From 23e4ce8f1b211b388be7533b684dabab193be587 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Thu, 21 Sep 2006 16:11:02 +0000
Subject: The plain view now effectively uses command stacks, the results are
 pretty cool looking.

---
 src/viewerplain.cpp | 35 ++++++++++++++++++++++++++++-------
 src/viewerplain.h   | 14 ++++++++++----
 2 files changed, 38 insertions(+), 11 deletions(-)

diff --git a/src/viewerplain.cpp b/src/viewerplain.cpp
index d65c59d..9037a40 100644
--- a/src/viewerplain.cpp
+++ b/src/viewerplain.cpp
@@ -5,7 +5,6 @@
 PluginInterface2( plain, ViewerPlain, Viewer, "Mike Buland", 0, 1 );
 
 ViewerPlain::ViewerPlain() :
-	bCmdClean( true ),
 	bRunClean( true )
 {
 }
@@ -16,29 +15,50 @@ ViewerPlain::~ViewerPlain()
 
 void ViewerPlain::beginCommand( Action::eAction nAct, const std::string &sTarget )
 {
-	bCmdClean = true;
-	this->sTarget = sTarget;
+	Cmd cmd;
+	if( sCmd.empty() )
+		cmd.nLevel = 0;
+	else
+		cmd.nLevel = sCmd.front().nLevel+1;
+	
+	cmd.bCmdClean = true;
+	cmd.sTarget = sTarget;
+
+	sCmd.push_front( cmd );
 }
 
 void ViewerPlain::endCommand()
 {
-	if( bCmdClean == false )
+	if( sCmd.front().bCmdClean == false )
 		printf("\n");
+	sCmd.pop_front();
+}
+
+void ViewerPlain::indent()
+{
+	if( sCmd.empty() ) return;
+	int jmax = sCmd.front().nLevel;
+	for( int j = 0; j < jmax; j++ )
+	{
+		printf("  ");
+	}
 }
 
 void ViewerPlain::printHead()
 {
-	if( bCmdClean == true )
+	if( sCmd.front().bCmdClean == true )
 	{
 		bRunClean = false;
-		bCmdClean = false;
-		printf("--- %s ---\n", sTarget.c_str() );
+		sCmd.front().bCmdClean = false;
+		indent();
+		printf("--- %s ---\n", sCmd.front().sTarget.c_str() );
 	}
 }
 
 void ViewerPlain::beginRequiresCheck( bool bCached, const std::string &sName )
 {
 	printHead();
+	indent();
 	printf("     deps: %s\n", sName.c_str() );
 }
 
@@ -49,6 +69,7 @@ void ViewerPlain::endRequiresCheck()
 void ViewerPlain::beginPerform( Perform *pPerform )
 {
 	printHead();
+	indent();
 	printf(" %8s: %s\n", pPerform->getRule().c_str(), pPerform->getTarget().c_str() );
 }
 
diff --git a/src/viewerplain.h b/src/viewerplain.h
index 76fecc5..118ae80 100644
--- a/src/viewerplain.h
+++ b/src/viewerplain.h
@@ -2,7 +2,7 @@
 #define VIEWER_PLAIN_H
 
 #include <stdint.h>
-
+#include <list>
 #include "viewer.h"
 
 class ViewerPlain : public Viewer
@@ -22,12 +22,18 @@ public:
 	virtual void endAction();
 
 	void printHead();
+	void indent();
 
 private:
-	bool bCmdClean;
 	bool bRunClean;
-	std::string sTarget;
-
+	typedef struct
+	{
+		int nLevel;
+		bool bCmdClean;
+		std::string sTarget;
+	} Cmd;
+	typedef std::list<Cmd> CmdStack;
+	CmdStack sCmd;
 };
 
 #endif
-- 
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