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/** Provides a class for working with defect query results stored in dashboard databases. */

import semmle.python.Files

/**

* Holds if `id` is the opaque identifier of a result reported by query `queryPath`,

* such that `message` is the associated message and the location of the result spans

* column `startcol` of line `startline` to column `endcol` of line `endline`

* in file `filepath`.

*

* For more information, see [Locations](https://help.semmle.com/QL/learn-ql/ql/locations.html).

*/

external predicate defectResults(

int id, string queryPath, string filepath, int startline, int startcol, int endline, int endcol,

string message

);

/**

* A defect query result stored in a dashboard database.

*/

class DefectResult extends int {

DefectResult() { defectResults(this, _, _, _, _, _, _, _) }

/** Gets the path of the query that reported the result. */

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

/** Gets the file in which this query result was reported. */

File getFile() {

exists(string path | defectResults(this, _, path, _, _, _, _, _) and result.getName() = path)

}

/** Gets the file path in which this query result was reported. */

string getFilePath() { defectResults(this, _, result, _, _, _, _, _) }

/** Gets the line on which the location of this query result starts. */

int getStartLine() { defectResults(this, _, _, result, _, _, _, _) }

/** Gets the column on which the location of this query result starts. */

int getStartColumn() { defectResults(this, _, _, _, result, _, _, _) }

/** Gets the line on which the location of this query result ends. */

int getEndLine() { defectResults(this, _, _, _, _, result, _, _) }

/** Gets the column on which the location of this query result ends. */

int getEndColumn() { defectResults(this, _, _, _, _, _, result, _) }

/** Gets the message associated with this query result. */

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

predicate hasLocationInfo(string path, int sl, int sc, int el, int ec) {

defectResults(this, _, path, sl, sc, el, ec, _)

}

/** Gets the URL corresponding to the location of this query result. */

string getURL() {

result =

"file://" + getFile().getName() + ":" + getStartLine() + ":" + getStartColumn() + ":" +

getEndLine() + ":" + getEndColumn()

}

}

// crude containment by line number only

predicate contains(Location l, DefectResult res) {

exists(string path, int bl1, int el1, int bl2, int el2 |

l.hasLocationInfo(path, bl1, _, el1, _) and

res.hasLocationInfo(path, bl2, _, el2, _) and

bl1 <= bl2 and

el1 >= el2

)

}