, key);
entrySize = size; // support getEntrySize call
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;
}
/******************************************************************************
* RawLD4::getRawEntry - Returns the correct entry when char * cast
* is requested
*
* RET: string buffer with entry
*/
char *RawLD4::getRawEntry() {
char ret = getEntry();
if (!ret) {
if (!isUnicode())
preptext(entrybuf);
}
else error = ret;
return entrybuf;
}
/******************************************************************************
* RawLD4::increment - Increments module key a number of entries
*
* ENT: increment - Number of entries to jump forward
*
* RET: *this
*/
void RawLD4::increment(int steps) {
char tmperror;
if (key->Traversable()) {
*key += steps;
error = key->Error();
steps = 0;
}
tmperror = (getEntry(steps)) ? KEYERR_OUTOFBOUNDS : 0;
error = (error)?error:tmperror;
*key = entkeytxt;
}
void RawLD4::setEntry(const char *inbuf, long len) {
setText(*key, inbuf, len);
}
void RawLD4::linkEntry(const SWKey *inkey) {
linkentry(*key, *inkey);
}
/******************************************************************************
* RawFiles::deleteEntry - deletes this entry
*
* RET: *this
*/
void RawLD4::deleteEntry() {
setText(*key, "");
}
SWORD_NAMESPACE_END
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