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Added helper emitter functions, but we have a problem: YAML::Value is already a manipulator

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This commit is contained in:
beder
2011-09-10 16:50:44 -05:00
parent 59ce694ca3
commit 33a71151ca
5 changed files with 47 additions and 4 deletions
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1
include/yaml-cpp/value.h
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@@ -12,5 +12,6 @@
#include "yaml-cpp/value/iterator.h"
#include "yaml-cpp/value/detail/impl.h"
#include "yaml-cpp/value/parse.h"
#include "yaml-cpp/value/emit.h"
#endif // VALUE_H_62B23520_7C8E_11DE_8A39_0800200C9A66

21
include/yaml-cpp/value/emit.h Normal file
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@@ -0,0 +1,21 @@
#ifndef VALUE_EMIT_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define VALUE_EMIT_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif
#include <string>
#include <iosfwd>
namespace YAML
{
class Emitter;
class Value;
Emitter& operator << (Emitter& out, const foo& value);
std::ostream& operator << (std::ostream& out, const Value& value);
}
#endif // VALUE_EMIT_H_62B23520_7C8E_11DE_8A39_0800200C9A66

23
src/value/emit.cpp Normal file
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@@ -0,0 +1,23 @@
#include "yaml-cpp/value/emit.h"
#include "yaml-cpp/emitfromevents.h"
#include "yaml-cpp/emitter.h"
#include "valueevents.h"
namespace YAML
{
Emitter& operator << (Emitter& out, const Value& value)
{
EmitFromEvents emitFromEvents(out);
ValueEvents events(value);
events.Emit(emitFromEvents);
return out;
}
std::ostream& operator << (std::ostream& out, const Value& value)
{
Emitter emitter;
emitter << value;
out << emitter.c_str();
return out;
}
}

2
src/value/valueevents.h
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@@ -18,7 +18,7 @@ namespace YAML
class ValueEvents
{
public:
ValueEvents(const Value& value);
explicit ValueEvents(const Value& value);
void Emit(EventHandler& handler);

4
util/value.cpp
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@@ -4,9 +4,7 @@
int main()
{
YAML::Value value = YAML::Parse("{foo: bar, monkey: value}");
for(YAML::const_iterator it=value.begin();it!=value.end();++it) {
std::cout << it->first.as<std::string>() << " -> " << it->second.as<std::string>() << "\n";
}
std::cout << value << "\n";
return 0;
}