aboutsummaryrefslogtreecommitdiffstats
path: root/utilities/step2vpl.cpp
blob: 06e0aebe873d7cec0c55dd4b29b49246f925bfcd (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
#include <iostream>
#include <string>
#include <stdio.h>

#include <fcntl.h>

#ifndef __GNUC__
#include <io.h>
#else
#include <unistd.h>
#endif

#include <lzsscomprs.h>

#ifndef O_BINARY
#define O_BINARY 0
#endif

using namespace std;
#ifndef NO_SWORD_NAMESPACE
using namespace sword;
#endif

long SECTIONSLEVELSTART = 38;
long SECTIONSLEVELSIZE = 29;

long VIEWABLEBLOCKSTART = 0;
long VIEWABLEBLOCKSIZE = 0;

typedef struct {
	short versionRecordSize;
	short publisherID;
	short bookID;
	short setID;
	char conversionProgramVerMajor;
	char conversionProgramVerMinor;
	char leastCompatSTEPVerMajor;
	char leastCompatSTEPVerMinor;
	char encryptionType;
	char editionID;
	short modifiedBy;
} Version;

typedef struct {
	short sectionsHeaderRecordSize;
	long levelEntriesCount; // this is listed as nonGlossBlocksCount in spec!
	long glossEntriesCount;
	short levelEntriesSize;
	long reserved;
} SectionsHeader;

typedef struct {
	short viewableHeaderRecordSize;
	long viewableBlocksCount; // this is listed as nonGlossBlocksCount in spec!
	long glossBlocksCount;
	char compressionType; // 0 - none; 1 - LZSS
	char reserved1;
	short blockEntriesSize;
	short reserved2;
} ViewableHeader;

typedef struct {
	short vSyncHeaderRecordSize;
	short startBookNumber;
	short endBookNumber;
	short bookPointerEntriesSize;
	short syncPointEntriesSize;
	long reserved1_1;
	short reserved1_2;
} VSyncHeader;

typedef struct {
	long offset;
	long uncompressedSize;
	long size;
} ViewableBlock;
		
typedef struct {
	long offset;	// offset into VSYNC.IDX to first VSyncPoint
	short count;	// number of VSyncPoints for this book
} VSyncBooksInfo;
		
typedef struct {
	short chapter;
	short verse;
	long offset;	// offset into SECTIONS.IDX
} VSyncPoint;

typedef struct {
	long parentOffset; // many of these are 0 if glossary
	long previousOffset; 
	long nextOffset;
	long viewableOffset;
	short startLevel;
	char level;
	long nameOffset;
	long outSync_1;
	short outSync_2;
} SectionLevelInfo;

void readVersion(int fd, Version *versionRecord);
void readHeaderControlWordAreaText(int fd, char **buf);
void readViewableHeader(int fd, ViewableHeader *viewableHeaderRecord);
void readVSyncHeader(int fd, VSyncHeader *vSyncHeaderRecord);
void readVSyncBooksInfo(int fd, VSyncHeader *, VSyncBooksInfo **vSyncBooksInfo);
void readViewableBlock(int fd, ViewableBlock *vb);
void readViewableBlockText(int fd, ViewableBlock *vb, char **buf);
void readSectionsHeader(int fd, SectionsHeader *sectionsHeaderRecord);
void readSectionLevelInfo(int fd, SectionLevelInfo *sli);
void readSectionName(int fd, SectionLevelInfo *sli, char **name);
void displayBook(int fdbook, int fdviewable, int fdvsync, int fdsections, VSyncBooksInfo *vSyncBooksInfo);
void extractVerseText(int fdviewable, int fdbook, SectionLevelInfo *sectionLevelInfo, char **verseText);
void cleanBuf(char *buf);

SWCompress *compress = 0;

int main(int argc, char **argv) {

	compress = new LZSSCompress();
	char *buf;
	Version versionRecord;
	VSyncHeader vSyncHeaderRecord;
	VSyncBooksInfo *vSyncBooksInfo;
	SectionsHeader sectionsHeaderRecord;
	ViewableHeader viewableHeaderRecord;
	

	if (argc < 2) {
		cerr << "usage: "<< *argv << " <database to step module>\n";
		exit (-1);
	}

	string bookpath = argv[1];
	string fileName;

	if ((argv[1][strlen(argv[1])-1] != '/') &&
		(argv[1][strlen(argv[1])-1] != '\\'))
		bookpath += "/";

	fileName = bookpath + "Book.dat";
	int fdbook = open(fileName.c_str(), O_RDONLY|O_BINARY);

	if (fdbook < 1) {
		cerr << "error, couldn't open file: " << fileName << "\n";
		exit (-2);
	}

	readVersion(fdbook, &versionRecord);
	readHeaderControlWordAreaText(fdbook, &buf);
	delete [] buf;


	fileName = bookpath + "Viewable.idx";
	int fdviewable = open(fileName.c_str(), O_RDONLY|O_BINARY);

	if (fdviewable < 1) {
		cerr << "error, couldn't open file: " << fileName << "\n";
		exit (-3);
	}

	readVersion(fdviewable, &versionRecord);
	readViewableHeader(fdviewable, &viewableHeaderRecord);

	VIEWABLEBLOCKSTART = lseek(fdviewable, 0, SEEK_CUR);
	VIEWABLEBLOCKSIZE = viewableHeaderRecord.blockEntriesSize;


	fileName = bookpath + "Vsync.idx";
	int fdvsync = open(fileName.c_str(), O_RDONLY|O_BINARY);

	if (fdvsync < 1) {
		cerr << "error, couldn't open file: " << fileName << "\n";
		exit (-4);
	}

	fileName = bookpath + "Sections.idx";
	int fdsections = open(fileName.c_str(), O_RDONLY|O_BINARY);

	if (fdsections < 1) {
		cerr << "error, couldn't open file: " << fileName << "\n";
		exit (-4);
	}
	readVersion(fdsections, &versionRecord);
	readSectionsHeader(fdsections, &sectionsHeaderRecord);
	SECTIONSLEVELSTART = lseek(fdsections, 0, SEEK_CUR);
	SECTIONSLEVELSIZE = sectionsHeaderRecord.levelEntriesSize;

	readVersion(fdvsync, &versionRecord);
	readVSyncHeader(fdvsync, &vSyncHeaderRecord);
	readVSyncBooksInfo(fdvsync, &vSyncHeaderRecord, &vSyncBooksInfo);
	int bookCount = vSyncHeaderRecord.endBookNumber - vSyncHeaderRecord.startBookNumber;
	for (int i = 0; i <= bookCount; i++) {
		displayBook(fdbook, fdviewable, fdvsync, fdsections, &vSyncBooksInfo[i]);
	}
		
	close(fdviewable);
	close(fdvsync);
	close(fdsections);
	close(fdbook);

}



void readVersion(int fd, Version *versionRecord) {

	read(fd, &(versionRecord->versionRecordSize), 2);
	read(fd, &(versionRecord->publisherID), 2);
	read(fd, &(versionRecord->bookID), 2);
	read(fd, &(versionRecord->setID), 2);
	read(fd, &(versionRecord->conversionProgramVerMajor), 1);
	read(fd, &(versionRecord->conversionProgramVerMinor), 1);
	read(fd, &(versionRecord->leastCompatSTEPVerMajor), 1);
	read(fd, &(versionRecord->leastCompatSTEPVerMinor), 1);
	read(fd, &(versionRecord->encryptionType), 1);
	read(fd, &(versionRecord->editionID), 1);
	read(fd, &(versionRecord->modifiedBy), 2);

	int skip = versionRecord->versionRecordSize - 16/*sizeof(struct Version*/;

	if (skip) {
		char *skipbuf = new char[skip];
		read(fd, skipbuf, skip);
		delete [] skipbuf;
	}
}


void readSectionsHeader(int fd, SectionsHeader *sectionsHeaderRecord) {

	read(fd, &(sectionsHeaderRecord->sectionsHeaderRecordSize), 2);
	read(fd, &(sectionsHeaderRecord->levelEntriesCount), 4);
	read(fd, &(sectionsHeaderRecord->glossEntriesCount), 4);
	read(fd, &(sectionsHeaderRecord->levelEntriesSize), 2);
	read(fd, &(sectionsHeaderRecord->reserved), 4);

	int skip = sectionsHeaderRecord->sectionsHeaderRecordSize - 16/*sizeof(struct ViewableHeader)*/;

	if (skip) {
		char *skipbuf = new char[skip];
		read(fd, skipbuf, skip);
		delete [] skipbuf;
	}
}


void readViewableHeader(int fd, ViewableHeader *viewableHeaderRecord) {

	read(fd, &(viewableHeaderRecord->viewableHeaderRecordSize), 2);
	read(fd, &(viewableHeaderRecord->viewableBlocksCount), 4);
	read(fd, &(viewableHeaderRecord->glossBlocksCount), 4);
	read(fd, &(viewableHeaderRecord->compressionType), 1);
	read(fd, &(viewableHeaderRecord->reserved1), 1);
	read(fd, &(viewableHeaderRecord->blockEntriesSize), 2);
	read(fd, &(viewableHeaderRecord->reserved2), 2);

	int skip = viewableHeaderRecord->viewableHeaderRecordSize - 16/*sizeof(struct ViewableHeader)*/;

	if (skip) {
		char *skipbuf = new char[skip];
		read(fd, skipbuf, skip);
		delete [] skipbuf;
	}
}


void readVSyncHeader(int fd, VSyncHeader *vSyncHeaderRecord) {

	read(fd, &(vSyncHeaderRecord->vSyncHeaderRecordSize), 2);
	read(fd, &(vSyncHeaderRecord->startBookNumber), 2);
	read(fd, &(vSyncHeaderRecord->endBookNumber), 2);
	read(fd, &(vSyncHeaderRecord->bookPointerEntriesSize), 2);
	read(fd, &(vSyncHeaderRecord->syncPointEntriesSize), 2);
	read(fd, &(vSyncHeaderRecord->reserved1_1), 4);
	read(fd, &(vSyncHeaderRecord->reserved1_2), 2);

	int skip = vSyncHeaderRecord->vSyncHeaderRecordSize - 16/*sizeof(VSyncHeader)*/;

	if (skip) {
		char *skipbuf = new char[skip];
		read(fd, skipbuf, skip);
		delete [] skipbuf;
	}
}


void readViewableBlockText(int fd, ViewableBlock *vb, char **buf) {
	unsigned long size = vb->size;

	*buf = new char [ ((vb->size > vb->uncompressedSize) ? vb->size : vb->uncompressedSize) + 1 ];
	lseek(fd, vb->offset, SEEK_SET);
	read(fd, *buf, vb->size);

	compress->zBuf(&size, *buf);
	strcpy(*buf, compress->Buf());
}


void readViewableBlock(int fd, ViewableBlock *vb) {

	read(fd, &(vb->offset), 4);
	read(fd, &(vb->uncompressedSize), 4);
	read(fd, &(vb->size), 4);
}


void readHeaderControlWordAreaText(int fd, char **buf) {
	long headerControlWordAreaSize;
	read(fd, &headerControlWordAreaSize, 4);

	*buf = new char [headerControlWordAreaSize + 1];

	read(fd, *buf, headerControlWordAreaSize);
	(*buf)[headerControlWordAreaSize] = 0;

}

void readVSyncBooksInfo(int fd, VSyncHeader *vSyncHeaderRecord, VSyncBooksInfo **vSyncBooksInfo) {

	int bookCount = vSyncHeaderRecord->endBookNumber - vSyncHeaderRecord->startBookNumber;
	*vSyncBooksInfo = new VSyncBooksInfo[bookCount];
	for (int i = 0; i <= bookCount; i++) {
		read(fd, &(*vSyncBooksInfo)[i].offset, 4);
		read(fd, &(*vSyncBooksInfo)[i].count, 2);
	}
}

void displayBook(int fdbook, int fdviewable, int fdvsync, int fdsections, VSyncBooksInfo *vSyncBooksInfo) {
	VSyncPoint vSyncPoint;

	lseek(fdvsync, vSyncBooksInfo->offset, SEEK_SET);

	for (int i = 0; i < vSyncBooksInfo->count; i++) {

		SectionLevelInfo sectionLevelInfo;
		char *sectionName;
		char *verseText;

		read(fdvsync, &(vSyncPoint.chapter), 2);
		read(fdvsync, &(vSyncPoint.verse), 2);
		read(fdvsync, &(vSyncPoint.offset), 4);
		vSyncPoint.offset = SECTIONSLEVELSTART + (vSyncPoint.offset * SECTIONSLEVELSIZE);
		lseek(fdsections, vSyncPoint.offset, SEEK_SET);
		readSectionLevelInfo(fdsections, &sectionLevelInfo);
		readSectionName(fdsections, &sectionLevelInfo, &sectionName);
		cout << sectionName << " ";
		delete [] sectionName;
		extractVerseText(fdviewable, fdbook, &sectionLevelInfo, &verseText);
		cleanBuf(verseText);
		cout << verseText << "\n";
		delete [] verseText;
	}
}


void extractVerseText(int fdviewable, int fdbook, SectionLevelInfo *sectionLevelInfo, char **verseText) {
	char numberBuf[16];
	string startToken;
	ViewableBlock vb;
	int len = 0;
	static long lastEntryOffset = -1;
	static class FreeCachedEntryText {
	public:
		char *entryText;
		FreeCachedEntryText() { entryText = 0; }
		~FreeCachedEntryText() { if (entryText) delete [] entryText; }
	} _freeCachedEntryText;

	if (sectionLevelInfo->viewableOffset != lastEntryOffset) {
		if (_freeCachedEntryText.entryText)
			delete [] _freeCachedEntryText.entryText;
	
		lseek(fdviewable, sectionLevelInfo->viewableOffset, SEEK_SET);
		readViewableBlock(fdviewable, &vb);
		readViewableBlockText(fdbook, &vb, &(_freeCachedEntryText.entryText));
		lastEntryOffset = sectionLevelInfo->viewableOffset;
	}
	sprintf(numberBuf, "%d", sectionLevelInfo->startLevel);
	startToken = "\\stepstartlevel";
	startToken += numberBuf;
	char *start = strstr(_freeCachedEntryText.entryText, startToken.c_str());
	if (start) {
		start += strlen(startToken.c_str());
		char *end = strstr(start, "\\stepstartlevel");
		if (end)
			len = end - start;
		else len = strlen(start);
	}
	*verseText = new char [ len + 1 ];
	strncpy(*verseText, start, len);
	(*verseText)[len] = 0;
}


void readSectionName(int fd, SectionLevelInfo *sli, char **name) {
	short size;
	lseek(fd, sli->nameOffset, SEEK_SET);
	read(fd, &size, 2);
	*name = new char [ size + 1 ];
	read(fd, *name, size);
	(*name)[size] = 0;
}

void readSectionLevelInfo(int fd, SectionLevelInfo *sli) {

	read(fd, &(sli->parentOffset), 4);
	read(fd, &(sli->previousOffset), 4);
	read(fd, &(sli->nextOffset), 4);
	read(fd, &(sli->viewableOffset), 4);
	sli->viewableOffset = VIEWABLEBLOCKSTART + (VIEWABLEBLOCKSIZE * sli->viewableOffset);
	read(fd, &(sli->startLevel), 2);
	read(fd, &(sli->level), 1);
	read(fd, &(sli->nameOffset), 4);
	read(fd, &(sli->outSync_1), 4);
	read(fd, &(sli->outSync_2), 2);
}

void cleanBuf(char *buf) {
	char *from = buf;
	char *to = buf;

	while (*from) {
		if ((*from != 10) && (*from != 13)) {
			*to++ = *from++;
		}
		else {
			from++;
		}
	}
	*to = 0;
}