630 lines
18 KiB
C++
630 lines
18 KiB
C++
#include <functional>
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#include <iterator>
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#include <cubescript/cubescript.hh>
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#include "cs_std.hh"
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#include "cs_parser.hh"
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#include "cs_thread.hh"
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namespace cubescript {
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template<typename T>
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struct arg_val;
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template<>
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struct arg_val<integer_type> {
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static integer_type get(any_value &tv, state &) {
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return tv.get_integer();
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}
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};
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template<>
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struct arg_val<float_type> {
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static float_type get(any_value &tv, state &) {
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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 arg_val<std::string_view> {
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static std::string_view get(any_value &tv, state &cs) {
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return tv.get_string(cs);
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}
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};
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template<typename T, typename F>
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static inline void list_find(
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state &cs, span_type<any_value> args, any_value &res, F cmp
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) {
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integer_type n = 0, skip = args[2].get_integer();
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T val = arg_val<T>::get(args[1], cs);
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for (list_parser p{cs, args[0].get_string(cs)}; p.parse(); ++n) {
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if (cmp(p, val)) {
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res.set_integer(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_integer(-1);
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}
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template<typename T, typename F>
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static inline void list_assoc(
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state &cs, span_type<any_value> args, any_value &res, F cmp
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) {
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T val = arg_val<T>::get(args[1], cs);
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for (list_parser p{cs, args[0].get_string(cs)}; p.parse();) {
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if (cmp(p, val)) {
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if (p.parse()) {
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res.set_string(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 loop_list_conc(
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state &cs, any_value &res, ident &id, std::string_view list,
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bcode_ref &&body, bool space
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) {
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alias_local st{cs, id};
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any_value idv{};
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charbuf r{cs};
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int n = 0;
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for (list_parser p{cs, list}; p.parse(); ++n) {
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idv.set_string(p.get_item());
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st.set(std::move(idv));
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if (n && space) {
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r.push_back(' ');
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}
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any_value v{};
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switch (body.call_loop(cs, v)) {
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case loop_state::BREAK:
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goto end;
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case loop_state::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.append(v.get_string(cs));
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}
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end:
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res.set_string(r.str(), cs);
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}
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int list_includes(
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state &cs, std::string_view list, std::string_view needle
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) {
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int offset = 0;
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for (list_parser p{cs, list}; p.parse();) {
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if (p.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 list_merge(
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state &cs, span_type<any_value> args, any_value &res, F cmp
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) {
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std::string_view list = args[0].get_string(cs);
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std::string_view elems = args[1].get_string(cs);
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charbuf buf{cs};
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if (PushList) {
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buf.append(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 (list_parser p{cs, list}; p.parse();) {
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if (cmp(list_includes(cs, elems, p.raw_item()), 0)) {
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if (!buf.empty()) {
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buf.push_back(' ');
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}
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buf.append(p.quoted_item());
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}
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}
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res.set_string(buf.str(), cs);
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}
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static void init_lib_list_sort(state &cs);
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LIBCUBESCRIPT_EXPORT void std_init_list(state &gcs) {
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new_cmd_quiet(gcs, "listlen", "s", [](auto &cs, auto args, auto &res) {
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res.set_integer(
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integer_type(list_parser{cs, args[0].get_string(cs)}.count())
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);
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});
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new_cmd_quiet(gcs, "at", "si1...", [](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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if (args.size() <= 1) {
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res = args[0];
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return;
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}
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auto str = args[0].get_string(cs);
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list_parser p{cs, str};
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for (size_t i = 1; i < args.size(); ++i) {
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p.set_input(str);
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integer_type pos = args[i].get_integer();
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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.set_input("");
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}
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}
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res.set_string(p.get_item());
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});
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new_cmd_quiet(gcs, "sublist", "sii#", [](auto &cs, auto args, auto &res) {
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integer_type skip = args[1].get_integer(),
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count = args[2].get_integer(),
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numargs = args[3].get_integer();
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integer_type offset = std::max(skip, integer_type(0)),
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len = (numargs >= 3) ? std::max(count, integer_type(0)) : -1;
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list_parser p{cs, args[0].get_string(cs)};
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for (integer_type 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_until_item();
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}
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res.set_string(p.input(), cs);
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return;
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}
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char const *list = p.input().data();
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if (len > 0 && p.parse()) {
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while (--len > 0 && p.parse());
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} else {
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res.set_string("", cs);
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return;
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}
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auto quote = p.quoted_item();
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auto *qend = "e[quote.size()];
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res.set_string(make_str_view(list, qend), cs);
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});
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new_cmd_quiet(gcs, "listfind", "vsb", [](auto &cs, auto args, auto &res) {
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alias_local st{cs, args[0]};
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any_value idv{};
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auto body = args[2].get_code();
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int n = -1;
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for (list_parser p{cs, args[1].get_string(cs)}; p.parse();) {
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++n;
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idv.set_string(p.raw_item(), cs);
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st.set(std::move(idv));
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if (body.call(cs).get_bool()) {
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res.set_integer(integer_type(n));
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return;
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}
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}
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res.set_integer(-1);
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});
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new_cmd_quiet(gcs, "listassoc", "vsb", [](auto &cs, auto args, auto &res) {
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alias_local st{cs, args[0]};
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any_value idv{};
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auto body = args[2].get_code();
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int n = -1;
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for (list_parser p{cs, args[1].get_string(cs)}; p.parse();) {
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++n;
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idv.set_string(p.raw_item(), cs);
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st.set(std::move(idv));
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if (body.call(cs).get_bool()) {
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if (p.parse()) {
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res.set_string(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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new_cmd_quiet(gcs, "listfind=", "i", [](auto &cs, auto args, auto &res) {
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list_find<integer_type>(
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cs, args, res, [](list_parser const &p, integer_type val) {
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return parse_int(p.raw_item()) == val;
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}
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);
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});
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new_cmd_quiet(gcs, "listfind=f", "f", [](auto &cs, auto args, auto &res) {
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list_find<float_type>(
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cs, args, res, [](list_parser const &p, float_type val) {
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return parse_float(p.raw_item()) == val;
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}
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);
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});
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new_cmd_quiet(gcs, "listfind=s", "s", [](auto &cs, auto args, auto &res) {
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list_find<std::string_view>(
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cs, args, res, [](list_parser const &p, std::string_view val) {
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return p.raw_item() == val;
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}
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);
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});
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new_cmd_quiet(gcs, "listassoc=", "i", [](auto &cs, auto args, auto &res) {
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list_assoc<integer_type>(
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cs, args, res, [](list_parser const &p, integer_type val) {
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return parse_int(p.raw_item()) == val;
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}
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);
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});
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new_cmd_quiet(gcs, "listassoc=f", "f", [](auto &cs, auto args, auto &res) {
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list_assoc<float_type>(
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cs, args, res, [](list_parser const &p, float_type val) {
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return parse_float(p.raw_item()) == val;
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}
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);
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});
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new_cmd_quiet(gcs, "listassoc=s", "s", [](auto &cs, auto args, auto &res) {
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list_assoc<std::string_view>(
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cs, args, res, [](list_parser const &p, std::string_view val) {
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return p.raw_item() == val;
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}
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);
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});
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new_cmd_quiet(gcs, "looplist", "vsb", [](auto &cs, auto args, auto &) {
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alias_local st{cs, args[0]};
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any_value idv{};
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auto body = args[2].get_code();
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int n = 0;
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for (list_parser p{cs, args[1].get_string(cs)}; p.parse(); ++n) {
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idv.set_string(p.get_item());
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st.set(std::move(idv));
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switch (body.call_loop(cs)) {
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case loop_state::BREAK:
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return;
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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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});
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new_cmd_quiet(gcs, "looplist2", "vvsb", [](auto &cs, auto args, auto &) {
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alias_local st1{cs, args[0]};
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alias_local st2{cs, args[1]};
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any_value idv{};
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auto body = args[3].get_code();
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int n = 0;
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for (list_parser p{cs, args[2].get_string(cs)}; p.parse(); n += 2) {
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idv.set_string(p.get_item());
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st1.set(std::move(idv));
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if (p.parse()) {
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idv.set_string(p.get_item());
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} else {
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idv.set_string("", cs);
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}
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st2.set(std::move(idv));
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switch (body.call_loop(cs)) {
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case loop_state::BREAK:
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return;
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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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});
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new_cmd_quiet(gcs, "looplist3", "vvvsb", [](auto &cs, auto args, auto &) {
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alias_local st1{cs, args[0]};
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alias_local st2{cs, args[1]};
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alias_local st3{cs, args[2]};
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any_value idv{};
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auto body = args[4].get_code();
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int n = 0;
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for (list_parser p{cs, args[3].get_string(cs)}; p.parse(); n += 3) {
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idv.set_string(p.get_item());
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st1.set(std::move(idv));
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if (p.parse()) {
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idv.set_string(p.get_item());
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} else {
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idv.set_string("", cs);
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}
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st2.set(std::move(idv));
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if (p.parse()) {
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idv.set_string(p.get_item());
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} else {
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idv.set_string("", cs);
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}
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st3.set(std::move(idv));
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switch (body.call_loop(cs)) {
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case loop_state::BREAK:
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return;
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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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});
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new_cmd_quiet(gcs, "looplistconcat", "vsb", [](
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auto &cs, auto args, auto &res
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) {
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loop_list_conc(
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cs, res, args[0].get_ident(cs), args[1].get_string(cs),
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args[2].get_code(), true
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);
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});
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new_cmd_quiet(gcs, "looplistconcatword", "vsb", [](
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auto &cs, auto args, auto &res
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) {
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loop_list_conc(
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cs, res, args[0].get_ident(cs), args[1].get_string(cs),
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args[2].get_code(), false
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);
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});
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new_cmd_quiet(gcs, "listfilter", "vsb", [](
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auto &cs, auto args, auto &res
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) {
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alias_local st{cs, args[0]};
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any_value idv{};
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auto body = args[2].get_code();
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charbuf r{cs};
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int n = 0;
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for (list_parser p{cs, args[1].get_string(cs)}; p.parse(); ++n) {
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idv.set_string(p.raw_item(), cs);
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st.set(std::move(idv));
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if (body.call(cs).get_bool()) {
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if (r.size()) {
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r.push_back(' ');
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}
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r.append(p.quoted_item());
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}
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}
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res.set_string(r.str(), cs);
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});
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new_cmd_quiet(gcs, "listcount", "vsb", [](auto &cs, auto args, auto &res) {
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alias_local st{cs, args[0]};
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any_value idv{};
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auto body = args[2].get_code();
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int n = 0, r = 0;
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for (list_parser p{cs, args[1].get_string(cs)}; p.parse(); ++n) {
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idv.set_string(p.raw_item(), cs);
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st.set(std::move(idv));
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if (body.call(cs).get_bool()) {
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r++;
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}
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}
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res.set_integer(r);
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});
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new_cmd_quiet(gcs, "prettylist", "ss", [](auto &cs, auto args, auto &res) {
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charbuf buf{cs};
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std::string_view s = args[0].get_string(cs);
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std::string_view conj = args[1].get_string(cs);
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list_parser p{cs, s};
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size_t len = p.count();
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size_t n = 0;
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for (p.set_input(s); p.parse(); ++n) {
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auto qi = p.quoted_item();
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if (!qi.empty() && (qi.front() == '"')) {
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unescape_string(std::back_inserter(buf), p.raw_item());
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} else {
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buf.append(p.raw_item());
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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.push_back(',');
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}
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if ((n + 2 == len) && !conj.empty()) {
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buf.push_back(' ');
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buf.append(conj);
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}
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buf.push_back(' ');
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}
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}
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res.set_string(buf.str(), cs);
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});
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new_cmd_quiet(gcs, "indexof", "ss", [](auto &cs, auto args, auto &res) {
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res.set_integer(
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list_includes(cs, args[0].get_string(cs), args[1].get_string(cs))
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);
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});
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new_cmd_quiet(gcs, "listdel", "ss", [](auto &cs, auto args, auto &res) {
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list_merge<false, false>(cs, args, res, std::less<int>());
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});
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new_cmd_quiet(gcs, "listintersect", "ss", [](
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auto &cs, auto args, auto &res
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) {
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list_merge<false, false>(cs, args, res, std::greater_equal<int>());
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});
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new_cmd_quiet(gcs, "listunion", "ss", [](auto &cs, auto args, auto &res) {
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list_merge<true, true>(cs, args, res, std::less<int>());
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});
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new_cmd_quiet(gcs, "listsplice", "ssii", [](
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auto &cs, auto args, auto &res
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) {
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integer_type offset = std::max(args[2].get_integer(), integer_type(0));
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integer_type len = std::max(args[3].get_integer(), integer_type(0));
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std::string_view s = args[0].get_string(cs);
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std::string_view vals = args[1].get_string(cs);
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char const *list = s.data();
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list_parser p{cs, s};
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for (integer_type 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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std::string_view quote = p.quoted_item();
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char const *qend = !quote.empty() ? "e[quote.size()] : list;
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charbuf buf{cs};
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if (qend > list) {
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buf.append(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.push_back(' ');
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}
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buf.append(vals);
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}
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for (integer_type 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_until_item();
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if (!p.input().empty()) {
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switch (p.input().front()) {
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case ')':
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case ']':
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break;
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default:
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if (!buf.empty()) {
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buf.push_back(' ');
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}
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buf.append(p.input());
|
|
break;
|
|
}
|
|
}
|
|
res.set_string(buf.str(), cs);
|
|
});
|
|
|
|
init_lib_list_sort(gcs);
|
|
}
|
|
|
|
struct ListSortItem {
|
|
std::string_view str;
|
|
std::string_view quote;
|
|
};
|
|
|
|
struct ListSortFun {
|
|
state &cs;
|
|
alias_local &xst, &yst;
|
|
bcode_ref const *body;
|
|
|
|
bool operator()(ListSortItem const &xval, ListSortItem const &yval) {
|
|
any_value v{};
|
|
v.set_string(xval.str, cs);
|
|
xst.set(std::move(v));
|
|
v.set_string(yval.str, cs);
|
|
yst.set(std::move(v));
|
|
return body->call(cs).get_bool();
|
|
}
|
|
};
|
|
|
|
static void list_sort(
|
|
state &cs, any_value &res, std::string_view list,
|
|
ident &x, ident &y, bcode_ref &&body, bcode_ref &&unique
|
|
) {
|
|
if (x == y) {
|
|
return;
|
|
}
|
|
|
|
alias_local xst{cs, x}, yst{cs, y};
|
|
|
|
valbuf<ListSortItem> items{state_p{cs}.ts().istate};
|
|
size_t total = 0;
|
|
|
|
for (list_parser p{cs, list}; p.parse();) {
|
|
ListSortItem item = { p.raw_item(), p.quoted_item() };
|
|
items.push_back(item);
|
|
total += item.quote.size();
|
|
}
|
|
|
|
if (items.empty()) {
|
|
res.set_string(list, cs);
|
|
return;
|
|
}
|
|
|
|
size_t totaluniq = total;
|
|
size_t nuniq = items.size();
|
|
if (body) {
|
|
ListSortFun f = { cs, xst, yst, &body };
|
|
std::sort(items.buf.begin(), items.buf.end(), f);
|
|
if (!unique.empty()) {
|
|
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 = std::string_view{};
|
|
} else {
|
|
totaluniq += item.quote.size();
|
|
++nuniq;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
ListSortFun f = { cs, xst, yst, &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 = std::string_view{};
|
|
break;
|
|
}
|
|
}
|
|
if (!item.quote.empty()) {
|
|
totaluniq += item.quote.size();
|
|
++nuniq;
|
|
}
|
|
}
|
|
}
|
|
|
|
charbuf sorted{cs};
|
|
sorted.reserve(totaluniq + std::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.push_back(' ');
|
|
}
|
|
sorted.append(item.quote);
|
|
}
|
|
res.set_string(sorted.str(), cs);
|
|
}
|
|
|
|
static void init_lib_list_sort(state &gcs) {
|
|
new_cmd_quiet(gcs, "sortlist", "svvbb", [](
|
|
auto &cs, auto args, auto &res
|
|
) {
|
|
list_sort(
|
|
cs, res, args[0].get_string(cs), args[1].get_ident(cs),
|
|
args[2].get_ident(cs), args[3].get_code(), args[4].get_code()
|
|
);
|
|
});
|
|
new_cmd_quiet(gcs, "uniquelist", "svvb", [](
|
|
auto &cs, auto args, auto &res
|
|
) {
|
|
list_sort(
|
|
cs, res, args[0].get_string(cs), args[1].get_ident(cs),
|
|
args[2].get_ident(cs), bcode_ref{}, args[3].get_code()
|
|
);
|
|
});
|
|
}
|
|
|
|
} /* namespace cubescript */
|