All files / src/rules line_length.ts

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import {ABAPFile} from "../abap/abap_file";
import {Issue} from "../issue";
import {ABAPRule} from "./_abap_rule";
import {BasicRuleConfig} from "./_basic_rule_config";
import {RuleTag} from "./_irule";
 
export class LineLengthConf extends BasicRuleConfig {
  /** Maximum line length in characters, trailing whitespace ignored */
  public length: number = 120;
}
 
export class LineLength extends ABAPRule {
 
  private conf = new LineLengthConf();
 
  public getMetadata() {
    return {
      key: "line_length",
      title: "Line length",
      shortDescription: `Detects lines exceeding the provided maximum length.`,
      extendedInformation: `https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#stick-to-a-reasonable-line-length
https://docs.abapopenchecks.org/checks/04/`,
      tags: [RuleTag.Styleguide, RuleTag.SingleFile],
    };
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: LineLengthConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const issues: Issue[] = [];
    // maximum line length in abap files
    const maxLineLength: number = 255;
 
    const array = file.getRawRows();
    for (let rowIndex = 0; rowIndex < array.length; rowIndex++) {
      const row = array[rowIndex].replace("\r", "");
      if (row.length > maxLineLength) {
        const message = `Maximum allowed line length of ${maxLineLength} exceeded, currently ${row.length}`;
        issues.push(Issue.atRow(file, rowIndex + 1, message, this.getMetadata().key, this.conf.severity));
      } else if (row.length > this.conf.length) {
        const message = `Reduce line length to max ${this.conf.length}, currently ${row.length}`;
        issues.push(Issue.atRow(file, rowIndex + 1, message, this.getMetadata().key, this.conf.severity));
      }
    }
    return issues;
  }
 
}