From 69c8904b2d9a325ab2a8f71c28cbaa34bb830887 Mon Sep 17 00:00:00 2001
From: sijanec <anton@sijanec.eu>
Date: Tue, 19 Jan 2021 15:26:05 +0100
Subject: added an abstraction of accessing variables through file streams -
 possible to make functions

---
 src/bvrcommands.c | 100 ++++++++++++++++++++++++++++++++++--------------------
 1 file changed, 63 insertions(+), 37 deletions(-)

(limited to 'src')

diff --git a/src/bvrcommands.c b/src/bvrcommands.c
index b7d14e3..a44954f 100644
--- a/src/bvrcommands.c
+++ b/src/bvrcommands.c
@@ -180,56 +180,82 @@ int bvr_handle_set(FILE * input, FILE * output) {
 int bvr_handle_include(FILE * input, FILE * output) {
 	char chars_to_break_value[69] = " ";
 	strlcat(chars_to_break_value, BVR_CHARS_TO_BREAK_VALUE, sizeof(chars_to_break_value));
-	// fprintf(stderr, "debug: \"%s\"\n", chars_to_break_value);
 	char * item = bvr_commands_get_value(input, chars_to_break_value);
-
-	FILE * stream = fopen(item, "r");
-	char notgoodatnamingvariables[PATH_MAX];
-	char * path = bvr_var_get(BVR_INCLUDE_PATH_VAR_NAME);
-	if(stream == NULL) {
-		strcpy(notgoodatnamingvariables, item);
-		strcat(notgoodatnamingvariables, BVR_COMMAND_FILE_EXT);
-		stream = fopen(notgoodatnamingvariables, "r");
-		if(strcmp(path, BVR_UNDEFINED) == 0 && stream == NULL) {
-			fprintf(output, "\nbVerbose include error. File \"%s\" not found. Path is undefined.\n", item);
-			fprintf(stderr, "[bvrcommands.c] bvr_handle_include: File \"%s\" not found. Path is undefined.\n", item);
-			return FAILURE;
+	FILE * stream;
+	char * cp;
+	int return_status = SUCCESS;
+	// fprintf(stderr, "debug: %s\n", item);
+	if (strncmp(item, "bvr://", strlen("bvr://")) == 0) {
+		switch (item[6]) {
+			case 'v': /* ar */
+				cp = strchr(item+6, '/');
+				if (cp == NULL)
+					goto sike_this_actually_is_a_file;
+				cp = bvr_var_get(cp+1);
+				if (cp == NULL || 0 == strncmp(cp, "BVR_UNDEFINED", strlen("BVR_UNDEFINED")))
+					goto sike_this_actually_is_a_file;
+				stream = fmemopen(cp, strlen(cp), "r");
+				if (stream == NULL)
+					goto sike_this_actually_is_a_file;
+				break;
+			default:
+				goto sike_this_actually_is_a_file;
+				break; /* unreachable "code" */
 		}
-	}
-	char * singlepath;
-	while(stream == NULL) {
-		singlepath = strrchr(path, BVR_PATH_SEPARATOR);
-		if(singlepath == NULL) {
-			strcpy(notgoodatnamingvariables, path);
-			strcat(notgoodatnamingvariables, item);
-			stream = fopen(notgoodatnamingvariables, "r"); // ob1 fuckery
-			if(stream == NULL) {
+	} else {
+		sike_this_actually_is_a_file:
+		stream = fopen(item, "r");
+		char notgoodatnamingvariables[PATH_MAX];
+		char * path = bvr_var_get(BVR_INCLUDE_PATH_VAR_NAME);
+		if(stream == NULL) {
+			strcpy(notgoodatnamingvariables, item);
+			strcat(notgoodatnamingvariables, BVR_COMMAND_FILE_EXT);
+			stream = fopen(notgoodatnamingvariables, "r");
+			if(strcmp(path, BVR_UNDEFINED) == 0 && stream == NULL) {
+				fprintf(output, "\nbVerbose include error. File \"%s\" not found. Path is undefined.\n", item);
+				fprintf(stderr, "[bvrcommands.c] bvr_handle_include: File \"%s\" not found. Path is undefined.\n", item);
+				return_status = FAILURE;
+				goto returncleanly;
+			}
+		}
+		char * singlepath;
+		while(stream == NULL) {
+			singlepath = strrchr(path, BVR_PATH_SEPARATOR);
+			if(singlepath == NULL) {
 				strcpy(notgoodatnamingvariables, path);
 				strcat(notgoodatnamingvariables, item);
-				strcat(notgoodatnamingvariables, BVR_COMMAND_FILE_EXT);
 				stream = fopen(notgoodatnamingvariables, "r"); // ob1 fuckery
 				if(stream == NULL) {
-					fprintf(output, "\nbVerbose include error. File \"%s\" not found.\n", item);
-					fprintf(stderr, "[bvrcommands.c] bvr_handle_include: File \"%s\" not found.\n", item);
-					return FAILURE;
+					strcpy(notgoodatnamingvariables, path);
+					strcat(notgoodatnamingvariables, item);
+					strcat(notgoodatnamingvariables, BVR_COMMAND_FILE_EXT);
+					stream = fopen(notgoodatnamingvariables, "r"); // ob1 fuckery
+					if(stream == NULL) {
+						fprintf(output, "\nbVerbose include error. File \"%s\" not found.\n", item);
+						fprintf(stderr, "[bvrcommands.c] bvr_handle_include: File \"%s\" not found.\n", item);
+						return_status = FAILURE;
+						goto returncleanly;
+					}
+					break;
 				}
 				break;
 			}
-			break;
-		}
-		strcpy(notgoodatnamingvariables, singlepath);
-		strcat(notgoodatnamingvariables, item);
-		stream = fopen(notgoodatnamingvariables+1, "r"); // ob1 fuckery
-		if(stream == NULL) {
-			strcat(notgoodatnamingvariables, BVR_COMMAND_FILE_EXT);
+			strcpy(notgoodatnamingvariables, singlepath);
+			strcat(notgoodatnamingvariables, item);
 			stream = fopen(notgoodatnamingvariables+1, "r"); // ob1 fuckery
-			if(stream != NULL) {
-				break;
+			if(stream == NULL) {
+				strcat(notgoodatnamingvariables, BVR_COMMAND_FILE_EXT);
+				stream = fopen(notgoodatnamingvariables+1, "r"); // ob1 fuckery
+				if(stream != NULL) {
+					break;
+				}
 			}
+			*singlepath = '\0';
 		}
-		*singlepath = '\0';
 	}
-	int return_status = bvr_compose_stream(stream, output);
+	return_status = bvr_compose_stream(stream, output);
+	fclose(stream);
+	returncleanly:
 	fflush(output);
 	free(item);
 	item = NULL;
-- 
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