filesystem rework

src/Array/Array.c

@@ -16,7 +16,7 @@ Array_define(uint64)
 Array_define(Unitype)
 
 void Array_Unitype_free_(Array_Unitype* array, bool freeMembers){
-    if(freeMembers) for (int32 i; i<array->length; i++)
+    if(freeMembers) for (int32 i=0; i<array->length; i++)
         Unitype_free(array->values[i]);
     if(array->allocatedOnHeap)
         free(array->values);

src/Filesystem/dir.c

@@ -1 +1,50 @@
-#include "dir.h"
+#include "filesystem.h"
+#include "io_includes.h"
+
+bool dir_exists(char* path){
+#if KFS_USE_WINDOWS_H
+    DWORD dwAttrib = GetFileAttributes(path);
+    return (bool)(
+        (dwAttrib != INVALID_FILE_ATTRIBUTES) & // file exists
+        (dwAttrib & FILE_ATTRIBUTE_DIRECTORY)); // file is a directory
+#else
+    struct stat stats;
+    int rez=stat(path, &stats);
+    return (bool)(
+        (rez!=-1) & // file exists
+        (S_ISDIR(stats.st_mode))); // file is a directory
+#endif
+}
+
+Maybe dir_create(char* path){
+    if (dir_exists(path))
+        return MaybeNull;
+    char* parentDir=path_parentDir(path);
+    dir_create(parentDir);
+    free(parentDir);
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+
+Maybe dir_delete(char* path){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+
+Maybe dir_getFiles(char* path, bool recursive){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+Maybe dir_getDirs(char* path, bool recursive){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+
+Maybe dir_findFiles(char* path, char* searchPattern, bool recursive){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+Maybe dir_findDirs(char* path, char* searchPattern, bool recursive){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}

src/Filesystem/dir.h

@@ -7,11 +7,21 @@ extern "C" {
 #include "../base/base.h"
 #include "file.h"
 
-typedef char* DirPath;
-Array_declare(DirPath);
+bool dir_exists(char* path);
+///@return Maybe<void>
+Maybe dir_create(char* path);
+///@return Maybe<void>
+Maybe dir_delete(char* path);
 
-Array_FilePath dir_getFiles(DirPath path);
-Array_FilePath dir_findFiles(DirPath path, FilePath searchPattern);
+///@return Maybe<Array_string>
+Maybe dir_getFiles(char* path, bool recursive);
+///@return Maybe<Array_string>
+Maybe dir_getDirs(char* path, bool recursive);
+
+///@return Maybe<Array_string>
+Maybe dir_findFiles(char* path, char* searchPattern, bool recursive);
+///@return Maybe<Array_string>
+Maybe dir_findDirs(char* path, char* searchPattern, bool recursive);
 
 #if __cplusplus
 }

src/Filesystem/file.c

@@ -1,8 +1,32 @@
 #include "file.h"
 #include "../String/StringBuilder.h"
+#include "io_includes.h"
 
 ktid_define(File);
 
+bool file_exists(char* path){
+    
+    // tryLast(path_throwIfEscapes(path));
+
+#if KFS_USE_WINDOWS_H
+    DWORD dwAttrib = GetFileAttributes(path);
+    return (bool)(
+        (dwAttrib != INVALID_FILE_ATTRIBUTES) & // file exists
+        !(dwAttrib & FILE_ATTRIBUTE_DIRECTORY)); // file is not directory
+#else
+    struct stat stats;
+    int rez=stat(path, &stats);
+    return (bool)(
+        (rez!=-1) & // file exists
+        !(S_ISDIR(stats.st_mode))); // file is not directory
+#endif
+}
+
+Maybe file_delete(char* path, bool recursive){
+    throw(ERR_NOTIMPLEMENTED);
+    return MaybeNull;
+}
+
 char* FileOpenMode_toStr(FileOpenMode m){
     char* p;
     switch(m){
@@ -18,7 +42,7 @@ char* FileOpenMode_toStr(FileOpenMode m){
     return p;
 }
 
-Maybe file_open(FilePath path, FileOpenMode mode){
+Maybe file_open(char* path, FileOpenMode mode){
     File* file=fopen(path, FileOpenMode_toStr(mode));
     if(!file)
         safethrow(cptr_concat("can't open file ", (char*)path),;);

src/Filesystem/file.h

@@ -8,11 +8,14 @@ extern "C" {
 #include "../Array/Array.h"
 #include "../String/string.h"
 
-typedef char* FilePath;
-Array_declare(FilePath);
 typedef FILE File;
 ktid_declare(File);
 
+bool file_exists(char* path);
+
+///@return Maybe<void>
+Maybe file_delete(char* path, bool recursive);
+
 PACK_ENUM(FileOpenMode,
     // open a file for reading 
     FileOpenMode_Read=1, 
@@ -24,14 +27,13 @@ PACK_ENUM(FileOpenMode,
     FileOpenMode_ReadWrite=FileOpenMode_Read|FileOpenMode_Write, 
     // opens file for readng/writing additional data to the end / creates new file 
     FileOpenMode_ReadAppend=FileOpenMode_Read|FileOpenMode_Append
- )
-
+)
 
 /// @brief opens file
 /// @param path path to file
 /// @param mode Read/Write/Append/ReadWrite/ReadAppend
 /// @return Maybe<File*>
-Maybe file_open(FilePath path, FileOpenMode mode);
+Maybe file_open(char* path, FileOpenMode mode);
 
 /// @brief closes file descriptor
 /// @return Maybe<void>

src/Filesystem/io_includes.h

@@ -0,0 +1,15 @@
+#include "../base/std.h"
+
+#if defined(_WIN64) || defined(_WIN32)
+#define KFS_USE_WINDOWS_H 1
+#else 
+#define KFS_USE_WINDOWS_H 0
+#endif
+
+#if KFS_USE_WINDOWS_H
+#include <windows.h>
+#else
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#endif

src/Filesystem/path.c

@@ -53,3 +53,22 @@ Maybe path_throwIfEscapes(char* path){
         safethrow(cptr_concat("path <",path,"> uses <..>, that's not allowed"),);
     return MaybeNull;
 }
+
+char* path_parentDir(char* dir){
+    throw(ERR_NOTIMPLEMENTED);
+    char* copy=cptr_copy(dir);
+    uint32 length=cptr_length(copy);
+    int i=cptr_lastIndexOfChar(copy,path_sep);
+    if(i==length-1){
+        copy[length-1]=0;
+        i=cptr_lastIndexOfChar(copy,path_sep);
+    }
+    if(i==-1){
+        free(copy);
+        copy=malloc(3);
+        copy[0]='.';
+        copy[1]=path_sep;
+        copy[2]=0;
+    }
+    return copy;
+}

src/Filesystem/path.h

@@ -31,6 +31,8 @@ char* path_fixSeparators(char* path);
 /// @return Maybe<void>
 Maybe path_throwIfEscapes(char* path);
 
+char* path_parentDir(char* dir);
+
 #if __cplusplus
 }
 #endif

src/base/cptr.c

@@ -57,6 +57,41 @@ uint32 cptr_indexOf(char* ptr, char* fragment){
             if(fragment[fi]==0)
                 return si-fi+1;
         }
+        else fi=0;
+    }
+    return -1;
+}
+uint32 cptr_indexOfChar(char* ptr, char fragment){
+    char sc=*ptr;
+    for(int si=0; sc!=0; si++){
+        sc=ptr[si];
+        if(sc==fragment){
+            return si;
+        }
+    }
+    return -1;
+}
+uint32 cptr_lastIndexOf(char* ptr, char* fragment){
+    char sc=*ptr;
+    int fi_last=cptr_length(fragment)-1;
+    for(int si=cptr_length(ptr)-1, fi=fi_last; si>=0; si--){
+        sc=ptr[si];
+        if(sc==fragment[fi]){
+            if(fi==0)
+                return si;
+            fi--;
+        }
+        else fi=fi_last;
+    }
+    return -1;
+}
+uint32 cptr_lastIndexOfChar(char* ptr, char fragment){
+    char sc=*ptr;
+    for(int si=cptr_length(ptr)-1; si>=0; si--){
+        sc=ptr[si];
+        if(sc==fragment){
+            return si;
+        }
     }
     return -1;
 }

src/base/cptr.h

@@ -25,6 +25,15 @@ bool cptr_endsWith(char* ptr, char* fragment);
 /// @brief search for <fragment> in <ptr>
 /// @return index of first <fragment> inclusion or -1 if not found
 uint32 cptr_indexOf(char* ptr, char* fragment);
+/// @brief search for <fragment> in <ptr>
+/// @return index of first <fragment> inclusion or -1 if not found
+uint32 cptr_indexOfChar(char* ptr, char fragment);
+/// @brief search for <fragment> in <ptr>
+/// @return index of last <fragment> inclusion or -1 if not found
+uint32 cptr_lastIndexOf(char* ptr, char* fragment);
+/// @brief search for <fragment> in <ptr>
+/// @return index of last <fragment> inclusion or -1 if not found
+uint32 cptr_lastIndexOfChar(char* ptr, char fragment);
 
 static inline bool cptr_contains(char* ptr, char* fragment){
     // if(cptr_indexOf(ptr, fragment)==-1)