[sword-cvs] sword/src/modules/filters osisheadings.cpp,NONE,1.1

[sword@www.crosswire.org]

Update of /usr/local/cvsroot/sword/src/modules/filters
In directory www:/tmp/cvs-serv31102/src/modules/filters

Added Files:
	osisheadings.cpp 
Log Message:
no message

--- NEW FILE: osisheadings.cpp ---
/******************************************************************************
 *
 *osishmlheadings -	SWFilter decendant to hide or show headings
 *			in an OSIS module.
 */


#include <stdlib.h>
#include <string.h>
#include <osisheadings.h>
#include <swmodule.h>
#ifndef __GNUC__
#else
#include <unixstr.h>
#endif

SWORD_NAMESPACE_START

const char OSISHeadings::on[] = "On";
const char OSISHeadings::off[] = "Off";
const char OSISHeadings::optName[] = "Headings";
const char OSISHeadings::optTip[] = "Toggles Headings On and Off if they exist";


OSISHeadings::OSISHeadings() {
	option = false;
	options.push_back(on);
	options.push_back(off);
}


OSISHeadings::~OSISHeadings() {
}

void OSISHeadings::setOptionValue(const char *ival)
{
	option = (!stricmp(ival, on));
}

const char *OSISHeadings::getOptionValue()
{
	return (option) ? on:off;
}

char OSISHeadings::processText(SWBuf &text, const SWKey *key, const SWModule *module)
{
	SWBuf token;
	bool intoken    = false;
	bool hide       = false;
	bool preverse   = false;
	SWBuf header;
	int headerNum   = 0;
	int pvHeaderNum = 0;
	char buf[254];

	SWBuf orig = text;
	const char *from = orig.c_str();

	for (text = ""; *from; from++) {
		if (*from == '<') {
			intoken = true;
			token = "";
			continue;
		}
		if (*from == '>') {	// process tokens
			intoken = false;

			if (!strnicmp(token, "title type=\"section\" subtype=\"x-preverse\"", 39)) {
				hide = true;
				preverse = true;
				header = "";
				continue;
			}
				
			if (!strnicmp(token, "title type=\"section\"", 20)) {
				hide = true;
				header = "";
				if (option) {	// we want the tag in the text
					text += '<';
					text.append(token);
					text += '>';
				}
				continue;
			}
				
			else if (hide && !strnicmp(token, "/title", 6)) {

				if (module->isProcessEntryAttributes() && option) {
					if (preverse) {
						sprintf(buf, "%i", pvHeaderNum++);
						module->getEntryAttributes()["Heading"]["Preverse"][buf] = header;
					}
					else {
						sprintf(buf, "%i", headerNum++);
						module->getEntryAttributes()["Heading"]["Interverse"][buf] = header;
					}
				}


				hide = false;
				if ((!option) || (preverse)) {	// we don't want the tag in the text anymore
					preverse = false;
					continue;
				}
				preverse = false;
			}

			// if not a heading token, keep token in text
			if (!hide) {
				text += '<';
				text.append(token);
				text += '>';
			}
			continue;
		}
		if (intoken) { //copy token
			token += *from;
		}
		else if (!hide) { //copy text which is not inside a token
			text += *from;
		}
		else header += *from;
	}
	return 0;
}

SWORD_NAMESPACE_END