1 files changed, 360 insertions, 0 deletions
diff --git a/labb8/lib/StanfordCPPLib/filelib.cpp b/labb8/lib/StanfordCPPLib/filelib.cpp
new file mode 100755
index 0000000..c598db4
--- /dev/null
+++ b/labb8/lib/StanfordCPPLib/filelib.cpp
@@ -0,0 +1,360 @@
+/*
+ * File: filelib.cpp
+ * -----------------
+ * This file implements the filelib.h interface.  All platform dependencies
+ * are managed through the platform interface.
+ */
+
+#include <algorithm>
+#include <cctype>
+#include <cstdio>
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+#include "filelib.h"
+#include "foreach.h"
+#include "platform.h"
+#include "strlib.h"
+#include "vector.h"
+using namespace std;
+
+static Platform *pp = getPlatform();
+
+/* Prototypes */
+
+static void splitPath(string path, Vector<string> list);
+static bool recursiveMatch(string str, int sx, string pattern, int px);
+
+/* Implementations */
+
+bool openFile(ifstream & stream, string filename) {
+   stream.clear();
+   stream.open(expandPathname(filename).c_str());
+   return !stream.fail();
+}
+
+bool openFile(ofstream & stream, string filename) {
+   stream.clear();
+   stream.open(expandPathname(filename).c_str());
+   return !stream.fail();
+}
+
+string promptUserForFile(ifstream & stream, string prompt) {
+   while (true) {
+      cout << prompt;
+      string filename;
+      getline(cin, filename);
+      openFile(stream, filename);
+      if (!stream.fail()) return filename;
+      stream.clear();
+      cout << "Unable to open that file.  Try again." << endl;
+      if (prompt == "") prompt = "Input file: ";
+   }
+}
+
+string promptUserForFile(ofstream & stream, string prompt) {
+   while (true) {
+      cout << prompt;
+      string filename;
+      getline(cin, filename);
+      openFile(stream, filename);
+      if (!stream.fail()) return filename;
+      stream.clear();
+      cout << "Unable to open that file.  Try again." << endl;
+      if (prompt == "") prompt = "Output file: ";
+   }
+}
+
+string openFileDialog(ifstream & stream) {
+   return openFileDialog(stream, "Open File", "");
+}
+
+string openFileDialog(ifstream & stream, string title) {
+   return openFileDialog(stream, title, "");
+}
+
+string openFileDialog(ifstream & stream, string title, string path) {
+   string filename = pp->openFileDialog(title, "load", path);
+   if (filename == "") return "";
+   stream.open(filename.c_str());
+   return (stream.fail()) ? "" : filename;
+}
+
+string openFileDialog(ofstream & stream) {
+   return openFileDialog(stream, "Open File", "");
+}
+
+string openFileDialog(ofstream & stream, string title) {
+   return openFileDialog(stream, title, "");
+}
+
+string openFileDialog(ofstream & stream, string title, string path) {
+   string filename = pp->openFileDialog(title, "save", path);
+   if (filename == "") return "";
+   stream.open(filename.c_str());
+   return (stream.fail()) ? "" : filename;
+}
+
+void readEntireFile(istream & is, Vector<string> & lines) {
+   lines.clear();
+   while (true) {
+      string line;
+      getline(is, line);
+      if (is.fail()) break;
+      lines.add(line);
+   }
+}
+
+void readEntireFile(istream & is, vector<string> & lines) {
+   lines.clear();
+   while (true) {
+      string line;
+      getline(is, line);
+      if (is.fail()) break;
+      lines.push_back(line);
+   }
+}
+
+string getRoot(string filename) {
+   int dot = -1;
+   int len = filename.length();
+   for (int i = 0; i < len; i++) {
+      char ch = filename[i];
+      if (ch == '.') dot = i;
+      if (ch == '/' || ch == '\\') dot = -1;
+   }
+   if (dot == -1) {
+      return filename;
+   } else {
+      return filename.substr(0, dot);
+   }
+}
+
+string getExtension(string filename) {
+   int dot = -1;
+   int len = filename.length();
+   for (int i = 0; i < len; i++) {
+      char ch = filename[i];
+      if (ch == '.') dot = i;
+      if (ch == '/' || ch == '\\') dot = -1;
+   }
+   if (dot == -1) {
+      return "";
+   } else {
+      return filename.substr(dot);
+   }
+}
+
+string getHead(string filename) {
+   int slash = -1;
+   int len = filename.length();
+   for (int i = 0; i < len; i++) {
+      char ch = filename[i];
+      if (ch == '/' || ch == '\\') slash = i;
+   }
+   if (slash < 0) {
+      return "";
+   } else if (slash == 0) {
+      return "/";
+   } else {
+      return filename.substr(0, slash);
+   }
+}
+
+string getTail(string filename) {
+   int slash = -1;
+   int len = filename.length();
+   for (int i = 0; i < len; i++) {
+      char ch = filename[i];
+      if (ch == '/' || ch == '\\') slash = i;
+   }
+   if (slash < 0) {
+      return filename;
+   } else {
+      return filename.substr(slash + 1);
+   }
+}
+
+string defaultExtension(string filename, string ext) {
+   bool force = (ext[0] == '*');
+   if (force) ext = ext.substr(1);
+   int dot = -1;
+   int len = filename.length();
+   for (int i = 0; i < len; i++) {
+      char ch = filename[i];
+      if (ch == '.') dot = i;
+      if (ch == '/' || ch == '\\') dot = -1;
+   }
+   if (dot == -1) {
+      force = true;
+      dot = len;
+   }
+   if (force) {
+      return filename.substr(0, dot) + ext;
+   } else {
+      return filename;
+   }
+}
+
+string openOnPath(ifstream & stream, string path, string filename) {
+   Vector<string> paths;
+   splitPath(path, paths);
+   foreach (string dir in paths) {
+      string pathname = dir + "/" + filename;
+      if (openFile(stream, pathname)) return pathname;
+   }
+   return "";
+}
+
+string openOnPath(ofstream & stream, string path, string filename) {
+   Vector<string> paths;
+   splitPath(path, paths);
+   foreach (string dir in paths) {
+      string pathname = dir + "/" + filename;
+      if (openFile(stream, pathname)) return pathname;
+   }
+   return "";
+}
+
+string findOnPath(string path, string filename) {
+   ifstream stream;
+   string result = openOnPath(stream, path, filename);
+   if (result != "") stream.close();
+   return result;
+}
+
+void deleteFile(string filename) {
+   remove(expandPathname(filename).c_str());
+}
+
+void renameFile(string oldname, string newname) {
+   oldname = expandPathname(oldname);
+   newname = expandPathname(newname);
+   rename(oldname.c_str(), newname.c_str());
+}
+
+void createDirectoryPath(string path) {
+   size_t cp = 1;
+   if (path == "") return;
+   while ((cp = path.find('/', cp + 1)) != string::npos) {
+      createDirectory(path.substr(0, cp - 1));
+   }
+   createDirectory(path);
+}
+
+bool matchFilenamePattern(string filename, string pattern) {
+   return recursiveMatch(filename, 0, pattern, 0);
+}
+
+bool fileExists(string filename) {
+   return pp->fileExists(filename);
+}
+
+bool isFile(string filename) {
+   return pp->isFile(filename);
+}
+
+bool isSymbolicLink(string filename) {
+   return pp->isSymbolicLink(filename);
+}
+
+bool isDirectory(string filename) {
+   return pp->isDirectory(filename);
+}
+
+void setCurrentDirectory(string path) {
+   return pp->setCurrentDirectory(path);
+}
+
+string getCurrentDirectory() {
+   return pp->getCurrentDirectory();
+}
+
+void createDirectory(string path) {
+   return pp->createDirectory(path);
+}
+
+string getDirectoryPathSeparator() {
+   return pp->getDirectoryPathSeparator();
+}
+
+string getSearchPathSeparator() {
+   return pp->getSearchPathSeparator();
+}
+
+string expandPathname(string filename) {
+   return pp->expandPathname(filename);
+}
+
+void listDirectory(string path, Vector<string> & list) {
+   vector<string> vec;
+   listDirectory(path, vec);
+   list.clear();
+   foreach (string file in vec) {
+      list.add(file);
+   }
+}
+
+void listDirectory(string path, vector<string> & list) {
+   return pp->listDirectory(path, list);
+}
+
+/* Private functions */
+
+static void splitPath(string path, Vector<string> list) {
+   char sep = (path.find(';') == string::npos) ? ':' : ';';
+   path += sep;
+   size_t start = 0;
+   while (true) {
+      size_t finish = path.find(sep, start);
+      if (finish == string::npos) break;
+      if (finish > start + 1) {
+         list.add(path.substr(start, finish - start - 1));
+      }
+      start = finish + 1;
+   }
+}
+
+static bool recursiveMatch(string str, int sx, string pattern, int px) {
+   int slen = str.length();
+   int plen = pattern.length();
+   if (px == plen) return (sx == slen);
+   char pch = pattern[px];
+   if (pch == '*') {
+      for (int i = sx; i <= slen; i++) {
+         if (recursiveMatch(str, i, pattern, px + 1)) return true;
+      }
+      return false;
+   }
+   if (sx == slen) return false;
+   char sch = str[sx];
+   if (pch == '[') {
+      bool match = false;
+      bool invert = false;
+      px++;
+      if (px == plen) {
+         error("matchFilenamePattern: missing ]");
+      }
+      if (pattern[px] == '^') {
+         px++;
+         invert = true;
+      }
+      while (px < plen && pattern[px] != ']') {
+         if (px + 2 < plen && pattern[px + 1] == '-') {
+            match |= (sch >= pattern[px] && sch <= pattern[px + 2]);
+            px += 3;
+         } else {
+            match |= (sch == pattern[px]);
+            px++;
+         }
+      }
+      if (px == plen) {
+         error("matchFilenamePattern: missing ]");
+      }
+      if (match == invert) return false;
+   } else if (pch != '?') {
+      if (pch != sch) return false;
+   }
+   return recursiveMatch(str, sx + 1, pattern, px + 1);
+}