Merge pull request #2476 from alixander/edge-level

d2ir: filter edge by src/dst non-field properties

d2compiler/compile_test.go

@@ -5653,7 +5653,18 @@ d: {
   &level: 1
   style.stroke: yellow
 }
+(** -> **)[*]: {
+  &src.level: 0
+  &dst.level: 0
+  style.stroke: blue
+}
 a.b.c
+
+x -> y
+a: {
+  1 -> 2
+}
+a.1 -> x
 `, ``)
 				assert.Equal(t, "a", g.Objects[0].ID)
 				assert.Equal(t, "red", g.Objects[0].Attributes.Style.Fill.Value)
@@ -5666,6 +5677,15 @@ a.b.c
 				assert.Equal(t, "c", g.Objects[2].ID)
 				assert.Equal(t, (*d2graph.Scalar)(nil), g.Objects[2].Attributes.Style.Fill)
 				assert.Equal(t, (*d2graph.Scalar)(nil), g.Objects[2].Attributes.Style.Stroke)
+
+				assert.Equal(t, "(x -> y)[0]", g.Edges[0].AbsID())
+				assert.Equal(t, "blue", g.Edges[0].Attributes.Style.Stroke.Value)
+
+				assert.Equal(t, "a.(1 -> 2)[0]", g.Edges[1].AbsID())
+				assert.Equal(t, (*d2graph.Scalar)(nil), g.Edges[1].Attributes.Style.Stroke)
+
+				assert.Equal(t, "(a.1 -> x)[0]", g.Edges[2].AbsID())
+				assert.Equal(t, (*d2graph.Scalar)(nil), g.Edges[2].Attributes.Style.Stroke)
 			},
 		},
 		{

d2ir/compile.go

@@ -755,6 +755,13 @@ func (c *compiler) ampersandFilter(refctx *RefContext) bool {
 			return false
 		}
 
+		secondPart := keyPath.Path[1].Unbox().ScalarString()
+		value := refctx.Key.Value.ScalarBox().Unbox().ScalarString()
+
+		if len(keyPath.Path) == 2 && c._ampersandPropertyFilter(secondPart, value, node, refctx.Key) {
+			return true
+		}
+
 		propKeyPath := &d2ast.KeyPath{
 			Path: keyPath.Path[1:],
 		}
@@ -840,53 +847,7 @@ func (c *compiler) ampersandFilter(refctx *RefContext) bool {
 				},
 			}
 			return c._ampersandFilter(f, refctx)
-		case "leaf":
-			raw := refctx.Key.Value.ScalarBox().Unbox().ScalarString()
-			boolVal, err := strconv.ParseBool(raw)
-			if err != nil {
-				c.errorf(refctx.Key, `&leaf must be "true" or "false", got %q`, raw)
-				return false
-			}
 
-			f := refctx.ScopeMap.Parent().(*Field)
-			isLeaf := f.Map() == nil || !f.Map().IsContainer()
-			return isLeaf == boolVal
-		case "level":
-			raw := refctx.Key.Value.ScalarBox().Unbox().ScalarString()
-			levelVal, err := strconv.Atoi(raw)
-			if err != nil {
-				c.errorf(refctx.Key, `&level must be a non-negative integer, got %q`, raw)
-				return false
-			}
-			if levelVal < 0 {
-				c.errorf(refctx.Key, `&level must be a non-negative integer, got %d`, levelVal)
-				return false
-			}
-
-			f := refctx.ScopeMap.Parent().(*Field)
-			level := 0
-			parent := ParentField(f)
-			for parent != nil && parent.Name.ScalarString() != "root" && NodeBoardKind(parent) == "" {
-				level++
-				parent = ParentField(parent)
-			}
-			return level == levelVal
-		case "connected":
-			raw := refctx.Key.Value.ScalarBox().Unbox().ScalarString()
-			boolVal, err := strconv.ParseBool(raw)
-			if err != nil {
-				c.errorf(refctx.Key, `&connected must be "true" or "false", got %q`, raw)
-				return false
-			}
-			f := refctx.ScopeMap.Parent().(*Field)
-			isConnected := false
-			for _, r := range f.References {
-				if r.InEdge() {
-					isConnected = true
-					break
-				}
-			}
-			return isConnected == boolVal
 		case "label":
 			f := &Field{}
 			n := refctx.ScopeMap.Parent()
@@ -978,7 +939,10 @@ func (c *compiler) ampersandFilter(refctx *RefContext) bool {
 
 			return dstPath == filterValue
 		default:
-			return false
+			f := refctx.ScopeMap.Parent().(*Field)
+			propName := refctx.Key.Key.Last().ScalarString()
+			value := refctx.Key.Value.ScalarBox().Unbox().ScalarString()
+			return c._ampersandPropertyFilter(propName, value, f, refctx.Key)
 		}
 	}
 	for _, f := range fa {
@@ -990,6 +954,70 @@ func (c *compiler) ampersandFilter(refctx *RefContext) bool {
 	return true
 }
 
+// handles filters that are not based on fields
+func (c *compiler) _ampersandPropertyFilter(propName string, value string, node *Field, key *d2ast.Key) bool {
+	switch propName {
+	case "level":
+		levelVal, err := strconv.Atoi(value)
+		if err != nil {
+			c.errorf(key, `&level must be a non-negative integer, got %q`, value)
+			return false
+		}
+		if levelVal < 0 {
+			c.errorf(key, `&level must be a non-negative integer, got %d`, levelVal)
+			return false
+		}
+
+		level := 0
+		parent := ParentField(node)
+		for parent != nil && parent.Name.ScalarString() != "root" && NodeBoardKind(parent) == "" {
+			level++
+			parent = ParentField(parent)
+		}
+		return level == levelVal
+	case "leaf":
+		boolVal, err := strconv.ParseBool(value)
+		if err != nil {
+			c.errorf(key, `&leaf must be "true" or "false", got %q`, value)
+			return false
+		}
+		isLeaf := node.Map() == nil || !node.Map().IsContainer()
+		return isLeaf == boolVal
+	case "connected":
+		boolVal, err := strconv.ParseBool(value)
+		if err != nil {
+			c.errorf(key, `&connected must be "true" or "false", got %q`, value)
+			return false
+		}
+		isConnected := false
+		for _, r := range node.References {
+			if r.InEdge() {
+				isConnected = true
+				break
+			}
+		}
+		return isConnected == boolVal
+	case "label":
+		f := &Field{}
+		if node.Primary() == nil {
+			f.Primary_ = &Scalar{
+				Value: node.Name,
+			}
+		} else {
+			f.Primary_ = node.Primary()
+		}
+		propKey := &d2ast.Key{
+			Key:   key.Key,
+			Value: key.Value,
+		}
+		propRefCtx := &RefContext{
+			Key: propKey,
+		}
+		return c._ampersandFilter(f, propRefCtx)
+	}
+	return false
+}
+
 func (c *compiler) _ampersandFilter(f *Field, refctx *RefContext) bool {
 	if refctx.Key.Value.ScalarBox().Unbox() == nil {
 		c.errorf(refctx.Key, "glob filters cannot be composites")

testdata/d2compiler/TestCompile2/globs/level-filter.exp.json

@@ -3,7 +3,7 @@
     "name": "",
     "isFolderOnly": false,
     "ast": {
-      "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,0:0:0-10:0:88",
+      "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,0:0:0-21:0:193",
       "nodes": [
         {
           "map_key": {
@@ -223,13 +223,206 @@
         },
         {
           "map_key": {
-            "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:0:82-9:5:87",
+            "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:0:82-13:1:153",
-            "key": {
+            "edges": [
-              "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:0:82-9:5:87",
+              {
+                "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:1:83-9:9:91",
+                "src": {
+                  "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:1:83-9:3:85",
                   "path": [
                     {
                       "unquoted_string": {
-                    "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:0:82-9:1:83",
+                        "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:1:83-9:3:85",
+                        "value": [
+                          {
+                            "string": "**",
+                            "raw_string": "**"
+                          }
+                        ],
+                        "pattern": [
+                          "*",
+                          "",
+                          "*"
+                        ]
+                      }
+                    }
+                  ]
+                },
+                "src_arrow": "",
+                "dst": {
+                  "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:7:89-9:9:91",
+                  "path": [
+                    {
+                      "unquoted_string": {
+                        "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:7:89-9:9:91",
+                        "value": [
+                          {
+                            "string": "**",
+                            "raw_string": "**"
+                          }
+                        ],
+                        "pattern": [
+                          "*",
+                          "",
+                          "*"
+                        ]
+                      }
+                    }
+                  ]
+                },
+                "dst_arrow": ">"
+              }
+            ],
+            "edge_index": {
+              "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:10:92-9:13:95",
+              "int": null,
+              "glob": true
+            },
+            "primary": {},
+            "value": {
+              "map": {
+                "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:15:97-13:1:153",
+                "nodes": [
+                  {
+                    "map_key": {
+                      "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,10:2:101-10:15:114",
+                      "ampersand": true,
+                      "key": {
+                        "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,10:3:102-10:12:111",
+                        "path": [
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,10:3:102-10:6:105",
+                              "value": [
+                                {
+                                  "string": "src",
+                                  "raw_string": "src"
+                                }
+                              ]
+                            }
+                          },
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,10:7:106-10:12:111",
+                              "value": [
+                                {
+                                  "string": "level",
+                                  "raw_string": "level"
+                                }
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "primary": {},
+                      "value": {
+                        "number": {
+                          "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,10:14:113-10:15:114",
+                          "raw": "0",
+                          "value": "0"
+                        }
+                      }
+                    }
+                  },
+                  {
+                    "map_key": {
+                      "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,11:2:117-11:15:130",
+                      "ampersand": true,
+                      "key": {
+                        "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,11:3:118-11:12:127",
+                        "path": [
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,11:3:118-11:6:121",
+                              "value": [
+                                {
+                                  "string": "dst",
+                                  "raw_string": "dst"
+                                }
+                              ]
+                            }
+                          },
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,11:7:122-11:12:127",
+                              "value": [
+                                {
+                                  "string": "level",
+                                  "raw_string": "level"
+                                }
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "primary": {},
+                      "value": {
+                        "number": {
+                          "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,11:14:129-11:15:130",
+                          "raw": "0",
+                          "value": "0"
+                        }
+                      }
+                    }
+                  },
+                  {
+                    "map_key": {
+                      "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,12:2:133-12:20:151",
+                      "key": {
+                        "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,12:2:133-12:14:145",
+                        "path": [
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,12:2:133-12:7:138",
+                              "value": [
+                                {
+                                  "string": "style",
+                                  "raw_string": "style"
+                                }
+                              ]
+                            }
+                          },
+                          {
+                            "unquoted_string": {
+                              "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,12:8:139-12:14:145",
+                              "value": [
+                                {
+                                  "string": "stroke",
+                                  "raw_string": "stroke"
+                                }
+                              ]
+                            }
+                          }
+                        ]
+                      },
+                      "primary": {},
+                      "value": {
+                        "unquoted_string": {
+                          "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,12:16:147-12:20:151",
+                          "value": [
+                            {
+                              "string": "blue",
+                              "raw_string": "blue"
+                            }
+                          ]
+                        }
+                      }
+                    }
+                  }
+                ]
+              }
+            }
+          }
+        },
+        {
+          "map_key": {
+            "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,14:0:154-14:5:159",
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,14:0:154-14:5:159",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,14:0:154-14:1:155",
                     "value": [
                       {
                         "string": "a",
@@ -240,7 +433,7 @@
                 },
                 {
                   "unquoted_string": {
-                    "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:2:84-9:3:85",
+                    "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,14:2:156-14:3:157",
                     "value": [
                       {
                         "string": "b",
@@ -251,7 +444,7 @@
                 },
                 {
                   "unquoted_string": {
-                    "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,9:4:86-9:5:87",
+                    "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,14:4:158-14:5:159",
                     "value": [
                       {
                         "string": "c",
@@ -265,6 +458,184 @@
             "primary": {},
             "value": {}
           }
+        },
+        {
+          "map_key": {
+            "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,16:0:161-16:6:167",
+            "edges": [
+              {
+                "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,16:0:161-16:6:167",
+                "src": {
+                  "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,16:0:161-16:1:162",
+                  "path": [
+                    {
+                      "unquoted_string": {
+                        "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,16:0:161-16:1:162",
+                        "value": [
+                          {
+                            "string": "x",
+                            "raw_string": "x"
+                          }
+                        ]
+                      }
+                    }
+                  ]
+                },
+                "src_arrow": "",
+                "dst": {
+                  "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,16:5:166-16:6:167",
+                  "path": [
+                    {
+                      "unquoted_string": {
+                        "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,16:5:166-16:6:167",
+                        "value": [
+                          {
+                            "string": "y",
+                            "raw_string": "y"
+                          }
+                        ]
+                      }
+                    }
+                  ]
+                },
+                "dst_arrow": ">"
+              }
+            ],
+            "primary": {},
+            "value": {}
+          }
+        },
+        {
+          "map_key": {
+            "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,17:0:168-19:1:183",
+            "key": {
+              "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,17:0:168-17:1:169",
+              "path": [
+                {
+                  "unquoted_string": {
+                    "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,17:0:168-17:1:169",
+                    "value": [
+                      {
+                        "string": "a",
+                        "raw_string": "a"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "primary": {},
+            "value": {
+              "map": {
+                "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,17:3:171-19:1:183",
+                "nodes": [
+                  {
+                    "map_key": {
+                      "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,18:2:175-18:8:181",
+                      "edges": [
+                        {
+                          "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,18:2:175-18:8:181",
+                          "src": {
+                            "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,18:2:175-18:3:176",
+                            "path": [
+                              {
+                                "unquoted_string": {
+                                  "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,18:2:175-18:3:176",
+                                  "value": [
+                                    {
+                                      "string": "1",
+                                      "raw_string": "1"
+                                    }
+                                  ]
+                                }
+                              }
+                            ]
+                          },
+                          "src_arrow": "",
+                          "dst": {
+                            "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,18:7:180-18:8:181",
+                            "path": [
+                              {
+                                "unquoted_string": {
+                                  "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,18:7:180-18:8:181",
+                                  "value": [
+                                    {
+                                      "string": "2",
+                                      "raw_string": "2"
+                                    }
+                                  ]
+                                }
+                              }
+                            ]
+                          },
+                          "dst_arrow": ">"
+                        }
+                      ],
+                      "primary": {},
+                      "value": {}
+                    }
+                  }
+                ]
+              }
+            }
+          }
+        },
+        {
+          "map_key": {
+            "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,20:0:184-20:8:192",
+            "edges": [
+              {
+                "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,20:0:184-20:8:192",
+                "src": {
+                  "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,20:0:184-20:3:187",
+                  "path": [
+                    {
+                      "unquoted_string": {
+                        "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,20:0:184-20:1:185",
+                        "value": [
+                          {
+                            "string": "a",
+                            "raw_string": "a"
+                          }
+                        ]
+                      }
+                    },
+                    {
+                      "unquoted_string": {
+                        "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,20:2:186-20:3:187",
+                        "value": [
+                          {
+                            "string": "1",
+                            "raw_string": "1"
+                          }
+                        ]
+                      }
+                    }
+                  ]
+                },
+                "src_arrow": "",
+                "dst": {
+                  "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,20:7:191-20:8:192",
+                  "path": [
+                    {
+                      "unquoted_string": {
+                        "range": "d2/testdata/d2compiler/TestCompile2/globs/level-filter.d2,20:7:191-20:8:192",
+                        "value": [
+                          {
+                            "string": "x",
+                            "raw_string": "x"
+                          }
+                        ]
+                      }
+                    }
+                  ]
+                },
+                "dst_arrow": ">"
+              }
+            ],
+            "primary": {},
+            "value": {}
+          }
         }
       ]
     },
@@ -292,7 +663,108 @@
       },
       "zIndex": 0
     },
-    "edges": null,
+    "edges": [
+      {
+        "index": 0,
+        "isCurve": false,
+        "src_arrow": false,
+        "dst_arrow": true,
+        "references": [
+          {
+            "map_key_edge_index": 0
+          },
+          {
+            "map_key_edge_index": 0
+          }
+        ],
+        "attributes": {
+          "label": {
+            "value": ""
+          },
+          "labelDimensions": {
+            "width": 0,
+            "height": 0
+          },
+          "style": {
+            "stroke": {
+              "value": "blue"
+            }
+          },
+          "iconStyle": {},
+          "near_key": null,
+          "shape": {
+            "value": ""
+          },
+          "direction": {
+            "value": ""
+          },
+          "constraint": null
+        },
+        "zIndex": 0
+      },
+      {
+        "index": 0,
+        "isCurve": false,
+        "src_arrow": false,
+        "dst_arrow": true,
+        "references": [
+          {
+            "map_key_edge_index": 0
+          }
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