From dcd914665f6e8ea6ea4e648f7357f1c842273d87 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Thu, 29 Jun 2006 05:34:39 +0000
Subject: All done with all of the basic and some nice, extended functionality,
 now I just need to update our other projects...

---
 src/paramproc.cpp  | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 src/paramproc.h    |  9 ++++++
 src/test/param.cpp | 22 +++++++++------
 3 files changed, 101 insertions(+), 12 deletions(-)

diff --git a/src/paramproc.cpp b/src/paramproc.cpp
index eaaf466..85274e2 100644
--- a/src/paramproc.cpp
+++ b/src/paramproc.cpp
@@ -141,6 +141,12 @@ void ParamProc::addParam( const char *lpWord, char cChar, Proc proc,
 		as->sValue = lpValue;
 
 	lArg.push_back( as );
+
+	if( !lBan.empty() )
+	{
+		if( lBan.back()->pBefore == NULL )
+			lBan.back()->pBefore = as;
+	}
 }
 
 void ParamProc::addParam( const char *lpWord, char cChar, Proc proc,
@@ -203,7 +209,7 @@ void ParamProc::process( int argc, char *argv[] )
 {
 	for( int arg = 1; arg < argc; arg++ )
 	{
-		printf(":::%d:::%s\n", arg, argv[arg] );
+		//printf(":::%d:::%s\n", arg, argv[arg] );
 		if( argv[arg][0] == '-' )
 		{
 			if( argv[arg][1] == '-' )
@@ -270,6 +276,10 @@ void ParamProc::process( int argc, char *argv[] )
 					}
 					continue;
 				}
+				else
+				{
+					unknownParam( argc-arg, argv+arg );
+				}
 			}
 			else
 			{
@@ -347,15 +357,23 @@ void ParamProc::process( int argc, char *argv[] )
 							}
 						}
 					}
+					else
+					{
+						unknownParam( argc-arg, argv+arg );
+					}
 				}
 			}
 		}
+		else
+		{
+			cmdParam( argc-arg, argv+arg );
+		}
 	}
 }
 
 ParamProc::ArgSpec *ParamProc::checkWord( const char *arg )
 {
-	printf("Checking \"%s\"...\n", arg );
+	//printf("Checking \"%s\"...\n", arg );
 	std::list<ArgSpec *>::const_iterator i;
 	for( i = lArg.begin(); i != lArg.end(); i++ )
 	{
@@ -380,7 +398,7 @@ ParamProc::ArgSpec *ParamProc::checkWord( const char *arg )
 
 ParamProc::ArgSpec *ParamProc::checkLetr( const char arg )
 {
-	printf("Checking \'%c\'...\n", arg );
+	//printf("Checking \'%c\'...\n", arg );
 	std::list<ArgSpec *>::const_iterator i;
 	for( i = lArg.begin(); i != lArg.end(); i++ )
 	{
@@ -408,6 +426,62 @@ int ParamProc::unknownParam( int argc, char *argv[] )
 
 int ParamProc::help( int argc, char *argv[] )
 {
-	// Insert help here later on
+	std::list<Banner *>::const_iterator b = lBan.begin();
+	std::list<ArgSpec *>::const_iterator i;
+	int len=0;
+	for( i = lArg.begin(); i != lArg.end(); i++ )
+	{
+		if( len < (*i)->sWord.getLength() )
+			len = (*i)->sWord.getLength();
+	}
+	char fmt[10];
+	sprintf( fmt, "%%-%ds   ", len );
+
+	for( i = lArg.begin(); i != lArg.end(); i++ )
+	{
+		if( b != lBan.end() )
+		{
+			if( (*b)->pBefore == (*i) )
+			{
+				printf( (*b)->sBanner.getString() );
+				b++;
+			}
+		}
+		printf("  ");
+		if( (*i)->cChar )
+		{
+			printf("-%c, ", (*i)->cChar );
+		}
+		else
+		{
+			printf("    ");
+		}
+		if( (*i)->sWord.getString() )
+		{
+			printf("--");
+			printf( fmt, (*i)->sWord.getString() );
+		}
+		else
+		{
+			printf("  ");
+			printf(fmt, "" );
+		}
+		printf("%s\n", (*i)->sDesc.getString() );
+	}
+	if( b != lBan.end() )
+	{
+		if( (*b)->pBefore == NULL )
+		{
+			printf( (*b)->sBanner.getString() );
+		}
+	}
+}
+
+void ParamProc::addHelpBanner( const char *sHelpBanner )
+{
+	Banner *pBan = new Banner;
+	pBan->sBanner = sHelpBanner;
+	pBan->pBefore = NULL;
+	lBan.push_back( pBan );
 }
 
diff --git a/src/paramproc.h b/src/paramproc.h
index d462eac..d857193 100644
--- a/src/paramproc.h
+++ b/src/paramproc.h
@@ -127,6 +127,9 @@ public:
 		);
 
 	void process( int argc, char *argv[] );
+	void addHelpBanner( const char *sHelpBanner );
+
+private:
 	ArgSpec *checkWord( const char *arg );
 	ArgSpec *checkLetr( const char arg );
 
@@ -136,6 +139,12 @@ public:
 	virtual int help( int argc, char *argv[] );
 
 private:
+	typedef struct Banner
+	{
+		StaticString sBanner;
+		ArgSpec *pBefore;
+	} Banner;
+	std::list<Banner *> lBan;
 	std::list<ArgSpec *> lArg;
 };
 
diff --git a/src/test/param.cpp b/src/test/param.cpp
index 0641f90..a4d2824 100644
--- a/src/test/param.cpp
+++ b/src/test/param.cpp
@@ -3,12 +3,16 @@
 
 Param::Param()
 {
-	addParam( "name", 's', mkproc( Param::printStuff ), &str );
+	addHelpBanner("param - A test of the libbu++ parameter systems\n"
+			"Enjoy with care and caution\n\nTest stuff:\n");
+	addParam( "name", 's', mkproc( Param::printStuff ), &str, "Test a param param" );
 	//addParam( "name", &str );
-	addParam( "job", 'U', mkproc( Param::printStuff ) );
+	addParam( "job", 'U', mkproc( Param::printStuff ), "Test a paramless param" );
 
-	// --name=Bobo
-	// --job hello
+	addHelpBanner("\nInformational:\n");
+	addParam( "help", mkproc( ParamProc::help ), "Help!" );
+
+	addHelpBanner("\nThanks for trying my test!\n\n");
 }
 
 Param::~Param()
@@ -30,11 +34,13 @@ int Param::printStuff( int argc, char *argv[] )
 
 int main( int argc, char *argv[] )
 {
-	printf("Starting...\n");
+	if( argc == 1 )
+	{
+		printf("You have to enter some parameter, try '--help'\n\n");
+		return 0;
+	}
+
 	Param p;
 	p.process( argc, argv );
-
-	//printf("Calling by hand...\n");
-	//p.printStuff();
 }
 
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