GodMode9i/arm9/source/fileOperations.cpp

246 lines
7.0 KiB
C++

#include "fileOperations.h"
#include <nds.h>
#include <fat.h>
#include <stdio.h>
#include <dirent.h>
#include <vector>
#include "date.h"
#include "file_browse.h"
#include "font.h"
#define copyBufSize 0x8000
#define shaChunkSize 0x10000
u32 copyBuf[copyBufSize];
std::vector<ClipboardFile> clipboard;
bool clipboardOn = false;
bool clipboardUsed = false;
std::string getBytes(int bytes) {
char buffer[11];
if (bytes == 1)
sniprintf(buffer, sizeof(buffer), "%d Byte", bytes);
else if (bytes < 1024)
sniprintf(buffer, sizeof(buffer), "%d Bytes", bytes);
else if (bytes < (1024 * 1024))
sniprintf(buffer, sizeof(buffer), "%d KB", bytes / 1024);
else if (bytes < (1024 * 1024 * 1024))
sniprintf(buffer, sizeof(buffer), "%d MB", bytes / 1024 / 1024);
else
sniprintf(buffer, sizeof(buffer), "%d GB", bytes / 1024 / 1024 / 1024);
return buffer;
}
off_t getFileSize(const char *fileName) {
FILE* fp = fopen(fileName, "rb");
off_t fsize = 0;
if (fp) {
fseek(fp, 0, SEEK_END);
fsize = ftell(fp); // Get source file's size
fseek(fp, 0, SEEK_SET);
}
fclose(fp);
return fsize;
}
bool calculateSHA1(const char *fileName, u8 *sha1) {
off_t fsize = getFileSize(fileName);
u8 *buf = (u8*) malloc(shaChunkSize);
if (!buf) {
font->clear(false);
font->print(0, 0, false, "Could not allocate buffer");
font->update(false);
for(int i = 0; i < 60 * 2; i++)
swiWaitForVBlank();
return false;
}
FILE* fp = fopen(fileName, "rb");
if (!fp) {
font->clear(false);
font->print(0, 0, false, "Could not open file for reading");
font->update(false);
for(int i = 0; i < 60 * 2; i++)
swiWaitForVBlank();
free(buf);
return false;
}
memset(sha1, 0, 20);
swiSHA1context_t ctx;
ctx.sha_block=0; //this is weird but it has to be done
swiSHA1Init(&ctx);
font->clear(false);
font->print(0, 0, false, "Calculating SHA1 hash of:");
font->print(0, 1, false, fileName);
int nameHeight = font->calcHeight(fileName);
font->print(0, nameHeight + 2, false, "(<START> to cancel)");
font->print(0, nameHeight + 4, false, "Progress:");
font->print(0, nameHeight + 5, false, "[");
font->print(-1, nameHeight + 5, false, "]");
while (true) {
size_t ret = fread(buf, 1, shaChunkSize, fp);
if (!ret) break;
swiSHA1Update(&ctx, buf, ret);
scanKeys();
int keys = keysHeld();
if (keys & KEY_START) return false;
font->print((ftell(fp) / (fsize / (SCREEN_COLS - 2))) + 1, nameHeight + 5, false, "=");
font->printf(0, nameHeight + 6, false, Alignment::left, Palette::white, "%d/%d bytes processed", ftell(fp), fsize);
font->update(false);
}
swiSHA1Final(sha1, &ctx);
free(buf);
return true;
}
void dirCopy(const DirEntry &entry, int i, const char *destinationPath, const char *sourcePath) {
std::vector<DirEntry> dirContents;
dirContents.clear();
if (entry.isDirectory) chdir((sourcePath + ("/" + entry.name)).c_str());
getDirectoryContents(dirContents);
if (((int)dirContents.size()) == 1) mkdir((destinationPath + ("/" + entry.name)).c_str(), 0777);
if (((int)dirContents.size()) != 1) fcopy((sourcePath + ("/" + entry.name)).c_str(), (destinationPath + ("/" + entry.name)).c_str());
}
int fcopy(const char *sourcePath, const char *destinationPath) {
DIR *isDir = opendir(sourcePath);
if (isDir != NULL) {
closedir(isDir);
// Source path is a directory
chdir(sourcePath);
std::vector<DirEntry> dirContents;
getDirectoryContents(dirContents);
mkdir(destinationPath, 0777);
for (int i = 1; i < ((int)dirContents.size()); i++) {
chdir(sourcePath);
dirCopy(dirContents[i], i, destinationPath, sourcePath);
}
chdir(destinationPath);
chdir("..");
return 1;
} else {
closedir(isDir);
// Source path is a file
FILE* sourceFile = fopen(sourcePath, "rb");
off_t fsize = 0;
if (sourceFile) {
fseek(sourceFile, 0, SEEK_END);
fsize = ftell(sourceFile); // Get source file's size
fseek(sourceFile, 0, SEEK_SET);
} else {
return -1;
}
FILE* destinationFile = fopen(destinationPath, "wb");
if (!destinationFile) {
fclose(sourceFile);
return -1;
}
font->clear(false);
font->print(0, 0, false, "Progress:");
font->print(0, 1, false, "[");
font->print(-1, 1, false, "]");
off_t offset = 0;
int numr;
while (1) {
scanKeys();
if (keysHeld() & KEY_B) {
// Cancel copying
fclose(sourceFile);
fclose(destinationFile);
return -1;
break;
}
// Print time
font->print(-1, 0, true, RetTime(), Alignment::right, Palette::blackGreen);
font->update(true);
font->print((offset / (fsize / (SCREEN_COLS - 2))) + 1, 1, false, "=");
font->printf(0, 2, false, Alignment::left, Palette::white, "%lld/%lld Bytes", offset, fsize);
font->update(false);
// Copy file to destination path
numr = fread(copyBuf, 1, copyBufSize, sourceFile);
fwrite(copyBuf, 1, numr, destinationFile);
offset += copyBufSize;
if (offset > fsize) {
fclose(sourceFile);
fclose(destinationFile);
return 1;
break;
}
}
return -1;
}
}
void changeFileAttribs(const DirEntry *entry) {
int pressed = 0;
int cursorScreenPos = font->calcHeight(entry->name);
uint8_t currentAttribs = FAT_getAttr(entry->name.c_str());
uint8_t newAttribs = currentAttribs;
while (1) {
font->clear(false);
font->print(0, 0, false, entry->name);
if (!entry->isDirectory)
font->printf(0, cursorScreenPos + 1, false, Alignment::left, Palette::white, "filesize: %s", getBytes(entry->size).c_str());
font->printf(0, cursorScreenPos + 3, false, Alignment::left, Palette::white, "[%c] ↑ read-only [%c] ↓ hidden", (newAttribs & ATTR_READONLY) ? 'X' : ' ', (newAttribs & ATTR_HIDDEN) ? 'X' : ' ');
font->printf(0, cursorScreenPos + 4, false, Alignment::left, Palette::white, "[%c] → system [%c] ← archive", (newAttribs & ATTR_SYSTEM) ? 'X' : ' ', (newAttribs & ATTR_ARCHIVE) ? 'X' : ' ');
font->printf(0, cursorScreenPos + 5, false, Alignment::left, Palette::white, "[%c] virtual", (newAttribs & ATTR_VOLUME) ? 'X' : ' ');
font->printf(0, cursorScreenPos + 6, false, Alignment::left, Palette::white, "(↑↓→← to change attributes)");
font->print(0, cursorScreenPos + 8, false, (currentAttribs == newAttribs) ? "(<A> to continue)" : "(<A> to apply, <B> to cancel)");
font->update(false);
// Power saving loop. Only poll the keys once per frame and sleep the CPU if there is nothing else to do
do {
// Print time
font->print(-1, 0, true, RetTime(), Alignment::right, Palette::blackGreen);
font->update(true);
scanKeys();
pressed = keysDown();
swiWaitForVBlank();
} while (!(pressed & KEY_UP) && !(pressed & KEY_DOWN) && !(pressed & KEY_RIGHT) && !(pressed & KEY_LEFT)
&& !(pressed & KEY_A) && !(pressed & KEY_B));
if (pressed & KEY_UP) {
newAttribs ^= ATTR_READONLY;
} else if (pressed & KEY_DOWN) {
newAttribs ^= ATTR_HIDDEN;
} else if (pressed & KEY_RIGHT) {
newAttribs ^= ATTR_SYSTEM;
} else if (pressed & KEY_LEFT) {
newAttribs ^= ATTR_ARCHIVE;
} else if ((pressed & KEY_A) && (currentAttribs != newAttribs)) {
FAT_setAttr(entry->name.c_str(), newAttribs);
break;
} else if (pressed & (KEY_A | KEY_B)) {
break;
}
}
}