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-rw-r--r--Build/source/utils/dialog/rc.c377
1 files changed, 0 insertions, 377 deletions
diff --git a/Build/source/utils/dialog/rc.c b/Build/source/utils/dialog/rc.c
deleted file mode 100644
index 6b956a66255..00000000000
--- a/Build/source/utils/dialog/rc.c
+++ /dev/null
@@ -1,377 +0,0 @@
-/*
- * rc.c -- routines for processing the configuration file
- *
- * AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
- *
- * This program 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.
- *
- * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifdef HAVE_NCURSES
-
-#include "dialog.h"
-#include "colors.h"
-#include "rc.h"
-
-
-static char *attr_to_str(int fg, int bg, int hl);
-static int str_to_attr(char *str, int *fg, int *bg, int *hl);
-static int parse_line(char *line, char **var, char **value);
-
-
-/*
- * Create the configuration file
- */
-void create_rc(char *filename)
-{
- int i;
- FILE *rc_file;
-
- if ((rc_file = fopen(filename, "wt")) == NULL) {
- fprintf(stderr, "\nError opening file for writing in create_rc().\n");
- exit(-1);
- }
-
- fprintf(rc_file, "#\
-\n# Run-time configuration file for dialog\
-\n#\
-\n# Automatically generated by \"dialog --create-rc <file>\"\
-\n#\
-\n#\
-\n# Types of values:\
-\n#\
-\n# Number - <number>\
-\n# String - \"string\"\
-\n# Boolean - <ON|OFF>\
-\n# Attribute - (foreground,background,highlight?)\
-\n#\n\n");
-
- /* Print an entry for each configuration variable */
- for (i = 0; i < VAR_COUNT; i++) {
- fprintf(rc_file, "\n# %s\n", vars[i].comment); /* print comment */
- switch (vars[i].type) {
- case VAL_INT:
- fprintf(rc_file, "%s = %d\n", vars[i].name, *((int *) vars[i].var));
- break;
- case VAL_STR:
- fprintf(rc_file, "%s = \"%s\"\n", vars[i].name, (char *) vars[i].var);
- break;
- case VAL_BOOL:
- fprintf(rc_file, "%s = %s\n", vars[i].name, *((bool *) vars[i].var) ? "ON" : "OFF");
- break;
- case VAL_ATTR:
- fprintf(rc_file, "%s = %s\n", vars[i].name, attr_to_str(((int *) vars[i].var)[0], ((int *) vars[i].var)[1], ((int *) vars[i].var)[2]));
- break;
- }
- }
-
- fclose(rc_file);
-}
-/* End of create_rc() */
-
-
-/*
- * Parse the configuration file and set up variables
- */
-int parse_rc(void)
-{
- int i, l = 1, parse, fg, bg, hl;
- char str[MAX_LEN+1], *var, *value, *tempptr;
- FILE *rc_file;
-
- /*
- *
- * At start, 'dialog' determines the settings to use as follows:
- *
- * a) if environment variable DIALOGRC is set, it's value determines the
- * name of the configuration file.
- *
- * b) if the file in (a) can't be found, use the file $HOME/.dialogrc
- * as the configuration file.
- *
- * c) if the file in (b) can't be found, use compiled in defaults.
- *
- */
-
- if ((tempptr = getenv("DIALOGRC")) != NULL)
- rc_file = fopen(tempptr, "rt");
-
- if (tempptr == NULL || rc_file == NULL) { /* step (a) failed? */
- /* try step (b) */
- if ((tempptr = getenv("HOME")) == NULL)
- return 0; /* step (b) failed, use default values */
-
- if (tempptr[0] == '\0' || lastch(tempptr) == '/')
- sprintf(str, "%s%s", tempptr, DIALOGRC);
- else
- sprintf(str, "%s/%s", tempptr, DIALOGRC);
-
- if ((rc_file = fopen(str, "rt")) == NULL)
- return 0; /* step (b) failed, use default values */
- }
-
- /* Scan each line and set variables */
- while (fgets(str, MAX_LEN, rc_file) != NULL) {
- if (lastch(str) != '\n') { /* ignore rest of file if line too long */
- fprintf(stderr, "\nParse error: line %d of configuration file too long.\n", l);
- fclose(rc_file);
- return -1; /* parse aborted */
- }
- else {
- lastch(str) = '\0';
- parse = parse_line(str, &var, &value); /* parse current line */
-
- switch (parse) {
- case LINE_BLANK: /* ignore blank lines and comments */
- case LINE_COMMENT:
- break;
- case LINE_OK:
- /* search table for matching config variable name */
- for (i = 0; i < VAR_COUNT && strcmp(vars[i].name, var); i++);
-
- if (i == VAR_COUNT) { /* no match */
- fprintf(stderr, "\nParse error: unknown variable at line %d of configuration file.\n", l);
- return -1; /* parse aborted */
- }
- else { /* variable found in table, set run time variables */
- switch (vars[i].type) {
- case VAL_INT:
- *((int *) vars[i].var) = atoi(value);
- break;
- case VAL_STR:
- if (!isquote(value[0]) || !isquote(lastch(value)) || strlen(value) < 2) {
- fprintf(stderr, "\nParse error: string value expected at line %d of configuration file.\n", l);
- return -1; /* parse aborted */
- }
- else {
- /* remove the (") quotes */
- value++;
- lastch(value) = '\0';
- strcpy((char *) vars[i].var, value);
- }
- break;
- case VAL_BOOL:
- if (!strcasecmp(value, "ON"))
- *((bool *) vars[i].var) = TRUE;
- else if (!strcasecmp(value, "OFF"))
- *((bool *) vars[i].var) = FALSE;
- else {
- fprintf(stderr, "\nParse error: boolean value expected at line %d of configuration file.\n", l);
- return -1; /* parse aborted */
- }
- break;
- case VAL_ATTR:
- if (str_to_attr(value, &fg, &bg, &hl) == -1) {
- fprintf(stderr, "\nParse error: attribute value expected at line %d of configuration file.\n", l);
- return -1; /* parse aborted */
- }
- ((int *) vars[i].var)[0] = fg;
- ((int *) vars[i].var)[1] = bg;
- ((int *) vars[i].var)[2] = hl;
- break;
- }
- }
- break;
- case LINE_ERROR:
- fprintf(stderr, "\nParse error: syntax error at line %d of configuration file.\n", l);
- return -1; /* parse aborted */
- }
- }
-
- l++; /* next line */
- }
-
- fclose(rc_file);
- return 0; /* parse successful */
-}
-/* End of parse_rc() */
-
-
-/*
- * Convert an attribute to a string representation like this:
- *
- * "(foreground,background,highlight)"
- */
-static char *attr_to_str(int fg, int bg, int hl)
-{
- int i;
- static char str[MAX_LEN+1];
-
- strcpy(str, "(");
- /* foreground */
- for (i = 0; fg != color_names[i].value; i++);
- strcat(str, color_names[i].name);
- strcat(str, ",");
-
- /* background */
- for (i = 0; bg != color_names[i].value; i++);
- strcat(str, color_names[i].name);
-
- /* highlight */
- strcat(str, hl ? ",ON)" : ",OFF)");
-
- return str;
-}
-/* End of attr_to_str() */
-
-
-/*
- * Extract the foreground, background and highlight values from an attribute
- * represented as a string in this form:
- *
- * "(foreground,background,highlight)"
- */
-static int str_to_attr(char *str, int *fg, int *bg, int *hl)
-{
- int i = 0, j, get_fg = 1;
- char tempstr[MAX_LEN+1], *part;
-
- if (str[0] != '(' || lastch(str) != ')')
- return -1; /* invalid representation */
-
- /* remove the parenthesis */
- strcpy(tempstr, str + 1);
- lastch(tempstr) = '\0';
-
-
- /* get foreground and background */
-
- while (1) {
- /* skip white space before fg/bg string */
- while (whitespace(tempstr[i]) && tempstr[i] != '\0') i++;
- if (tempstr[i] == '\0')
- return -1; /* invalid representation */
- part = tempstr + i; /* set 'part' to start of fg/bg string */
-
- /* find end of fg/bg string */
- while(!whitespace(tempstr[i]) && tempstr[i] != ',' && tempstr[i] != '\0') i++;
-
- if (tempstr[i] == '\0')
- return -1; /* invalid representation */
- else if (whitespace(tempstr[i])) { /* not yet ',' */
- tempstr[i++] = '\0';
-
- /* skip white space before ',' */
- while(whitespace(tempstr[i]) && tempstr[i] != '\0') i++;
-
- if (tempstr[i] != ',')
- return -1; /* invalid representation */
- }
-
- tempstr[i++] = '\0'; /* skip the ',' */
- for (j = 0; j < COLOR_COUNT && strcasecmp(part, color_names[j].name); j++);
- if (j == COLOR_COUNT) /* invalid color name */
- return -1;
- if (get_fg) {
- *fg = color_names[j].value;
- get_fg = 0; /* next we have to get the background */
- }
- else {
- *bg = color_names[j].value;
- break;
- }
- } /* got foreground and background */
-
-
- /* get highlight */
-
- /* skip white space before highlight string */
- while (whitespace(tempstr[i]) && tempstr[i] != '\0') i++;
- if (tempstr[i] == '\0')
- return -1; /* invalid representation */
- part = tempstr + i; /* set 'part' to start of highlight string */
-
- /* trim trailing white space from highlight string */
- i = strlen(part) - 1;
- while(whitespace(part[i])) i--;
- part[i+1] = '\0';
-
- if (!strcasecmp(part, "ON"))
- *hl = TRUE;
- else if (!strcasecmp(part, "OFF"))
- *hl = FALSE;
- else
- return -1; /* invalid highlight value */
-
- return 0;
-}
-/* End of str_to_attr() */
-
-
-/*
- * Parse a line in the configuration file
- *
- * Each line is of the form: "variable = value". On exit, 'var' will contain
- * the variable name, and 'value' will contain the value string.
- *
- * Return values:
- *
- * LINE_BLANK - line is blank
- * LINE_COMMENT - line is comment
- * LINE_OK - line is ok
- * LINE_ERROR - syntax error in line
- */
-static int parse_line(char *line, char **var, char **value)
-{
- int i = 0;
-
- /* ignore white space at beginning of line */
- while(whitespace(line[i]) && line[i] != '\0') i++;
-
- if (line[i] == '\0') /* line is blank */
- return LINE_BLANK;
- else if (line[i] == '#') /* line is comment */
- return LINE_COMMENT;
- else if (line[i] == '=') /* variables names can't strart with a '=' */
- return LINE_ERROR;
-
- /* set 'var' to variable name */
- *var = line + i++; /* skip to next character */
-
- /* find end of variable name */
- while(!whitespace(line[i]) && line[i] != '=' && line[i] != '\0') i++;
-
- if (line[i] == '\0') /* syntax error */
- return LINE_ERROR;
- else if (line[i] == '=')
- line[i++] = '\0';
- else {
- line[i++] = '\0';
-
- /* skip white space before '=' */
- while(whitespace(line[i]) && line[i] != '\0') i++;
-
- if (line[i] != '=') /* syntax error */
- return LINE_ERROR;
- else
- i++; /* skip the '=' */
- }
-
- /* skip white space after '=' */
- while(whitespace(line[i]) && line[i] != '\0') i++;
-
- if (line[i] == '\0')
- return LINE_ERROR;
- else
- *value = line + i; /* set 'value' to value string */
-
- /* trim trailing white space from 'value' */
- i = strlen(*value) - 1;
- while(whitespace((*value)[i])) i--;
- (*value)[i+1] = '\0';
-
- return LINE_OK; /* no syntax error in line */
-}
-/* End of parse_line() */
-#endif
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