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/******************************************************************************
*
* papyriplain - SWFilter descendant to strip out all Papyri tags
*
*
* 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 <papyriplain.h>
SWORD_NAMESPACE_START
PapyriPlain::PapyriPlain() {
}
char PapyriPlain::processText (SWBuf &text, const SWKey *key, const SWModule *module)
{
SWBuf orig = text;
const char *from = orig.c_str();
for (text = ""; *from; ++from) {
// remove hyphen and whitespace if that is all that separates words
// also be sure we're not a double hyphen '--'
if ((*from == '-') && (text.length() > 0) && (text[text.length()-1] != '-')) {
char remove = 0;
const char *c;
for (c = from+1; *c; c++) {
if ((*c == 10) || (*c == 13)) {
remove = 1;
}
if (!strchr(" \t\n", *c)) {
if (remove) remove++;
break;
}
}
if (remove > 1) {
from = c-1;
continue;
}
}
// remove all newlines
if ((*from == 10) || (*from == 13)) {
if ((text.length()>1) && (text[text.length()-2] != ' ') && (*(from+1) != ' '))
text.append(' ');
continue;
}
// strip odd characters
switch (*from) {
case '(':
case ')':
case '[':
case ']':
case '{':
case '}':
case '<':
case '>':
continue;
}
// if we've made it this far
text.append(*from);
}
return 0;
}
SWORD_NAMESPACE_END
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