Mortdecai
b3bbd55551
Implements ExtractImages() which scans filter stdout line-by-line, extracts valid OSC 9 image markers into ImageRef structs, and replaces marker lines with null-delimited placeholders (\x00IMG:N\x00). Invalid markers (missing path) pass through unchanged. Also clarifies the Index field comment in ImageRef to indicate it is set by ExtractImages, not ParseImageOSC. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
package parse
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
|
|
"git.sr.ht/~rjarry/aerc/lib/log"
|
|
)
|
|
|
|
// ExtractImages scans a reader for OSC 9 image markers, replaces them with
|
|
// null-byte-delimited placeholders (\x00IMG:N\x00), and returns the cleaned
|
|
// reader plus a slice of ImageRef structs.
|
|
//
|
|
// Lines containing valid image markers are replaced entirely with the
|
|
// placeholder. Lines with invalid markers (e.g. missing path) pass through
|
|
// unchanged.
|
|
func ExtractImages(r io.Reader) (io.Reader, []ImageRef) {
|
|
var images []ImageRef
|
|
buf := bytes.NewBuffer(nil)
|
|
scanner := bufio.NewScanner(r)
|
|
scanner.Buffer(nil, 1024*1024*1024)
|
|
for scanner.Scan() {
|
|
line := scanner.Bytes()
|
|
if bytes.Contains(line, oscImagePrefix) {
|
|
if ref, ok := ParseImageOSC(line); ok {
|
|
ref.Index = len(images)
|
|
images = append(images, *ref)
|
|
fmt.Fprintf(buf, "\x00IMG:%d\x00\n", ref.Index)
|
|
continue
|
|
}
|
|
}
|
|
buf.Write(line)
|
|
buf.WriteByte('\n')
|
|
}
|
|
if err := scanner.Err(); err != nil {
|
|
log.Warnf("ExtractImages: scan error: %v", err)
|
|
}
|
|
return buf, images
|
|
}
|