---

thmlmorph.cpp

/******************************************************************************
 *
 * thmlmorph -  SWFilter decendant to hide or show morph tags
 *                      in a ThML module.
 */


#include <stdlib.h>
#include <string.h>
#include <thmlmorph.h>
#ifndef __GNUC__
#else
#include <unixstr.h>
#endif


const char ThMLMorph::on[] = "On";
const char ThMLMorph::off[] = "Off";
const char ThMLMorph::optName[] = "Morphological Tags";
const char ThMLMorph::optTip[] = "Toggles Morphological Tags On and Off if they exist";


ThMLMorph::ThMLMorph() {
        option = false;
        options.push_back(on);
        options.push_back(off);
}


ThMLMorph::~ThMLMorph() {
}

void ThMLMorph::setOptionValue(const char *ival)
{
        option = (!stricmp(ival, on));
}

const char *ThMLMorph::getOptionValue()
{
        return (option) ? on:off;
}

char ThMLMorph::ProcessText(char *text, int maxlen, const SWKey *key, const SWModule *module)
{
        if (!option) {  // if we don't want morph tags
                char *to, *from, token[2048]; // cheese.  Fix.
                int tokpos = 0;
                bool intoken = false;
                int len;
                bool lastspace = 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;
                                token[0] = 0;
                                token[1] = 0;
                                token[2] = 0;
                                continue;
                        }
                        if (*from == '>') {     // process tokens
                                intoken = false;
                                if (!strnicmp(token, "sync type=\"morph\" ", 18)) {     // Morph
                                  if ((from[1] == ' ') || (from[1] == ',') || (from[1] == ';') || (from[1] == '.') || (from[1] == '?') || (from[1] == '!') || (from[1] == ')') || (from[1] == '\'') || (from[1] == '\"')) {
                                    if (lastspace)
                                      to--;
                                  }
                                  continue;
                                }
                                // if not a morph tag token, keep token in text
                                *to++ = '<';
                                for (char *tok = token; *tok; tok++)
                                        *to++ = *tok;
                                *to++ = '>';
                                continue;
                        }
                        if (intoken) {
                                if (tokpos < 2045)
                                        token[tokpos++] = *from;
                                        token[tokpos+2] = 0;
                        }
                        else    {
                                *to++ = *from;
                                lastspace = (*from == ' ');
                        }
                }
                *to++ = 0;
                *to = 0;
        }
        return 0;
}

---