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master
Daniel Kolesa 2015-08-08 01:50:31 +01:00
parent f739b98bbf
commit ed379afe83
1 changed files with 47 additions and 34 deletions
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81
command.cc
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@ -4297,40 +4297,6 @@ void init_lib_math(CsState &cs) {
#undef CS_CMD_CMP
}
char *strreplace(CsState &, const char *s, const char *oldval, const char *newval, const char *newval2) {
ostd::Vector<char> buf;
int oldlen = strlen(oldval);
if (!oldlen) return dup_ostr(s);
for (int i = 0;; i++) {
const char *found = strstr(s, oldval);
if (found) {
while (s < found) buf.push(*s++);
for (const char *n = i & 1 ? newval2 : newval; *n; n++) buf.push(*n);
s = found + oldlen;
} else {
while (*s) buf.push(*s++);
buf.push('\0');
return dup_ostr(ostd::ConstCharRange(buf.data(), buf.size()));
}
}
}
ICOMMAND(strreplace, "ssss", (CsState &cs, char *s, char *o, char *n, char *n2), cs.result->set_str(strreplace(cs, s, o, n, n2[0] ? n2 : n)));
void strsplice(CsState &cs, const char *s, const char *vals, int *skip, int *count) {
int slen = strlen(s), vlen = strlen(vals),
offset = ostd::clamp(*skip, 0, slen),
len = ostd::clamp(*count, 0, slen - offset);
char *p = new char[slen - len + vlen + 1];
if (offset) memcpy(p, s, offset);
if (vlen) memcpy(&p[offset], vals, vlen);
if (offset + len < slen) memcpy(&p[offset + vlen], &s[offset + len], slen - (offset + len));
p[slen - len + vlen] = '\0';
cs.result->set_str(p);
}
COMMAND(strsplice, "ssii");
void init_lib_list(CsState &) {
}
@ -4455,6 +4421,53 @@ void init_lib_string(CsState &cs) {
CS_CMD_CMPS(>=s, >=);
#undef CS_CMD_CMPS
cs.add_command("strreplace", "ssss", [](CsState &cs, const char *s,
const char *oldval,
const char *newval,
const char *newval2) {
if (!newval2[0]) newval2 = newval;
ostd::Vector<char> buf;
int oldlen = strlen(oldval);
if (!oldlen) {
cs.result->set_str(dup_ostr(s));
return;
}
for (int i = 0;; ++i) {
const char *found = strstr(s, oldval);
if (found) {
while (s < found) buf.push(*s++);
for (const char *n = (i & 1) ? newval2 : newval; *n; ++n)
buf.push(*n);
s = found + oldlen;
} else {
while (*s)
buf.push(*s++);
buf.push('\0');
cs.result->set_str(dup_ostr(ostd::ConstCharRange(buf.data(),
buf.size())));
return;
}
}
});
cs.add_command("strsplice", "ssii", [](CsState &cs, const char *s,
const char *vals, int *skip,
int *count) {
int slen = strlen(s),
vlen = strlen(vals),
offset = ostd::clamp(*skip, 0, slen),
len = ostd::clamp(*count, 0, slen - offset);
char *p = new char[slen - len + vlen + 1];
if (offset)
memcpy(p, s, offset);
if (vlen)
memcpy(&p[offset], vals, vlen);
if (offset + len < slen)
memcpy(&p[offset + vlen], &s[offset + len], slen - (offset + len));
p[slen - len + vlen] = '\0';
cs.result->set_str(p);
});
}
void init_lib_shell(CsState &cs) {