Initial revision

CVS patchset: 1
CVS date: 2001/04/18 22:33:39

1 files changed, 293 insertions, 0 deletions

diff --git a/src/xine-engine/configfile.c b/src/xine-engine/configfile.c
new file mode 100644
index 000000000..1903db791
--- /dev/null
+++ b/src/xine-engine/configfile.c
@@ -0,0 +1,293 @@
+/* 
+ * Copyright (C) 2000-2001 the xine project
+ * 
+ * This file is part of xine, a unix video player.
+ * 
+ * xine 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.
+ * 
+ * xine 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * $Id: configfile.c,v 1.1 2001/04/18 22:36:01 f1rmb Exp $
+ *
+ * config file management - implementation
+ *
+ */
+ 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "configfile.h"
+#include "utils.h"
+
+typedef struct cfg_entry_s {
+  struct cfg_entry_s *next;
+  char               *key, *value;
+} cfg_entry_t;
+
+struct cfg_data_s {
+  cfg_entry_t *gConfig, *gConfigLast;
+};
+
+
+
+/*
+ * internal utility functions
+ *******************************/
+
+void config_file_add (config_values_t *this, char *key, char *value) {
+
+  cfg_entry_t *entry;
+  int          len;
+
+  entry = (cfg_entry_t *) xmalloc (sizeof (cfg_entry_t));
+
+  len = strlen (key);
+  entry->key = (char *) xmalloc (len+2);
+  strncpy (entry->key, key, len+1);
+
+  len = strlen (value);
+  entry->value = (char *) xmalloc (len+21);
+  strncpy (entry->value, value, len+1);
+
+  entry->next = NULL;
+
+  if (this->data->gConfigLast) 
+    this->data->gConfigLast->next = entry;
+  else
+    this->data->gConfig = entry;
+  
+  this->data->gConfigLast = entry;
+
+}
+
+
+
+
+cfg_entry_t *config_file_search (config_values_t *this, char *key) {
+  cfg_entry_t *entry;
+
+  entry = this->data->gConfig;
+
+  while (entry && strcmp (entry->key, key))
+    entry = entry->next;
+
+  return entry;
+}
+
+
+
+/*
+ * external interface
+ ***********************/
+
+static char *config_file_lookup_str (config_values_t *this,
+				     char *key, char*str_default) {
+  cfg_entry_t *entry;
+
+  entry = config_file_search (this, key);
+
+  if (entry)
+    return entry->value;
+
+  config_file_add (this, key, str_default);
+
+  return str_default;
+}
+
+
+
+
+static int config_file_lookup_int (config_values_t *this,
+				   char *key, int n_default) {
+
+  cfg_entry_t *entry;
+  char str[25];
+
+  entry = config_file_search (this, key);
+
+  if (entry) {
+    int n;
+
+    if (sscanf (entry->value, "%d", &n) == 1) 
+      return n;
+  }
+
+  sprintf (str, "%d", n_default);
+
+  config_file_add (this, key, str);
+
+  return n_default; 
+}
+
+
+
+
+static void config_file_set_int (config_values_t *this,
+				 char *key, int value) {
+  
+  cfg_entry_t *entry;
+
+  entry = config_file_search (this, key);
+
+  if (entry) {
+    sprintf (entry->value, "%d", value);
+  }
+  else {
+    char str[25];
+    sprintf (str, "%d", value);
+
+    config_file_add (this, key, str);
+  }
+}
+
+
+
+
+static void config_file_set_str (config_values_t *this,
+				 char *key, char *value) {
+
+  cfg_entry_t *entry;
+
+  entry = config_file_search (this, key);
+
+  if (entry) {
+    int len;
+
+    free (entry->value);
+
+    len = strlen (value);
+    entry->value = (char *) xmalloc (len+20);
+    strncpy (entry->value, value, len);
+
+  }
+  else {
+    config_file_add (this, key, value);
+  }
+}
+
+
+
+
+static void config_file_save (config_values_t *this) {
+  FILE *f_config;
+  char filename[1024];
+
+  sprintf (filename, "%s/.xinerc", get_homedir());
+
+  f_config = fopen (filename, "w");
+
+  if (f_config) {
+    
+    cfg_entry_t *entry;
+
+    fprintf (f_config, "#\n# xine config file\n#\n");
+
+    entry = this->data->gConfig;
+
+    while (entry) {
+      fprintf (f_config, "%s:%s\n",entry->key,entry->value);
+      entry = entry->next;
+    }
+
+    fclose (f_config);
+  }  
+}
+
+
+
+
+static void config_file_read (config_values_t *this, char *filename){
+
+  FILE *f_config;
+
+  f_config = fopen (filename, "r");
+  
+  if (f_config) {
+    
+    char line[1024];
+    char *value;
+    
+    while (fgets (line, 1023, f_config)) {
+      line[strlen(line)-1]= (char) 0; /* eliminate lf */
+      
+      if (line[0] == '#')
+	continue;
+      
+      if ((value = strchr (line, ':'))) {
+	*value = (char) 0;
+	  value++;
+	  
+	  config_file_add (this, line, value);
+      }
+      
+    }
+    
+    fclose (f_config);
+  }
+}
+
+
+
+
+config_values_t *config_file_init (char *filename) {
+
+  config_values_t *this;
+  cfg_data_t *data;
+
+  if ( (this = xmalloc(sizeof(config_values_t))) ) {
+    if ( (data = xmalloc(sizeof(cfg_data_t))) ) {
+      data->gConfig = NULL;
+      data->gConfigLast = NULL;
+      this->data = data;
+      config_file_read (this, filename);
+
+    }
+    else {
+      fprintf (stderr, "WARNING: could not allocate config data\n");
+    }
+  }
+  else {
+    fprintf (stderr, "WARNING: could not allocate config values list\n");
+  }
+
+  this->lookup_str = config_file_lookup_str;
+  this->lookup_int = config_file_lookup_int;
+  this->set_str    = config_file_set_str;
+  this->set_int    = config_file_set_int;
+  this->save       = config_file_save;
+  this->read       = config_file_read;
+
+  return this;
+}
+
+
+/*
+ * $Log: configfile.c,v $
+ * Revision 1.1  2001/04/18 22:36:01  f1rmb
+ * Initial revision
+ *
+ * Revision 1.8  2001/03/31 03:42:25  guenter
+ * more cleanups, started xv driver
+ *
+ * Revision 1.7  2001/03/28 12:30:25  siggi
+ * fixed init function
+ * added read function (multiple config files now supported)
+ *
+ * Revision 1.6  2001/03/27 17:12:49  siggi
+ * made config file handler a dynamic "object"
+ *
+ */