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-rw-r--r--lib/cdutils.cpp194
1 files changed, 100 insertions, 94 deletions
diff --git a/lib/cdutils.cpp b/lib/cdutils.cpp
index 1049535..0f7aa76 100644
--- a/lib/cdutils.cpp
+++ b/lib/cdutils.cpp
@@ -26,32 +26,34 @@
#include "cdutils.h"
#include "Output.h"
-Output * ppf_file = 0;
-int pt1 = -1, pt2 = -1, snum = 0, ptl = 0, root = 0;
+const long sec_sizes[6] = {0, 2048, 2336, 2048, 2324, 2352};
+const long sec_offsts[6] = {0, 16, 16, 24, 24, 0};
+const String sec_modes[6] = {"MODE 0 (empty)", "MODE 1", "MODE 2", "MODE 2 FORM 1", "MODE 2 FORM 2", "Autodetect"};
-long sec_sizes[5] = {0, 2048, 2336, 2048, 2324};
-long sec_offsts[5] = {0, 16, 16, 24, 24};
-String sec_modes[5] = {"MODE 0 (no mode)", "MODE 1", "MODE 2", "MODE 2 FORM 1", "MODE 2 FORM 2"};
+cdutils::cdutils(Handle * r, Handle * w) : f_iso_r(r), f_iso_w(w), ppf_file(0), pt1(-1), pt2(-1), snum(0), ptl(0), root(0) {}
-struct DirEntry rootDir;
+cdutils::~cdutils() {
+ if (ppf_file)
+ delete ppf_file;
+}
-unsigned char from_BCD(unsigned char x) {
+unsigned char cdutils::from_BCD(unsigned char x) {
return ((x & 0xf) + ((x & 0xf0) >> 4) * 10);
}
-unsigned char to_BCD(unsigned char x) {
+unsigned char cdutils::to_BCD(unsigned char x) {
return ((x / 10) << 4) | (x % 10);
}
-int is_valid_BCD(unsigned char x) {
+int cdutils::is_valid_BCD(unsigned char x) {
return (((x & 15) < 10) && ((x >> 4) < 10));
}
-unsigned long from_MSF(unsigned char m, unsigned char s, unsigned char f, unsigned long start) {
+unsigned long cdutils::from_MSF(unsigned char m, unsigned char s, unsigned char f, unsigned long start) {
return (from_BCD(m) * 60 + from_BCD(s)) * 75 + from_BCD(f) - start;
}
-unsigned long from_MSF(unsigned long msf, unsigned long start) {
+unsigned long cdutils::from_MSF(unsigned long msf, unsigned long start) {
unsigned char
f = msf & 0xff,
s = (msf >> 8) & 0xff,
@@ -60,9 +62,8 @@ unsigned long from_MSF(unsigned long msf, unsigned long start) {
return from_MSF(m, s, f, start);
}
-Handle * open_ppf(String ppf, Handle * iso, String comment) throw (GeneralException) {
+Handle * cdutils::open_ppf(String ppf, String comment) throw (GeneralException) {
int i, l;
- Byte buffer[1024];
if (ppf_file)
throw GeneralException("Tried to open_ppf() while already opened.");
@@ -80,16 +81,15 @@ Handle * open_ppf(String ppf, Handle * iso, String comment) throw (GeneralExcept
}
}
- l = iso->GetSize();
+ l = f_iso_r->GetSize();
ppf_file->write(&l, sizeof(l));
- iso->seek(0x9320, SEEK_SET);
- iso->read(buffer, 1024);
- ppf_file->write(buffer, 1024);
+ f_iso_r->seek(0x9320, SEEK_SET);
+ copy(f_iso_r, ppf_file, 1024);
return ppf_file;
}
-void write_ppf(Byte * old_sec, Byte * new_sec, int sec_num) {
+void cdutils::write_ppf(Byte * old_sec, Byte * new_sec, int sec_num) {
int i, l = 0, o;
for (i = 0; i < 2352; i++) {
@@ -114,7 +114,7 @@ void write_ppf(Byte * old_sec, Byte * new_sec, int sec_num) {
}
}
-void close_ppf() throw (GeneralException) {
+void cdutils::close_ppf() throw (GeneralException) {
if (ppf_file) {
delete ppf_file;
ppf_file = 0;
@@ -123,7 +123,12 @@ void close_ppf() throw (GeneralException) {
}
}
-String format_date(String input) {
+void cdutils::set_iso_w(Handle * w) {
+ if (!f_iso_w)
+ f_iso_w = w;
+}
+
+String cdutils::format_date(String input) {
String output;
output = input.extract(6, 7) + '/';
@@ -137,23 +142,23 @@ String format_date(String input) {
return output;
}
-Uint16 swap_word(Uint16 i) {
+Uint16 cdutils::swap_word(Uint16 i) {
return (i >> 8) | (i << 8);
}
-Uint32 swap_dword(Uint32 i) {
+Uint32 cdutils::swap_dword(Uint32 i) {
return (i >> 24) | ((i >> 8) & 0x0000ff00) | ((i << 8) & 0x00ff0000) | (i << 24);
}
-int guess_type(Handle * f_iso, int number) {
+int cdutils::guess_type(int number) {
Byte header[24];
if (number >= 0) {
- sector_seek(f_iso, number);
+ sector_seek(number);
}
- f_iso->read(header, 24);
- f_iso->seek(-24, SEEK_CUR);
+ f_iso_r->read(header, 24);
+ f_iso_r->seek(-24, SEEK_CUR);
if (header[15] == 1) {
return MODE_1;
} else if (header[15] == 2) {
@@ -172,136 +177,137 @@ int guess_type(Handle * f_iso, int number) {
return MODE_0;
}
-void sector_seek(Handle * f_iso, long sector) {
- f_iso->seek(2352 * sector);
+void cdutils::sector_seek(long sector) {
+ f_iso_r->seek(2352 * sector);
+ if (f_iso_w)
+ f_iso_w->seek(2352 * sector);
}
-long read_sector(Handle * f_iso, Byte * buffer, int type, int number) {
+long cdutils::read_sector(Byte * buffer, int type, int number) {
if (number >= 0) {
- sector_seek(f_iso, number);
+ sector_seek(number);
}
if (type == GUESS) {
- type = guess_type(f_iso, number);
+ type = guess_type();
}
- f_iso->seek(sec_offsts[type], SEEK_CUR);
- f_iso->read(buffer, sec_sizes[type]);
- f_iso->seek(2352 - sec_offsts[type] - sec_sizes[type], SEEK_CUR);
+ f_iso_r->seek(sec_offsts[type], SEEK_CUR);
+ f_iso_r->read(buffer, sec_sizes[type]);
+ f_iso_r->seek(2352 - sec_offsts[type] - sec_sizes[type], SEEK_CUR);
return sec_sizes[type];
}
-void read_datas(Handle * f_iso, Byte * buffer, int type, int number, long size) {
+void cdutils::read_datas(Byte * buffer, int type, int number, long size) {
Byte sector[2352];
int i, n, reste;
if (type == GUESS) {
- type = guess_type(f_iso, number);
+ type = guess_type(number);
}
n = size / sec_sizes[type];
reste = size - n * sec_sizes[type];
- sector_seek(f_iso, number);
+ sector_seek(number);
for (i = 0; i < n; i++) {
- read_sector(f_iso, buffer + i * sec_sizes[type], type);
+ read_sector(buffer + i * sec_sizes[type], type);
}
if (reste) {
- read_sector(f_iso, sector, type);
+ read_sector(sector, type);
bcopy((char *) sector, (char *) (buffer + n * sec_sizes[type]), reste);
}
}
-void read_file(Handle * f_iso, Handle * file, int type, int number, long size) {
+void cdutils::read_file(Handle * file, int type, int number, long size) {
Byte sector[2352];
int i, n, reste;
if (type == GUESS) {
- type = guess_type(f_iso, number);
+ type = guess_type(number);
}
n = size / sec_sizes[type];
reste = size - n * sec_sizes[type];
- sector_seek(f_iso, number);
+ sector_seek(number);
for (i = 0; i < n; i++) {
- read_sector(f_iso, sector, type);
+ read_sector(sector, type);
file->write(sector, sec_sizes[type]);
}
if (reste) {
- read_sector(f_iso, sector, type);
+ read_sector(sector, type);
file->write(sector, reste);
}
}
-void write_sector(Handle * f_iso_r, Handle * f_iso_w, Byte * buffer, int type, int number) {
+void cdutils::write_sector(Byte * buffer, int type, int number) {
Byte old_sector[2352], new_sector[2352];
if (type == GUESS) {
- type = guess_type(f_iso_r, number);
+ type = guess_type(number);
}
if (number >= 0) {
- sector_seek(f_iso_r, number);
- sector_seek(f_iso_w, number);
+ sector_seek(number);
}
f_iso_r->read(old_sector, 2352);
- minute = old_sector[12];
- second = old_sector[13];
- frame = old_sector[14];
+ yazedc_o.minute = old_sector[12];
+ yazedc_o.second = old_sector[13];
+ yazedc_o.frame = old_sector[14];
bcopy((char *) old_sector, (char *) new_sector, 2532);
bcopy((char *) buffer, (char *) new_sector + sec_offsts[type], sec_sizes[type]);
- do_encode_L2(new_sector, type, 0);
- if (!ppf_file) {
+ yazedc_o.do_encode_L2(new_sector, type, 0);
+ if (f_iso_w) {
f_iso_w->write(new_sector, 2352);
- } else {
+ } else if (ppf_file) {
write_ppf(old_sector, new_sector, number);
+ } else {
+ printm(M_ERROR, "No writing method for iso file");
}
}
-void write_datas(Handle * f_iso_r, Handle * f_iso_w, Byte * buffer, int type, int number, long size) {
+void cdutils::write_datas(Byte * buffer, int type, int number, long size) {
long nbsectors, i;
unsigned char sector[2352];
if (type == GUESS) {
- type = guess_type(f_iso_r, number);
+ type = guess_type(number);
}
if (number >= 0) {
- sector_seek(f_iso_r, number);
- sector_seek(f_iso_w, number);
+ sector_seek(number);
}
nbsectors = size / sec_sizes[type];
for (i = 0; i < nbsectors; i++) {
- write_sector(f_iso_r, f_iso_w, buffer + i * sec_sizes[type], type, number + i);
+ write_sector(buffer + i * sec_sizes[type], type, number + i);
}
if (size % sec_sizes[type]) {
memset(sector, 0, 2352);
bcopy((char *) (buffer + i * sec_sizes[type]), (char *) sector, size % sec_sizes[type]);
- write_sector(f_iso_r, f_iso_w, sector, type, number + i);
+ write_sector(sector, type, number + i);
}
}
-void write_file(Handle * f_iso_r, Handle * f_iso_w, Handle * file, int type, int number) {
+void cdutils::write_file(Handle * file, int type, int number) {
long size, nbsectors, i;
unsigned char buffer[2352];
if (type == GUESS) {
- type = guess_type(f_iso_r, number);
+ type = guess_type(number);
}
if (number >= 0) {
- sector_seek(f_iso_r, number);
- sector_seek(f_iso_w, number);
+ sector_seek(number);
}
size = file->GetSize();
@@ -314,15 +320,15 @@ void write_file(Handle * f_iso_r, Handle * f_iso_w, Handle * file, int type, int
for (i = 0; i < nbsectors; i++) {
memset(buffer, 0, 2352);
file->read(buffer, sec_sizes[type]);
- write_sector(f_iso_r, f_iso_w, buffer, type);
+ write_sector(buffer, type);
}
}
-void show_head_entry(void) {
+void cdutils::show_head_entry(void) {
printm(M_BARE, "Sector - Size - Date - Time - Flags - Name\n");
}
-int show_entry(struct DirEntry * dir) {
+int cdutils::show_entry(struct DirEntry * dir) {
char pbuf[200];
if (!dir->R) {
return 1;
@@ -338,7 +344,7 @@ int show_entry(struct DirEntry * dir) {
return dir->R;
}
-int show_dir(Handle * f_iso, struct DirEntry * dir) {
+int cdutils::show_dir(struct DirEntry * dir) {
unsigned int ptr;
Byte * buffer;
@@ -347,7 +353,7 @@ int show_dir(Handle * f_iso, struct DirEntry * dir) {
}
buffer = (Byte *) malloc(dir->Size);
- read_datas(f_iso, buffer, GUESS, dir->Sector, dir->Size);
+ read_datas(buffer, GUESS, dir->Sector, dir->Size);
ptr = 0;
while(ptr < dir->Size) {
@@ -358,7 +364,7 @@ int show_dir(Handle * f_iso, struct DirEntry * dir) {
return 1;
}
-struct DirEntry find_dir_entry(Handle * f_iso, struct DirEntry * dir, String name) {
+struct cdutils::DirEntry cdutils::find_dir_entry(struct DirEntry * dir, String name) {
unsigned int ptr, size;
unsigned char * buffer;
struct DirEntry r = {0, 0, 0, 0, 0};
@@ -368,7 +374,7 @@ struct DirEntry find_dir_entry(Handle * f_iso, struct DirEntry * dir, String nam
}
buffer = (unsigned char *) malloc(size = dir->Size);
- read_datas(f_iso, buffer, GUESS, dir->Sector, dir->Size);
+ read_datas(buffer, GUESS, dir->Sector, dir->Size);
ptr = 0;
while(ptr < size) {
@@ -387,7 +393,7 @@ struct DirEntry find_dir_entry(Handle * f_iso, struct DirEntry * dir, String nam
return r;
}
-struct DirEntry * find_dir_entry(Handle * f_iso, Byte ** bufout, struct DirEntry * dir, String name) {
+struct cdutils::DirEntry * cdutils::find_dir_entry(Byte ** bufout, struct cdutils::DirEntry * dir, String name) {
unsigned int ptr, size;
Byte * buffer;
struct DirEntry * rdir = 0;
@@ -398,7 +404,7 @@ struct DirEntry * find_dir_entry(Handle * f_iso, Byte ** bufout, struct DirEntry
}
buffer = (Byte *) malloc(size = dir->Size);
- read_datas(f_iso, buffer, GUESS, dir->Sector, dir->Size);
+ read_datas(buffer, GUESS, dir->Sector, dir->Size);
ptr = 0;
while(ptr < size) {
@@ -421,14 +427,14 @@ struct DirEntry * find_dir_entry(Handle * f_iso, Byte ** bufout, struct DirEntry
return rdir;
}
-int show_iso_infos(Handle * f_iso) {
+int cdutils::show_iso_infos() {
char buffer[2048];
char pbuff[130];
short int s, nogood = 0;
- read_sector(f_iso, (Byte *) buffer, GUESS, 16);
+ read_sector((Byte *) buffer, GUESS, 16);
- printm(M_BARE, "Sector guessed mode : " + sec_modes[guess_type(f_iso, 16)] + "\n");
+ printm(M_BARE, "Sector guessed mode : " + sec_modes[guess_type(16)] + "\n");
printm(M_BARE, "offset-size-info : contents\n");
printm(M_BARE, " 0 - 1- 1 : %i\n", buffer[0]);
memcpy(pbuff, buffer + 1, 5);
@@ -481,10 +487,10 @@ int show_iso_infos(Handle * f_iso) {
memcpy(pbuff, buffer + 776, 37);
pbuff[37] = 0;
printm(M_BARE, " 776 - 37- BibFile: %s\n", pbuff);
- printm(M_BARE, " 813 - 17- DTCreat: %s\n", format_date(&buffer[813]).to_charp());
- printm(M_BARE, " 830 - 17- DTModif: %s\n", format_date(&buffer[830]).to_charp());
- printm(M_BARE, " 847 - 17- DTExpir: %s\n", format_date(&buffer[847]).to_charp());
- printm(M_BARE, " 864 - 17- DTEffec: %s\n", format_date(&buffer[864]).to_charp());
+ printm(M_BARE, " 813 - 17- DTCreat: " + format_date(&buffer[813]) + "\n");
+ printm(M_BARE, " 830 - 17- DTModif: " + format_date(&buffer[830]) + "\n");
+ printm(M_BARE, " 847 - 17- DTExpir: " + format_date(&buffer[847]) + "\n");
+ printm(M_BARE, " 864 - 17- DTEffec: " + format_date(&buffer[864]) + "\n");
printm(M_BARE, "Root record:\n");
show_head_entry();
@@ -493,12 +499,12 @@ int show_iso_infos(Handle * f_iso) {
return 1;
}
-int get_iso_infos(Handle * f_iso) {
+int cdutils::get_iso_infos() {
unsigned char buffer[2048];
char pbuff[130];
short int s, nogood = 0;
- read_sector(f_iso, buffer, GUESS, 16);
+ read_sector(buffer, GUESS, 16);
memcpy(pbuff, buffer + 1, 5);
pbuff[5] = 0;
@@ -521,11 +527,11 @@ int get_iso_infos(Handle * f_iso) {
return 1;
}
-int get_pt_infos(Handle * f_iso) {
+int cdutils::get_pt_infos() {
Byte * buffer;
if ((pt1 <= 0) && (pt2 <= 0))
- if (!get_iso_infos(f_iso))
+ if (!get_iso_infos())
return 0;
if ((!pt1) & (!pt2)) {
@@ -534,7 +540,7 @@ int get_pt_infos(Handle * f_iso) {
}
buffer = (Byte *) malloc(ptl);
- read_datas(f_iso, buffer, GUESS, !pt1 ? pt2 : pt1, ptl);
+ read_datas(buffer, GUESS, !pt1 ? pt2 : pt1, ptl);
if (buffer[0] == 1)
if (buffer[1] == 0)
@@ -548,13 +554,13 @@ int get_pt_infos(Handle * f_iso) {
return root ? 1 : 0;
}
-int show_pt_infos(Handle * f_iso) {
+int cdutils::show_pt_infos() {
Byte * buffer;
char pbuf[100];
int i, ptr;
if ((pt1 <= 0) && (pt2 <= 0))
- if (!get_iso_infos(f_iso))
+ if (!get_iso_infos())
return 0;
if ((!pt1) & (!pt2)) {
@@ -563,7 +569,7 @@ int show_pt_infos(Handle * f_iso) {
}
buffer = (Byte *) malloc(ptl);
- read_datas(f_iso, buffer, GUESS, !pt1 ? pt2 : pt1, ptl);
+ read_datas(buffer, GUESS, !pt1 ? pt2 : pt1, ptl);
printm(M_BARE, "node^paren@sector : name\n");
for (ptr = 0, i = 1; buffer[ptr]; ptr += ptr & 1, i++) {
@@ -577,13 +583,13 @@ int show_pt_infos(Handle * f_iso) {
return 1;
}
-struct DirEntry find_path(Handle * f_iso, String path) {
+struct cdutils::DirEntry cdutils::find_path(String path) {
char * newpath = path.strdup();
char ** pts = split(newpath, '/');
struct DirEntry dir = {0, 0, 0, 0, 0};
if ((pt1 <= 0) && (pt2 <= 0))
- if (!get_iso_infos(f_iso)) {
+ if (!get_iso_infos()) {
free(newpath);
return dir;
}
@@ -600,7 +606,7 @@ struct DirEntry find_path(Handle * f_iso, String path) {
for (dir = rootDir; *pts; pts++) {
if (!strlen(*pts))
continue;
- dir = find_dir_entry(f_iso, &dir, *pts);
+ dir = find_dir_entry(&dir, *pts);
if (!dir.R) {
free(newpath);
return dir;
@@ -611,7 +617,7 @@ struct DirEntry find_path(Handle * f_iso, String path) {
return dir;
}
-struct DirEntry find_parent(Handle * f_iso, String path) {
+struct cdutils::DirEntry cdutils::find_parent(String path) {
char * newpath = path.strdup();
char ** pts, * p;
struct DirEntry dir = {0, 0, 0, 0, 0};
@@ -626,7 +632,7 @@ struct DirEntry find_parent(Handle * f_iso, String path) {
pts = split(newpath, '/');
if ((pt1 <= 0) && (pt2 <= 0))
- if (!get_iso_infos(f_iso)) {
+ if (!get_iso_infos()) {
free(newpath);
return dir;
}
@@ -643,7 +649,7 @@ struct DirEntry find_parent(Handle * f_iso, String path) {
for (dir = rootDir; *pts; pts++) {
if (!strlen(*pts))
continue;
- dir = find_dir_entry(f_iso, &dir, *pts);
+ dir = find_dir_entry(&dir, *pts);
if (!dir.R) {
free(newpath);
return dir;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 09:43:16 +0000