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authorMatt A. Tobin <email@mattatobin.com>2019-11-03 00:17:46 -0400
committerMatt A. Tobin <email@mattatobin.com>2019-11-03 00:17:46 -0400
commit302bf1b523012e11b60425d6eee1221ebc2724eb (patch)
treeb191a895f8716efcbe42f454f37597a545a6f421 /mailnews/imap/src/nsIMAPGenericParser.h
parent21b3f6247403c06f85e1f45d219f87549862198f (diff)
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Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1
Diffstat (limited to 'mailnews/imap/src/nsIMAPGenericParser.h')
-rw-r--r--mailnews/imap/src/nsIMAPGenericParser.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/mailnews/imap/src/nsIMAPGenericParser.h b/mailnews/imap/src/nsIMAPGenericParser.h
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+++ b/mailnews/imap/src/nsIMAPGenericParser.h
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+nsIMAPGenericParser is the base parser class used by the server parser and body shell parser
+*/
+
+#ifndef nsIMAPGenericParser_H
+#define nsIMAPGenericParser_H
+
+#include "nsImapCore.h"
+
+#define WHITESPACE " \015\012" // token delimiter
+
+
+class nsIMAPGenericParser
+{
+
+public:
+ nsIMAPGenericParser();
+ virtual ~nsIMAPGenericParser();
+
+ // Add any specific stuff in the derived class
+ virtual bool LastCommandSuccessful();
+
+ bool SyntaxError() { return (fParserState & stateSyntaxErrorFlag) != 0; }
+ bool ContinueParse() { return fParserState == stateOK; }
+ bool Connected() { return !(fParserState & stateDisconnectedFlag); }
+ void SetConnected(bool error);
+
+protected:
+
+ // This is a pure virtual member which must be overridden in the derived class
+ // for each different implementation of a nsIMAPGenericParser.
+ // For instance, one implementation (the nsIMAPServerState) might get the next line
+ // from an open socket, whereas another implementation might just get it from a buffer somewhere.
+ // This fills in nextLine with the buffer, and returns true if everything is OK.
+ // Returns false if there was some error encountered. In that case, we reset the parser.
+ virtual bool GetNextLineForParser(char **nextLine) = 0;
+
+ virtual void HandleMemoryFailure();
+ void skip_to_CRLF();
+ void skip_to_close_paren();
+ char *CreateString();
+ char *CreateAstring();
+ char *CreateNilString();
+ char *CreateLiteral();
+ char *CreateAtom(bool isAstring = false);
+ char *CreateQuoted(bool skipToEnd = true);
+ char *CreateParenGroup();
+ virtual void SetSyntaxError(bool error, const char *msg);
+
+ void AdvanceToNextToken();
+ void AdvanceToNextLine();
+ void AdvanceTokenizerStartingPoint(int32_t bytesToAdvance);
+ void ResetLexAnalyzer();
+
+protected:
+ // use with care
+ const char *fNextToken;
+ char *fCurrentLine;
+ char *fLineOfTokens;
+ char *fStartOfLineOfTokens;
+ char *fCurrentTokenPlaceHolder;
+ bool fAtEndOfLine;
+
+private:
+ enum nsIMAPGenericParserState { stateOK = 0,
+ stateSyntaxErrorFlag = 0x1,
+ stateDisconnectedFlag = 0x2 };
+ uint32_t fParserState;
+};
+
+#endif