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// Compression on variable granularity
/*
* Copyright 2009 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
*/
#ifdef _MSC_VER
#pragma warning( disable: 4251 )
#endif
#include <fcntl.h>
#include <iostream>
#include <fstream>
#include <string>
#ifndef __GNUC__
#include <io.h>
#else
#include <unistd.h>
#endif
#include <ztext.h>
#include <zld.h>
#include <zcom.h>
#include <swtext.h>
#include <swmgr.h>
#include <lzsscomprs.h>
#include <zipcomprs.h>
#include <versekey.h>
#include <stdio.h>
#include <cipherfil.h>
#ifndef NO_SWORD_NAMESPACE
using namespace sword;
#endif
using std::cerr;
using std::string;
using std::cout;
void errorOutHelp(char *appName) {
cerr << appName << " - a tool to create compressed Sword modules\n";
cerr << "version 0.1\n\n";
cerr << "usage: "<< appName << " <modname> <datapath> [blockType [compressType [cipherKey]]]\n\n";
cerr << "datapath: the directory in which to write the zModule\n";
cerr << "blockType : (default 4)\n\t2 - verses\n\t3 - chapters\n\t4 - books\n";
cerr << "compressType: (default 1):\n\t1 - LZSS\n\t2 - Zip\n";
cerr << "\n\n";
exit(-1);
}
int main(int argc, char **argv)
{
int iType = 4;
int compType = 1;
string cipherKey = "";
SWCompress *compressor = 0;
SWModule *inModule = 0;
SWModule *outModule = 0;
if ((argc < 3) || (argc > 6)) {
errorOutHelp(argv[0]);
}
if (argc > 3) {
iType = atoi(argv[3]);
if (argc > 4) {
compType = atoi(argv[4]);
if (argc > 5) {
cipherKey = argv[5];
}
}
}
if ((iType < 2) || (compType < 1) || (compType > 2) || (!strcmp(argv[1], "-h")) || (!strcmp(argv[1], "--help")) || (!strcmp(argv[1], "/?")) || (!strcmp(argv[1], "-?")) || (!strcmp(argv[1], "-help"))) {
errorOutHelp(argv[0]);
}
SWMgr mgr;
ModMap::iterator it = mgr.Modules.find(argv[1]);
if (it == mgr.Modules.end()) {
fprintf(stderr, "error: %s: couldn't find module: %s\n", argv[0], argv[1]);
exit(-2);
}
inModule = it->second;
// Try to initialize a default set of datafiles and indicies at our
// datapath location passed to us from the user.
#define BIBLE 1
#define LEX 2
#define COM 3
int modType = 0;
if (!strcmp(inModule->Type(), "Biblical Texts")) modType = BIBLE;
if (!strcmp(inModule->Type(), "Lexicons / Dictionaries")) modType = LEX;
if (!strcmp(inModule->Type(), "Commentaries")) modType = COM;
switch (compType) { // these are deleted by zText
case 1: compressor = new LZSSCompress(); break;
case 2: compressor = new ZipCompress(); break;
}
int result = 0;
switch (modType) {
case BIBLE:
case COM: {
SWKey *k = inModule->getKey();
VerseKey *vk = SWDYNAMIC_CAST(VerseKey, k);
result = zText::createModule(argv[2], iType, vk->getVersificationSystem());
break;
}
case LEX:
result = zLD::createModule(argv[2]);
break;
}
if (result) {
fprintf(stderr, "error: %s: couldn't create module at path: %s\n", argv[0], argv[2]);
exit(-3);
}
switch (modType) {
case BIBLE:
case COM: {
SWKey *k = inModule->getKey();
VerseKey *vk = SWDYNAMIC_CAST(VerseKey, k);
outModule = new zText(argv[2], 0, 0, iType, compressor,
0, ENC_UNKNOWN, DIRECTION_LTR, FMT_UNKNOWN, 0,
vk->getVersificationSystem()); // open our datapath with our RawText driver.
((VerseKey *)(SWKey *)(*inModule))->Headings(1);
break;
}
case LEX:
outModule = new zLD(argv[2], 0, 0, iType, compressor); // open our datapath with our RawText driver.
break;
}
SWFilter *cipherFilter = 0;
if (!cipherKey.empty()) {
cipherFilter = new CipherFilter(cipherKey.c_str());
outModule->AddRawFilter(cipherFilter);
}
string lastBuffer = "Something that would never be first module entry";
SWKey bufferKey;
SWKey lastBufferKey;
SWKey *outModuleKey = outModule->CreateKey();
VerseKey *vkey = SWDYNAMIC_CAST(VerseKey, outModuleKey);
outModuleKey->Persist(1);
if (vkey) {
vkey->Headings(1);
vkey->AutoNormalize(0);
}
outModule->setKey(*outModuleKey);
inModule->setSkipConsecutiveLinks(false);
(*inModule) = TOP;
while (!inModule->Error()) {
bufferKey = *(SWKey *)(*inModule);
// pseudo-check for link. Will get most common links.
if ((lastBuffer == inModule->getRawEntry()) &&(lastBuffer.length() > 0)) {
*outModuleKey = bufferKey;
outModule->linkEntry(&lastBufferKey); // link to last key
cout << "Adding [" << bufferKey << "] link to: [" << lastBufferKey << "]\n";
}
else {
lastBuffer = inModule->getRawEntry();
lastBufferKey = inModule->KeyText();
if (lastBuffer.length() > 0) {
cout << "Adding [" << bufferKey << "] new text.\n";
*outModuleKey = bufferKey;
// outModule->getRawEntry(); // snap
// outModule->setKey(bufferKey);
(*outModule) << lastBuffer.c_str(); // save new text;
}
else {
cout << "Skipping [" << bufferKey << "] no entry in Module.\n";
}
}
(*inModule)++;
}
delete outModule;
delete outModuleKey;
if (cipherFilter)
delete cipherFilter;
}
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