feat: start abaqus input parser

tests/unit/abaqus_input_parser_mesh_test.cpp

@@ -0,0 +1,80 @@
+#include <fesa/io/abaqus/input_parser.hpp>
+
+#include <string>
+
+namespace {
+
+int fail()
+{
+    return 1;
+}
+
+} // namespace
+
+int main()
+{
+    fesa::io::abaqus::InputParser parser;
+
+    const std::string input = R"inp(
+** mesh parser smoke case
+*HeAdInG
+small truss model
+*NoDe
+1, 0.0, 0.0, 0.0
+2, 1.5, 0.0, 0.0
+*ElEmEnT, TyPe=t3d2
+10, 1, 2
+)inp";
+
+    const auto result = parser.parse(input);
+    if (!result.status.is_ok()) {
+        return fail();
+    }
+
+    const auto& domain = result.domain;
+    if (domain.nodes().size() != 2 || domain.elements().size() != 1) {
+        return fail();
+    }
+
+    const auto* first_node = domain.find_node(fesa::core::NodeId{1});
+    if (first_node == nullptr || first_node->coordinates()[0] != 0.0 ||
+        first_node->coordinates()[1] != 0.0 || first_node->coordinates()[2] != 0.0) {
+        return fail();
+    }
+
+    const auto* second_node = domain.find_node(fesa::core::NodeId{2});
+    if (second_node == nullptr || second_node->coordinates()[0] != 1.5 ||
+        second_node->coordinates()[1] != 0.0 || second_node->coordinates()[2] != 0.0) {
+        return fail();
+    }
+
+    const auto* element = domain.find_element(fesa::core::ElementId{10});
+    if (element == nullptr ||
+        element->topology() != fesa::model::ElementTopology::truss2 ||
+        element->node_ids().size() != 2 ||
+        element->node_ids()[0].value != 1 ||
+        element->node_ids()[1].value != 2 ||
+        element->property_id().value != 0) {
+        return fail();
+    }
+
+    const std::string beam_input = R"inp(
+*NODE
+1, 0.0, 0.0, 0.0
+2, 0.0, 2.0, 0.0
+*ELEMENT, TYPE=B31
+20, 1, 2
+)inp";
+
+    const auto beam_result = parser.parse(beam_input);
+    const auto* beam = beam_result.domain.find_element(fesa::core::ElementId{20});
+    if (!beam_result.status.is_ok() ||
+        beam == nullptr ||
+        beam->topology() != fesa::model::ElementTopology::bar2 ||
+        beam->node_ids().size() != 2 ||
+        beam->property_id().value != 0) {
+        return fail();
+    }
+
+    return 0;
+}