// Search 'substr' in 'instr' and add a prefix to the 'substr'.
// Returns TRUE on success, and the 'outstr' holds the result string.
// Returns FALSE if 'substr' does not appear in 'instr'.
//
static BOOL AddNamespacePrefix(
/* [in] */ char *instr,
/* [in] */ const char *substr,
/* [out] */ char * outstr)
{
assert(instr != NULL);
assert(substr != NULL);
assert(outstr != NULL);
int nsubstr = strlen(substr);
if (nsubstr == 0) {
return FALSE;
}
char * p = strstr(instr, substr);
if (p == NULL) {
return FALSE;
}
int n = strlen(instr);
char * instrend = instr + n;
unsigned int neplstr = strlen(s_replstr);
char * q;
char * pbuf = outstr;
pbuf[0] = 0;
while (p != NULL) {
if (p > instr) {
n = p - instr;
strncat(pbuf, instr, n);
pbuf += n;
}
q = p + nsubstr;
if (((p != instr && IsWordBoundary(*(p - 1))) || (p == instr))
&& (((q < instrend) && IsWordBoundary(*q)) || (q == instrend))) {
strcat(pbuf, s_replstr);
pbuf += neplstr;
}
strncat(pbuf, p, nsubstr);
pbuf += nsubstr;
instr = p + nsubstr;
p = strstr(instr, substr);
}
if (instr != instrend) {
strcat(pbuf, instr);
}
return TRUE;
}
// this function looks for portions of the text that can be skipped because it
// begins with a word to ignore or one of its synonyms.
// note that more than one item could match, all should be tried
vector<size_t> CWord_substitution :: GetMatchLens(const string& text, const string& pattern, char prev_char) const
{
vector<size_t> match_lens;
size_t len;
if (!IsSetWord()) {
// doesn't make sense
} else if (!NStr::StartsWith(pattern, GetWord(), GetCase_sensitive() ? NStr::eCase : NStr::eNocase)) {
// no match
} else if (IsSetSynonyms()) {
ITERATE(CWord_substitution::TSynonyms, syn, GetSynonyms()) {
len = (*syn).length();
if (NStr::StartsWith(text, *syn, GetCase_sensitive() ? NStr::eCase : NStr::eNocase)
&& (!IsSetWhole_word()
|| (IsWordBoundary(prev_char) && IsWordBoundary(text.c_str()[len])))) {
// text matches synonym
match_lens.push_back(len);
}
}
} else {