ExternalArtifact.qll

import python

class ExternalDefect extends @externalDefect {

    string getQueryPath() {
        exists(string path |
            externalDefects(this, path, _, _, _) and
            result = path.replaceAll("\\", "/")
        )
    }

    string getMessage() {
        externalDefects(this, _, _, result, _)
    }

    float getSeverity() {
        externalDefects(this, _, _, _, result)
    }

    Location getLocation() {
        externalDefects(this,_,result,_,_)
    }

    string toString() {
        result = getQueryPath() + ": " + getLocation() + " - " + getMessage()
     }
}

class ExternalMetric extends @externalMetric {

    string getQueryPath() {
        externalMetrics(this, result, _, _)
    }

    float getValue() {
        externalMetrics(this, _, _, result)
    }

    Location getLocation() {
        externalMetrics(this,_,result,_)
    }

    string toString() {
        result = getQueryPath() + ": " + getLocation() + " - " + getValue()
    }
}

class ExternalData extends @externalDataElement {

    string getDataPath() {
        externalData(this, result, _, _)
    }

    string getQueryPath() {
        result = getDataPath().regexpReplaceAll("\\.[^.]*$", ".ql")
    }

    int getNumFields() {
        result = 1 + max(int i | externalData(this, _, i, _) | i)
    }

    string getField(int index) {
        externalData(this, _, index, result)
    }

    int getFieldAsInt(int index) {
        result = getField(index).toInt()
    }

    float getFieldAsFloat(int index) {
        result = getField(index).toFloat()
    }

    date getFieldAsDate(int index) {
        result = getField(index).toDate()
    }

    string toString() {
        result = getQueryPath() + ": " + buildTupleString(0)
    }

    private string buildTupleString(int start) {
        (start = getNumFields() - 1 and result = getField(start))
        or
        (start < getNumFields() - 1 and result = getField(start) + "," + buildTupleString(start+1))
    }

}

/**
 * External data with a location, and a message, as produced by tools that used to produce QLDs.
 */
class DefectExternalData extends ExternalData {
  DefectExternalData() { 
    this.getField(0).regexpMatch("\\w+://.*:[0-9]+:[0-9]+:[0-9]+:[0-9]+$") and
    this.getNumFields() = 2
  }
  
  string getURL() { result = getField(0) }

  string getMessage() { result = getField(1) }
}