1 files changed, 147 insertions, 0 deletions
diff --git a/src/modules/filters/osisheadings.cpp b/src/modules/filters/osisheadings.cpp
new file mode 100644
index 0000000..783fa81
--- /dev/null
+++ b/src/modules/filters/osisheadings.cpp
@@ -0,0 +1,147 @@
+/******************************************************************************
+ *
+ *  osisheadings.cpp -	SWFilter descendant to hide or show headings
+ *			in an OSIS module
+ *
+ * $Id: osisheadings.cpp 2980 2013-09-14 21:51:47Z scribe $
+ *
+ * Copyright 2003-2013 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.
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <osisheadings.h>
+#include <swmodule.h>
+#include <utilxml.h>
+#include <utilstr.h>
+
+
+SWORD_NAMESPACE_START
+
+namespace {
+
+	static const char oName[] = "Headings";
+	static const char oTip[]  = "Toggles Headings On and Off if they exist";
+
+	static const StringList *oValues() {
+		static const SWBuf choices[3] = {"Off", "On", ""};
+		static const StringList oVals(&choices[0], &choices[2]);
+		return &oVals;
+	}
+
+
+	class MyUserData : public BasicFilterUserData {
+	public:
+		SWBuf currentHeadingName;
+		XMLTag currentHeadingTag;
+		const char *sID;
+		SWBuf heading;
+		int depth;
+		int headerNum;
+
+		MyUserData(const SWModule *module, const SWKey *key) : BasicFilterUserData(module, key) {
+			clear();
+		}
+		void clear() {
+			currentHeadingName = "";
+			currentHeadingTag = "";
+			sID = 0;
+			heading = "";
+			depth = 0;
+			headerNum = 0;
+		}
+	};
+}
+
+
+BasicFilterUserData *OSISHeadings::createUserData(const SWModule *module, const SWKey *key) {
+	return new MyUserData(module, key);
+}
+
+
+OSISHeadings::OSISHeadings() : SWOptionFilter(oName, oTip, oValues()) {
+	setPassThruUnknownToken(true);
+}
+
+
+bool OSISHeadings::handleToken(SWBuf &buf, const char *token, BasicFilterUserData *userData) {
+
+	MyUserData *u = (MyUserData *)userData;
+	XMLTag tag(token);
+	SWBuf name = tag.getName();
+
+	// we only care about titles and divs or if we're already in a heading
+	//
+	// are we currently in a heading?
+	if (u->currentHeadingName.size()) {
+		u->heading.append(u->lastTextNode);
+		if (name == u->currentHeadingName) {
+			if (tag.isEndTag(u->sID)) {
+				if (!u->depth-- || u->sID) {
+					// we've just finished a heading.  It's all stored up in u->heading
+					bool canonical = (SWBuf("true") == u->currentHeadingTag.getAttribute("canonical"));
+					bool preverse = (SWBuf("x-preverse") == u->currentHeadingTag.getAttribute("subType") || SWBuf("x-preverse") == u->currentHeadingTag.getAttribute("subtype"));
+
+					// do we want to put anything in EntryAttributes?
+					if (u->module->isProcessEntryAttributes() && (option || canonical || !preverse)) {
+						SWBuf buf; buf.appendFormatted("%i", u->headerNum++);
+						u->module->getEntryAttributes()["Heading"][(preverse)?"Preverse":"Interverse"][buf] = u->heading;
+
+						StringList attributes = u->currentHeadingTag.getAttributeNames();
+						for (StringList::const_iterator it = attributes.begin(); it != attributes.end(); it++) {
+							u->module->getEntryAttributes()["Heading"][buf][it->c_str()] = u->currentHeadingTag.getAttribute(it->c_str());
+						}
+					}
+
+					// do we want the heading in the body?
+					if (!preverse && (option || canonical)) {
+						buf.append(u->currentHeadingTag);
+						buf.append(u->heading);
+						buf.append(tag);
+					}
+					u->suspendTextPassThru = false;
+					u->clear();
+				}
+			}
+			else u->depth++;
+		}
+		u->heading.append(tag);
+		return true;
+	}
+
+	// are we a title or a preverse div?
+	else if (   name == "title"
+		|| (name == "div"
+			&& ( SWBuf("x-preverse") == tag.getAttribute("subType")
+			  || SWBuf("x-preverse") == tag.getAttribute("subtype")))) {
+
+		u->currentHeadingName = name;
+		u->currentHeadingTag = tag;
+		u->heading = "";
+		u->sID = u->currentHeadingTag.getAttribute("sID");
+		u->depth = 0;
+		u->suspendTextPassThru = true;
+
+		return true;
+	}
+
+	return false;
+}
+
+
+
+SWORD_NAMESPACE_END
+