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/******************************************************************************
*
* UTF8Cantillation - SWFilter descendant to remove UTF-8 Hebrew cantillation
*
*
*
* 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 <utf8cantillation.h>
SWORD_NAMESPACE_START
const char oName[] = "Hebrew Cantillation";
const char oTip[] = "Toggles Hebrew Cantillation Marks";
const SWBuf choices[3] = {"On", "Off", ""};
const StringList oValues(&choices[0], &choices[2]);
UTF8Cantillation::UTF8Cantillation() : SWOptionFilter(oName, oTip, &oValues) {
setOptionValue("Off");
}
UTF8Cantillation::~UTF8Cantillation(){};
char UTF8Cantillation::processText(SWBuf &text, const SWKey *key, const SWModule *module) {
if (!option) {
//The UTF-8 range 0xD6 0x90 to 0xD6 0xAF and 0xD7 0x84 consist of Hebrew cantillation marks so block those out.
SWBuf orig = text;
const unsigned char* from = (unsigned char*)orig.c_str();
for (text = ""; *from; from++) {
if (*from != 0xD6) {
if (*from == 0xD7 && *(from + 1) == 0x84) {
from++;
}
else {
text += *from;
}
}
else if (*(from + 1) < 0x90 || *(from + 1) > 0xAF) {
text += *from;
from++;
text += *from;
}
else {
from++;
}
}
}
return 0;
}
SWORD_NAMESPACE_END
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