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authorrandomdan <randomdan@localhost>2012-03-30 20:03:42 +0000
committerrandomdan <randomdan@localhost>2012-03-30 20:03:42 +0000
commitfdd9af1cd827ee0db846cf234c1dffc324532833 (patch)
treea74030fcf4b86a178d54a90a5ec49269366aa198
parentRemove lots of specific implementations and replace them with our new generic... (diff)
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Fix default default value to not always be 'false', there can be no default
Add support for a [proposed] standard JSON-P presenter, inheritting the JSON presenter and adding the padding
-rw-r--r--project2/common/variables.cpp6
-rw-r--r--project2/json/conversion.h4
-rw-r--r--project2/json/presenter-p.cpp23
-rw-r--r--project2/json/presenter.cpp226
-rw-r--r--project2/json/presenter.h42
5 files changed, 208 insertions, 93 deletions
diff --git a/project2/common/variables.cpp b/project2/common/variables.cpp
index 7455e2c..8515e44 100644
--- a/project2/common/variables.cpp
+++ b/project2/common/variables.cpp
@@ -209,7 +209,11 @@ VariableType::isNull() const
VariableImplDyn::VariableImplDyn(ScriptNodePtr e)
{
if (e) {
- defaultValue = Variable(e, "default", false);
+ try {
+ defaultValue = Variable(e, "default");
+ }
+ catch (const ValueNotFound &) {
+ }
}
}
diff --git a/project2/json/conversion.h b/project2/json/conversion.h
index 31bfc8c..d875462 100644
--- a/project2/json/conversion.h
+++ b/project2/json/conversion.h
@@ -1,3 +1,6 @@
+#ifndef JSON_CONVERSION_H
+#define JSON_CONVERSION_H
+
#include "variables.h"
#include "json.h"
#include <boost/numeric/conversion/cast.hpp>
@@ -25,4 +28,5 @@ class JsonToProject2 : public boost::static_visitor<VariableType> {
}
};
+#endif
diff --git a/project2/json/presenter-p.cpp b/project2/json/presenter-p.cpp
new file mode 100644
index 0000000..2cd7e09
--- /dev/null
+++ b/project2/json/presenter-p.cpp
@@ -0,0 +1,23 @@
+#include <pch.hpp>
+#include "presenter.h"
+
+class Json_P_Presenter : public JsonPresenter {
+ public:
+ Json_P_Presenter(ScriptNodePtr s) :
+ JsonPresenter(s, "application/json-p"),
+ Callback(s, "callback") {
+ }
+
+ void writeTo(std::ostream & o, const std::string & encoding) const
+ {
+ o << Callback().as<Glib::ustring>();
+ o << "(";
+ JsonPresenter::writeTo(o, encoding);
+ o << ");";
+ }
+
+ private:
+ Variable Callback;
+
+};
+DECLARE_GENERIC_LOADER("json-p", PresenterLoader, Json_P_Presenter)
diff --git a/project2/json/presenter.cpp b/project2/json/presenter.cpp
index b76f232..06b9410 100644
--- a/project2/json/presenter.cpp
+++ b/project2/json/presenter.cpp
@@ -3,98 +3,140 @@
#include "json.h"
#include "conversion.h"
#include "transform.h"
+#include "presenter.h"
#include <stack>
-class JsonPresenter : public MultiRowSetPresenter, public ContentPresenter, public SourceOf<json::Object>, public WritableContent, public SourceOf<WritableContent> {
- public:
- JsonPresenter(ScriptNodePtr s) :
- TransformSource(s),
- ContentPresenter("application/json"),
- SourceOf<json::Object>(s),
- SourceOf<WritableContent>(s),
- returnObject(s, "object", Null()) {
- }
- void init()
- {
- while (!curRowSet.empty()) {
- curRowSet.pop();
- }
- object.clear();
- curRowSet.push(&object);
- while (!vaStack.empty()) {
- vaStack.pop();
- }
- vaStack.push(&JsonPresenter::addValueToObject);
- }
- typedef void (JsonPresenter::*ValueAdder)(const Glib::ustring &, const VariableType &) const;
- typedef std::stack<ValueAdder> ValueAdderStack;
- mutable ValueAdderStack vaStack;
- void addNamedValue(const Glib::ustring & name, const VariableType & value) const {
- (this->*vaStack.top())(name, value);
- }
- void addValueToObject(const Glib::ustring & name, const VariableType & value) const {
- (*curRowSet.top())[name] = json::ValuePtr(new json::Value(boost::apply_visitor(Project2ToJson(), value)));
- }
- void addValueToArray(const Glib::ustring &, const VariableType & value) const {
- curRowArray.top()->push_back(json::ValuePtr(new json::Value(boost::apply_visitor(Project2ToJson(), value))));
- }
- void addNewRow(const Glib::ustring &) const {
- json::Value * v = new json::Value(json::Object());
- curRowSet.push(boost::get<json::Object>(v));
- curRowArray.top()->push_back(json::ValuePtr(v));
- vaStack.push(&JsonPresenter::addValueToObject);
- }
- void finishRow() const {
- vaStack.pop();
- curRowSet.pop();
- }
- void addNewRowSet(const Glib::ustring & name) const {
- json::Value * v = new json::Value(json::Object());
- (*curRowSet.top())[name] = json::ValuePtr(v);
- curRowSet.push(boost::get<json::Object>(v));
- }
- void addNewRowSet(const Glib::ustring & name, const Glib::ustring & ns) const {
- addNewRowSet(ns + ":" + name);
- }
- void finishRowSet() const {
- curRowSet.pop();
- }
- void addNewArray(const Glib::ustring & name, bool) const {
- json::Value * v = new json::Value(json::Array());
- curRowArray.push(boost::get<json::Array>(v));
- (*curRowSet.top())[name] = json::ValuePtr(v);
- vaStack.push(&JsonPresenter::addValueToArray);
- }
- void finishArray(bool) const {
- vaStack.pop();
- curRowArray.pop();
- }
- operator const json::Object *() const {
- return &object;
- }
- operator const WritableContent * () const
- {
- return this;
- }
- Glib::ustring getContentType() const {
- return contentType;
- }
- Class getContentClass() const {
- return ClassData;
- }
- void writeTo(std::ostream & o, const std::string & encoding) const {
- if (returnObject().isNull()) {
- serializeObject(object, o, encoding);
- }
- else {
- serializeValue(*object[returnObject()], o, encoding);
- }
- }
-
- private:
- Variable returnObject;
- mutable json::Object object;
- mutable std::stack<json::Object *> curRowSet;
- mutable std::stack<json::Array *> curRowArray;
-};
+JsonPresenter::JsonPresenter(ScriptNodePtr s, const Glib::ustring & ct) :
+ TransformSource(s),
+ ContentPresenter(ct),
+ SourceOf<json::Object>(s),
+ SourceOf<WritableContent>(s),
+ returnObject(s, "object", Null()) {
+}
+
+JsonPresenter::JsonPresenter(ScriptNodePtr s) :
+ TransformSource(s),
+ ContentPresenter("application/json"),
+ SourceOf<json::Object>(s),
+ SourceOf<WritableContent>(s),
+ returnObject(s, "object", Null()) {
+}
+
+void
+JsonPresenter::init()
+{
+ while (!curRowSet.empty()) {
+ curRowSet.pop();
+ }
+ object.clear();
+ curRowSet.push(&object);
+ while (!vaStack.empty()) {
+ vaStack.pop();
+ }
+ vaStack.push(&JsonPresenter::addValueToObject);
+}
+
+void
+JsonPresenter::addNamedValue(const Glib::ustring & name, const VariableType & value) const
+{
+ (this->*vaStack.top())(name, value);
+}
+
+void
+JsonPresenter::addValueToObject(const Glib::ustring & name, const VariableType & value) const
+{
+ (*curRowSet.top())[name] = json::ValuePtr(new json::Value(boost::apply_visitor(Project2ToJson(), value)));
+}
+
+void
+JsonPresenter::addValueToArray(const Glib::ustring &, const VariableType & value) const
+{
+ curRowArray.top()->push_back(json::ValuePtr(new json::Value(boost::apply_visitor(Project2ToJson(), value))));
+}
+
+void
+JsonPresenter::addNewRow(const Glib::ustring &) const
+{
+ json::Value * v = new json::Value(json::Object());
+ curRowSet.push(boost::get<json::Object>(v));
+ curRowArray.top()->push_back(json::ValuePtr(v));
+ vaStack.push(&JsonPresenter::addValueToObject);
+}
+
+void
+JsonPresenter::finishRow() const
+{
+ vaStack.pop();
+ curRowSet.pop();
+}
+
+void
+JsonPresenter::addNewRowSet(const Glib::ustring & name) const
+{
+ json::Value * v = new json::Value(json::Object());
+ (*curRowSet.top())[name] = json::ValuePtr(v);
+ curRowSet.push(boost::get<json::Object>(v));
+}
+
+void
+JsonPresenter::addNewRowSet(const Glib::ustring & name, const Glib::ustring & ns) const
+{
+ addNewRowSet(ns + ":" + name);
+}
+
+void
+JsonPresenter::finishRowSet() const
+{
+ curRowSet.pop();
+}
+
+void
+JsonPresenter::addNewArray(const Glib::ustring & name, bool) const
+{
+ json::Value * v = new json::Value(json::Array());
+ curRowArray.push(boost::get<json::Array>(v));
+ (*curRowSet.top())[name] = json::ValuePtr(v);
+ vaStack.push(&JsonPresenter::addValueToArray);
+}
+
+void
+JsonPresenter::finishArray(bool) const
+{
+ vaStack.pop();
+ curRowArray.pop();
+}
+
+JsonPresenter::operator const json::Object *() const
+{
+ return &object;
+}
+
+JsonPresenter::operator const WritableContent * () const
+{
+ return this;
+}
+
+Glib::ustring
+JsonPresenter::getContentType() const
+{
+ return contentType;
+}
+
+WritableContent::Class
+JsonPresenter::getContentClass() const
+{
+ return ClassData;
+}
+
+void
+JsonPresenter::writeTo(std::ostream & o, const std::string & encoding) const
+{
+ if (returnObject().isNull()) {
+ serializeObject(object, o, encoding);
+ }
+ else {
+ serializeValue(*object[returnObject()], o, encoding);
+ }
+}
+
DECLARE_GENERIC_LOADER("json", PresenterLoader, JsonPresenter)
diff --git a/project2/json/presenter.h b/project2/json/presenter.h
new file mode 100644
index 0000000..c085524
--- /dev/null
+++ b/project2/json/presenter.h
@@ -0,0 +1,42 @@
+#ifndef JSON_PRESENTER_H
+#define JSON_PRESENTER_H
+
+#include "../common/presenter.h"
+#include "json.h"
+#include "conversion.h"
+#include "transform.h"
+#include <stack>
+
+class JsonPresenter : public MultiRowSetPresenter, public ContentPresenter, public SourceOf<json::Object>, public WritableContent, public SourceOf<WritableContent> {
+ public:
+ JsonPresenter(ScriptNodePtr s);
+ JsonPresenter(ScriptNodePtr s, const Glib::ustring &);
+ void init();
+ typedef void (JsonPresenter::*ValueAdder)(const Glib::ustring &, const VariableType &) const;
+ typedef std::stack<ValueAdder> ValueAdderStack;
+ mutable ValueAdderStack vaStack;
+ void addNamedValue(const Glib::ustring & name, const VariableType & value) const;
+ void addValueToObject(const Glib::ustring & name, const VariableType & value) const;
+ void addValueToArray(const Glib::ustring &, const VariableType & value) const;
+ void addNewRow(const Glib::ustring &) const;
+ void finishRow() const;
+ void addNewRowSet(const Glib::ustring & name) const;
+ void addNewRowSet(const Glib::ustring & name, const Glib::ustring & ns) const;
+ void finishRowSet() const;
+ void addNewArray(const Glib::ustring & name, bool) const;
+ void finishArray(bool) const;
+ operator const json::Object *() const;
+ operator const WritableContent * () const;
+ Glib::ustring getContentType() const;
+ Class getContentClass() const;
+ void writeTo(std::ostream & o, const std::string & encoding) const;
+
+ private:
+ Variable returnObject;
+ mutable json::Object object;
+ mutable std::stack<json::Object *> curRowSet;
+ mutable std::stack<json::Array *> curRowArray;
+};
+
+#endif
+