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Started CPP Library for JPAK
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‎.project‎

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>jpak</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.python.pydev.PyDevBuilder</name>
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<natures>
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<nature>org.python.pydev.pythonNature</nature>
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</natures>
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</projectDescription>

‎.pydevproject‎

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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<?eclipse-pydev version="1.0"?><pydev_project>
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<pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">Default</pydev_property>
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<pydev_property name="org.python.pydev.PYTHON_PROJECT_VERSION">python 2.7</pydev_property>
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</pydev_project>

‎cpp/.cproject‎

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<externalSettings>
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<externalSetting>
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<entry flags="VALUE_WORKSPACE_PATH" kind="includePath" name="/libjpak"/>
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<entry flags="VALUE_WORKSPACE_PATH" kind="libraryPath" name="/libjpak/Debug"/>
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‎cpp/.gitignore‎

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/Debug

‎cpp/JPAK.cpp‎

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/*
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* JPAK.cpp
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*
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* Created on: 19/11/2013
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* Author: lucas
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*/
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#include "JPAK.h"
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JPAK::JPAK() {
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// TODO Auto-generated constructor stub
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}
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JPAK::~JPAK() {
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// TODO Auto-generated destructor stub
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}
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bool JPAK::ProcessTable(string &table) {
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return reader.parse(table.c_str(), root);
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}
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bool JPAK::LoadFromFile(string &filename) {
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char magic[5];
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unsigned int tableoffset;
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unsigned int fsize = 0;
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jpakfile.open(filename.c_str());
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if(jpakfile.good()) {
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jpakfile.read(magic,5);
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if(strncmp("JPAK1",magic,5) == 0) {
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jpakfile.seekg(0,ios_base::end);
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fsize = jpakfile.tellg();
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jpakfile.seekg(-4,ios_base::end);
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jpakfile >> tableoffset;
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jpakfile.seekg(tableoffset, ios_base::beg);
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char table[fsize-tableoffset-4];
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jpakfile.read(table, fsize-tableoffset-4);
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string table_s = table;
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if(ProcessTable(table_s)) {
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ready = true;
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return false;
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}else{
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cout << "Cannot parse JPAK Table!" << endl;
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return false;
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}
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}else{
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cout << "Invalid JPAK file! " << endl;
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return false;
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}
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}else{
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cout << "Cannot open file " << filename << endl;
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return false;
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}
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}
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void JPAK::GetFile(string &path, char *buffer) {
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}

‎cpp/JPAK.h‎

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/*
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* JPAK.h
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*
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* Created on: 19/11/2013
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* Author: lucas
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*/
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#ifndef JPAK_H_
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#define JPAK_H_
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#include <jsoncpp/json/json.h>
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#include <string.h>
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#include <map>
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#include <iostream>
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#include <sstream>
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#include <fstream>
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#include <string>
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using namespace std;
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class JPAK {
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private:
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Json::Value root;
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Json::Reader reader;
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ifstream jpakfile;
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bool ready;
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bool ProcessTable(string &);
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public:
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JPAK();
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virtual ~JPAK();
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bool LoadFromFile(string &);
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void GetFile(string &, char *);
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};
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#endif /* JPAK_H_ */

‎cpp/test.json‎

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{"files": {"MUSIC.MP3": {"path": "/MUSIC.MP3", "size": 3799296, "name": "MUSIC.MP3", "offset": 50092}, "MUSIC.OGG": {"path": "/MUSIC.OGG", "size": 2125034, "name": "MUSIC.OGG", "offset": 3849388}, "TITLE.JPG": {"path": "/TITLE.JPG", "size": 50079, "name": "TITLE.JPG", "offset": 13}}, "name": "nx20/13A0", "directories": {"CHARTS": {"files": {}, "path": "/CHARTS", "directories": {"DOUBLE": {"files": {"17.NX": {"path": "/CHARTS/DOUBLE/17.NX", "size": 46052, "name": "17.NX", "offset": 6005374}}, "path": "/CHARTS/DOUBLE", "directories": {}, "name": "DOUBLE", "numfiles": 1}, "SINGLE": {"files": {"17.NX": {"path": "/CHARTS/SINGLE/17.NX", "size": 30952, "name": "17.NX", "offset": 5974422}}, "path": "/CHARTS/SINGLE", "directories": {}, "name": "SINGLE", "numfiles": 1}}, "name": "CHARTS", "numfiles": 0}}, "path": "/", "numfiles": 3, "size": 0}

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