diff options
Diffstat (limited to 'conf.c')
| -rw-r--r-- | conf.c | 263 |
1 files changed, 263 insertions, 0 deletions
@@ -0,0 +1,263 @@ +#include <stdio.h> +#include <errno.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <ncurses.h> + +#include "config.h" +#include "options.h" +#include "support.h" +#include "conf.h" + +#ifdef DEBUG +#define D(x) x +#else +#define D(x) +#endif + +#define RCFILE "." PACKAGE "rc" + +#define MAX_LINE_LENGTH 1024 +#define COMMENT_TOKEN '#' + +/* configuration field names */ +#define CONF_ENABLE_COLORS "enable_colors" +#define CONF_COLOR_BACKGROUND "background_color" +#define CONF_COLOR_TITLE "title_color" +#define CONF_COLOR_LINE "line_color" +#define CONF_COLOR_LIST "list_color" +#define CONF_COLOR_PROGRESS "progress_color" +#define CONF_COLOR_STATUS "status_color" +#define CONF_COLOR_ALERT "alert_color" + + +#define IS_WHITESPACE(c) (c==' ' || c=='\t' || c=='\r' || c=='\n') + + +static int +str2bool(char *str) +{ + if( !strcasecmp(str,"no") || !strcasecmp(str,"false") || + !strcasecmp(str,"off") || !strcasecmp(str,"0") ) + return 0; + return 1; +} + +static int +str2color(char *str) +{ + if( !strcasecmp(str,"black") ) + return COLOR_BLACK; + else if( !strcasecmp(str,"red") ) + return COLOR_RED; + else if( !strcasecmp(str,"green") ) + return COLOR_GREEN; + else if( !strcasecmp(str,"yellow") ) + return COLOR_YELLOW; + else if( !strcasecmp(str,"blue") ) + return COLOR_BLUE; + else if( !strcasecmp(str,"magenta") ) + return COLOR_MAGENTA; + else if( !strcasecmp(str,"cyan") ) + return COLOR_CYAN; + else if( !strcasecmp(str,"white") ) + return COLOR_WHITE; +#if 0 + else if( !strcasecmp(str,"grey") ) + return COLOR_BLACK | A_BOLD; + else if( !strcasecmp(str,"brightred") ) + return COLOR_RED | A_BOLD; + else if( !strcasecmp(str,"brightgreen") ) + return COLOR_GREEN | A_BOLD; + else if( !strcasecmp(str,"brightyellow") ) + return COLOR_YELLOW | A_BOLD; + else if( !strcasecmp(str,"brightblue") ) + return COLOR_BLUE | A_BOLD; + else if( !strcasecmp(str,"brightmagenta") ) + return COLOR_MAGENTA | A_BOLD; + else if( !strcasecmp(str,"brightcyan") ) + return COLOR_CYAN | A_BOLD; + else if( !strcasecmp(str,"brightwhite") ) + return COLOR_WHITE | A_BOLD; +#endif + fprintf(stderr,"Warning: unknown color %s\n", str); + return -1; +} + +int +read_rc_file(char *filename, options_t *options) +{ + int fd; + int quit = 0; + int color = -1; + int free_filename = 0; + + if( filename==NULL ) + { + filename = concat_path(getenv("HOME"), RCFILE); + free_filename = 1; + } + + D(printf("\n--Reading configuration file %s\n", filename)); + if( (fd=open(filename,O_RDONLY)) <0 ) + { + D(perror(filename)); + if( free_filename ) + free(filename); + return -1; + } + + while( !quit ) + { + int i,j; + int len; + int match_found; + char line[MAX_LINE_LENGTH]; + char name[MAX_LINE_LENGTH]; + char value[MAX_LINE_LENGTH]; + + line[0] = '\0'; + value[0] = '\0'; + + i = 0; + /* read a line ending with '\n' */ + do { + len = read( fd, &line[i], 1 ); + if( len == 1 ) + i++; + else + quit = 1; + } while( !quit && i<MAX_LINE_LENGTH && line[i-1]!='\n' ); + + + /* remove trailing whitespace */ + line[i] = '\0'; + i--; + while( i>=0 && IS_WHITESPACE(line[i]) ) + { + line[i] = '\0'; + i--; + } + len = i+1; + + if( len>0 ) + { + i = 0; + /* skip whitespace */ + while( i<len && IS_WHITESPACE(line[i]) ) + i++; + + /* continue if this line is not a comment */ + if( line[i] != COMMENT_TOKEN ) + { + /* get the name part */ + j=0; + while( i<len && line[i]!='=' && !IS_WHITESPACE(line[i]) ) + { + name[j++] = line[i++]; + } + name[j] = '\0'; + + /* skip '=' and whitespace */ + while( i<len && (line[i]=='=' || IS_WHITESPACE(line[i])) ) + i++; + + /* get the value part */ + j=0; + while( i<len ) + { + value[j++] = line[i++]; + } + value[j] = '\0'; + + match_found = 0; + + /* enable colors */ + if( !strcasecmp(CONF_ENABLE_COLORS, name) ) + { + options->enable_colors = str2bool(value); + match_found = 1; + } + /* background color */ + else if( !strcasecmp(CONF_COLOR_BACKGROUND, name) ) + { + if( (color=str2color(value)) >= 0 ) + options->bg_color = color; + match_found = 1; + } + /* color - top (title) window */ + else if( !strcasecmp(CONF_COLOR_TITLE, name) ) + { + if( (color=str2color(value)) >= 0 ) + options->title_color = color; + match_found = 1; + } + /* color - line (title) window */ + else if( !strcasecmp(CONF_COLOR_LINE, name) ) + { + if( (color=str2color(value)) >= 0 ) + options->line_color = color; + match_found = 1; + } + /* color - list window */ + else if( !strcasecmp(CONF_COLOR_LIST, name) ) + { + if( (color=str2color(value)) >= 0 ) + options->list_color = color; + match_found = 1; + } + /* color - progress bar */ + else if( !strcasecmp(CONF_COLOR_PROGRESS, name) ) + { + if( (color=str2color(value)) >= 0 ) + options->progress_color = color; + match_found = 1; + } + /* color - status window */ + else if( !strcasecmp(CONF_COLOR_STATUS, name) ) + { + if( (color=str2color(value)) >= 0 ) + options->status_color = color; + match_found = 1; + } + /* color - alerts */ + else if( !strcasecmp(CONF_COLOR_ALERT, name) ) + { + if( (color=str2color(value)) >= 0 ) + options->alert_color = color; + match_found = 1; + } + + + if( !match_found ) + fprintf(stderr, + "Unknown configuration parameter: %s\n", + name); +#ifdef DEBUG + printf( " %s = %s %s\n", + name, + value, + match_found ? "" : "- UNKNOWN SETTING!" ); +#endif + + } + } + } + + D(printf( "--\n\n" )); + + if( free_filename ) + free(filename); + + return 0; +} + + + + + + |