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authorMaxBolingbroke <>2010-12-23 09:52:42 (GMT)
committerLuite Stegeman <luite@luite.com>2010-12-23 09:52:42 (GMT)
commitdd5b18fb5a22a00cfe32bfaf2a783e96c6237b71 (patch)
tree387ba3da5aaf40c8fa5ce3b1a9c9aeef0fd36d19 /libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsEscCharsetProber.cpp
version 1.01.0
Diffstat (limited to 'libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsEscCharsetProber.cpp')
-rw-r--r--libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsEscCharsetProber.cpp101
1 files changed, 101 insertions, 0 deletions
diff --git a/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsEscCharsetProber.cpp b/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsEscCharsetProber.cpp
new file mode 100644
index 0000000..464c753
--- /dev/null
+++ b/libcharsetdetect/mozilla/extensions/universalchardet/src/base/nsEscCharsetProber.cpp
@@ -0,0 +1,101 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+
+#include "nsEscCharsetProber.h"
+#include "nsUniversalDetector.h"
+
+nsEscCharSetProber::nsEscCharSetProber(PRUint32 aLanguageFilter)
+{
+ for (PRUint32 i = 0; i < NUM_OF_ESC_CHARSETS; i++)
+ mCodingSM[i] = nsnull;
+ if (aLanguageFilter & NS_FILTER_CHINESE_SIMPLIFIED)
+ {
+ mCodingSM[0] = new nsCodingStateMachine(&HZSMModel);
+ mCodingSM[1] = new nsCodingStateMachine(&ISO2022CNSMModel);
+ }
+ if (aLanguageFilter & NS_FILTER_JAPANESE)
+ mCodingSM[2] = new nsCodingStateMachine(&ISO2022JPSMModel);
+ if (aLanguageFilter & NS_FILTER_KOREAN)
+ mCodingSM[3] = new nsCodingStateMachine(&ISO2022KRSMModel);
+ mActiveSM = NUM_OF_ESC_CHARSETS;
+ mState = eDetecting;
+ mDetectedCharset = nsnull;
+}
+
+nsEscCharSetProber::~nsEscCharSetProber(void)
+{
+ for (PRUint32 i = 0; i < NUM_OF_ESC_CHARSETS; i++)
+ delete mCodingSM[i];
+}
+
+void nsEscCharSetProber::Reset(void)
+{
+ mState = eDetecting;
+ for (PRUint32 i = 0; i < NUM_OF_ESC_CHARSETS; i++)
+ if (mCodingSM[i])
+ mCodingSM[i]->Reset();
+ mActiveSM = NUM_OF_ESC_CHARSETS;
+ mDetectedCharset = nsnull;
+}
+
+nsProbingState nsEscCharSetProber::HandleData(const char* aBuf, PRUint32 aLen)
+{
+ nsSMState codingState;
+ PRInt32 j;
+ PRUint32 i;
+
+ for ( i = 0; i < aLen && mState == eDetecting; i++)
+ {
+ for (j = mActiveSM-1; j>= 0; j--)
+ {
+ if (mCodingSM[j])
+ {
+ codingState = mCodingSM[j]->NextState(aBuf[i]);
+ if (codingState == eItsMe)
+ {
+ mState = eFoundIt;
+ mDetectedCharset = mCodingSM[j]->GetCodingStateMachine();
+ return mState;
+ }
+ }
+ }
+ }
+
+ return mState;
+}
+