[CSNM] Add new object type CSNM

file-formats/csnm/README.md

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+# CSNM File Format
+
+File | Cardinality | Definition | Schema | Example
+:--- | :--- | :--- | :--- | :---
+`<name>.csnm.json` | 1 | [`zif_aff_csnm_v1.intf.abap`](./type/zif_aff_csnm_v1.intf.abap) | [`csnm-v1.json`](./csnm-v1.json) | [z_aff_example_csnm.csnm.json](./examples/z_aff_example_csnm.csnm.json)
+`<name>.csnm.<csnfilename>.csn` | 0...n | - | - | [z_aff_example_csnm.csnm.model_inferred.csn](./examples/z_aff_example_csnm.csnm.model_inferred.csn)

file-formats/csnm/csnm-v1.json

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+{
+  "$comment": "This file is autogenerated, do not edit manually, see https://github.com/SAP/abap-file-formats for more information.",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://github.com/SAP/abap-file-formats/blob/main/file-formats/csnm/csnm-v1.json",
+  "title": "CSN Model Transport Object",
+  "description": "CSN model transport object",
+  "type": "object",
+  "properties": {
+    "formatVersion": {
+      "title": "Format Version",
+      "description": "Format version",
+      "type": "string",
+      "const": "1"
+    },
+    "header": {
+      "title": "Header",
+      "description": "Header",
+      "type": "object",
+      "properties": {
+        "description": {
+          "title": "Description",
+          "description": "Description of the ABAP object",
+          "type": "string",
+          "maxLength": 60
+        },
+        "originalLanguage": {
+          "title": "Original Language",
+          "description": "Original language of the ABAP object",
+          "type": "string",
+          "minLength": 2,
+          "maxLength": 2,
+          "pattern": "^[a-z]+$"
+        },
+        "abapLanguageVersion": {
+          "title": "ABAP Language Version",
+          "description": "ABAP language version",
+          "type": "string",
+          "enum": [
+            "standard",
+            "cloudDevelopment"
+          ],
+          "enumTitles": [
+            "Standard",
+            "ABAP Cloud Development"
+          ],
+          "enumDescriptions": [
+            "Standard",
+            "ABAP cloud development"
+          ],
+          "default": "standard"
+        }
+      },
+      "additionalProperties": false,
+      "required": [
+        "description",
+        "originalLanguage"
+      ]
+    },
+    "csnFiles": {
+      "title": "CSN Files",
+      "description": "CSN files",
+      "type": "array",
+      "items": {
+        "title": "CSN File",
+        "description": "CSN file",
+        "type": "object",
+        "properties": {
+          "name": {
+            "title": "CSN File Name",
+            "description": "CSN file name",
+            "type": "string"
+          }
+        },
+        "additionalProperties": false
+      }
+    }
+  },
+  "additionalProperties": false,
+  "required": [
+    "formatVersion",
+    "header"
+  ]
+}

file-formats/csnm/examples/z_aff_example_csnm.csnm.json

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+{
+  "formatVersion": "1",
+  "header": {
+    "description": "Example CSN model for ABAP file formats",
+    "originalLanguage": "en"
+  },
+  "csnFiles": [
+    {
+      "name": "model_inferred.csn"
+    }
+  ]
+}

file-formats/csnm/examples/z_aff_example_csnm.csnm.model_inferred.csn

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+{
+  "definitions": {
+    "Foo": {
+      "kind": "entity",
+      "elements": {
+        "name": {
+          "key": true,
+          "type": "cds.String"
+        },
+        "vorname": {
+          "key": true,
+          "type": "cds.String"
+        }
+      }
+    },
+    "Bar": {
+      "kind": "entity",
+      "projection": {
+        "from": {
+          "ref": [
+            "Foo"
+          ]
+        },
+        "columns": [
+          {
+            "ref": [
+              "name"
+            ],
+            "as": "Name"
+          },
+          {
+            "ref": [
+              "vorname"
+            ],
+            "as": "Vorname"
+          }
+        ]
+      },
+      "elements": {
+        "Name": {
+          "key": true,
+          "type": "cds.String"
+        },
+        "Vorname": {
+          "key": true,
+          "type": "cds.String"
+        }
+      }
+    }
+  },
+  "meta": {
+    "creator": "CDS Compiler v3.3.2",
+    "flavor": "inferred"
+  },
+  "$version": "2.0"
+}

file-formats/csnm/type/zif_aff_csnm_v1.intf.abap

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+"! ABAP File Format for CSN Model Transport Object Generic Editor
+INTERFACE zif_aff_csnm_v1
+  PUBLIC.
+
+  TYPES:
+    "! <p class="shorttext">CSN File</p>
+    "! CSN file
+    BEGIN OF ty_csn_file,
+      "! <p class="shorttext">CSN File Name</p>
+      "! CSN file name
+      name TYPE string,
+    END OF ty_csn_file.
+
+  "! <p class="shorttext">CSN Files</p>
+  "! CSN files
+  TYPES ty_csn_files TYPE STANDARD TABLE OF ty_csn_file WITH DEFAULT KEY.
+
+  TYPES:
+    "! <p class="shorttext">CSN Model Transport Object</p>
+    "! CSN model transport object
+    BEGIN OF ty_main,
+      "! <p class="shorttext">Format Version</p>
+      "! Format version
+      "! $required
+      format_version TYPE zif_aff_types_v1=>ty_format_version,
+      "! <p class="shorttext">Header</p>
+      "! Header
+      "! $required
+      header         TYPE zif_aff_types_v1=>ty_header_60_cloud,
+      "! <p class="shorttext">CSN Files</p>
+      "! CSN files
+      csn_files      TYPE ty_csn_files,
+    END OF ty_main.
+ENDINTERFACE.

file-formats/csnm/type/zif_aff_csnm_v1.intf.json

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+{
+  "formatVersion": "1",
+  "header": {
+    "description": "CSN AFF type for CSNM repository object",
+    "originalLanguage": "en"
+  }
+}