wip

Signed-off-by: Kevin Rocard <[email protected]>

Author: krocard

test/functional-tests/Handle.cpp

@@ -69,6 +69,8 @@ struct AllParamsPF : public ParameterFramework
             <FixedPointParameter Size="32" Integral="3" Fractional="4" Name="fix_point"/>
             <FixedPointParameter Size="32" Integral="3" Fractional="4" ArrayLength="3" Name="fix_point_array"/>
 
+            <FloatingPointParameter Size="32" Min="-12.2E-10" Max="1e10" Name="float"/>
+
             <EnumParameter Size="8" Name="enum">
                 <ValuePair Literal="min"  Numerical="-128"/>
                 <ValuePair Literal="five" Numerical="5"/>
@@ -347,6 +349,7 @@ static const char *defaultBasicSettingsXML = R"(
       <IntegerParameter Name="integer_array">-10 -10 -10 -10</IntegerParameter>
       <FixedPointParameter Name="fix_point">0.0000</FixedPointParameter>
       <FixedPointParameter Name="fix_point_array">0.0000 0.0000 0.0000</FixedPointParameter>
+      <FloatingPointParameter Name="float">0</FloatingPointParameter>
       <EnumParameter Name="enum">min</EnumParameter>
       <EnumParameter Name="enum_array">eight eight eight eight</EnumParameter>
       <StringParameter Name="string"></StringParameter>
@@ -366,6 +369,7 @@ static const char *testBasicSettingsXML = R"(
       <IntegerParameter Name="integer_array">-10 0 8 10</IntegerParameter>
       <FixedPointParameter Name="fix_point">2.2500</FixedPointParameter>
       <FixedPointParameter Name="fix_point_array">7.1250 0.6875 -1.0000</FixedPointParameter>
+      <FloatingPointParameter Name="float">1e+1</FloatingPointParameter>
       <EnumParameter Name="enum">five</EnumParameter>
       <EnumParameter Name="enum_array">eight min eight min</EnumParameter>
       <StringParameter Name="string">A string of 32 character.@@@@@@@</StringParameter>
@@ -384,6 +388,7 @@ static const char *testRawHexBasicSettingsXML = R"(
       <IntegerParameter Name="integer_array">0xFFFFFFF6 0x00000000 0x00000008 0x0000000A</IntegerParameter>
       <FixedPointParameter ValueSpace="Raw" Name="fix_point">0x24000000</FixedPointParameter>
       <FixedPointParameter ValueSpace="Raw" Name="fix_point_array">0x72000000 0x0B000000 0xF0000000</FixedPointParameter>
+      <FloatingPointParameter Name="float">0x1</FloatingPointParameter>
       <EnumParameter Name="enum">five</EnumParameter>
       <EnumParameter Name="enum_array">eight min eight min</EnumParameter>
       <StringParameter Name="string">A string of 32 character.@@@@@@@</StringParameter>

xmlserializer/XmlElement.cpp

@@ -30,6 +30,9 @@
 #include "XmlElement.h"
 #include <libxml/tree.h>
 #include "convert.hpp"
+
+#include <sstream>
+#include <iomanip>
 #include <stdlib.h>
 
 using std::string;
@@ -204,6 +207,24 @@ void CXmlElement::setAttribute<std::string>(const string &name, const string &va
     setAttribute(name, value.c_str());
 }
 
+template <>
+void CXmlElement::setAttribute<float>(const string &name, const float &value)
+{
+    std::ostringstream ss;
+    ss << std::setprecision(6) << value; // max nb digit=`ceil(log10(2^23))=6`, 23=float fraction part
+
+    setAttribute(name, ss.str());
+}
+
+template <>
+void CXmlElement::setAttribute<double>(const string &name, const double &value)
+{
+    std::ostringstream ss;
+    ss << std::setprecision(16) << value; // max nb digit=`ceil(log10(2^52))=16`, 52=double fraction part
+
+    setAttribute(name, ss.str());
+}
+
 // This method exists for 2 reasons:
 //  - at link time, all calls to setAttribute(const string&, const char [N])
 //    for any value of N will all resolve to this method; this prevents the