X-Git-Url: https://git.deb.at/w?a=blobdiff_plain;f=options.c;h=82aae49cef02ae9566945f4559608d54e061a2e4;hb=c38bc4bc5254bd5925d8567e7ff1554a7844b8c7;hp=31d5eaaa9bdd33f00976297dacfeca90b12a582f;hpb=8c3f50479d2b84db00ed9b8305ca92a5b56ba32e;p=pkg%2Fabook.git

diff --git a/options.c b/options.c
index 31d5eaa..82aae49 100644
--- a/options.c
+++ b/options.c
@@ -2,156 +2,362 @@
 /*
  * $Id$
  *
- * by JH <jheinonen@bigfoot.com>
+ * by JH <jheinonen@users.sourceforge.net>
  *
  * Copyright (C) Jaakko Heinonen
+ *
  */
 
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
-#include "abook_curses.h"
-#include "abook.h"
+#include <ctype.h>
+#include <assert.h>
 #include "options.h"
-#ifdef HAVE_CONFIG_H
-#	include "config.h"
+#include "abook.h"
+#include "misc.h"
+
+#ifndef FALSE
+#	define FALSE	0
+#endif
+#ifndef TRUE
+#	define TRUE	1
 #endif
 
-struct conff_node *abook_config;
+#define UL	(unsigned long)
 
-static int	rcfile_exist();
-static void	default_options();
+/*
+ * option types
+ */
 
-extern char *rcfile;
+enum opt_type {
+	OT_BOOL,
+	OT_STR,
+	OT_INT
+};
 
-static char *
-abook_opt_conff_get_val(char *key)
+struct option {
+	char *option;
+	enum opt_type type;
+	unsigned int data;
+	unsigned long init;
+};
+
+static struct option abook_vars[] = {
+	{ "autosave", OT_BOOL, BOOL_AUTOSAVE, TRUE },
+
+	{ "show_all_emails", OT_BOOL, BOOL_SHOW_ALL_EMAILS, TRUE },
+	{ "emailpos", OT_INT, INT_EMAILPOS, 25 },
+	{ "extra_column", OT_STR, STR_EXTRA_COLUMN, UL "phone" },
+	{ "extra_alternative", OT_STR, STR_EXTRA_ALTERNATIVE, UL "-1" },
+	{ "extrapos", OT_INT, INT_EXTRAPOS, 65 },
+
+	{ "mutt_command", OT_STR, STR_MUTT_COMMAND, UL "mutt" },
+	{ "mutt_return_all_emails", OT_BOOL, BOOL_MUTT_RETURN_ALL_EMAILS,
+		TRUE },
+	
+	{ "print_command", OT_STR, STR_PRINT_COMMAND, UL "lpr" },
+
+	{ "www_command", OT_STR, STR_WWW_COMMAND, UL "lynx" },
+	
+	{ "address_style", OT_STR, STR_ADDRESS_STYLE, UL "eu" },
+
+	{ "use_ascii_only", OT_BOOL, BOOL_USE_ASCII_ONLY, FALSE },
+
+	{ NULL }
+};
+
+static unsigned char bool_opts[BOOL_MAX];
+static int int_opts[INT_MAX];
+static char *str_opts[STR_MAX];
+
+static void
+set_int(enum int_opts opt, int value)
 {
-	int tried;
-	char *value = NULL;
+	assert(opt >= 0 && opt < INT_MAX);
 
+	int_opts[opt] = value;
+}
 
-	for(tried = 0; tried < 2; ) {
-		if( ( value = conff_get_value(abook_config, key) )
-				== 0 ) {
-			tried ++;
-			default_options(); /* try with defaults */
-		} else
-			return value;
-	}
-	return NULL;
+static void
+set_bool(enum bool_opts opt, bool value)
+{
+	assert(opt >= 0 && opt < BOOL_MAX);
+
+	bool_opts[opt] = value;
+}
+
+static void
+set_str(enum str_opts opt, char *value)
+{
+	assert(opt >= 0 && opt < STR_MAX);
+
+	if(str_opts[opt])
+		free(str_opts[opt]);
+
+	str_opts[opt] = strdup(value);
 }
 
 int
-options_get_int(char *key)
+opt_get_int(enum int_opts opt)
 {
-	char *value;
-	int ret;
-	
-	if( ( value = abook_opt_conff_get_val(key) )
-			== NULL)
-		return 1;
+	assert(opt >= 0 && opt < INT_MAX);
 
-	if( !strcasecmp(value, "true") )
-		ret = 1;
-	else
-	if( !strcasecmp(value, "false") )
-		ret = 0;
-	else
-		ret = safe_atoi(value);
-	
-	return ret;
+	return int_opts[opt];
 }
-	
+
+bool
+opt_get_bool(enum bool_opts opt)
+{
+	assert(opt >= 0 && opt < STR_MAX);
+
+	return bool_opts[opt];
+}
+
 char *
-options_get_str(char *key)
+opt_get_str(enum str_opts opt)
+{
+	assert(opt >= 0 && opt < STR_MAX);
+
+	return str_opts[opt];
+}
+
+static void
+restore_default(struct option *p)
 {
-	return abook_opt_conff_get_val(key); 
+	switch(p -> type) {
+		case OT_BOOL:
+			set_bool(p -> data, (bool)p -> init);
+			break;
+		case OT_INT:
+			set_int(p -> data, (int)p -> init);
+			break;
+		case OT_STR:
+			if(p -> init)
+				set_str(p -> data, (char *) p -> init);
+			break;
+		default:
+			assert(0);
+	}
 }
-		
+
 void
-init_options()
+init_opts()
 {
-	abook_config = NULL;
+	int i;
 
-	if( rcfile_exist() )
-		load_options();
-	else
-		default_options();
+	for(i = 0; abook_vars[i].option; i++)
+		restore_default(&abook_vars[i]);
 }
 
 void
-close_config()
+free_opts()
 {
-	save_options();
+	int i;
 
-	conff_free_nodes(abook_config);
+	/*
+	 * only strings need to be freed
+	 */
+	for(i = 0; i < STR_MAX; i++) {
+		free(str_opts[i]);
+		str_opts[i] = NULL;
+	}
 }
 
-static int
-rcfile_exist()
+/*
+ * file parsing
+ */
+
+static void
+opt_line_remove_comments(char *p)
 {
-	return ( (0 == access(SYSWIDE_RCFILE, F_OK)) ||
-			(0 == access(rcfile, F_OK)) );
+	bool in_quote = FALSE;
+	bool escape = FALSE;
+
+	assert(p != NULL);
+
+	for(; *p; p++) {
+		switch(*p) {
+			case '\"':
+				if(!escape) {
+					in_quote = !in_quote;
+					escape = FALSE;
+				}
+				break;
+			case '\\':
+				escape = TRUE;
+				break;
+			case '#':
+				if(!in_quote) {
+					*p = 0;
+					return;
+				}
+			default:
+				escape = FALSE;
+		}
+	}
 }
 
-void
-load_options()
+static char *
+get_token_start(char *p)
 {
-	int ret;
+	assert(p);
 	
-        if( (ret = conff_load_file(&abook_config, rcfile,
-				REPLACE_KEY)) > 0) {
-		fprintf(stderr, "%s: parse error at line %d\n", rcfile, ret);
-		exit(1);
-	}
+	for(; ISSPACE(*p); p++);
+
+	return p;
+}
 
-	if( (ret = conff_load_file(&abook_config, SYSWIDE_RCFILE,
-					DONT_REPLACE_KEY )) > 0) {
-		fprintf(stderr, "%s: parse error at line %d\n",
-				SYSWIDE_RCFILE, ret);
-		exit(1);
+static char *
+get_token_end(char *p)
+{
+	assert(p);
+
+	for(p = get_token_start(p); *p; p++) {
+		if(ISSPACE(*p)) {
+			break;
+		}
 	}
+
+	return p;
 }
 
-void
-save_options()
+static char *
+opt_set_set_option(char *var, char *p, struct option *opt)
 {
-	if( rcfile_exist() ) /* don't overwrite existing config */
-		return;
+	int len;
+	
+	strtrim(p);
+
+	len = strlen(p);
 
-	conff_save_file(abook_config, rcfile);
+	if(p[len - 1] == '\"' && *p == '\"') {
+		if(len < 3)
+			return "invalid value";
+		p[len - 1] = 0;
+		p++;
+	}
+
+	switch(opt -> type) {
+		case OT_STR:
+			set_str(opt -> data, p);
+			break;
+		case OT_INT:
+			set_int(opt -> data, safe_atoi(p));
+			break;
+		case OT_BOOL:
+			if(!strcasecmp(p, "true") && !strcasecmp(p, "on"))
+				set_bool(opt -> data, TRUE);
+			else if(!strcasecmp(p, "false") &&
+					!strcasecmp(p, "off"))
+				set_bool(opt -> data, FALSE);
+			else
+				return "invalid value";
+			break;
+	}
+	
+	return NULL;
 }
 
-static void
-options_add_key(char *key, char *value)
+static char *
+opt_parse_set(char *p)
 {
-	const int flags = DONT_REPLACE_KEY;
+	char *var;
+	int i;
+
+	var = get_token_start(p);
+	if((p = strchr(var, '=')))
+		*p++ = 0;
+	else
+		return "invalid value assignment";
+	
+	strtrim(var);
 
-	conff_add_key(&abook_config, key, value, flags);
+	for(i = 0;abook_vars[i].option; i++)
+		if(!strcmp(abook_vars[i].option, var))
+			return opt_set_set_option(var, p, &abook_vars[i]);
+	
+	return "unknown option";
 }
 
-static void
-default_options()
+
+static struct {
+	char *token;
+	char * (*func) (char *line);
+} opt_parsers[] = {
+	{ "set", opt_parse_set },
+	{ NULL }
+};
+
+static bool
+opt_parse_line(char *line, int n, char *fn)
 {
-	options_add_key("autosave", "true");
+	int i;
+	char *p;
+	char *err = NULL;
+	
+	assert(line && fn);
 
-	options_add_key("show_all_emails", "true");
-	options_add_key("emailpos", "25");
-	options_add_key("extra_column", "7");
-	options_add_key("extra_alternative", "-1");
-	options_add_key("extrapos", "65");
+	line = get_token_start(line);
+	p = get_token_end(line);
+	*p++ = 0;
 
-	options_add_key("mutt_command", "mutt");
-	options_add_key("mutt_return_all_emails", "true");
+	if(!*line)
+		return FALSE;
 
-	options_add_key("print_command", "lpr");
+	strtrim(line);
+	strtrim(p);
 
-	options_add_key("filesel_sort", "false");
+	for(i = 0; opt_parsers[i].token; i++)
+		if(!strcmp(opt_parsers[i].token, line)) {
+			if(!(err = opt_parsers[i].func(p)))
+				return FALSE;
+			break;
+		}
+	
+	fprintf(stderr, "%s: parse error at line %d: ", fn, n);
+	if(err)
+		fprintf(stderr, "%s\n", err);
+	else
+		fprintf(stderr, "unknown token %s\n", line);
 
-	options_add_key("www_command", "lynx");
+	return TRUE;
+}
 
-	options_add_key("address_style", "eu");
+int
+load_opts(char *filename)
+{
+	FILE *in;
+	char *line = NULL;
+	int n;
+	bool err = FALSE;
+	
+	if((in = fopen(filename, "r")) == NULL)
+		return -1;
+
+	
+	for(n = 1;!feof(in); n++) {
+		line = getaline(in);
+
+		if(feof(in))
+			break;
+
+		if(line && *line) {
+			opt_line_remove_comments(line);
+			if(*line)
+				err = opt_parse_line(line, n, filename);
+		}
 
-	options_add_key("use_ascii_only", "true");
+		my_free(line);
+	}
+
+	free(line);
+
+	if(err) {
+		printf("Press any key to continue...\n");
+		fgetc(stdin);
+	}
+	
+	return err;
 }
+