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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 <zstr.h>
#include <zld.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
*/
zLD::zLD(const char *ipath, const char *iname, const char *idesc, long blockCount, SWCompress *icomp, SWDisplay *idisp, SWTextEncoding enc, SWTextDirection dir, SWTextMarkup mark, const char* ilang) : zStr(ipath, -1, blockCount, icomp), SWLD(iname, idesc, idisp, enc, dir, mark, ilang) {
}
/******************************************************************************
* RawLD Destructor - Cleans up instance of RawLD
*/
zLD::~zLD() {
}
/******************************************************************************
* zLD::strongsPad - Pads a key if it is 100% digits to 5 places
*
* ENT: buf - buffer to check and pad
*/
void zLD::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));
}
}
/******************************************************************************
* zLD::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 zLD::getEntry(long away) {
char *idxbuf = 0;
char *ebuf = 0;
char retval = 0;
long index;
unsigned long size;
char *buf = new char [ strlen(*key) + 6 ];
strcpy(buf, *key);
strongsPad(buf);
*entrybuf = 0;
if (!(retval = findKeyIndex(buf, &index, away))) {
getText(index, &idxbuf, &ebuf);
size = strlen(ebuf) + 1;
entrybuf = new char [ size * FILTERPAD ];
strcpy(entrybuf, ebuf);
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.
free(idxbuf);
free(ebuf);
}
else {
entrybuf = new char [ 5 ];
entrybuf[0] = 0;
entrybuf[1] = 0;
}
delete [] buf;
return retval;
}
/******************************************************************************
* zLD::getRawEntry - Returns the correct entry when char * cast
* is requested
*
* RET: string buffer with entry
*/
char *zLD::getRawEntry() {
if (!getEntry() && !isUnicode()) {
prepText(entrybuf);
}
return entrybuf;
}
/******************************************************************************
* zLD::increment - Increments module key a number of entries
*
* ENT: increment - Number of entries to jump forward
*
* RET: *this
*/
void zLD::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 zLD::setEntry(const char *inbuf, long len) {
setText(*key, inbuf, len);
}
void zLD::linkEntry(const SWKey *inkey) {
zStr::linkEntry(*key, *inkey);
}
/******************************************************************************
* RawFiles::deleteEntry - deletes this entry
*
* RET: *this
*/
void zLD::deleteEntry() {
setText(*key, "");
}
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