Introduce new query language (Approach 3)

examples/query_lang/claims_alternatives.json

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+{
+  "credentials": [
+    {
+      "id": "pid",
+      "format": "vc+sd-jwt",
+      "meta": {
+        "vct_values": [ "https://credentials.example.com/identity_credential" ]
+      },
+      "claims": [
+        {"id": "a", "path": ["last_name"]},
+        {"id": "b", "path": ["postal_code"]},
+        {"id": "c", "path": ["locality"]},
+        {"id": "d", "path": ["region"]},
+        {"id": "e", "path": ["date_of_birth"]}
+      ],
+      "claim_sets": [
+        ["a", "c", "d", "e"],
+        ["a", "b", "e"]
+      ]
+    }
+  ]
+}

examples/query_lang/complex_mdoc.json

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+{
+  "credentials": [
+    {
+      "id": "mdl-id",
+      "format": "mso_mdoc",
+      "meta": {
+        "doctype_value": "org.iso.18013.5.1.mDL"
+      },
+      "claims": [
+        {
+          "id": "given_name",
+          "namespace": "org.iso.18013.5.1",
+          "claim_name": "given_name"
+        },
+        {
+          "id": "family_name",
+          "namespace": "org.iso.18013.5.1",
+          "claim_name": "family_name"
+        },
+        {
+          "id": "portrait",
+          "namespace": "org.iso.18013.5.1",
+          "claim_name": "portrait"
+        }
+      ]
+    },
+    {
+      "id": "mdl-address",
+      "format": "mso_mdoc",
+      "meta": {
+        "doctype_value": "org.iso.18013.5.1.mDL"
+      },
+      "claims": [
+        {
+          "id": "resident_address",
+          "namespace": "org.iso.18013.5.1",
+          "claim_name": "resident_address"
+        },
+        {
+          "id": "resident_country",
+          "namespace": "org.iso.18013.5.1",
+          "claim_name": "resident_country"
+        }
+      ]
+    },
+    {
+      "id": "photo_card-id",
+      "format": "mso_mdoc",
+      "meta": {
+        "doctype_value": "org.iso.23220.photoid.1"
+      },
+      "claims": [
+        {
+          "id": "given_name",
+          "namespace": "org.iso.23220.1",
+          "claim_name": "given_name"
+        },
+        {
+          "id": "family_name",
+          "namespace": "org.iso.23220.1",
+          "claim_name": "family_name"
+        },
+        {
+          "id": "portrait",
+          "namespace": "org.iso.23220.1",
+          "claim_name": "portrait"
+        }
+      ]
+    },
+    {
+      "id": "photo_card-address",
+      "format": "mso_mdoc",
+      "meta": {
+        "doctype_value": "org.iso.23220.photoid.1"
+      },
+      "claims": [
+        {
+          "id": "resident_address",
+          "namespace": "org.iso.23220.1",
+          "claim_name": "resident_address"
+        },
+        {
+          "id": "resident_country",
+          "namespace": "org.iso.23220.1",
+          "claim_name": "resident_country"
+        }
+      ]
+    }
+  ],
+  "credential_sets": [
+    {
+      "options": [
+        [ "mdl-id" ],
+        [ "photo_card-id" ]
+      ]
+    },
+    {
+      "required": false,
+      "options": [
+        [ "mdl-address" ],
+        [ "photo_card-address" ]
+      ]
+    }
+  ]
+}

examples/query_lang/credentials_alternatives.json

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+{
+  "credentials": [
+    {
+      "id": "pid",
+      "format": "vc+sd-jwt",
+      "meta": {
+        "vct_values": ["https://credentials.example.com/identity_credential"]
+      },
+      "claims": [
+        {"path": ["given_name"]},
+        {"path": ["family_name"]},
+        {"path": ["address", "street_address"]}
+      ]
+    },
+    {
+      "id": "other_pid",
+      "format": "vc+sd-jwt",
+      "meta": {
+        "vct_values": ["https://othercredentials.example/pid"]
+      },
+      "claims": [
+        {"path": ["given_name"]},
+        {"path": ["family_name"]},
+        {"path": ["address", "street_address"]}
+      ]
+    },
+    {
+      "id": "pid_reduced_cred_1",
+      "format": "vc+sd-jwt",
+      "meta": {
+        "vct_values": ["https://credentials.example.com/reduced_identity_credential"]
+      },
+      "claims": [
+        {"path": ["family_name"]},
+        {"path": ["given_name"]}
+      ]
+    },
+    {
+      "id": "pid_reduced_cred_2",
+      "format": "vc+sd-jwt",
+      "meta": {
+        "vct_values": ["https://cred.example/residence_credential"]
+      },
+      "claims": [
+        {"path": ["postal_code"]},
+        {"path": ["locality"]},
+        {"path": ["region"]}
+      ]
+    },
+    {
+      "id": "nice_to_have",
+      "format": "vc+sd-jwt",
+      "meta": {
+        "vct_values": ["https://company.example/company_rewards"]
+      },
+      "claims": [
+        {"path": ["rewards_number"]}
+      ]
+    }
+  ],
+  "credential_sets": [
+    {
+      "options": [
+        [ "pid" ],
+        [ "other_pid" ],
+        [ "pid_reduced_cred_1", "pid_reduced_cred_2" ]
+      ]
+    },
+    {
+      "required": false,
+      "options": [
+        [ "nice_to_have" ]
+      ]
+    }
+  ]
+}

examples/query_lang/multi_credentials.json

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+{
+  "credentials": [
+    {
+      "id": "pid",
+      "format": "vc+sd-jwt",
+      "meta": {
+        "vct_values": ["https://credentials.example.com/identity_credential"]
+      },
+      "claims": [
+        {"path": ["given_name"]},
+        {"path": ["family_name"]},
+        {"path": ["address", "street_address"]}
+      ]
+    },
+    {
+      "id": "mdl",
+      "format": "mso_mdoc",
+      "meta": {
+        "doctype_value": "org.iso.7367.1.mVRC"
+      },
+      "claims": [
+        {
+          "namespace": "org.iso.7367.1",
+          "claim_name": "vehicle_holder"
+        },
+        {
+          "namespace": "org.iso.18013.5.1",
+          "claim_name": "first_name"
+        }
+      ]
+    }
+]
+}

examples/query_lang/simple.json

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+{
+  "credentials": [
+    {
+      "id": "my_credential",
+      "format": "vc+sd-jwt",
+      "meta": {
+        "vct_values": [ "https://credentials.example.com/identity_credential" ]
+      },
+      "claims": [
+          {"path": ["last_name"]},
+          {"path": ["first_name"]},
+          {"path": ["address", "street_address"]}       
+      ]
+    }
+  ]
+}

examples/query_lang/simple_mdoc.json

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+{
+  "credentials": [
+    {
+      "id": "my_credential",
+      "format": "mso_mdoc",
+      "meta": {
+        "doctype_value": "org.iso.7367.1.mVRC"
+      },
+      "claims": [
+        {
+          "namespace": "org.iso.7367.1",
+          "claim_name": "vehicle_holder"
+        },
+        {
+          "namespace": "org.iso.18013.5.1",
+          "claim_name": "first_name"
+        }
+      ]
+    }
+  ]
+}

examples/query_lang/value_matching_simple.json

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+{
+  "credentials": [
+    {
+      "id": "my_credential",
+      "format": "vc+sd-jwt",
+      "meta": {
+        "vct_values": [ "https://credentials.example.com/identity_credential" ]
+      },
+      "claims": [
+          {
+            "path": ["last_name"],
+            "values": ["Doe"]
+          },
+          {"path": ["first_name"]},
+          {"path": ["address", "street_address"]},
+          {
+            "path": ["postal_code"],
+            "values": ["90210", "90211"]
+          }
+      ]
+    }
+  ]
+}