1 files changed, 94 insertions, 0 deletions
diff --git a/include/haproxy/arg.h b/include/haproxy/arg.h
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+++ b/include/haproxy/arg.h
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+/*
+ * include/haproxy/arg.h
+ * This file contains functions and macros declarations for generic argument parsing.
+ *
+ * Copyright 2012 Willy Tarreau <w@1wt.eu>
+ *
+ * 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, version 2.1
+ * exclusively.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _HAPROXY_ARG_H
+#define _HAPROXY_ARG_H
+
+#include <haproxy/arg-t.h>
+
+/* Some macros used to build some arg list. We can declare various argument
+ * combinations from 0 to 7 args using a single 32-bit integer. The first
+ * argument of these macros is always the mandatory number of arguments, and
+ * remaining ones are optional args. Note: ARGM() may also be used to return
+ * the number of mandatory arguments in a mask.
+ */
+#define ARGM(m) \
+	(uint64_t)(m & ARGM_MASK)
+
+#define ARG1(m, t1) \
+	(ARGM(m) + ((uint64_t)ARGT_##t1 << (ARGM_BITS)))
+
+#define ARG2(m, t1, t2) \
+	(ARG1(m, t1) + ((uint64_t)ARGT_##t2 << (ARGM_BITS + ARGT_BITS)))
+
+#define ARG3(m, t1, t2, t3) \
+	(ARG2(m, t1, t2) + ((uint64_t)ARGT_##t3 << (ARGM_BITS + ARGT_BITS * 2)))
+
+#define ARG4(m, t1, t2, t3, t4) \
+	(ARG3(m, t1, t2, t3) + ((uint64_t)ARGT_##t4 << (ARGM_BITS + ARGT_BITS * 3)))
+
+#define ARG5(m, t1, t2, t3, t4, t5) \
+	(ARG4(m, t1, t2, t3, t4) + ((uint64_t)ARGT_##t5 << (ARGM_BITS + ARGT_BITS * 4)))
+
+#define ARG6(m, t1, t2, t3, t4, t5, t6) \
+	(ARG5(m, t1, t2, t3, t4, t5) + ((uint64_t)ARGT_##t6 << (ARGM_BITS + ARGT_BITS * 5)))
+
+#define ARG7(m, t1, t2, t3, t4, t5, t6, t7) \
+	(ARG6(m, t1, t2, t3, t4, t5, t6) + ((uint64_t)ARGT_##t7 << (ARGM_BITS + ARGT_BITS * 6)))
+
+#define ARG8(m, t1, t2, t3, t4, t5, t6, t7, t8) \
+	(ARG7(m, t1, t2, t3, t4, t5, t6, t7) + ((uint64_t)ARGT_##t8 << (ARGM_BITS + ARGT_BITS * 7)))
+
+#define ARG9(m, t1, t2, t3, t4, t5, t6, t7, t8, t9) \
+	(ARG8(m, t1, t2, t3, t4, t5, t6, t7, t8) + ((uint64_t)ARGT_##t9 << (ARGM_BITS + ARGT_BITS * 8)))
+
+#define ARG10(m, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10) \
+	(ARG9(m, t1, t2, t3, t4, t5, t6, t7, t8, t9) + ((uint64_t)ARGT_##t10 << (ARGM_BITS + ARGT_BITS * 9)))
+
+#define ARG11(m, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11) \
+	(ARG10(m, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10) + ((uint64_t)ARGT_##t11 << (ARGM_BITS + ARGT_BITS * 10)))
+
+#define ARG12(m, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12) \
+	(ARG11(m, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11) + ((uint64_t)ARGT_##t12 << (ARGM_BITS + ARGT_BITS * 11)))
+
+/* Mapping between argument number and literal description. */
+extern const char *arg_type_names[];
+
+/* This dummy arg list may be used by default when no arg is found, it helps
+ * parsers by removing pointer checks.
+ */
+extern struct arg empty_arg_list[ARGM_NBARGS];
+
+struct arg_list *arg_list_clone(const struct arg_list *orig);
+struct arg_list *arg_list_add(struct arg_list *orig, struct arg *arg, int pos);
+int make_arg_list(const char *in, int len, uint64_t mask, struct arg **argp,
+                  char **err_msg, const char **end_ptr, int *err_arg,
+                  struct arg_list *al);
+struct arg *free_args(struct arg *args);
+
+#endif /* _HAPROXY_ARG_H */
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ */