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author | FreeArtMan <dos21h@gmail.com> | 2015-02-17 20:00:33 +0900 |
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committer | FreeArtMan <dos21h@gmail.com> | 2015-02-17 20:00:33 +0900 |
commit | 670e03997afca107abbfc61a61f89477a9f9ab82 (patch) | |
tree | dc6b31a985104ef1180859780379408e1abdb215 /c_conf_gen | |
parent | 35a421a727841319d5a998806924205ec6663bc2 (diff) | |
download | code-snippets-670e03997afca107abbfc61a61f89477a9f9ab82.tar.gz code-snippets-670e03997afca107abbfc61a61f89477a9f9ab82.zip |
c_conf_gen lua script that generates getopt code for fast argc,argv parsing. for lazy people
Diffstat (limited to 'c_conf_gen')
-rw-r--r-- | c_conf_gen/Makefile | 7 | ||||
-rw-r--r-- | c_conf_gen/cconfgen.lua | 70 | ||||
-rw-r--r-- | c_conf_gen/config/cs_config1.lua | 9 | ||||
-rw-r--r-- | c_conf_gen/config/cs_config2.lua | 33 | ||||
-rw-r--r-- | c_conf_gen/config/cs_config3.lua | 0 | ||||
-rw-r--r-- | c_conf_gen/consts.lua | 121 |
6 files changed, 240 insertions, 0 deletions
diff --git a/c_conf_gen/Makefile b/c_conf_gen/Makefile new file mode 100644 index 0000000..09232e0 --- /dev/null +++ b/c_conf_gen/Makefile @@ -0,0 +1,7 @@ +LUA=/home/fam/downloads/source/lua/lua-5.3.0/src/lua + +make: + @$(LUA) cconfgen.lua + +test: + @$(LUA) cconfgen.lua -c config/cs_config2 -o config/cs_config2
\ No newline at end of file diff --git a/c_conf_gen/cconfgen.lua b/c_conf_gen/cconfgen.lua new file mode 100644 index 0000000..8fcd27c --- /dev/null +++ b/c_conf_gen/cconfgen.lua @@ -0,0 +1,70 @@ +#!/usr/bin/lua + +TYPE_INT = 1 +TYPE_STR = 2 +TYPE_FILE = 3 + +consts = require('consts') + +debug_mode = false + +--check if version is supported +--why 5.3? utf8 and 64bit support +if (_VERSION ~= "Lua 5.3" ) then + print "Wrong lua versions" + print "Supported 5.3 only" + os.exit(1) +end + +config_file = nil +output_file = nil +for k,v in ipairs( arg ) do + if v == "-c" then + config_file = arg[k+1] + elseif v == "-o" then + output_file = arg[k+1] + end +end +if (config_file == nil) or (output_file == nil) then + print("I need at leas one argument") + os.exit(1) +end + +print("Config file " .. config_file .. " loaded") + +cfg = require( config_file ) +of = io.open( output_file .. ".c", "w" ) + +of:write( consts.implement_start( output_file .. ".h" ) ) + +--generate list of params +local getopt_p = "" +for k,v in ipairs( cfg.params_list ) do + if v ~= nil then + getopt_p = getopt_p .. v.shortopt + end +end +of:write( consts.getopt_start( getopt_p ) ) + +for k,v in ipairs( cfg.params_list ) do + if v.type == TYPE_INT then + of:write( consts.getopt_int( v ) ) + elseif v.type == TYPE_STR then + of:write( consts.getopt_string( v )) + elseif v.type == TYPE_FILE then + of:write( consts.getopt_file( v )) + end +end + +of:write( consts.getopt_end() ) + +of:write( consts.implement_end() ) + +of:close() + +hf = io.open( output_file .. ".h", "w") +hf:write( consts.header_def_start( string.upper( cfg.project_name ) ) ) +hf:write( consts.header_def_end( ) ) +hf:close() + + diff --git a/c_conf_gen/config/cs_config1.lua b/c_conf_gen/config/cs_config1.lua new file mode 100644 index 0000000..3069bd3 --- /dev/null +++ b/c_conf_gen/config/cs_config1.lua @@ -0,0 +1,9 @@ +--config for empty config parsing file + +local M = {} + +M.project_name = "HelloWorld" +M.params_list = nil + + +return M
\ No newline at end of file diff --git a/c_conf_gen/config/cs_config2.lua b/c_conf_gen/config/cs_config2.lua new file mode 100644 index 0000000..9646834 --- /dev/null +++ b/c_conf_gen/config/cs_config2.lua @@ -0,0 +1,33 @@ +--config for empty config parsing file + +TYPE_INT = 1 +TYPE_STR = 2 +TYPE_FILE = 3 + +local M = {} + +M.project_name = "INT_STR_FILE" +M.params_list = {} + +param1 = { + type = TYPE_INT, + name = "number", + shortopt = "i:" +} +M.params_list[1] = param1 + +param2 = { + type = TYPE_STR, + name = "username", + shortopt = "s:" +} +M.params_list[2] = param2 + +param3 = { + type = TYPE_FILE, + name = "configfile", + shortopt = "f:" +} +M.params_list[3] = param3 + +return M
\ No newline at end of file diff --git a/c_conf_gen/config/cs_config3.lua b/c_conf_gen/config/cs_config3.lua new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/c_conf_gen/config/cs_config3.lua 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 |