use gen get opts for parsing MainNoGui command line, this doesn't do much yet

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@472 8ced0084-cf51-0410-be5f-012b33b47a6e

5 files changed, 543 insertions, 11 deletions

diff --git a/Source/Core/DolphinWX/src/MainNoGUI.cpp b/Source/Core/DolphinWX/src/MainNoGUI.cpp
index 917e51ee35..2389cf017d 100644
--- a/Source/Core/DolphinWX/src/MainNoGUI.cpp
+++ b/Source/Core/DolphinWX/src/MainNoGUI.cpp
@@ -59,23 +59,31 @@ void Host_UpdateStatusBar(const char* _pText){}
 
 // Include SDL header so it can hijack main().
 #include <SDL.h>
+#include "cmdline.h"
 
 int main(int argc, char* argv[])
 {
-	if (argc != 2)
-	{
-		puts("Please supply at least one argument - the ISO to boot.\n");
-		return(1);
-	}
-	std::string bootFile(argv[1]);
-
-	DetectCPU();
-	BootManager::BootCore(bootFile);
-	usleep(2000 * 1000 * 1000);
+  gengetopt_args_info args_info;
+     
+  if (cmdline_parser (argc, argv, &args_info) != 0)
+    return(1);
+  
+  if (args_info.inputs_num < 1)
+    {
+      fprintf(stderr, "Please supply at least one argument - the ISO to boot.\n");
+      return(1);
+    }
+  std::string bootFile(args_info.inputs[0]);
+
+  DetectCPU();
+  BootManager::BootCore(bootFile);
+  usleep(2000 * 1000 * 1000);
 //	while (!getch()) {
 	//	usleep(20);
 //	}
-	return(0);
+
+  cmdline_parser_free (&args_info);
+  return(0);
 }
 
 
diff --git a/Source/Core/DolphinWX/src/Params.ggo b/Source/Core/DolphinWX/src/Params.ggo
new file mode 100644
index 0000000000..2cf3dc6c3f
--- /dev/null
+++ b/Source/Core/DolphinWX/src/Params.ggo
@@ -0,0 +1,6 @@
+package "Dolphin"
+version "SVN"
+purpose "A multi platform gamecube/wii emulator"
+
+option "debug"  d  "enable debug"  flag  off  
+
diff --git a/Source/Core/DolphinWX/src/SConscript b/Source/Core/DolphinWX/src/SConscript
index 4b86410a15..7fe12189a8 100644
--- a/Source/Core/DolphinWX/src/SConscript
+++ b/Source/Core/DolphinWX/src/SConscript
@@ -14,6 +14,7 @@ files = [
 	'PluginManager.cpp',
 	'PluginOptions.cpp',
 	'stdafx.cpp',
+        'cmdline.c',
 	]
 libs = [
 	'debwx', 'core', 'discio', 'bdisasm', 'videocommon', 'common', 'z'
diff --git a/Source/Core/DolphinWX/src/cmdline.c b/Source/Core/DolphinWX/src/cmdline.c
new file mode 100644
index 0000000000..a72c623ed5
--- /dev/null
+++ b/Source/Core/DolphinWX/src/cmdline.c
@@ -0,0 +1,365 @@
+/*
+  File autogenerated by gengetopt version 2.21
+  generated with the following command:
+  gengetopt --unamed-opt=ISOFILE -i Params.ggo 
+
+  The developers of gengetopt consider the fixed text that goes in all
+  gengetopt output files to be in the public domain:
+  we make no copyright claims on it.
+*/
+
+/* If we use autoconf.  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "getopt.h"
+
+#include "cmdline.h"
+
+const char *gengetopt_args_info_purpose = "A multi platform gamecube/wii emulator";
+
+const char *gengetopt_args_info_usage = "Usage: Dolphin [OPTIONS]... [ISOFILE]...";
+
+const char *gengetopt_args_info_description = "";
+
+const char *gengetopt_args_info_help[] = {
+  "  -h, --help     Print help and exit",
+  "  -V, --version  Print version and exit",
+  "  -d, --debug    enable debug  (default=off)",
+    0
+};
+
+static
+void clear_given (struct gengetopt_args_info *args_info);
+static
+void clear_args (struct gengetopt_args_info *args_info);
+
+static int
+cmdline_parser_internal (int argc, char * const *argv, struct gengetopt_args_info *args_info,
+                        struct cmdline_parser_params *params, const char *additional_error);
+
+
+static char *
+gengetopt_strdup (const char *s);
+
+static
+void clear_given (struct gengetopt_args_info *args_info)
+{
+  args_info->help_given = 0 ;
+  args_info->version_given = 0 ;
+  args_info->debug_given = 0 ;
+}
+
+static
+void clear_args (struct gengetopt_args_info *args_info)
+{
+  args_info->debug_flag = 0;
+  
+}
+
+static
+void init_args_info(struct gengetopt_args_info *args_info)
+{
+  args_info->help_help = gengetopt_args_info_help[0] ;
+  args_info->version_help = gengetopt_args_info_help[1] ;
+  args_info->debug_help = gengetopt_args_info_help[2] ;
+  
+}
+
+void
+cmdline_parser_print_version (void)
+{
+  printf ("%s %s\n", CMDLINE_PARSER_PACKAGE, CMDLINE_PARSER_VERSION);
+}
+
+void
+cmdline_parser_print_help (void)
+{
+  int i = 0;
+  cmdline_parser_print_version ();
+
+  if (strlen(gengetopt_args_info_purpose) > 0)
+    printf("\n%s\n", gengetopt_args_info_purpose);
+
+  printf("\n%s\n\n", gengetopt_args_info_usage);
+
+  if (strlen(gengetopt_args_info_description) > 0)
+    printf("%s\n", gengetopt_args_info_description);
+
+  while (gengetopt_args_info_help[i])
+    printf("%s\n", gengetopt_args_info_help[i++]);
+}
+
+void
+cmdline_parser_init (struct gengetopt_args_info *args_info)
+{
+  clear_given (args_info);
+  clear_args (args_info);
+  init_args_info (args_info);
+
+  args_info->inputs = NULL;
+  args_info->inputs_num = 0;
+}
+
+struct cmdline_parser_params *
+cmdline_parser_params_init()
+{
+  struct cmdline_parser_params *params = 
+    (struct cmdline_parser_params *)malloc(sizeof(struct cmdline_parser_params));
+
+  if (params)
+    { 
+      params->override = 0;
+      params->initialize = 0;
+      params->check_required = 0;
+      params->check_ambiguity = 0;
+    }
+    
+  return params;
+}
+
+static void
+cmdline_parser_release (struct gengetopt_args_info *args_info)
+{
+  
+  unsigned int i;
+  
+  for (i = 0; i < args_info->inputs_num; ++i)
+    free (args_info->inputs [i]);
+  
+  if (args_info->inputs_num)
+    free (args_info->inputs);
+  
+  clear_given (args_info);
+}
+
+int
+cmdline_parser_file_save(const char *filename, struct gengetopt_args_info *args_info)
+{
+  FILE *outfile;
+  int i = 0;
+
+  outfile = fopen(filename, "w");
+
+  if (!outfile)
+    {
+      fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
+      return EXIT_FAILURE;
+    }
+
+  if (args_info->help_given) {
+    fprintf(outfile, "%s\n", "help");
+  }
+  if (args_info->version_given) {
+    fprintf(outfile, "%s\n", "version");
+  }
+  if (args_info->debug_given) {
+    fprintf(outfile, "%s\n", "debug");
+  }
+  
+  fclose (outfile);
+
+  i = EXIT_SUCCESS;
+  return i;
+}
+
+void
+cmdline_parser_free (struct gengetopt_args_info *args_info)
+{
+  cmdline_parser_release (args_info);
+}
+
+
+/* gengetopt_strdup() */
+/* strdup.c replacement of strdup, which is not standard */
+char *
+gengetopt_strdup (const char *s)
+{
+  char *result = NULL;
+  if (!s)
+    return result;
+
+  result = (char*)malloc(strlen(s) + 1);
+  if (result == (char*)0)
+    return (char*)0;
+  strcpy(result, s);
+  return result;
+}
+
+int
+cmdline_parser (int argc, char * const *argv, struct gengetopt_args_info *args_info)
+{
+  return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
+}
+
+int
+cmdline_parser_ext (int argc, char * const *argv, struct gengetopt_args_info *args_info,
+                   struct cmdline_parser_params *params)
+{
+  int result;
+  result = cmdline_parser_internal (argc, argv, args_info, params, NULL);
+
+  if (result == EXIT_FAILURE)
+    {
+      cmdline_parser_free (args_info);
+      exit (EXIT_FAILURE);
+    }
+  
+  return result;
+}
+
+int
+cmdline_parser2 (int argc, char * const *argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required)
+{
+  int result;
+  struct cmdline_parser_params params;
+  
+  params.override = override;
+  params.initialize = initialize;
+  params.check_required = check_required;
+  params.check_ambiguity = 0;
+
+  result = cmdline_parser_internal (argc, argv, args_info, &params, NULL);
+
+  if (result == EXIT_FAILURE)
+    {
+      cmdline_parser_free (args_info);
+      exit (EXIT_FAILURE);
+    }
+  
+  return result;
+}
+
+int
+cmdline_parser_required (struct gengetopt_args_info *args_info, const char *prog_name)
+{
+  return EXIT_SUCCESS;
+}
+
+int
+cmdline_parser_internal (int argc, char * const *argv, struct gengetopt_args_info *args_info,
+                        struct cmdline_parser_params *params, const char *additional_error)
+{
+  int c;	/* Character of the parsed option.  */
+
+  int error = 0;
+  struct gengetopt_args_info local_args_info;
+  
+  int override;
+  int initialize;
+  int check_required;
+  int check_ambiguity;
+  
+  override = params->override;
+  initialize = params->initialize;
+  check_required = params->check_required;
+  check_ambiguity = params->check_ambiguity;
+
+  if (initialize)
+    cmdline_parser_init (args_info);
+
+  cmdline_parser_init (&local_args_info);
+
+  optarg = 0;
+  optind = 0;
+  opterr = 1;
+  optopt = '?';
+
+  while (1)
+    {
+      int option_index = 0;
+      char *stop_char;
+
+      static struct option long_options[] = {
+        { "help",	0, NULL, 'h' },
+        { "version",	0, NULL, 'V' },
+        { "debug",	0, NULL, 'd' },
+        { NULL,	0, NULL, 0 }
+      };
+
+      stop_char = 0;
+      c = getopt_long (argc, argv, "hVd", long_options, &option_index);
+
+      if (c == -1) break;	/* Exit from `while (1)' loop.  */
+
+      switch (c)
+        {
+        case 'h':	/* Print help and exit.  */
+          cmdline_parser_print_help ();
+          cmdline_parser_free (&local_args_info);
+          exit (EXIT_SUCCESS);
+
+        case 'V':	/* Print version and exit.  */
+          cmdline_parser_print_version ();
+          cmdline_parser_free (&local_args_info);
+          exit (EXIT_SUCCESS);
+
+        case 'd':	/* enable debug.  */
+          if (local_args_info.debug_given || (check_ambiguity && args_info->debug_given))
+            {
+              fprintf (stderr, "%s: `--debug' (`-d') option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
+              goto failure;
+            }
+          if (args_info->debug_given && ! override)
+            continue;
+          local_args_info.debug_given = 1;
+          args_info->debug_given = 1;
+          args_info->debug_flag = !(args_info->debug_flag);
+          break;
+
+
+        case 0:	/* Long option with no short option */
+        case '?':	/* Invalid option.  */
+          /* `getopt_long' already printed an error message.  */
+          goto failure;
+
+        default:	/* bug: option not considered.  */
+          fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
+          abort ();
+        } /* switch */
+    } /* while */
+
+
+
+
+  cmdline_parser_release (&local_args_info);
+
+  if ( error )
+    return (EXIT_FAILURE);
+
+  if (optind < argc)
+    {
+      int i = 0 ;
+      int found_prog_name = 0;
+      /* whether program name, i.e., argv[0], is in the remaining args
+         (this may happen with some implementations of getopt,
+          but surely not with the one included by gengetopt) */
+
+      i = optind;
+      while (i < argc)
+        if (argv[i++] == argv[0]) {
+          found_prog_name = 1;
+          break;
+        }
+      i = 0;
+
+      args_info->inputs_num = argc - optind - found_prog_name;
+      args_info->inputs =
+        (char **)(malloc ((args_info->inputs_num)*sizeof(char *))) ;
+      while (optind < argc)
+        if (argv[optind++] != argv[0])
+          args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
+    }
+
+  return 0;
+
+failure:
+  
+  cmdline_parser_release (&local_args_info);
+  return (EXIT_FAILURE);
+}
diff --git a/Source/Core/DolphinWX/src/cmdline.h b/Source/Core/DolphinWX/src/cmdline.h
new file mode 100644
index 0000000000..b6440e41a9
--- /dev/null
+++ b/Source/Core/DolphinWX/src/cmdline.h
@@ -0,0 +1,152 @@
+/** @file cmdline.h
+ *  @brief The header file for the command line option parser
+ *  generated by GNU Gengetopt version 2.21
+ *  http://www.gnu.org/software/gengetopt.
+ *  DO NOT modify this file, since it can be overwritten
+ *  @author GNU Gengetopt by Lorenzo Bettini */
+
+#ifndef CMDLINE_H
+#define CMDLINE_H
+
+/* If we use autoconf.  */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#ifndef CMDLINE_PARSER_PACKAGE
+/** @brief the program name */
+#define CMDLINE_PARSER_PACKAGE "Dolphin"
+#endif
+
+#ifndef CMDLINE_PARSER_VERSION
+/** @brief the program version */
+#define CMDLINE_PARSER_VERSION "SVN"
+#endif
+
+/** @brief Where the command line options are stored */
+struct gengetopt_args_info
+{
+  const char *help_help; /**< @brief Print help and exit help description.  */
+  const char *version_help; /**< @brief Print version and exit help description.  */
+  int debug_flag;	/**< @brief enable debug (default=off).  */
+  const char *debug_help; /**< @brief enable debug help description.  */
+  
+  int help_given ;	/**< @brief Whether help was given.  */
+  int version_given ;	/**< @brief Whether version was given.  */
+  int debug_given ;	/**< @brief Whether debug was given.  */
+
+  char **inputs ; /**< @brief unamed options (options without names) */
+  unsigned inputs_num ; /**< @brief unamed options number */
+} ;
+
+/** @brief The additional parameters to pass to parser functions */
+struct cmdline_parser_params
+{
+  int override; /**< @brief whether to override possibly already present options (default 0) */
+  int initialize; /**< @brief whether to initialize the option structure gengetopt_args_info (default 0) */
+  int check_required; /**< @brief whether to check that all required options were provided (default 0) */
+  int check_ambiguity; /**< @brief whether to check for options already specified in the option structure gengetopt_args_info (default 0) */
+} ;
+
+/** @brief the purpose string of the program */
+extern const char *gengetopt_args_info_purpose;
+/** @brief the usage string of the program */
+extern const char *gengetopt_args_info_usage;
+/** @brief all the lines making the help output */
+extern const char *gengetopt_args_info_help[];
+
+/**
+ * The command line parser
+ * @param argc the number of command line options
+ * @param argv the command line options
+ * @param args_info the structure where option information will be stored
+ * @return 0 if everything went fine, NON 0 if an error took place
+ */
+int cmdline_parser (int argc, char * const *argv,
+  struct gengetopt_args_info *args_info);
+
+/**
+ * The command line parser (version with additional parameters - deprecated)
+ * @param argc the number of command line options
+ * @param argv the command line options
+ * @param args_info the structure where option information will be stored
+ * @param override whether to override possibly already present options
+ * @param initialize whether to initialize the option structure my_args_info
+ * @param check_required whether to check that all required options were provided
+ * @return 0 if everything went fine, NON 0 if an error took place
+ * @deprecated use cmdline_parser_ext() instead
+ */
+int cmdline_parser2 (int argc, char * const *argv,
+  struct gengetopt_args_info *args_info,
+  int override, int initialize, int check_required);
+
+/**
+ * The command line parser (version with additional parameters)
+ * @param argc the number of command line options
+ * @param argv the command line options
+ * @param args_info the structure where option information will be stored
+ * @param params additional parameters for the parser
+ * @return 0 if everything went fine, NON 0 if an error took place
+ */
+int cmdline_parser_ext (int argc, char * const *argv,
+  struct gengetopt_args_info *args_info,
+  struct cmdline_parser_params *params);
+
+/**
+ * Save the contents of the option struct into a (text) file.
+ * This file can be read by the config file parser (if generated by gengetopt)
+ * @param filename the file where to save
+ * @param args_info the option struct to save
+ * @return 0 if everything went fine, NON 0 if an error took place
+ */
+int cmdline_parser_file_save(const char *filename,
+  struct gengetopt_args_info *args_info);
+
+/**
+ * Print the help
+ */
+void cmdline_parser_print_help(void);
+/**
+ * Print the version
+ */
+void cmdline_parser_print_version(void);
+
+/**
+ * Allocates dynamically a cmdline_parser_params structure and initializes
+ * all its fields to 0
+ * @return the initialized cmdline_parser_params structure
+ */
+struct cmdline_parser_params *cmdline_parser_params_init();
+
+/**
+ * Initializes the passed gengetopt_args_info structure's fields
+ * (also set default values for options that have a default)
+ * @param args_info the structure to initialize
+ */
+void cmdline_parser_init (struct gengetopt_args_info *args_info);
+/**
+ * Deallocates the string fields of the gengetopt_args_info structure
+ * (but does not deallocate the structure itself)
+ * @param args_info the structure to deallocate
+ */
+void cmdline_parser_free (struct gengetopt_args_info *args_info);
+
+/**
+ * Checks that all the required options were specified
+ * @param args_info the structure to check
+ * @param prog_name the name of the program that will be used to print
+ *   possible errors
+ * @return
+ */
+int cmdline_parser_required (struct gengetopt_args_info *args_info,
+  const char *prog_name);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* CMDLINE_H */