225 lines
7.4 KiB
C++
225 lines
7.4 KiB
C++
#include <ostd/functional.hh>
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#include "cubescript/cubescript.hh"
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namespace cscript {
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template<typename F>
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static inline void cs_strgcmp(CsValueRange args, CsValue &res, F cfunc) {
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bool val;
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if (args.size() >= 2) {
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val = cfunc(args[0].get_strr(), args[1].get_strr());
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for (size_t i = 2; (i < args.size()) && val; ++i) {
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val = cfunc(args[i - 1].get_strr(), args[i].get_strr());
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}
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} else {
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val = cfunc(
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!args.empty() ? args[0].get_strr() : ostd::ConstCharRange(),
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ostd::ConstCharRange()
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);
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}
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res.set_int(CsInt(val));
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};
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void cs_init_lib_string(CsState &cs) {
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cs.new_command("strstr", "ss", [](auto &, auto args, auto &res) {
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ostd::ConstCharRange a = args[0].get_strr(), b = args[1].get_strr();
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ostd::ConstCharRange s = a;
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for (CsInt i = 0; b.size() <= s.size(); ++i) {
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if (b == s.slice(0, b.size())) {
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res.set_int(i);
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return;
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}
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++s;
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}
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res.set_int(-1);
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});
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cs.new_command("strlen", "s", [](auto &, auto args, auto &res) {
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res.set_int(CsInt(args[0].get_strr().size()));
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});
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cs.new_command("strcode", "si", [](auto &, auto args, auto &res) {
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ostd::ConstCharRange str = args[0].get_strr();
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CsInt i = args[1].get_int();
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if (i >= CsInt(str.size())) {
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res.set_int(0);
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} else {
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res.set_int(ostd::byte(str[i]));
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}
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});
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cs.new_command("codestr", "i", [](auto &, auto args, auto &res) {
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res.set_str(CsString(1, char(args[0].get_int())));
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});
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cs.new_command("strlower", "s", [](auto &, auto args, auto &res) {
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CsString s = args[0].get_str();
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for (auto i: ostd::range(s.size())) {
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s[i] = tolower(s[i]);
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}
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res.set_str(std::move(s));
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});
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cs.new_command("strupper", "s", [](auto &, auto args, auto &res) {
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CsString s = args[0].get_str();
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for (auto i: ostd::range(s.size())) {
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s[i] = toupper(s[i]);
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}
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res.set_str(std::move(s));
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});
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cs.new_command("escape", "s", [](auto &, auto args, auto &res) {
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auto s = ostd::appender<CsString>();
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util::escape_string(s, args[0].get_strr());
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res.set_str(std::move(s.get()));
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});
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cs.new_command("unescape", "s", [](auto &, auto args, auto &res) {
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auto s = ostd::appender<CsString>();
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util::unescape_string(s, args[0].get_strr());
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res.set_str(std::move(s.get()));
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});
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cs.new_command("concat", "V", [](auto &, auto args, auto &res) {
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auto s = ostd::appender<CsString>();
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cscript::util::tvals_concat(s, args, " ");
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res.set_str(std::move(s.get()));
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});
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cs.new_command("concatword", "V", [](auto &, auto args, auto &res) {
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auto s = ostd::appender<CsString>();
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cscript::util::tvals_concat(s, args);
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res.set_str(std::move(s.get()));
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});
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cs.new_command("format", "V", [](auto &, auto args, auto &res) {
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if (args.empty()) {
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return;
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}
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CsString s;
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CsString fs = args[0].get_str();
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ostd::ConstCharRange f = fs.iter();
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while (!f.empty()) {
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char c = *f;
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++f;
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if ((c == '%') && !f.empty()) {
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char ic = *f;
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++f;
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if (ic >= '1' && ic <= '9') {
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int i = ic - '0';
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if (size_t(i) < args.size()) {
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s += args[i].get_str();
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}
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} else {
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s += ic;
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}
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} else {
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s += c;
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}
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}
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res.set_str(std::move(s));
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});
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cs.new_command("tohex", "ii", [](auto &, auto args, auto &res) {
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auto r = ostd::appender<CsString>();
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ostd::format(
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r, "0x%.*X", ostd::max(args[1].get_int(), CsInt(1)),
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args[0].get_int()
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);
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res.set_str(std::move(r.get()));
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});
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cs.new_command("substr", "siiN", [](auto &, auto args, auto &res) {
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ostd::ConstCharRange s = args[0].get_strr();
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CsInt start = args[1].get_int(), count = args[2].get_int();
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CsInt numargs = args[3].get_int();
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CsInt len = CsInt(s.size()), offset = ostd::clamp(start, CsInt(0), len);
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res.set_str(ostd::ConstCharRange(
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&s[offset],
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(numargs >= 3)
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? ostd::clamp(count, CsInt(0), len - offset)
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: (len - offset)
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));
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});
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cs.new_command("strcmp", "s1V", [](auto &, auto args, auto &res) {
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cs_strgcmp(args, res, ostd::Equal<ostd::ConstCharRange>());
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});
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cs.new_command("=s", "s1V", [](auto &, auto args, auto &res) {
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cs_strgcmp(args, res, ostd::Equal<ostd::ConstCharRange>());
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});
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cs.new_command("!=s", "s1V", [](auto &, auto args, auto &res) {
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cs_strgcmp(args, res, ostd::NotEqual<ostd::ConstCharRange>());
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});
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cs.new_command("<s", "s1V", [](auto &, auto args, auto &res) {
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cs_strgcmp(args, res, ostd::Less<ostd::ConstCharRange>());
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});
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cs.new_command(">s", "s1V", [](auto &, auto args, auto &res) {
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cs_strgcmp(args, res, ostd::Greater<ostd::ConstCharRange>());
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});
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cs.new_command("<=s", "s1V", [](auto &, auto args, auto &res) {
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cs_strgcmp(args, res, ostd::LessEqual<ostd::ConstCharRange>());
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});
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cs.new_command(">=s", "s1V", [](auto &, auto args, auto &res) {
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cs_strgcmp(args, res, ostd::GreaterEqual<ostd::ConstCharRange>());
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});
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cs.new_command("strreplace", "ssss", [](auto &, auto args, auto &res) {
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ostd::ConstCharRange s = args[0].get_strr();
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ostd::ConstCharRange oldval = args[1].get_strr(),
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newval = args[2].get_strr(),
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newval2 = args[3].get_strr();
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if (newval2.empty()) {
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newval2 = newval;
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}
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CsString buf;
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if (!oldval.size()) {
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res.set_str(s);
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return;
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}
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for (size_t i = 0;; ++i) {
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ostd::ConstCharRange found;
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ostd::ConstCharRange trys = s;
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for (; oldval.size() <= trys.size(); ++trys) {
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if (trys.slice(0, oldval.size()) == oldval) {
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found = trys;
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break;
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}
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}
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if (!found.empty()) {
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buf += ostd::slice_until(s, found);
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buf += (i & 1) ? newval2 : newval;
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s = found + oldval.size();
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} else {
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buf += s;
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res.set_str(std::move(buf));
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return;
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}
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}
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});
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cs.new_command("strsplice", "ssii", [](auto &, auto args, auto &res) {
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ostd::ConstCharRange s = args[0].get_strr();
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ostd::ConstCharRange vals = args[1].get_strr();
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CsInt skip = args[2].get_int(),
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count = args[3].get_int();
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CsInt offset = ostd::clamp(skip, CsInt(0), CsInt(s.size())),
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len = ostd::clamp(count, CsInt(0), CsInt(s.size()) - offset);
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CsString p;
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p.reserve(s.size() - len + vals.size());
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if (offset) {
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p += s.slice(0, offset);
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}
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if (!vals.empty()) {
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p += vals;
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}
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if ((offset + len) < CsInt(s.size())) {
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p += s.slice(offset + len, s.size());
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}
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res.set_str(std::move(p));
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});
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}
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} /* namespace cscript */
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