From 3144bd7deb950de0cb80e2215c1545bdf8fc81e9 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Wed, 6 Jun 2007 18:48:07 +0000
Subject: Except for storing the data somewhere, the TafReader is more or less
 done. Some more generalizations are in order, then we'll stuff the data
 somewhere.

---
 src/tafreader.cpp | 129 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 128 insertions(+), 1 deletion(-)

(limited to 'src/tafreader.cpp')

diff --git a/src/tafreader.cpp b/src/tafreader.cpp
index 4d10b8d..91aa9f2 100644
--- a/src/tafreader.cpp
+++ b/src/tafreader.cpp
@@ -1,14 +1,141 @@
-#include "tafreader.h"
+#include "bu/tafreader.h"
+#include "bu/exceptions.h"
+#include "bu/fstring.h"
 
 Bu::TafReader::TafReader( Bu::Stream &sIn ) :
 	sIn( sIn )
 {
+	next();
+	node();
 }
 
 Bu::TafReader::~TafReader()
 {
 }
 
+void Bu::TafReader::node()
+{
+	ws();
+	if( c != '{' )
+		throw Bu::TafException("Expected '{'");
+	next();
+	ws();
+	Bu::FString sName;
+	for(;;)
+	{
+		if( c == ':' )
+			break;
+		else
+			sName += c;
+		next();
+	}
+	next();
+	printf("Node[%s]:\n", sName.getStr() );
+
+	nodeContent();
+
+	if( c != '}' )
+		throw TafException("Expected '}'");
+
+	next();
+}
+
+void Bu::TafReader::nodeContent()
+{
+	for(;;)
+	{
+		ws();
+		if( c == '{' )
+			node();
+		else if( c == '}' )
+			return;
+		else
+			nodeProperty();
+	}
+}
+
+void Bu::TafReader::nodeProperty()
+{
+	Bu::FString sName;
+	for(;;)
+	{
+		if( isws() || c == '=' )
+			break;
+		else
+			sName += c;
+		next();
+	}
+	ws();
+	if( c != '=' )
+	{
+		printf("  %s (true)\n", sName.getStr() );
+		return;
+	}
+	next();
+	ws();
+	Bu::FString sValue;
+	if( c == '"' )
+	{
+		next();
+		for(;;)
+		{
+			if( c == '\\' )
+			{
+				next();
+				if( c == 'x' )
+				{
+					char code[3]={'\0','\0','\0'};
+					next();
+					code[0] = c;
+					next();
+					code[1] = c;
+					c = (unsigned char)strtol( code, NULL, 16 );
+				}
+				else if( c == '"' )
+					c = '"';
+				else
+					throw TafException("Invalid escape sequence.");
+			}
+			else if( c == '"' )
+				break;
+			sValue += c;
+			next();
+		}
+		next();
+	}
+	else
+	{
+		for(;;)
+		{
+			if( isws() || c == '}' || c == '{' )
+				break;
+			sValue += c;
+			next();
+		}
+	}
+	printf("  %s = %s\n", sName.getStr(), sValue.getStr() );
+}
+
+FString Bu::TafReader::readStr()
+{
+}
+
+void Bu::TafReader::ws()
+{
+	for(;;)
+	{
+		if( !isws() )
+			return;
+
+		next();
+	}
+}
+
+bool Bu::TafReader::isws()
+{
+	return (c == ' ' || c == '\t' || c == '\n' || c == '\r');
+}
+
 void Bu::TafReader::next()
 {
 	sIn.read( &c, 1 );
-- 
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