fs/Traits: split PathTraits type into PathTraitsFS and PathTraitsUTF8

This commit is contained in:
Denis Krjuchkov
2013-12-05 03:53:43 +06:00
parent 02fcf184b5
commit 0a6c4c31b2
24 changed files with 95 additions and 90 deletions

View File

@@ -33,56 +33,40 @@
#include <assert.h>
/**
* This class describes the nature of a filesystem path.
* This class describes the nature of a native filesystem path.
*/
struct PathTraits {
struct PathTraitsFS {
typedef std::string string;
typedef char value_type;
typedef char *pointer;
typedef const char *const_pointer;
#ifdef WIN32
static constexpr value_type SEPARATOR_FS = '\\';
static constexpr value_type SEPARATOR = '\\';
#else
static constexpr value_type SEPARATOR_FS = '/';
static constexpr value_type SEPARATOR = '/';
#endif
static constexpr char SEPARATOR_UTF8 = '/';
static constexpr bool IsSeparatorFS(value_type ch) {
static constexpr bool IsSeparator(value_type ch) {
return
#ifdef WIN32
ch == '/' ||
#endif
ch == SEPARATOR_FS;
}
static constexpr bool IsSeparatorUTF8(char ch) {
return ch == SEPARATOR_UTF8;
ch == SEPARATOR;
}
gcc_pure
static bool IsAbsoluteFS(const_pointer p) {
static bool IsAbsolute(const_pointer p) {
assert(p != nullptr);
#ifdef WIN32
if (IsAlphaASCII(p[0]) && p[1] == ':' && IsSeparatorFS(p[2]))
if (IsAlphaASCII(p[0]) && p[1] == ':' && IsSeparator(p[2]))
return true;
#endif
return IsSeparatorFS(*p);
return IsSeparator(*p);
}
gcc_pure
static bool IsAbsoluteUTF8(const char *p) {
assert(p != nullptr);
#ifdef WIN32
if (IsAlphaASCII(p[0]) && p[1] == ':' && IsSeparatorUTF8(p[2]))
return true;
#endif
return IsSeparatorUTF8(*p);
}
gcc_pure
static size_t GetLengthFS(const_pointer p) {
static size_t GetLength(const_pointer p) {
return strlen(p);
}
@@ -93,15 +77,36 @@ struct PathTraits {
* If both components are empty strings, empty string is returned.
*/
gcc_pure gcc_nonnull_all
static string BuildFS(const_pointer a, size_t a_size,
const_pointer b, size_t b_size);
static string Build(const_pointer a, size_t a_size,
const_pointer b, size_t b_size);
};
/**
* This class describes the nature of a MPD internal filesystem path.
*/
struct PathTraitsUTF8 {
static constexpr char SEPARATOR = '/';
static constexpr bool IsSeparator(char ch) {
return ch == SEPARATOR;
}
gcc_pure
static bool IsAbsolute(const char *p) {
assert(p != nullptr);
#ifdef WIN32
if (IsAlphaASCII(p[0]) && p[1] == ':' && IsSeparator(p[2]))
return true;
#endif
return IsSeparator(*p);
}
/**
* Determine the "base" file name of the given UTF-8 path.
* The return value points inside the given string.
*/
gcc_pure gcc_nonnull_all
static const char *GetBaseUTF8(const char *p);
static const char *GetBase(const char *p);
/**
* Determine the "parent" file name of the given UTF-8 path.
@@ -109,7 +114,7 @@ struct PathTraits {
* separator in the given input string.
*/
gcc_pure gcc_nonnull_all
static std::string GetParentUTF8(const char *p);
static std::string GetParent(const char *p);
};
#endif