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-rw-r--r--umbrello/umbrello/codeimport/kdevcppparser/lookup.cpp113
1 files changed, 113 insertions, 0 deletions
diff --git a/umbrello/umbrello/codeimport/kdevcppparser/lookup.cpp b/umbrello/umbrello/codeimport/kdevcppparser/lookup.cpp
new file mode 100644
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+++ b/umbrello/umbrello/codeimport/kdevcppparser/lookup.cpp
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+// -*- c-basic-offset: 2 -*-
+/*
+ * This file is part of the KDE libraries
+ * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+// adapted to kdevelop by Roberto Raggi <roberto@kdevelop.org>
+
+#include "lookup.h"
+
+#include <kdebug.h>
+
+#include <stdio.h>
+#include <string.h>
+
+const HashEntry* Lookup::findEntry( const struct HashTable *table,
+ const QChar *c, unsigned int len )
+{
+ if (table->type != 2) {
+ kdDebug() << "KJS: Unknown hash table version" << endl;
+ return 0;
+ }
+ char *ascii = new char[len+1];
+ unsigned int i;
+ for(i = 0; i < len; i++, c++) {
+ if (!c->row())
+ ascii[i] = c->cell();
+ else
+ break;
+ }
+ ascii[i] = '\0';
+
+ int h = hash(ascii) % table->hashSize;
+ const HashEntry *e = &table->entries[h];
+
+ // empty bucket ?
+ if (!e->s) {
+ delete [] ascii;
+ return 0;
+ }
+
+ do {
+ // compare strings
+ if (strcmp(ascii, e->s) == 0) {
+ delete [] ascii;
+ return e;
+ }
+ // try next bucket
+ e = e->next;
+ } while (e);
+
+ delete [] ascii;
+ return 0;
+}
+
+const HashEntry* Lookup::findEntry( const struct HashTable *table,
+ const QString &s )
+{
+ return findEntry( table, s.unicode(), s.length() );
+}
+
+int Lookup::find(const struct HashTable *table,
+ const QChar *c, unsigned int len)
+{
+ const HashEntry *entry = findEntry( table, c, len );
+ if (entry)
+ return entry->value;
+ return -1;
+}
+
+int Lookup::find(const struct HashTable *table, const QString &s)
+{
+ return find(table, s.unicode(), s.length());
+}
+
+unsigned int Lookup::hash(const QChar *c, unsigned int len)
+{
+ unsigned int val = 0;
+ // ignoring rower byte
+ for (unsigned int i = 0; i < len; i++, c++)
+ val += c->cell();
+
+ return val;
+}
+
+unsigned int Lookup::hash(const QString &key)
+{
+ return hash(key.unicode(), key.length());
+}
+
+unsigned int Lookup::hash(const char *s)
+{
+ unsigned int val = 0;
+ while (*s)
+ val += *s++;
+
+ return val;
+}