Revert "Revert "Drop all path-related methods from android::String8""
This reverts commit cff2e40d19113fa7ed57fedae072ad605cef1be7.
Reason for revert: Attempt re-submit
Change-Id: I8802b519e4ae3046858b854815ba580c7a6b965d
diff --git a/libutils/String8.cpp b/libutils/String8.cpp
index 2b72847..4301f0e 100644
--- a/libutils/String8.cpp
+++ b/libutils/String8.cpp
@@ -430,31 +430,6 @@
// ---------------------------------------------------------------------------
// Path functions
-static void setPathName(String8& s, const char* name) {
- size_t len = strlen(name);
- char* buf = s.lockBuffer(len);
-
- memcpy(buf, name, len);
-
- // remove trailing path separator, if present
- if (len > 0 && buf[len - 1] == OS_PATH_SEPARATOR) len--;
- buf[len] = '\0';
-
- s.unlockBuffer(len);
-}
-
-String8 String8::getPathLeaf(void) const
-{
- const char* cp;
- const char*const buf = mString;
-
- cp = strrchr(buf, OS_PATH_SEPARATOR);
- if (cp == nullptr)
- return String8(*this);
- else
- return String8(cp+1);
-}
-
String8 String8::getPathDir(void) const
{
const char* cp;
@@ -467,40 +442,14 @@
return String8(str, cp - str);
}
-String8 String8::walkPath(String8* outRemains) const
-{
- const char* cp;
- const char*const str = mString;
- const char* buf = str;
-
- cp = strchr(buf, OS_PATH_SEPARATOR);
- if (cp == buf) {
- // don't include a leading '/'.
- buf = buf+1;
- cp = strchr(buf, OS_PATH_SEPARATOR);
- }
-
- if (cp == nullptr) {
- String8 res = buf != str ? String8(buf) : *this;
- if (outRemains) *outRemains = String8("");
- return res;
- }
-
- String8 res(buf, cp-buf);
- if (outRemains) *outRemains = String8(cp+1);
- return res;
-}
-
/*
* Helper function for finding the start of an extension in a pathname.
*
* Returns a pointer inside mString, or NULL if no extension was found.
*/
-char* String8::find_extension(void) const
-{
+static const char* find_extension(const char* str) {
const char* lastSlash;
const char* lastDot;
- const char* const str = mString;
// only look at the filename
lastSlash = strrchr(str, OS_PATH_SEPARATOR);
@@ -515,67 +464,16 @@
return nullptr;
// looks good, ship it
- return const_cast<char*>(lastDot);
+ return lastDot;
}
String8 String8::getPathExtension(void) const
{
- char* ext;
-
- ext = find_extension();
+ auto ext = find_extension(mString);
if (ext != nullptr)
return String8(ext);
else
return String8("");
}
-String8 String8::getBasePath(void) const
-{
- char* ext;
- const char* const str = mString;
-
- ext = find_extension();
- if (ext == nullptr)
- return String8(*this);
- else
- return String8(str, ext - str);
-}
-
-String8& String8::appendPath(const char* name)
-{
- // TODO: The test below will fail for Win32 paths. Fix later or ignore.
- if (name[0] != OS_PATH_SEPARATOR) {
- if (*name == '\0') {
- // nothing to do
- return *this;
- }
-
- size_t len = length();
- if (len == 0) {
- // no existing filename, just use the new one
- setPathName(*this, name);
- return *this;
- }
-
- // make room for oldPath + '/' + newPath
- int newlen = strlen(name);
-
- char* buf = lockBuffer(len+1+newlen);
-
- // insert a '/' if needed
- if (buf[len-1] != OS_PATH_SEPARATOR)
- buf[len++] = OS_PATH_SEPARATOR;
-
- memcpy(buf+len, name, newlen+1);
- len += newlen;
-
- unlockBuffer(len);
-
- return *this;
- } else {
- setPathName(*this, name);
- return *this;
- }
-}
-
}; // namespace android