o cleanup

tools/bsnes/reader/jmareader.cpp

@@ -0,0 +1,38 @@
+#ifdef READER_CPP
+
+#include "jmareader.hpp"
+#include "jma/jma.h"
+
+unsigned JMAReader::size() {
+  return filesize;
+}
+
+uint8_t* JMAReader::read(unsigned length) {
+  uint8_t *data = 0;
+  if(!filesize) return 0;
+
+  if(length <= filesize) {
+    //read the entire file into RAM
+    data = new(zeromemory) uint8_t[filesize];
+    JMAFile.extract_file(cname, data);
+  } else if(length > filesize) {
+    //read the entire file into RAM, pad the rest with 0x00s
+    data = new(zeromemory) uint8_t[length];
+    JMAFile.extract_file(cname, data);
+  }
+
+  return data;
+}
+
+JMAReader::JMAReader(const char *fn) : JMAFile(fn), filesize(0) {
+  std::vector<JMA::jma_public_file_info> file_info = JMAFile.get_files_info();
+  for(std::vector<JMA::jma_public_file_info>::iterator i = file_info.begin(); i != file_info.end(); i++) {
+    //Check for valid ROM based on size
+    if((i->size <= 0x1000000 + 512) && (i->size > filesize)) {
+      cname = i->name;
+      filesize = i->size;
+    }
+  }
+}
+
+#endif //ifdef READER_CPP