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Plist.cpp
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Plist.cpp
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//
// PlistCpp Property List (plist) serialization and parsing library.
//
// https://github.com/animetrics/PlistCpp
//
// Copyright (c) 2011 Animetrics Inc. ([email protected])
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#include "Plist.hpp"
#include <boost/locale/encoding_utf.hpp>
#include <list>
#include <sstream>
#include "base64.hpp"
#include "pugixml.hpp"
extern bool binPlistFile;
namespace Plist {
struct PlistHelperData {
public:
// binary helper data
std::vector<int32_t> _offsetTable;
std::vector<unsigned char> _objectTable;
int32_t _offsetByteSize;
int64_t _offsetTableOffset;
int32_t _objRefSize;
int32_t _refCount;
};
void writePlistBinary(PlistHelperData& d, const boost::any& message);
void writePlistXML(pugi::xml_document& doc, const boost::any& message);
// helper functions
// msvc <= 2005 doesn't have std::vector::data() method
template <typename T>
T* vecData(std::vector<T>& vec) {
return (vec.size() > 0) ? &vec[0] : 0;
// if(vec.size() > 0)
// return &vec[0];
// else
// throw Error("vecData trying to get pointer to empty
// std::vector");
}
template <typename T>
const T* vecData(const std::vector<T>& vec) {
return (vec.size() > 0) ? &vec[0] : 0;
// if(vec.size() > 0)
// return &vec[0];
// else
// throw Error("vecData trying to get pointer to empty
// std::vector");
}
// xml helper functions
template <typename T>
std::string stringFromValue(const T& value);
template <typename T>
void writeXMLSimpleNode(pugi::xml_node& node, const char* name,
const boost::any& obj);
// xml parsing
dictionary_type parseDictionary(pugi::xml_node& node);
array_type parseArray(pugi::xml_node& node);
std::vector<char> base64Decode(const char* data);
void base64Encode(std::string& dataEncoded, const std::vector<char>& data);
Date parseDate(pugi::xml_node& node);
boost::any parse(pugi::xml_node& doc);
// xml writing
void writeXMLArray(pugi::xml_node& node, const array_type& array);
void writeXMLDictionary(pugi::xml_node& node, const dictionary_type& message);
void writeXMLNode(pugi::xml_node& node, const boost::any& obj);
// binary helper functions
template <typename IntegerType>
IntegerType bytesToInt(const unsigned char* bytes, bool littleEndian);
double bytesToDouble(const unsigned char* bytes, bool littleEndian);
std::vector<unsigned char> doubleToBytes(double val, bool littleEndian);
template <typename IntegerType>
std::vector<unsigned char> intToBytes(IntegerType val, bool littleEndian);
std::vector<unsigned char> getRange(const unsigned char* origBytes,
int64_t index, int64_t size);
std::vector<unsigned char> getRange(const std::vector<unsigned char>& origBytes,
int64_t index, int64_t size);
std::vector<char> getRange(const char* origBytes, int64_t index, int64_t size);
// binary parsing
boost::any parseBinary(const PlistHelperData& d, int objRef);
dictionary_type parseBinaryDictionary(const PlistHelperData& d, int objRef);
array_type parseBinaryArray(const PlistHelperData& d, int objRef);
std::vector<int32_t> getRefsForContainers(const PlistHelperData& d, int objRef);
int64_t parseBinaryInt(const PlistHelperData& d, int headerPosition,
int& intByteCount);
double parseBinaryReal(const PlistHelperData& d, int headerPosition);
Date parseBinaryDate(const PlistHelperData& d, int headerPosition);
bool parseBinaryBool(const PlistHelperData& d, int headerPosition);
std::string parseBinaryString(const PlistHelperData& d, int objRef);
std::string parseBinaryUnicode(const PlistHelperData& d, int headerPosition);
data_type parseBinaryByteArray(const PlistHelperData& d, int headerPosition);
std::vector<unsigned char> regulateNullBytes(
const std::vector<unsigned char>& origBytes, unsigned int minBytes);
void parseTrailer(PlistHelperData& d,
const std::vector<unsigned char>& trailer);
void parseOffsetTable(PlistHelperData& d,
const std::vector<unsigned char>& offsetTableBytes);
int32_t getCount(const PlistHelperData& d, int bytePosition,
unsigned char headerByte, int& startOffset);
// binary writing
int countAny(const boost::any& object);
int countDictionary(const dictionary_type& dictionary);
int countArray(const array_type& array);
std::vector<unsigned char> writeBinaryDictionary(
PlistHelperData& d, const dictionary_type& dictionary);
std::vector<unsigned char> writeBinaryArray(PlistHelperData& d,
const array_type& array);
std::vector<unsigned char> writeBinaryByteArray(PlistHelperData& d,
const data_type& byteArray);
std::vector<unsigned char> writeBinaryInteger(PlistHelperData& d, int64_t value,
bool write);
std::vector<unsigned char> writeBinaryBool(PlistHelperData& d, bool value);
std::vector<unsigned char> writeBinaryDate(PlistHelperData& d,
const Date& date);
std::vector<unsigned char> writeBinaryDouble(PlistHelperData& d, double value);
std::vector<unsigned char> writeBinary(PlistHelperData& d,
const boost::any& obj);
std::vector<unsigned char> writeBinaryString(PlistHelperData& d,
const std::string& value,
bool head);
inline bool hostLittleEndian() {
union {
uint32_t x;
uint8_t c[4];
} u;
u.x = 0xab0000cd;
return u.c[0] == 0xcd;
}
} // namespace Plist
namespace Plist {
template <typename T>
void writeXMLSimpleNode(pugi::xml_node& node, const char* name,
const boost::any& obj) {
pugi::xml_node newNode;
newNode = node.append_child(name);
newNode.append_child(pugi::node_pcdata)
.set_value(stringFromValue(boost::any_cast<const T&>(obj)).c_str());
}
void writeXMLNode(pugi::xml_node& node, const boost::any& obj) {
using namespace std;
const std::type_info& objType = obj.type();
if (objType == typeid(int32_t))
writeXMLSimpleNode<int32_t>(node, "integer", obj);
else if (objType == typeid(int64_t))
writeXMLSimpleNode<int64_t>(node, "integer", obj);
else if (objType == typeid(long))
writeXMLSimpleNode<long>(node, "integer", obj);
else if (objType == typeid(short))
writeXMLSimpleNode<short>(node, "integer", obj);
else if (objType == typeid(dictionary_type))
writeXMLDictionary(node, boost::any_cast<const dictionary_type&>(obj));
else if (objType == typeid(string_type))
writeXMLSimpleNode<string_type>(node, "string", obj);
else if (objType == typeid(array_type))
writeXMLArray(node, boost::any_cast<const array_type&>(obj));
else if (objType == typeid(data_type)) {
string dataEncoded;
base64Encode(dataEncoded, boost::any_cast<const data_type&>(obj));
writeXMLSimpleNode<string>(node, "data", dataEncoded);
} else if (objType == typeid(double))
writeXMLSimpleNode<double>(node, "real", obj);
else if (objType == typeid(float))
writeXMLSimpleNode<float>(node, "real", obj);
else if (objType == typeid(Date))
writeXMLSimpleNode<string>(
node, "date", boost::any_cast<const Date&>(obj).timeAsXMLConvention());
else if (objType == typeid(bool)) {
bool value = boost::any_cast<const bool&>(obj);
node.append_child(value ? "true" : "false");
} else
throw Error((string("Plist Error: Can't serialize type ") + objType.name())
.c_str());
}
void writeXMLArray(pugi::xml_node& node, const array_type& array) {
using namespace std;
pugi::xml_node newNode = node.append_child("array");
for (array_type::const_iterator it = array.begin(); it != array.end(); ++it)
writeXMLNode(newNode, *it);
}
void writeXMLDictionary(pugi::xml_node& node, const dictionary_type& message) {
using namespace std;
pugi::xml_node newNode = node.append_child("dict");
for (dictionary_type::const_iterator it = message.begin();
it != message.end(); ++it) {
pugi::xml_node keyNode = newNode.append_child("key");
keyNode.append_child(pugi::node_pcdata).set_value(it->first.c_str());
writeXMLNode(newNode, it->second);
}
}
void writePlistXML(pugi::xml_document& doc, const boost::any& message)
// const dictionary_type& message)
{
// declaration node
pugi::xml_node decNode = doc.append_child(pugi::node_declaration);
decNode.append_attribute("version") = "1.0";
decNode.append_attribute("encoding") = "UTF-8";
// doctype node
doc.append_child(pugi::node_doctype)
.set_value(
"plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" "
"\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\"");
// root node
pugi::xml_node plistNode = doc.append_child("plist");
plistNode.append_attribute("version") = "1.0";
writeXMLNode(plistNode, message);
}
void writePlistBinary(PlistHelperData& d, const boost::any& message) {
using namespace std;
// int totalRefs = countDictionary(message);
int totalRefs = countAny(message) - 1;
d._refCount = totalRefs;
d._objRefSize =
regulateNullBytes(intToBytes<int32_t>(d._refCount, hostLittleEndian()), 1)
.size();
// writeBinaryDictionary(d, message);
writeBinary(d, message);
writeBinaryString(d, "bplist00", false);
d._offsetTableOffset = (int64_t)d._objectTable.size();
d._offsetTable.push_back(d._objectTable.size() - 8);
d._offsetByteSize =
regulateNullBytes(
intToBytes<int>(d._offsetTable.back(), hostLittleEndian()), 1)
.size();
vector<unsigned char> offsetBytes;
reverse(d._offsetTable.begin(), d._offsetTable.end());
for (unsigned int i = 0; i < d._offsetTable.size(); ++i) {
d._offsetTable[i] = d._objectTable.size() - d._offsetTable[i];
vector<unsigned char> buffer = regulateNullBytes(
intToBytes<int>(d._offsetTable[i], hostLittleEndian()),
d._offsetByteSize);
// reverse(buffer.begin(), buffer.end());
offsetBytes.insert(offsetBytes.end(), buffer.rbegin(), buffer.rend());
}
d._objectTable.insert(d._objectTable.end(), offsetBytes.begin(),
offsetBytes.end());
vector<unsigned char> dummy(6, 0);
d._objectTable.insert(d._objectTable.end(), dummy.begin(), dummy.end());
d._objectTable.push_back((unsigned char)(d._offsetByteSize));
d._objectTable.push_back((unsigned char)(d._objRefSize));
vector<unsigned char> temp =
intToBytes<int64_t>((int64_t)totalRefs + 1, hostLittleEndian());
d._objectTable.insert(d._objectTable.end(), temp.rbegin(), temp.rend());
temp = intToBytes<int64_t>(0, hostLittleEndian());
d._objectTable.insert(d._objectTable.end(), temp.begin(), temp.end());
temp = intToBytes<int64_t>(d._offsetTableOffset, hostLittleEndian());
d._objectTable.insert(d._objectTable.end(), temp.rbegin(), temp.rend());
}
void writePlistBinary(std::vector<char>& plist, const boost::any& message) {
PlistHelperData d;
writePlistBinary(d, message);
plist.resize(d._objectTable.size());
std::copy((const char*)vecData(d._objectTable),
(const char*)vecData(d._objectTable) + d._objectTable.size(),
plist.begin());
}
void writePlistBinary(std::ostream& stream, const boost::any& message) {
PlistHelperData d;
writePlistBinary(d, message);
stream.write((const char*)vecData(d._objectTable), d._objectTable.size());
}
void writePlistBinary(const char* filename, const boost::any& message) {
std::ofstream stream(filename, std::ios::binary);
writePlistBinary(stream, message);
stream.close();
}
#if defined(_MSC_VER)
void writePlistBinary(const wchar_t* filename, const boost::any& message) {
std::ofstream stream(filename, std::ios::binary);
writePlistBinary(stream, message);
stream.close();
}
#endif
void writePlistXML(std::vector<char>& plist, const boost::any& message) {
std::stringstream ss;
writePlistXML(ss, message);
std::istreambuf_iterator<char> beg(ss);
std::istreambuf_iterator<char> end;
plist.clear();
plist.insert(plist.begin(), beg, end);
}
void writePlistXML(std::ostream& stream, const boost::any& message) {
pugi::xml_document doc;
writePlistXML(doc, message);
doc.save(stream);
}
void writePlistXML(const char* filename, const boost::any& message) {
std::ofstream stream(filename, std::ios::binary);
writePlistXML(stream, message);
stream.close();
}
#if defined(_MSC_VER)
void writePlistXML(const wchar_t* filename, const boost::any& message) {
std::ofstream stream(filename, std::ios::binary);
writePlistXML(stream, message);
stream.close();
}
#endif
int countAny(const boost::any& object) {
using namespace std;
static boost::any dict = dictionary_type();
static boost::any array = array_type();
int count = 0;
if (object.type() == dict.type())
count += countDictionary(boost::any_cast<dictionary_type>(object)) + 1;
else if (object.type() == array.type())
count += countArray(boost::any_cast<array_type>(object)) + 1;
else
++count;
return count;
}
std::vector<unsigned char> writeBinary(PlistHelperData& d,
const boost::any& obj) {
using namespace std;
const std::type_info& objType = obj.type();
std::vector<unsigned char> value;
if (objType == typeid(int32_t))
value = writeBinaryInteger(d, boost::any_cast<const int32_t&>(obj), true);
else if (objType == typeid(int64_t))
value = writeBinaryInteger(d, boost::any_cast<const int64_t&>(obj), true);
else if (objType == typeid(long))
value = writeBinaryInteger(d, boost::any_cast<const long&>(obj), true);
else if (objType == typeid(short))
value = writeBinaryInteger(d, boost::any_cast<const short&>(obj), true);
else if (objType == typeid(dictionary_type))
value =
writeBinaryDictionary(d, boost::any_cast<const dictionary_type&>(obj));
else if (objType == typeid(string))
value = writeBinaryString(d, boost::any_cast<const string&>(obj), true);
else if (objType == typeid(array_type))
value = writeBinaryArray(d, boost::any_cast<const array_type&>(obj));
else if (objType == typeid(data_type))
value = writeBinaryByteArray(d, boost::any_cast<const data_type&>(obj));
else if (objType == typeid(double))
value = writeBinaryDouble(d, boost::any_cast<const double&>(obj));
else if (objType == typeid(float))
value = writeBinaryDouble(d, boost::any_cast<const float&>(obj));
else if (objType == typeid(Date))
value = writeBinaryDate(d, boost::any_cast<const Date&>(obj));
else if (objType == typeid(bool))
value = writeBinaryBool(d, boost::any_cast<const bool&>(obj));
else
throw Error((string("Plist Error: Can't serialize type ") + objType.name())
.c_str());
return value;
}
static uint32_t nextpow2(uint32_t x) {
--x;
x |= x >> 1;
x |= x >> 2;
x |= x >> 4;
x |= x >> 8;
x |= x >> 16;
return x + 1;
}
static uint32_t ilog2(uint32_t x) {
uint32_t r = 0;
while (x >>= 1) ++r;
return r;
}
std::vector<unsigned char> writeBinaryByteArray(PlistHelperData& d,
const data_type& byteArray) {
using namespace std;
vector<unsigned char> header;
if (byteArray.size() < 15)
header.push_back(0x40 | ((unsigned char)byteArray.size()));
else {
header.push_back(0x40 | 0xf);
vector<unsigned char> theSize =
writeBinaryInteger(d, byteArray.size(), false);
header.insert(header.end(), theSize.begin(), theSize.end());
}
vector<unsigned char> buffer(header);
buffer.insert(buffer.end(), (unsigned char*)vecData(byteArray),
(unsigned char*)vecData(byteArray) + byteArray.size());
d._objectTable.insert(d._objectTable.begin(), buffer.begin(), buffer.end());
return buffer;
}
std::vector<unsigned char> writeBinaryArray(PlistHelperData& d,
const array_type& array) {
using namespace std;
vector<int32_t> refs;
for (array_type::const_reverse_iterator it = array.rbegin();
it != array.rend(); ++it) {
writeBinary(d, *it);
d._offsetTable.push_back(d._objectTable.size());
refs.push_back(d._refCount);
d._refCount--;
}
vector<unsigned char> header;
if (array.size() < 15) {
header.push_back(0xA0 | ((unsigned char)array.size()));
} else {
header.push_back(0xA0 | 0xf);
vector<unsigned char> theSize = writeBinaryInteger(d, array.size(), false);
header.insert(header.end(), theSize.begin(), theSize.end());
}
// try to do this more efficiently. Not good to insert at the begining of
// buffer.
vector<unsigned char> buffer;
for (vector<int32_t>::const_iterator it = refs.begin(); it != refs.end();
++it) {
vector<unsigned char> refBuffer = regulateNullBytes(
intToBytes<int32_t>(*it, hostLittleEndian()), d._objRefSize);
// reverse(refBuffer.begin(), refBuffer.end());
buffer.insert(buffer.begin(), refBuffer.rbegin(), refBuffer.rend());
}
buffer.insert(buffer.begin(), header.begin(), header.end());
d._objectTable.insert(d._objectTable.begin(), buffer.begin(), buffer.end());
return buffer;
}
std::vector<unsigned char> writeBinaryDictionary(
PlistHelperData& d, const dictionary_type& dictionary) {
using namespace std;
vector<int32_t> refs;
for (dictionary_type::const_reverse_iterator it = dictionary.rbegin();
it != dictionary.rend(); ++it) {
writeBinary(d, it->second);
d._offsetTable.push_back(d._objectTable.size());
refs.push_back(d._refCount);
d._refCount--;
}
for (dictionary_type::const_reverse_iterator it = dictionary.rbegin();
it != dictionary.rend(); ++it) {
writeBinary(d, it->first);
d._offsetTable.push_back(d._objectTable.size());
refs.push_back(d._refCount);
d._refCount--;
}
vector<unsigned char> header;
if (dictionary.size() < 15) {
header.push_back(0xD0 | ((unsigned char)dictionary.size()));
} else {
header.push_back(0xD0 | 0xf);
vector<unsigned char> theSize =
writeBinaryInteger(d, dictionary.size(), false);
header.insert(header.end(), theSize.begin(), theSize.end());
}
// try to do this more efficiently. Not good to insert at the begining of
// buffer.
vector<unsigned char> buffer;
for (vector<int32_t>::const_iterator it = refs.begin(); it != refs.end();
++it) {
vector<unsigned char> refBuffer = regulateNullBytes(
intToBytes<int32_t>(*it, hostLittleEndian()), d._objRefSize);
// reverse(refBuffer.begin(), refBuffer.end());
buffer.insert(buffer.begin(), refBuffer.rbegin(), refBuffer.rend());
}
buffer.insert(buffer.begin(), header.begin(), header.end());
d._objectTable.insert(d._objectTable.begin(), buffer.begin(), buffer.end());
return buffer;
}
std::vector<unsigned char> writeBinaryDouble(PlistHelperData& d, double value) {
using namespace std;
vector<unsigned char> buffer =
regulateNullBytes(doubleToBytes(value, hostLittleEndian()), 4);
buffer.resize(nextpow2(buffer.size()), 0);
unsigned char header = 0x20 | ilog2(buffer.size());
buffer.push_back(header);
reverse(buffer.begin(), buffer.end());
d._objectTable.insert(d._objectTable.begin(), buffer.begin(), buffer.end());
return buffer;
}
std::vector<unsigned char> writeBinaryBool(PlistHelperData& d, bool value) {
std::vector<unsigned char> buffer;
if (value)
buffer.push_back(0x09);
else
buffer.push_back(0x08);
d._objectTable.insert(d._objectTable.begin(), buffer.begin(), buffer.end());
return buffer;
}
std::vector<unsigned char> writeBinaryDate(PlistHelperData& d,
const Date& date) {
std::vector<unsigned char> buffer;
// need to serialize as Apple epoch.
double macTime = date.timeAsAppleEpoch();
buffer = doubleToBytes(macTime, false);
buffer.insert(buffer.begin(), 0x33);
d._objectTable.insert(d._objectTable.begin(), buffer.begin(), buffer.end());
return buffer;
}
std::vector<unsigned char> writeBinaryInteger(PlistHelperData& d, int64_t value,
bool write) {
using namespace std;
// The integer is initially forced to be 64 bit because it must be serialized
// as 8 bytes if it is negative. If it is not negative, the
// regulateNullBytes step will reduce the representation down to the min
// power base 2 bytes needed to store it.
vector<unsigned char> buffer = intToBytes<int64_t>(value, hostLittleEndian());
buffer = regulateNullBytes(intToBytes<int64_t>(value, hostLittleEndian()), 1);
buffer.resize(nextpow2(buffer.size()), 0);
unsigned char header = 0x10 | ilog2(buffer.size());
buffer.push_back(header);
reverse(buffer.begin(), buffer.end());
if (write)
d._objectTable.insert(d._objectTable.begin(), buffer.begin(), buffer.end());
return buffer;
}
std::vector<unsigned char> writeBinaryString(PlistHelperData& d,
const std::string& value,
bool head) {
using namespace std;
vector<unsigned char> buffer;
buffer.reserve(value.size());
for (std::string::const_iterator it = value.begin(); it != value.end(); ++it)
buffer.push_back((unsigned char)*it);
if (head) {
vector<unsigned char> header;
if (value.length() < 15)
header.push_back(0x50 | ((unsigned char)value.length()));
else {
header.push_back(0x50 | 0xf);
vector<unsigned char> theSize =
writeBinaryInteger(d, buffer.size(), false);
header.insert(header.end(), theSize.begin(), theSize.end());
}
buffer.insert(buffer.begin(), header.begin(), header.end());
}
d._objectTable.insert(d._objectTable.begin(), buffer.begin(), buffer.end());
return buffer;
}
int countDictionary(const dictionary_type& dictionary) {
using namespace std;
int count = 0;
for (dictionary_type::const_iterator it = dictionary.begin();
it != dictionary.end(); ++it) {
++count;
count += countAny(it->second);
}
return count;
}
int countArray(const array_type& array) {
using namespace std;
int count = 0;
for (array_type::const_iterator it = array.begin(); it != array.end(); ++it)
count += countAny(*it);
return count;
}
void readPlist(std::istream& stream, boost::any& message) {
int start = stream.tellg();
stream.seekg(0, std::ifstream::end);
int size = ((int)stream.tellg()) - start;
if (size > 0) {
stream.seekg(0, std::ifstream::beg);
std::vector<char> buffer(size);
stream.read((char*)&buffer[0], size);
readPlist(&buffer[0], size, message);
} else {
throw Error("Can't read zero length data");
}
}
void readPlist(const char* byteArrayTemp, int64_t size, boost::any& message) {
using namespace std;
const unsigned char* byteArray = (const unsigned char*)byteArrayTemp;
if (!byteArray || (size == 0)) throw Error("Plist: Empty plist data");
// infer plist type from header. If it has the bplist00 header as first 8
// bytes, then it's a binary plist. Otherwise, assume it's XML
std::string magicHeader((const char*)byteArray, 8);
if (magicHeader == "bplist00") {
// binPlistFile = true;
PlistHelperData d;
parseTrailer(d, getRange(byteArray, size - 32, 32));
d._objectTable = getRange(byteArray, 0, d._offsetTableOffset);
std::vector<unsigned char> offsetTableBytes = getRange(
byteArray, d._offsetTableOffset, size - d._offsetTableOffset - 32);
parseOffsetTable(d, offsetTableBytes);
message = parseBinary(d, 0);
} else {
pugi::xml_document doc;
pugi::xml_parse_result result = doc.load_buffer(byteArray, (size_t)size);
if (!result)
throw Error(
(string("Plist: XML parsed with error ") + result.description())
.c_str());
pugi::xml_node rootNode = doc.child("plist").first_child();
message = parse(rootNode);
}
}
dictionary_type parseDictionary(pugi::xml_node& node) {
using namespace std;
dictionary_type dict;
for (pugi::xml_node_iterator it = node.begin(); it != node.end(); ++it) {
if (string("key") != it->name())
throw Error("Plist: XML dictionary key expected but not found");
string key(it->first_child().value());
++it;
if (it == node.end())
throw Error("Plist: XML dictionary value expected for key " + key +
"but not found");
else if (string("key") == it->name())
throw Error("Plist: XML dictionary value expected for key " + key +
"but found another key node");
dict[key] = parse(*it);
}
return dict;
}
array_type parseArray(pugi::xml_node& node) {
using namespace std;
array_type array;
for (pugi::xml_node_iterator it = node.begin(); it != node.end(); ++it)
array.push_back(parse(*it));
return array;
}
Date parseDate(pugi::xml_node& node) {
Date date;
date.setTimeFromXMLConvention(node.first_child().value());
return date;
}
std::vector<char> base64Decode(const char* encodedData) {
using namespace std;
vector<char> data;
insert_iterator<vector<char>> ii(data, data.begin());
base64<char> b64;
int state = 0;
b64.get(encodedData, encodedData + strlen(encodedData), ii, state);
return data;
}
void base64Encode(std::string& dataEncoded, const std::vector<char>& data) {
using namespace std;
dataEncoded.clear();
insert_iterator<string> ii(dataEncoded, dataEncoded.begin());
base64<char> b64;
int state = 0;
#if defined(_WIN32) || defined(_WIN64)
b64.put(data.begin(), data.end(), ii, state, base64<>::crlf());
#else
b64.put(data.begin(), data.end(), ii, state, base64<>::lf());
#endif
}
boost::any parse(pugi::xml_node& node) {
using namespace std;
string nodeName = node.name();
boost::any result;
if ("dict" == nodeName)
result = parseDictionary(node);
else if ("array" == nodeName)
result = parseArray(node);
else if ("string" == nodeName)
result = string(node.first_child().value());
else if ("integer" == nodeName)
result = (int64_t)atoll(node.first_child().value());
else if ("real" == nodeName)
result = atof(node.first_child().value());
else if ("false" == nodeName)
result = bool(false);
else if ("true" == nodeName)
result = bool(true);
else if ("data" == nodeName)
result = base64Decode(node.first_child().value());
else if ("date" == nodeName)
result = parseDate(node);
else
throw Error(string("Plist: XML unknown node type " + nodeName));
return result;
}
void parseOffsetTable(PlistHelperData& d,
const std::vector<unsigned char>& offsetTableBytes) {
for (unsigned int i = 0; i < offsetTableBytes.size();
i += d._offsetByteSize) {
std::vector<unsigned char> temp =
getRange(offsetTableBytes, i, d._offsetByteSize);
std::reverse(temp.begin(), temp.end());
d._offsetTable.push_back(bytesToInt<int32_t>(
vecData(regulateNullBytes(temp, 4)), hostLittleEndian()));
}
}
void parseTrailer(PlistHelperData& d,
const std::vector<unsigned char>& trailer) {
d._offsetByteSize = bytesToInt<int32_t>(
vecData(regulateNullBytes(getRange(trailer, 6, 1), 4)),
hostLittleEndian());
d._objRefSize = bytesToInt<int32_t>(
vecData(regulateNullBytes(getRange(trailer, 7, 1), 4)),
hostLittleEndian());
std::vector<unsigned char> refCountBytes = getRange(trailer, 12, 4);
// std::reverse(refCountBytes.begin(), refCountBytes.end());
d._refCount = bytesToInt<int32_t>(vecData(refCountBytes), false);
std::vector<unsigned char> offsetTableOffsetBytes = getRange(trailer, 24, 8);
// std::reverse(offsetTableOffsetBytes.begin(),
// offsetTableOffsetBytes.end());
d._offsetTableOffset =
bytesToInt<int64_t>(vecData(offsetTableOffsetBytes), false);
}
std::vector<unsigned char> regulateNullBytes(
const std::vector<unsigned char>& origBytes, unsigned int minBytes) {
std::vector<unsigned char> bytes(origBytes);
while ((bytes.back() == 0) && (bytes.size() > minBytes)) bytes.pop_back();
while (bytes.size() < minBytes) bytes.push_back(0);
return bytes;
}
boost::any parseBinary(const PlistHelperData& d, int objRef) {
unsigned char header = d._objectTable[d._offsetTable[objRef]];
switch (header & 0xF0) {
case 0x00: {
return parseBinaryBool(d, d._offsetTable[objRef]);
}
case 0x10: {
int intByteCount;
return parseBinaryInt(d, d._offsetTable[objRef], intByteCount);
}
case 0x20: {
return parseBinaryReal(d, d._offsetTable[objRef]);
}
case 0x30: {
return parseBinaryDate(d, d._offsetTable[objRef]);
}
case 0x40: {
return parseBinaryByteArray(d, d._offsetTable[objRef]);
}
case 0x50: {
return parseBinaryString(d, d._offsetTable[objRef]);
}
case 0x60: {
return parseBinaryUnicode(d, d._offsetTable[objRef]);
}
case 0xD0: {
return parseBinaryDictionary(d, objRef);
}
case 0xA0: {
return parseBinaryArray(d, objRef);
}
}
throw Error("This type is not supported");
}
std::vector<int32_t> getRefsForContainers(const PlistHelperData& d,
int objRef) {
using namespace std;
int32_t refCount = 0;
int refStartPosition;
refCount = getCount(d, d._offsetTable[objRef],
d._objectTable[d._offsetTable[objRef]], refStartPosition);
refStartPosition += d._offsetTable[objRef];
vector<int32_t> refs;
int mult = 1;
if ((((unsigned char)d._objectTable[d._offsetTable[objRef]]) & 0xF0) == 0xD0)
mult = 2;
for (int i = refStartPosition;
i < refStartPosition + refCount * mult * d._objRefSize;
i += d._objRefSize) {
std::vector<unsigned char> refBuffer =
getRange(d._objectTable, i, d._objRefSize);
reverse(refBuffer.begin(), refBuffer.end());
refs.push_back(bytesToInt<int32_t>(vecData(regulateNullBytes(refBuffer, 4)),
hostLittleEndian()));
}
return refs;
}
array_type parseBinaryArray(const PlistHelperData& d, int objRef) {
using namespace std;
vector<int32_t> refs = getRefsForContainers(d, objRef);
int32_t refCount = refs.size();
array_type array;
for (int i = 0; i < refCount; ++i) array.push_back(parseBinary(d, refs[i]));
return array;
}
dictionary_type parseBinaryDictionary(const PlistHelperData& d, int objRef) {
using namespace std;
vector<int32_t> refs = getRefsForContainers(d, objRef);
int32_t refCount = refs.size() / 2;
dictionary_type dict;
for (int i = 0; i < refCount; i++) {
boost::any keyAny = parseBinary(d, refs[i]);
try {
std::string& key = boost::any_cast<std::string&>(keyAny);
dict[key] = parseBinary(d, refs[i + refCount]);
} catch (boost::bad_any_cast&) {
throw Error("Error parsing dictionary. Key can't be parsed as a string");
}
}
return dict;
}
std::string parseBinaryString(const PlistHelperData& d, int headerPosition) {
unsigned char headerByte = d._objectTable[headerPosition];
int charStartPosition;
int32_t charCount =
getCount(d, headerPosition, headerByte, charStartPosition);
charStartPosition += headerPosition;
std::vector<unsigned char> characterBytes =
getRange(d._objectTable, charStartPosition, charCount);
std::string buffer =
std::string((char*)vecData(characterBytes), characterBytes.size());
return buffer;
}
std::string parseBinaryUnicode(const PlistHelperData& d, int headerPosition) {
unsigned char headerByte = d._objectTable[headerPosition];
int charStartPosition;
int32_t charCount =
getCount(d, headerPosition, headerByte, charStartPosition);
charStartPosition += headerPosition;
std::vector<unsigned char> characterBytes =
getRange(d._objectTable, charStartPosition, charCount * 2);
if (hostLittleEndian()) {
if (!characterBytes.empty()) {
for (std::size_t i = 0, n = characterBytes.size(); i < n - 1; i += 2)
std::swap(characterBytes[i], characterBytes[i + 1]);
}
}
int16_t* u16chars = (int16_t*)vecData(characterBytes);
std::size_t u16len = characterBytes.size() / 2;
std::string result = boost::locale::conv::utf_to_utf<char, int16_t>(
u16chars, u16chars + u16len, boost::locale::conv::stop);
return result;
}
int64_t parseBinaryInt(const PlistHelperData& d, int headerPosition,
int& intByteCount) {
unsigned char header = d._objectTable[headerPosition];
intByteCount = 1 << (header & 0xf);
std::vector<unsigned char> buffer =
getRange(d._objectTable, headerPosition + 1, intByteCount);
reverse(buffer.begin(), buffer.end());
return bytesToInt<int64_t>(vecData(regulateNullBytes(buffer, 8)),
hostLittleEndian());
}
double parseBinaryReal(const PlistHelperData& d, int headerPosition) {
unsigned char header = d._objectTable[headerPosition];
int byteCount = 1 << (header & 0xf);