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#include "..\commons.h"
RepList::RepList(int n) {
dat = (replentry **) malloc(sizeof(replentry *) * n);
if (dat == 0) size = 0; else size = n;
pos = 0;
}
RepList::~RepList()
{
for (int i = 0; i < pos; i++) {
free(dat[i]->pattern);
free(dat[i]->pattern2);
free(dat[i]);
}
free(dat);
}
int RepList::get_pos() {
return pos;
}
replentry * RepList::item(int n) {
return dat[n];
}
int RepList::findnear(const char * word) {
int p1 = 0;
int p2 = pos;
while ((p2 - p1) > 1) {
int m = (p1 + p2) / 2;
int c = strcmp(word, dat[m]->pattern);
if (c <= 0) {
if (c < 0) p2 = m; else p1 = p2 = m;
} else p1 = m;
}
return p1;
}
int RepList::match(const char * word, int n) {
if (strncmp(word, dat[n]->pattern, strlen(dat[n]->pattern)) == 0) return strlen(dat[n]->pattern);
return 0;
}
int RepList::add(char * pat1, char * pat2) {
if (pos >= size || pat1 == NULL || pat2 == NULL) return 1;
replentry * r = (replentry *) malloc(sizeof(replentry));
if (r == NULL) return 1;
r->pattern = mystrrep(pat1, "_", " ");
r->pattern2 = mystrrep(pat2, "_", " ");
r->start = false;
r->end = false;
dat[pos++] = r;
for (int i = pos - 1; i > 0; i--) {
r = dat[i];
if (strcmp(r->pattern, dat[i - 1]->pattern) < 0) {
dat[i] = dat[i - 1];
dat[i - 1] = r;
} else break;
}
return 0;
}
int RepList::conv(const char * word, char * dest) {
int stl = 0;
int change = 0;
for (size_t i = 0; i < strlen(word); i++) {
int n = findnear(word + i);
int l = match(word + i, n);
if (l) {
strcpy(dest + stl, dat[n]->pattern2);
stl += strlen(dat[n]->pattern2);
i += l - 1;
change = 1;
} else dest[stl++] = word[i];
}
dest[stl] = '\0';
return change;
}
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