Nanocat the command-line interface for nanomsg

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/tools/options.h b/tools/options.h
new file mode 100644
index 0000000..ca148c4
--- /dev/null
+++ b/tools/options.h
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+/*
+    Copyright (c) 2013 Insollo Entertainment, LLC.  All rights reserved.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom
+    the Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included
+    in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+    IN THE SOFTWARE.
+*/
+
+#ifndef NN_OPTIONS_HEADER
+#define NN_OPTIONS_HEADER
+
+enum nn_option_type {
+    NN_OPT_HELP,
+    NN_OPT_INT,
+    NN_OPT_INCREMENT,
+    NN_OPT_DECREMENT,
+    NN_OPT_ENUM,
+    NN_OPT_SET_ENUM,
+    NN_OPT_STRING,
+    NN_OPT_BLOB,
+    NN_OPT_FLOAT,
+    NN_OPT_LIST_APPEND,
+    NN_OPT_LIST_APPEND_FMT,
+    NN_OPT_READ_FILE
+};
+
+struct nn_option {
+    /*  Option names  */
+    char *longname;
+    char shortname;
+    char *arg0name;
+
+    /*  Parsing specification  */
+    enum nn_option_type type;
+    int offset;  /*  offsetof() where to store the value  */
+    const void *pointer;  /*  type specific pointer  */
+
+    /*  Conflict mask for options  */
+    unsigned long mask_set;
+    unsigned long conflicts_mask;
+    unsigned long requires_mask;
+
+    /*  Group and description for --help  */
+    char *group;
+    char *metavar;
+    char *description;
+};
+
+struct nn_commandline {
+    char *short_description;
+    char *long_description;
+    struct nn_option *options;
+    int required_options;
+};
+
+struct nn_enum_item {
+    char *name;
+    int value;
+};
+
+struct nn_string_list {
+    char **items;
+    int num;
+};
+
+struct nn_blob {
+    char *data;
+    int length;
+};
+
+
+void nn_parse_options (struct nn_commandline *cline,
+                      void *target, int argc, char **argv);
+
+
+#endif  /* NN_OPTIONS_HEADER */