forked from OctaForge/libcubescript
289 lines
9.3 KiB
C++
289 lines
9.3 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 (ostd::Size 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", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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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", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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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", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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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", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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char *s = new char[2];
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s[0] = char(args[0].get_int());
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s[1] = '\0';
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res.set_mstr(s);
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});
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cs.new_command("strlower", "s", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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ostd::ConstCharRange s = args[0].get_strr();
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char *buf = new char[s.size() + 1];
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for (auto i: ostd::range(s.size())) {
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buf[i] = tolower(s[i]);
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}
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buf[s.size()] = '\0';
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res.set_mstr(ostd::CharRange(buf, s.size()));
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});
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cs.new_command("strupper", "s", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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ostd::ConstCharRange s = args[0].get_strr();
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char *buf = new char[s.size() + 1];
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for (auto i: ostd::range(s.size())) {
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buf[i] = toupper(s[i]);
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}
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buf[s.size()] = '\0';
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res.set_mstr(ostd::CharRange(buf, s.size()));
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});
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cs.new_command("escape", "s", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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auto x = ostd::appender<CsString>();
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util::escape_string(x, args[0].get_strr());
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ostd::Size len = x.size();
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res.set_mstr(ostd::CharRange(x.get().disown(), len));
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});
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cs.new_command("unescape", "s", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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ostd::ConstCharRange s = args[0].get_strr();
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char *buf = new char[s.size() + 1];
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auto writer = ostd::CharRange(buf, s.size() + 1);
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util::unescape_string(writer, s);
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writer.put('\0');
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res.set_mstr(ostd::CharRange(buf, s.size()));
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});
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cs.new_command("concat", "V", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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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_mstr(s.get().iter());
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s.get().disown();
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});
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cs.new_command("concatword", "V", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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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_mstr(s.get().iter());
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s.get().disown();
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});
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cs.new_command("format", "V", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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if (args.empty()) {
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return;
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}
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CsVector<char> s;
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CsString fs = ostd::move(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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CsString sub = ostd::move(
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(ostd::Size(i) < args.size())
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? args[i].get_str()
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: CsString("")
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);
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s.push_n(sub.data(), sub.size());
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} else {
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s.push(ic);
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}
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} else {
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s.push(c);
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}
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}
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s.push('\0');
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ostd::Size len = s.size() - 1;
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res.set_mstr(ostd::CharRange(s.disown(), len));
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});
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cs.new_command("tohex", "ii", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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auto r = ostd::appender<CsVector<char>>();
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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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r.put('\0');
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ostd::Size len = r.size() - 1;
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res.set_mstr(ostd::CharRange(r.get().disown(), len));
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});
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cs.new_command("substr", "siiN", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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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", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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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", [](CsState &, CsValueRange args, CsValue &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", [](CsState &, CsValueRange args, CsValue &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", [](CsState &, CsValueRange args, CsValue &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", [](CsState &, CsValueRange args, CsValue &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", [](CsState &, CsValueRange args, CsValue &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", [](CsState &, CsValueRange args, CsValue &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", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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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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CsVector<char> 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 (ostd::Size 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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auto bef = ostd::slice_until(s, found);
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for (; !bef.empty(); ++bef) {
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buf.push(*bef);
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}
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auto use = (i & 1) ? newval2 : newval;
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for (; !use.empty(); ++use) {
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buf.push(*use);
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}
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s = found + oldval.size();
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} else {
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for (; !s.empty(); ++s) {
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buf.push(*s);
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}
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buf.push('\0');
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ostd::Size len = buf.size() - 1;
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res.set_mstr(ostd::CharRange(buf.disown(), len));
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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", [](
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CsState &, CsValueRange args, CsValue &res
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) {
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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 slen = CsInt(s.size()),
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vlen = CsInt(vals.size());
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CsInt offset = ostd::clamp(skip, CsInt(0), slen),
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len = ostd::clamp(count, CsInt(0), slen - offset);
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char *p = new char[slen - len + vlen + 1];
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if (offset) {
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memcpy(p, s.data(), offset);
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}
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if (vlen) {
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memcpy(&p[offset], vals.data(), vlen);
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}
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if (offset + len < slen) {
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memcpy(&p[offset + vlen], &s[offset + len], slen - (offset + len));
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}
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p[slen - len + vlen] = '\0';
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res.set_mstr(ostd::CharRange(p, slen - len + vlen));
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});
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}
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} /* namespace cscript */
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