X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ffile.cpp;fp=src%2Ffile.cpp;h=6e895c57611887c34cb3cf557b64f516d7de70b2;hb=b79146c85ed8f85acc80fe56534f72cd777f0b02;hp=bf8ad546028843c1bb9f8ca37ed709edebcb3413;hpb=8cecfa4150ad7bc9d2a95f9753e2666456f98243;p=virtualjaguar diff --git a/src/file.cpp b/src/file.cpp index bf8ad54..6e895c5 100644 --- a/src/file.cpp +++ b/src/file.cpp @@ -10,6 +10,7 @@ // Who When What // --- ---------- ------------------------------------------------------------- // JLH 01/16/2010 Created this log ;-) +// JLH 02/28/2010 Added functions to look inside .ZIP files and handle contents // #include "file.h" @@ -27,6 +28,7 @@ // Private function prototypes static int gzfilelength(gzFile gd); +static bool CheckExtension(const char * filename, const char * ext); // // Generic ROM loading @@ -35,7 +37,7 @@ uint32 JaguarLoadROM(uint8 * rom, char * path) { // We really should have some kind of sanity checking for the ROM size here to prevent // a buffer overflow... !!! FIX !!! -#warning !!! FIX !!! Should have sanity checking for ROM size to prevent buffer overflow! +#warning "!!! FIX !!! Should have sanity checking for ROM size to prevent buffer overflow!" uint32 romSize = 0; WriteLog("JaguarLoadROM: Attempting to load file '%s'...", path); @@ -287,7 +289,7 @@ Start of Data Segment = 0x00803dd0 } else { - WriteLog("GUI: Couldn't find correct ABS format: %02X %02X\n", jaguarMainROM[0], jaguarMainROM[1]); + WriteLog("GUI: Couldn't find correct ABS/COF format: %02X %02X\n", jaguarMainROM[0], jaguarMainROM[1]); return false; } } @@ -345,3 +347,78 @@ static int gzfilelength(gzFile gd) gzrewind(gd); return length; } + +// +// Compare extension to passed in filename. If equal, return true; otherwise false. +// +static bool CheckExtension(const char * filename, const char * ext) +{ + const char * filenameExt = strrchr(filename, '.'); // Get the file's extension (if any) + return (strcasecmp(filenameExt, ext) == 0 ? true : false); +} + +// +// Get file from .ZIP +// Returns the size of the file inside the .ZIP file that we're looking at +// +uint32 GetFileFromZIP(const char * zipFile, FileType type, uint8 * buffer) +{ +#warning "!!! FIX !!! Should have sanity checking for ROM size to prevent buffer overflow!" + const char ftStrings[5][32] = { "Software", "EEPROM", "Label", "Box Art", "Controller Overlay" }; + ZIP * zip = openzip(0, 0, zipFile); + + if (zip == NULL) + { + WriteLog("FILE: Could not open file '%s'!\n", zipFile); + return 0; + } + + while (readzip(zip)) + { + zipent * ze = &zip->ent; + bool found = false; + + if ((type == FT_LABEL) && (CheckExtension(ze->name, ".png") || CheckExtension(ze->name, ".jpg") || CheckExtension(ze->name, ".gif"))) + { + found = true; + WriteLog("FILE: Found image file '%s'.\n", ze->name); + } + + if ((type == FT_SOFTWARE) && (CheckExtension(ze->name, ".j64") || CheckExtension(ze->name, ".rom") || CheckExtension(ze->name, ".abs") || CheckExtension(ze->name, ".cof"))) + { + found = true; + WriteLog("FILE: Found software file '%s'.\n", ze->name); + } + + if ((type == FT_EEPROM) && (CheckExtension(ze->name, ".eep") || CheckExtension(ze->name, ".eeprom"))) + { + found = true; + WriteLog("FILE: Found EEPROM file '%s'.\n", ze->name); + } + + if (found) + { + WriteLog("FILE: Uncompressing..."); + + if (readuncompresszip(zip, ze, (char *)buffer) == 0) + { + WriteLog("success! (%u bytes)\n", ze->uncompressed_size); + return ze->uncompressed_size; + } + else + { + WriteLog("FAILED!\n"); + return 0; + } + } + } + + closezip(zip); + + WriteLog("FILE: Failed to find file of type %s...\n", ftStrings[type]); + // Didn't find what we're looking for... + return 0; +} + +//ParseFileType, etc. +