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76 lines
2.7 KiB
OpenEdge ABL
76 lines
2.7 KiB
OpenEdge ABL
[Inter::Metadata::] The Metadata Construct.
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Defining the metadata construct.
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@
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@e METADATA_IST
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=
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void Inter::Metadata::define(void) {
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inter_construct *IC = Inter::Defn::create_construct(
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METADATA_IST,
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L"metadata (`%i+): (%c+)",
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I"metadata", I"metadatas");
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METHOD_ADD(IC, CONSTRUCT_READ_MTID, Inter::Metadata::read);
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METHOD_ADD(IC, CONSTRUCT_VERIFY_MTID, Inter::Metadata::verify);
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METHOD_ADD(IC, CONSTRUCT_WRITE_MTID, Inter::Metadata::write);
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}
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@
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@d DEFN_MD_IFLD 2
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@d VAL1_MD_IFLD 3
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@d VAL2_MD_IFLD 4
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@d EXTENT_MD_IFR 5
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=
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void Inter::Metadata::read(inter_construct *IC, inter_reading_state *IRS, inter_line_parse *ilp, inter_error_location *eloc, inter_error_message **E) {
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*E = Inter::Defn::vet_level(IRS, METADATA_IST, ilp->indent_level, eloc);
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if (*E) return;
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inter_symbol *key_name = Inter::Textual::new_symbol(eloc, Inter::Bookmarks::scope(IRS), ilp->mr.exp[0], E);
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if (*E) return;
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text_stream *S = ilp->mr.exp[1];
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if ((Str::begins_with_wide_string(S, L"\"")) && (Str::ends_with_wide_string(S, L"\""))) {
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TEMPORARY_TEXT(parsed_text);
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*E = Inter::Constant::parse_text(parsed_text, S, 1, Str::len(S)-2, eloc);
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inter_t ID = 0;
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if (*E == NULL) {
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ID = Inter::create_text(IRS->read_into);
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Str::copy(Inter::get_text(IRS->read_into, ID), parsed_text);
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}
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DISCARD_TEXT(parsed_text);
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if (*E) return;
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*E = Inter::Metadata::new(IRS, Inter::SymbolsTables::id_from_IRS_and_symbol(IRS, key_name), ID, (inter_t) IRS->latest_indent, eloc);
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return;
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}
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*E = Inter::Errors::quoted(I"metadata value must be string", S, eloc);
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}
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inter_error_message *Inter::Metadata::new(inter_reading_state *IRS, inter_t SID, inter_t TID, inter_t level, inter_error_location *eloc) {
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inter_frame P = Inter::Frame::fill_3(IRS,
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METADATA_IST, SID, LITERAL_TEXT_IVAL, TID, eloc, level);
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inter_error_message *E = Inter::Defn::verify_construct(IRS->current_package, P); if (E) return E;
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Inter::Frame::insert(P, IRS);
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return NULL;
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}
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void Inter::Metadata::verify(inter_construct *IC, inter_frame P, inter_package *owner, inter_error_message **E) {
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if (P.extent != EXTENT_MD_IFR) { *E = Inter::Frame::error(&P, I"extent wrong", NULL); return; }
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*E = Inter__Verify__defn(owner, P, DEFN_MD_IFLD);
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}
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void Inter::Metadata::write(inter_construct *IC, OUTPUT_STREAM, inter_frame P, inter_error_message **E) {
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inter_symbol *key_name = Inter::SymbolsTables::symbol_from_frame_data(P, DEFN_MD_IFLD);
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if (key_name) {
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WRITE("metadata %S: ", key_name->symbol_name);
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Inter::Types::write(OUT, P.repo_segment->owning_repo, NULL,
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P.data[VAL1_MD_IFLD], P.data[VAL1_MD_IFLD+1], Inter::Packages::scope_of(P), FALSE);
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} else {
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{ *E = Inter::Frame::error(&P, I"metadata can't be written", NULL); return; }
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}
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}
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