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diff --git a/util/file-system.cpp b/util/file-system.cpp
index d4a11a82..a13c77f2 100644
--- a/util/file-system.cpp
+++ b/util/file-system.cpp
@@ -1,304 +1,323 @@
#include "funcs.h"
#include "file-system.h"
#include "system.h"
#include <dirent.h>
#include <sstream>
#include <exception>
#include <string>
+#include <ostream>
#ifdef _WIN32
#define _WIN32_IE 0x400
#include <shlobj.h>
#endif
using namespace std;
namespace Filesystem{
+
+Exception::Exception(const std::string & file):
+reason(file){
+}
+
+Exception::~Exception() throw (){
+}
NotFound::NotFound(const std::string & file):
-exception(),
-reason(file){
+Exception(file){
}
NotFound::~NotFound() throw(){
}
+
+IllegalPath::IllegalPath(const std::string & file):
+Exception(file){
+}
+
+IllegalPath::~IllegalPath() throw(){
+}
#ifdef _WIN32
AbsolutePath userDirectory(){
ostringstream str;
char path[MAX_PATH];
SHGetSpecialFolderPathA(0, path, CSIDL_APPDATA, false);
str << path << "/paintown/";
return AbsolutePath(str.str());
}
AbsolutePath configFile(){
ostringstream str;
char path[MAX_PATH];
SHGetSpecialFolderPathA(0, path, CSIDL_APPDATA, false);
str << path << "/paintown_configuration.txt";
return AbsolutePath(str.str());
}
#else
AbsolutePath configFile(){
ostringstream str;
/* what if HOME isn't set? */
str << getenv("HOME") << "/.paintownrc";
return AbsolutePath(str.str());
}
AbsolutePath userDirectory(){
ostringstream str;
/* what if HOME isn't set? */
str << getenv("HOME") << "/.paintown/";
return AbsolutePath(str.str());
}
#endif
static AbsolutePath lookup(const RelativePath path) throw (NotFound){
/* first try the main data directory */
AbsolutePath final = Util::getDataPath2().join(path);
if (System::readable(final.path())){
return final;
}
/* then try the user directory, like ~/.paintown */
final = userDirectory().join(path);
if (System::readable(final.path())){
return final;
}
/* then just look in the cwd */
if (System::readable(path.path())){
return AbsolutePath(path.path());
}
ostringstream out;
out << "Cannot find " << path.path() << ". I looked in '" << Util::getDataPath2().join(path).path() << "', '" << userDirectory().join(path).path() << "', and '" << path.path() << "'" << endl;
throw NotFound(out.str());
}
static vector<AbsolutePath> findDirectoriesIn(const AbsolutePath & path){
vector<AbsolutePath> dirs;
DIR * dir = opendir(path.path().c_str());
if (dir == NULL){
return dirs;
}
struct dirent * entry = readdir(dir);
while (entry != NULL){
string total = path.path() + "/" + entry->d_name;
if (System::isDirectory(total)){
dirs.push_back(AbsolutePath(total));
}
entry = readdir(dir);
}
closedir(dir);
return dirs;
}
vector<AbsolutePath> findDirectories(const RelativePath & path){
typedef vector<AbsolutePath> Paths;
Paths dirs;
Paths main_dirs = findDirectoriesIn(Util::getDataPath2().join(path));
Paths user_dirs = findDirectoriesIn(userDirectory().join(path));
Paths here_dirs = findDirectoriesIn(Filesystem::AbsolutePath(path.path()));
dirs.insert(dirs.end(), main_dirs.begin(), main_dirs.end());
dirs.insert(dirs.end(), user_dirs.begin(), user_dirs.end());
dirs.insert(dirs.end(), here_dirs.begin(), here_dirs.end());
return dirs;
}
/* remove extra path separators (/) */
static string sanitize(string path){
size_t double_slash = path.find("//");
while (double_slash != string::npos){
path.erase(double_slash, 1);
double_slash = path.find("//");
}
return path;
}
/*
std::string find(const std::string path){
if (path.length() == 0){
throw NotFound("No path given");
}
if (path[0] == '/'){
string str(path);
str.erase(0, 1);
string out = lookup(str);
if (System::isDirectory(out)){
return sanitize(out + "/");
}
return sanitize(out);
}
string out = lookup(path);
if (System::isDirectory(out)){
return sanitize(out + "/");
}
return sanitize(out);
}
*/
AbsolutePath find(const RelativePath & path){
if (path.isEmpty()){
throw NotFound("No path given");
}
AbsolutePath out = lookup(path);
if (System::isDirectory(out.path())){
return AbsolutePath(sanitize(out.path() + "/"));
}
return AbsolutePath(sanitize(out.path()));
}
RelativePath cleanse(const AbsolutePath & path){
string str = path.path();
if (str.find(Util::getDataPath2().path()) == 0){
str.erase(0, Util::getDataPath2().path().length());
} else if (str.find(userDirectory().path()) == 0){
str.erase(0, userDirectory().path().length());
}
return RelativePath(str);
}
static string dirname(string path){
if (path.find("/") != string::npos ||
path.find("\\") != string::npos){
size_t rem = path.find_last_of("/");
if (rem != string::npos){
return path.substr(0, rem+1);
}
rem = path.find_last_of("\\");
if (rem != string::npos){
return path.substr(0, rem+1);
}
}
return "";
}
std::string stripDir(const std::string & str){
std::string temp = str;
if (str.find( "/") != std::string::npos || str.find( "\\") != std::string::npos){
size_t rem = temp.find_last_of( "/" );
if (rem != std::string::npos){
return str.substr(rem+1,str.size());
}
rem = temp.find_last_of( "\\" );
if( rem != std::string::npos ){
return str.substr(rem+1,str.size());
}
}
return str;
}
std::string removeExtension(const std::string & str){
if (str.find(".") != std::string::npos){
return str.substr(0, str.find_last_of("."));
}
return str;
}
const string & Path::path() const {
return mypath;
}
bool Path::isEmpty() const {
return mypath.empty();
}
Path::~Path(){
}
Path::Path(){
}
static const std::string invertSlashes(const string & str){
string tempStr = str;
if (tempStr.find('\\') != string::npos){
for (int i = tempStr.size()-1; i>-1; --i){
if (tempStr[i] == '\\'){
tempStr[i] = '/';
}
}
}
return tempStr;
}
Path::Path(const std::string & path):
mypath(sanitize(invertSlashes(path))){
}
Path::Path(const Path & path):
mypath(sanitize(invertSlashes(path.path()))){
}
RelativePath::RelativePath(){
}
RelativePath::RelativePath(const std::string & path):
Path(path){
+ if (! path.empty() && path[0] == '/'){
+ ostringstream out;
+ out << "Relative path '" << path << "' cannot start with a /. Only absolute paths can start with /";
+ throw IllegalPath(out.str());
+ }
}
RelativePath::RelativePath(const RelativePath & path):
Path(path){
}
RelativePath RelativePath::getDirectory() const {
return RelativePath(dirname(path()));
}
RelativePath RelativePath::getFilename() const {
return RelativePath(stripDir(path()));
}
RelativePath RelativePath::join(const RelativePath & him) const {
return RelativePath(sanitize(path() + "/" + him.path()));
}
RelativePath & RelativePath::operator=(const RelativePath & copy){
setPath(copy.path());
return *this;
}
AbsolutePath::AbsolutePath(){
}
AbsolutePath::AbsolutePath(const std::string & path):
Path(path){
}
AbsolutePath::AbsolutePath(const AbsolutePath & path):
Path(path){
}
AbsolutePath & AbsolutePath::operator=(const AbsolutePath & copy){
setPath(copy.path());
return *this;
}
bool AbsolutePath::operator==(const AbsolutePath & path) const {
return this->path() == path.path();
}
AbsolutePath AbsolutePath::getDirectory() const {
return AbsolutePath(dirname(path()));
}
AbsolutePath AbsolutePath::getFilename() const {
return AbsolutePath(stripDir(path()));
}
AbsolutePath AbsolutePath::join(const RelativePath & path) const {
return AbsolutePath(sanitize(this->path() + "/" + path.path()));
}
}
diff --git a/util/file-system.h b/util/file-system.h
index 7bb0c11c..0326787f 100644
--- a/util/file-system.h
+++ b/util/file-system.h
@@ -1,103 +1,115 @@
#ifndef _paintown_file_system_h
#define _paintown_file_system_h
#include <exception>
#include <string>
#include <vector>
namespace Filesystem{
- class NotFound: public std::exception {
+
+ class Exception: public std::exception {
public:
- NotFound(const std::string & file);
- virtual ~NotFound() throw();
+ Exception(const std::string & file);
+ virtual ~Exception() throw ();
const std::string & getReason() const {
return reason;
}
-
private:
std::string reason;
};
+ class NotFound: public Exception {
+ public:
+ NotFound(const std::string & file);
+ virtual ~NotFound() throw();
+ };
+
+ class IllegalPath: public Exception {
+ public:
+ IllegalPath(const std::string & file);
+ virtual ~IllegalPath() throw();
+ };
+
class Path{
public:
const std::string & path() const;
bool isEmpty() const;
virtual ~Path();
protected:
Path();
Path(const std::string & path);
Path(const Path & path);
virtual inline void setPath(const std::string & s){
mypath = s;
}
std::string mypath;
};
/* relative path should not have the leading data directory on it, just
* the path within the paintown system.
*/
class RelativePath: public Path {
public:
explicit RelativePath();
explicit RelativePath(const std::string & path);
RelativePath(const RelativePath & path);
virtual RelativePath getDirectory() const;
virtual RelativePath getFilename() const;
/* a/ + b/ = a/b/ */
RelativePath join(const RelativePath & path) const;
RelativePath & operator=(const RelativePath & copy);
};
/* absolute paths should have the entire filesystem path on it */
class AbsolutePath: public Path {
public:
explicit AbsolutePath();
explicit AbsolutePath(const std::string & path);
AbsolutePath(const AbsolutePath & path);
AbsolutePath & operator=(const AbsolutePath & copy);
bool operator==(const AbsolutePath & path) const;
virtual AbsolutePath getDirectory() const;
virtual AbsolutePath getFilename() const;
AbsolutePath join(const RelativePath & path) const;
};
/* given a relative path like sounds/arrow.png, prepend the proper
* data path to it to give data/sounds/arrow.png
*/
AbsolutePath find(const RelativePath & path);
/* remove the data path from a string
* data/sounds/arrow.png -> sounds/arrow.png
*/
RelativePath cleanse(const AbsolutePath & path);
/* returns all the directories starting with the given path.
* will look in the main data directory, the user directory, and
* the current working directory.
*/
std::vector<AbsolutePath> findDirectories(const RelativePath & path);
/* basename, just get the filename and remove the directory part */
std::string stripDir(const std::string & str);
/* remove extension. foo.txt -> foo */
std::string removeExtension(const std::string & str);
/* user specific directory to hold persistent data */
AbsolutePath userDirectory();
/* user specific path to store the configuration file */
AbsolutePath configFile();
}
#endif

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