1 files changed, 128 insertions, 1 deletions

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 );