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26 changes: 19 additions & 7 deletions internal/loader/loader.go
Original file line number Diff line number Diff line change
Expand Up @@ -68,18 +68,30 @@ func init() {
}
}

// knownBinaryFormats are file extensions for formats that are inherently binary
// but have dedicated loaders that know how to parse them.
var knownBinaryFormats = map[string]bool{
".pdf": true,
".docx": true,
}

// Load dispatches to the correct loader by file extension.
// Returns ErrBinaryFile (non-fatal) if the file looks like a binary.
func Load(path string) (*RawDocument, error) {
binary, err := isBinary(path)
if err != nil {
return nil, err
}
if binary {
return nil, fmt.Errorf("%w: %s", ErrBinaryFile, path)
ext := strings.ToLower(filepath.Ext(path))

// Skip binary detection for formats that are inherently binary but have
// dedicated parsers (PDF, DOCX).
if !knownBinaryFormats[ext] {
binary, err := isBinary(path)
if err != nil {
return nil, err
}
if binary {
return nil, fmt.Errorf("%w: %s", ErrBinaryFile, path)
}
}

ext := strings.ToLower(filepath.Ext(path))
for _, l := range registry {
if l.Supports(ext) {
return l.Load(path)
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