1 files changed, 144 insertions, 0 deletions
diff --git a/src/modules/filters/osisheadings.cpp b/src/modules/filters/osisheadings.cpp
new file mode 100644
index 0000000..a072335
--- /dev/null
+++ b/src/modules/filters/osisheadings.cpp
@@ -0,0 +1,144 @@
+/******************************************************************************
+ *
+ *osisheadings -	SWFilter descendant to hide or show headings
+ *			in an OSIS module.
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <osisheadings.h>
+#include <swmodule.h>
+#include <utilxml.h>
+#include <utilstr.h>
+
+SWORD_NAMESPACE_START
+
+const char oName[] = "Headings";
+const char oTip[] = "Toggles Headings On and Off if they exist";
+
+const SWBuf choices[3] = {"Off", "On", ""};
+const StringList oValues(&choices[0], &choices[2]);
+
+OSISHeadings::OSISHeadings() : SWOptionFilter(oName, oTip, &oValues) {
+	setOptionValue("Off");
+}
+
+
+OSISHeadings::~OSISHeadings() {
+}
+
+
+char OSISHeadings::processText(SWBuf &text, const SWKey *key, const SWModule *module) {
+	SWBuf token;
+	bool intoken    = false;
+	bool hide       = false;
+	bool preverse   = false;
+	bool withinTitle = false;
+	bool canonical  = false;
+	SWBuf header;
+	int headerNum   = 0;
+	int pvHeaderNum = 0;
+	char buf[254];
+	XMLTag startTag;
+
+	SWBuf orig = text;
+	const char *from = orig.c_str();
+	
+	XMLTag tag;
+
+	for (text = ""; *from; ++from) {
+		if (*from == '<') {
+			intoken = true;
+			token = "";
+			
+			continue;
+		}
+		if (*from == '>') {	// process tokens
+			intoken = false;
+
+			if (!strncmp(token.c_str(), "title", 5) || !strncmp(token.c_str(), "/title", 6)) {
+				withinTitle =  (!strnicmp(token.c_str(), "title", 5));
+				tag = token;
+				
+				if (!tag.isEndTag()) { //start tag
+					if (!tag.isEmpty()) {
+						startTag = tag;
+					}
+				}
+				
+				if (         (tag.getAttribute("subType") && !stricmp(tag.getAttribute("subType"), "x-preverse"))
+						|| (tag.getAttribute("subtype") && !stricmp(tag.getAttribute("subtype"), "x-preverse"))	// deprecated
+						) {
+					hide = true;
+					preverse = true;
+					header = "";
+					canonical = (tag.getAttribute("canonical") && (!stricmp(tag.getAttribute("canonical"), "true")));
+					continue;
+				}
+				if (!tag.isEndTag()) { //start tag
+					hide = true;
+					header = "";
+					if (option || canonical) {	// we want the tag in the text
+						text.append('<');
+						text.append(token);
+						text.append('>');
+					}
+					continue;
+				}
+				if (hide && tag.isEndTag()) {
+					if (module->isProcessEntryAttributes() && ((option || canonical) || (!preverse))) {
+						if (preverse) {
+							sprintf(buf, "%i", pvHeaderNum++);
+							module->getEntryAttributes()["Heading"]["Preverse"][buf] = header;
+						}
+						else {
+							sprintf(buf, "%i", headerNum++);
+							module->getEntryAttributes()["Heading"]["Interverse"][buf] = header;
+							if (option || canonical) {	// we want the tag in the text
+								text.append(header);
+							}
+						}
+						
+						StringList attributes = startTag.getAttributeNames();
+						for (StringList::const_iterator it = attributes.begin(); it != attributes.end(); it++) {
+							module->getEntryAttributes()["Heading"][buf][it->c_str()] = startTag.getAttribute(it->c_str());
+						}
+					}
+					
+					hide = false;
+					if (!(option || canonical) || preverse) {	// we don't want the tag in the text anymore
+						preverse = false;
+						continue;
+					}
+					preverse = false;
+				}
+			}
+
+			if (withinTitle) {
+				header.append('<');
+				header.append(token);
+				header.append('>');
+			} else {
+				// if not a heading token, keep token in text
+				if (!hide) {
+					text.append('<');
+					text.append(token);
+					text.append('>');
+				}
+			}
+			continue;
+		}
+		if (intoken) { //copy token
+			token.append(*from);
+		}
+		else if (!hide) { //copy text which is not inside a token
+			text.append(*from);
+		}
+		else header.append(*from);
+	}
+	return 0;
+}
+
+SWORD_NAMESPACE_END
+