file(s) added by xpdf 1.01.

[swftools.git] / pdf2swf / xpdf / GHash.h

diff --git a/pdf2swf/xpdf/GHash.h b/pdf2swf/xpdf/GHash.h
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+++ b/pdf2swf/xpdf/GHash.h
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+//========================================================================
+//
+// GHash.h
+//
+// Copyright 2001-2002 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef GHASH_H
+#define GHASH_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "gtypes.h"
+
+class GString;
+struct GHashBucket;
+struct GHashIter;
+
+//------------------------------------------------------------------------
+
+class GHash {
+public:
+
+  GHash(GBool deleteKeysA = gFalse);
+  ~GHash();
+  void add(GString *key, void *val);
+  void *lookup(GString *key);
+  void *lookup(char *key);
+  void *remove(GString *key);
+  void *remove(char *key);
+  int getLength() { return len; }
+  void startIter(GHashIter **iter);
+  GBool getNext(GHashIter **iter, GString **key, void **val);
+  void killIter(GHashIter **iter);
+
+private:
+
+  GHashBucket *find(GString *key, int *h);
+  GHashBucket *find(char *key, int *h);
+  int hash(GString *key);
+  int hash(char *key);
+
+  GBool deleteKeys;            // set if key strings should be deleted
+  int size;                    // number of buckets
+  int len;                     // number of entries
+  GHashBucket **tab;
+};
+
+#define deleteGHash(hash, T)                       \
+  do {                                             \
+    GHash *_hash = (hash);                         \
+    {                                              \
+      GHashIter *_iter;                            \
+      GString *_key;                               \
+      void *_p;                                    \
+      _hash->startIter(&_iter);                    \
+      while (_hash->getNext(&_iter, &_key, &_p)) { \
+        delete (T*)_p;                             \
+      }                                            \
+      delete _hash;                                \
+    }                                              \
+  } while(0)
+
+#endif