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* CleanCommand
* Deletes generated files (.c, .cpp, .h, .hpp) that have matching .cnx sources
*/
import { basename, dirname, join, resolve } from "node:path";
import InputExpansion from "../PARSE/1-Discover/InputExpansion";
import PathResolver from "../PARSE/1-Discover/PathResolver";
import NodeFileSystem from "../PARSE/1-Discover/NodeFileSystem";
import Write from "../WRITE/1-Write/Write";
/**
* Command to clean generated output files
*/
class CleanCommand {
/**
* Discover CNX files from entry point.
* Returns null if none found or on error.
*/
private static discoverCnxFiles(input: string): string[] | null {
try {
const cnxFiles = InputExpansion.expandInputs(
[input],
NodeFileSystem.instance,
);
if (cnxFiles.length === 0) {
console.log("No .cnx files found. Nothing to clean.");
return null;
}
return cnxFiles;
} catch (error) {
console.error(`Error: ${error}`);
return null;
}
}
/**
* Delete generated files for a given set of extensions.
*/
private static deleteGeneratedFiles(
baseName: string,
relativePath: string | null,
targetDir: string,
extensions: string[],
): number {
let count = 0;
for (const ext of extensions) {
const outputPath = relativePath
? join(targetDir, relativePath.replace(/\.cnx$|\.cnext$/, ext))
: join(targetDir, baseName + ext);
if (this.deleteIfExists(outputPath)) {
count++;
}
}
return count;
}
/**
* Execute the clean command
*
* @param input - Entry point .cnx file
* @param outDir - Output directory for code files
* @param headerOutDir - Optional separate output directory for headers
*/
static execute(input: string, outDir: string, headerOutDir?: string): void {
if (!outDir) {
console.log("No output directory specified. Nothing to clean.");
return;
}
const cnxFiles = this.discoverCnxFiles(input);
if (!cnxFiles) return;
const resolvedOutDir = resolve(outDir);
const resolvedHeaderDir = headerOutDir
? resolve(headerOutDir)
: resolvedOutDir;
const pathResolver = new PathResolver(
{
inputs: [dirname(resolve(input))],
outDir,
headerOutDir,
},
NodeFileSystem.instance,
);
let deletedCount = 0;
for (const cnxFile of cnxFiles) {
const baseName = basename(cnxFile).replace(/\.cnx$|\.cnext$/, "");
const relativePath = pathResolver.getRelativePathFromInputs(cnxFile);
// Delete code files (.c and .cpp)
deletedCount += this.deleteGeneratedFiles(
baseName,
relativePath,
resolvedOutDir,
[".c", ".cpp"],
);
// Delete header files (.h and .hpp)
deletedCount += this.deleteGeneratedFiles(
baseName,
relativePath,
resolvedHeaderDir,
[".h", ".hpp"],
);
}
if (deletedCount === 0) {
console.log("No generated files found to delete.");
} else {
console.log(`Deleted ${deletedCount} generated file(s).`);
}
}
/**
* Delete a file if it exists
* @returns true if file was deleted, false otherwise
*/
private static deleteIfExists(filePath: string): boolean {
// A file that is not there is not an error for our purposes.
if (!NodeFileSystem.instance.exists(filePath)) {
return false;
}
try {
Write.remove(NodeFileSystem.instance, filePath);
console.log(` Deleted: ${filePath}`);
return true;
} catch (err: unknown) {
console.error(` Failed to delete ${filePath}: ${err}`);
return false;
}
}
}
export default CleanCommand;
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