snapshot of https://github.com/sqlc-dev/sqlc.git (main, 2026-09-16; blobs > 131072B omitted)

internal/config/convert/convert.go

@@ -0,0 +1,84 @@
+package convert
+
+import (
+	"encoding/json"
+	"fmt"
+	"strconv"
+
+	"gopkg.in/yaml.v3"
+)
+
+func gen(n *yaml.Node) (any, error) {
+	switch n.Kind {
+
+	case yaml.MappingNode:
+		nn := map[string]any{}
+		for i, _ := range n.Content {
+			if i%2 == 0 {
+				k := n.Content[i]
+				v, err := gen(n.Content[i+1])
+				if err != nil {
+					return nil, err
+				}
+				nn[k.Value] = v
+			}
+		}
+		return nn, nil
+
+	case yaml.SequenceNode:
+		nn := []any{}
+		for i, _ := range n.Content {
+			v, err := gen(n.Content[i])
+			if err != nil {
+				return nil, err
+			}
+			nn = append(nn, v)
+		}
+		return nn, nil
+
+	case yaml.ScalarNode:
+		switch n.Tag {
+
+		case "!!bool":
+			return strconv.ParseBool(n.Value)
+
+		case "!!float":
+			return strconv.ParseFloat(n.Value, 64)
+
+		case "!!int":
+			return strconv.Atoi(n.Value)
+
+		case "!!null":
+			return nil, nil
+
+		case "!!str":
+			return n.Value, nil
+
+		default:
+			return n.Value, nil
+
+		}
+
+	case yaml.AliasNode:
+		return gen(n.Alias)
+
+	default:
+		return nil, fmt.Errorf("unknown yaml value: %s (%s)", n.Value, n.Tag)
+
+	}
+}
+
+func YAMLtoJSON(n yaml.Node) ([]byte, error) {
+	if n.Kind == 0 {
+		return []byte{}, nil
+	}
+	iface, err := gen(&n)
+	if err != nil {
+		return nil, err
+	}
+	blob, err := json.Marshal(iface)
+	if err != nil {
+		return nil, err
+	}
+	return blob, nil
+}

internal/config/convert/convert_test.go

@@ -0,0 +1,47 @@
+package convert
+
+import (
+	"testing"
+
+	"gopkg.in/yaml.v3"
+)
+
+const anchor = `
+sql:
+  - schema: query.sql
+    queries: query.sql
+    engine: postgresql
+    codegen:
+      - out: gateway/src/gateway/services/organization
+        plugin: py
+        options: &base-options
+          query_parameter_limit: 1
+          package: gateway
+          output_models_file_name: null
+          emit_module: true
+          emit_generators: false
+          emit_async: true
+
+  - schema: query.sql
+    queries: query.sql
+    engine: postgresql
+    codegen:
+      - out: gateway/src/gateway/services/project
+        plugin: py
+        options: *base-options
+`
+
+type config struct {
+	SQL yaml.Node `yaml:"sql"`
+}
+
+func TestAlias(t *testing.T) {
+	var a config
+	err := yaml.Unmarshal([]byte(anchor), &a)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := gen(&a.SQL); err != nil {
+		t.Fatal(err)
+	}
+}