rm File again;

forks please yell if you still need it
This commit is contained in:
bjorn 2022-11-23 11:58:42 -08:00
parent dbdd22ae95
commit 53da4dd1dc
2 changed files with 0 additions and 117 deletions

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@ -1,91 +0,0 @@
#include "filesystem/file.h"
#include "filesystem/filesystem.h"
#include "util.h"
#include <stdlib.h>
#include <string.h>
// Currently only read operations are supported by File and all files are read into memory fully on open
typedef struct {
uint8_t* data;
size_t offset;
size_t size;
} FileInner;
File* lovrFileInit(File* file ,const char* path) {
file->path = path;
file->handle = NULL;
file->mode = 0;
return file;
}
void lovrFileDestroy(void* ref) {
File* file = ref;
if (file->handle) {
lovrFileClose(file);
}
free(file);
}
bool lovrFileOpen(File* file, FileMode mode) {
lovrAssert(!file->handle, "File is already open");
file->mode = mode;
if (mode == OPEN_WRITE || mode == OPEN_APPEND)
return false;
FileInner *fileInner = malloc(sizeof(FileInner));
fileInner->offset = 0;
fileInner->data = lovrFilesystemRead(file->path, -1, &fileInner->size);
file->handle = fileInner;
if (!fileInner->data) {
fileInner->size = 0;
return false;
}
return true;
}
void lovrFileClose(File* file) {
lovrAssert(file->handle, "File must be open to close it");
FileInner *fileInner = (FileInner *)file->handle;
free(fileInner->data);
free(file->handle);
file->handle = NULL;
}
size_t lovrFileRead(File* file, void* data, size_t bytes) {
lovrAssert(file->handle && file->mode == OPEN_READ, "File must be open for reading");
FileInner *fileInner = (FileInner *)file->handle;
if (fileInner->offset + bytes > fileInner->size)
return 0;
memcpy(data, fileInner->data + fileInner->offset, bytes);
fileInner->offset += bytes;
return bytes;
}
size_t lovrFileWrite(File* file, const void* data, size_t bytes) {
lovrThrow("Writing not supported");
}
size_t lovrFileGetSize(File* file) {
lovrAssert(file->handle, "File must be open to get its size");
FileInner *fileInner = (FileInner *)file->handle;
return fileInner->size;
}
bool lovrFileSeek(File* file, size_t position) {
lovrAssert(file->handle, "File must be open to seek");
FileInner *fileInner = (FileInner *)file->handle;
if (position >= fileInner->size) // FIXME: Should seeking to fileInner->size exactly be allowed?
return false;
fileInner->offset = position;
return true;
}
size_t lovrFileTell(File* file) {
lovrAssert(file->handle, "File must be open to tell");
FileInner *fileInner = (FileInner *)file->handle;
return fileInner->offset;
}

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#include <stdbool.h>
#include <stddef.h>
#pragma once
typedef enum {
OPEN_READ,
OPEN_WRITE,
OPEN_APPEND
} FileMode;
typedef struct {
const char* path;
void* handle;
FileMode mode;
} File;
File* lovrFileInit(File* file, const char* filename);
void lovrFileDestroy(void* ref);
bool lovrFileOpen(File* file, FileMode mode);
void lovrFileClose(File* file);
size_t lovrFileRead(File* file, void* data, size_t bytes);
size_t lovrFileWrite(File* file, const void* data, size_t bytes);
size_t lovrFileGetSize(File* file);
bool lovrFileSeek(File* file, size_t position);
size_t lovrFileTell(File* file);