o cleanup

tools/bsnes/lib/nall/string/core.cpp

@@ -0,0 +1,103 @@
+#ifdef NALL_STRING_CPP
+
+void string::reserve(size_t size_) {
+  if(size_ > size) {
+    size = size_;
+    data = (char*)realloc(data, size + 1);
+    data[size] = 0;
+  }
+}
+
+unsigned string::length() const {
+  return strlen(data);
+}
+
+string& string::assign(const char *s) {
+  unsigned length = strlen(s);
+  reserve(length);
+  strcpy(data, s);
+  return *this;
+}
+
+string& string::append(const char *s) {
+  unsigned length = strlen(data) + strlen(s);
+  reserve(length);
+  strcat(data, s);
+  return *this;
+}
+
+string::operator const char*() const {
+  return data;
+}
+
+char* string::operator()() {
+  return data;
+}
+
+char& string::operator[](int index) {
+  reserve(index);
+  return data[index];
+}
+
+bool string::operator==(const char *str) const { return strcmp(data, str) == 0; }
+bool string::operator!=(const char *str) const { return strcmp(data, str) != 0; }
+bool string::operator< (const char *str) const { return strcmp(data, str)  < 0; }
+bool string::operator<=(const char *str) const { return strcmp(data, str) <= 0; }
+bool string::operator> (const char *str) const { return strcmp(data, str)  > 0; }
+bool string::operator>=(const char *str) const { return strcmp(data, str) >= 0; }
+
+string::string() {
+  size = 64;
+  data = (char*)malloc(size + 1);
+  *data = 0;
+}
+
+string::string(const char *value) {
+  size = strlen(value);
+  data = strdup(value);
+}
+
+string::string(const string &value) {
+  size = strlen(value);
+  data = strdup(value);
+}
+
+string& string::operator=(const string &value) {
+  assign(value);
+}
+
+string::~string() {
+  free(data);
+}
+
+bool string::readfile(const char *filename) {
+  assign("");
+
+  #if !defined(_WIN32)
+  FILE *fp = fopen(filename, "rb");
+  #else
+  FILE *fp = _wfopen(nall::utf16_t(filename), L"rb");
+  #endif
+  if(!fp) return false;
+
+  fseek(fp, 0, SEEK_END);
+  size_t size = ftell(fp);
+  rewind(fp);
+  char *fdata = new char[size + 1];
+  unsigned unused = fread(fdata, 1, size, fp);
+  fclose(fp);
+  fdata[size] = 0;
+  assign(fdata);
+  delete[] fdata;
+
+  return true;
+}
+
+int lstring::find(const char *key) {
+  for(unsigned i = 0; i < size(); i++) {
+    if(operator[](i) == key) return i;
+  }
+  return -1;
+}
+
+#endif