c_conf_gen lua script that generates getopt code for fast argc,argv parsing. for lazy people

1 files changed, 121 insertions, 0 deletions

diff --git a/c_conf_gen/consts.lua b/c_conf_gen/consts.lua
new file mode 100644
index 0000000..87e183a
--- /dev/null
+++ b/c_conf_gen/consts.lua
@@ -0,0 +1,121 @@
+local M = {}
+
+--
+local function header_def_start( name )
+	local s = ""
+	local name = string.upper( name )
+	s = s .. "#ifndef __" .. name .. "_H\n"
+	s = s .. "#define __" .. name .. "_H\n"
+	s = s .. "#include <unistd.h>\n"
+	s = s .. "void parse_args( int argc, char **argv, cmd_config *cmd );"
+	return s
+end
+M.header_def_start = header_def_start
+
+
+--
+local function header_def_end( )
+	local s = ""
+	s = s .. [[
+
+#endif
+]]
+	return s
+end
+M.header_def_end = header_def_end
+
+local function implement_start( headername )
+	local s = ""
+	s = s .. [[//auto-generated file no meaning to edit it
+#include "]].. headername .. [["
+]]
+	return s
+end
+M.implement_start = implement_start
+
+local function implement_end()
+	local s = ""
+	return s
+end
+M.implement_end = implement_end
+
+local function config_structure( values )
+	local s = ""
+	return s
+end
+M.config_structure = config_structure
+
+--make as separete function
+--just to make it easy to generate and then embed in code
+-- to not make name coalisions
+local function getopt_start( sup_args )
+	local s = ""
+	if sup_args == nil then
+		sup_args = "\"\""
+	end
+	s = s .. [[ void parse_args( int argc, char **argv, cmd_config *cmd )
+{
+	int c;
+	char *cvalue;
+
+	while ( (c = getopt(argc, argv, "]] .. sup_args .. [[" )) != -1 )
+		switch ( c )
+		{
+]]
+	return s
+end
+M.getopt_start = getopt_start
+
+local function getopt_end()
+	local s = ""
+	s = s .. [[
+		default:
+			printf("Unknown option\n");
+		}
+}
+]]
+	return s
+end
+M.getopt_end = getopt_end
+
+--
+local function getopt_int( param_config )
+	local s = ""
+	s = s .. [[
+		case ']] .. param_config.shortopt .. [[':{
+			]] .. param_config.name .. [[ = atoi( optarg );
+		}
+]]
+	return s
+end
+M.getopt_int = getopt_int
+
+
+--
+local function getopt_string( param_config  )
+	local s = ""
+	s = s .. [[
+		case ']] .. param_config.shortopt .. [[':{
+			]] .. param_config.name .. [[ = atoi( optarg );
+		}
+]]
+	return s
+end
+M.getopt_string = getopt_string
+
+
+--
+local function getopt_file( param_config  )
+	local s = ""
+	s = s .. [[
+		case ']] .. param_config.shortopt .. [[':{
+			]] .. param_config.name .. [[ = atoi( optarg );
+		}
+]]
+	return s
+end
+M.getopt_file = getopt_file
+
+
+print("cconsts module loaded")
+return M
\ No newline at end of file