Diffstat (limited to 'noncore/games/sfcave-sdl/settings.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/games/sfcave-sdl/settings.cpp | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/noncore/games/sfcave-sdl/settings.cpp b/noncore/games/sfcave-sdl/settings.cpp new file mode 100644 index 0000000..914c4ec --- a/dev/null +++ b/noncore/games/sfcave-sdl/settings.cpp @@ -0,0 +1,273 @@ +#include <stdio.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <vector> + +#include "settings.h" + + +#define DEFAULT_DIR "." +#define DEFAULT_FILE "Settings.cfg" +#define MAX_LINE_SIZE 2048 + + +Settings::Settings( char * env_file, char * env_dir ) +{ + // Store the correct environment directory + if (env_dir == NULL) + { + char * homeDir = getenv( "HOME" );; + + if ( homeDir ) + { + envFile.append(homeDir); + envFile.append("/"); + } + else + printf( "Environment var HOME not set!\n" ); + + envFile.append(DEFAULT_DIR); + } + else + envFile.append(env_dir); + + envFile.append("/"); + + // Store the correct environment file + if (env_file == NULL) + envFile.append(DEFAULT_FILE); + else + envFile.append(env_file); +} + +Settings::Settings() +{ + char * homeDir = getenv("HOME"); + + if ( homeDir) + { + envFile.append(homeDir); + envFile.append("/"); + } + else + printf( "Environment var HOME not set!\n" ); + + envFile.append(DEFAULT_DIR); + envFile.append("/"); + + envFile.append(DEFAULT_FILE); +} + +Settings::~Settings() +{ +} + +bool Settings::readSetting(const string key_str,int& result) +{ + string Buffer; + if (readSetting(key_str,Buffer)) + { + result = atoi(Buffer.c_str()); + return true; + } + else + return false; +} + +bool Settings::readSetting(const string key_str,unsigned int& result) +{ + string Buffer; + if (readSetting(key_str,Buffer)) + { + result = atoi(Buffer.c_str()); + return true; + } + else + return false; +} + +bool Settings::readSetting(const string key_str,long int& result) +{ + string Buffer; + if (readSetting(key_str,Buffer)) + { + result = atol(Buffer.c_str()); + return true; + } + else + return false; +} + +bool Settings::readSetting(const string key_str,unsigned long& result) +{ + string Buffer; + if (readSetting(key_str,Buffer)) + { + result = atol(Buffer.c_str()); + return true; + } + else + return false; +} + +bool Settings::readSetting(const string key_str,bool& result) +{ + string Buffer; + if (readSetting(key_str,Buffer)) + { + result = (Buffer == "true"); + return true; + } + else + return false; +} + +bool Settings::readSetting(const string key_str,string& results) +{ + // This function will read a string from the env file that corresponds to the + // key key_str passed in. + FILE * fd = 0; + char buf[MAX_LINE_SIZE]; + bool ret_flag = false; + char* key; + char* value; + + // open file + fd = fopen(envFile.c_str(), "r"); + + if (fd) + { + while (fgets(buf, MAX_LINE_SIZE-1, fd)) + { + key = strtok(buf, "\t"); + value = strtok(NULL, "\n"); + // find key in file + if (!strcasecmp(key,key_str.c_str())) + { + results = value; + ret_flag = true; + } + } + fclose(fd); + } + + return(ret_flag); +} + +void Settings::writeSetting(const string key_str,const bool value) +{ + value ? writeSetting(key_str,string("true")) :writeSetting(key_str,string("false")); +} + +void Settings::writeSetting(const string key_str,const int value) +{ + char Buffer[30]; + + sprintf(Buffer,"%i",value); + writeSetting(key_str,string(Buffer)); +} + +void Settings::writeSetting(const string key_str,const unsigned int value) +{ + char Buffer[30]; + + sprintf(Buffer,"%i",value); + writeSetting(key_str,string(Buffer)); +} + +void Settings::writeSetting(const string key_str,const long int value) +{ + char Buffer[30]; + + sprintf(Buffer,"%li",value); + writeSetting(key_str,string(Buffer)); +} + +void Settings::writeSetting(const string key_str,const unsigned long value) +{ + char Buffer[30]; + + sprintf(Buffer,"%lu",value); + writeSetting(key_str,string(Buffer)); +} + +void Settings::writeSetting(const string key_str,const string value) +{ + // This function will write a value for the key key_str. If the key_str + // already exists then it will be overwritten. + + std::vector<string> FileEntries; + FILE *fd=NULL,*ftemp=NULL; + char * dir_str; + char * dir_ptr; + char buf[MAX_LINE_SIZE]; + char tempname[12]; + + dir_str = strdup(envFile.c_str()); + printf( "dir = %s, file - %s\n", dir_str, envFile.c_str() ); + if (dir_str) + { + // remove file from the directory string + dir_ptr = strrchr(dir_str, (int)'/'); + if (dir_ptr) + { + *dir_ptr = 0; + + // make the directory path if it does not exist +// mkdir(dir_str, 777 ); + + // if file exists we need to save contents + if ((fd = fopen(envFile.c_str(), "r")) != NULL) + { + while (fgets(buf, MAX_LINE_SIZE-1, fd)) + FileEntries.push_back(string(buf)); + fclose(fd); + } + + char *home = getenv( "HOME" ); + string tmp; + if ( home ) + tmp = home + string( "/" ) + "tmpsfcave.dat"; + else + tmp = "./tmpsfcave.dat"; + strcpy(tempname,tmp.c_str() ); + printf( "tmp - %s\n", tempname ); + if ((ftemp = fopen(tempname,"w")) != NULL) + { + char *key1,*key2; + char buff1[80],buff2[80]; + + strncpy(buff1,key_str.c_str(),80); + key1 = strtok(buff1,"\t"); + for (std::vector<string>::iterator iter = FileEntries.begin(); iter < FileEntries.end(); iter++) + { + strncpy(buff2,(*iter).c_str(),80); + key2 = strtok(buff2,"\t"); + // IF not the key string then write out to file + if (strcmp(key1,key2) != 0) + { + fprintf(ftemp,"%s",iter->c_str()); + fflush(ftemp); + } + } + + fprintf(ftemp, "%s\t%s\n", key_str.c_str(),value.c_str()); + fflush(ftemp); + fclose(ftemp); + + remove(envFile.c_str()); + + rename( tempname, envFile.c_str() ); + } + else + printf( "Can't open file %s\n", envFile.c_str() ); + } + + delete dir_str; + } +} + +void Settings::deleteFile(void) +{ + remove(envFile.c_str()); +} |