Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 122 insertions, 0 deletions

diff --git a/khtml/misc/guess_ja.h b/khtml/misc/guess_ja.h
new file mode 100644
index 000000000..9dee907e6
--- /dev/null
+++ b/khtml/misc/guess_ja.h
@@ -0,0 +1,122 @@
+/*
+ * This file is part of the KDE libraries
+ *
+ * Copyright (c) 2000-2003 Shiro Kawai, All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *  3. Neither the name of the authors nor the names of its contributors
+ *     may be used to endorse or promote products derived from this
+ *     software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+/*
+ * original code is here.
+ * http://cvs.sourceforge.net/viewcvs.py/gauche/Gauche/ext/charconv/guess.c?view=markup
+ */
+#ifndef GUESS_JA_H
+#define GUESS_JA_H
+
+namespace khtml {
+    class guess_arc {
+    public:
+        unsigned int next;          /* next state */
+        double score;               /* score */
+    };
+}
+
+using namespace khtml;
+
+typedef signed char dfa_table[256];
+
+/* DFA tables declared in guess_ja.cpp */
+extern const dfa_table guess_eucj_st[];
+extern guess_arc guess_eucj_ar[7];
+extern const dfa_table guess_sjis_st[];
+extern guess_arc guess_sjis_ar[6];
+extern const dfa_table guess_utf8_st[];
+extern guess_arc guess_utf8_ar[11];
+
+namespace khtml {
+
+    class guess_dfa {
+    public:
+        const dfa_table *states;
+        const guess_arc *arcs;
+        int state;
+        double score;
+
+        guess_dfa (const dfa_table stable[], const guess_arc *atable) :
+            states(stable), arcs(atable)
+        {
+            state = 0;
+            score = 1.0;
+        }
+    };
+
+    class JapaneseCode
+    {
+    public:
+        enum Type {ASCII, JIS, EUC, SJIS, UNICODE, UTF8 };
+        enum Type guess_jp(const char* buf, int buflen);
+
+        JapaneseCode () {
+            eucj = new guess_dfa(guess_eucj_st, guess_eucj_ar);
+            sjis = new guess_dfa(guess_sjis_st, guess_sjis_ar);
+            utf8 = new guess_dfa(guess_utf8_st, guess_utf8_ar);
+            last_JIS_escape = false;
+        }
+
+        ~JapaneseCode () {
+            if (eucj) delete eucj;
+            if (sjis) delete sjis;
+            if (utf8) delete utf8;
+        }
+
+    protected:
+        guess_dfa *eucj;
+        guess_dfa *sjis;
+        guess_dfa *utf8;
+
+        bool last_JIS_escape;
+    };
+}
+
+#define DFA_NEXT(dfa, ch)                               \
+    do {                                                \
+        int arc__;                                      \
+        if (dfa->state >= 0) {                          \
+            arc__ = dfa->states[dfa->state][ch];        \
+            if (arc__ < 0) {                            \
+                dfa->state = -1;                        \
+            } else {                                    \
+                dfa->state = dfa->arcs[arc__].next;     \
+                dfa->score *= dfa->arcs[arc__].score;   \
+            }                                           \
+        }                                               \
+    } while (0)
+
+#define DFA_ALIVE(dfa)  (dfa->state >= 0)
+
+#endif  /* GUESS_JA_H */