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loader.cpp: improved file extension checking, made Upper/LowerStr useful

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Instead of forcibly taking the last 4 characters, it now finds the last extension separator (the period) and takes a substr of its location.
This commit is contained in:
archshift 2014-09-07 00:49:52 -07:00
parent 335082e74e
commit 4ed24a0619
3 changed files with 17 additions and 18 deletions
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16
src/common/string_util.cpp
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@ -18,19 +18,15 @@
#endif
/// Make a string lowercase
void LowerStr(char* str) {
for (int i = 0; str[i]; i++) {
str[i] = tolower(str[ i ]);
}
std::string LowerStr(std::string str) {
std::transform(str.begin(), str.end(), str.begin(), ::tolower);
return str;
}
/// Make a string uppercase
void UpperStr(char* str) {
for (int i=0; i < strlen(str); i++) {
if(str[i] >= 'a' && str[i] <= 'z') {
str[i] &= 0xDF;
}
}
std::string UpperStr(std::string str) {
std::transform(str.begin(), str.end(), str.begin(), ::toupper);
return str;
}
// faster than sscanf

5
src/common/string_util.h
View file

@ -13,10 +13,11 @@
#include "common/common.h"
/// Make a string lowercase
void LowerStr(char* str);
std::string LowerStr(std::string str);
/// Make a string uppercase
void UpperStr(char* str);
std::string UpperStr(std::string str);
std::string StringFromFormat(const char* format, ...);
// Cheap!

14
src/core/loader/loader.cpp
View file

@ -26,21 +26,23 @@ FileType IdentifyFile(const std::string &filename) {
ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
return FileType::Error;
}
std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
if (!strcasecmp(extension.c_str(), ".elf")) {
size_t extension_loc = filename.find_last_of('.');
std::string extension = extension_loc != std::string::npos ? filename.substr(extension_loc) : "";
if (LowerStr(extension) == ".elf") {
return FileType::ELF; // TODO(bunnei): Do some filetype checking :p
}
else if (!strcasecmp(extension.c_str(), ".axf")) {
else if (LowerStr(extension) == ".axf") {
return FileType::ELF; // TODO(bunnei): Do some filetype checking :p
}
else if (!strcasecmp(extension.c_str(), ".cxi")) {
else if (LowerStr(extension) == ".cxi") {
return FileType::CXI; // TODO(bunnei): Do some filetype checking :p
}
else if (!strcasecmp(extension.c_str(), ".cci")) {
else if (LowerStr(extension) == ".cci") {
return FileType::CCI; // TODO(bunnei): Do some filetype checking :p
}
else if (!strcasecmp(extension.c_str(), ".bin")) {
else if (LowerStr(extension) == ".bin") {
return FileType::BIN; // TODO(bunnei): Do some filetype checking :p
}
return FileType::Unknown;