Add the ability to read from a file, move to own directory

Makefile

@@ -1,9 +1,10 @@
 CC = g++
 CFLAGS = -g
 
-all: cyoa
+all: storybook
-cyoa: cyoa.c
+storybook: main.c cyoa.c
+	$(CC) $(CFLAGS) main.c -o storybook
 cyoa.c: cyoa.leg
 	leg -o $@ $^
 clean:
-	rm -f cyoa.c cyoa
+	rm -f cyoa.c cyoa storybook

cyoa.leg

@@ -85,29 +85,27 @@ union value {
 %}
 
 
-Story =        BlankLine* (p:Page { pages.push_back(p.page); })+ EndOfFile;
+Story =        BlankLine* (p:Page { pages.push_back(p.page); })+ EndOfFile
 
 Page =         h:Header b:Body { $$.page = b.page; $$.page->id = h.string}
-     	        BlankLine*;
+     	       BlankLine*
 
 Header =       < i:Identifier > Newline BlankLine* { $$ = i; }
                
-Identifier =   < [A-Z][A-Z0-9_]+ > - { $$.string = strndup(yytext, yyleng); };
+Identifier =   < [A-Z][A-Z0-9_]+ > - { $$.string = strndup(yytext, yyleng); }
 
-Body =         Footer | t:TextLine b:Body { $$ = b; append_body(b.page, t.string);};
+Body =         Footer | t:TextLine b:Body { $$ = b; append_body(b.page, t.string);}
 
-TextLine =     < (!Newline .)* Newline > { $$.string = strndup(yytext, yyleng); };
+TextLine =     < (!Newline .)* Newline > { $$.string = strndup(yytext, yyleng); }
 
 Footer =       Ending { $$.page = emit_ending(); }
 	       | g:Goto { $$.page = emit_goto(g.string); }
 	       | c:ChoiceList { $$.page = emit_choices(c.choices); }
-	       ;
 
 Goto =         'GOTO' - < i:Identifier > Newline
      	       { $$.string = strndup(yytext, yyleng); }
-	       ;
 
-Ending =       'THE END' Newline;
+Ending =       'THE END' Newline
 
 ChoiceList =   c:Choice l:ChoiceList { $$ = l; $$.choices->push_back(c.choice); }
 	       | c:Choice { $$.choices = new std::vector<Choice*>(); $$.choices->push_back(c.choice); }
@@ -117,11 +115,11 @@ Choice =       b:Bullet f:Freetext r:Redirect
 	       $$ = r;
 	       $$.choice->option = b.num;
 	       $$.choice->flavor = f.string;
-	       };
+	       }
 
-Bullet =       < [0-9]+ > ')' - { $$.num = atoi(yytext); };
+Bullet =       < [0-9]+ > ')' - { $$.num = atoi(yytext); }
 
-Freetext =     < ([^[<])+ > { $$.string = strndup(yytext, yyleng); };
+Freetext =     < ([^[<])+ > { $$.string = strndup(yytext, yyleng); }
 
 Redirect =     ck:StatCheck? '[' i:Identifier ']' - cg:StatChange? Newline
 	       { $$.choice = new Choice(i.string, ck.statcheck, cg.statchange); }
@@ -132,7 +130,7 @@ StatCheck =    '<' n:StatName v:StatVal r:StatRel '>' -
 StatChange =   '(' ('+' | '-') v:StatVal n:StatName ')'
 	       { $$.statchange = new statchange_t{n.string, v.num}; }
 
-StatName =     < [A-Za-z]+ > - { $$.string = strdup(yytext); };
+StatName =     < [A-Za-z]+ > - { $$.string = strdup(yytext); }
 
 StatVal =      < [0-9]+ > - { $$.num = atoi(yytext); }
 
@@ -231,18 +229,6 @@ std::vector<Page*> CyoaParse(FILE *file) {
   return pages;
 }
   
-int main(int argc, char **argv) {
-  if (argc < 2) {
-    return 1;
-  }
-  FILE* fin = fopen(argv[1], "r");
-  auto mypages = CyoaParse(fin);
-  for (Page* page : pages) {
-    print_page(page);
-  }
-  return 0;
-}
-
 /* Local Variables: */
 /* mode: text */
 /* End: */

main.c

@@ -0,0 +1,13 @@
+#include "cyoa.c"
+
+int main(int argc, char **argv) {
+  if (argc < 2) {
+    return 1;
+  }
+  FILE* fin = fopen(argv[1], "r");
+  auto mypages = CyoaParse(fin);
+  for (Page* page : pages) {
+    print_page(page);
+  }
+  return 0;
+}