diff options
-rw-r--r-- | common/unzip.cpp | 77 | ||||
-rw-r--r-- | common/unzip.h | 44 |
2 files changed, 85 insertions, 36 deletions
diff --git a/common/unzip.cpp b/common/unzip.cpp index 93fb60f41c..135dc2f7a7 100644 --- a/common/unzip.cpp +++ b/common/unzip.cpp @@ -1213,4 +1213,81 @@ extern int ZEXPORT unzGetGlobalComment (unzFile file, char *szComment, uLong uSi return (int)uReadThis; } +/* +class ZipArchiveMember : public ArchiveMember { + unzFile _zipFile; + +public: + ZipArchiveMember(FilesystemNode &node) : _node(node) { + } + + String getName() const { + ... + } + + SeekableReadStream *open() { + ... + } +}; +*/ + +ZipArchive::ZipArchive(const Common::String &name) { + _zipFile = unzOpen(name.c_str()); +} + +ZipArchive::~ZipArchive() { + unzClose(_zipFile); +} + +bool ZipArchive::hasFile(const Common::String &name) { + return (_zipFile && unzLocateFile(_zipFile, name.c_str(), 2) == UNZ_OK); +} + +int ZipArchive::getAllNames(Common::StringList &list) { + return 0; +} + +/* +int ZipArchive::listMembers(Common::ArchiveMemberList &list) { + if (!_zipFile) + return 0; + + int matches = 0; + int err = unzGoToFirstFile(_zipFile); + + while (err == UNZ_OK) { + char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1]; + unzGetCurrentFileInfo(_zipFile, NULL, + szCurrentFileName, sizeof(szCurrentFileName)-1, + NULL, 0, NULL, 0); + + szCurrentFileName + matches++; + err = unzGoToNextFile(file); + } + return 0; +} +*/ + +Common::SeekableReadStream *ZipArchive::openFile(const Common::String &name) { + if (!_zipFile) + return 0; + + unzLocateFile(_zipFile, name.c_str(), 2); + + unz_file_info fileInfo; + unzOpenCurrentFile(_zipFile); + unzGetCurrentFileInfo(_zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0); + byte *buffer = (byte *)calloc(fileInfo.uncompressed_size+1, 1); + assert(buffer); + unzReadCurrentFile(_zipFile, buffer, fileInfo.uncompressed_size); + unzCloseCurrentFile(_zipFile); + return new Common::MemoryReadStream(buffer, fileInfo.uncompressed_size+1, true); + + // FIXME: instead of reading all into a memory stream, we could + // instead create a new ZipStream class. But then we have to be + // careful to handle the case where the client code opens multiple + // files in the archive and tries to use them indepenendtly. +} + #endif diff --git a/common/unzip.h b/common/unzip.h index 43faaf4a74..6133e7c92d 100644 --- a/common/unzip.h +++ b/common/unzip.h @@ -306,46 +306,18 @@ extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file, #endif -class ZipArchive : Common::Archive { +class ZipArchive : public Common::Archive { unzFile _zipFile; public: - ZipArchive(const Common::String &name) { - _zipFile = unzOpen(name.c_str()); - } - ~ZipArchive() { - unzClose(_zipFile); - } - - virtual bool hasFile(const Common::String &name) { - return (_zipFile && unzLocateFile(_zipFile, name.c_str(), 2) == UNZ_OK); - } - - virtual int getAllNames(Common::StringList &list) { - // TODO - return 0; - } - - virtual Common::SeekableReadStream *openFile(const Common::String &name) { - if (!_zipFile) - return 0; + ZipArchive(const Common::String &name); + ~ZipArchive(); - unzLocateFile(_zipFile, name.c_str(), 2); - - unz_file_info fileInfo; - unzOpenCurrentFile(_zipFile); - unzGetCurrentFileInfo(_zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0); - byte *buffer = (byte *)calloc(fileInfo.uncompressed_size+1, 1); - assert(buffer); - unzReadCurrentFile(_zipFile, buffer, fileInfo.uncompressed_size); - unzCloseCurrentFile(_zipFile); - return new Common::MemoryReadStream(buffer, fileInfo.uncompressed_size+1, true); - - // FIXME: instead of reading all into a memory stream, we could - // instead create a new ZipStream class. But then we have to be - // careful to handle the case where the client code opens multiple - // files in the archive and tries to use them indepenendtly. - } + bool isOpen() const { return _zipFile != 0; } + + virtual bool hasFile(const Common::String &name); + virtual int getAllNames(Common::StringList &list); // FIXME: This one is not (yet?) implemented + virtual Common::SeekableReadStream *openFile(const Common::String &name); }; #endif // USE_ZLIB |