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/*************************************************************** 
File: REPORT.CPP              Copyright 1992 by Dlugosz Software 
part of the CMDL package for command-line parsing 
reporting and errors 
This version may be used freely, with attribution. 
***************************************************************/ 
 
#include "usual.h" 
#include "cmdl.h" 
 
/* /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ */ 
 
void cmdl::report_error() 
{ 
/* default error printing member.  May be overridden in derived class. */ 
switch (error) { 
   case Duplicate: 
      foutput ("parameter @ cannot be specified more than once.\n"); 
      break; 
   default: 
      foutput ("parameter @ : undiagnised error\n"); 
   } 
} 
 
/* /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ */ 
 
void cmdl::output_name() 
{ 
/* this virtual function outputs the name of the argument.  It is 
   very general, handling everything that is built-in.  It can be 
   overridded for special derived classes, though.  */ 
if (!iskeyword()) output ("-"); 
if (ischar())  output (cname); 
else output (sname); 
} 
 
/* /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ */ 
 
void cmdl::foutput (const char* s) 
{ 
/* formatted output.  any '@' in the string is replaced by the name 
   of the parameter. */ 
char c; 
while ((c=*s++) != '\0') { 
   switch (c) { 
      case '@': output_name();  break; 
      default: output (c);  break; 
      } 
   } 
} 
 
/* /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ */ 
 
void cmdl::show_usage() 
{ 
/* simple usage report.  Shows each parameter and its usage string */ 
output (signon_string); 
for (cmdl* p= head;  p;  p=p->next) { 
   if (p->flags & noname) continue;  //don't report these (yet?) 
   p->foutput ("@ :"); 
   output (p->helpstring); 
   output ("\n"); 
   } 
}