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get rid of cs_string in lib_str

master
Daniel Kolesa 2021-03-19 02:50:48 +01:00
parent 5ee7e27839
commit e74d8b5bef
2 changed files with 25 additions and 23 deletions
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4
src/cs_util.hh
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@ -197,6 +197,10 @@ struct cs_charbuf {
void push_back(char c) { buf.push_back(c); }
void append(ostd::string_range v) {
buf.insert(buf.end(), &v[0], &v[v.size()]);
}
ostd::string_range str() {
return ostd::string_range{buf.data(), buf.data() + buf.size()};
}

44
src/lib_str.cc
View File

@ -102,11 +102,11 @@ void cs_init_lib_string(cs_state &cs) {
res.set_str(value_list_concat(ccs, args));
});
cs.new_command("format", "V", [](auto &, auto args, auto &res) {
cs.new_command("format", "V", [](auto &ccs, auto args, auto &res) {
if (args.empty()) {
return;
}
cs_string s;
cs_charbuf s{ccs};
cs_strref fs = args[0].get_str();
ostd::string_range f{fs};
while (!f.empty()) {
@ -118,20 +118,20 @@ void cs_init_lib_string(cs_state &cs) {
if (ic >= '1' && ic <= '9') {
int i = ic - '0';
if (size_t(i) < args.size()) {
s += ostd::string_range{args[i].get_str()};
s.append(args[i].get_str());
}
} else {
s += ic;
s.push_back(ic);
}
} else {
s += c;
s.push_back(c);
}
}
res.set_str(s);
res.set_str(s.str());
});
cs.new_command("tohex", "ii", [](auto &, auto args, auto &res) {
auto r = ostd::appender<cs_string>();
cs.new_command("tohex", "ii", [](auto &ccs, auto args, auto &res) {
auto r = ostd::appender<cs_charbuf>(ccs);
try {
ostd::format(
r, "0x%.*X", std::max(args[1].get_int(), cs_int(1)),
@ -140,7 +140,7 @@ void cs_init_lib_string(cs_state &cs) {
} catch (ostd::format_error const &e) {
throw cs_internal_error{e.what()};
}
res.set_str(r.get());
res.set_str(r.get().str());
});
cs.new_command("substr", "siiN", [](auto &, auto args, auto &res) {
@ -178,7 +178,7 @@ void cs_init_lib_string(cs_state &cs) {
cs_strgcmp(args, res, std::greater_equal<ostd::string_range>());
});
cs.new_command("strreplace", "ssss", [](auto &, auto args, auto &res) {
cs.new_command("strreplace", "ssss", [](auto &ccs, auto args, auto &res) {
ostd::string_range s = args[0].get_str();
ostd::string_range oldval = args[1].get_str(),
newval = args[2].get_str(),
@ -186,11 +186,11 @@ void cs_init_lib_string(cs_state &cs) {
if (newval2.empty()) {
newval2 = newval;
}
cs_string buf;
if (!oldval.size()) {
res.set_str(s);
return;
}
cs_charbuf buf{ccs};
for (size_t i = 0;; ++i) {
ostd::string_range found;
ostd::string_range trys = s;
@ -201,36 +201,34 @@ void cs_init_lib_string(cs_state &cs) {
}
}
if (!found.empty()) {
buf += s.slice(0, &found[0] - &s[0]);
buf += (i & 1) ? newval2 : newval;
buf.append(s.slice(0, &found[0] - &s[0]));
buf.append((i & 1) ? newval2 : newval);
s = found.slice(oldval.size(), found.size());
} else {
buf += s;
res.set_str(buf);
buf.append(s);
res.set_str(buf.str());
return;
}
}
});
cs.new_command("strsplice", "ssii", [](auto &, auto args, auto &res) {
cs.new_command("strsplice", "ssii", [](auto &ccs, auto args, auto &res) {
ostd::string_range s = args[0].get_str();
ostd::string_range vals = args[1].get_str();
cs_int skip = args[2].get_int(),
count = args[3].get_int();
cs_int offset = std::clamp(skip, cs_int(0), cs_int(s.size())),
len = std::clamp(count, cs_int(0), cs_int(s.size()) - offset);
cs_string p;
cs_charbuf p{ccs};
p.reserve(s.size() - len + vals.size());
if (offset) {
p += s.slice(0, offset);
}
if (!vals.empty()) {
p += vals;
p.append(s.slice(0, offset));
}
p.append(vals);
if ((offset + len) < cs_int(s.size())) {
p += s.slice(offset + len, s.size());
p.append(s.slice(offset + len, s.size()));
}
res.set_str(p);
res.set_str(p.str());
});
}