From 03134fa5f6f25d92724ce4c183f9bbe12a9e37dc Mon Sep 17 00:00:00 2001
From: "Roberto C. Sanchez" <roberto@connexer.com>
Date: Sat, 29 Mar 2014 10:53:59 -0400
Subject: Imported Upstream version 1.5.11

---
 src/modules/texts/ztext/ztext.cpp | 195 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 195 insertions(+)
 create mode 100644 src/modules/texts/ztext/ztext.cpp

(limited to 'src/modules/texts/ztext/ztext.cpp')

diff --git a/src/modules/texts/ztext/ztext.cpp b/src/modules/texts/ztext/ztext.cpp
new file mode 100644
index 0000000..b461d49
--- /dev/null
+++ b/src/modules/texts/ztext/ztext.cpp
@@ -0,0 +1,195 @@
+/******************************************************************************
+ *  ztext.cpp - code for class 'zText'- a module that reads compressed text
+ *				files: ot and nt using indexs ??.vss
+ */
+
+
+#include <ctype.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <sysdata.h>
+#include <versekey.h>
+#include <filemgr.h>
+
+#include <ztext.h>
+
+#include <regex.h>	// GNU
+
+
+SWORD_NAMESPACE_START
+
+/******************************************************************************
+ * zText Constructor - Initializes data for instance of zText
+ *
+ * ENT:	ipath - path to data files
+ *		iname - Internal name for module
+ *		idesc - Name to display to user for module
+ *		iblockType - verse, chapter, book, etc. of index chunks
+ *		icomp - Compressor object
+ *		idisp - Display object to use for displaying
+ */
+
+zText::zText(const char *ipath, const char *iname, const char *idesc, int iblockType, SWCompress *icomp, SWDisplay *idisp, SWTextEncoding enc, SWTextDirection dir, SWTextMarkup mark, const char* ilang)
+		: zVerse(ipath, FileMgr::RDWR, iblockType, icomp), SWText(iname, idesc, idisp, enc, dir, mark, ilang) {
+	blockType = iblockType;
+	lastWriteKey = 0;
+}
+
+
+/******************************************************************************
+ * zText Destructor - Cleans up instance of zText
+ */
+
+zText::~zText()
+{
+	flushCache();
+
+	if (lastWriteKey)
+		delete lastWriteKey;
+
+}
+
+
+bool zText::isWritable() { return ((idxfp[0]->getFd() > 0) && ((idxfp[0]->mode & FileMgr::RDWR) == FileMgr::RDWR)); }
+
+
+/******************************************************************************
+ * zText::getRawEntry	- Returns the current verse buffer
+ *
+ * RET: buffer with verse
+ */
+
+SWBuf &zText::getRawEntryBuf() {
+	long  start = 0;
+	unsigned short size = 0;
+	VerseKey &key = getVerseKey();
+
+	findOffset(key.Testament(), key.Index(), &start, &size);
+	entrySize = size;        // support getEntrySize call
+			  
+	entryBuf = "";
+	zReadText(key.Testament(), start, size, entryBuf);
+
+	rawFilter(entryBuf, &key);
+
+//	if (!isUnicode())
+		prepText(entryBuf);
+
+	return entryBuf;
+}
+
+
+bool zText::sameBlock(VerseKey *k1, VerseKey *k2) {
+	if (k1->Testament() != k2->Testament())
+		return false;
+
+	switch (blockType) {
+	case VERSEBLOCKS:
+		if (k1->Verse() != k2->Verse())
+			return false;
+	case CHAPTERBLOCKS:
+		if (k1->Chapter() != k2->Chapter())
+			return false;
+	case BOOKBLOCKS:
+		if (k1->Book() != k2->Book())
+			return false;
+	}
+	return true;
+}
+
+
+void zText::setEntry(const char *inbuf, long len) {
+	VerseKey &key = getVerseKey();
+
+	// see if we've jumped across blocks since last write
+	if (lastWriteKey) {
+		if (!sameBlock(lastWriteKey, &key)) {
+			flushCache();
+		}
+		delete lastWriteKey;
+	}
+
+	doSetText(key.Testament(), key.Index(), inbuf, len);
+
+	lastWriteKey = (VerseKey *)key.clone();	// must delete
+}
+
+
+void zText::linkEntry(const SWKey *inkey) {
+	VerseKey &destkey = getVerseKey();
+	const VerseKey *srckey = 0;
+
+	// see if we have a VerseKey * or decendant
+	SWTRY {
+		srckey = (const VerseKey *) SWDYNAMIC_CAST(VerseKey, inkey);
+	}
+	SWCATCH ( ... ) {
+	}
+	// if we don't have a VerseKey * decendant, create our own
+	if (!srckey)
+		srckey = new VerseKey(inkey);
+
+	doLinkEntry(destkey.Testament(), destkey.Index(), srckey->Index());
+
+	if (inkey != srckey) // free our key if we created a VerseKey
+		delete srckey;
+}
+
+
+/******************************************************************************
+ * zFiles::deleteEntry	- deletes this entry
+ *
+ */
+
+void zText::deleteEntry() {
+
+	VerseKey &key = getVerseKey();
+
+	doSetText(key.Testament(), key.Index(), "");
+}
+
+
+/******************************************************************************
+ * zText::increment	- Increments module key a number of entries
+ *
+ * ENT:	increment	- Number of entries to jump forward
+ *
+ */
+
+void zText::increment(int steps) {
+	long  start;
+	unsigned short size;
+	VerseKey *tmpkey = &getVerseKey();
+
+	findOffset(tmpkey->Testament(), tmpkey->Index(), &start, &size);
+
+	SWKey lastgood = *tmpkey;
+	while (steps) {
+		long laststart = start;
+		unsigned short lastsize = size;
+		SWKey lasttry = *tmpkey;
+		(steps > 0) ? (*key)++ : (*key)--;
+		tmpkey = &getVerseKey();
+
+		if ((error = key->Error())) {
+			*key = lastgood;
+			break;
+		}
+		long index = tmpkey->Index();
+		findOffset(tmpkey->Testament(), index, &start, &size);
+
+		if (
+			(((laststart != start) || (lastsize != size))	// we're a different entry
+//				&& (start > 0)
+				&& (size))	// and we actually have a size
+				||(!skipConsecutiveLinks)) {	// or we don't want to skip consecutive links
+			steps += (steps < 0) ? 1 : -1;
+			lastgood = *tmpkey;
+		}
+	}
+	error = (error) ? KEYERR_OUTOFBOUNDS : 0;
+}
+
+
+
+SWORD_NAMESPACE_END
-- 
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