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/******************************************************************************
*
*osisheadings - SWFilter descendant to hide or show headings
* in an OSIS module.
*
*
* Copyright 2009 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
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 withinPreverseDiv = false;
SWBuf preverseDivID = "";
const char *pvDID = 0;
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;
tag = token;
// <title> </title> <div subType="x-preverse"> (</div> ## when in previous)
if ( (!withinPreverseDiv && !strcmp(tag.getName(), "title")) ||
(!strcmp(tag.getName(), "div") &&
((withinPreverseDiv && (tag.isEndTag(pvDID))) ||
(tag.getAttribute("subType") && !strcmp(tag.getAttribute("subType"), "x-preverse")))
)) {
withinTitle = (!tag.isEndTag(pvDID));
if (!strcmp(tag.getName(), "div")) {
withinPreverseDiv = (!tag.isEndTag(pvDID));
if (!pvDID) {
preverseDivID = tag.getAttribute("sID");
pvDID = (preverseDivID.length())? preverseDivID.c_str() : 0;
}
}
if (!tag.isEndTag(pvDID)) { //start tag
if (!tag.isEmpty() || pvDID) {
startTag = tag;
}
}
if ( !tag.isEndTag(pvDID) && (withinPreverseDiv
|| (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(pvDID)) { //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(pvDID)) {
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;
pvDID = 0;
}
}
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
|
