mirror of https://github.com/odrling/Aegisub
261 lines
7.1 KiB
C++
261 lines
7.1 KiB
C++
// Copyright (c) 2010, Amar Takhar <verm@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// $Id$
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/// @file option.cpp
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/// @brief Option interface.
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/// @ingroup libaegisub
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#ifndef LAGI_PRE
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#include <fstream>
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#include <sstream>
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#include <map>
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#include <memory>
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#include "libaegisub/cajun/reader.h"
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#include "libaegisub/cajun/writer.h"
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#include "libaegisub/cajun/elements.h"
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#endif
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#include "libaegisub/access.h"
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#include "libaegisub/io.h"
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#include "libaegisub/log.h"
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#include "option_visit.h"
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namespace agi {
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Options::Options(const std::string &file, const std::string& default_config, const OptionSetting setting):
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config_file(file), config_default(default_config), config_loaded(false), setting(setting) {
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LOG_D("agi/options") << "New Options object";
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std::istringstream stream(default_config);
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LoadConfig(stream);
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}
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Options::~Options() {
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if ((setting & FLUSH_SKIP) != FLUSH_SKIP) {
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Flush();
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}
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for (OptionValueMap::iterator i = values.begin(); i != values.end(); i++) {
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delete i->second;
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}
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}
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void Options::ConfigNext(std::istream& stream) {
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LoadConfig(stream);
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}
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void Options::ConfigUser() {
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std::auto_ptr<std::istream> stream;
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try {
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stream.reset(agi::io::Open(config_file));
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} catch (const acs::AcsNotFound&) {
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return;
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}
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/// @todo Handle other errors such as parsing and notifying the user.
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LoadConfig(*stream);
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config_loaded = true;
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}
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void Options::LoadConfig(std::istream& stream) {
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/// @todo Store all previously loaded configs in an array for bug report purposes,
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/// this is just a temp stub.
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json::UnknownElement config_root;
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try {
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json::Reader::Read(config_root, stream);
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} catch (json::Reader::ParseException& e) {
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std::cout << "json::ParseException: " << e.what() << ", Line/offset: " << e.m_locTokenBegin.m_nLine + 1 << '/' << e.m_locTokenBegin.m_nLineOffset + 1 << std::endl << std::endl;
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} catch (json::Exception& e) {
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/// @todo Do something better here, maybe print the exact error
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std::cout << "json::Exception: " << e.what() << std::endl;
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}
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ConfigVisitor config_visitor(values, std::string(""));
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config_root.Accept(config_visitor);
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}
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OptionValue* Options::Get(const std::string &name) {
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OptionValueMap::iterator index;
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if ((index = values.find(name)) != values.end())
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return index->second;
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std::cout << "agi::Options::Get Option not found: (" << name << ")" << std::endl;
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throw OptionErrorNotFound("Option value not found");
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}
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void Options::Flush() {
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json::Object obj_out;
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bool ok;
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for (OptionValueMap::const_iterator i = values.begin(); i != values.end(); ++i) {
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std::string key = i->first.substr(i->first.rfind("/")+1, i->first.size());
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int type = i->second->GetType();
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switch (type) {
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case OptionValue::Type_String: {
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ok = PutOption(obj_out, i->first, (json::String)i->second->GetString());
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}
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break;
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case OptionValue::Type_Int:
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ok = PutOption(obj_out, i->first, (json::Number)(const double)i->second->GetInt());
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break;
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case OptionValue::Type_Double:
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ok = PutOption(obj_out, i->first, (json::Number)i->second->GetDouble());
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break;
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case OptionValue::Type_Colour: {
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std::string str = std::string(i->second->GetColour());
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ok = PutOption(obj_out, i->first, (json::String)str);
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}
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break;
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case OptionValue::Type_Bool:
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ok = PutOption(obj_out, i->first, (json::Boolean)i->second->GetBool());
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break;
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case OptionValue::Type_List_String: {
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std::vector<std::string> array_string;
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i->second->GetListString(array_string);
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json::Array array;
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for (std::vector<std::string>::const_iterator i_str = array_string.begin(); i_str != array_string.end(); ++i_str) {
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json::Object obj;
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obj["string"] = json::String(*i_str);
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array.Insert(obj);
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}
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ok = PutOption(obj_out, i->first, (json::Array)array);
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}
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break;
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case OptionValue::Type_List_Int: {
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std::vector<int64_t> array_int;
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i->second->GetListInt(array_int);
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json::Array array;
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for (std::vector<int64_t>::const_iterator i_int = array_int.begin(); i_int != array_int.end(); ++i_int) {
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json::Object obj;
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obj["int"] = json::Number((const double)*i_int);
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array.Insert(obj);
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}
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ok = PutOption(obj_out, i->first, (json::Array)array);
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}
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break;
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case OptionValue::Type_List_Double: {
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std::vector<double> array_double;
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i->second->GetListDouble(array_double);
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json::Array array;
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for (std::vector<double>::const_iterator i_double = array_double.begin(); i_double != array_double.end(); ++i_double) {
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json::Object obj;
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obj["double"] = json::Number(*i_double);
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array.Insert(obj);
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}
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ok = PutOption(obj_out, i->first, (json::Array)array);
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}
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break;
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case OptionValue::Type_List_Colour: {
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std::vector<Colour> array_colour;
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i->second->GetListColour(array_colour);
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json::Array array;
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for (std::vector<Colour>::const_iterator i_colour = array_colour.begin(); i_colour != array_colour.end(); ++i_colour) {
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json::Object obj;
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Colour col = *i_colour;
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std::string str = std::string(col);
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obj["colour"] = json::String(str);
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array.Insert(obj);
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}
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ok = PutOption(obj_out, i->first, (json::Array)array);
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}
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break;
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case OptionValue::Type_List_Bool: {
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std::vector<bool> array_bool;
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json::Array array;
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i->second->GetListBool(array_bool);
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for (std::vector<bool>::const_iterator i_bool = array_bool.begin(); i_bool != array_bool.end(); ++i_bool) {
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json::Object obj;
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obj["bool"] = json::Boolean(*i_bool);
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array.Insert(obj);
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}
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ok = PutOption(obj_out, i->first, (json::Array)array);
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}
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break;
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}
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}
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io::Save file(config_file);
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json::Writer::Write(obj_out, file.Get());
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}
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bool Options::PutOption(json::Object &obj, const std::string &path, const json::UnknownElement &value) {
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// Having a '/' denotes it is a leaf.
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if (path.find('/') == std::string::npos) {
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json::Object::iterator pos = obj.Find(path);
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// Fail if a key of the same name already exists.
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if (pos != obj.End())
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throw OptionErrorDuplicateKey("Key already exists");
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obj.Insert(json::Object::Member(path, value));
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return true;
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} else {
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std::string thispart = path.substr(0, path.find("/"));
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std::string restpart = path.substr(path.find("/")+1, path.size());
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json::Object::iterator pos = obj.Find(thispart);
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// New key, make object.
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if (pos == obj.End())
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pos = obj.Insert(json::Object::Member(thispart, json::Object()));
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PutOptionVisitor visitor(restpart, value);
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pos->element.Accept(visitor);
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return visitor.result;
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}
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}
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} // namespace agi
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