implement option parsing and calendar locating

5 files changed, 90 insertions, 21 deletions

diff --git a/src/conf.c b/src/conf.c
deleted file mode 100644
index e69de29..0000000
--- a/src/conf.c
+++ /dev/null
diff --git a/src/conf.h b/src/conf.h
deleted file mode 100644
index f686a49..0000000
--- a/src/conf.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef EVERY_CONF_H
-#define EVERY_CONF_H
-
-#endif
diff --git a/src/main.c b/src/main.c
index e69de29..625e860 100644
--- a/src/main.c
+++ b/src/main.c
@@ -0,0 +1,65 @@
+#include "opt.h"
+
+#include "../reqs/simple-xdg-bdirs/simple-xdg-bdirs.h"
+
+int main(int argc, char **argv)
+{
+	enum every_opt_outputmode omode;
+	FILE *calendar;
+
+	char **rdirs, **cur, *s;
+
+	opt_parse(argc, argv);
+
+	omode = opt_outputmode();
+
+	if (opt_calpath() != NULL) {
+		s = opt_calpath();
+
+		calendar = fopen(s, "r");
+		if (calendar == NULL) {
+			printf("err: could not read calendar at `%s`\n", s);
+			exit(EXIT_FAILURE);
+		}
+	} else {
+		rdirs = simple_xdg_bdirs_read_dirs(SIMPLE_XDG_BDIRS_CONFIG);
+
+		if (rdirs == NULL) {
+			printf(
+				"err: no calendar specified, and default was not found or "
+				"readable\n"
+			);
+			exit(EXIT_FAILURE);
+		}
+
+		s = simple_xdg_bdirs_fullpath_read("every/calendar", rdirs);
+
+		for (cur = rdirs; *cur != NULL; cur++)
+			free(*cur);
+		free(rdirs);
+
+		if (s == NULL) {
+			printf(
+				"err: no calendar specified, and default was not found or "
+				"readable\n"
+			);
+			exit(EXIT_FAILURE);
+		}
+
+		calendar = fopen(s, "r");
+
+		free(s);
+
+		if (calendar == NULL) {
+			printf(
+				"err: no calendar specified, and default was not found or "
+				"readable\n"
+			);
+			exit(EXIT_FAILURE);
+		}
+	}
+
+	fclose(calendar);
+	
+	return 0;
+}
diff --git a/src/opt.c b/src/opt.c
index 579743d..eb796e7 100644
--- a/src/opt.c
+++ b/src/opt.c
@@ -5,11 +5,9 @@
 
 #include <stdlib.h>
 
-#include <unistd.h>
-
 const char *set[] = {
-	[EVERY_OPT_PRINTMODE_CONSOLE] = "console",
-	[EVERY_OPT_PRINTMODE_SCRIPT]  = "script",
+	[EVERY_OPT_OUTPUTMODE_CONSOLE] = "console",
+	[EVERY_OPT_OUTPUTMODE_SCRIPT]  = "script",
 	NULL,
 };
 
@@ -17,9 +15,9 @@ static struct simple_opt options[] = {
 	{ SIMPLE_OPT_FLAG, 'h', "help", false,
 		"print this help message and exit" },
 	{ SIMPLE_OPT_FLAG, 'v', "version", false,
-		"print the version of confconf in use and exit" },
-	{ SIMPLE_OPT_STRING, 'c', "config", true,
-		"path to config file", "<file>" },
+		"print the version of every in use and exit" },
+	{ SIMPLE_OPT_STRING, 'c', "calendar", true,
+		"path to calendar", "<file>" },
 	{ SIMPLE_OPT_STRING_SET, 'm', "output-mode", true,
 		"output mode (default is console)",
 		"(console|script)", set },
@@ -29,8 +27,6 @@ static struct simple_opt options[] = {
 void opt_parse(int argc, char **argv)
 {
 	struct simple_opt_result result;
-	size_t i;
-	char c, cend;
 
 	result = simple_opt_parse(argc, argv, options);
 
@@ -43,8 +39,8 @@ void opt_parse(int argc, char **argv)
 	/* help */
 	if (options[0].was_seen) {
 		simple_opt_print_usage(stdout, 80, argv[0],
-			"[-c FILE] [-m OUTPUT_MODE]",
-			"every is a flexible console-based event calendar",
+			"[-c CALENDAR_FILE] [-m OUTPUT_MODE]",
+			"every is a flexible, console-based event calendar",
 			options);
 		exit(EXIT_SUCCESS);
 	}
@@ -54,14 +50,26 @@ void opt_parse(int argc, char **argv)
 		puts(VERSION);
 		exit(EXIT_SUCCESS);
 	}
+
+	/* bad calendar path*/
+	if (options[2].was_seen && options[2].val.v_string[0] == '\0') {
+		printf("err: could not read calendar at ``\n");
+		exit(EXIT_FAILURE);
+	}
 }
 
-const char* opt_confpath_str(void)
+char* opt_calpath(void)
 {
-	return options[2].val.v_string;
+	if (options[2].was_seen)
+		return options[2].val.v_string;
+
+	return NULL;
 }
 
 enum every_opt_outputmode opt_outputmode(void)
 {
-	return options[3].val.v_string_set_idx;
+	if (options[3].was_seen)
+		return options[3].val.v_string_set_idx;
+
+	return EVERY_OPT_OUTPUTMODE_CONSOLE;
 }
diff --git a/src/opt.h b/src/opt.h
index 10bc4c9..f751232 100644
--- a/src/opt.h
+++ b/src/opt.h
@@ -2,13 +2,13 @@
 #define EVERY_OPT_H
 
 enum every_opt_outputmode {
-	EVERY_OPT_PRINTMODE_CONSOLE = 0,
-	EVERY_OPT_PRINTMODE_SCRIPT = 1,
+	EVERY_OPT_OUTPUTMODE_CONSOLE = 0,
+	EVERY_OPT_OUTPUTMODE_SCRIPT = 1,
 };
 
 void opt_parse(int argc, char **argv);
 
-const char* opt_confpath_str(void);
+char* opt_calpath(void);
 enum every_opt_outputmode opt_outputmode(void);
 
 #endif