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/******************************************************************************
*
* gbffootnotes - SWFilter decendant to hide or show footnotes
* in a GBF module.
*/
#include <stdlib.h>
#include <string.h>
#include <gbffootnotes.h>
#ifndef __GNUC__
#else
#include <unixstr.h>
#endif
const char GBFFootnotes::on[] = "On";
const char GBFFootnotes::off[] = "Off";
const char GBFFootnotes::optName[] = "Footnotes";
const char GBFFootnotes::optTip[] = "Toggles Footnotes On and Off if they exist";
GBFFootnotes::GBFFootnotes() {
option = false;
options.push_back(on);
options.push_back(off);
}
GBFFootnotes::~GBFFootnotes() {
}
void GBFFootnotes::setOptionValue(const char *ival)
{
option = (!stricmp(ival, on));
}
const char *GBFFootnotes::getOptionValue()
{
return (option) ? on:off;
}
char GBFFootnotes::ProcessText(char *text, int maxlen, const SWKey *key, const SWModule *module)
{
if (!option) { // if we don't want footnotes
char *to, *from, token[4096]; // cheese. Fix.
int tokpos = 0;
bool intoken = false;
int len;
bool hide = false;
len = strlen(text) + 1; // shift string to right of buffer
if (len < maxlen) {
memmove(&text[maxlen - len], text, len);
from = &text[maxlen - len];
}
else from = text; // -------------------------------
for (to = text; *from; from++) {
if (*from == '<') {
intoken = true;
tokpos = 0;
// memset(token, 0, 4096);
token[0] = 0;
token[1] = 0;
token[2] = 0;
continue;
}
if (*from == '>') { // process tokens
intoken = false;
switch (*token) {
case 'R': // Reference
switch(token[1]) {
case 'F': // Begin footnote
hide = true;
break;
case 'f': // end footnote
hide = false;
break;
}
continue; // skip token
case 'W':
if (token[1] == 'T') {
switch (token[2]) {
case 'P':
case 'S':
case 'A':
continue; // remove this token
default:
break;
}
}
}
// if not a footnote token, keep token in text
if (!hide) {
*to++ = '<';
for (char *tok = token; *tok; tok++)
*to++ = *tok;
*to++ = '>';
}
continue;
}
if (intoken) {
if (tokpos < 4090)
token[tokpos++] = *from;
token[tokpos+2] = 0; // +2 cuz we init token with 2 extra '0' because of switch statement
}
else {
if (!hide) {
*to++ = *from;
}
}
}
*to++ = 0;
*to = 0;
}
return 0;
}
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