[new] Initial help

nodejitsu · Jun 19, 2013 · 02167f8 · 02167f8
1 parent 1c648d1
commit 02167f8
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Showing 4 changed files with 120 additions and 3 deletions.
diff --git a/Makefile b/Makefile
@@ -19,10 +19,10 @@ all: libuv aeternum
 debug: libuv aeternum_g
 
 aeternum_g:
-	gcc -O0 -ggdb $(CFLAGS) -o aeternum_g aeternum.c options.c deps/libuv/libuv.a $(LDFLAGS)
+	gcc -O0 -ggdb $(CFLAGS) -o aeternum_g aeternum.c options.c help.c deps/libuv/libuv.a $(LDFLAGS)
 
 aeternum: 
-	gcc -O2 $(CFLAGS) -o aeternum aeternum.c options.c deps/libuv/libuv.a $(LDFLAGS)
+	gcc -O2 $(CFLAGS) -o aeternum aeternum.c options.c help.c deps/libuv/libuv.a $(LDFLAGS)
 
 libuv: 
 	$(MAKE) -C deps/libuv/

diff --git a/aeternum.c b/aeternum.c
@@ -10,6 +10,7 @@
 #include <errno.h>
 #include "uv.h"
 #include "options.h"
+#include "help.h"
 
 #ifdef __WIN32
 #include <shellapi.h>
@@ -190,8 +191,26 @@ int main(int argc, char *argv[]) {
 
   loop = uv_default_loop();
 
+  add_help("start", "file", "Run a file to be monitored and daemonize it", (char*[]) {
+    "Test"
+  });
+
+  add_help("run", "file", "Run a file to be monitored", (char*[]) {
+    "Test",
+    "test2",
+    "test3"
+  });
+
+  add_help("-i", "file", "Input file", (char*[]) {
+    "Input file"
+  });
+
+  add_help("-o", "file", "Output file", (char*[]) {
+    "Output file"
+  });
+
   if (argc == 1) {
-    printf("Usage: aeternum [action] [options] -- program\n");
+    print_help();
     return 1;
   }
 

diff --git a/help.c b/help.c
@@ -0,0 +1,73 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "help.h"
+
+char *BANNER[] = {
+  // aeternum ascii art
+  "              __                                ",
+  "  ____ ____  / /____  _________  __  ______ ___ ",
+  " / __ `/ _ \\/ __/ _ \\/ ___/ __ \\/ / / / __ `__ \\",
+  "/ /_/ /  __/ /_/  __/ /  / / / / /_/ / / / / / /",
+  "\\__,_/\\___/\\__/\\___/_/  /_/ /_/\\__,_/_/ /_/ /_/"
+};
+
+help_list_t help_list;
+
+void init_help() {
+  if (help_list.length > 0) return;
+
+  help_list.commands = (help_t*) malloc(sizeof(help_t*));
+}
+
+void add_help(char *name, char *syntax, char *desc, char **text) {
+  init_help();
+
+  help_t help;
+  help.name = name;
+  help.syntax = syntax;
+  help.desc = desc;
+  help.text = text;
+
+  // Get help text length
+  int i = 0;
+  while (text[i] != NULL) i++;
+
+  help.length = i;
+
+  help_list.commands[help_list.length++] = help;
+}
+
+void print_help() {
+  int i;
+  print_help_header();
+  for (i = 0; i < help_list.length; i++) {
+    printf("aeternum %s\t\t\t%s\n", help_list.commands[i].syntax, help_list.commands[i].desc);
+  }
+}
+
+void print_help_for(char *name) {
+  int i, j;
+  for (i = 0; i < help_list.length; i++) {
+    if (help_list.commands[i].name == name) {
+      print_help_header();
+      printf("%s\n", help_list.commands[i].syntax);
+      printf("----------------------------------\n");
+      for (j = 0; j < help_list.commands[i].length; j++) {
+        printf("%s\n", help_list.commands[i].text[j]);
+      }
+    }
+  }
+}
+
+void print_help_header() {
+  print_header();
+  printf("Usage: aeternum [action] [options] -- program\n\n");
+}
+
+void print_header() {
+  int i = 0, length = sizeof(BANNER) / sizeof(char**);
+  for (i = 0; i < length; i++) {
+    printf("%s\n", BANNER[i]);
+  }
+  printf("\n");
+}
diff --git a/help.h b/help.h
@@ -0,0 +1,25 @@
+#ifndef _help_h
+#define _help_h
+
+#define VERSION "0.1.4"
+
+typedef struct help_s {
+  char *name;
+  char *syntax;
+  char *desc;
+  char **text;
+  int length;
+} help_t;
+
+typedef struct help_list_s {
+  int length;
+  help_t *commands;
+} help_list_t;
+
+void add_help(char *name, char *syntax, char *desc, char **text);
+void print_help_for(char *name);
+void print_help();
+void print_help_header();
+void print_header();
+
+#endif