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authordanglassey <danglassey>2002-08-14 09:57:17 +0000
committerdanglassey <danglassey>2002-08-14 09:57:17 +0000
commitc9458897ebbb739d8db83c80e06512d8a612f743 (patch)
treef8c5381045887e34388cc6b26cfccc254bf766dc /src/modules/common/rawverse.cpp
downloadsword-sf-cvs-c9458897ebbb739d8db83c80e06512d8a612f743.tar.gz
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diff --git a/src/modules/common/rawverse.cpp b/src/modules/common/rawverse.cpp
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+/******************************************************************************
+ * rawverse.cpp - code for class 'RawVerse'- a module that reads raw text
+ * files: ot and nt using indexs ??.bks ??.cps ??.vss
+ * and provides lookup and parsing functions based on
+ * class VerseKey
+ */
+
+
+#include <ctype.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#ifndef __GNUC__
+#include <io.h>
+#include <sys/stat.h>
+#else
+#include <unistd.h>
+#endif
+
+#include <string.h>
+#include <utilfuns.h>
+#include <rawverse.h>
+#include <versekey.h>
+#include <sysdata.h>
+
+#ifndef O_BINARY // O_BINARY is needed in Borland C++ 4.53
+#define O_BINARY 0 // If it hasn't been defined than we probably
+#endif // don't need it.
+
+
+/******************************************************************************
+ * RawVerse Statics
+ */
+
+int RawVerse::instance = 0;
+const char *RawVerse::nl = "\r\n";
+
+
+/******************************************************************************
+ * RawVerse Constructor - Initializes data for instance of RawVerse
+ *
+ * ENT: ipath - path of the directory where data and index files are located.
+ * be sure to include the trailing separator (e.g. '/' or '\')
+ * (e.g. 'modules/texts/rawtext/webster/')
+ */
+
+RawVerse::RawVerse(const char *ipath, int fileMode)
+{
+ char *buf;
+
+ path = 0;
+ stdstr(&path, ipath);
+ buf = new char [ strlen(path) + 80 ];
+ if ((path[strlen(path)-1] == '/') || (path[strlen(path)-1] == '\\'))
+ path[strlen(path)-1] = 0;
+
+ if (fileMode == -1) { // try read/write if possible
+ fileMode = O_RDWR;
+ }
+
+ sprintf(buf, "%s/ot.vss", path);
+ idxfp[0] = FileMgr::systemFileMgr.open(buf, fileMode|O_BINARY, true);
+
+ sprintf(buf, "%s/nt.vss", path);
+ idxfp[1] = FileMgr::systemFileMgr.open(buf, fileMode|O_BINARY, true);
+
+ sprintf(buf, "%s/ot", path);
+ textfp[0] = FileMgr::systemFileMgr.open(buf, fileMode|O_BINARY, true);
+
+ sprintf(buf, "%s/nt", path);
+ textfp[1] = FileMgr::systemFileMgr.open(buf, fileMode|O_BINARY, true);
+
+ delete [] buf;
+ instance++;
+}
+
+
+/******************************************************************************
+ * RawVerse Destructor - Cleans up instance of RawVerse
+ */
+
+RawVerse::~RawVerse()
+{
+ int loop1;
+
+ if (path)
+ delete [] path;
+
+ --instance;
+
+ for (loop1 = 0; loop1 < 2; loop1++) {
+ FileMgr::systemFileMgr.close(idxfp[loop1]);
+ FileMgr::systemFileMgr.close(textfp[loop1]);
+ }
+}
+
+
+/******************************************************************************
+ * RawVerse::findoffset - Finds the offset of the key verse from the indexes
+ *
+ * ENT: testmt - testament to find (0 - Bible/module introduction)
+ * idxoff - offset into .vss
+ * start - address to store the starting offset
+ * size - address to store the size of the entry
+ */
+
+void RawVerse::findoffset(char testmt, long idxoff, long *start, unsigned short *size) {
+ idxoff *= 6;
+ if (!testmt)
+ testmt = ((idxfp[1]) ? 1:2);
+
+ if (idxfp[testmt-1]->getFd() >= 0) {
+ lseek(idxfp[testmt-1]->getFd(), idxoff, SEEK_SET);
+ read(idxfp[testmt-1]->getFd(), start, 4);
+ long len = read(idxfp[testmt-1]->getFd(), size, 2); // read size
+
+ *start = swordtoarch32(*start);
+ *size = swordtoarch16(*size);
+
+ if (len < 2) {
+ *size = (unsigned short)((*start) ? (lseek(textfp[testmt-1]->getFd(), 0, SEEK_END) - (long)*start) : 0); // if for some reason we get an error reading size, make size to end of file
+ }
+ }
+ else {
+ *start = 0;
+ *size = 0;
+ }
+}
+
+
+/******************************************************************************
+ * RawVerse::preptext - Prepares the text before returning it to external
+ * objects
+ *
+ * ENT: buf - buffer where text is stored and where to store the prep'd
+ * text.
+ */
+
+void RawVerse::preptext(char *buf)
+{
+ char *to, *from, space = 0, cr = 0, realdata = 0, nlcnt = 0;
+
+ for (to = from = buf; *from; from++) {
+ switch (*from) {
+ case 10:
+ if (!realdata)
+ continue;
+ space = (cr) ? 0 : 1;
+ cr = 0;
+ nlcnt++;
+ if (nlcnt > 1) {
+// *to++ = nl;
+ *to++ = 10;
+// *to++ = nl[1];
+// nlcnt = 0;
+ }
+ continue;
+ case 13:
+ if (!realdata)
+ continue;
+// *to++ = nl[0];
+ *to++ = 10;
+ space = 0;
+ cr = 1;
+ continue;
+ }
+ realdata = 1;
+ nlcnt = 0;
+ if (space) {
+ space = 0;
+ if (*from != ' ') {
+ *to++ = ' ';
+ from--;
+ continue;
+ }
+ }
+ *to++ = *from;
+ }
+ *to = 0;
+
+ while (to > (buf+1)) { // remove trailing excess
+ to--;
+ if ((*to == 10) || (*to == ' '))
+ *to = 0;
+ else break;
+ }
+}
+
+
+/******************************************************************************
+ * RawVerse::readtext - gets text at a given offset
+ *
+ * ENT: testmt - testament file to search in (0 - Old; 1 - New)
+ * start - starting offset where the text is located in the file
+ * size - size of text entry + 2 (null)(null)
+ * buf - buffer to store text
+ *
+ */
+
+void RawVerse::readtext(char testmt, long start, unsigned short size, char *buf) {
+ memset(buf, 0, size+1);
+ if (!testmt)
+ testmt = ((idxfp[1]) ? 1:2);
+ if (size) {
+ if (textfp[testmt-1]->getFd() >= 0) {
+ lseek(textfp[testmt-1]->getFd(), start, SEEK_SET);
+ read(textfp[testmt-1]->getFd(), buf, (int)size - 2);
+ }
+ }
+}
+
+
+/******************************************************************************
+ * RawVerse::settext - Sets text for current offset
+ *
+ * ENT: testmt - testament to find (0 - Bible/module introduction)
+ * idxoff - offset into .vss
+ * buf - buffer to store
+ * len - length of buffer (0 - null terminated)
+ */
+
+void RawVerse::settext(char testmt, long idxoff, const char *buf, long len)
+{
+ long start, outstart;
+ unsigned short size;
+ unsigned short outsize;
+
+ idxoff *= 6;
+ if (!testmt)
+ testmt = ((idxfp[1]) ? 1:2);
+
+ size = outsize = (len < 0) ? strlen(buf) : len;
+
+ start = outstart = lseek(textfp[testmt-1]->getFd(), 0, SEEK_END);
+ lseek(idxfp[testmt-1]->getFd(), idxoff, SEEK_SET);
+
+ if (size) {
+ lseek(textfp[testmt-1]->getFd(), start, SEEK_SET);
+ write(textfp[testmt-1]->getFd(), buf, (int)size);
+
+ // add a new line to make data file easier to read in an editor
+ write(textfp[testmt-1]->getFd(), nl, 2);
+ }
+ else {
+ start = 0;
+ }
+
+ outstart = archtosword32(start);
+ outsize = archtosword16(size);
+
+ write(idxfp[testmt-1]->getFd(), &outstart, 4);
+ write(idxfp[testmt-1]->getFd(), &outsize, 2);
+
+
+}
+
+
+/******************************************************************************
+ * RawVerse::linkentry - links one entry to another
+ *
+ * ENT: testmt - testament to find (0 - Bible/module introduction)
+ * destidxoff - dest offset into .vss
+ * srcidxoff - source offset into .vss
+ */
+
+void RawVerse::linkentry(char testmt, long destidxoff, long srcidxoff) {
+ long start;
+ unsigned short size;
+
+ destidxoff *= 6;
+ srcidxoff *= 6;
+
+ if (!testmt)
+ testmt = ((idxfp[1]) ? 1:2);
+
+ // get source
+ lseek(idxfp[testmt-1]->getFd(), srcidxoff, SEEK_SET);
+ read(idxfp[testmt-1]->getFd(), &start, 4);
+ read(idxfp[testmt-1]->getFd(), &size, 2);
+
+ // write dest
+ lseek(idxfp[testmt-1]->getFd(), destidxoff, SEEK_SET);
+ write(idxfp[testmt-1]->getFd(), &start, 4);
+ write(idxfp[testmt-1]->getFd(), &size, 2);
+}
+
+
+/******************************************************************************
+ * RawVerse::CreateModule - Creates new module files
+ *
+ * ENT: path - directory to store module files
+ * RET: error status
+ */
+
+char RawVerse::createModule(const char *ipath)
+{
+ char *path = 0;
+ char *buf = new char [ strlen (ipath) + 20 ];
+ FileDesc *fd, *fd2;
+
+ stdstr(&path, ipath);
+
+ if ((path[strlen(path)-1] == '/') || (path[strlen(path)-1] == '\\'))
+ path[strlen(path)-1] = 0;
+
+ sprintf(buf, "%s/ot", path);
+ unlink(buf);
+ fd = FileMgr::systemFileMgr.open(buf, O_CREAT|O_WRONLY|O_BINARY, S_IREAD|S_IWRITE);
+ fd->getFd();
+ FileMgr::systemFileMgr.close(fd);
+
+ sprintf(buf, "%s/nt", path);
+ unlink(buf);
+ fd = FileMgr::systemFileMgr.open(buf, O_CREAT|O_WRONLY|O_BINARY, S_IREAD|S_IWRITE);
+ fd->getFd();
+ FileMgr::systemFileMgr.close(fd);
+
+ sprintf(buf, "%s/ot.vss", path);
+ unlink(buf);
+ fd = FileMgr::systemFileMgr.open(buf, O_CREAT|O_WRONLY|O_BINARY, S_IREAD|S_IWRITE);
+ fd->getFd();
+
+ sprintf(buf, "%s/nt.vss", path);
+ unlink(buf);
+ fd2 = FileMgr::systemFileMgr.open(buf, O_CREAT|O_WRONLY|O_BINARY, S_IREAD|S_IWRITE);
+ fd2->getFd();
+
+ VerseKey vk;
+ vk.Headings(1);
+ long offset = 0;
+ short size = 0;
+ for (vk = TOP; !vk.Error(); vk++) {
+ write((vk.Testament() == 1) ? fd->getFd() : fd2->getFd(), &offset, 4);
+ write((vk.Testament() == 1) ? fd->getFd() : fd2->getFd(), &size, 2);
+ }
+
+ FileMgr::systemFileMgr.close(fd);
+ FileMgr::systemFileMgr.close(fd2);
+
+ delete [] path;
+/*
+ RawVerse rv(path);
+ VerseKey mykey("Rev 22:21");
+*/
+
+ return 0;
+}