forked from OctaForge/libcubescript
637 lines
18 KiB
C++
637 lines
18 KiB
C++
#include <functional>
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#include "cubescript/cubescript.hh"
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#include "cs_util.hh"
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namespace cscript {
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template<typename T>
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struct CsArgVal;
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template<>
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struct CsArgVal<CsInt> {
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static CsInt get(CsValue &tv) {
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return tv.get_int();
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}
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};
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template<>
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struct CsArgVal<CsFloat> {
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static CsFloat get(CsValue &tv) {
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return tv.get_float();
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}
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};
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template<>
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struct CsArgVal<ostd::ConstCharRange> {
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static ostd::ConstCharRange get(CsValue &tv) {
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return tv.get_strr();
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}
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};
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template<typename T, typename F>
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static inline void cs_list_find(
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CsState &cs, CsValueRange args, CsValue &res, F cmp
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) {
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CsInt n = 0, skip = args[2].get_int();
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T val = CsArgVal<T>::get(args[1]);
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for (util::ListParser p(cs, args[0].get_strr()); p.parse(); ++n) {
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if (cmp(p, val)) {
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res.set_int(n);
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return;
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}
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for (int i = 0; i < skip; ++i) {
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if (!p.parse()) {
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goto notfound;
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}
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++n;
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}
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}
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notfound:
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res.set_int(-1);
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}
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template<typename T, typename F>
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static inline void cs_list_assoc(
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CsState &cs, CsValueRange args, CsValue &res, F cmp
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) {
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T val = CsArgVal<T>::get(args[1]);
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for (util::ListParser p(cs, args[0].get_strr()); p.parse();) {
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if (cmp(p, val)) {
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if (p.parse()) {
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res.set_str(p.get_item());
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}
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return;
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}
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if (!p.parse()) {
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break;
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}
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}
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}
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static void cs_loop_list_conc(
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CsState &cs, CsValue &res, CsIdent *id, ostd::ConstCharRange list,
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CsBytecode *body, bool space
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) {
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CsStackedValue idv{id};
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if (!idv.has_alias()) {
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return;
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}
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CsString r;
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int n = 0;
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for (util::ListParser p(cs, list); p.parse(); ++n) {
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idv.set_str(p.get_item());
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idv.push();
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if (n && space) {
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r += ' ';
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}
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CsValue v;
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switch (cs.run_loop(body, v)) {
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case CsLoopState::Break:
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goto end;
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case CsLoopState::Continue:
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continue;
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default:
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break;
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}
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r += v.get_str();
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}
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end:
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res.set_str(std::move(r));
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}
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int cs_list_includes(
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CsState &cs, ostd::ConstCharRange list, ostd::ConstCharRange needle
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) {
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int offset = 0;
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for (util::ListParser p(cs, list); p.parse();) {
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if (p.get_raw_item() == needle) {
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return offset;
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}
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++offset;
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}
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return -1;
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}
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template<bool PushList, bool Swap, typename F>
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static inline void cs_list_merge(
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CsState &cs, CsValueRange args, CsValue &res, F cmp
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) {
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ostd::ConstCharRange list = args[0].get_strr();
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ostd::ConstCharRange elems = args[1].get_strr();
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CsString buf;
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if (PushList) {
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buf += list;
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}
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if (Swap) {
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std::swap(list, elems);
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}
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for (util::ListParser p(cs, list); p.parse();) {
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if (cmp(cs_list_includes(cs, elems, p.get_raw_item()), 0)) {
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if (!buf.empty()) {
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buf += ' ';
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}
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buf += p.get_raw_item(true);
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}
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}
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res.set_str(std::move(buf));
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}
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static void cs_init_lib_list_sort(CsState &cs);
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void cs_init_lib_list(CsState &gcs) {
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gcs.new_command("listlen", "s", [](auto &cs, auto args, auto &res) {
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res.set_int(CsInt(util::ListParser(cs, args[0].get_strr()).count()));
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});
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gcs.new_command("at", "si1V", [](auto &cs, 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 str = std::move(args[0].get_str());
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util::ListParser p(cs, str);
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p.get_raw_item() = str;
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for (size_t i = 1; i < args.size(); ++i) {
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p.get_input() = str;
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CsInt pos = args[i].get_int();
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for (; pos > 0; --pos) {
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if (!p.parse()) {
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break;
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}
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}
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if (pos > 0 || !p.parse()) {
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p.get_raw_item() = p.get_raw_item(true) = ostd::ConstCharRange();
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}
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}
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res.set_str(p.get_item());
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});
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gcs.new_command("sublist", "siiN", [](auto &cs, auto args, auto &res) {
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CsInt skip = args[1].get_int(),
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count = args[2].get_int(),
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numargs = args[3].get_int();
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CsInt offset = ostd::max(skip, CsInt(0)),
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len = (numargs >= 3) ? ostd::max(count, CsInt(0)) : -1;
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util::ListParser p(cs, args[0].get_strr());
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for (CsInt i = 0; i < offset; ++i) {
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if (!p.parse()) break;
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}
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if (len < 0) {
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if (offset > 0) {
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p.skip();
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}
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res.set_str(CsString{p.get_input()});
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return;
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}
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char const *list = p.get_input().data();
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p.get_raw_item(true) = ostd::ConstCharRange();
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if (len > 0 && p.parse()) {
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while (--len > 0 && p.parse());
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}
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ostd::ConstCharRange quote = p.get_raw_item(true);
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char const *qend = !quote.empty() ? "e[quote.size()] : list;
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res.set_str(CsString{list, size_t(qend - list)});
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});
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gcs.new_command("listfind", "rse", [](auto &cs, auto args, auto &res) {
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CsStackedValue idv{args[0].get_ident()};
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if (!idv.has_alias()) {
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res.set_int(-1);
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return;
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}
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auto body = args[2].get_code();
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int n = -1;
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for (util::ListParser p(cs, args[1].get_strr()); p.parse();) {
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++n;
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idv.set_str(CsString{p.get_raw_item()});
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idv.push();
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if (cs.run_bool(body)) {
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res.set_int(CsInt(n));
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return;
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}
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}
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res.set_int(-1);
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});
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gcs.new_command("listassoc", "rse", [](auto &cs, auto args, auto &res) {
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CsStackedValue idv{args[0].get_ident()};
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if (!idv.has_alias()) {
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return;
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}
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auto body = args[2].get_code();
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int n = -1;
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for (util::ListParser p(cs, args[1].get_strr()); p.parse();) {
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++n;
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idv.set_str(CsString{p.get_raw_item()});
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idv.push();
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if (cs.run_bool(body)) {
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if (p.parse()) {
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res.set_str(p.get_item());
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}
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break;
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}
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if (!p.parse()) {
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break;
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}
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}
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});
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gcs.new_command("listfind=", "i", [](auto &cs, auto args, auto &res) {
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cs_list_find<CsInt>(
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cs, args, res, [](const util::ListParser &p, CsInt val) {
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return cs_parse_int(p.get_raw_item()) == val;
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}
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);
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});
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gcs.new_command("listfind=f", "f", [](auto &cs, auto args, auto &res) {
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cs_list_find<CsFloat>(
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cs, args, res, [](const util::ListParser &p, CsFloat val) {
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return cs_parse_float(p.get_raw_item()) == val;
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}
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);
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});
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gcs.new_command("listfind=s", "s", [](auto &cs, auto args, auto &res) {
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cs_list_find<ostd::ConstCharRange>(
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cs, args, res, [](const util::ListParser &p, ostd::ConstCharRange val) {
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return p.get_raw_item() == val;
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}
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);
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});
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gcs.new_command("listassoc=", "i", [](auto &cs, auto args, auto &res) {
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cs_list_assoc<CsInt>(
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cs, args, res, [](const util::ListParser &p, CsInt val) {
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return cs_parse_int(p.get_raw_item()) == val;
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}
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);
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});
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gcs.new_command("listassoc=f", "f", [](auto &cs, auto args, auto &res) {
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cs_list_assoc<CsFloat>(
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cs, args, res, [](const util::ListParser &p, CsFloat val) {
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return cs_parse_float(p.get_raw_item()) == val;
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}
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);
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});
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gcs.new_command("listassoc=s", "s", [](auto &cs, auto args, auto &res) {
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cs_list_assoc<ostd::ConstCharRange>(
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cs, args, res, [](const util::ListParser &p, ostd::ConstCharRange val) {
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return p.get_raw_item() == val;
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}
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);
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});
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gcs.new_command("looplist", "rse", [](auto &cs, auto args, auto &) {
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CsStackedValue idv{args[0].get_ident()};
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if (!idv.has_alias()) {
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return;
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}
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auto body = args[2].get_code();
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int n = 0;
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for (util::ListParser p(cs, args[1].get_strr()); p.parse(); ++n) {
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idv.set_str(p.get_item());
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idv.push();
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switch (cs.run_loop(body)) {
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case CsLoopState::Break:
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goto end;
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default: /* continue and normal */
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break;
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}
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}
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end:
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return;
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});
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gcs.new_command("looplist2", "rrse", [](auto &cs, auto args, auto &) {
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CsStackedValue idv1{args[0].get_ident()}, idv2{args[1].get_ident()};
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if (!idv1.has_alias() || !idv2.has_alias()) {
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return;
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}
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auto body = args[3].get_code();
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int n = 0;
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for (util::ListParser p(cs, args[2].get_strr()); p.parse(); n += 2) {
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idv1.set_str(p.get_item());
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if (p.parse()) {
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idv2.set_str(p.get_item());
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} else {
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idv2.set_str("");
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}
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idv1.push();
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idv2.push();
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switch (cs.run_loop(body)) {
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case CsLoopState::Break:
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goto end;
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default: /* continue and normal */
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break;
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}
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}
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end:
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return;
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});
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gcs.new_command("looplist3", "rrrse", [](auto &cs, auto args, auto &) {
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CsStackedValue idv1{args[0].get_ident()};
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CsStackedValue idv2{args[1].get_ident()};
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CsStackedValue idv3{args[2].get_ident()};
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if (!idv1.has_alias() || !idv2.has_alias() || !idv3.has_alias()) {
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return;
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}
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auto body = args[4].get_code();
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int n = 0;
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for (util::ListParser p(cs, args[3].get_strr()); p.parse(); n += 3) {
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idv1.set_str(p.get_item());
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if (p.parse()) {
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idv2.set_str(p.get_item());
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} else {
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idv2.set_str("");
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}
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if (p.parse()) {
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idv3.set_str(p.get_item());
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} else {
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idv3.set_str("");
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}
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idv1.push();
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idv2.push();
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idv3.push();
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switch (cs.run_loop(body)) {
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case CsLoopState::Break:
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goto end;
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default: /* continue and normal */
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break;
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}
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}
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end:
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return;
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});
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gcs.new_command("looplistconcat", "rse", [](auto &cs, auto args, auto &res) {
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cs_loop_list_conc(
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cs, res, args[0].get_ident(), args[1].get_strr(),
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args[2].get_code(), true
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);
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});
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gcs.new_command("looplistconcatword", "rse", [](
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auto &cs, auto args, auto &res
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) {
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cs_loop_list_conc(
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cs, res, args[0].get_ident(), args[1].get_strr(),
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args[2].get_code(), false
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);
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});
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gcs.new_command("listfilter", "rse", [](auto &cs, auto args, auto &res) {
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CsStackedValue idv{args[0].get_ident()};
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if (!idv.has_alias()) {
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return;
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}
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auto body = args[2].get_code();
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CsString r;
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int n = 0;
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for (util::ListParser p(cs, args[1].get_strr()); p.parse(); ++n) {
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idv.set_str(CsString{p.get_raw_item()});
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idv.push();
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if (cs.run_bool(body)) {
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if (r.size()) {
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r += ' ';
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}
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r += p.get_raw_item(true);
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}
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}
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res.set_str(std::move(r));
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});
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gcs.new_command("listcount", "rse", [](auto &cs, auto args, auto &res) {
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CsStackedValue idv{args[0].get_ident()};
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if (!idv.has_alias()) {
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return;
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}
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auto body = args[2].get_code();
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int n = 0, r = 0;
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for (util::ListParser p(cs, args[1].get_strr()); p.parse(); ++n) {
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idv.set_str(CsString{p.get_raw_item()});
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idv.push();
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if (cs.run_bool(body)) {
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r++;
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}
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}
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res.set_int(r);
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});
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gcs.new_command("prettylist", "ss", [](auto &cs, auto args, auto &res) {
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auto buf = ostd::appender<CsString>();
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ostd::ConstCharRange s = args[0].get_strr();
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ostd::ConstCharRange conj = args[1].get_strr();
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size_t len = util::ListParser(cs, s).count();
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size_t n = 0;
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for (util::ListParser p(cs, s); p.parse(); ++n) {
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if (!p.get_raw_item(true).empty() &&
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(p.get_raw_item(true).front() == '"')) {
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util::unescape_string(buf, p.get_raw_item());
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} else {
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buf.put_n(p.get_raw_item().data(), p.get_raw_item().size());
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}
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if ((n + 1) < len) {
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if ((len > 2) || conj.empty()) {
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buf.put(',');
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}
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if ((n + 2 == len) && !conj.empty()) {
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buf.put(' ');
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buf.put_n(conj.data(), conj.size());
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}
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buf.put(' ');
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}
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}
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res.set_str(std::move(buf.get()));
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});
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gcs.new_command("indexof", "ss", [](auto &cs, auto args, auto &res) {
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res.set_int(
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cs_list_includes(cs, args[0].get_strr(), args[1].get_strr())
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);
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});
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gcs.new_command("listdel", "ss", [](auto &cs, auto args, auto &res) {
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cs_list_merge<false, false>(cs, args, res, std::less<int>());
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});
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gcs.new_command("listintersect", "ss", [](auto &cs, auto args, auto &res) {
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cs_list_merge<false, false>(cs, args, res, std::greater_equal<int>());
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});
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gcs.new_command("listunion", "ss", [](auto &cs, auto args, auto &res) {
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cs_list_merge<true, true>(cs, args, res, std::less<int>());
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});
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gcs.new_command("listsplice", "ssii", [](auto &cs, auto args, auto &res) {
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CsInt offset = ostd::max(args[2].get_int(), CsInt(0));
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CsInt len = ostd::max(args[3].get_int(), CsInt(0));
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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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char const *list = s.data();
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util::ListParser p(cs, s);
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for (CsInt i = 0; i < offset; ++i) {
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if (!p.parse()) {
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break;
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}
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}
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ostd::ConstCharRange quote = p.get_raw_item(true);
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char const *qend = !quote.empty() ? "e[quote.size()] : list;
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CsString buf;
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if (qend > list) {
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buf += ostd::ConstCharRange(list, qend);
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}
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if (!vals.empty()) {
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if (!buf.empty()) {
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buf += ' ';
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}
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buf += vals;
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}
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for (CsInt i = 0; i < len; ++i) {
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if (!p.parse()) {
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break;
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}
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}
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p.skip();
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if (!p.get_input().empty()) {
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switch (p.get_input().front()) {
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case ')':
|
|
case ']':
|
|
break;
|
|
default:
|
|
if (!buf.empty()) {
|
|
buf += ' ';
|
|
}
|
|
buf += p.get_input();
|
|
break;
|
|
}
|
|
}
|
|
res.set_str(std::move(buf));
|
|
});
|
|
|
|
cs_init_lib_list_sort(gcs);
|
|
}
|
|
|
|
struct ListSortItem {
|
|
ostd::ConstCharRange str;
|
|
ostd::ConstCharRange quote;
|
|
};
|
|
|
|
struct ListSortFun {
|
|
CsState &cs;
|
|
CsStackedValue &xv, &yv;
|
|
CsBytecode *body;
|
|
|
|
bool operator()(ListSortItem const &xval, ListSortItem const &yval) {
|
|
xv.set_cstr(xval.str);
|
|
yv.set_cstr(yval.str);
|
|
xv.push();
|
|
yv.push();
|
|
return cs.run_bool(body);
|
|
}
|
|
};
|
|
|
|
static void cs_list_sort(
|
|
CsState &cs, CsValue &res, ostd::ConstCharRange list,
|
|
CsIdent *x, CsIdent *y, CsBytecode *body, CsBytecode *unique
|
|
) {
|
|
if (x == y || !x->is_alias() || !y->is_alias()) {
|
|
return;
|
|
}
|
|
|
|
CsAlias *xa = static_cast<CsAlias *>(x), *ya = static_cast<CsAlias *>(y);
|
|
|
|
CsVector<ListSortItem> items;
|
|
size_t total = 0;
|
|
|
|
for (util::ListParser p(cs, list); p.parse();) {
|
|
ListSortItem item = { p.get_raw_item(), p.get_raw_item(true) };
|
|
items.push_back(item);
|
|
total += item.quote.size();
|
|
}
|
|
|
|
if (items.empty()) {
|
|
res.set_str(CsString{list});
|
|
return;
|
|
}
|
|
|
|
CsStackedValue xval{xa}, yval{ya};
|
|
xval.set_null();
|
|
yval.set_null();
|
|
xval.push();
|
|
yval.push();
|
|
|
|
size_t totaluniq = total;
|
|
size_t nuniq = items.size();
|
|
if (body) {
|
|
ListSortFun f = { cs, xval, yval, body };
|
|
ostd::sort_cmp(ostd::iter(items), f);
|
|
if (!cs_code_is_empty(unique)) {
|
|
f.body = unique;
|
|
totaluniq = items[0].quote.size();
|
|
nuniq = 1;
|
|
for (size_t i = 1; i < items.size(); i++) {
|
|
ListSortItem &item = items[i];
|
|
if (f(items[i - 1], item)) {
|
|
item.quote = nullptr;
|
|
} else {
|
|
totaluniq += item.quote.size();
|
|
++nuniq;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
ListSortFun f = { cs, xval, yval, unique };
|
|
totaluniq = items[0].quote.size();
|
|
nuniq = 1;
|
|
for (size_t i = 1; i < items.size(); i++) {
|
|
ListSortItem &item = items[i];
|
|
for (size_t j = 0; j < i; ++j) {
|
|
ListSortItem &prev = items[j];
|
|
if (!prev.quote.empty() && f(item, prev)) {
|
|
item.quote = nullptr;
|
|
break;
|
|
}
|
|
}
|
|
if (!item.quote.empty()) {
|
|
totaluniq += item.quote.size();
|
|
++nuniq;
|
|
}
|
|
}
|
|
}
|
|
|
|
xval.pop();
|
|
yval.pop();
|
|
|
|
CsString sorted;
|
|
sorted.reserve(totaluniq + ostd::max(nuniq - 1, size_t(0)));
|
|
for (size_t i = 0; i < items.size(); ++i) {
|
|
ListSortItem &item = items[i];
|
|
if (item.quote.empty()) {
|
|
continue;
|
|
}
|
|
if (i) {
|
|
sorted += ' ';
|
|
}
|
|
sorted += item.quote;
|
|
}
|
|
res.set_str(std::move(sorted));
|
|
}
|
|
|
|
static void cs_init_lib_list_sort(CsState &gcs) {
|
|
gcs.new_command("sortlist", "srree", [](auto &cs, auto args, auto &res) {
|
|
cs_list_sort(
|
|
cs, res, args[0].get_strr(), args[1].get_ident(),
|
|
args[2].get_ident(), args[3].get_code(), args[4].get_code()
|
|
);
|
|
});
|
|
gcs.new_command("uniquelist", "srre", [](auto &cs, auto args, auto &res) {
|
|
cs_list_sort(
|
|
cs, res, args[0].get_strr(), args[1].get_ident(),
|
|
args[2].get_ident(), nullptr, args[3].get_code()
|
|
);
|
|
});
|
|
}
|
|
|
|
} /* namespace cscript */
|