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#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;
}
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