X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Ftextwriter.cpp;h=c870ba0c20d7888f19725761924171c6b01662d9;hb=cac0716e8c12088ba833cb28809f5a7b8430a68d;hp=0e5b6742653d80599809d645b77e1f91b9f60675;hpb=7df5e45c7f414f6a07681dc4ec2abb63b091a309;p=libs%2Fdatafile.git

diff --git a/source/textwriter.cpp b/source/textwriter.cpp
index 0e5b674..c870ba0 100644
--- a/source/textwriter.cpp
+++ b/source/textwriter.cpp
@@ -1,5 +1,6 @@
 #include <msp/io/print.h>
 #include <msp/strings/utils.h>
+#include "output.h"
 #include "statement.h"
 #include "textwriter.h"
 
@@ -8,10 +9,16 @@ using namespace std;
 namespace Msp {
 namespace DataFile {
 
-TextWriter::TextWriter(IO::Base &o):
-	WriterMode(o)
+TextWriter::TextWriter(Output &o):
+	WriterMode(o),
+	float_format("%#.7g")
 { }
 
+void TextWriter::set_float_precision(unsigned fp)
+{
+	float_format = format("%%#.%dg", fp/4-1);
+}
+
 void TextWriter::write(const Statement &st)
 {
 	write_(st, 0);
@@ -21,18 +28,18 @@ void TextWriter::write_(const Statement &st, unsigned level)
 {
 	string indent(level, '\t');
 
-	IO::print(out, "%s%s", indent, st.keyword);
+	out.write(format("%s%s", indent, st.keyword));
 	for(ValueArray::const_iterator i = st.args.begin(); i!=st.args.end(); ++i)
 	{
 		out.put(' ');
 		if(i->get_signature()==StringType::signature)
-			IO::print(out, "\"%s\"", c_escape(i->get<StringType::Store>(), false));
+			out.write(format("\"%s\"", c_escape(i->get<StringType::Store>(), false)));
 		else if(i->get_signature()==BoolType::signature)
 			out.write(i->get<BoolType::Store>() ? "true" : "false");
 		else if(i->get_signature()==IntType::signature)
-			out.write(lexical_cast(i->get<IntType::Store>()));
+			out.write(lexical_cast<string>(i->get<IntType::Store>()));
 		else if(i->get_signature()==FloatType::signature)
-			out.write(format("%15g", (i->get<FloatType::Store>())));
+			out.write(format(float_format, i->get<FloatType::Store>()));
 		else if(i->get_signature()==SymbolType::signature)
 		{
 			string name = i->get<SymbolType::Store>().name;
@@ -44,12 +51,12 @@ void TextWriter::write_(const Statement &st, unsigned level)
 	}
 	if(!st.sub.empty())
 	{
-		IO::print(out, "\n%s{\n", indent);
+		out.write(format("\n%s{\n", indent));
 		for(list<Statement>::const_iterator i = st.sub.begin(); i!=st.sub.end(); ++i)
 			write_(*i, level+1);
-		IO::print(out, "%s}", indent);
+		out.write(format("%s}", indent));
 	}
-	out.write(";\n", 2);
+	out.write(";\n");
 }
 
 } // namespace DataFile