From 90953b85d1351a765b31603066cb1ef48eafd25f Mon Sep 17 00:00:00 2001
From: NishiOwO <nishi@nishi.boats>
Date: Sun, 23 Nov 2025 17:23:35 +0900
Subject: [PATCH] add more methods

---
 core/directory.c             | 25 ++++++++++++++
 core/file.c                  | 65 ++++++++++++++++++++++++++++++++++++
 core/string.c                |  8 +++++
 include/MDE/Core/Directory.h |  4 +++
 include/MDE/Core/File.h      |  4 +++
 include/MDE/Core/String.h    |  2 ++
 6 files changed, 108 insertions(+)

diff --git a/core/directory.c b/core/directory.c
index 523839c..d7db29e 100644
--- a/core/directory.c
+++ b/core/directory.c
@@ -1,4 +1,5 @@
 #include <MDE/Core/Directory.h>
+#include <MDE/Core/String.h>
 
 #include <dirent.h>
 #include <sys/stat.h>
@@ -26,3 +27,27 @@ void MDEDirectoryScan(const char* path, void (*call)(const char* name, int dir,
 		closedir(dir);
 	}
 }
+
+void MDEDirectoryCreate(const char* path, int mode) {
+	int   i;
+	char* r = malloc(strlen(path) + 1);
+	r[0]	= 0;
+	for(i = 0;; i++) {
+		char b[2];
+		b[0] = path[i];
+		b[1] = 0;
+		strcat(r, b);
+		if(path[i] == '/' || path[i] == 0) {
+			mkdir(r, mode);
+			if(path[i] == 0) break;
+		}
+	}
+	free(r);
+}
+
+char* MDEDirectoryCurrentPath(void) {
+	char p[4097]; /* your system is crazy if it allows more than 4096 letters */
+	getcwd(p, 4096);
+
+	return MDEStringDuplicate(p);
+}
diff --git a/core/file.c b/core/file.c
index d5cced7..d8d4c92 100644
--- a/core/file.c
+++ b/core/file.c
@@ -1,4 +1,6 @@
 #include <MDE/Core/File.h>
+#include <MDE/Core/String.h>
+#include <MDE/Core/Directory.h>
 
 void MDEFileCopy(const char* src, const char* dst) {
 	char  buffer[4096];
@@ -19,3 +21,66 @@ void MDEFileCopy(const char* src, const char* dst) {
 	fclose(in);
 	fclose(out);
 }
+
+char* MDEFileOptimizeAbsolutePath(const char* path) {
+	char* r	  = MDEStringDuplicate(path);
+	char* buf = MDEStringDuplicate(path);
+	int   i;
+	r[0] = buf[0] = 0;
+
+	for(i = 0;; i++) {
+		if(path[i] == '/' || path[i] == 0) {
+			if(strcmp(buf, ".") == 0) {
+			} else if(strcmp(buf, "..") == 0) {
+				char* p;
+
+				if((p = strrchr(r, '/')) != NULL) p[0] = 0;
+				if((p = strrchr(r, '/')) != NULL) {
+					p[0] = 0;
+					strcat(r, "/");
+				}
+				if(p == NULL) {
+					strcat(r, "/");
+				}
+			} else {
+				strcat(r, buf);
+				if(path[i] == '/') strcat(r, "/");
+			}
+
+			buf[0] = 0;
+
+			if(path[i] == 0) break;
+		} else {
+			char cbuf[2];
+			cbuf[0] = path[i];
+			cbuf[1] = 0;
+
+			strcat(buf, cbuf);
+		}
+	}
+
+	free(buf);
+
+	return r;
+}
+
+char* MDEFileAbsolutePath(const char* path) {
+	char* p;
+	char* r;
+
+	if(path[0] == '/') return MDEStringDuplicate(path);
+
+	p = MDEDirectoryCurrentPath();
+	r = malloc(strlen(p) + 1 + strlen(path) + 1);
+	strcpy(r, p);
+	if(p[strlen(p) - 1] != '/') strcat(r, "/");
+	strcat(r, path);
+
+	free(p);
+
+	p = r;
+	r = MDEFileOptimizeAbsolutePath(p);
+	free(p);
+
+	return r;
+}
diff --git a/core/string.c b/core/string.c
index 3f429ea..29bef70 100644
--- a/core/string.c
+++ b/core/string.c
@@ -7,3 +7,11 @@ char* MDEStringDuplicate(const char* src) {
 
 	return s;
 }
+
+char* MDEStringConcatenate(const char* str1, const char* str2) {
+	char* r = malloc(strlen(str1) + strlen(str2) + 1);
+	strcpy(r, str1);
+	strcat(r, str2);
+
+	return r;
+}
diff --git a/include/MDE/Core/Directory.h b/include/MDE/Core/Directory.h
index 19d76cf..fc56b49 100644
--- a/include/MDE/Core/Directory.h
+++ b/include/MDE/Core/Directory.h
@@ -9,6 +9,10 @@ extern "C" {
 
 void MDEDirectoryScan(const char* path, void (*call)(const char* name, int dir, int symlink, void* user), void* user);
 
+void MDEDirectoryCreate(const char* path, int mode);
+
+char* MDEDirectoryCurrentPath(void);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/MDE/Core/File.h b/include/MDE/Core/File.h
index bf663ac..f521df1 100644
--- a/include/MDE/Core/File.h
+++ b/include/MDE/Core/File.h
@@ -9,6 +9,10 @@ extern "C" {
 
 void MDEFileCopy(const char* src, const char* dst);
 
+char* MDEFileAbsolutePath(const char* path);
+
+char* MDEFileOptimizeAbsolutePath(const char* path);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/MDE/Core/String.h b/include/MDE/Core/String.h
index 83bb78d..5b31ad0 100644
--- a/include/MDE/Core/String.h
+++ b/include/MDE/Core/String.h
@@ -9,6 +9,8 @@ extern "C" {
 
 char* MDEStringDuplicate(const char* src);
 
+char* MDEStringConcatenate(const char* str1, const char* str2);
+
 #ifdef __cplusplus
 }
 #endif