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#ifndef _CMDLINE_CODE
#define _CMDLINE_CODE
// $Id: cmdline.cpp,v 1.24 2009/06/26 00:52:53 tom Exp $
// Program C(++) Beautifier Written By Steven De Toni ACBC 11 12/94
// Revised 1999 - Thomas Dickey
//
// This module contains methods to parse the command line.
#include <stdlib.h> // atoi()
#include <ctype.h>
#include <string.h> // strcmp()
#include "bcpp.h"
#include "cmdline.h" // prototypes
// Function converts a lower case string into upper case, any special
// characters remain the same (i.e "$", "%" ...)
void StrUpr (char* pUpCase)
{
while (*pUpCase != '\0')
{
if (isalpha(*pUpCase) && islower(*pUpCase))
*pUpCase = toupper(*pUpCase);
pUpCase++;
}
}
// This function displays brief command line help to the user.
// Parameters:
// char* argv[] : Pointer to command line parameter pointer array
//
void PrintProgramHelp (void)
{
static const char *help[] = {
"C(++) Beautifier " VERSION,
"",
"Program Was Written By Steven De Toni, December 1995",
"Modified/revised by Thomas E. Dickey 1996-2003,2004",
"All Parts Of This Program Are Freely Distributable.",
"",
"Usage: bcpp [Parameters] [Input File Name] [Output File Name]",
"",
"Options:",
"",
"[-bcl] [-bnl] [-cc <num>] [-f <num>] [-fi <string>] [-fnc <string>]",
"[-fo <string>] [-h] [-i <num>] [-lg]",
"[-na] [-nb] [-nbbi] [-nbi] [-nc] [-nkcwc] [-nlcnc] [-no] [-nq]",
"[-qb] [-s] [-t]",
"[-ya] [-yb] [-ybbi] [-ybi] [-ykcwc] [-ylcnc] [-yo] [-yq]",
"[<string>] [<string>]",
"",
"[] = Optional <> = Parameter Requirement",
"",
"* Support For I/O Redirection Is Provided *",
};
unsigned n;
for (n = 0; n < TABLESIZE(help); n++)
verbose("%s\n", help[n]);
if (prompt("More Detail"))
{
static const char *details[] = {
"-bcl : Open braces on code line",
"-bnl : Open braces on new line",
"-cc <num> : Column to align comments with code",
"-f <num> : Function line spacing",
"-fi <string> : Input file name",
"-fnc <string> : Load custom configuration file",
"-fo <string> : Output file name",
"-h or -? : This help message",
"-i <num> : Indent space length",
"-lg : Leave graphic chars",
"-nc <num> : Column to align comments with no code",
"-qb <num> : Define internal queue buffer size",
"-s : Use spaces in indenting",
"-t : Use tabs in indenting",
"-tbcl : Top-level open braces on code line",
"-tbnl : Top-level open braces on new line",
"",
"Options beginning with -n or -y disable/enable functions:",
" a : Remove non-ASCII chars",
" b : Backup input file with .bac extension",
" bbi : Indent both braces of a block",
" bi : Indent trailing brace of block",
" kcwc : Keep comments with Code",
" lcnc : Leave comments with NoCode",
" o : Program output",
" q : Change non-ASCII chars in quotes to octal",
};
for (n = 0; n < TABLESIZE(details); n++)
verbose("%s\n", details[n]);
}
}
// integer assignment
static void intOption (int& cmdCount, int argc, char* argv[], int &result )
{
if (++cmdCount <= (argc-1))
{
result = atoi (argv[cmdCount]);
}
else
{
warning ("Expected Another Integer Parameter For Command Directive %s\n", argv[cmdCount]);
PrintProgramHelp ();
}
}
// string assignment
static void strOption (int& cmdCount, int argc, char* argv[], char * &result)
{
if (++cmdCount <= (argc-1))
{
result = argv[cmdCount];
}
else
{
warning ("Expected Another String Parameter For Command Directive %s\n", argv[cmdCount]);
PrintProgramHelp ();
}
}
#define DecodeFlg(option, flag, value) \
if (strcmp (option, cmdRead) == 0) \
{ \
flag = value; \
continue; \
}
#define DecodeInt(option, flag) \
if (strcmp (option, cmdRead) == 0) \
{ \
intOption (cmdCount, argc, argv, flag); \
continue; \
}
#define DecodeStr(option, flag) \
if (strcmp (option, cmdRead) == 0) \
{ \
strOption (cmdCount, argc, argv, flag); \
continue; \
}
// Function processes command line parameters
int ProcessCommandLine (int argc, char* argv[], Config& settings,
char*& pInFile, char*& pOutFile, char*& pConfig)
{
int cmdCount = 0;
char* cmdRead;
while (cmdCount < argc-1)
{
// command line error
if (cmdCount < 0)
return cmdCount;
// next command to process!
cmdCount++;
cmdRead = argv[cmdCount];
// this is a command directive
if (cmdRead[0] == '-')
{
// upcase the command parameter
StrUpr (cmdRead);
cmdRead++;
// miscellaneous flags, "sort +1"
DecodeFlg ("BCL", settings.braceLoc, False);
DecodeFlg ("BNL", settings.braceLoc, True);
DecodeInt ("CC", settings.posOfCommentsWC);
DecodeInt ("F", settings.numOfLineFunc);
DecodeStr ("FI", pInFile);
DecodeStr ("FNC", pConfig);
DecodeStr ("FO", pOutFile);
DecodeInt ("I", settings.tabSpaceSize);
DecodeFlg ("LG", settings.deleteHighChars, 3);
DecodeInt ("NC", settings.posOfCommentsNC);
DecodeInt ("QB", settings.queueBuffer);
DecodeFlg ("S", settings.useTabs, False);
DecodeFlg ("T", settings.useTabs, True);
DecodeFlg ("TBCL", settings.topBraceLoc, False);
DecodeFlg ("TBNL", settings.topBraceLoc, True);
// "No" flags
DecodeFlg ("NA", settings.deleteHighChars, 0);
DecodeFlg ("NB", settings.backUp, False);
DecodeFlg ("NBBI", settings.braceIndent2, False);
DecodeFlg ("NBI", settings.braceIndent, False);
DecodeFlg ("NLCNC", settings.leaveCommentsNC, False);
DecodeFlg ("NO", settings.output, False);
DecodeFlg ("NQ", settings.quoteChars, False);
// "Yes" flags
DecodeFlg ("YA", settings.deleteHighChars, 1);
DecodeFlg ("YB", settings.backUp, True);
DecodeFlg ("YBBI", settings.braceIndent2, True);
DecodeFlg ("YBI", settings.braceIndent, True);
DecodeFlg ("YLCNC", settings.leaveCommentsNC, True);
DecodeFlg ("YO", settings.output, True);
DecodeFlg ("YQ", settings.quoteChars, True);
// ### display help ###
if( (strcmp ("?", cmdRead) == 0) ||
(strcmp ("H", cmdRead) == 0) )
{
verbose ("*** Displaying Brief Help ***\n");
PrintProgramHelp ();
return -1;
}
warning ("Unknown Command Directive %s \n", cmdRead);
PrintProgramHelp ();
return -1;
}
else if (pInFile == NULL)
pInFile = argv [cmdCount];
else if (pOutFile == NULL)
pOutFile = argv [cmdCount];
else
{
warning ("Command Line Error : Expected Command Directive, Not %s\n", argv[cmdCount]);
PrintProgramHelp ();
return -1;
}
}
if (settings.queueBuffer < 2)
settings.queueBuffer = 2;
return 0;
}
#endif //_CMDLINE_CODE
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