refactor folders to move "/state" (IApplicationState) inside "/context" (IApplicationContext)

src/application/Context/State/Code/Generation/UserScriptGenerator.ts

@@ -0,0 +1,67 @@
+import { SelectedScript } from '@/application/Context/State/Selection/SelectedScript';
+import { IUserScriptGenerator } from './IUserScriptGenerator';
+import { CodeBuilder } from './CodeBuilder';
+import { ICodePosition } from '@/application/Context/State/Code/Position/ICodePosition';
+import { CodePosition } from '../Position/CodePosition';
+import { IUserScript } from './IUserScript';
+import { IScriptingDefinition } from '@/domain/IScriptingDefinition';
+import { ICodeBuilder } from './ICodeBuilder';
+
+export class UserScriptGenerator implements IUserScriptGenerator {
+    constructor(private readonly codeBuilderFactory: () => ICodeBuilder = () => new CodeBuilder()) {
+
+    }
+    public buildCode(
+        selectedScripts: ReadonlyArray<SelectedScript>,
+        scriptingDefinition: IScriptingDefinition): IUserScript {
+        if (!selectedScripts) { throw new Error('undefined scripts'); }
+        if (!scriptingDefinition) { throw new Error('undefined definition'); }
+        let scriptPositions = new Map<SelectedScript, ICodePosition>();
+        if (!selectedScripts.length) {
+            return { code: '', scriptPositions };
+        }
+        let builder = this.codeBuilderFactory();
+        builder = initializeCode(scriptingDefinition.startCode, builder);
+        for (const selection of selectedScripts) {
+            scriptPositions = appendSelection(selection, scriptPositions, builder);
+        }
+        const code = finalizeCode(builder, scriptingDefinition.endCode);
+        return { code, scriptPositions };
+    }
+}
+
+function initializeCode(startCode: string, builder: ICodeBuilder): ICodeBuilder {
+    if (!startCode) {
+        return builder;
+    }
+    return builder
+        .appendLine(startCode)
+        .appendLine();
+}
+
+function finalizeCode(builder: ICodeBuilder, endCode: string): string {
+    if (!endCode) {
+        return builder.toString();
+    }
+    return builder.appendLine()
+        .appendLine(endCode)
+        .toString();
+}
+
+function appendSelection(
+    selection: SelectedScript,
+    scriptPositions: Map<SelectedScript, ICodePosition>,
+    builder: ICodeBuilder): Map<SelectedScript, ICodePosition> {
+    const startPosition = builder.currentLine + 1;
+    appendCode(selection, builder);
+    const endPosition = builder.currentLine - 1;
+    builder.appendLine();
+    scriptPositions.set(selection, new CodePosition(startPosition, endPosition));
+    return scriptPositions;
+}
+
+function appendCode(selection: SelectedScript, builder: ICodeBuilder) {
+    const name = selection.revert ? `${selection.script.name} (revert)` : selection.script.name;
+    const scriptCode = selection.revert ? selection.script.code.revert : selection.script.code.execute;
+    builder.appendFunction(name, scriptCode);
+}