29.07.2011 - fundamental new

pidir.cpp

@@ -1,5 +1,19 @@
 #include "pidir.h"
 
+#ifndef WINDOWS
+#ifdef WINDOWS
+	const PIChar PIDir::separator = '\\';
+#else
+	const PIChar PIDir::separator = '/';
+#endif
+
+
+PIDir::PIDir() {
+	path_ = PIDir::current().path_;
+	dir_ = 0;
+	open();
+}
+
 
 PIDir::PIDir(const PIString & dir) {
 	path_ = dir.stdString();
@@ -8,7 +22,7 @@ PIDir::PIDir(const PIString & dir) {
 }
 
 
-bool PIDir::operator==(const PIDir & d) const {
+bool PIDir::operator ==(const PIDir & d) const {
 	return true;
 }
 
@@ -17,7 +31,7 @@ bool PIDir::open() {
 	if (dir_ != 0)
 		if (!close())
 			return false;
-	dir_ = opendir(path_.c_str());
+	dir_ = opendir(path_.data());
 	return (dir_ != 0);
 }
 
@@ -38,6 +52,118 @@ PIString PIDir::absolutePath() {
 }
 
 
+PIDir & PIDir::cleanPath() {
+	PIString p(path_);
+	if (p.size() == 0) {
+		path_ = ".";
+		open();
+		return *this;
+	}
+	bool isAbs = isAbsolute();
+	for (uint i = p.size() - 1; i > 0; --i) {
+		if (p[i] == separator && p[i - 1] == separator) {
+			p.cutLeft(i);
+			isAbs = true;
+			break;
+		}
+	}
+	PIStringList l = PIString(p).split(separator);
+	l.removeStrings(".");
+	l.removeStrings("");
+	bool found = true;
+	while (found) {
+		found = false;
+		for (uint i = 0; i < l.size() - 1; ++i) {
+			if (l.size() < 2) break;
+			if (l[i] != ".." && l[i + 1] == "..") {
+				if (l.size() + i > 2) l.remove(i, 2);
+				else l.remove(i, 1);
+				--i;
+				found = true;
+			}
+		}
+	}
+	found = true;
+	while (found) {
+		found = false;
+		if (l.size() > 0) if (l[0] == "..")
+			{l.pop_front(); found = true;}
+	}
+	path_ = separator + l.join(separator);
+	if (!isAbs) path_.insert(0, ".");
+	if (path_.size() == 0) path_ = "./";
+	open();
+	return *this;
+}
+
+
+PIDir & PIDir::cd(const PIString & path) {
+	if (path_.size() == 0) return *this;
+	if (path_[path_.size() - 1] == separator) path_ << path;
+	else path_ << separator << path;
+	return cleanPath();
+}
+
+
+bool PIDir::mkDir(bool withParents) {
+	PIDir d = cleanedPath();
+	string p = d.path_;
+	PIString tp;
+	int ret;
+	bool isAbs = isAbsolute();
+	if (withParents) {
+		PIStringList l = PIString(p).split(separator);
+		for (int i = l.size_s() - 1; i >= 0; --i) {
+			if (i > 1) tp = PIStringList(l).remove(i, l.size_s() - i).join(separator);
+			else {
+				tp = separator;
+				if (!isAbs) tp.push_front('.');
+			}
+			//cout << tp << endl;
+			if (isExists(tp)) {
+				for (int j = i + 1; j <= l.size_s(); ++j) {
+					tp = PIStringList(l).remove(j, l.size_s() - j).join(separator);
+					//cout << tp << endl;
+					p = tp.stdString();
+					ret = mkdir(p.c_str(), 16877);
+					if (ret == 0) continue;
+					printf("[PIDir] mkDir(\"%s\") error: %s\n", p.c_str(), strerror(errno));
+					return false;
+				}
+				break;
+			};
+		}
+	} else {
+		ret = mkdir(p.c_str(), 16877);
+		if (ret == 0) return true;
+		printf("[PIDir] mkDir(\"%s\") error: %s\n", p.c_str(), strerror(errno));
+	}
+	return false;
+}
+
+
+PIVector<PIDir::DirEntry> PIDir::entries() {
+	PIDir d = cleanedPath();
+	PIString p = d.path_;
+	dirent ** list;
+#ifndef QNX
+	int cnt = scandir(const_cast<char*>(p.data()), &list, 0, alphasort);
+#else
+	int cnt = scandir(const_cast<char*>(p.data()), 0, 0, alphasort);
+#endif
+	struct stat fs;
+	PIVector<DirEntry> l;
+	for (int i = 0; i < cnt; ++i) {
+		stat((p + separator + list[i]->d_name).data(), &fs);
+		l.push_back(DirEntry(list[i]->d_name, fs.st_mode, fs.st_size));
+		delete list[i];
+	}
+	delete list;
+	return l;
+}
+
+
+
 PIDir PIDir::current() {
 	char rc[1024];
 	if (getcwd(rc, 1024) == 0) return PIString();
@@ -58,12 +184,10 @@ PIDir PIDir::temporary() {
 }
 
 
-bool PIDir::mkDir(const PIString & path) {
-	string s = path.stdString();
-	int ret = mkdir(s.c_str(), 16877);
-	if (ret == 0) return true;
-	printf("[PIDir] mkDir(\"%s\") error: %s\n", s.c_str(), strerror(errno));
-	return false;
+bool PIDir::mkDir(const PIString & path, bool withParents) {
+	PIDir d(path);
+	if (d.isExists()) return true;
+	return d.mkDir(withParents);
 }
 
 
@@ -74,3 +198,5 @@ bool PIDir::rmDir(const PIString & path) {
 	printf("[PIDir] rmDir(\"%s\") error: %s\n", s.c_str(), strerror(errno));
 	return false;
 }
+
+#endif