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Diffstat (limited to 'example/archiver/archiver.cpp')
| -rw-r--r-- | example/archiver/archiver.cpp | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/example/archiver/archiver.cpp b/example/archiver/archiver.cpp deleted file mode 100644 index 59ae4c4..0000000 --- a/example/archiver/archiver.cpp +++ /dev/null @@ -1,292 +0,0 @@ -#include "archiver.h" -#include <cassert> -#include <stack> -#include "rapidjson/document.h" -#include "rapidjson/prettywriter.h" -#include "rapidjson/stringbuffer.h" - -using namespace rapidjson; - -struct JsonReaderStackItem { - enum State { - BeforeStart, //!< An object/array is in the stack but it is not yet called by StartObject()/StartArray(). - Started, //!< An object/array is called by StartObject()/StartArray(). - Closed //!< An array is closed after read all element, but before EndArray(). - }; - - JsonReaderStackItem(const Value* value, State state) : value(value), state(state), index() {} - - const Value* value; - State state; - SizeType index; // For array iteration -}; - -typedef std::stack<JsonReaderStackItem> JsonReaderStack; - -#define DOCUMENT reinterpret_cast<Document*>(mDocument) -#define STACK (reinterpret_cast<JsonReaderStack*>(mStack)) -#define TOP (STACK->top()) -#define CURRENT (*TOP.value) - -JsonReader::JsonReader(const char* json) : mDocument(), mStack(), mError(false) { - mDocument = new Document; - DOCUMENT->Parse(json); - if (DOCUMENT->HasParseError()) - mError = true; - else { - mStack = new JsonReaderStack; - STACK->push(JsonReaderStackItem(DOCUMENT, JsonReaderStackItem::BeforeStart)); - } -} - -JsonReader::~JsonReader() { - delete DOCUMENT; - delete STACK; -} - -// Archive concept -JsonReader& JsonReader::StartObject() { - if (!mError) { - if (CURRENT.IsObject() && TOP.state == JsonReaderStackItem::BeforeStart) - TOP.state = JsonReaderStackItem::Started; - else - mError = true; - } - return *this; -} - -JsonReader& JsonReader::EndObject() { - if (!mError) { - if (CURRENT.IsObject() && TOP.state == JsonReaderStackItem::Started) - Next(); - else - mError = true; - } - return *this; -} - -JsonReader& JsonReader::Member(const char* name) { - if (!mError) { - if (CURRENT.IsObject() && TOP.state == JsonReaderStackItem::Started) { - Value::ConstMemberIterator memberItr = CURRENT.FindMember(name); - if (memberItr != CURRENT.MemberEnd()) - STACK->push(JsonReaderStackItem(&memberItr->value, JsonReaderStackItem::BeforeStart)); - else - mError = true; - } - else - mError = true; - } - return *this; -} - -bool JsonReader::HasMember(const char* name) const { - if (!mError && CURRENT.IsObject() && TOP.state == JsonReaderStackItem::Started) - return CURRENT.HasMember(name); - return false; -} - -JsonReader& JsonReader::StartArray(size_t* size) { - if (!mError) { - if (CURRENT.IsArray() && TOP.state == JsonReaderStackItem::BeforeStart) { - TOP.state = JsonReaderStackItem::Started; - if (size) - *size = CURRENT.Size(); - - if (!CURRENT.Empty()) { - const Value* value = &CURRENT[TOP.index]; - STACK->push(JsonReaderStackItem(value, JsonReaderStackItem::BeforeStart)); - } - else - TOP.state = JsonReaderStackItem::Closed; - } - else - mError = true; - } - return *this; -} - -JsonReader& JsonReader::EndArray() { - if (!mError) { - if (CURRENT.IsArray() && TOP.state == JsonReaderStackItem::Closed) - Next(); - else - mError = true; - } - return *this; -} - -JsonReader& JsonReader::operator&(bool& b) { - if (!mError) { - if (CURRENT.IsBool()) { - b = CURRENT.GetBool(); - Next(); - } - else - mError = true; - } - return *this; -} - -JsonReader& JsonReader::operator&(unsigned& u) { - if (!mError) { - if (CURRENT.IsUint()) { - u = CURRENT.GetUint(); - Next(); - } - else - mError = true; - } - return *this; -} - -JsonReader& JsonReader::operator&(int& i) { - if (!mError) { - if (CURRENT.IsInt()) { - i = CURRENT.GetInt(); - Next(); - } - else - mError = true; - } - return *this; -} - -JsonReader& JsonReader::operator&(double& d) { - if (!mError) { - if (CURRENT.IsNumber()) { - d = CURRENT.GetDouble(); - Next(); - } - else - mError = true; - } - return *this; -} - -JsonReader& JsonReader::operator&(std::string& s) { - if (!mError) { - if (CURRENT.IsString()) { - s = CURRENT.GetString(); - Next(); - } - else - mError = true; - } - return *this; -} - -JsonReader& JsonReader::SetNull() { - // This function is for JsonWriter only. - mError = true; - return *this; -} - -void JsonReader::Next() { - if (!mError) { - assert(!STACK->empty()); - STACK->pop(); - - if (!STACK->empty() && CURRENT.IsArray()) { - if (TOP.state == JsonReaderStackItem::Started) { // Otherwise means reading array item pass end - if (TOP.index < CURRENT.Size() - 1) { - const Value* value = &CURRENT[++TOP.index]; - STACK->push(JsonReaderStackItem(value, JsonReaderStackItem::BeforeStart)); - } - else - TOP.state = JsonReaderStackItem::Closed; - } - else - mError = true; - } - } -} - -#undef DOCUMENT -#undef STACK -#undef TOP -#undef CURRENT - -//////////////////////////////////////////////////////////////////////////////// -// JsonWriter - -#define WRITER reinterpret_cast<PrettyWriter<StringBuffer>*>(mWriter) -#define STREAM reinterpret_cast<StringBuffer*>(mStream) - -JsonWriter::JsonWriter() : mWriter(), mStream() { - mStream = new StringBuffer; - mWriter = new PrettyWriter<StringBuffer>(*STREAM); -} - -JsonWriter::~JsonWriter() { - delete WRITER; - delete STREAM; -} - -const char* JsonWriter::GetString() const { - return STREAM->GetString(); -} - -JsonWriter& JsonWriter::StartObject() { - WRITER->StartObject(); - return *this; -} - -JsonWriter& JsonWriter::EndObject() { - WRITER->EndObject(); - return *this; -} - -JsonWriter& JsonWriter::Member(const char* name) { - WRITER->String(name, static_cast<SizeType>(strlen(name))); - return *this; -} - -bool JsonWriter::HasMember(const char*) const { - // This function is for JsonReader only. - assert(false); - return false; -} - -JsonWriter& JsonWriter::StartArray(size_t*) { - WRITER->StartArray(); - return *this; -} - -JsonWriter& JsonWriter::EndArray() { - WRITER->EndArray(); - return *this; -} - -JsonWriter& JsonWriter::operator&(bool& b) { - WRITER->Bool(b); - return *this; -} - -JsonWriter& JsonWriter::operator&(unsigned& u) { - WRITER->Uint(u); - return *this; -} - -JsonWriter& JsonWriter::operator&(int& i) { - WRITER->Int(i); - return *this; -} - -JsonWriter& JsonWriter::operator&(double& d) { - WRITER->Double(d); - return *this; -} - -JsonWriter& JsonWriter::operator&(std::string& s) { - WRITER->String(s.c_str(), static_cast<SizeType>(s.size())); - return *this; -} - -JsonWriter& JsonWriter::SetNull() { - WRITER->Null(); - return *this; -} - -#undef STREAM -#undef WRITER |