All files / src/objects view.ts

88.14% Statements 119/135
77.77% Branches 28/36
75% Functions 6/8
88.14% Lines 119/135

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import * as Types from "../abap/types/basic";
import {AbstractObject} from "./_abstract_object";
import {xmlToArray} from "../xml_utils";
import {IRegistry} from "../_iregistry";
import {DDIC} from "../ddic";
import {AbstractType} from "../abap/types/basic/_abstract_type";
import {IObjectAndToken} from "../_iddic_references";
 
export class View extends AbstractObject {
  private parsedData: {
    fields: {
      VIEWFIELD: string,
      TABNAME: string,
      FIELDNAME: string}[],
    join: {
      LTAB: string,
      LFIELD: string,
      OPERATOR: string,
      RTAB: string,
      RFIELD: string,
    }[]} | undefined;
 
  public getType(): string {
    return "VIEW";
  }
 
  public getAllowedNaming() {
    return {
      maxLength: 30,
      allowNamespace: true,
    };
  }
 
  public getFields() {
    if (this.parsedData === undefined) {
      this.parseXML();
    }
    return this.parsedData?.fields;
  }
 
  public getJoin() {
    if (this.parsedData === undefined) {
      this.parseXML();
    }
    return this.parsedData?.join;
  }
 
  public setDirty(): void {
    this.parsedData = undefined;
    super.setDirty();
  }
 
  public parseType(reg: IRegistry): AbstractType {
    if (this.parsedData === undefined) {
      this.parseXML();
    }
    if (this.parsedData === undefined) {
      return new Types.UnknownType("View, parser error", this.getName());
    }
 
    const components: Types.IStructureComponent[] = [];
    const references: IObjectAndToken[] = [];
    const ddic = new DDIC(reg);
    for (const field of this.parsedData.fields) {
      if (field.VIEWFIELD === "*" || field.VIEWFIELD === "-") {
        // ignore, this is a special case of old style .INCLUDE
        continue;
      }
      const lookup = ddic.lookupTableOrView(field.TABNAME);
      let found = lookup.type;
      if (lookup.object) {
        references.push({object: lookup.object});
      }
      if (field.VIEWFIELD === ".APPEND") {
// it is already expanded in the abapGit xml
        continue;
      }
      if (found instanceof Types.StructureType) {
        const s = found.getComponentByName(field.FIELDNAME);
        if (s === undefined) {
          found = new Types.UnknownType(field.FIELDNAME + " not found in " + field.TABNAME + ", VIEW parse type");
        } else {
          found = s;
        }
      }
      components.push({
        name: field.VIEWFIELD,
        type: found});
    }
 
    reg.getDDICReferences().setUsing(this, references);
    if (components.length === 0) {
      return new Types.UnknownType("View " + this.getName() + " does not contain any components");
    }
 
    return new Types.StructureType(components, this.getName());
  }
 
  public getDescription(): string | undefined {
    // todo
    return undefined;
  }
 
///////////////
 
  private parseXML() {
    this.parsedData = {fields: [], join: []};
 
    const parsed = super.parseRaw2();
    if (parsed === undefined || parsed.abapGit === undefined) {
      return;
    }
 
    const fields = parsed.abapGit["asx:abap"]["asx:values"]?.DD27P_TABLE;
    for (const field of xmlToArray(fields?.DD27P)) {
      this.parsedData.fields.push({
        VIEWFIELD: field.VIEWFIELD,
        TABNAME: field.TABNAME,
        FIELDNAME: field.FIELDNAME,
      });
    }
 
    const join = parsed.abapGit["asx:abap"]["asx:values"]?.DD28J_TABLE;
    for (const j of xmlToArray(join?.DD28J)) {
      this.parsedData.join.push({
        LTAB: j.LTAB,
        LFIELD: j.LFIELD,
        OPERATOR: j.OPERATOR,
        RTAB: j.RTAB,
        RFIELD: j.RFIELD,
      });
    }
  }
 
}