Method parseGrepOutput

packages/core/src/tools/grep.ts:238–277

* Parses the standard output of grep-like commands (git grep, system grep). * Expects format: filePath:lineNumber:lineContent * Handles colons within file paths and line content correctly. * @param {string} output The raw stdout string. * @param {string} basePath The absolute directory t

(output: string, basePath: string)

   * @returns {GrepMatch[]} Array of match objects.
   */
  private parseGrepOutput(output: string, basePath: string): GrepMatch[] {
    const results: GrepMatch[] = [];
    if (!output) return results;

    const lines = output.split(EOL); // Use OS-specific end-of-line

    for (const line of lines) {
      if (!line.trim()) continue;

      // Find the index of the first colon.
      const firstColonIndex = line.indexOf(':');
      if (firstColonIndex === -1) continue; // Malformed

      // Find the index of the second colon, searching *after* the first one.
      const secondColonIndex = line.indexOf(':', firstColonIndex + 1);
      if (secondColonIndex === -1) continue; // Malformed

      // Extract parts based on the found colon indices
      const filePathRaw = line.substring(0, firstColonIndex);
      const lineNumberStr = line.substring(
        firstColonIndex + 1,
        secondColonIndex,
      );
      const lineContent = line.substring(secondColonIndex + 1);

      const lineNumber = parseInt(lineNumberStr, 10);

      if (!isNaN(lineNumber)) {
        const absoluteFilePath = path.resolve(basePath, filePathRaw);
        const relativeFilePath = path.relative(basePath, absoluteFilePath);

        results.push({
          filePath: relativeFilePath || path.basename(absoluteFilePath),
          lineNumber,
          line: lineContent,
        });
      }
    }
    return results;
  }

  /**
   * Gets a description of the grep operation