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-rw-r--r--src/modules/filters/osisheadings.cpp228
1 files changed, 99 insertions, 129 deletions
diff --git a/src/modules/filters/osisheadings.cpp b/src/modules/filters/osisheadings.cpp
index 8872f24..783fa81 100644
--- a/src/modules/filters/osisheadings.cpp
+++ b/src/modules/filters/osisheadings.cpp
@@ -1,10 +1,11 @@
/******************************************************************************
*
- *osisheadings - SWFilter descendant to hide or show headings
- * in an OSIS module.
+ * 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 2009 CrossWire Bible Society (http://www.crosswire.org)
+ * Copyright 2003-2013 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
@@ -27,151 +28,120 @@
#include <utilxml.h>
#include <utilstr.h>
+
SWORD_NAMESPACE_START
-const char oName[] = "Headings";
-const char oTip[] = "Toggles Headings On and Off if they exist";
+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;
+ }
+
-const SWBuf choices[3] = {"Off", "On", ""};
-const StringList oValues(&choices[0], &choices[2]);
+ class MyUserData : public BasicFilterUserData {
+ public:
+ SWBuf currentHeadingName;
+ XMLTag currentHeadingTag;
+ const char *sID;
+ SWBuf heading;
+ int depth;
+ int headerNum;
-OSISHeadings::OSISHeadings() : SWOptionFilter(oName, oTip, &oValues) {
- setOptionValue("Off");
+ MyUserData(const SWModule *module, const SWKey *key) : BasicFilterUserData(module, key) {
+ clear();
+ }
+ void clear() {
+ currentHeadingName = "";
+ currentHeadingTag = "";
+ sID = 0;
+ heading = "";
+ depth = 0;
+ headerNum = 0;
+ }
+ };
}
-OSISHeadings::~OSISHeadings() {
+BasicFilterUserData *OSISHeadings::createUserData(const SWModule *module, const SWKey *key) {
+ return new MyUserData(module, key);
}
-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();
+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++) {
- module->getEntryAttributes()["Heading"][buf][it->c_str()] = startTag.getAttribute(it->c_str());
+ u->module->getEntryAttributes()["Heading"][buf][it->c_str()] = u->currentHeadingTag.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('>');
+ // 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();
}
}
- continue;
+ else u->depth++;
}
- 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);
+ u->heading.append(tag);
+ return true;
}
- return 0;
+
+ // 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
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