ints_to_testsuite.cpp

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#ifdef RYML_SINGLE_HEADER_INTS
    #ifndef _RYML_SINGLE_HEADER_AMALGAMATED_HPP_
        #include <ryml_ints.hpp>
    #endif
#elif defined(RYML_SINGLE_HEADER)
    #ifndef _RYML_SINGLE_HEADER_AMALGAMATED_HPP_
        #include <ryml_all.hpp>
    #endif
#endif

#ifndef C4_YML_ESCAPE_SCALAR_HPP_
#include "c4/yml/escape_scalar.hpp"
#endif

#ifndef C4_YML_EXTRA_INTS_UTILS_HPP_
#include "c4/yml/extra/ints_utils.hpp"
#endif


C4_SUPPRESS_WARNING_GCC_WITH_PUSH("-Wold-style-cast")
C4_SUPPRESS_WARNING_CLANG_WITH_PUSH("-Wold-style-cast")
// NOLINTBEGIN(hicpp-signed-bitwise,*avoid-c-style-cast)

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------

namespace c4 {
namespace yml {
namespace extra {

C4_NODISCARD RYML_EXPORT
size_t events_ints_to_testsuite(csubstr parsed_yaml, // NOLINT(*-use-internal-linkage)
                                csubstr arena,
                                ievt::evt_bits const* evts_ints,
                                ievt::evt_bits evts_ints_sz,
                                substr evts_test_suite)
{
    auto getstr = [&](ievt::evt_bits i){
        bool in_arena = evts_ints[i] & ievt::AREN;
        csubstr region = !in_arena ? parsed_yaml : arena;
        return region.sub((size_t)evts_ints[i+1], (size_t)evts_ints[i+2]);
    };
    size_t sz = 0;
    auto append = [&](csubstr s){
        size_t next = sz + s.len;
        if (s.len && (next <= evts_test_suite.len && evts_test_suite.len))
            memcpy(evts_test_suite.str + sz, s.str, s.len);
        sz = next;
    };
    bool has_tag = false;
    csubstr tag;
    auto maybe_append_tag = [&]{
        if(has_tag)
        {
            if(tag.begins_with('<'))
            {
                append(" ");
                append(tag);
            }
            else
            {
                RYML_ASSERT_BASIC_(tag.begins_with('!'));
                append(" <");
                append(tag);
                append(">");
            }
        }
        has_tag = false;
    };
    bool has_anchor = false;
    csubstr anchor;
    auto maybe_append_anchor = [&]{
        if(has_anchor)
        {
            append(" &");
            append(anchor);
        }
        has_anchor = false;
    };
    auto append_cont = [&](csubstr evt, csubstr style){
        append(evt);
        if(style.len)
        {
            append(" ");
            append(style);
        }
        maybe_append_anchor();
        maybe_append_tag();
        append("\n");
    };
    auto append_esc = [&](csubstr str){
        substr buf = sz <= evts_test_suite.len ? evts_test_suite.sub(sz) : evts_test_suite.last(0);
        sz += escape_scalar(buf, str);
        append("\n");
    };
    auto append_val = [&](csubstr evt, csubstr val){
        append("=VAL");
        maybe_append_anchor();
        maybe_append_tag();
        append(" ");
        append(evt);
        append_esc(val);
    };
    ievt::evt_bits evt = 0;
    for(ievt::evt_bits i = 0; i < evts_ints_sz; i += (evt & ievt::WSTR) ? 3 : 1)
    {
        evt = evts_ints[i];
        if(evt & ievt::SCLR)
        {
            csubstr s = getstr(i);
            if(evt & ievt::SQUO)
                append_val("'", s);
            else if(evt & ievt::DQUO)
                append_val("\"", s);
            else if(evt & ievt::LITL)
                append_val("|", s);
            else if(evt & ievt::FOLD)
                append_val(">", s);
            else //if(evt & ievt::PLAI)
                append_val(":", s);
        }
        else if((evt & ievt::BSEQ) == ievt::BSEQ)
        {
            if(evt & ievt::FLOW)
                append_cont("+SEQ", "[]");
            else
                append_cont("+SEQ", "");
        }
        else if((evt & ievt::ESEQ) == ievt::ESEQ)
        {
            append("-SEQ\n");
        }
        else if((evt & ievt::BMAP) == ievt::BMAP)
        {
            if(evt & ievt::FLOW)
                append_cont("+MAP", "{}");
            else
                append_cont("+MAP", "");
        }
        else if((evt & ievt::EMAP) == ievt::EMAP)
        {
            append("-MAP\n");
        }
        else if(evt & ievt::ALIA)
        {
            append("=ALI *");
            append(getstr(i));
            append("\n");
        }
        else if(evt & ievt::TAG_)
        {
            has_tag = true;
            tag = getstr(i);
        }
        else if(evt & ievt::ANCH)
        {
            has_anchor = true;
            anchor = getstr(i);
        }
        else if((evt & ievt::BDOC) == ievt::BDOC)
        {
            if(evt & ievt::EXPL)
                append("+DOC ---\n");
            else
                append("+DOC\n");
        }
        else if((evt & ievt::EDOC) == ievt::EDOC)
        {
            if(evt & ievt::EXPL)
                append("-DOC ...\n");
            else
                append("-DOC\n");
        }
        else if((evt & ievt::BSTR) == ievt::BSTR)
        {
             append("+STR\n");
        }
        else if((evt & ievt::ESTR) == ievt::ESTR)
        {
            append("-STR\n");
        }
    }
    return sz;
}

} // namespace extra
} // namespace yml
} // namespace c4

// NOLINTEND(hicpp-signed-bitwise,*avoid-c-style-cast)
C4_SUPPRESS_WARNING_CLANG_POP
C4_SUPPRESS_WARNING_GCC_POP