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Fixed an issue which caused space characters to throw exceptions when being parsed. Some cosmetic changes, and context sensitivity for EXISTS, RECENT and EXPUNGE responses which have empty token lists.

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This commit is contained in:
Apoorv Khatreja 2011-08-04 23:30:27 +05:30
parent 9335dacd46
commit 47bedec410
1 changed files with 20 additions and 18 deletions
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38
src/com/fsck/k9/mail/store/ImapResponseParser.java
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@ -72,31 +72,23 @@ public class ImapResponseParser {
private void readTokens(ImapResponse response) throws IOException {
response.clear();
Object token;
String firstString = parseAtom();
String firstToken = (String) readToken(response);
response.add(firstString);
response.add(firstToken);
if (mIn.peek() == ' ') {
mIn.read(); //Skip space if parseAtom() didn't do it.
}
skipIfSpace();
if (isStatusResponse(firstString)) {
if (isStatusResponse(firstToken)) {
parseStatusResponse(response);
} else {
while ((token = readToken(response)) != null) {
if (!(token instanceof ImapList)) {
response.add(token);
if (isSizeOrExpungeResponse((String) token)) {
break;
}
}
}
/*
* TODO: Check for responses ("OK", "PREAUTH", "BYE", "NO", "BAD")
* that can contain resp-text tokens. If found, hand over to a special
* method that parses a resp-text token. There's no need to use
* readToken()/parseToken() on that data.
*
* See RFC 3501, Section 9 Formal Syntax (resp-text)
*/
}
response.mCompleted = true;
}
@ -106,9 +98,7 @@ public class ImapResponseParser {
int next = mIn.peek();
if (next == '[') {
parseSequence(parent);
if (mIn.peek() == ' ') { // Skip following space
mIn.read();
}
skipIfSpace();
}
String rest = readStringUntil('\r');
@ -121,6 +111,12 @@ public class ImapResponseParser {
}
void skipIfSpace() throws IOException {
if (mIn.peek() == ' ') {
expect(' ');
}
}
/**
* Reads the next token of the response. The token can be one of: String -
* for NIL, QUOTED, NUMBER, ATOM. Object - for LITERAL.
@ -532,6 +528,12 @@ public class ImapResponseParser {
symbol.equalsIgnoreCase("BYE");
}
public boolean isSizeOrExpungeResponse(String symbol) {
return symbol.equalsIgnoreCase("EXISTS") ||
symbol.equalsIgnoreCase("RECENT") ||
symbol.equalsIgnoreCase("EXPUNGE");
}
public static boolean equalsIgnoreCase(Object o1, Object o2) {
if (o1 != null && o2 != null && o1 instanceof String && o2 instanceof String) {
String s1 = (String)o1;