New ConfigFile class for generic config file reading/writing in homedir .drumgizmo folder. Use said new class for PluginConfig class.

3 files changed, 272 insertions, 0 deletions

diff --git a/src/Makefile.am.drumgizmo b/src/Makefile.am.drumgizmo
index 26e2a30..1a3c857 100644
--- a/src/Makefile.am.drumgizmo
+++ b/src/Makefile.am.drumgizmo
@@ -4,6 +4,7 @@ DRUMGIZMO_SOURCES = \
 	$(top_srcdir)/src/channel.cc \
 	$(top_srcdir)/src/channelmixer.cc \
 	$(top_srcdir)/src/chresampler.cc \
+	$(top_srcdir)/src/configfile.cc \
 	$(top_srcdir)/src/configuration.cc \
 	$(top_srcdir)/src/configparser.cc \
 	$(top_srcdir)/src/drumgizmo.cc \
diff --git a/src/configfile.cc b/src/configfile.cc
new file mode 100644
index 0000000..bb7155f
--- /dev/null
+++ b/src/configfile.cc
@@ -0,0 +1,215 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            configfile.cc
+ *
+ *  Thu May 14 14:51:39 CEST 2015
+ *  Copyright 2015 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "configfile.h"
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#ifdef WIN32
+#include <direct.h>
+#include <windows.h>
+#include <Shlobj.h>
+#include <Shlwapi.h>
+#else
+#endif
+
+#include <hugin.hpp>
+  
+#ifdef WIN32
+  #define SEP "\\"
+  #define CONFIGDIRNAME ".drumgizmo"
+#else
+  #define SEP "/"
+  #define CONFIGDIRNAME ".drumgizmo"
+#endif
+
+/**
+ * Return the path containing the config files.
+ */
+static std::string configPath()
+{
+#ifdef WIN32
+  std::string configpath;
+  TCHAR szPath[256];
+  if(SUCCEEDED(SHGetFolderPath(NULL, CSIDL_APPDATA | CSIDL_FLAG_CREATE,
+                               NULL, 0, szPath))) {
+    configpath = szPath;
+  }
+#else
+  std::string configpath = strdup(getenv("HOME"));
+#endif
+  configpath += SEP;
+  configpath += CONFIGDIRNAME;
+
+  return configpath;
+}
+
+/**
+ * Calling this makes sure that the config path exists
+ */
+static bool createConfigPath()
+{
+  std::string configpath = configPath();
+
+  struct stat st;
+  if(stat(configpath.c_str(), &st) == 0) {
+    DEBUG(configfile, "No configuration exists, creating directory '%s'\n",
+          configpath.c_str());
+#ifdef WIN32
+    if(mkdir(configpath.c_str()) < 0) { 
+#else
+    if(mkdir(configpath.c_str(), 0755) < 0) { 
+#endif
+      DEBUG(pluginconfig, "Could not create config directory\n");
+    }
+
+    return false;
+  }
+
+  return true;
+}
+
+ConfigFile::ConfigFile(std::string filename)
+  : filename(filename)
+  , fp(NULL)
+{
+}
+
+ConfigFile::~ConfigFile()
+{
+}
+
+void ConfigFile::load()
+{
+  DEBUG(pluginconfig, "Loading config file...\n");
+  if(!open("r")) return;
+
+  values.clear();
+
+  std::string line;
+  while(true) {
+    line = readLine();
+
+    if(line == "") break;
+
+    if(line[line.size() - 1] == '\n') {
+      line = line.substr(0, line.size() - 1); // strip ending newline.
+    }
+
+    std::size_t colon = line.find(':');
+
+    if(colon == std::string::npos) break; // malformed line
+
+    std::string key = line.substr(0, colon);
+    std::string value = line.substr(colon + 1);
+
+    printf("key['%s'] value['%s']\n", key.c_str(), value.c_str());
+
+    if(key != "") {
+      values[key] = value;
+    }
+  }
+
+  close();
+}
+
+void ConfigFile::save()
+{
+  DEBUG(pluginconfig, "Saving configuration...\n");
+
+  createConfigPath();
+
+  if(!open("w")) return;
+
+  std::map<std::string, std::string>::iterator v = values.begin();
+  for(; v != values.end(); ++v) {
+    fprintf(fp, "%s:%s\n", v->first.c_str(), v->second.c_str());
+  }
+
+  close();
+}
+
+std::string ConfigFile::getValue(const std::string& key)
+{
+  if(values.find(key) != values.end()) {
+    return values[key];
+  }
+
+  return "";
+}
+
+void ConfigFile::setValue(const std::string& key, const std::string& value)
+{
+  values[key] = value;
+}
+
+bool ConfigFile::open(std::string mode)
+{
+  if(fp) close();
+
+  std::string configpath = configPath();
+
+  std::string configfile = configpath;
+  configfile += SEP;
+  configfile += filename;
+
+  DEBUG(pluginconfig, "Opening config file '%s'\n", configfile.c_str());
+  fp = fopen(configfile.c_str(), mode.c_str());
+
+  if(!fp) return false;
+
+  return true;
+}
+
+void ConfigFile::close()
+{
+  fclose(fp);
+  fp = NULL;
+}
+
+std::string ConfigFile::readLine()
+{
+  if(!fp) return "";
+
+  std::string line;
+
+  char buf[1024];
+  while(!feof(fp)) {
+    char *s = fgets(buf, sizeof(buf), fp);
+    if(s) {
+      line += buf;
+      if(buf[strlen(buf) - 1] == '\n') break;
+    }
+  }
+
+  return line;
+}
diff --git a/src/configfile.h b/src/configfile.h
new file mode 100644
index 0000000..21a6b88
--- /dev/null
+++ b/src/configfile.h
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            configfile.h
+ *
+ *  Thu May 14 14:51:38 CEST 2015
+ *  Copyright 2015 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#ifndef __DRUMGIZMO_CONFIGFILE_H__
+#define __DRUMGIZMO_CONFIGFILE_H__
+
+#include <string>
+#include <map>
+#include <stdio.h>
+
+class ConfigFile {
+public:
+  ConfigFile(std::string filename);
+  virtual ~ConfigFile();
+
+  virtual void load();
+  virtual void save();
+
+  virtual std::string getValue(const std::string& key);
+  virtual void setValue(const std::string& key, const std::string& value);
+
+protected:
+  std::map<std::string, std::string> values;
+  std::string filename;
+
+  bool open(std::string mode);
+  void close();
+  std::string readLine();
+
+  FILE* fp;
+};
+
+#endif/*__DRUMGIZMO_CONFIGFILE_H__*/