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authorCameron Cawley2020-01-02 21:23:35 +0000
committerFilippos Karapetis2020-01-11 17:34:12 +0200
commitaa9a41545ad331acb37dde0790adfa8298b1f8b5 (patch)
tree6a962b560dc6bf29658b5e97c02c0c685e493601 /common
parent46056aba3ca7d9f51833b1a5154f8a9cc371f340 (diff)
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COMMON: Add a common base class for the Windows resource classes
Diffstat (limited to 'common')
-rw-r--r--common/winexe.cpp82
-rw-r--r--common/winexe.h40
-rw-r--r--common/winexe_ne.cpp82
-rw-r--r--common/winexe_ne.h7
-rw-r--r--common/winexe_pe.cpp15
-rw-r--r--common/winexe_pe.h4
6 files changed, 126 insertions, 104 deletions
diff --git a/common/winexe.cpp b/common/winexe.cpp
index fc389f6ea6..fd1d565036 100644
--- a/common/winexe.cpp
+++ b/common/winexe.cpp
@@ -20,6 +20,8 @@
*
*/
+#include "common/file.h"
+#include "common/memstream.h"
#include "common/str.h"
#include "common/winexe.h"
@@ -78,4 +80,84 @@ String WinResourceID::toString() const {
return "";
}
+bool WinResources::loadFromEXE(const String &fileName) {
+ if (fileName.empty())
+ return false;
+
+ File *file = new File();
+
+ if (!file->open(fileName)) {
+ delete file;
+ return false;
+ }
+
+ return loadFromEXE(file);
+}
+
+bool WinResources::loadFromCompressedEXE(const String &fileName) {
+ // Based on http://www.cabextract.org.uk/libmspack/doc/szdd_kwaj_format.html
+
+ // TODO: Merge this with with loadFromEXE() so the handling of the compressed
+ // EXE's is transparent
+
+ File file;
+
+ if (!file.open(fileName))
+ return false;
+
+ // First part of the signature
+ if (file.readUint32BE() != MKTAG('S','Z','D','D'))
+ return false;
+
+ // Second part of the signature
+ if (file.readUint32BE() != 0x88F02733)
+ return false;
+
+ // Compression mode must be 'A'
+ if (file.readByte() != 'A')
+ return false;
+
+ file.readByte(); // file name character change
+ uint32 unpackedLength = file.readUint32LE();
+
+ byte *window = new byte[0x1000];
+ int pos = 0x1000 - 16;
+ memset(window, 0x20, 0x1000); // Initialize to all spaces
+
+ byte *unpackedData = (byte *)malloc(unpackedLength);
+ assert(unpackedData);
+ byte *dataPos = unpackedData;
+
+ // Apply simple LZSS decompression
+ for (;;) {
+ byte controlByte = file.readByte();
+
+ if (file.eos())
+ break;
+
+ for (byte i = 0; i < 8; i++) {
+ if (controlByte & (1 << i)) {
+ *dataPos++ = window[pos++] = file.readByte();
+ pos &= 0xFFF;
+ } else {
+ int matchPos = file.readByte();
+ int matchLen = file.readByte();
+ matchPos |= (matchLen & 0xF0) << 4;
+ matchLen = (matchLen & 0xF) + 3;
+ while (matchLen--) {
+ *dataPos++ = window[pos++] = window[matchPos++];
+ pos &= 0xFFF;
+ matchPos &= 0xFFF;
+ }
+ }
+
+ }
+ }
+
+ delete[] window;
+ SeekableReadStream *stream = new MemoryReadStream(unpackedData, unpackedLength);
+
+ return loadFromEXE(stream);
+}
+
} // End of namespace Common
diff --git a/common/winexe.h b/common/winexe.h
index 9aeea379ed..cdbc0f6d13 100644
--- a/common/winexe.h
+++ b/common/winexe.h
@@ -28,6 +28,8 @@
namespace Common {
+class SeekableReadStream;
+
/** The default Windows resources. */
enum WinResourceType {
kWinCursor = 0x01,
@@ -90,6 +92,44 @@ struct WinResourceID_EqualTo {
bool operator()(const WinResourceID &id1, const WinResourceID &id2) const { return id1 == id2; }
};
+/**
+ * A class able to load resources from a Windows Executable, such
+ * as cursors, bitmaps, and sounds.
+ */
+class WinResources {
+public:
+ virtual ~WinResources() {};
+
+ /** Clear all information. */
+ virtual void clear() = 0;
+
+ /** Load from an EXE file. */
+ virtual bool loadFromEXE(const String &fileName);
+
+ /** Load from a Windows compressed EXE file. */
+ virtual bool loadFromCompressedEXE(const String &fileName);
+
+ /** Load from a stream. */
+ virtual bool loadFromEXE(SeekableReadStream *stream) = 0;
+
+ /** Return a list of IDs for a given type. */
+ virtual const Array<WinResourceID> getIDList(const WinResourceID &type) const = 0;
+
+ /** Return a list of languages for a given type and ID. */
+ virtual const Array<WinResourceID> getLangList(const WinResourceID &type, const WinResourceID &id) const {
+ Array<WinResourceID> array;
+ return array;
+ }
+
+ /** Return a stream to the specified resource, taking the first language found (or 0 if non-existent). */
+ virtual SeekableReadStream *getResource(const WinResourceID &type, const WinResourceID &id) = 0;
+
+ /** Return a stream to the specified resource (or 0 if non-existent). */
+ virtual SeekableReadStream *getResource(const WinResourceID &type, const WinResourceID &id, const WinResourceID &lang) {
+ return getResource(type, id);
+ }
+};
+
} // End of namespace Common
#endif
diff --git a/common/winexe_ne.cpp b/common/winexe_ne.cpp
index 2d46cb2554..66b5e0911a 100644
--- a/common/winexe_ne.cpp
+++ b/common/winexe_ne.cpp
@@ -21,8 +21,6 @@
*/
#include "common/debug.h"
-#include "common/file.h"
-#include "common/memstream.h"
#include "common/str.h"
#include "common/stream.h"
#include "common/winexe_ne.h"
@@ -46,20 +44,6 @@ void NEResources::clear() {
_resources.clear();
}
-bool NEResources::loadFromEXE(const String &fileName) {
- if (fileName.empty())
- return false;
-
- File *file = new File();
-
- if (!file->open(fileName)) {
- delete file;
- return false;
- }
-
- return loadFromEXE(file);
-}
-
bool NEResources::loadFromEXE(SeekableReadStream *stream) {
clear();
@@ -80,72 +64,6 @@ bool NEResources::loadFromEXE(SeekableReadStream *stream) {
return true;
}
-bool NEResources::loadFromCompressedEXE(const String &fileName) {
- // Based on http://www.cabextract.org.uk/libmspack/doc/szdd_kwaj_format.html
-
- // TODO: Merge this with with loadFromEXE() so the handling of the compressed
- // EXE's is transparent
-
- File file;
-
- if (!file.open(fileName))
- return false;
-
- // First part of the signature
- if (file.readUint32BE() != MKTAG('S','Z','D','D'))
- return false;
-
- // Second part of the signature
- if (file.readUint32BE() != 0x88F02733)
- return false;
-
- // Compression mode must be 'A'
- if (file.readByte() != 'A')
- return false;
-
- file.readByte(); // file name character change
- uint32 unpackedLength = file.readUint32LE();
-
- byte *window = new byte[0x1000];
- int pos = 0x1000 - 16;
- memset(window, 0x20, 0x1000); // Initialize to all spaces
-
- byte *unpackedData = (byte *)malloc(unpackedLength);
- assert(unpackedData);
- byte *dataPos = unpackedData;
-
- // Apply simple LZSS decompression
- for (;;) {
- byte controlByte = file.readByte();
-
- if (file.eos())
- break;
-
- for (byte i = 0; i < 8; i++) {
- if (controlByte & (1 << i)) {
- *dataPos++ = window[pos++] = file.readByte();
- pos &= 0xFFF;
- } else {
- int matchPos = file.readByte();
- int matchLen = file.readByte();
- matchPos |= (matchLen & 0xF0) << 4;
- matchLen = (matchLen & 0xF) + 3;
- while (matchLen--) {
- *dataPos++ = window[pos++] = window[matchPos++];
- pos &= 0xFFF;
- matchPos &= 0xFFF;
- }
- }
-
- }
- }
-
- delete[] window;
- SeekableReadStream *stream = new MemoryReadStream(unpackedData, unpackedLength);
-
- return loadFromEXE(stream);
-}
-
uint32 NEResources::getResourceTableOffset() {
if (!_exe)
return 0xFFFFFFFF;
diff --git a/common/winexe_ne.h b/common/winexe_ne.h
index 1a845864b2..118629abe1 100644
--- a/common/winexe_ne.h
+++ b/common/winexe_ne.h
@@ -38,7 +38,7 @@ class SeekableReadStream;
*
* See http://en.wikipedia.org/wiki/New_Executable for more info.
*/
-class NEResources {
+class NEResources : public WinResources {
public:
NEResources();
~NEResources();
@@ -47,10 +47,7 @@ public:
void clear();
/** Load from an EXE file. */
- bool loadFromEXE(const String &fileName);
-
- /** Load from a Windows compressed EXE file. */
- bool loadFromCompressedEXE(const String &fileName);
+ using WinResources::loadFromEXE;
/** Load from a stream. */
bool loadFromEXE(SeekableReadStream *stream);
diff --git a/common/winexe_pe.cpp b/common/winexe_pe.cpp
index a79b0c4d50..5e962dd139 100644
--- a/common/winexe_pe.cpp
+++ b/common/winexe_pe.cpp
@@ -23,7 +23,6 @@
#include "common/array.h"
#include "common/debug.h"
#include "common/endian.h"
-#include "common/file.h"
#include "common/str.h"
#include "common/stream.h"
#include "common/winexe_pe.h"
@@ -44,20 +43,6 @@ void PEResources::clear() {
delete _exe; _exe = nullptr;
}
-bool PEResources::loadFromEXE(const String &fileName) {
- if (fileName.empty())
- return false;
-
- File *file = new File();
-
- if (!file->open(fileName)) {
- delete file;
- return false;
- }
-
- return loadFromEXE(file);
-}
-
bool PEResources::loadFromEXE(SeekableReadStream *stream) {
clear();
diff --git a/common/winexe_pe.h b/common/winexe_pe.h
index 875ec898ad..79b913043a 100644
--- a/common/winexe_pe.h
+++ b/common/winexe_pe.h
@@ -37,7 +37,7 @@ class SeekableReadStream;
* A class able to load resources from a Windows Portable Executable, such
* as cursors, bitmaps, and sounds.
*/
-class PEResources {
+class PEResources : public WinResources {
public:
PEResources();
~PEResources();
@@ -46,7 +46,7 @@ public:
void clear();
/** Load from an EXE file. */
- bool loadFromEXE(const String &fileName);
+ using WinResources::loadFromEXE;
/** Load from a stream. */
bool loadFromEXE(SeekableReadStream *stream);