MT32: Get rid of ANSIFile.

svn-id: r54827

3 files changed, 40 insertions, 107 deletions

diff --git a/sound/softsynth/mt32/mt32_file.cpp b/sound/softsynth/mt32/mt32_file.cpp
index ce5c2874c4..cdf9fa13f6 100644
--- a/sound/softsynth/mt32/mt32_file.cpp
+++ b/sound/softsynth/mt32/mt32_file.cpp
@@ -20,95 +20,51 @@
  */
 
 
-// FIXME: Disable symbol overrides so that we can use system headers.
-// But we *really* should get rid of this usage of FILE, fopen etc.
-#define FORBIDDEN_SYMBOL_ALLOW_ALL
-
-
-#include <stdio.h>
-
 #include "mt32emu.h"
 
 namespace MT32Emu {
 
-	bool ANSIFile::open(const char *filename, OpenMode mode) {
-		const char *fmode;
-		if (mode == OpenMode_read) {
-			fmode = "rb";
-		} else {
-			fmode = "wb";
-		}
-		fp = fopen(filename, fmode);
-		return (fp != NULL);
-	}
-
-	void ANSIFile::close() {
-		fclose((FILE *)fp);
-	}
+bool File::readBit16u(Bit16u *in) {
+	Bit8u b[2];
+	if (read(&b[0], 2) != 2)
+		return false;
+	*in = ((b[0] << 8) | b[1]);
+	return true;
+}
 
-	size_t ANSIFile::read(void *in, size_t size) {
-		return fread(in, 1, size, (FILE *)fp);
-	}
+bool File::readBit32u(Bit32u *in) {
+	Bit8u b[4];
+	if (read(&b[0], 4) != 4)
+		return false;
+	*in = ((b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3]);
+	return true;
+}
 
-	bool ANSIFile::readBit8u(Bit8u *in) {
-		int c = fgetc((FILE *)fp);
-		if (c == EOF)
-			return false;
-		*in = (Bit8u)c;
-		return true;
+bool File::writeBit16u(Bit16u out) {
+	if (!writeBit8u((Bit8u)((out & 0xFF00) >> 8))) {
+		return false;
 	}
-
-	bool File::readBit16u(Bit16u *in) {
-		Bit8u b[2];
-		if (read(&b[0], 2) != 2)
-			return false;
-		*in = ((b[0] << 8) | b[1]);
-		return true;
+	if (!writeBit8u((Bit8u)(out & 0x00FF))) {
+		return false;
 	}
+	return true;
+}
 
-	bool File::readBit32u(Bit32u *in) {
-		Bit8u b[4];
-		if (read(&b[0], 4) != 4)
-			return false;
-		*in = ((b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3]);
-		return true;
+bool File::writeBit32u(Bit32u out) {
+	if (!writeBit8u((Bit8u)((out & 0xFF000000) >> 24))) {
+		return false;
 	}
-
-	size_t ANSIFile::write(const void *out, size_t size) {
-		return fwrite(out, 1, size, (FILE *)fp);
+	if (!writeBit8u((Bit8u)((out & 0x00FF0000) >> 16))) {
+		return false;
 	}
-
-	bool ANSIFile::writeBit8u(Bit8u out) {
-		return fputc(out, (FILE *)fp) != EOF;
+	if (!writeBit8u((Bit8u)((out & 0x0000FF00) >> 8))) {
+		return false;
 	}
-
-	bool File::writeBit16u(Bit16u out) {
-		if (!writeBit8u((Bit8u)((out & 0xFF00) >> 8))) {
-			return false;
-		}
-		if (!writeBit8u((Bit8u)(out & 0x00FF))) {
-			return false;
-		}
-		return true;
+	if (!writeBit8u((Bit8u)(out & 0x000000FF))) {
+		return false;
 	}
+	return true;
+}
 
-	bool File::writeBit32u(Bit32u out) {
-		if (!writeBit8u((Bit8u)((out & 0xFF000000) >> 24))) {
-			return false;
-		}
-		if (!writeBit8u((Bit8u)((out & 0x00FF0000) >> 16))) {
-			return false;
-		}
-		if (!writeBit8u((Bit8u)((out & 0x0000FF00) >> 8))) {
-			return false;
-		}
-		if (!writeBit8u((Bit8u)(out & 0x000000FF))) {
-			return false;
-		}
-		return true;
-	}
+} // End of namespace MT32Emu
 
-	bool ANSIFile::isEOF() {
-		return feof((FILE *)fp) != 0;
-	}
-}
diff --git a/sound/softsynth/mt32/mt32_file.h b/sound/softsynth/mt32/mt32_file.h
index b311ad9626..e6641660ee 100644
--- a/sound/softsynth/mt32/mt32_file.h
+++ b/sound/softsynth/mt32/mt32_file.h
@@ -22,7 +22,7 @@
 #ifndef MT32EMU_FILE_H
 #define MT32EMU_FILE_H
 
-#include <stdio.h>
+#include "common/scummsys.h"
 
 namespace MT32Emu {
 
@@ -47,19 +47,6 @@ public:
 	virtual bool isEOF() = 0;
 };
 
-class ANSIFile: public File {
-private:
-	void *fp;
-public:
-	bool open(const char *filename, OpenMode mode);
-	void close();
-	size_t read(void *in, size_t size);
-	bool readBit8u(Bit8u *in);
-	size_t write(const void *out, size_t size);
-	bool writeBit8u(Bit8u out);
-	bool isEOF();
-};
-
-}
+} // End of namespace MT32Emu
 
 #endif
diff --git a/sound/softsynth/mt32/synth.cpp b/sound/softsynth/mt32/synth.cpp
index 6a16db22ec..8cf2233654 100644
--- a/sound/softsynth/mt32/synth.cpp
+++ b/sound/softsynth/mt32/synth.cpp
@@ -162,21 +162,11 @@ void Synth::initReverb(Bit8u newRevMode, Bit8u newRevTime, Bit8u newRevLevel) {
 }
 
 File *Synth::openFile(const char *filename, File::OpenMode mode) {
-	if (myProp.openFile != NULL) {
-		return myProp.openFile(myProp.userData, filename, mode);
-	}
-	char pathBuf[2048];
-	if (myProp.baseDir != NULL) {
-		strcpy(&pathBuf[0], myProp.baseDir);
-		strcat(&pathBuf[0], filename);
-		filename = pathBuf;
-	}
-	ANSIFile *file = new ANSIFile();
-	if (!file->open(filename, mode)) {
-		delete file;
-		return NULL;
-	}
-	return file;
+	// It should never happen that openFile is NULL in our use case.
+	// Just to cover the case where something is horrible wrong we
+	// use an assert here.
+	assert(myProp.openFile != NULL);
+	return myProp.openFile(myProp.userData, filename, mode);
 }
 
 void Synth::closeFile(File *file) {