mbien commented on code in PR #8304:
URL: https://github.com/apache/netbeans/pull/8304#discussion_r1985743240
##########
ide/parsing.api/src/org/netbeans/modules/parsing/api/Source.java:
##########
@@ -334,81 +332,72 @@ public Snapshot createSnapshot () {
// The code below is a copy of
CharacterConversions.lineSeparatorToLineFeed() method
// and it handles line-end conversion. In general EditorKits
can do more conversions,
// but they usually don't and this should be good enough for
Snapshots.
- try {
- if (fileObject.isValid ()) {
- if (fileObject.getSize() <=
Utilities.getMaxFileSize()) {
- final InputStream is = fileObject.getInputStream
();
- assert is != null : "FileObject.getInputStream()
returned null for FileObject: " + FileUtil.getFileDisplayName(fileObject);
//NOI18N
- try {
- InputStreamReader reader = new
InputStreamReader (
- is,
- FileEncodingQuery.getEncoding
(fileObject)
- );
- try {
- StringBuilder output = new
StringBuilder(Math.max(16, (int) fileObject.getSize()));
- List<Integer> lso = new
LinkedList<Integer>();
- boolean lastCharCR = false;
- char [] buffer = new char [65536];
- int size = -1;
-
- final char LF = '\n'; //NOI18N, Unicode
line feed (0x000A)
- final char CR = '\r'; //NOI18N, Unicode
carriage return (0x000D)
- final char LS = 0x2028; // Unicode line
separator (0x2028)
- final char PS = 0x2029; // Unicode
paragraph separator (0x2029)
-
- lso.add(0);
- while(-1 != (size = reader.read(buffer, 0,
buffer.length))) {
- for(int i = 0; i < size; i++) {
- char ch = buffer[i];
- if (lastCharCR && ch == LF) {
- // CR-LF pair changed to
single LF
- continue;
- }
- if (ch == CR) {
- // convert to LF; subsequent
LF will be skipped
- output.append(LF);
- lso.add(output.length());
- lastCharCR = true;
- } else if (ch == LS || ch == PS) {
// Unicode LS, PS
- output.append(LF);
- lso.add(output.length());
- lastCharCR = false;
- } else { // current char not CR
- lastCharCR = false;
- output.append(ch);
- }
- }
+ if (fileObject.isValid()) {
+ if (fileObject.getSize() <= Utilities.getMaxFileSize()) {
+ try (InputStreamReader reader = new
InputStreamReader(fileObject.getInputStream(),
FileEncodingQuery.getEncoding(fileObject))) {
+ StringBuilder output = new
StringBuilder(Math.max(16, (int) fileObject.getSize()));
+ List<Integer> lso = new ArrayList<>();
+ boolean lastCharCR = false;
+ char[] buffer = new char [65536];
+ int size = -1;
+
+ final char LF = '\n'; //NOI18N, Unicode line feed
(0x000A)
+ final char CR = '\r'; //NOI18N, Unicode carriage
return (0x000D)
+ final char LS = 0x2028; // Unicode line separator
(0x2028)
+ final char PS = 0x2029; // Unicode paragraph
separator (0x2029)
+
+ lso.add(0);
+ while(-1 != (size = reader.read(buffer, 0,
buffer.length))) {
+ for(int i = 0; i < size; i++) {
+ char ch = buffer[i];
+ if (lastCharCR && ch == LF) {
+ // CR-LF pair changed to single LF
+ continue;
}
-
- int [] lsoArr = new int [lso.size()];
- int idx = 0;
- for(Integer offset : lso) {
- lsoArr[idx++] = offset;
+ if (ch == CR) {
+ // convert to LF; subsequent LF will
be skipped
+ output.append(LF);
+ lso.add(output.length());
+ lastCharCR = true;
+ } else if (ch == LS || ch == PS) { //
Unicode LS, PS
+ output.append(LF);
+ lso.add(output.length());
+ lastCharCR = false;
+ } else { // current char not CR
+ lastCharCR = false;
+ output.append(ch);
}
-
- text[0] = output;
- lineStartOffsets[0] = lsoArr;
- } finally {
- reader.close ();
}
- } finally {
- is.close ();
}
- } else {
- LOG.log(
- Level.WARNING,
- "Source {0} of size: {1} has been ignored due
to large size. Files large then {2} bytes are ignored, you can increase the
size by parse.max.file.size property.", //NOI18N
- new Object[]{
- FileUtil.getFileDisplayName(fileObject),
- fileObject.getSize(),
- Utilities.getMaxFileSize()
- });
+
+ int[] lsoArr = new int[lso.size()];
+ int idx = 0;
+ for(Integer offset : lso) {
+ lsoArr[idx++] = offset;
+ }
+
+ text[0] = output;
+ lineStartOffsets[0] = lsoArr;
+ } catch (FileNotFoundException fnfe) {
+ // working with a stale FileObject, just ignore
this (eg see #158119)
+ } catch (CoderMalfunctionError cme) {
+ text[0] = ""; //NOI18N
+ lineStartOffsets[0] = new int[] { 0 };
Review Comment:
done, used multicatch - FileNotFound is also implicitly handled via
IOException.
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