Client: Added support for paged output

6 files changed, 78 insertions, 51 deletions

diff --git a/src/Client/CMakeLists.txt b/src/Client/CMakeLists.txt
index dda77f3..b1f6d1f 100644
--- a/src/Client/CMakeLists.txt
+++ b/src/Client/CMakeLists.txt
@@ -18,8 +18,8 @@ mad_library(Client
   
   Application.cpp Application.h
   CommandParser.cpp CommandParser.h
+  ConsoleUtil.cpp ConsoleUtil.h
   InformationManager.cpp InformationManager.h
-  PasswordReader.cpp PasswordReader.h
   SystemCommands.cpp SystemCommands.h
   UserCommands.cpp UserCommands.h
   UserListCommands.cpp UserListCommands.h
diff --git a/src/Client/PasswordReader.cpp b/src/Client/ConsoleUtil.cpp
index cb77ad5..1a032d2 100644
--- a/src/Client/PasswordReader.cpp
+++ b/src/Client/ConsoleUtil.cpp
@@ -1,5 +1,5 @@
 /*
- * PasswordReader.cpp
+ * ConsoleUtil.cpp
  *
  * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
  *
@@ -17,7 +17,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "PasswordReader.h"
+#include "ConsoleUtil.h"
 
 #include <iostream>
 
@@ -25,6 +25,8 @@
 # define WIN32_LEAN_AND_MEAN
 # include <windows.h>
 #else
+# include <stdio.h>
+# include <stdlib.h>
 # include <termios.h>
 # include <unistd.h>
 #endif
@@ -32,7 +34,7 @@
 namespace Mad {
 namespace Client {
 
-Core::String PasswordReader::readPassword(const Core::String &prompt) {
+Core::String ConsoleUtil::readPassword(const Core::String &prompt) {
 #ifdef _WIN32
   DWORD mode;
   HANDLE handle = GetStdHandle(STD_INPUT_HANDLE);
@@ -61,5 +63,26 @@ Core::String PasswordReader::readPassword(const Core::String &prompt) {
   return password;
 }
 
+void ConsoleUtil::printPaged(const Core::String &output) {
+#ifdef _WIN32
+  std::cout << output << std::endl;
+#else
+  // TODO Make pager command configurable
+  FILE *pipe = popen("pager", "w");
+  if(!pipe)
+    pipe = popen("less", "w");
+  if(!pipe)
+    pipe = popen("more", "w");
+  if(!pipe) {
+    std::cout << output << std::endl;
+    return;
+  }
+
+  fputs(output.toLocale().c_str(), pipe);
+  // TODO Error handling
+  pclose(pipe);
+#endif
+}
+
 }
 }
diff --git a/src/Client/PasswordReader.h b/src/Client/ConsoleUtil.h
index d96c9c1..8d011f3 100644
--- a/src/Client/PasswordReader.h
+++ b/src/Client/ConsoleUtil.h
@@ -1,5 +1,5 @@
 /*
- * PasswordReader.h
+ * ConsoleUtil.h
  *
  * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
  *
@@ -17,8 +17,8 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef MAD_CLIENT_PASSWORDREADER_H_
-#define MAD_CLIENT_PASSWORDREADER_H_
+#ifndef MAD_CLIENT_CONSOLEUTIL_H_
+#define MAD_CLIENT_CONSOLEUTIL_H_
 
 #include "export.h"
 
@@ -27,15 +27,16 @@
 namespace Mad {
 namespace Client {
 
-class MAD_CLIENT_EXPORT PasswordReader {
+class MAD_CLIENT_EXPORT ConsoleUtil {
   private:
-    PasswordReader();
+    ConsoleUtil();
 
   public:
     static Core::String readPassword(const Core::String &prompt);
+    static void printPaged(const Core::String &output);
 };
 
 }
 }
 
-#endif /* MAD_CLIENT_PASSWORDREADER_H_ */
+#endif /* MAD_CLIENT_CONSOLEUTIL_H_ */
diff --git a/src/Client/UserCommands.cpp b/src/Client/UserCommands.cpp
index fe5343c..2fc33db 100644
--- a/src/Client/UserCommands.cpp
+++ b/src/Client/UserCommands.cpp
@@ -20,7 +20,7 @@
 #include "UserCommands.h"
 #include "Application.h"
 #include "CommandParser.h"
-#include "PasswordReader.h"
+#include "ConsoleUtil.h"
 
 #include <Common/RequestManager.h>
 #include <Common/UserManager.h>
@@ -511,8 +511,8 @@ void UserCommands::setPasswordCommand(CommandParser *commandParser, const std::v
     return;
   }
 
-  Core::String password = PasswordReader::readPassword("Password: ");
-  Core::String password2 = PasswordReader::readPassword("Verify password: ");
+  Core::String password = ConsoleUtil::readPassword("Password: ");
+  Core::String password2 = ConsoleUtil::readPassword("Verify password: ");
 
   if(password != password2) {
     std::cerr << "Passwords do not match." << std::endl;
diff --git a/src/Client/UserListCommands.cpp b/src/Client/UserListCommands.cpp
index 1da2d38..7f2a26b 100644
--- a/src/Client/UserListCommands.cpp
+++ b/src/Client/UserListCommands.cpp
@@ -19,6 +19,7 @@
 
 #include "UserListCommands.h"
 #include "Application.h"
+#include "ConsoleUtil.h"
 #include "XLSReader.h"
 #include "XLSSheet.h"
 #include "Requests/UserLists/UserListListRequest.h"
@@ -169,7 +170,7 @@ void UserListCommands::showListCommand(CommandParser *commandParser, const std::
     std::cout << "User list '" << args[2];
 
     if(userList->isEmpty()) {
-      std::cout << " is empty." << std::endl;
+      std::cout << " is empty." << std::endl << std::endl;
     }
     else {
       std::cout << "' contains " << userList->getLength() << " user";
@@ -179,8 +180,6 @@ void UserListCommands::showListCommand(CommandParser *commandParser, const std::
 
       printUserList(*userList);
     }
-
-    std::cout << std::endl;
   }
   else {
     std::cerr << args[0] << " " << args[1] << ": Too many arguments." << std::endl;
@@ -351,6 +350,7 @@ void UserListCommands::importCommand(CommandParser *commandParser, const std::ve
 
 
 void UserListCommands::printUserList(const Common::UserLists::UserList &list) {
+  Core::String output;
   std::map<Core::String, boost::int32_t> lengths;
 
   static const Core::String USER_NAME = "User name";
@@ -381,50 +381,52 @@ void UserListCommands::printUserList(const Common::UserLists::UserList &list) {
     }
   }
 
-  std::cout << " ";
-  printPadded(USER_NAME, lengths.find(USER_NAME)->second);
-  std::cout << "   ";
-  printPadded(GROUP_NAME, lengths.find(GROUP_NAME)->second);
+  output += " ";
+  output += makePaddedString(USER_NAME, lengths.find(USER_NAME)->second);
+  output += "   ";
+  output += makePaddedString(GROUP_NAME, lengths.find(GROUP_NAME)->second);
   for(std::set<Core::String>::iterator detail = details.begin(); detail != details.end(); ++detail) {
-    std::cout << "   ";
-    printPadded(*detail, lengths.find(*detail)->second);
+    output += "   ";
+    output += makePaddedString(*detail, lengths.find(*detail)->second);
   }
-  std::cout << std::endl;
+  output += "\n";
 
-  std::cout << "-";
-  printDelimiter(lengths.find(USER_NAME)->second);
-  std::cout << "- -";
-  printDelimiter(lengths.find(GROUP_NAME)->second);
+  output += "-";
+  output += makeDelimiter(lengths.find(USER_NAME)->second);
+  output += "- -";
+  output += makeDelimiter(lengths.find(GROUP_NAME)->second);
   for(std::set<Core::String>::iterator detail = details.begin(); detail != details.end(); ++detail) {
-    std::cout << "- -";
-    printDelimiter(lengths.find(*detail)->second);
+    output += "- -";
+    output += makeDelimiter(lengths.find(*detail)->second);
   }
-  std::cout << "-" << std::endl;
+  output += "-\n";
 
   for(Common::UserLists::UserList::const_iterator user = list.begin(); user != list.end(); ++user) {
     static const Core::String UNSET("<unset>");
 
-    std::cout << " ";
+    output += " ";
 
     if(!user->getName().isEmpty())
-      printPadded(user->getName(), lengths.find(USER_NAME)->second);
+      output += makePaddedString(user->getName(), lengths.find(USER_NAME)->second);
     else
-      printPadded(UNSET, lengths.find(USER_NAME)->second);
+      output += makePaddedString(UNSET, lengths.find(USER_NAME)->second);
 
-    std::cout << "   ";
+    output += "   ";
 
     if(!user->getGroup().isEmpty())
-      printPadded(user->getGroup(), lengths.find(GROUP_NAME)->second);
+      output += makePaddedString(user->getGroup(), lengths.find(GROUP_NAME)->second);
     else
-      printPadded(UNSET, lengths.find(GROUP_NAME)->second);
+      output += makePaddedString(UNSET, lengths.find(GROUP_NAME)->second);
 
     for(std::set<Core::String>::iterator detail = details.begin(); detail != details.end(); ++detail) {
-      std::cout << "   ";
-      printPadded(user->getDetail(*detail), lengths.find(*detail)->second);
+      output += "   ";
+      output += makePaddedString(user->getDetail(*detail), lengths.find(*detail)->second);
     }
 
-    std::cout << std::endl;
+    output += "\n";
   }
+
+  ConsoleUtil::printPaged(output);
 }
 
 void UserListCommands::printSheet(const XLSSheet &sheet, unsigned rowCount) {
@@ -454,16 +456,16 @@ void UserListCommands::printSheet(const XLSSheet &sheet, unsigned rowCount) {
     std::cout << "   ";
 
     if(!sheet.getColumnName(col).isEmpty())
-      printPadded(sheet.getColumnName(col), lengths[col]);
+      std::cout << makePaddedString(sheet.getColumnName(col), lengths[col]);
     else
-      printPadded(DELETE, lengths[col]);
+      std::cout << makePaddedString(DELETE, lengths[col]);
   }
   std::cout << std::endl;
 
   std::cout << " ";
   for(unsigned col = 0; col < sheet.getColumnCount(); ++col) {
     std::cout << " -";
-    printDelimiter(lengths[col]);
+    std::cout << makeDelimiter(lengths[col]);
     std::cout << "-";
   }
   std::cout << std::endl;
@@ -473,7 +475,7 @@ void UserListCommands::printSheet(const XLSSheet &sheet, unsigned rowCount) {
 
     for(unsigned col = 0; col < sheet.getColumnCount(); ++col) {
       std::cout << "   ";
-      printPadded(row[col], lengths[col]);
+      std::cout << makePaddedString(row[col], lengths[col]);
     }
 
     std::cout << std::endl;
@@ -482,21 +484,22 @@ void UserListCommands::printSheet(const XLSSheet &sheet, unsigned rowCount) {
   if(rowCount > 0 && rows.size() > rowCount) {
     for(unsigned col = 0; col < sheet.getColumnCount(); ++col) {
       std::cout << "   ";
-      printPadded("...", lengths[col]);
+      std::cout << makePaddedString("...", lengths[col]);
     }
 
     std::cout << std::endl;
   }
 }
 
-void UserListCommands::printPadded(const Core::String &str, boost::int32_t length) {
-  std::cout << str;
+Core::String UserListCommands::makePaddedString(const Core::String &str, boost::int32_t length) {
   if(str.length() < length)
-    std::cout << std::string(length-str.length(), ' ');
+    return str + Core::String::fromString(std::string(length-str.length(), ' '));
+  else
+    return str;
 }
 
-void UserListCommands::printDelimiter(boost::int32_t length) {
-  printPadded(Core::String::fromString(std::string(length, '-')), length);
+Core::String UserListCommands::makeDelimiter(boost::int32_t length) {
+  return Core::String::fromString(std::string(length, '-'));
 }
 
 
diff --git a/src/Client/UserListCommands.h b/src/Client/UserListCommands.h
index ab20974..79ea621 100644
--- a/src/Client/UserListCommands.h
+++ b/src/Client/UserListCommands.h
@@ -54,8 +54,8 @@ class MAD_CLIENT_EXPORT UserListCommands {
 
     static void printUserList(const Common::UserLists::UserList &list);
     static void printSheet(const XLSSheet &sheet, unsigned rowCount = 0);
-    static void printPadded(const Core::String &str, boost::int32_t length);
-    static void printDelimiter(boost::int32_t length);
+    static Core::String makePaddedString(const Core::String &str, boost::int32_t length);
+    static Core::String makeDelimiter(boost::int32_t length);
 
   public:
     static void userListCommand(CommandParser *commandParser, const std::vector<Core::String> &args);