Open source Star Ruler 2 source code!
This commit is contained in:
Lucas de Vries
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#include "scripts/binds.h"
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#include "main/references.h"
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#include "main/logging.h"
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#include "util/refcount.h"
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#include "str_util.h"
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#include "manager.h"
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#include <fstream>
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#include <sstream>
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#include <stdio.h>
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#include <time.h>
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#include "files.h"
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std::set<std::string> validPaths;
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namespace scripts {
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//Only allow access on files inside the star ruler directory or the profile
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bool isAccessible(const std::string& filename) {
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std::string workdir = getWorkingDirectory();
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if(path_inside(workdir, filename))
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return true;
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std::string profiledir = getProfileRoot();
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if(path_inside(profiledir, filename))
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return true;
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for(auto path = validPaths.begin(), end = validPaths.end(); path != end; ++path)
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if(path_inside(*path, filename))
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return true;
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return false;
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}
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std::string getModProfile() {
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return devices.mods.getProfile();
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}
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std::string getModProfileChild(const std::string& dirname) {
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return devices.mods.getProfile(dirname);
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}
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std::string getBaseProfileChild(const std::string& dirname) {
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return devices.mods.getGlobalProfile(dirname);
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}
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static void createDir(const std::string& dirname) {
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if(!isAccessible(dirname)) {
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scripts::throwException("Cannot access file outside game or profile directories.");
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return;
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}
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makeDirectory(dirname);
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}
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static long long modTime(const std::string& fname) {
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if(!isAccessible(fname)) {
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scripts::throwException("Cannot access file outside game or profile directories.");
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return 0;
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}
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return (long long)getModifiedTime(fname);
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}
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static bool isDir(const std::string& dirname) {
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if(!isAccessible(dirname))
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return false;
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return isDirectory(dirname);
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}
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static bool fileEx(const std::string& fname) {
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if(!isAccessible(fname))
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return false;
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return fileExists(fname);
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}
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class ReadFile : public DataReader {
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threads::atomic_int references;
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public:
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ReadFile(const std::string& filename, bool AllowLines) : DataReader(filename, AllowLines), references(1) {
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if(!isAccessible(filename))
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scripts::throwException("Cannot access file outside game or profile directories.");
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}
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void error(const std::string& str) {
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::error("Error: %s\n %s", position().c_str(), str.c_str());
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}
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void grab() {
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++references;
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}
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void drop() {
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if(--references == 0)
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delete this;
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}
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};
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static ReadFile* makeReadFile(const std::string& filename, bool allowLines) {
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return new ReadFile(filename.c_str(), allowLines);
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}
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static bool readNext(ReadFile& rf) {
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return rf++;
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}
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class WriteFile : public AtomicRefCounted {
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std::fstream file;
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public:
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int curIndent;
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bool allowMultiline;
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std::string endl;
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WriteFile(const char* filename) : file(filename, std::ios_base::out | std::ios_base::binary), curIndent(0), allowMultiline(true), endl("\r\n") {
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std::string fname = filename;
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if(!isAccessible(fname))
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scripts::throwException("Cannot access file outside game or profile directories.");
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}
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bool is_open() const { return file.is_open() && file.good(); }
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bool is_atEnd() const { return file.eof(); }
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void indent(int amount = 1) {
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curIndent += amount;
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}
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void deindent(int amount = 1) {
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curIndent -= amount;
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}
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void writeLine(const std::string& line) {
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file << line << endl;
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}
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void writeKeyValue(const std::string& key, const std::string& val) {
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if(!is_open()) {
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throwException("File is not open");
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return;
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}
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for(int i = 0; i < curIndent; ++i)
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file << " ";
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if(allowMultiline) {
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size_t prev = 0;
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size_t pos = val.find('\n');
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if(pos != std::string::npos) {
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file << key << ": <<" << endl;
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do {
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std::string line = val.substr(prev, pos - prev);
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if(line.empty()) {
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file << endl;
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}
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else {
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for(int i = 0; i < curIndent+1; ++i)
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file << " ";
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file << val.substr(prev, pos - prev) << endl;
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}
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prev = pos+1;
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if(prev < val.size()) {
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pos = val.find('\n', prev);
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if(pos == std::string::npos)
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pos = val.size();
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}
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else {
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break;
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}
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}
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while(true);
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for(int i = 0; i < curIndent; ++i)
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file << " ";
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file << ">>" << endl;
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return;
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}
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}
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else {
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if(val.find('\n') != std::string::npos) {
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file << key << ": " << escape(val) << endl;
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return;
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}
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}
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file << key << ": " << val << endl;
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}
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void writeEmptyLines(unsigned char n) {
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unsigned i = n;
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while(i--)
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file << endl;
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}
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};
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static WriteFile* makeWriteFile(const std::string& filename) {
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return new WriteFile(filename.c_str());
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}
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const std::string err("ERR");
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class FileList : public AtomicRefCounted {
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public:
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std::vector<std::pair<std::string,std::string>> files;
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void navigate(const std::string& dirname, const std::string& filter, bool recurse, bool resolve) {
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files.clear();
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std::map<std::string, std::string> fmap;
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std::string root = getProfileRoot();
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if(!resolve || path_inside(root, dirname)) {
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listDir(dirname, filter, recurse);
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}
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else {
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devices.mods.listFiles(dirname, fmap, filter.c_str(), recurse);
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files.reserve(fmap.size());
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foreach(it, fmap)
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files.push_back(std::pair<std::string,std::string>(it->first, it->second));
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}
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}
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void listDir(const std::string& dirname, const std::string& filter, bool recurse = true) {
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std::vector<std::string> flatfiles;
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listDirectory(dirname, flatfiles, filter.c_str());
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foreach(it, flatfiles) {
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std::string abspath = path_join(dirname, *it);
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files.push_back(std::pair<std::string,std::string>(*it, abspath));
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if(recurse && ::isDirectory(abspath))
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listDir(abspath, filter);
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}
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}
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unsigned size() {
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return (unsigned)files.size();
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}
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const std::string& relative(unsigned i) {
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if(i >= files.size()) {
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throwException("File index out of range.");
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return err;
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}
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return files[i].first;
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}
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std::string basename(unsigned i) {
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if(i >= files.size()) {
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throwException("File index out of range.");
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return err;
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}
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return getBasename(files[i].first);
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}
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std::string extension(unsigned i) {
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if(i >= files.size()) {
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throwException("File index out of range.");
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return err;
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}
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auto pos = files[i].first.rfind('.');
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if(pos == std::string::npos)
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return "";
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return files[i].first.substr(pos+1);
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}
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const std::string& absolute(unsigned i) {
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if(i >= files.size()) {
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throwException("File index out of range.");
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return err;
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}
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return files[i].second;
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}
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bool isDirectory(unsigned i) {
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if(i >= files.size()) {
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throwException("File index out of range.");
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return false;
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}
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return ::isDirectory(files[i].second);
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}
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};
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FileList* makeFileList(const std::string& dirname, const std::string& filter, bool recurse, bool resolve) {
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FileList* flist = new FileList();
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flist->navigate(dirname, filter, recurse, resolve);
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return flist;
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}
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FileList* makeFileList_e() {
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return new FileList();
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}
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static std::string resolveFilename(const std::string& fname) {
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return devices.mods.resolve(fname);
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}
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//TODO: Restrict to the active mod?
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static void deleteFile(const std::string& fname) {
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if(!isAccessible(fname)) {
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scripts::throwException("Cannot access file outside game or profile directories.");
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return;
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}
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if(isDirectory(fname)) {
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std::vector<std::string> inside;
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listDirectory(fname, inside);
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foreach(it, inside)
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deleteFile(path_join(fname, *it));
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}
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remove(fname.c_str());
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}
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static long long systemTime() {
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time_t t;
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::time(&t);
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return (long long)t;
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}
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static std::string strftime_wrap(const std::string& format, long long stamp) {
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time_t time = (time_t)stamp;
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struct tm* timeinfo;
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timeinfo = localtime(&time);
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char buffer[120];
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unsigned cnt = strftime(buffer, 120, format.c_str(), timeinfo);
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return std::string(buffer, cnt);
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}
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void RegisterDatafiles() {
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bind("string get_profileRoot()", asFUNCTION(getProfileRoot))
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doc("", "Path to the game's global profile folder.");
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bind("string get_modProfile()", asFUNCTION(getModProfile))
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doc("", "Path to the current mod's profile folder.");
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bind("string get_modProfile(const string&in folder)", asFUNCTION(getModProfileChild))
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doc("Get the path to a child directory in the mod's profile.",
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"Child directory", "Path to the folder.");
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bind("string get_baseProfile(const string&in folder)", asFUNCTION(getBaseProfileChild))
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doc("Get the path to a child directory in the base profile.",
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"Child directory", "Path to the folder.");
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bind("string resolve(const string&in filename)", asFUNCTION(resolveFilename))
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doc("Resolves the filename to an absolute path to an overriden file. "
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"The top-most mod with a file in the same relative path is used.",
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"Relative filename to resolve.", "");
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bind("void deleteFile(const string&in filename)", asFUNCTION(deleteFile))
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doc("Deletes the specified file. Must be within the profile or game folders.", "");
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bind("void makeDirectory(const string&in dirname)", asFUNCTION(createDir))
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doc("Create a new directory.", "Name of the directory to create.");
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bind("bool isDirectory(const string&in path)", asFUNCTION(isDir))
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doc("Check whether a particular path is a directory.", "Path of the directory to check.",
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"Whether a directory exists at that path.");
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bind("int64 getModifiedTime(const string&in path)", asFUNCTION(modTime))
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doc("Get the timestamp a file was last modified at.", "Path of file.",
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"Last modification time of file.");
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bind("bool fileExists(const string&in path)", asFUNCTION(fileEx))
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doc("Check whether a particular file exists.", "Path of the file to check.",
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"Whether a file exists at that path.");
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bind("string path_join(const string&in first, const string&in second)", asFUNCTION(path_join))
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doc("Concatenate two file paths.", "First path.", "Second path.", "Concatenated path.");
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bind("string path_up(const string&in path)", asFUNCTION(path_up))
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doc("Go up one directory from a path.", "Path to go up from.", "Parent path.");
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bind("bool path_inside(const string&in dirname, const string&in fname)", asFUNCTION(path_inside))
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doc("Check whether a filename is inside a directory.", "Folder name.", "Filename"., "Whether the file is inside the folder.");
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bind("string getBasename(const string&in path, bool includeExtension = true)", asFUNCTION(getBasename))
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doc("Get the basename of a path.", "Path to get basename from.", "Whether to include the extension in the basename.",
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"Path basename.");
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bind("int64 getSystemTime()", asFUNCTION(systemTime));
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bind("string strftime(const string& format, int64 time)", asFUNCTION(strftime_wrap));
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ClassBind read("ReadFile", asOBJ_REF);
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read.addFactory("ReadFile@ f(const string &in filename, bool allowLines = false)", asFUNCTION(makeReadFile))
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doc("Opens a text datafile for reading.", "Path to the file to open. Must be within the profile or game folders.", "", "");
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read.setReferenceFuncs(asMETHOD(ReadFile,grab), asMETHOD(ReadFile,drop));
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read.addMember("int indent", offsetof(ReadFile, indent))
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doc("Number of indents for the current line. Each space or tab counts as one indent.");
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read.addMember("bool allowLines", offsetof(ReadFile, allowLines));
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read.addMember("bool fullLine", offsetof(ReadFile, fullLine));
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read.addMember("bool allowMultiline", offsetof(ReadFile, allowMultiline));
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read.addMember("bool skipComments", offsetof(ReadFile, skipComments));
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read.addMember("bool skipEmpty", offsetof(ReadFile, skipEmpty));
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read.addMember("string line", offsetof(ReadFile, line))
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doc("Full (trimmed) line.");
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read.addMember("string key", offsetof(ReadFile, key))
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doc("Key from a Key:Value pair line.");
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read.addMember("string value", offsetof(ReadFile, value))
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doc("Value from a Key:Value pair line.");
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read.addMethod("void error(const string& message)", asMETHOD(ReadFile, error))
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doc("Display an error message sourced from this file.", "Error message.");
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read.addMethod("string position()", asMETHOD(ReadFile, position))
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doc("Returns a formatted representation of the position in the file.", "A string like 'data/states.txt | Line 80'");
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read.addExternMethod("bool opPostInc()", asFUNCTION(readNext))
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doc("Advances to the next non-empty line.", "Returns true if there was a line to advance to.");
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ClassBind write("WriteFile", asOBJ_REF);
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write.addFactory("WriteFile@ f(const string &in)", asFUNCTION(makeWriteFile));
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write.setReferenceFuncs(asMETHOD(WriteFile,grab), asMETHOD(WriteFile,drop));
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write.addMember("bool allowMultiline", offsetof(WriteFile, allowMultiline))
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doc("Whether multi-line values should be written in multiline format or squashed into a single line.");
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write.addMethod("bool get_open() const", asMETHOD(WriteFile,is_open));
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write.addMethod("bool get_atEnd() const", asMETHOD(WriteFile,is_atEnd));
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write.addMethod("void indent(int amount = 1)", asMETHOD(WriteFile, indent));
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write.addMethod("void deindent(int amount = 1)", asMETHOD(WriteFile, deindent));
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write.addMethod("void writeLine(const string &in)", asMETHOD(WriteFile, writeLine));
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write.addMethod("void writeKeyValue(const string &in, const string &in)", asMETHOD(WriteFile, writeKeyValue));
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write.addMethod("void writeEmptyLines(uint8 count = 1)", asMETHOD(WriteFile, writeEmptyLines));
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ClassBind flist("FileList", asOBJ_REF);
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flist.addFactory("FileList@ f(const string &in dirname, const string &in filter, bool recurse = false, bool resolve = true)", asFUNCTION(makeFileList));
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flist.addFactory("FileList@ f()", asFUNCTION(makeFileList_e));
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flist.setReferenceFuncs(asMETHOD(FileList,grab), asMETHOD(FileList,drop));
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flist.addMethod("void navigate(const string&in dirname, const string&in filter, bool recurse = false, bool resolve = true)", asMETHOD(FileList, navigate));
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flist.addMethod("uint get_length()", asMETHOD(FileList, size));
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flist.addMethod("const string& get_relativePath(uint num)", asMETHOD(FileList, relative));
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flist.addMethod("string get_basename(uint num)", asMETHOD(FileList, basename));
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flist.addMethod("string get_extension(uint num)", asMETHOD(FileList, extension));
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flist.addMethod("const string& get_path(uint num)", asMETHOD(FileList, absolute));
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flist.addMethod("bool get_isDirectory(uint num)", asMETHOD(FileList, isDirectory));
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}
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};
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