1 files changed, 159 insertions, 0 deletions

diff --git a/src/wordsplit.h b/src/wordsplit.h
new file mode 100644
index 0000000..35e125a
--- /dev/null
+++ b/src/wordsplit.h
@@ -0,0 +1,159 @@
+/* wordsplit - a word splitter
+   Copyright (C) 2009-2012 Sergey Poznyakoff
+
+   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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#ifndef __WORDSPLIT_H
+#define __WORDSPLIT_H
+
+#include <stddef.h>
+
+struct wordsplit
+{
+  size_t ws_wordc;
+  char **ws_wordv;
+  size_t ws_offs;
+  size_t ws_wordn;
+  int ws_flags;
+  const char *ws_delim;
+  const char *ws_comment;
+  const char *ws_escape;
+  void (*ws_alloc_die) (struct wordsplit * wsp);
+  void (*ws_error) (const char *, ...)
+                   __attribute__ ((__format__ (__printf__, 1, 2)));
+  void (*ws_debug) (const char *, ...)
+                   __attribute__ ((__format__ (__printf__, 1, 2)));
+
+  const char **ws_env;
+  const char *(*ws_getvar) (const char *, size_t, void *);
+  void *ws_closure;
+
+  const char *ws_input;
+  size_t ws_len;
+  size_t ws_endp;
+  int ws_errno;
+  struct wordsplit_node *ws_head, *ws_tail;
+};
+
+/* Wordsplit flags.  Only 2 bits of a 32-bit word remain unused.
+   It is getting crowded... */
+/* Append the words found to the array resulting from a previous
+   call. */
+#define WRDSF_APPEND            0x00000001
+/* Insert we_offs initial NULLs in the array ws_wordv.
+   (These are not counted in the returned ws_wordc.) */
+#define WRDSF_DOOFFS            0x00000002
+/* Don't do command substitution. Reserved for future use. */
+#define WRDSF_NOCMD             0x00000004
+/* The parameter p resulted from a previous call to
+   wordsplit(), and wordsplit_free() was not called. Reuse the
+   allocated storage. */
+#define WRDSF_REUSE             0x00000008
+/* Print errors */
+#define WRDSF_SHOWERR           0x00000010
+/* Consider it an error if an undefined shell variable
+   is expanded. */
+#define WRDSF_UNDEF             0x00000020
+
+/* Don't do variable expansion. */
+#define WRDSF_NOVAR             0x00000040
+/* Abort on ENOMEM error */
+#define WRDSF_ENOMEMABRT        0x00000080
+/* Trim off any leading and trailind whitespace */
+#define WRDSF_WS                0x00000100
+/* Handle single quotes */
+#define WRDSF_SQUOTE            0x00000200
+/* Handle double quotes */
+#define WRDSF_DQUOTE            0x00000400
+/* Handle quotes and escape directives */
+#define WRDSF_QUOTE             (WRDSF_SQUOTE|WRDSF_DQUOTE)
+/* Replace each input sequence of repeated delimiters with a single
+   delimiter */
+#define WRDSF_SQUEEZE_DELIMS    0x00000800
+/* Return delimiters */
+#define WRDSF_RETURN_DELIMS     0x00001000
+/* Treat sed expressions as words */
+#define WRDSF_SED_EXPR          0x00002000
+/* ws_delim field is initialized */
+#define WRDSF_DELIM             0x00004000
+/* ws_comment field is initialized */
+#define WRDSF_COMMENT           0x00008000
+/* ws_alloc_die field is initialized */
+#define WRDSF_ALLOC_DIE         0x00010000
+/* ws_error field is initialized */
+#define WRDSF_ERROR             0x00020000
+/* ws_debug field is initialized */
+#define WRDSF_DEBUG             0x00040000
+/* ws_env field is initialized */
+#define WRDSF_ENV               0x00080000
+/* ws_getvar field is initialized */
+#define WRDSF_GETVAR            0x00100000
+/* enable debugging */
+#define WRDSF_SHOWDBG           0x00200000
+/* Don't split input into words.  Useful for side effects. */
+#define WRDSF_NOSPLIT           0x00400000
+/* Keep undefined variables in place, instead of expanding them to
+   empty string */
+#define WRDSF_KEEPUNDEF         0x00800000
+/* Warn about undefined variables */
+#define WRDSF_WARNUNDEF         0x01000000
+/* Handle C escapes */
+#define WRDSF_CESCAPES          0x02000000
+
+/* ws_closure is set */
+#define WRDSF_CLOSURE           0x04000000
+/* ws_env is a Key/Value environment, i.e. the value of a variable is
+   stored in the element that follows its name. */
+#define WRDSF_ENV_KV            0x08000000
+
+/* ws_escape is set */
+#define WRDSF_ESCAPE            0x10000000
+
+/* Incremental mode */
+#define WRDSF_INCREMENTAL       0x20000000
+
+#define WRDSF_DEFFLAGS         \
+  (WRDSF_NOVAR | WRDSF_NOCMD | \
+   WRDSF_QUOTE | WRDSF_SQUEEZE_DELIMS | WRDSF_CESCAPES)
+
+#define WRDSE_EOF        0
+#define WRDSE_QUOTE      1
+#define WRDSE_NOSPACE    2
+#define WRDSE_NOSUPP     3
+#define WRDSE_USAGE      4
+#define WRDSE_CBRACE     5
+#define WRDSE_UNDEF      6
+#define WRDSE_NOINPUT    7
+
+int wordsplit (const char *s, struct wordsplit *p, int flags);
+int wordsplit_len (const char *s, size_t len,
+                      struct wordsplit *p, int flags);
+void wordsplit_free (struct wordsplit *p);
+void wordsplit_free_words (struct wordsplit *ws);
+
+int wordsplit_c_unquote_char (int c);
+int wordsplit_c_quote_char (int c);
+size_t wordsplit_c_quoted_length (const char *str, int quote_hex,
+                                  int *quote);
+void wordsplit_general_unquote_copy (char *dst, const char *src, size_t n,
+                                     const char *escapable);
+void wordsplit_sh_unquote_copy (char *dst, const char *src, size_t n);
+void wordsplit_c_unquote_copy (char *dst, const char *src, size_t n);
+void wordsplit_c_quote_copy (char *dst, const char *src, int quote_hex);
+
+void wordsplit_perror (struct wordsplit *ws);
+const char *wordsplit_strerror (struct wordsplit *ws);
+
+
+#endif