1 files changed, 69 insertions, 0 deletions
diff --git a/sql/gstream.h b/sql/gstream.h
new file mode 100644
index 00000000000..a3914a534dd
--- /dev/null
+++ b/sql/gstream.h
@@ -0,0 +1,69 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+
+class GTextReadStream
+{
+public:
+  enum TokTypes
+  {
+    unknown,
+    eostream,
+    word,
+    numeric,
+    l_bra,
+    r_bra,
+    comma
+  };
+
+  GTextReadStream(const char *buffer, int size)
+    :m_cur(buffer), m_limit(buffer + size), m_last_text_position(buffer),
+    m_err_msg(NULL)
+  {}
+  GTextReadStream(): m_cur(NULL), m_limit(NULL), m_err_msg(NULL)
+  {}
+
+  ~GTextReadStream()
+  {
+    my_free(m_err_msg, MYF(MY_ALLOW_ZERO_PTR));
+  }
+
+  int get_next_toc_type() const;
+  const char *get_next_word(int *word_len);
+  int get_next_number(double *d);
+  char get_next_symbol();
+
+  const char *get_last_text_position() const
+  {
+    return m_last_text_position;
+  }
+
+  void set_error_msg(const char *msg);
+
+  // caller should free this pointer
+  char *get_error_msg()
+  {
+    char *err_msg = m_err_msg;
+    m_err_msg = NULL;
+    return err_msg;
+  }
+
+protected:
+  const char *m_cur;
+  const char *m_limit;
+  const char *m_last_text_position;
+  char *m_err_msg;
+};